diff --git a/.ci/generate-buildkite-pipeline-premerge b/.ci/generate-buildkite-pipeline-premerge index 2e503c867403bcf6fc56f6eed024229b82a0cc1d..78a9cb77ff7d90f03179049c069aa9e05af3e66d 100755 --- a/.ci/generate-buildkite-pipeline-premerge +++ b/.ci/generate-buildkite-pipeline-premerge @@ -91,7 +91,7 @@ function add-dependencies() { echo "${project}" case ${project} in bolt) - for p in lld llvm; do + for p in clang lld llvm; do echo $p done ;; @@ -108,7 +108,7 @@ function add-dependencies() { compiler-rt|libc|openmp) echo clang lld ;; - flang|lldb) + flang|lldb|libclc) for p in llvm clang; do echo $p done diff --git a/.ci/monolithic-linux.sh b/.ci/monolithic-linux.sh index b347c443da677fd530afb91936a9605ec1218b2b..b00a4b984a1d23f4cdedb601a0e22a2ac518f162 100755 --- a/.ci/monolithic-linux.sh +++ b/.ci/monolithic-linux.sh @@ -48,7 +48,6 @@ cmake -S "${MONOREPO_ROOT}"/llvm -B "${BUILD_DIR}" \ -D LLVM_LIT_ARGS="-v --xunit-xml-output ${BUILD_DIR}/test-results.xml --timeout=1200 --time-tests" \ -D LLVM_ENABLE_LLD=ON \ -D CMAKE_CXX_FLAGS=-gmlt \ - -D BOLT_CLANG_EXE=/usr/bin/clang \ -D LLVM_CCACHE_BUILD=ON \ -D MLIR_ENABLE_BINDINGS_PYTHON=ON diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS index c4727a0c267d3ecb5a3a5495945ce417d5adc38a..0f178df1d18f8c46a2b06aa00667e81f3a1be32a 100644 --- a/.github/CODEOWNERS +++ b/.github/CODEOWNERS @@ -35,6 +35,10 @@ clang/lib/AST/Interp/ @tbaederr clang/test/AST/Interp/ @tbaederr +/clang/include/clang/CIR @lanza @bcardosolopes +/clang/lib/CIR @lanza @bcardosolopes +/clang/tools/cir-* @lanza @bcardosolopes + /lldb/ @JDevlieghere # MLIR Interfaces. @@ -113,11 +117,15 @@ clang/test/AST/Interp/ @tbaederr # MLIR NVVM Dialect in MLIR /mlir/**/LLVMIR/**/BasicPtxBuilderInterface* @grypp -/mlir/**/NVVM*/ @grypp +/mlir/**/NVVM* @grypp # MLIR Python Bindings -/mlir/test/python/ @makslevental @stellaraccident -/mlir/python/ @makslevental @stellaraccident +/mlir/test/python/ @ftynse @makslevental @stellaraccident +/mlir/python/ @ftynse @makslevental @stellaraccident + +# MLIR Mem2Reg/SROA +/mlir/**/Transforms/Mem2Reg.* @moxinilian +/mlir/**/Transforms/SROA.* @moxinilian # BOLT /bolt/ @aaupov @maksfb @rafaelauler @ayermolo @dcci diff --git a/.github/new-prs-labeler.yml b/.github/new-prs-labeler.yml index 9cf64417d3cb2cce3a61707ae1693e692c6e1a0e..d608ea449f1d40c841e2ae356f4a0fa8431d2d48 100644 --- a/.github/new-prs-labeler.yml +++ b/.github/new-prs-labeler.yml @@ -1,3 +1,6 @@ +BOLT: + - bolt/**/* + ClangIR: - clang/include/clang/CIR/**/* - clang/lib/CIR/**/* @@ -467,6 +470,7 @@ backend:m68k: libc++: - libcxx/** + - .github/workflows/libcxx-* libc++abi: - libcxxabi/** diff --git a/.github/workflows/libcxx-build-and-test.yaml b/.github/workflows/libcxx-build-and-test.yaml index 1e9367732e591118445fef2c69acf3339c2cbf5d..44a3d79c72c0ac9b80598d946d93f9af110f9df3 100644 --- a/.github/workflows/libcxx-build-and-test.yaml +++ b/.github/workflows/libcxx-build-and-test.yaml @@ -61,12 +61,10 @@ jobs: ] cc: [ 'clang-19' ] cxx: [ 'clang++-19' ] - clang_tidy: [ 'ON' ] include: - config: 'generic-gcc' cc: 'gcc-13' cxx: 'g++-13' - clang_tidy: 'OFF' steps: - uses: actions/checkout@v4 - name: ${{ matrix.config }}.${{ matrix.cxx }} @@ -74,7 +72,6 @@ jobs: env: CC: ${{ matrix.cc }} CXX: ${{ matrix.cxx }} - ENABLE_CLANG_TIDY: ${{ matrix.clang_tidy }} - uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0 if: always() with: @@ -102,20 +99,16 @@ jobs: ] cc: [ 'clang-19' ] cxx: [ 'clang++-19' ] - clang_tidy: [ 'ON' ] include: - config: 'generic-gcc-cxx11' cc: 'gcc-13' cxx: 'g++-13' - clang_tidy: 'OFF' - config: 'generic-cxx23' cc: 'clang-17' cxx: 'clang++-17' - clang_tidy: 'OFF' - config: 'generic-cxx26' cc: 'clang-18' cxx: 'clang++-18' - clang_tidy: 'ON' steps: - uses: actions/checkout@v4 - name: ${{ matrix.config }} @@ -123,7 +116,6 @@ jobs: env: CC: ${{ matrix.cc }} CXX: ${{ matrix.cxx }} - ENABLE_CLANG_TIDY: ${{ matrix.clang_tidy }} - uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0 if: always() # Upload artifacts even if the build or test suite fails with: @@ -188,7 +180,6 @@ jobs: env: CC: clang-19 CXX: clang++-19 - ENABLE_CLANG_TIDY: "OFF" - uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8 # v4.3.0 if: always() with: diff --git a/bolt/include/bolt/Passes/BinaryPasses.h b/bolt/include/bolt/Passes/BinaryPasses.h index 8d89ef8b5484f8e18d7ea034c3d38df57746760a..5d7692559eda882b125ee5314117eb5fe65932d0 100644 --- a/bolt/include/bolt/Passes/BinaryPasses.h +++ b/bolt/include/bolt/Passes/BinaryPasses.h @@ -400,8 +400,7 @@ public: /// dyno stats categories. class PrintProgramStats : public BinaryFunctionPass { public: - explicit PrintProgramStats(const cl::opt &PrintPass) - : BinaryFunctionPass(PrintPass) {} + explicit PrintProgramStats() : BinaryFunctionPass(false) {} const char *getName() const override { return "print-stats"; } bool shouldPrint(const BinaryFunction &) const override { return false; } diff --git a/bolt/include/bolt/Rewrite/RewriteInstance.h b/bolt/include/bolt/Rewrite/RewriteInstance.h index af832b4c7c84cf32b059f99adba4ed4df6fc5b19..41a92e7ba01e8495bc0a6b4329017d2f1e2c40fd 100644 --- a/bolt/include/bolt/Rewrite/RewriteInstance.h +++ b/bolt/include/bolt/Rewrite/RewriteInstance.h @@ -422,10 +422,18 @@ private: /// Section name used for extra BOLT code in addition to .text. static StringRef getBOLTTextSectionName() { return ".bolt.text"; } + /// Symbol markers for BOLT reserved area. + static StringRef getBOLTReservedStart() { return "__bolt_reserved_start"; } + static StringRef getBOLTReservedEnd() { return "__bolt_reserved_end"; } + /// Common section names. static StringRef getEHFrameSectionName() { return ".eh_frame"; } + static StringRef getEHFrameHdrSectionName() { return ".eh_frame_hdr"; } static StringRef getRelaDynSectionName() { return ".rela.dyn"; } + /// FILE symbol name used for local fragments of global functions. + static StringRef getBOLTFileSymbolName() { return "bolt-pseudo.o"; } + /// An instance of the input binary we are processing, externally owned. llvm::object::ELFObjectFileBase *InputFile; @@ -490,6 +498,9 @@ private: /// Store all non-zero symbols in this map for a quick address lookup. std::map FileSymRefs; + /// FILE symbols used for disambiguating split function parents. + std::vector FileSymbols; + std::unique_ptr DebugInfoRewriter; std::unique_ptr BAT; diff --git a/bolt/include/bolt/Utils/NameResolver.h b/bolt/include/bolt/Utils/NameResolver.h index 2e3ac20a532d76f848ea48d865194f8348dc65ba..ccffa5633245ce4504e9bf4d7b4fc95d62e3c996 100644 --- a/bolt/include/bolt/Utils/NameResolver.h +++ b/bolt/include/bolt/Utils/NameResolver.h @@ -28,10 +28,23 @@ class NameResolver { static constexpr char Sep = '/'; public: - /// Return unique version of the \p Name in the form "Name". + /// Return the number of uniquified versions of a given \p Name. + uint64_t getUniquifiedNameCount(StringRef Name) const { + if (Counters.contains(Name)) + return Counters.at(Name); + return 0; + } + + /// Return unique version of the \p Name in the form "Name". + std::string getUniqueName(StringRef Name, const uint64_t ID) const { + return (Name + Twine(Sep) + Twine(ID)).str(); + } + + /// Register new version of \p Name and return unique version in the form + /// "Name". std::string uniquify(StringRef Name) { const uint64_t ID = ++Counters[Name]; - return (Name + Twine(Sep) + Twine(ID)).str(); + return getUniqueName(Name, ID); } /// For uniquified \p Name, return the original form (that may no longer be diff --git a/bolt/lib/Profile/DataAggregator.cpp b/bolt/lib/Profile/DataAggregator.cpp index 0b2a4e86561f3aaa56a7385bf4fd8e5439f2d56a..70e324cc0165bb969c6a63d8f9334b80fb8fbd6c 100644 --- a/bolt/lib/Profile/DataAggregator.cpp +++ b/bolt/lib/Profile/DataAggregator.cpp @@ -14,6 +14,7 @@ #include "bolt/Profile/DataAggregator.h" #include "bolt/Core/BinaryContext.h" #include "bolt/Core/BinaryFunction.h" +#include "bolt/Passes/BinaryPasses.h" #include "bolt/Profile/BoltAddressTranslation.h" #include "bolt/Profile/Heatmap.h" #include "bolt/Profile/YAMLProfileWriter.h" @@ -611,6 +612,7 @@ Error DataAggregator::readProfile(BinaryContext &BC) { if (std::error_code EC = writeBATYAML(BC, opts::SaveProfile)) report_error("cannot create output data file", EC); } + BC.logBOLTErrorsAndQuitOnFatal(PrintProgramStats().runOnFunctions(BC)); } return Error::success(); diff --git a/bolt/lib/Rewrite/BinaryPassManager.cpp b/bolt/lib/Rewrite/BinaryPassManager.cpp index be4888ccfa56457fe2f59dcee91abdd05b947021..cbb7199a53ddd14f77730645efd8a8fd2a4109a4 100644 --- a/bolt/lib/Rewrite/BinaryPassManager.cpp +++ b/bolt/lib/Rewrite/BinaryPassManager.cpp @@ -356,7 +356,7 @@ Error BinaryFunctionPassManager::runAllPasses(BinaryContext &BC) { // order they're registered. // Run this pass first to use stats for the original functions. - Manager.registerPass(std::make_unique(NeverPrint)); + Manager.registerPass(std::make_unique()); if (opts::PrintProfileStats) Manager.registerPass(std::make_unique(NeverPrint)); diff --git a/bolt/lib/Rewrite/BoltDiff.cpp b/bolt/lib/Rewrite/BoltDiff.cpp index fa43b7a2f92c23d04270bb13930faea443e91add..74b5ca18abce429410d11306189b3c5bfa5f4c73 100644 --- a/bolt/lib/Rewrite/BoltDiff.cpp +++ b/bolt/lib/Rewrite/BoltDiff.cpp @@ -292,7 +292,7 @@ class RewriteInstanceDiff { } } } - PrintProgramStats PPS(opts::NeverPrint); + PrintProgramStats PPS; outs() << "* BOLT-DIFF: Starting print program stats pass for binary 1\n"; RI1.BC->logBOLTErrorsAndQuitOnFatal(PPS.runOnFunctions(*RI1.BC)); outs() << "* BOLT-DIFF: Starting print program stats pass for binary 2\n"; diff --git a/bolt/lib/Rewrite/LinuxKernelRewriter.cpp b/bolt/lib/Rewrite/LinuxKernelRewriter.cpp index d96199e020d31a159c9505d846a3985d9df2223c..17077b4fa2487adfaf2c05a514fb48c750751d38 100644 --- a/bolt/lib/Rewrite/LinuxKernelRewriter.cpp +++ b/bolt/lib/Rewrite/LinuxKernelRewriter.cpp @@ -248,6 +248,9 @@ class LinuxKernelRewriter final : public MetadataRewriter { /// Update ORC data in the binary. Error rewriteORCTables(); + /// Validate written ORC tables after binary emission. + Error validateORCTables(); + /// Static call table handling. Error readStaticCalls(); Error rewriteStaticCalls(); @@ -358,6 +361,9 @@ public: if (Error E = updateStaticKeysJumpTablePostEmit()) return E; + if (Error E = validateORCTables()) + return E; + return Error::success(); } }; @@ -837,6 +843,32 @@ Error LinuxKernelRewriter::rewriteORCTables() { return Error::success(); } +Error LinuxKernelRewriter::validateORCTables() { + if (!ORCUnwindIPSection) + return Error::success(); + + const uint64_t IPSectionAddress = ORCUnwindIPSection->getAddress(); + DataExtractor IPDE = DataExtractor(ORCUnwindIPSection->getOutputContents(), + BC.AsmInfo->isLittleEndian(), + BC.AsmInfo->getCodePointerSize()); + DataExtractor::Cursor IPCursor(0); + uint64_t PrevIP = 0; + for (uint32_t Index = 0; Index < NumORCEntries; ++Index) { + const uint64_t IP = + IPSectionAddress + IPCursor.tell() + (int32_t)IPDE.getU32(IPCursor); + if (!IPCursor) + return createStringError(errc::executable_format_error, + "out of bounds while reading ORC IP table: %s", + toString(IPCursor.takeError()).c_str()); + + assert(IP >= PrevIP && "Unsorted ORC table detected"); + (void)PrevIP; + PrevIP = IP; + } + + return Error::success(); +} + /// The static call site table is created by objtool and contains entries in the /// following format: /// diff --git a/bolt/lib/Rewrite/RewriteInstance.cpp b/bolt/lib/Rewrite/RewriteInstance.cpp index 4e0096cf988aed4031523e3a8343023f88ed7322..23f79e3c135a78f7b7f82e25d91c8987f31775b6 100644 --- a/bolt/lib/Rewrite/RewriteInstance.cpp +++ b/bolt/lib/Rewrite/RewriteInstance.cpp @@ -840,6 +840,7 @@ void RewriteInstance::discoverFileObjects() { continue; if (cantFail(Symbol.getType()) == SymbolRef::ST_File) { + FileSymbols.emplace_back(Symbol); StringRef Name = cantFail(std::move(NameOrError), "cannot get symbol name for file"); // Ignore Clang LTO artificial FILE symbol as it is not always generated, @@ -1062,6 +1063,11 @@ void RewriteInstance::discoverFileObjects() { continue; } + if (SymName == getBOLTReservedStart() || SymName == getBOLTReservedEnd()) { + registerName(SymbolSize); + continue; + } + LLVM_DEBUG(dbgs() << "BOLT-DEBUG: considering symbol " << UniqueName << " for function\n"); @@ -1340,6 +1346,7 @@ void RewriteInstance::discoverFileObjects() { } registerFragments(); + FileSymbols.clear(); } Error RewriteInstance::discoverRtFiniAddress() { @@ -1417,50 +1424,134 @@ void RewriteInstance::registerFragments() { if (!BC->HasSplitFunctions) return; + // Process fragments with ambiguous parents separately as they are typically a + // vanishing minority of cases and require expensive symbol table lookups. + std::vector> AmbiguousFragments; for (auto &BFI : BC->getBinaryFunctions()) { BinaryFunction &Function = BFI.second; if (!Function.isFragment()) continue; - unsigned ParentsFound = 0; for (StringRef Name : Function.getNames()) { - StringRef BaseName, Suffix; - std::tie(BaseName, Suffix) = Name.split('/'); + StringRef BaseName = NR.restore(Name); + const bool IsGlobal = BaseName == Name; const size_t ColdSuffixPos = BaseName.find(".cold"); if (ColdSuffixPos == StringRef::npos) continue; - // For cold function with local (foo.cold/1) symbol, prefer a parent with - // local symbol as well (foo/1) over global symbol (foo). - std::string ParentName = BaseName.substr(0, ColdSuffixPos).str(); + StringRef ParentName = BaseName.substr(0, ColdSuffixPos); const BinaryData *BD = BC->getBinaryDataByName(ParentName); - if (Suffix != "") { - ParentName.append(Twine("/", Suffix).str()); - const BinaryData *BDLocal = BC->getBinaryDataByName(ParentName); - if (BDLocal || !BD) - BD = BDLocal; - } - if (!BD) { - if (opts::Verbosity >= 1) - BC->outs() << "BOLT-INFO: parent function not found for " << Name - << "\n"; + const uint64_t NumPossibleLocalParents = + NR.getUniquifiedNameCount(ParentName); + // The most common case: single local parent fragment. + if (!BD && NumPossibleLocalParents == 1) { + BD = BC->getBinaryDataByName(NR.getUniqueName(ParentName, 1)); + } else if (BD && (!NumPossibleLocalParents || IsGlobal)) { + // Global parent and either no local candidates (second most common), or + // the fragment is global as well (uncommon). + } else { + // Any other case: need to disambiguate using FILE symbols. + AmbiguousFragments.emplace_back(ParentName, &Function); continue; } - const uint64_t Address = BD->getAddress(); - BinaryFunction *BF = BC->getBinaryFunctionAtAddress(Address); - if (!BF) { - if (opts::Verbosity >= 1) - BC->outs() << formatv( - "BOLT-INFO: parent function not found at {0:x}\n", Address); - continue; + if (BD) { + BinaryFunction *BF = BC->getFunctionForSymbol(BD->getSymbol()); + if (BF) { + BC->registerFragment(Function, *BF); + continue; + } } - BC->registerFragment(Function, *BF); - ++ParentsFound; - } - if (!ParentsFound) { BC->errs() << "BOLT-ERROR: parent function not found for " << Function << '\n'; exit(1); } } + + if (AmbiguousFragments.empty()) + return; + + if (!BC->hasSymbolsWithFileName()) { + BC->errs() << "BOLT-ERROR: input file has split functions but does not " + "have FILE symbols. If the binary was stripped, preserve " + "FILE symbols with --keep-file-symbols strip option"; + exit(1); + } + + // The first global symbol is identified by the symbol table sh_info value. + // Used as local symbol search stopping point. + auto *ELF64LEFile = cast(InputFile); + const ELFFile &Obj = ELF64LEFile->getELFFile(); + auto *SymTab = llvm::find_if(cantFail(Obj.sections()), [](const auto &Sec) { + return Sec.sh_type == ELF::SHT_SYMTAB; + }); + assert(SymTab); + // Symtab sh_info contains the value one greater than the symbol table index + // of the last local symbol. + ELFSymbolRef LocalSymEnd = ELF64LEFile->toSymbolRef(SymTab, SymTab->sh_info); + + for (auto &[ParentName, BF] : AmbiguousFragments) { + const uint64_t Address = BF->getAddress(); + + // Get fragment's own symbol + const auto SymIt = FileSymRefs.find(Address); + if (SymIt == FileSymRefs.end()) { + BC->errs() + << "BOLT-ERROR: symbol lookup failed for function at address 0x" + << Twine::utohexstr(Address) << '\n'; + exit(1); + } + + // Find containing FILE symbol + ELFSymbolRef Symbol = SymIt->second; + auto FSI = llvm::upper_bound(FileSymbols, Symbol); + if (FSI == FileSymbols.begin()) { + BC->errs() << "BOLT-ERROR: owning FILE symbol not found for symbol " + << cantFail(Symbol.getName()) << '\n'; + exit(1); + } + + ELFSymbolRef StopSymbol = LocalSymEnd; + if (FSI != FileSymbols.end()) + StopSymbol = *FSI; + + uint64_t ParentAddress{0}; + + // BOLT split fragment symbols are emitted just before the main function + // symbol. + for (ELFSymbolRef NextSymbol = Symbol; NextSymbol < StopSymbol; + NextSymbol.moveNext()) { + StringRef Name = cantFail(NextSymbol.getName()); + if (Name == ParentName) { + ParentAddress = cantFail(NextSymbol.getValue()); + goto registerParent; + } + if (Name.starts_with(ParentName)) + // With multi-way splitting, there are multiple fragments with different + // suffixes. Parent follows the last fragment. + continue; + break; + } + + // Iterate over local file symbols and check symbol names to match parent. + for (ELFSymbolRef Symbol(FSI[-1]); Symbol < StopSymbol; Symbol.moveNext()) { + if (cantFail(Symbol.getName()) == ParentName) { + ParentAddress = cantFail(Symbol.getAddress()); + break; + } + } + +registerParent: + // No local parent is found, use global parent function. + if (!ParentAddress) + if (BinaryData *ParentBD = BC->getBinaryDataByName(ParentName)) + ParentAddress = ParentBD->getAddress(); + + if (BinaryFunction *ParentBF = + BC->getBinaryFunctionAtAddress(ParentAddress)) { + BC->registerFragment(*BF, *ParentBF); + continue; + } + BC->errs() << "BOLT-ERROR: parent function not found for " << *BF << '\n'; + exit(1); + } } void RewriteInstance::createPLTBinaryFunction(uint64_t TargetAddress, @@ -1725,12 +1816,6 @@ void RewriteInstance::adjustFunctionBoundaries() { if (!Function.isSymbolValidInScope(Symbol, SymbolSize)) break; - // Ignore unnamed symbols. Used, for example, by debugging info on RISC-V. - if (BC->isRISCV() && cantFail(Symbol.getName()).empty()) { - ++NextSymRefI; - continue; - } - // Skip basic block labels. This happens on RISC-V with linker relaxation // enabled because every branch needs a relocation and corresponding // symbol. We don't want to add such symbols as entry points. @@ -3532,6 +3617,26 @@ void RewriteInstance::updateMetadata() { void RewriteInstance::mapFileSections(BOLTLinker::SectionMapper MapSection) { BC->deregisterUnusedSections(); + // Check if the input has a space reserved for BOLT. + BinaryData *StartBD = BC->getBinaryDataByName(getBOLTReservedStart()); + BinaryData *EndBD = BC->getBinaryDataByName(getBOLTReservedEnd()); + if (!StartBD != !EndBD) { + BC->errs() << "BOLT-ERROR: one of the symbols is missing from the binary: " + << getBOLTReservedStart() << ", " << getBOLTReservedEnd() + << '\n'; + exit(1); + } + + if (StartBD) { + PHDRTableOffset = 0; + PHDRTableAddress = 0; + NewTextSegmentAddress = 0; + NewTextSegmentOffset = 0; + NextAvailableAddress = StartBD->getAddress(); + BC->outs() + << "BOLT-INFO: using reserved space for allocating new sections\n"; + } + // If no new .eh_frame was written, remove relocated original .eh_frame. BinarySection *RelocatedEHFrameSection = getSection(".relocated" + getEHFrameSectionName()); @@ -3551,6 +3656,18 @@ void RewriteInstance::mapFileSections(BOLTLinker::SectionMapper MapSection) { // Map the rest of the sections. mapAllocatableSections(MapSection); + + if (StartBD) { + const uint64_t ReservedSpace = EndBD->getAddress() - StartBD->getAddress(); + const uint64_t AllocatedSize = NextAvailableAddress - StartBD->getAddress(); + if (ReservedSpace < AllocatedSize) { + BC->errs() << "BOLT-ERROR: reserved space (" << ReservedSpace << " byte" + << (ReservedSpace == 1 ? "" : "s") + << ") is smaller than required for new allocations (" + << AllocatedSize << " bytes)\n"; + exit(1); + } + } } std::vector RewriteInstance::getCodeSections() { @@ -3792,7 +3909,7 @@ void RewriteInstance::mapCodeSections(BOLTLinker::SectionMapper MapSection) { // Add the new text section aggregating all existing code sections. // This is pseudo-section that serves a purpose of creating a corresponding // entry in section header table. - int64_t NewTextSectionSize = + const uint64_t NewTextSectionSize = NextAvailableAddress - NewTextSectionStartAddress; if (NewTextSectionSize) { const unsigned Flags = BinarySection::getFlags(/*IsReadOnly=*/true, @@ -3875,7 +3992,7 @@ void RewriteInstance::mapAllocatableSections( if (PHDRTableAddress) { // Segment size includes the size of the PHDR area. NewTextSegmentSize = NextAvailableAddress - PHDRTableAddress; - } else { + } else if (NewTextSegmentAddress) { // Existing PHDR table would be updated. NewTextSegmentSize = NextAvailableAddress - NewTextSegmentAddress; } @@ -3914,7 +4031,7 @@ void RewriteInstance::patchELFPHDRTable() { assert(!PHDRTableAddress && "unexpected address for program header table"); PHDRTableOffset = Obj.getHeader().e_phoff; if (NewWritableSegmentSize) { - BC->errs() << "Unable to add writable segment with UseGnuStack option\n"; + BC->errs() << "BOLT-ERROR: unable to add writable segment\n"; exit(1); } } @@ -3924,19 +4041,15 @@ void RewriteInstance::patchELFPHDRTable() { if (!NewWritableSegmentSize) { if (PHDRTableAddress) NewTextSegmentSize = NextAvailableAddress - PHDRTableAddress; - else + else if (NewTextSegmentAddress) NewTextSegmentSize = NextAvailableAddress - NewTextSegmentAddress; } else { NewWritableSegmentSize = NextAvailableAddress - NewWritableSegmentAddress; } + const uint64_t SavedPos = OS.tell(); OS.seek(PHDRTableOffset); - bool ModdedGnuStack = false; - (void)ModdedGnuStack; - bool AddedSegment = false; - (void)AddedSegment; - auto createNewTextPhdr = [&]() { ELF64LEPhdrTy NewPhdr; NewPhdr.p_type = ELF::PT_LOAD; @@ -3952,40 +4065,55 @@ void RewriteInstance::patchELFPHDRTable() { NewPhdr.p_filesz = NewTextSegmentSize; NewPhdr.p_memsz = NewTextSegmentSize; NewPhdr.p_flags = ELF::PF_X | ELF::PF_R; - // FIXME: Currently instrumentation is experimental and the runtime data - // is emitted with code, thus everything needs to be writable - if (opts::Instrument) + if (opts::Instrument) { + // FIXME: Currently instrumentation is experimental and the runtime data + // is emitted with code, thus everything needs to be writable. NewPhdr.p_flags |= ELF::PF_W; + } NewPhdr.p_align = BC->PageAlign; return NewPhdr; }; - auto createNewWritableSectionsPhdr = [&]() { - ELF64LEPhdrTy NewPhdr; - NewPhdr.p_type = ELF::PT_LOAD; - NewPhdr.p_offset = getFileOffsetForAddress(NewWritableSegmentAddress); - NewPhdr.p_vaddr = NewWritableSegmentAddress; - NewPhdr.p_paddr = NewWritableSegmentAddress; - NewPhdr.p_filesz = NewWritableSegmentSize; - NewPhdr.p_memsz = NewWritableSegmentSize; - NewPhdr.p_align = BC->RegularPageSize; - NewPhdr.p_flags = ELF::PF_R | ELF::PF_W; - return NewPhdr; + auto writeNewSegmentPhdrs = [&]() { + if (PHDRTableAddress || NewTextSegmentSize) { + ELF64LE::Phdr NewPhdr = createNewTextPhdr(); + OS.write(reinterpret_cast(&NewPhdr), sizeof(NewPhdr)); + } + + if (NewWritableSegmentSize) { + ELF64LEPhdrTy NewPhdr; + NewPhdr.p_type = ELF::PT_LOAD; + NewPhdr.p_offset = getFileOffsetForAddress(NewWritableSegmentAddress); + NewPhdr.p_vaddr = NewWritableSegmentAddress; + NewPhdr.p_paddr = NewWritableSegmentAddress; + NewPhdr.p_filesz = NewWritableSegmentSize; + NewPhdr.p_memsz = NewWritableSegmentSize; + NewPhdr.p_align = BC->RegularPageSize; + NewPhdr.p_flags = ELF::PF_R | ELF::PF_W; + OS.write(reinterpret_cast(&NewPhdr), sizeof(NewPhdr)); + } }; + bool ModdedGnuStack = false; + bool AddedSegment = false; + // Copy existing program headers with modifications. for (const ELF64LE::Phdr &Phdr : cantFail(Obj.program_headers())) { ELF64LE::Phdr NewPhdr = Phdr; - if (PHDRTableAddress && Phdr.p_type == ELF::PT_PHDR) { - NewPhdr.p_offset = PHDRTableOffset; - NewPhdr.p_vaddr = PHDRTableAddress; - NewPhdr.p_paddr = PHDRTableAddress; - NewPhdr.p_filesz = sizeof(NewPhdr) * Phnum; - NewPhdr.p_memsz = sizeof(NewPhdr) * Phnum; - } else if (Phdr.p_type == ELF::PT_GNU_EH_FRAME) { - ErrorOr EHFrameHdrSec = - BC->getUniqueSectionByName(getNewSecPrefix() + ".eh_frame_hdr"); + switch (Phdr.p_type) { + case ELF::PT_PHDR: + if (PHDRTableAddress) { + NewPhdr.p_offset = PHDRTableOffset; + NewPhdr.p_vaddr = PHDRTableAddress; + NewPhdr.p_paddr = PHDRTableAddress; + NewPhdr.p_filesz = sizeof(NewPhdr) * Phnum; + NewPhdr.p_memsz = sizeof(NewPhdr) * Phnum; + } + break; + case ELF::PT_GNU_EH_FRAME: { + ErrorOr EHFrameHdrSec = BC->getUniqueSectionByName( + getNewSecPrefix() + getEHFrameHdrSectionName()); if (EHFrameHdrSec && EHFrameHdrSec->isAllocatable() && EHFrameHdrSec->isFinalized()) { NewPhdr.p_offset = EHFrameHdrSec->getOutputFileOffset(); @@ -3994,37 +4122,38 @@ void RewriteInstance::patchELFPHDRTable() { NewPhdr.p_filesz = EHFrameHdrSec->getOutputSize(); NewPhdr.p_memsz = EHFrameHdrSec->getOutputSize(); } - } else if (opts::UseGnuStack && Phdr.p_type == ELF::PT_GNU_STACK) { - NewPhdr = createNewTextPhdr(); - ModdedGnuStack = true; - } else if (!opts::UseGnuStack && Phdr.p_type == ELF::PT_DYNAMIC) { - // Insert the new header before DYNAMIC. - ELF64LE::Phdr NewTextPhdr = createNewTextPhdr(); - OS.write(reinterpret_cast(&NewTextPhdr), - sizeof(NewTextPhdr)); - if (NewWritableSegmentSize) { - ELF64LEPhdrTy NewWritablePhdr = createNewWritableSectionsPhdr(); - OS.write(reinterpret_cast(&NewWritablePhdr), - sizeof(NewWritablePhdr)); + break; + } + case ELF::PT_GNU_STACK: + if (opts::UseGnuStack) { + // Overwrite the header with the new text segment header. + NewPhdr = createNewTextPhdr(); + ModdedGnuStack = true; } - AddedSegment = true; + break; + case ELF::PT_DYNAMIC: + if (!opts::UseGnuStack) { + // Insert new headers before DYNAMIC. + writeNewSegmentPhdrs(); + AddedSegment = true; + } + break; } OS.write(reinterpret_cast(&NewPhdr), sizeof(NewPhdr)); } if (!opts::UseGnuStack && !AddedSegment) { - // Append the new header to the end of the table. - ELF64LE::Phdr NewTextPhdr = createNewTextPhdr(); - OS.write(reinterpret_cast(&NewTextPhdr), sizeof(NewTextPhdr)); - if (NewWritableSegmentSize) { - ELF64LEPhdrTy NewWritablePhdr = createNewWritableSectionsPhdr(); - OS.write(reinterpret_cast(&NewWritablePhdr), - sizeof(NewWritablePhdr)); - } + // Append new headers to the end of the table. + writeNewSegmentPhdrs(); + } + + if (opts::UseGnuStack && !ModdedGnuStack) { + BC->errs() + << "BOLT-ERROR: could not find PT_GNU_STACK program header to modify\n"; + exit(1); } - assert((!opts::UseGnuStack || ModdedGnuStack) && - "could not find GNU_STACK program header to modify"); + OS.seek(SavedPos); } namespace { @@ -4050,9 +4179,8 @@ void RewriteInstance::rewriteNoteSections() { const ELFFile &Obj = ELF64LEFile->getELFFile(); raw_fd_ostream &OS = Out->os(); - uint64_t NextAvailableOffset = getFileOffsetForAddress(NextAvailableAddress); - assert(NextAvailableOffset >= FirstNonAllocatableOffset && - "next available offset calculation failure"); + uint64_t NextAvailableOffset = std::max( + getFileOffsetForAddress(NextAvailableAddress), FirstNonAllocatableOffset); OS.seek(NextAvailableOffset); // Copy over non-allocatable section contents and update file offsets. @@ -4493,6 +4621,8 @@ void RewriteInstance::updateELFSymbolTable( // Symbols for the new symbol table. std::vector Symbols; + bool EmittedColdFileSymbol = false; + auto getNewSectionIndex = [&](uint32_t OldIndex) { // For dynamic symbol table, the section index could be wrong on the input, // and its value is ignored by the runtime if it's different from @@ -4551,6 +4681,20 @@ void RewriteInstance::updateELFSymbolTable( Symbols.emplace_back(ICFSymbol); } if (Function.isSplit()) { + // Prepend synthetic FILE symbol to prevent local cold fragments from + // colliding with existing symbols with the same name. + if (!EmittedColdFileSymbol && + FunctionSymbol.getBinding() == ELF::STB_GLOBAL) { + ELFSymTy FileSymbol; + FileSymbol.st_shndx = ELF::SHN_ABS; + FileSymbol.st_name = AddToStrTab(getBOLTFileSymbolName()); + FileSymbol.st_value = 0; + FileSymbol.st_size = 0; + FileSymbol.st_other = 0; + FileSymbol.setBindingAndType(ELF::STB_LOCAL, ELF::STT_FILE); + Symbols.emplace_back(FileSymbol); + EmittedColdFileSymbol = true; + } for (const FunctionFragment &FF : Function.getLayout().getSplitFragments()) { if (FF.getAddress()) { @@ -4775,7 +4919,7 @@ void RewriteInstance::updateELFSymbolTable( ++NumHotDataSymsUpdated; } - if (*SymbolName == "_end") + if (*SymbolName == "_end" && NextAvailableAddress > Symbol.st_value) updateSymbolValue(*SymbolName, NextAvailableAddress); if (IsDynSym) @@ -4889,13 +5033,6 @@ void RewriteInstance::patchELFSymTabs(ELFObjectFile *File) { std::vector NewSectionIndex; getOutputSections(File, NewSectionIndex); - // Set pointer at the end of the output file, so we can pwrite old symbol - // tables if we need to. - uint64_t NextAvailableOffset = getFileOffsetForAddress(NextAvailableAddress); - assert(NextAvailableOffset >= FirstNonAllocatableOffset && - "next available offset calculation failure"); - Out->os().seek(NextAvailableOffset); - // Update dynamic symbol table. const ELFShdrTy *DynSymSection = nullptr; for (const ELFShdrTy &Section : cantFail(Obj.sections())) { @@ -5432,6 +5569,17 @@ uint64_t RewriteInstance::getNewFunctionOrDataAddress(uint64_t OldAddress) { if (BD && BD->isMoved()) return BD->getOutputAddress(); + if (const BinaryFunction *BF = + BC->getBinaryFunctionContainingAddress(OldAddress)) { + if (BF->isEmitted()) { + BC->errs() << "BOLT-ERROR: unable to get new address corresponding to " + "input address 0x" + << Twine::utohexstr(OldAddress) << " in function " << *BF + << ". Consider adding this function to --skip-funcs=...\n"; + exit(1); + } + } + return 0; } @@ -5449,10 +5597,10 @@ void RewriteInstance::rewriteFile() { auto Streamer = BC->createStreamer(OS); // Make sure output stream has enough reserved space, otherwise // pwrite() will fail. - uint64_t Offset = OS.seek(getFileOffsetForAddress(NextAvailableAddress)); - (void)Offset; - assert(Offset == getFileOffsetForAddress(NextAvailableAddress) && - "error resizing output file"); + uint64_t Offset = std::max(getFileOffsetForAddress(NextAvailableAddress), + FirstNonAllocatableOffset); + Offset = OS.seek(Offset); + assert((Offset != (uint64_t)-1) && "Error resizing output file"); // Overwrite functions with fixed output address. This is mostly used by // non-relocation mode, with one exception: injected functions are covered @@ -5671,7 +5819,8 @@ void RewriteInstance::writeEHFrameHeader() { BC->AsmInfo->getCodePointerSize())); check_error(std::move(Er), "failed to parse EH frame"); - LLVM_DEBUG(dbgs() << "BOLT: writing a new .eh_frame_hdr\n"); + LLVM_DEBUG(dbgs() << "BOLT: writing a new " << getEHFrameHdrSectionName() + << '\n'); NextAvailableAddress = appendPadding(Out->os(), NextAvailableAddress, EHFrameHdrAlign); @@ -5683,25 +5832,35 @@ void RewriteInstance::writeEHFrameHeader() { std::vector NewEHFrameHdr = CFIRdWrt->generateEHFrameHeader( RelocatedEHFrame, NewEHFrame, EHFrameHdrOutputAddress, FailedAddresses); - assert(Out->os().tell() == EHFrameHdrFileOffset && "offset mismatch"); + Out->os().seek(EHFrameHdrFileOffset); Out->os().write(NewEHFrameHdr.data(), NewEHFrameHdr.size()); const unsigned Flags = BinarySection::getFlags(/*IsReadOnly=*/true, /*IsText=*/false, /*IsAllocatable=*/true); - BinarySection *OldEHFrameHdrSection = getSection(".eh_frame_hdr"); + BinarySection *OldEHFrameHdrSection = getSection(getEHFrameHdrSectionName()); if (OldEHFrameHdrSection) - OldEHFrameHdrSection->setOutputName(getOrgSecPrefix() + ".eh_frame_hdr"); + OldEHFrameHdrSection->setOutputName(getOrgSecPrefix() + + getEHFrameHdrSectionName()); BinarySection &EHFrameHdrSec = BC->registerOrUpdateSection( - getNewSecPrefix() + ".eh_frame_hdr", ELF::SHT_PROGBITS, Flags, nullptr, - NewEHFrameHdr.size(), /*Alignment=*/1); + getNewSecPrefix() + getEHFrameHdrSectionName(), ELF::SHT_PROGBITS, Flags, + nullptr, NewEHFrameHdr.size(), /*Alignment=*/1); EHFrameHdrSec.setOutputFileOffset(EHFrameHdrFileOffset); EHFrameHdrSec.setOutputAddress(EHFrameHdrOutputAddress); - EHFrameHdrSec.setOutputName(".eh_frame_hdr"); + EHFrameHdrSec.setOutputName(getEHFrameHdrSectionName()); NextAvailableAddress += EHFrameHdrSec.getOutputSize(); + if (const BinaryData *ReservedEnd = + BC->getBinaryDataByName(getBOLTReservedEnd())) { + if (NextAvailableAddress > ReservedEnd->getAddress()) { + BC->errs() << "BOLT-ERROR: unable to fit " << getEHFrameHdrSectionName() + << " into reserved space\n"; + exit(1); + } + } + // Merge new .eh_frame with the relocated original so that gdb can locate all // FDEs. if (RelocatedEHFrameSection) { diff --git a/bolt/test/AArch64/constant_island_pie_update.s b/bolt/test/AArch64/constant_island_pie_update.s index 0ab67d07a854ec49da550bfd0aa882c875a672b1..313e103b19c05a85e0ad0d8bb898d0d935d5b8b5 100644 --- a/bolt/test/AArch64/constant_island_pie_update.s +++ b/bolt/test/AArch64/constant_island_pie_update.s @@ -18,7 +18,7 @@ # RUN: llvm-objdump -j .text -d --show-all-symbols %t.relr.bolt | FileCheck %s # RUN: llvm-objdump -j .text -d %t.relr.bolt | \ # RUN: FileCheck %s --check-prefix=ADDENDCHECK -# RUN: llvm-readelf -rsW %t.relr.bolt | FileCheck --check-prefix=ELFCHECK %s +# RUN: llvm-readelf -rsW %t.relr.bolt | FileCheck --check-prefix=RELRELFCHECK %s # RUN: llvm-readelf -SW %t.relr.bolt | FileCheck --check-prefix=RELRSZCHECK %s // Check that the CI value was updated @@ -51,6 +51,12 @@ # ELFCHECK-NEXT: {{.*}} R_AARCH64_RELATIVE # ELFCHECK: {{.*}}[[#OFF]] {{.*}} $d +# RELRELFCHECK: $d{{$}} +# RELRELFCHECK-NEXT: $d + 0x8{{$}} +# RELRELFCHECK-NEXT: $d + 0x18{{$}} +# RELRELFCHECK-NEXT: mytextP +# RELRELFCHECK-EMPTY: + // Check that .relr.dyn size is 2 bytes to ensure that last 3 relocations were // encoded as a bitmap so the total section size for 3 relocations is 2 bytes. # RELRSZCHECK: .relr.dyn RELR [[#%x,ADDR:]] [[#%x,OFF:]] {{0*}}10 diff --git a/bolt/test/RISCV/unnamed-sym-no-entry.c b/bolt/test/RISCV/fake-label-no-entry.c similarity index 85% rename from bolt/test/RISCV/unnamed-sym-no-entry.c rename to bolt/test/RISCV/fake-label-no-entry.c index 605bbc00aeec4638deaaef54f2505c361055e76f..bd125263101bb461149967745d23f52e32128781 100644 --- a/bolt/test/RISCV/unnamed-sym-no-entry.c +++ b/bolt/test/RISCV/fake-label-no-entry.c @@ -5,12 +5,12 @@ // RUN: %clang %cflags -g -Wl,-q -o %t %s -/// Verify that the binary indeed contains an unnamed symbol at _start +/// Verify that the binary indeed contains a fake label ".L0 " at _start. // RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=CHECK-ELF // CHECK-ELF-DAG: [[#%x,START:]] {{.*}} FUNC GLOBAL DEFAULT [[#%d,SECTION:]] _start{{$}} -// CHECK-ELF-DAG: [[#%x,START]] {{.*}} NOTYPE LOCAL DEFAULT [[#SECTION]] {{$}} +// CHECK-ELF-DAG: [[#%x,START]] {{.*}} NOTYPE LOCAL DEFAULT [[#SECTION]] .L0 {{$}} -/// Verify that BOLT did not create an extra entry point for the unnamed symbol +/// Verify that BOLT did not create an extra entry point for the fake label. // RUN: llvm-bolt -o %t.bolt %t --print-cfg | FileCheck %s // CHECK: Binary Function "_start" after building cfg { // CHECK: IsMultiEntry: 0 diff --git a/bolt/test/X86/cdsplit-symbol-names.s b/bolt/test/X86/cdsplit-symbol-names.s index e2259276e2554c406223f9d209a52863fa184ab0..e53863e22246d63d54ce4f56283d69c8ac37c856 100644 --- a/bolt/test/X86/cdsplit-symbol-names.s +++ b/bolt/test/X86/cdsplit-symbol-names.s @@ -10,6 +10,7 @@ # RUN: --call-scale=2 --data=%t.fdata --reorder-blocks=ext-tsp # RUN: llvm-objdump --syms %t.bolt | FileCheck %s --check-prefix=CHECK-SYMS-WARM +# CHECK-SYMS-WARM: 0000000000000000 l df *ABS* 0000000000000000 bolt-pseudo.o # CHECK-SYMS-WARM: .text.warm # CHECK-SYMS-WARM-SAME: chain.warm # CHECK-SYMS-WARM: .text.cold diff --git a/bolt/test/X86/fragment-lite.s b/bolt/test/X86/fragment-lite.s index 97069bf8096e1ce56c88c28dd619e4ab1ff94bed..32d1f5a98b64a3732295d8f6898ce60b19e3c149 100644 --- a/bolt/test/X86/fragment-lite.s +++ b/bolt/test/X86/fragment-lite.s @@ -3,35 +3,42 @@ # RUN: split-file %s %t # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %t/main.s -o %t.o # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %t/baz.s -o %t.baz.o +# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %t/baz2.s -o %t.baz2.o # RUN: link_fdata %s %t.o %t.main.fdata # RUN: link_fdata %s %t.baz.o %t.baz.fdata -# RUN: merge-fdata %t.main.fdata %t.baz.fdata > %t.fdata -# RUN: %clang %cflags %t.o %t.baz.o -o %t.exe -Wl,-q +# RUN: link_fdata %s %t.baz2.o %t.baz2.fdata +# RUN: merge-fdata %t.main.fdata %t.baz.fdata %t.baz2.fdata > %t.fdata +# RUN: %clang %cflags %t.o %t.baz.o %t.baz2.o -o %t.exe -Wl,-q # RUN: llvm-bolt %t.exe -o %t.out --lite=1 --data %t.fdata -v=1 -print-cfg \ # RUN: 2>&1 | FileCheck %s # CHECK: BOLT-INFO: processing main.cold.1 as a sibling of non-ignored function -# CHECK: BOLT-INFO: processing foo.cold.1/1 as a sibling of non-ignored function -# CHECK: BOLT-INFO: processing bar.cold.1/1 as a sibling of non-ignored function +# CHECK: BOLT-INFO: processing foo.cold.1/1(*2) as a sibling of non-ignored function +# CHECK: BOLT-INFO: processing bar.cold.1/1(*2) as a sibling of non-ignored function # CHECK: BOLT-INFO: processing baz.cold.1 as a sibling of non-ignored function -# CHECK: BOLT-INFO: processing baz.cold.1/1 as a sibling of non-ignored function +# CHECK: BOLT-INFO: processing baz.cold.1/1(*2) as a sibling of non-ignored function +# CHECK: BOLT-INFO: processing baz.cold.1/2(*2) as a sibling of non-ignored function # CHECK: Binary Function "main.cold.1" after building cfg # CHECK: Parent : main -# CHECK: Binary Function "foo.cold.1/1" after building cfg +# CHECK: Binary Function "foo.cold.1/1(*2)" after building cfg # CHECK: Parent : foo -# CHECK: Binary Function "bar.cold.1/1" after building cfg -# CHECK: Parent : bar/1 +# CHECK: Binary Function "bar.cold.1/1(*2)" after building cfg +# CHECK: Parent : bar/1(*2) # CHECK: Binary Function "baz.cold.1" after building cfg # CHECK: Parent : baz{{$}} -# CHECK: Binary Function "baz.cold.1/1" after building cfg -# CHECK: Parent : baz/1 +# CHECK: Binary Function "baz.cold.1/1(*2)" after building cfg +# CHECK: Parent : baz/1(*2) + +# CHECK: Binary Function "baz.cold.1/2(*2)" after building cfg +# CHECK: Parent : baz/2(*2) #--- main.s +.file "main.s" .globl main .type main, %function main: @@ -126,6 +133,7 @@ baz.cold.1: .size baz.cold.1, .-baz.cold.1 #--- baz.s +.file "baz.s" .local baz .type baz, %function baz: @@ -149,3 +157,29 @@ baz.cold.1: retq .cfi_endproc .size baz.cold.1, .-baz.cold.1 + +#--- baz2.s +.file "baz2.s" + .local baz + .type baz, %function +baz: + .cfi_startproc +# FDATA: 0 [unknown] 0 1 baz/2 0 1 0 + cmpl $0x0, %eax + je baz.cold.1 + retq + .cfi_endproc +.size baz, .-baz + + .section .text.cold + .local baz.cold.1 + .type baz.cold.1, %function +baz.cold.1: + .cfi_startproc + pushq %rbp + movq %rsp, %rbp + movl $0x0, %eax + popq %rbp + retq + .cfi_endproc +.size baz.cold.1, .-baz.cold.1 diff --git a/bolt/test/X86/indirect-goto-pie.test b/bolt/test/X86/indirect-goto-pie.test new file mode 100644 index 0000000000000000000000000000000000000000..039ff5c41d3d6842d2e9de2d94908f7dda88fd7f --- /dev/null +++ b/bolt/test/X86/indirect-goto-pie.test @@ -0,0 +1,16 @@ +# Check that llvm-bolt fails to process PIC binaries with computed goto, as the +# support is not there yet for correctly updating dynamic relocations +# referencing code inside functions. + +REQUIRES: x86_64-linux + +RUN: %clang %S/Inputs/indirect_goto.c -o %t -fpic -pie -Wl,-q +RUN: not llvm-bolt %t -o %t.bolt --relocs=1 --print-cfg --print-only=main \ +RUN: |& FileCheck %s + +# Check that processing works if main() is skipped. +RUN: llvm-bolt %t -o %t.bolt --relocs=1 --skip-funcs=main + +CHECK: jmpq *%rax # UNKNOWN CONTROL FLOW + +CHECK: BOLT-ERROR: unable to get new address diff --git a/bolt/test/X86/pre-aggregated-perf.test b/bolt/test/X86/pre-aggregated-perf.test index e8c3f64239a27ddb831f801ccf76b09d44fda6b1..0bd44720f1b7a102f8590d575d3156277c488624 100644 --- a/bolt/test/X86/pre-aggregated-perf.test +++ b/bolt/test/X86/pre-aggregated-perf.test @@ -11,7 +11,14 @@ REQUIRES: system-linux RUN: yaml2obj %p/Inputs/blarge.yaml &> %t.exe RUN: perf2bolt %t.exe -o %t --pa -p %p/Inputs/pre-aggregated.txt -w %t.new \ -RUN: --profile-use-dfs +RUN: --profile-use-dfs | FileCheck %s + +RUN: llvm-bolt %t.exe -data %t -o %t.null | FileCheck %s +RUN: llvm-bolt %t.exe -data %t.new -o %t.null | FileCheck %s +RUN: llvm-bolt %t.exe -p %p/Inputs/pre-aggregated.txt --pa -o %t.null | FileCheck %s + +CHECK: BOLT-INFO: 4 out of 7 functions in the binary (57.1%) have non-empty execution profile + RUN: cat %t | sort | FileCheck %s -check-prefix=PERF2BOLT RUN: cat %t.new | FileCheck %s -check-prefix=NEWFORMAT diff --git a/bolt/test/X86/register-fragments-bolt-symbols.s b/bolt/test/X86/register-fragments-bolt-symbols.s new file mode 100644 index 0000000000000000000000000000000000000000..fa9b70e0b2d8919a371b609263e03c1d902547bb --- /dev/null +++ b/bolt/test/X86/register-fragments-bolt-symbols.s @@ -0,0 +1,32 @@ +# Test the heuristics for matching BOLT-added split functions. + +# RUN: llvm-mc --filetype=obj --triple x86_64-unknown-unknown %S/cdsplit-symbol-names.s -o %t.main.o +# RUN: llvm-mc --filetype=obj --triple x86_64-unknown-unknown %s -o %t.chain.o +# RUN: link_fdata %S/cdsplit-symbol-names.s %t.main.o %t.fdata +# RUN: sed -i 's|chain|chain/2|g' %t.fdata +# RUN: llvm-strip --strip-unneeded %t.main.o +# RUN: llvm-objcopy --localize-symbol=chain %t.main.o +# RUN: %clang %cflags %t.chain.o %t.main.o -o %t.exe -Wl,-q +# RUN: llvm-bolt %t.exe -o %t.bolt --split-functions --split-strategy=randomN \ +# RUN: --reorder-blocks=ext-tsp --enable-bat --bolt-seed=7 --data=%t.fdata +# RUN: llvm-objdump --syms %t.bolt | FileCheck %s --check-prefix=CHECK-SYMS + +# RUN: link_fdata %s %t.bolt %t.preagg PREAGG +# PREAGG: B X:0 #chain.cold.0# 1 0 +# RUN: perf2bolt %t.bolt -p %t.preagg --pa -o %t.bat.fdata -w %t.bat.yaml -v=1 \ +# RUN: | FileCheck %s --check-prefix=CHECK-REGISTER + +# CHECK-SYMS: l df *ABS* [[#]] chain.s +# CHECK-SYMS: l F .bolt.org.text [[#]] chain +# CHECK-SYMS: l F .text.cold [[#]] chain.cold.0 +# CHECK-SYMS: l F .text [[#]] chain +# CHECK-SYMS: l df *ABS* [[#]] bolt-pseudo.o + +# CHECK-REGISTER: BOLT-INFO: marking chain.cold.0/1(*2) as a fragment of chain/2(*2) + +.file "chain.s" + .text + .type chain, @function +chain: + ret + .size chain, .-chain diff --git a/bolt/test/X86/shrinkwrapping-do-not-pessimize.s b/bolt/test/X86/shrinkwrapping-do-not-pessimize.s index a57131131423efc2e0bfdb1b807985631566f6a5..3fdd5f5e38fe0da9b964a36fbfb0edb35b6a15e5 100644 --- a/bolt/test/X86/shrinkwrapping-do-not-pessimize.s +++ b/bolt/test/X86/shrinkwrapping-do-not-pessimize.s @@ -53,6 +53,6 @@ end_if_1: .size _start, .-_start .data -rel: .quad end_if_1 +rel: .quad _start # CHECK: BOLT-INFO: Shrink wrapping moved 0 spills inserting load/stores and 0 spills inserting push/pops diff --git a/bolt/test/runtime/X86/Inputs/indirect_goto.c b/bolt/test/runtime/X86/Inputs/indirect_goto.c deleted file mode 100644 index b781e9e03b6d44b40567a3111d64394399ad4421..0000000000000000000000000000000000000000 --- a/bolt/test/runtime/X86/Inputs/indirect_goto.c +++ /dev/null @@ -1,18 +0,0 @@ -int main(int argc, char *argv[]) { - static const void *T1[] = { &&L1, &&L2 }; - static const void *T2[] = { &&L2, &&L3 }; - - const void **T = (argc > 1) ? T1 : T2; - - int i = 0; - -L0: - goto *T[argc]; -L1: - ++i; -L2: - i++; -L3: - i++; - return i; -} diff --git a/bolt/test/runtime/X86/indirect-goto-pie.test b/bolt/test/runtime/X86/indirect-goto-pie.test deleted file mode 100644 index 76089fda3abfb27f0daeba13db224fafc23266ab..0000000000000000000000000000000000000000 --- a/bolt/test/runtime/X86/indirect-goto-pie.test +++ /dev/null @@ -1,10 +0,0 @@ -# Check llvm-bolt processes binaries compiled from sources that use indirect goto. -REQUIRES: x86_64-linux - -RUN: %clang %S/Inputs/indirect_goto.c -o %t -fpic -pie -Wl,-q -RUN: llvm-bolt %t -o %t.bolt --relocs=1 --print-cfg --print-only=main \ -RUN: |& FileCheck %s -# The test fails as we don't update corresponding dynamic relocations. -RUN: not %t.bolt - -CHECK: jmpq *%rax # UNKNOWN CONTROL FLOW diff --git a/clang-tools-extra/clang-doc/Representation.cpp b/clang-tools-extra/clang-doc/Representation.cpp index 84233c36e15d989f8aca8a1023377e5566c6464b..2afff2929cf79c2bda5d40c26951f49d47c788f3 100644 --- a/clang-tools-extra/clang-doc/Representation.cpp +++ b/clang-tools-extra/clang-doc/Representation.cpp @@ -380,8 +380,8 @@ ClangDocContext::ClangDocContext(tooling::ExecutionContext *ECtx, this->SourceRoot = std::string(SourceRootDir); if (!RepositoryUrl.empty()) { this->RepositoryUrl = std::string(RepositoryUrl); - if (!RepositoryUrl.empty() && RepositoryUrl.find("http://") != 0 && - RepositoryUrl.find("https://") != 0) + if (!RepositoryUrl.empty() && !RepositoryUrl.starts_with("http://") && + !RepositoryUrl.starts_with("https://")) this->RepositoryUrl->insert(0, "https://"); } } diff --git a/clang-tools-extra/clang-tidy/ClangTidyCheck.cpp b/clang-tools-extra/clang-tidy/ClangTidyCheck.cpp index 3e926236adb4517245475d2f7b5f420268373e1a..710b361e16c0a717b562fa32aee9f332032430cb 100644 --- a/clang-tools-extra/clang-tidy/ClangTidyCheck.cpp +++ b/clang-tools-extra/clang-tidy/ClangTidyCheck.cpp @@ -139,6 +139,12 @@ void ClangTidyCheck::OptionsView::storeInt(ClangTidyOptions::OptionMap &Options, store(Options, LocalName, llvm::itostr(Value)); } +void ClangTidyCheck::OptionsView::storeUnsigned( + ClangTidyOptions::OptionMap &Options, StringRef LocalName, + uint64_t Value) const { + store(Options, LocalName, llvm::utostr(Value)); +} + template <> void ClangTidyCheck::OptionsView::store( ClangTidyOptions::OptionMap &Options, StringRef LocalName, diff --git a/clang-tools-extra/clang-tidy/ClangTidyCheck.h b/clang-tools-extra/clang-tidy/ClangTidyCheck.h index 656a2f008f6e0e52a168e9f29bbc5d36fcf11d33..7427aa9bf48f89367bf81a2fb2af65e4a449876c 100644 --- a/clang-tools-extra/clang-tidy/ClangTidyCheck.h +++ b/clang-tools-extra/clang-tidy/ClangTidyCheck.h @@ -411,7 +411,10 @@ public: std::enable_if_t> store(ClangTidyOptions::OptionMap &Options, StringRef LocalName, T Value) const { - storeInt(Options, LocalName, Value); + if constexpr (std::is_signed_v) + storeInt(Options, LocalName, Value); + else + storeUnsigned(Options, LocalName, Value); } /// Stores an option with the check-local name \p LocalName with @@ -422,7 +425,7 @@ public: store(ClangTidyOptions::OptionMap &Options, StringRef LocalName, std::optional Value) const { if (Value) - storeInt(Options, LocalName, *Value); + store(Options, LocalName, *Value); else store(Options, LocalName, "none"); } @@ -470,6 +473,8 @@ public: void storeInt(ClangTidyOptions::OptionMap &Options, StringRef LocalName, int64_t Value) const; + void storeUnsigned(ClangTidyOptions::OptionMap &Options, + StringRef LocalName, uint64_t Value) const; std::string NamePrefix; const ClangTidyOptions::OptionMap &CheckOptions; diff --git a/clang-tools-extra/clang-tidy/GlobList.cpp b/clang-tools-extra/clang-tidy/GlobList.cpp index dfe3f7c505b1747126de68ea3075999c3b1ff4f6..8f09ee075bbd6e854301fbefa01e65693604bd55 100644 --- a/clang-tools-extra/clang-tidy/GlobList.cpp +++ b/clang-tools-extra/clang-tidy/GlobList.cpp @@ -19,12 +19,17 @@ static bool consumeNegativeIndicator(StringRef &GlobList) { return GlobList.consume_front("-"); } -// Converts first glob from the comma-separated list of globs to Regex and -// removes it and the trailing comma from the GlobList. -static llvm::Regex consumeGlob(StringRef &GlobList) { +// Extracts the first glob from the comma-separated list of globs, +// removes it and the trailing comma from the GlobList and +// returns the extracted glob. +static llvm::StringRef extractNextGlob(StringRef &GlobList) { StringRef UntrimmedGlob = GlobList.substr(0, GlobList.find_first_of(",\n")); StringRef Glob = UntrimmedGlob.trim(); GlobList = GlobList.substr(UntrimmedGlob.size() + 1); + return Glob; +} + +static llvm::Regex createRegexFromGlob(StringRef &Glob) { SmallString<128> RegexText("^"); StringRef MetaChars("()^$|*+?.[]\\{}"); for (char C : Glob) { @@ -43,7 +48,8 @@ GlobList::GlobList(StringRef Globs, bool KeepNegativeGlobs /* =true */) { do { GlobListItem Item; Item.IsPositive = !consumeNegativeIndicator(Globs); - Item.Regex = consumeGlob(Globs); + Item.Text = extractNextGlob(Globs); + Item.Regex = createRegexFromGlob(Item.Text); if (Item.IsPositive || KeepNegativeGlobs) Items.push_back(std::move(Item)); } while (!Globs.empty()); diff --git a/clang-tools-extra/clang-tidy/GlobList.h b/clang-tools-extra/clang-tidy/GlobList.h index 44af182e43b0024c16153d20c757f84795c67b13..4317928270adff9496579f934be576b990a03565 100644 --- a/clang-tools-extra/clang-tidy/GlobList.h +++ b/clang-tools-extra/clang-tidy/GlobList.h @@ -44,8 +44,12 @@ private: struct GlobListItem { bool IsPositive; llvm::Regex Regex; + llvm::StringRef Text; }; SmallVector Items; + +public: + const SmallVectorImpl &getItems() const { return Items; }; }; /// A \p GlobList that caches search results, so that search is performed only diff --git a/clang-tools-extra/clang-tidy/add_new_check.py b/clang-tools-extra/clang-tidy/add_new_check.py index a6af76809af02a2c7e6e46187208138148e8f00f..3b14d5d158d2d0a5e800075b6e96289e6e07ce5a 100755 --- a/clang-tools-extra/clang-tidy/add_new_check.py +++ b/clang-tools-extra/clang-tidy/add_new_check.py @@ -211,7 +211,7 @@ def adapt_module(module_path, module, check_name, check_name_camel): f.write(check_decl) else: match = re.search( - 'registerCheck<(.*)> *\( *(?:"([^"]*)")?', line + r'registerCheck<(.*)> *\( *(?:"([^"]*)")?', line ) prev_line = None if match: @@ -383,7 +383,7 @@ def update_checks_list(clang_tidy_path): if stmt_start_pos == -1: return "" stmt = code[stmt_start_pos + 1 : stmt_end_pos] - matches = re.search('registerCheck<([^>:]*)>\(\s*"([^"]*)"\s*\)', stmt) + matches = re.search(r'registerCheck<([^>:]*)>\(\s*"([^"]*)"\s*\)', stmt) if matches and matches[2] == full_check_name: class_name = matches[1] if "::" in class_name: @@ -401,8 +401,8 @@ def update_checks_list(clang_tidy_path): # Examine code looking for a c'tor definition to get the base class name. def get_base_class(code, check_file): check_class_name = os.path.splitext(os.path.basename(check_file))[0] - ctor_pattern = check_class_name + "\([^:]*\)\s*:\s*([A-Z][A-Za-z0-9]*Check)\(" - matches = re.search("\s+" + check_class_name + "::" + ctor_pattern, code) + ctor_pattern = check_class_name + r"\([^:]*\)\s*:\s*([A-Z][A-Za-z0-9]*Check)\(" + matches = re.search(r"\s+" + check_class_name + "::" + ctor_pattern, code) # The constructor might be inline in the header. if not matches: @@ -476,7 +476,7 @@ def update_checks_list(clang_tidy_path): # Orphan page, don't list it. return "", "" - match = re.search(".*:http-equiv=refresh: \d+;URL=(.*).html(.*)", content) + match = re.search(r".*:http-equiv=refresh: \d+;URL=(.*).html(.*)", content) # Is it a redirect? return check_name, match @@ -505,7 +505,7 @@ def update_checks_list(clang_tidy_path): ref_begin = "" ref_end = "_" else: - redirect_parts = re.search("^\.\./([^/]*)/([^/]*)$", match.group(1)) + redirect_parts = re.search(r"^\.\./([^/]*)/([^/]*)$", match.group(1)) title = redirect_parts[1] + "-" + redirect_parts[2] target = redirect_parts[1] + "/" + redirect_parts[2] autofix = has_auto_fix(title) diff --git a/clang-tools-extra/clang-tidy/bugprone/BugproneTidyModule.cpp b/clang-tools-extra/clang-tidy/bugprone/BugproneTidyModule.cpp index 2931325d8b57981fc097fb19a3f6cfbc0746ad54..1b92d2e60cc1731171a402e736e5c7992ab9e145 100644 --- a/clang-tools-extra/clang-tidy/bugprone/BugproneTidyModule.cpp +++ b/clang-tools-extra/clang-tidy/bugprone/BugproneTidyModule.cpp @@ -54,6 +54,7 @@ #include "PosixReturnCheck.h" #include "RedundantBranchConditionCheck.h" #include "ReservedIdentifierCheck.h" +#include "ReturnConstRefFromParameterCheck.h" #include "SharedPtrArrayMismatchCheck.h" #include "SignalHandlerCheck.h" #include "SignedCharMisuseCheck.h" @@ -137,6 +138,8 @@ public: "bugprone-inaccurate-erase"); CheckFactories.registerCheck( "bugprone-incorrect-enable-if"); + CheckFactories.registerCheck( + "bugprone-return-const-ref-from-parameter"); CheckFactories.registerCheck( "bugprone-switch-missing-default-case"); CheckFactories.registerCheck( diff --git a/clang-tools-extra/clang-tidy/bugprone/CMakeLists.txt b/clang-tools-extra/clang-tidy/bugprone/CMakeLists.txt index 081ba67efe1538e3378e53a1f7718299a650d4e7..2d303191f88650bd1b611d95376f0f6f84916570 100644 --- a/clang-tools-extra/clang-tidy/bugprone/CMakeLists.txt +++ b/clang-tools-extra/clang-tidy/bugprone/CMakeLists.txt @@ -26,6 +26,7 @@ add_clang_library(clangTidyBugproneModule ImplicitWideningOfMultiplicationResultCheck.cpp InaccurateEraseCheck.cpp IncorrectEnableIfCheck.cpp + ReturnConstRefFromParameterCheck.cpp SuspiciousStringviewDataUsageCheck.cpp SwitchMissingDefaultCaseCheck.cpp IncDecInConditionsCheck.cpp diff --git a/clang-tools-extra/clang-tidy/bugprone/EasilySwappableParametersCheck.cpp b/clang-tools-extra/clang-tidy/bugprone/EasilySwappableParametersCheck.cpp index 84e99c7fafc74b2930bea63155fa3a1506152713..10868129e76da955c45a4555b55088c806420b65 100644 --- a/clang-tools-extra/clang-tidy/bugprone/EasilySwappableParametersCheck.cpp +++ b/clang-tools-extra/clang-tidy/bugprone/EasilySwappableParametersCheck.cpp @@ -967,7 +967,8 @@ approximateStandardConversionSequence(const TheCheck &Check, QualType From, // Get out the qualifiers of the original type. This will always be // re-applied to the WorkType to ensure it is the same qualification as the // original From was. - auto QualifiersToApply = From.split().Quals.getAsOpaqueValue(); + auto FastQualifiersToApply = static_cast( + From.split().Quals.getAsOpaqueValue() & Qualifiers::FastMask); // LValue->RValue is irrelevant for the check, because it is a thing to be // done at a call site, and will be performed if need be performed. @@ -993,7 +994,7 @@ approximateStandardConversionSequence(const TheCheck &Check, QualType From, // "const double -> double". LLVM_DEBUG(llvm::dbgs() << "--- approximateStdConv. Conversion between numerics.\n"); - WorkType = QualType{ToBuiltin, QualifiersToApply}; + WorkType = QualType{ToBuiltin, FastQualifiersToApply}; } const auto *FromEnum = WorkType->getAs(); @@ -1002,7 +1003,7 @@ approximateStandardConversionSequence(const TheCheck &Check, QualType From, // Unscoped enumerations (or enumerations in C) convert to numerics. LLVM_DEBUG(llvm::dbgs() << "--- approximateStdConv. Unscoped enum to numeric.\n"); - WorkType = QualType{ToBuiltin, QualifiersToApply}; + WorkType = QualType{ToBuiltin, FastQualifiersToApply}; } else if (FromNumeric && ToEnum && ToEnum->isUnscopedEnumerationType()) { // Numeric types convert to enumerations only in C. if (Ctx.getLangOpts().CPlusPlus) { @@ -1013,7 +1014,7 @@ approximateStandardConversionSequence(const TheCheck &Check, QualType From, LLVM_DEBUG(llvm::dbgs() << "--- approximateStdConv. Numeric to unscoped enum.\n"); - WorkType = QualType{ToEnum, QualifiersToApply}; + WorkType = QualType{ToEnum, FastQualifiersToApply}; } // Check for pointer conversions. @@ -1022,14 +1023,14 @@ approximateStandardConversionSequence(const TheCheck &Check, QualType From, if (FromPtr && ToPtr) { if (ToPtr->isVoidPointerType()) { LLVM_DEBUG(llvm::dbgs() << "--- approximateStdConv. To void pointer.\n"); - WorkType = QualType{ToPtr, QualifiersToApply}; + WorkType = QualType{ToPtr, FastQualifiersToApply}; } const auto *FromRecordPtr = FromPtr->getPointeeCXXRecordDecl(); const auto *ToRecordPtr = ToPtr->getPointeeCXXRecordDecl(); if (isDerivedToBase(FromRecordPtr, ToRecordPtr)) { LLVM_DEBUG(llvm::dbgs() << "--- approximateStdConv. Derived* to Base*\n"); - WorkType = QualType{ToPtr, QualifiersToApply}; + WorkType = QualType{ToPtr, FastQualifiersToApply}; } } @@ -1039,7 +1040,7 @@ approximateStandardConversionSequence(const TheCheck &Check, QualType From, const auto *ToRecord = To->getAsCXXRecordDecl(); if (isDerivedToBase(FromRecord, ToRecord)) { LLVM_DEBUG(llvm::dbgs() << "--- approximateStdConv. Derived To Base.\n"); - WorkType = QualType{ToRecord->getTypeForDecl(), QualifiersToApply}; + WorkType = QualType{ToRecord->getTypeForDecl(), FastQualifiersToApply}; } if (Ctx.getLangOpts().CPlusPlus17 && FromPtr && ToPtr) { @@ -1054,7 +1055,7 @@ approximateStandardConversionSequence(const TheCheck &Check, QualType From, !ToFunctionPtr->hasNoexceptExceptionSpec()) { LLVM_DEBUG(llvm::dbgs() << "--- approximateStdConv. noexcept function " "pointer to non-noexcept.\n"); - WorkType = QualType{ToPtr, QualifiersToApply}; + WorkType = QualType{ToPtr, FastQualifiersToApply}; } } diff --git a/clang-tools-extra/clang-tidy/bugprone/ForwardingReferenceOverloadCheck.cpp b/clang-tools-extra/clang-tidy/bugprone/ForwardingReferenceOverloadCheck.cpp index c608fe713f9f5b8d9f34dcff8b26e2655da595a2..e7be8134781e48de409fcd36a0e7d9dfe10a06d1 100644 --- a/clang-tools-extra/clang-tidy/bugprone/ForwardingReferenceOverloadCheck.cpp +++ b/clang-tools-extra/clang-tidy/bugprone/ForwardingReferenceOverloadCheck.cpp @@ -72,7 +72,7 @@ void ForwardingReferenceOverloadCheck::registerMatchers(MatchFinder *Finder) { DeclarationMatcher FindOverload = cxxConstructorDecl( - hasParameter(0, ForwardingRefParm), + hasParameter(0, ForwardingRefParm), unless(isDeleted()), unless(hasAnyParameter( // No warning: enable_if as constructor parameter. parmVarDecl(hasType(isEnableIf())))), diff --git a/clang-tools-extra/clang-tidy/bugprone/LambdaFunctionNameCheck.cpp b/clang-tools-extra/clang-tidy/bugprone/LambdaFunctionNameCheck.cpp index 5260a8b4ecb0bad3358ddb2bbc519a5be82ad26d..32f5edddfe80b158d96df4fa569ee59dfe0ad210 100644 --- a/clang-tools-extra/clang-tidy/bugprone/LambdaFunctionNameCheck.cpp +++ b/clang-tools-extra/clang-tidy/bugprone/LambdaFunctionNameCheck.cpp @@ -8,7 +8,9 @@ #include "LambdaFunctionNameCheck.h" #include "clang/AST/ASTContext.h" +#include "clang/AST/DeclCXX.h" #include "clang/ASTMatchers/ASTMatchFinder.h" +#include "clang/ASTMatchers/ASTMatchers.h" #include "clang/Frontend/CompilerInstance.h" #include "clang/Lex/MacroInfo.h" #include "clang/Lex/Preprocessor.h" @@ -56,6 +58,8 @@ private: LambdaFunctionNameCheck::SourceRangeSet* SuppressMacroExpansions; }; +AST_MATCHER(CXXMethodDecl, isInLambda) { return Node.getParent()->isLambda(); } + } // namespace LambdaFunctionNameCheck::LambdaFunctionNameCheck(StringRef Name, @@ -69,9 +73,13 @@ void LambdaFunctionNameCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) { } void LambdaFunctionNameCheck::registerMatchers(MatchFinder *Finder) { - // Match on PredefinedExprs inside a lambda. - Finder->addMatcher(predefinedExpr(hasAncestor(lambdaExpr())).bind("E"), - this); + Finder->addMatcher( + cxxMethodDecl(isInLambda(), + hasBody(forEachDescendant( + predefinedExpr(hasAncestor(cxxMethodDecl().bind("fn"))) + .bind("E"))), + equalsBoundNode("fn")), + this); } void LambdaFunctionNameCheck::registerPPCallbacks( diff --git a/clang-tools-extra/clang-tidy/bugprone/ReturnConstRefFromParameterCheck.cpp b/clang-tools-extra/clang-tidy/bugprone/ReturnConstRefFromParameterCheck.cpp new file mode 100644 index 0000000000000000000000000000000000000000..8ae37d4f774d23041cb9b9816ae6e0d0e2c792d7 --- /dev/null +++ b/clang-tools-extra/clang-tidy/bugprone/ReturnConstRefFromParameterCheck.cpp @@ -0,0 +1,34 @@ +//===--- ReturnConstRefFromParameterCheck.cpp - clang-tidy ----------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "ReturnConstRefFromParameterCheck.h" +#include "../utils/Matchers.h" +#include "clang/ASTMatchers/ASTMatchFinder.h" +#include "clang/ASTMatchers/ASTMatchers.h" + +using namespace clang::ast_matchers; + +namespace clang::tidy::bugprone { + +void ReturnConstRefFromParameterCheck::registerMatchers(MatchFinder *Finder) { + Finder->addMatcher( + returnStmt(hasReturnValue(declRefExpr(to(parmVarDecl(hasType( + hasCanonicalType(matchers::isReferenceToConst()))))))) + .bind("ret"), + this); +} + +void ReturnConstRefFromParameterCheck::check( + const MatchFinder::MatchResult &Result) { + const auto *R = Result.Nodes.getNodeAs("ret"); + diag(R->getRetValue()->getBeginLoc(), + "returning a constant reference parameter may cause a use-after-free " + "when the parameter is constructed from a temporary"); +} + +} // namespace clang::tidy::bugprone diff --git a/clang-tools-extra/clang-tidy/bugprone/ReturnConstRefFromParameterCheck.h b/clang-tools-extra/clang-tidy/bugprone/ReturnConstRefFromParameterCheck.h new file mode 100644 index 0000000000000000000000000000000000000000..8768d07087383f387f922b122259e4d2af67d028 --- /dev/null +++ b/clang-tools-extra/clang-tidy/bugprone/ReturnConstRefFromParameterCheck.h @@ -0,0 +1,40 @@ +//===--- ReturnConstRefFromParameterCheck.h - clang-tidy --------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_RETURNCONSTREFFROMPARAMETERCHECK_H +#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_RETURNCONSTREFFROMPARAMETERCHECK_H + +#include "../ClangTidyCheck.h" + +namespace clang::tidy::bugprone { + +/// Detects return statements that return a constant reference parameter as +/// constant reference. This may cause use-after-free errors if the caller uses +/// xvalues as arguments. +/// +/// For the user-facing documentation see: +/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/return-const-ref-from-parameter.html +class ReturnConstRefFromParameterCheck : public ClangTidyCheck { +public: + ReturnConstRefFromParameterCheck(StringRef Name, ClangTidyContext *Context) + : ClangTidyCheck(Name, Context) {} + void registerMatchers(ast_matchers::MatchFinder *Finder) override; + void check(const ast_matchers::MatchFinder::MatchResult &Result) override; + std::optional getCheckTraversalKind() const override { + // Use 'AsIs' to make sure the return type is exactly the same as the + // parameter type. + return TK_AsIs; + } + bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { + return LangOpts.CPlusPlus; + } +}; + +} // namespace clang::tidy::bugprone + +#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_RETURNCONSTREFFROMPARAMETERCHECK_H diff --git a/clang-tools-extra/clang-tidy/cppcoreguidelines/ProTypeMemberInitCheck.cpp b/clang-tools-extra/clang-tidy/cppcoreguidelines/ProTypeMemberInitCheck.cpp index 855c4a2efc373edeac6c01f48fb2e527e6231a87..9c3c7cc70c187b2e0bb43f1e18280492b79e91ab 100644 --- a/clang-tools-extra/clang-tidy/cppcoreguidelines/ProTypeMemberInitCheck.cpp +++ b/clang-tools-extra/clang-tidy/cppcoreguidelines/ProTypeMemberInitCheck.cpp @@ -444,7 +444,7 @@ void ProTypeMemberInitCheck::checkMissingMemberInitializer( if (!F->hasInClassInitializer() && utils::type_traits::isTriviallyDefaultConstructible(F->getType(), Context) && - !isEmpty(Context, F->getType()) && !F->isUnnamedBitfield() && + !isEmpty(Context, F->getType()) && !F->isUnnamedBitField() && !AnyMemberHasInitPerUnion) FieldsToInit.insert(F); }); diff --git a/clang-tools-extra/clang-tidy/modernize/CMakeLists.txt b/clang-tools-extra/clang-tidy/modernize/CMakeLists.txt index 6852db6c2ee31103b684e93114cc29b9d9c5f633..8005d6e91c060c6e9b0e08d8f11cffb094c5fa4e 100644 --- a/clang-tools-extra/clang-tidy/modernize/CMakeLists.txt +++ b/clang-tools-extra/clang-tidy/modernize/CMakeLists.txt @@ -16,6 +16,7 @@ add_clang_library(clangTidyModernizeModule MakeSharedCheck.cpp MakeSmartPtrCheck.cpp MakeUniqueCheck.cpp + MinMaxUseInitializerListCheck.cpp ModernizeTidyModule.cpp PassByValueCheck.cpp RawStringLiteralCheck.cpp diff --git a/clang-tools-extra/clang-tidy/modernize/MinMaxUseInitializerListCheck.cpp b/clang-tools-extra/clang-tidy/modernize/MinMaxUseInitializerListCheck.cpp new file mode 100644 index 0000000000000000000000000000000000000000..45f7700463d5708673a78d5caf31cea9a3d0dd17 --- /dev/null +++ b/clang-tools-extra/clang-tidy/modernize/MinMaxUseInitializerListCheck.cpp @@ -0,0 +1,271 @@ +//===--- MinMaxUseInitializerListCheck.cpp - clang-tidy -------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "MinMaxUseInitializerListCheck.h" +#include "../utils/ASTUtils.h" +#include "../utils/LexerUtils.h" +#include "clang/ASTMatchers/ASTMatchFinder.h" +#include "clang/Frontend/CompilerInstance.h" +#include "clang/Lex/Lexer.h" + +using namespace clang; + +namespace { + +struct FindArgsResult { + const Expr *First; + const Expr *Last; + const Expr *Compare; + SmallVector Args; +}; + +} // anonymous namespace + +using namespace clang::ast_matchers; + +namespace clang::tidy::modernize { + +static FindArgsResult findArgs(const CallExpr *Call) { + FindArgsResult Result; + Result.First = nullptr; + Result.Last = nullptr; + Result.Compare = nullptr; + + // check if the function has initializer list argument + if (Call->getNumArgs() < 3) { + auto ArgIterator = Call->arguments().begin(); + + const auto *InitListExpr = + dyn_cast(*ArgIterator); + const auto *InitList = + InitListExpr != nullptr + ? dyn_cast( + InitListExpr->getSubExpr()->IgnoreImplicit()) + : nullptr; + + if (InitList) { + Result.Args.append(InitList->inits().begin(), InitList->inits().end()); + Result.First = *ArgIterator; + Result.Last = *ArgIterator; + + // check if there is a comparison argument + std::advance(ArgIterator, 1); + if (ArgIterator != Call->arguments().end()) + Result.Compare = *ArgIterator; + + return Result; + } + Result.Args = SmallVector(Call->arguments()); + } else { + // if it has 3 arguments then the last will be the comparison + Result.Compare = *(std::next(Call->arguments().begin(), 2)); + Result.Args = SmallVector(llvm::drop_end(Call->arguments())); + } + Result.First = Result.Args.front(); + Result.Last = Result.Args.back(); + + return Result; +} + +static SmallVector +generateReplacements(const MatchFinder::MatchResult &Match, + const CallExpr *TopCall, const FindArgsResult &Result, + const bool IgnoreNonTrivialTypes, + const std::uint64_t IgnoreTrivialTypesOfSizeAbove) { + SmallVector FixItHints; + const SourceManager &SourceMngr = *Match.SourceManager; + const LangOptions &LanguageOpts = Match.Context->getLangOpts(); + + const QualType ResultType = TopCall->getDirectCallee() + ->getReturnType() + .getCanonicalType() + .getNonReferenceType() + .getUnqualifiedType(); + + // check if the type is trivial + const bool IsResultTypeTrivial = ResultType.isTrivialType(*Match.Context); + + if ((!IsResultTypeTrivial && IgnoreNonTrivialTypes)) + return FixItHints; + + if (IsResultTypeTrivial && + static_cast( + Match.Context->getTypeSizeInChars(ResultType).getQuantity()) > + IgnoreTrivialTypesOfSizeAbove) + return FixItHints; + + for (const Expr *Arg : Result.Args) { + const auto *InnerCall = dyn_cast(Arg->IgnoreParenImpCasts()); + + // If the argument is not a nested call + if (!InnerCall) { + // check if typecast is required + const QualType ArgType = Arg->IgnoreParenImpCasts() + ->getType() + .getCanonicalType() + .getUnqualifiedType(); + + if (ArgType == ResultType) + continue; + + const StringRef ArgText = Lexer::getSourceText( + CharSourceRange::getTokenRange(Arg->getSourceRange()), SourceMngr, + LanguageOpts); + + const auto Replacement = Twine("static_cast<") + .concat(ResultType.getAsString(LanguageOpts)) + .concat(">(") + .concat(ArgText) + .concat(")") + .str(); + + FixItHints.push_back( + FixItHint::CreateReplacement(Arg->getSourceRange(), Replacement)); + continue; + } + + const FindArgsResult InnerResult = findArgs(InnerCall); + + // if the nested call doesn't have arguments skip it + if (!InnerResult.First || !InnerResult.Last) + continue; + + // if the nested call is not the same as the top call + if (InnerCall->getDirectCallee()->getQualifiedNameAsString() != + TopCall->getDirectCallee()->getQualifiedNameAsString()) + continue; + + // if the nested call doesn't have the same compare function + if ((Result.Compare || InnerResult.Compare) && + !utils::areStatementsIdentical(Result.Compare, InnerResult.Compare, + *Match.Context)) + continue; + + // remove the function call + FixItHints.push_back( + FixItHint::CreateRemoval(InnerCall->getCallee()->getSourceRange())); + + // remove the parentheses + const auto LParen = utils::lexer::findNextTokenSkippingComments( + InnerCall->getCallee()->getEndLoc(), SourceMngr, LanguageOpts); + if (LParen.has_value() && LParen->is(tok::l_paren)) + FixItHints.push_back( + FixItHint::CreateRemoval(SourceRange(LParen->getLocation()))); + FixItHints.push_back( + FixItHint::CreateRemoval(SourceRange(InnerCall->getRParenLoc()))); + + // if the inner call has an initializer list arg + if (InnerResult.First == InnerResult.Last) { + // remove the initializer list braces + FixItHints.push_back(FixItHint::CreateRemoval( + CharSourceRange::getTokenRange(InnerResult.First->getBeginLoc()))); + FixItHints.push_back(FixItHint::CreateRemoval( + CharSourceRange::getTokenRange(InnerResult.First->getEndLoc()))); + } + + const SmallVector InnerReplacements = generateReplacements( + Match, InnerCall, InnerResult, IgnoreNonTrivialTypes, + IgnoreTrivialTypesOfSizeAbove); + + FixItHints.append(InnerReplacements); + + if (InnerResult.Compare) { + // find the comma after the value arguments + const auto Comma = utils::lexer::findNextTokenSkippingComments( + InnerResult.Last->getEndLoc(), SourceMngr, LanguageOpts); + + // remove the comma and the comparison + if (Comma.has_value() && Comma->is(tok::comma)) + FixItHints.push_back( + FixItHint::CreateRemoval(SourceRange(Comma->getLocation()))); + + FixItHints.push_back( + FixItHint::CreateRemoval(InnerResult.Compare->getSourceRange())); + } + } + + return FixItHints; +} + +MinMaxUseInitializerListCheck::MinMaxUseInitializerListCheck( + StringRef Name, ClangTidyContext *Context) + : ClangTidyCheck(Name, Context), + IgnoreNonTrivialTypes(Options.get("IgnoreNonTrivialTypes", true)), + IgnoreTrivialTypesOfSizeAbove( + Options.get("IgnoreTrivialTypesOfSizeAbove", 32L)), + Inserter(Options.getLocalOrGlobal("IncludeStyle", + utils::IncludeSorter::IS_LLVM), + areDiagsSelfContained()) {} + +void MinMaxUseInitializerListCheck::storeOptions( + ClangTidyOptions::OptionMap &Opts) { + Options.store(Opts, "IgnoreNonTrivialTypes", IgnoreNonTrivialTypes); + Options.store(Opts, "IgnoreTrivialTypesOfSizeAbove", + IgnoreTrivialTypesOfSizeAbove); + Options.store(Opts, "IncludeStyle", Inserter.getStyle()); +} + +void MinMaxUseInitializerListCheck::registerMatchers(MatchFinder *Finder) { + auto CreateMatcher = [](const StringRef FunctionName) { + auto FuncDecl = functionDecl(hasName(FunctionName)); + auto Expression = callExpr(callee(FuncDecl)); + + return callExpr(callee(FuncDecl), + anyOf(hasArgument(0, Expression), + hasArgument(1, Expression), + hasArgument(0, cxxStdInitializerListExpr())), + unless(hasParent(Expression))) + .bind("topCall"); + }; + + Finder->addMatcher(CreateMatcher("::std::max"), this); + Finder->addMatcher(CreateMatcher("::std::min"), this); +} + +void MinMaxUseInitializerListCheck::registerPPCallbacks( + const SourceManager &SM, Preprocessor *PP, Preprocessor *ModuleExpanderPP) { + Inserter.registerPreprocessor(PP); +} + +void MinMaxUseInitializerListCheck::check( + const MatchFinder::MatchResult &Match) { + + const auto *TopCall = Match.Nodes.getNodeAs("topCall"); + + const FindArgsResult Result = findArgs(TopCall); + const SmallVector Replacements = + generateReplacements(Match, TopCall, Result, IgnoreNonTrivialTypes, + IgnoreTrivialTypesOfSizeAbove); + + if (Replacements.empty()) + return; + + const DiagnosticBuilder Diagnostic = + diag(TopCall->getBeginLoc(), + "do not use nested 'std::%0' calls, use an initializer list instead") + << TopCall->getDirectCallee()->getName() + << Inserter.createIncludeInsertion( + Match.SourceManager->getFileID(TopCall->getBeginLoc()), + ""); + + // if the top call doesn't have an initializer list argument + if (Result.First != Result.Last) { + // add { and } insertions + Diagnostic << FixItHint::CreateInsertion(Result.First->getBeginLoc(), "{"); + + Diagnostic << FixItHint::CreateInsertion( + Lexer::getLocForEndOfToken(Result.Last->getEndLoc(), 0, + *Match.SourceManager, + Match.Context->getLangOpts()), + "}"); + } + + Diagnostic << Replacements; +} + +} // namespace clang::tidy::modernize diff --git a/clang-tools-extra/clang-tidy/modernize/MinMaxUseInitializerListCheck.h b/clang-tools-extra/clang-tidy/modernize/MinMaxUseInitializerListCheck.h new file mode 100644 index 0000000000000000000000000000000000000000..577d12653076124235cf25227544ce4ad091bb15 --- /dev/null +++ b/clang-tools-extra/clang-tidy/modernize/MinMaxUseInitializerListCheck.h @@ -0,0 +1,56 @@ +//===--- MinMaxUseInitializerListCheck.h - clang-tidy -----------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_MINMAXUSEINITIALIZERLISTCHECK_H +#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_MINMAXUSEINITIALIZERLISTCHECK_H + +#include "../ClangTidyCheck.h" +#include "../utils/IncludeInserter.h" + +namespace clang::tidy::modernize { + +/// Replaces nested ``std::min`` and ``std::max`` calls with an initializer list +/// where applicable. +/// +/// For example: +/// +/// \code +/// int a = std::max(std::max(i, j), k); +/// \endcode +/// +/// This code is transformed to: +/// +/// \code +/// int a = std::max({i, j, k}); +/// \endcode +class MinMaxUseInitializerListCheck : public ClangTidyCheck { +public: + MinMaxUseInitializerListCheck(StringRef Name, ClangTidyContext *Context); + + void storeOptions(ClangTidyOptions::OptionMap &Opts) override; + void registerMatchers(ast_matchers::MatchFinder *Finder) override; + void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP, + Preprocessor *ModuleExpanderPP) override; + void check(const ast_matchers::MatchFinder::MatchResult &Match) override; + + bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { + return LangOpts.CPlusPlus11; + } + std::optional getCheckTraversalKind() const override { + return TK_IgnoreUnlessSpelledInSource; + } + +private: + bool IgnoreNonTrivialTypes; + std::uint64_t IgnoreTrivialTypesOfSizeAbove; + utils::IncludeInserter Inserter; +}; + +} // namespace clang::tidy::modernize + +#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_MINMAXUSEINITIALIZERLISTCHECK_H diff --git a/clang-tools-extra/clang-tidy/modernize/ModernizeTidyModule.cpp b/clang-tools-extra/clang-tidy/modernize/ModernizeTidyModule.cpp index e96cf274f58cfefccb746abd6f6f5d89f69dfe26..776558433c5baa492e8f33637becee5d85775de1 100644 --- a/clang-tools-extra/clang-tidy/modernize/ModernizeTidyModule.cpp +++ b/clang-tools-extra/clang-tidy/modernize/ModernizeTidyModule.cpp @@ -18,6 +18,7 @@ #include "MacroToEnumCheck.h" #include "MakeSharedCheck.h" #include "MakeUniqueCheck.h" +#include "MinMaxUseInitializerListCheck.h" #include "PassByValueCheck.h" #include "RawStringLiteralCheck.h" #include "RedundantVoidArgCheck.h" @@ -68,6 +69,8 @@ public: CheckFactories.registerCheck("modernize-macro-to-enum"); CheckFactories.registerCheck("modernize-make-shared"); CheckFactories.registerCheck("modernize-make-unique"); + CheckFactories.registerCheck( + "modernize-min-max-use-initializer-list"); CheckFactories.registerCheck("modernize-pass-by-value"); CheckFactories.registerCheck( "modernize-use-designated-initializers"); diff --git a/clang-tools-extra/clang-tidy/modernize/UseEqualsDefaultCheck.cpp b/clang-tools-extra/clang-tidy/modernize/UseEqualsDefaultCheck.cpp index 5134eb51a03226caa33aa14f6c195d9e2c2375b0..93151024064b42a72cc478d125e558d0e0eb3572 100644 --- a/clang-tools-extra/clang-tidy/modernize/UseEqualsDefaultCheck.cpp +++ b/clang-tools-extra/clang-tidy/modernize/UseEqualsDefaultCheck.cpp @@ -26,7 +26,7 @@ getAllNamedFields(const CXXRecordDecl *Record) { std::set Result; for (const auto *Field : Record->fields()) { // Static data members are not in this range. - if (Field->isUnnamedBitfield()) + if (Field->isUnnamedBitField()) continue; Result.insert(Field); } diff --git a/clang-tools-extra/clang-tidy/modernize/UseNullptrCheck.h b/clang-tools-extra/clang-tidy/modernize/UseNullptrCheck.h index 6c32a4edb4ff96ed48703067a7b52dc9041be4d7..f1591bae4465798750f1642eac64d70991d678cb 100644 --- a/clang-tools-extra/clang-tidy/modernize/UseNullptrCheck.h +++ b/clang-tools-extra/clang-tidy/modernize/UseNullptrCheck.h @@ -19,7 +19,7 @@ public: bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { // FIXME this should be CPlusPlus11 but that causes test cases to // erroneously fail. - return LangOpts.CPlusPlus; + return LangOpts.CPlusPlus || LangOpts.C23; } void storeOptions(ClangTidyOptions::OptionMap &Opts) override; void registerMatchers(ast_matchers::MatchFinder *Finder) override; diff --git a/clang-tools-extra/clang-tidy/modernize/UseStartsEndsWithCheck.cpp b/clang-tools-extra/clang-tidy/modernize/UseStartsEndsWithCheck.cpp index 062f6e9911dbed35d3848a8cf7e1202ae1ec85ba..89ee45faecd7f33e8f80189ee59fad02849695aa 100644 --- a/clang-tools-extra/clang-tidy/modernize/UseStartsEndsWithCheck.cpp +++ b/clang-tools-extra/clang-tidy/modernize/UseStartsEndsWithCheck.cpp @@ -43,7 +43,9 @@ void UseStartsEndsWithCheck::registerMatchers(MatchFinder *Finder) { callee(cxxMethodDecl(hasName("find")).bind("find_fun")), // ... on a class with a starts_with function. on(hasType( - hasCanonicalType(hasDeclaration(ClassWithStartsWithFunction))))); + hasCanonicalType(hasDeclaration(ClassWithStartsWithFunction)))), + // Bind search expression. + hasArgument(0, expr().bind("search_expr"))); const auto RFindExpr = cxxMemberCallExpr( // A method call with a second argument of zero... @@ -52,15 +54,68 @@ void UseStartsEndsWithCheck::registerMatchers(MatchFinder *Finder) { callee(cxxMethodDecl(hasName("rfind")).bind("find_fun")), // ... on a class with a starts_with function. on(hasType( - hasCanonicalType(hasDeclaration(ClassWithStartsWithFunction))))); + hasCanonicalType(hasDeclaration(ClassWithStartsWithFunction)))), + // Bind search expression. + hasArgument(0, expr().bind("search_expr"))); + + // Match a string literal and an integer or strlen() call matching the length. + const auto HasStringLiteralAndLengthArgs = [](const auto StringArgIndex, + const auto LengthArgIndex) { + return allOf( + hasArgument(StringArgIndex, stringLiteral().bind("string_literal_arg")), + hasArgument(LengthArgIndex, + anyOf(integerLiteral().bind("integer_literal_size_arg"), + callExpr(callee(functionDecl(parameterCountIs(1), + hasName("strlen"))), + hasArgument(0, stringLiteral().bind( + "strlen_arg")))))); + }; + + // Match a string variable and a call to length() or size(). + const auto HasStringVariableAndSizeCallArgs = [](const auto StringArgIndex, + const auto LengthArgIndex) { + return allOf( + hasArgument(StringArgIndex, declRefExpr(hasDeclaration( + decl().bind("string_var_decl")))), + hasArgument(LengthArgIndex, + cxxMemberCallExpr( + callee(cxxMethodDecl(isConst(), parameterCountIs(0), + hasAnyName("size", "length"))), + on(declRefExpr( + to(decl(equalsBoundNode("string_var_decl")))))))); + }; - const auto FindOrRFindExpr = - cxxMemberCallExpr(anyOf(FindExpr, RFindExpr)).bind("find_expr"); + // Match either one of the two cases above. + const auto HasStringAndLengthArgs = + [HasStringLiteralAndLengthArgs, HasStringVariableAndSizeCallArgs]( + const auto StringArgIndex, const auto LengthArgIndex) { + return anyOf( + HasStringLiteralAndLengthArgs(StringArgIndex, LengthArgIndex), + HasStringVariableAndSizeCallArgs(StringArgIndex, LengthArgIndex)); + }; + + const auto CompareExpr = cxxMemberCallExpr( + // A method call with three arguments... + argumentCountIs(3), + // ... where the first argument is zero... + hasArgument(0, ZeroLiteral), + // ... named compare... + callee(cxxMethodDecl(hasName("compare")).bind("find_fun")), + // ... on a class with a starts_with function... + on(hasType( + hasCanonicalType(hasDeclaration(ClassWithStartsWithFunction)))), + // ... where the third argument is some string and the second a length. + HasStringAndLengthArgs(2, 1), + // Bind search expression. + hasArgument(2, expr().bind("search_expr"))); Finder->addMatcher( - // Match [=!]= with a zero on one side and a string.(r?)find on the other. - binaryOperator(hasAnyOperatorName("==", "!="), - hasOperands(FindOrRFindExpr, ZeroLiteral)) + // Match [=!]= with a zero on one side and (r?)find|compare on the other. + binaryOperator( + hasAnyOperatorName("==", "!="), + hasOperands(cxxMemberCallExpr(anyOf(FindExpr, RFindExpr, CompareExpr)) + .bind("find_expr"), + ZeroLiteral)) .bind("expr"), this); } @@ -69,9 +124,28 @@ void UseStartsEndsWithCheck::check(const MatchFinder::MatchResult &Result) { const auto *ComparisonExpr = Result.Nodes.getNodeAs("expr"); const auto *FindExpr = Result.Nodes.getNodeAs("find_expr"); const auto *FindFun = Result.Nodes.getNodeAs("find_fun"); + const auto *SearchExpr = Result.Nodes.getNodeAs("search_expr"); const auto *StartsWithFunction = Result.Nodes.getNodeAs("starts_with_fun"); + const auto *StringLiteralArg = + Result.Nodes.getNodeAs("string_literal_arg"); + const auto *IntegerLiteralSizeArg = + Result.Nodes.getNodeAs("integer_literal_size_arg"); + const auto *StrlenArg = Result.Nodes.getNodeAs("strlen_arg"); + + // Filter out compare cases where the length does not match string literal. + if (StringLiteralArg && IntegerLiteralSizeArg && + StringLiteralArg->getLength() != + IntegerLiteralSizeArg->getValue().getZExtValue()) { + return; + } + + if (StringLiteralArg && StrlenArg && + StringLiteralArg->getLength() != StrlenArg->getLength()) { + return; + } + if (ComparisonExpr->getBeginLoc().isMacroID()) { return; } @@ -79,13 +153,13 @@ void UseStartsEndsWithCheck::check(const MatchFinder::MatchResult &Result) { const bool Neg = ComparisonExpr->getOpcode() == BO_NE; auto Diagnostic = - diag(FindExpr->getBeginLoc(), "use %0 instead of %1() %select{==|!=}2 0") + diag(FindExpr->getExprLoc(), "use %0 instead of %1() %select{==|!=}2 0") << StartsWithFunction->getName() << FindFun->getName() << Neg; - // Remove possible zero second argument and ' [!=]= 0' suffix. + // Remove possible arguments after search expression and ' [!=]= 0' suffix. Diagnostic << FixItHint::CreateReplacement( CharSourceRange::getTokenRange( - Lexer::getLocForEndOfToken(FindExpr->getArg(0)->getEndLoc(), 0, + Lexer::getLocForEndOfToken(SearchExpr->getEndLoc(), 0, *Result.SourceManager, getLangOpts()), ComparisonExpr->getEndLoc()), ")"); @@ -94,11 +168,12 @@ void UseStartsEndsWithCheck::check(const MatchFinder::MatchResult &Result) { Diagnostic << FixItHint::CreateRemoval(CharSourceRange::getCharRange( ComparisonExpr->getBeginLoc(), FindExpr->getBeginLoc())); - // Replace '(r?)find' with 'starts_with'. + // Replace method name by 'starts_with'. + // Remove possible arguments before search expression. Diagnostic << FixItHint::CreateReplacement( - CharSourceRange::getTokenRange(FindExpr->getExprLoc(), - FindExpr->getExprLoc()), - StartsWithFunction->getName()); + CharSourceRange::getCharRange(FindExpr->getExprLoc(), + SearchExpr->getBeginLoc()), + (StartsWithFunction->getName() + "(").str()); // Add possible negation '!'. if (Neg) { diff --git a/clang-tools-extra/clang-tidy/modernize/UseStartsEndsWithCheck.h b/clang-tools-extra/clang-tidy/modernize/UseStartsEndsWithCheck.h index 34e97177682575c97849f542f5679a3366ba0ec6..840191f321493fe49e440b4bb7bbfc5407c64b3b 100644 --- a/clang-tools-extra/clang-tidy/modernize/UseStartsEndsWithCheck.h +++ b/clang-tools-extra/clang-tidy/modernize/UseStartsEndsWithCheck.h @@ -13,9 +13,10 @@ namespace clang::tidy::modernize { -/// Checks whether a ``find`` or ``rfind`` result is compared with 0 and -/// suggests replacing with ``starts_with`` when the method exists in the class. -/// Notably, this will work with ``std::string`` and ``std::string_view``. +/// Checks for common roundabout ways to express ``starts_with`` and +/// ``ends_with`` and suggests replacing with ``starts_with`` when the method is +/// available. Notably, this will work with ``std::string`` and +/// ``std::string_view``. /// /// For the user-facing documentation see: /// http://clang.llvm.org/extra/clang-tidy/checks/modernize/use-starts-ends-with.html diff --git a/clang-tools-extra/clang-tidy/readability/AvoidReturnWithVoidValueCheck.cpp b/clang-tools-extra/clang-tidy/readability/AvoidReturnWithVoidValueCheck.cpp index 48bca41f4a3b1e87dbd7488617702f17e5f6e15a..f077040a35295e97c9f4606787757a6a04e0190e 100644 --- a/clang-tools-extra/clang-tidy/readability/AvoidReturnWithVoidValueCheck.cpp +++ b/clang-tools-extra/clang-tidy/readability/AvoidReturnWithVoidValueCheck.cpp @@ -64,8 +64,11 @@ void AvoidReturnWithVoidValueCheck::check( << BraceInsertionHints.closingBraceFixIt(); } Diag << FixItHint::CreateRemoval(VoidReturn->getReturnLoc()); - if (!Result.Nodes.getNodeAs("function_parent") || - SurroundingBlock->body_back() != VoidReturn) + const auto *FunctionParent = + Result.Nodes.getNodeAs("function_parent"); + if (!FunctionParent || + (SurroundingBlock && SurroundingBlock->body_back() != VoidReturn)) + // If this is not the last statement in a function body, we add a `return`. Diag << FixItHint::CreateInsertion(SemicolonPos.getLocWithOffset(1), " return;", true); } diff --git a/clang-tools-extra/clang-tidy/readability/CMakeLists.txt b/clang-tools-extra/clang-tidy/readability/CMakeLists.txt index dd772d692025481a9eae7475168f96ec29baf6fe..41065fc8e8785903b220113cde72e3e286166c3b 100644 --- a/clang-tools-extra/clang-tidy/readability/CMakeLists.txt +++ b/clang-tools-extra/clang-tidy/readability/CMakeLists.txt @@ -28,6 +28,7 @@ add_clang_library(clangTidyReadabilityModule IsolateDeclarationCheck.cpp MagicNumbersCheck.cpp MakeMemberFunctionConstCheck.cpp + MathMissingParenthesesCheck.cpp MisleadingIndentationCheck.cpp MisplacedArrayIndexCheck.cpp NamedParameterCheck.cpp diff --git a/clang-tools-extra/clang-tidy/readability/MathMissingParenthesesCheck.cpp b/clang-tools-extra/clang-tidy/readability/MathMissingParenthesesCheck.cpp new file mode 100644 index 0000000000000000000000000000000000000000..65fd296094915bbddf4e114e3ee96f8d5efb5f50 --- /dev/null +++ b/clang-tools-extra/clang-tidy/readability/MathMissingParenthesesCheck.cpp @@ -0,0 +1,99 @@ +//===--- MathMissingParenthesesCheck.cpp - clang-tidy ---------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "MathMissingParenthesesCheck.h" +#include "clang/AST/ASTContext.h" +#include "clang/ASTMatchers/ASTMatchFinder.h" +#include "clang/Lex/Lexer.h" + +using namespace clang::ast_matchers; + +namespace clang::tidy::readability { + +void MathMissingParenthesesCheck::registerMatchers(MatchFinder *Finder) { + Finder->addMatcher(binaryOperator(unless(hasParent(binaryOperator())), + unless(isAssignmentOperator()), + unless(isComparisonOperator()), + unless(hasAnyOperatorName("&&", "||")), + hasDescendant(binaryOperator())) + .bind("binOp"), + this); +} + +static int getPrecedence(const BinaryOperator *BinOp) { + if (!BinOp) + return 0; + switch (BinOp->getOpcode()) { + case BO_Mul: + case BO_Div: + case BO_Rem: + return 5; + case BO_Add: + case BO_Sub: + return 4; + case BO_And: + return 3; + case BO_Xor: + return 2; + case BO_Or: + return 1; + default: + return 0; + } +} +static void addParantheses(const BinaryOperator *BinOp, + const BinaryOperator *ParentBinOp, + ClangTidyCheck *Check, + const clang::SourceManager &SM, + const clang::LangOptions &LangOpts) { + if (!BinOp) + return; + + int Precedence1 = getPrecedence(BinOp); + int Precedence2 = getPrecedence(ParentBinOp); + + if (ParentBinOp != nullptr && Precedence1 != Precedence2) { + const clang::SourceLocation StartLoc = BinOp->getBeginLoc(); + const clang::SourceLocation EndLoc = + clang::Lexer::getLocForEndOfToken(BinOp->getEndLoc(), 0, SM, LangOpts); + + auto Diag = + Check->diag(StartLoc, + "'%0' has higher precedence than '%1'; add parentheses to " + "explicitly specify the order of operations") + << (Precedence1 > Precedence2 ? BinOp->getOpcodeStr() + : ParentBinOp->getOpcodeStr()) + << (Precedence1 > Precedence2 ? ParentBinOp->getOpcodeStr() + : BinOp->getOpcodeStr()) + << SourceRange(StartLoc, EndLoc); + + if (EndLoc.isValid()) { + Diag << FixItHint::CreateInsertion(StartLoc, "(") + << FixItHint::CreateInsertion(EndLoc, ")"); + } + } + + addParantheses(dyn_cast(BinOp->getLHS()->IgnoreImpCasts()), + BinOp, Check, SM, LangOpts); + addParantheses(dyn_cast(BinOp->getRHS()->IgnoreImpCasts()), + BinOp, Check, SM, LangOpts); +} + +void MathMissingParenthesesCheck::check( + const MatchFinder::MatchResult &Result) { + const auto *BinOp = Result.Nodes.getNodeAs("binOp"); + std::vector< + std::pair>> + Insertions; + const SourceManager &SM = *Result.SourceManager; + const clang::LangOptions &LO = Result.Context->getLangOpts(); + addParantheses(BinOp, nullptr, this, SM, LO); +} + +} // namespace clang::tidy::readability diff --git a/clang-tools-extra/clang-tidy/readability/MathMissingParenthesesCheck.h b/clang-tools-extra/clang-tidy/readability/MathMissingParenthesesCheck.h new file mode 100644 index 0000000000000000000000000000000000000000..9a9d2b3cfaabaeb928b18a088791a2dec723434c --- /dev/null +++ b/clang-tools-extra/clang-tidy/readability/MathMissingParenthesesCheck.h @@ -0,0 +1,34 @@ +//===--- MathMissingParenthesesCheck.h - clang-tidy -------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_MATHMISSINGPARENTHESESCHECK_H +#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_MATHMISSINGPARENTHESESCHECK_H + +#include "../ClangTidyCheck.h" + +namespace clang::tidy::readability { + +/// Check for mising parantheses in mathematical expressions that involve +/// operators of different priorities. +/// +/// For the user-facing documentation see: +/// http://clang.llvm.org/extra/clang-tidy/checks/readability/math-missing-parentheses.html +class MathMissingParenthesesCheck : public ClangTidyCheck { +public: + MathMissingParenthesesCheck(StringRef Name, ClangTidyContext *Context) + : ClangTidyCheck(Name, Context) {} + void registerMatchers(ast_matchers::MatchFinder *Finder) override; + void check(const ast_matchers::MatchFinder::MatchResult &Result) override; + std::optional getCheckTraversalKind() const override { + return TK_IgnoreUnlessSpelledInSource; + } +}; + +} // namespace clang::tidy::readability + +#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_MATHMISSINGPARENTHESESCHECK_H diff --git a/clang-tools-extra/clang-tidy/readability/ReadabilityTidyModule.cpp b/clang-tools-extra/clang-tidy/readability/ReadabilityTidyModule.cpp index 376b84683df74e4e8880431b58a70220b600e486..d61c0ba39658e5ff47fdd0a3ac2fdec28a10e155 100644 --- a/clang-tools-extra/clang-tidy/readability/ReadabilityTidyModule.cpp +++ b/clang-tools-extra/clang-tidy/readability/ReadabilityTidyModule.cpp @@ -32,6 +32,7 @@ #include "IsolateDeclarationCheck.h" #include "MagicNumbersCheck.h" #include "MakeMemberFunctionConstCheck.h" +#include "MathMissingParenthesesCheck.h" #include "MisleadingIndentationCheck.h" #include "MisplacedArrayIndexCheck.h" #include "NamedParameterCheck.h" @@ -105,6 +106,8 @@ public: "readability-identifier-naming"); CheckFactories.registerCheck( "readability-implicit-bool-conversion"); + CheckFactories.registerCheck( + "readability-math-missing-parentheses"); CheckFactories.registerCheck( "readability-redundant-inline-specifier"); CheckFactories.registerCheck( diff --git a/clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp b/clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp index 9f3d6b6db6cbca1b0cc9aa3b7c71b4746f34d712..f82f4417141d3df287dfafb5182715aa09be7352 100644 --- a/clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp +++ b/clang-tools-extra/clang-tidy/tool/ClangTidyMain.cpp @@ -454,52 +454,27 @@ static constexpr StringLiteral VerifyConfigWarningEnd = " [-verify-config]\n"; static bool verifyChecks(const StringSet<> &AllChecks, StringRef CheckGlob, StringRef Source) { - llvm::StringRef Cur, Rest; + GlobList Globs(CheckGlob); bool AnyInvalid = false; - for (std::tie(Cur, Rest) = CheckGlob.split(','); - !(Cur.empty() && Rest.empty()); std::tie(Cur, Rest) = Rest.split(',')) { - Cur = Cur.trim(); - if (Cur.empty()) + for (const auto &Item : Globs.getItems()) { + if (Item.Text.starts_with("clang-diagnostic")) continue; - Cur.consume_front("-"); - if (Cur.starts_with("clang-diagnostic")) - continue; - if (Cur.contains('*')) { - SmallString<128> RegexText("^"); - StringRef MetaChars("()^$|*+?.[]\\{}"); - for (char C : Cur) { - if (C == '*') - RegexText.push_back('.'); - else if (MetaChars.contains(C)) - RegexText.push_back('\\'); - RegexText.push_back(C); - } - RegexText.push_back('$'); - llvm::Regex Glob(RegexText); - std::string Error; - if (!Glob.isValid(Error)) { - AnyInvalid = true; - llvm::WithColor::error(llvm::errs(), Source) - << "building check glob '" << Cur << "' " << Error << "'\n"; - continue; - } - if (llvm::none_of(AllChecks.keys(), - [&Glob](StringRef S) { return Glob.match(S); })) { - AnyInvalid = true; + if (llvm::none_of(AllChecks.keys(), + [&Item](StringRef S) { return Item.Regex.match(S); })) { + AnyInvalid = true; + if (Item.Text.contains('*')) llvm::WithColor::warning(llvm::errs(), Source) - << "check glob '" << Cur << "' doesn't match any known check" + << "check glob '" << Item.Text << "' doesn't match any known check" << VerifyConfigWarningEnd; + else { + llvm::raw_ostream &Output = + llvm::WithColor::warning(llvm::errs(), Source) + << "unknown check '" << Item.Text << '\''; + llvm::StringRef Closest = closest(Item.Text, AllChecks); + if (!Closest.empty()) + Output << "; did you mean '" << Closest << '\''; + Output << VerifyConfigWarningEnd; } - } else { - if (AllChecks.contains(Cur)) - continue; - AnyInvalid = true; - llvm::raw_ostream &Output = llvm::WithColor::warning(llvm::errs(), Source) - << "unknown check '" << Cur << '\''; - llvm::StringRef Closest = closest(Cur, AllChecks); - if (!Closest.empty()) - Output << "; did you mean '" << Closest << '\''; - Output << VerifyConfigWarningEnd; } } return AnyInvalid; diff --git a/clang-tools-extra/clang-tidy/utils/ExceptionSpecAnalyzer.cpp b/clang-tools-extra/clang-tidy/utils/ExceptionSpecAnalyzer.cpp index 1dde0490517852d91cd427790371c222c1a9f779..4a9426ee7e8bbbe35f46cfbc1a9670833aab123d 100644 --- a/clang-tools-extra/clang-tidy/utils/ExceptionSpecAnalyzer.cpp +++ b/clang-tools-extra/clang-tidy/utils/ExceptionSpecAnalyzer.cpp @@ -99,7 +99,7 @@ ExceptionSpecAnalyzer::analyzeRecord(const CXXRecordDecl *RecordDecl, } for (const auto *FDecl : RecordDecl->fields()) - if (!FDecl->isInvalidDecl() && !FDecl->isUnnamedBitfield()) { + if (!FDecl->isInvalidDecl() && !FDecl->isUnnamedBitField()) { State Result = analyzeFieldDecl(FDecl, Kind); if (Result == State::Throwing || Result == State::Unknown) return Result; diff --git a/clang-tools-extra/clangd/ClangdServer.cpp b/clang-tools-extra/clangd/ClangdServer.cpp index 5790273d625ef14f7ae06ff608b88cd65926e808..1c4c2a79b5c05103cef3b9273f63dec556b9a584 100644 --- a/clang-tools-extra/clangd/ClangdServer.cpp +++ b/clang-tools-extra/clangd/ClangdServer.cpp @@ -30,6 +30,7 @@ #include "refactor/Rename.h" #include "refactor/Tweak.h" #include "support/Cancellation.h" +#include "support/Context.h" #include "support/Logger.h" #include "support/MemoryTree.h" #include "support/ThreadsafeFS.h" @@ -112,7 +113,12 @@ struct UpdateIndexCallbacks : public ParsingCallbacks { // Index outlives TUScheduler (declared first) FIndex(FIndex), // shared_ptr extends lifetime - Stdlib(Stdlib)]() mutable { + Stdlib(Stdlib), + // We have some FS implementations that rely on information in + // the context. + Ctx(Context::current().clone())]() mutable { + // Make sure we install the context into current thread. + WithContext C(std::move(Ctx)); clang::noteBottomOfStack(); IndexFileIn IF; IF.Symbols = indexStandardLibrary(std::move(CI), Loc, *TFS); diff --git a/clang-tools-extra/clangd/CodeCompletionStrings.cpp b/clang-tools-extra/clangd/CodeCompletionStrings.cpp index 2075e5965f181ede2a7c2b737b63afbc91ba8285..9b4442b0bb76fd780af6909772a89d2e6e069cde 100644 --- a/clang-tools-extra/clangd/CodeCompletionStrings.cpp +++ b/clang-tools-extra/clangd/CodeCompletionStrings.cpp @@ -253,7 +253,7 @@ void getSignature(const CodeCompletionString &CCS, std::string *Signature, if (!IncludeFunctionArguments && ResultKind == CodeCompletionResult::RK_Declaration) TruncateSnippetAt.emplace(Snippet->size()); - LLVM_FALLTHROUGH; + [[fallthrough]]; case CodeCompletionString::CK_RightParen: case CodeCompletionString::CK_LeftBracket: case CodeCompletionString::CK_RightBracket: diff --git a/clang-tools-extra/clangd/Preamble.cpp b/clang-tools-extra/clangd/Preamble.cpp index f181c7befec156a9afba0548da585ecc55010c9a..d5818e0ca309b03fafadc20f1fbdfe4f902ab615 100644 --- a/clang-tools-extra/clangd/Preamble.cpp +++ b/clang-tools-extra/clangd/Preamble.cpp @@ -700,6 +700,7 @@ buildPreamble(PathRef FileName, CompilerInvocation CI, Result->Marks = CapturedInfo.takeMarks(); Result->StatCache = StatCache; Result->MainIsIncludeGuarded = CapturedInfo.isMainFileIncludeGuarded(); + Result->TargetOpts = CI.TargetOpts; if (PreambleCallback) { trace::Span Tracer("Running PreambleCallback"); auto Ctx = CapturedInfo.takeLife(); @@ -913,6 +914,12 @@ PreamblePatch PreamblePatch::createMacroPatch(llvm::StringRef FileName, } void PreamblePatch::apply(CompilerInvocation &CI) const { + // Make sure the compilation uses same target opts as the preamble. Clang has + // no guarantees around using arbitrary options when reusing PCHs, and + // different target opts can result in crashes, see + // ParsedASTTest.PreambleWithDifferentTarget. + CI.TargetOpts = Baseline->TargetOpts; + // No need to map an empty file. if (PatchContents.empty()) return; diff --git a/clang-tools-extra/clangd/Preamble.h b/clang-tools-extra/clangd/Preamble.h index 37da3833748a9c6e1357bdba3cbf509b31686414..160b884beb56bb78f1b0e79d435a6c352e90e73a 100644 --- a/clang-tools-extra/clangd/Preamble.h +++ b/clang-tools-extra/clangd/Preamble.h @@ -30,6 +30,7 @@ #include "clang-include-cleaner/Record.h" #include "support/Path.h" #include "clang/Basic/SourceManager.h" +#include "clang/Basic/TargetOptions.h" #include "clang/Frontend/CompilerInvocation.h" #include "clang/Frontend/PrecompiledPreamble.h" #include "clang/Lex/Lexer.h" @@ -97,6 +98,10 @@ struct PreambleData { // Version of the ParseInputs this preamble was built from. std::string Version; tooling::CompileCommand CompileCommand; + // Target options used when building the preamble. Changes in target can cause + // crashes when deserializing preamble, this enables consumers to use the + // same target (without reparsing CompileCommand). + std::shared_ptr TargetOpts = nullptr; PrecompiledPreamble Preamble; std::vector Diags; // Processes like code completions and go-to-definitions will need #include diff --git a/clang-tools-extra/clangd/unittests/CMakeLists.txt b/clang-tools-extra/clangd/unittests/CMakeLists.txt index e432db8d0912e736743149943c39672998f7f7ed..7f1ae5c43d80c69cd896c886cdd4100467e9b88c 100644 --- a/clang-tools-extra/clangd/unittests/CMakeLists.txt +++ b/clang-tools-extra/clangd/unittests/CMakeLists.txt @@ -2,6 +2,7 @@ set(LLVM_LINK_COMPONENTS support AllTargetsInfos FrontendOpenMP + TargetParser ) if(CLANG_BUILT_STANDALONE) diff --git a/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp b/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp index 8fbac73cb653bcc20d4b68a92a6e80f2bd881315..96d1ee1f0add7359e30dc7435d76d4e8c295cb7e 100644 --- a/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp +++ b/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp @@ -4160,7 +4160,32 @@ TEST(CompletionTest, DoNotCrash) { auto Completions = completions(Case); } } +TEST(CompletionTest, PreambleFromDifferentTarget) { + constexpr std::string_view PreambleTarget = "x86_64"; + constexpr std::string_view Contents = + "int foo(int); int num; int num2 = foo(n^"; + Annotations Test(Contents); + auto TU = TestTU::withCode(Test.code()); + TU.ExtraArgs.emplace_back("-target"); + TU.ExtraArgs.emplace_back(PreambleTarget); + auto Preamble = TU.preamble(); + ASSERT_TRUE(Preamble); + // Switch target to wasm. + TU.ExtraArgs.pop_back(); + TU.ExtraArgs.emplace_back("wasm32"); + + MockFS FS; + auto Inputs = TU.inputs(FS); + auto Result = codeComplete(testPath(TU.Filename), Test.point(), + Preamble.get(), Inputs, {}); + auto Signatures = + signatureHelp(testPath(TU.Filename), Test.point(), *Preamble, Inputs, {}); + + // Make sure we don't crash. + EXPECT_THAT(Result.Completions, Not(testing::IsEmpty())); + EXPECT_THAT(Signatures.signatures, Not(testing::IsEmpty())); +} } // namespace } // namespace clangd } // namespace clang diff --git a/clang-tools-extra/clangd/unittests/FindTargetTests.cpp b/clang-tools-extra/clangd/unittests/FindTargetTests.cpp index 0af6036734ba53b49cb8772f508f9415a8aed04f..94437857cecca6a94df8ad316b29b6302d812cd1 100644 --- a/clang-tools-extra/clangd/unittests/FindTargetTests.cpp +++ b/clang-tools-extra/clangd/unittests/FindTargetTests.cpp @@ -427,7 +427,7 @@ TEST_F(TargetDeclTest, Types) { [[auto]] X = S{}; )cpp"; // FIXME: deduced type missing in AST. https://llvm.org/PR42914 - EXPECT_DECLS("AutoTypeLoc"); + EXPECT_DECLS("AutoTypeLoc", ); Code = R"cpp( template @@ -727,13 +727,13 @@ TEST_F(TargetDeclTest, BuiltinTemplates) { template using make_integer_sequence = [[__make_integer_seq]]; )cpp"; - EXPECT_DECLS("TemplateSpecializationTypeLoc"); + EXPECT_DECLS("TemplateSpecializationTypeLoc", ); Code = R"cpp( template using type_pack_element = [[__type_pack_element]]; )cpp"; - EXPECT_DECLS("TemplateSpecializationTypeLoc"); + EXPECT_DECLS("TemplateSpecializationTypeLoc", ); } TEST_F(TargetDeclTest, MemberOfTemplate) { @@ -854,7 +854,7 @@ TEST_F(TargetDeclTest, DependentExprs) { } }; )cpp"; - EXPECT_DECLS("CXXDependentScopeMemberExpr", "void foo()"); + EXPECT_DECLS("MemberExpr", "void foo()"); // Similar to above but base expression involves a function call. Code = R"cpp( @@ -872,7 +872,7 @@ TEST_F(TargetDeclTest, DependentExprs) { } }; )cpp"; - EXPECT_DECLS("CXXDependentScopeMemberExpr", "void foo()"); + EXPECT_DECLS("MemberExpr", "void foo()"); // Similar to above but uses a function pointer. Code = R"cpp( @@ -891,7 +891,7 @@ TEST_F(TargetDeclTest, DependentExprs) { } }; )cpp"; - EXPECT_DECLS("CXXDependentScopeMemberExpr", "void foo()"); + EXPECT_DECLS("MemberExpr", "void foo()"); // Base expression involves a member access into this. Code = R"cpp( @@ -962,7 +962,7 @@ TEST_F(TargetDeclTest, DependentExprs) { void Foo() { this->[[find]](); } }; )cpp"; - EXPECT_DECLS("CXXDependentScopeMemberExpr", "void find()"); + EXPECT_DECLS("MemberExpr", "void find()"); } TEST_F(TargetDeclTest, DependentTypes) { @@ -1018,7 +1018,7 @@ TEST_F(TargetDeclTest, DependentTypes) { typedef typename waldo::type::[[next]] type; }; )cpp"; - EXPECT_DECLS("DependentNameTypeLoc"); + EXPECT_DECLS("DependentNameTypeLoc", ); // Similar to above but using mutually recursive templates. Code = R"cpp( @@ -1035,7 +1035,7 @@ TEST_F(TargetDeclTest, DependentTypes) { using type = typename even::type::[[next]]; }; )cpp"; - EXPECT_DECLS("DependentNameTypeLoc"); + EXPECT_DECLS("DependentNameTypeLoc", ); } TEST_F(TargetDeclTest, TypedefCascade) { @@ -1263,14 +1263,14 @@ TEST_F(TargetDeclTest, ObjC) { + ([[id]])sharedInstance; @end )cpp"; - EXPECT_DECLS("TypedefTypeLoc"); + EXPECT_DECLS("TypedefTypeLoc", ); Code = R"cpp( @interface Foo + ([[instancetype]])sharedInstance; @end )cpp"; - EXPECT_DECLS("TypedefTypeLoc"); + EXPECT_DECLS("TypedefTypeLoc", ); } class FindExplicitReferencesTest : public ::testing::Test { diff --git a/clang-tools-extra/clangd/unittests/ParsedASTTests.cpp b/clang-tools-extra/clangd/unittests/ParsedASTTests.cpp index 500b72b9b327a04fad77afdf27697decdda408ba..4bb76cd6ab8304af8586316441c3cd06fd5bbc7d 100644 --- a/clang-tools-extra/clangd/unittests/ParsedASTTests.cpp +++ b/clang-tools-extra/clangd/unittests/ParsedASTTests.cpp @@ -12,10 +12,7 @@ //===----------------------------------------------------------------------===// #include "../../clang-tidy/ClangTidyCheck.h" -#include "../../clang-tidy/ClangTidyModule.h" -#include "../../clang-tidy/ClangTidyModuleRegistry.h" #include "AST.h" -#include "CompileCommands.h" #include "Compiler.h" #include "Config.h" #include "Diagnostics.h" @@ -32,7 +29,6 @@ #include "clang/Basic/SourceLocation.h" #include "clang/Basic/SourceManager.h" #include "clang/Basic/TokenKinds.h" -#include "clang/Lex/PPCallbacks.h" #include "clang/Tooling/Syntax/Tokens.h" #include "llvm/ADT/StringRef.h" #include "llvm/Testing/Annotations/Annotations.h" @@ -41,6 +37,7 @@ #include "gmock/gmock.h" #include "gtest/gtest.h" #include +#include #include #include @@ -347,9 +344,8 @@ TEST(ParsedASTTest, CollectsMainFileMacroExpansions) { } for (const auto &R : AST.getMacros().UnknownMacros) MacroExpansionPositions.push_back(R.StartOffset); - EXPECT_THAT( - MacroExpansionPositions, - testing::UnorderedElementsAreArray(TestCase.points())); + EXPECT_THAT(MacroExpansionPositions, + testing::UnorderedElementsAreArray(TestCase.points())); } MATCHER_P(withFileName, Inc, "") { return arg.FileName == Inc; } @@ -768,6 +764,35 @@ main: << "Should not try to build AST for assembly source file"; } +TEST(ParsedASTTest, PreambleWithDifferentTarget) { + constexpr std::string_view kPreambleTarget = "x86_64"; + // Specifically picking __builtin_va_list as it triggers crashes when + // switching to wasm. + // It's due to different predefined types in different targets. + auto TU = TestTU::withHeaderCode("void foo(__builtin_va_list);"); + TU.Code = "void bar() { foo(2); }"; + TU.ExtraArgs.emplace_back("-target"); + TU.ExtraArgs.emplace_back(kPreambleTarget); + const auto Preamble = TU.preamble(); + + // Switch target to wasm. + TU.ExtraArgs.pop_back(); + TU.ExtraArgs.emplace_back("wasm32"); + + IgnoreDiagnostics Diags; + MockFS FS; + auto Inputs = TU.inputs(FS); + auto CI = buildCompilerInvocation(Inputs, Diags); + ASSERT_TRUE(CI) << "Failed to build compiler invocation"; + + auto AST = ParsedAST::build(testPath(TU.Filename), std::move(Inputs), + std::move(CI), {}, Preamble); + + ASSERT_TRUE(AST); + // We use the target from preamble, not with the most-recent flags. + EXPECT_EQ(AST->getASTContext().getTargetInfo().getTriple().getArchName(), + llvm::StringRef(kPreambleTarget)); +} } // namespace } // namespace clangd } // namespace clang diff --git a/clang-tools-extra/clangd/unittests/SemanticHighlightingTests.cpp b/clang-tools-extra/clangd/unittests/SemanticHighlightingTests.cpp index 4156921d83edf8e89484c9a5a449db7b8bc32e6c..30b9b1902aa9c72c6b97b1fab360302d1ccf725d 100644 --- a/clang-tools-extra/clangd/unittests/SemanticHighlightingTests.cpp +++ b/clang-tools-extra/clangd/unittests/SemanticHighlightingTests.cpp @@ -621,7 +621,7 @@ sizeof...($TemplateParameter[[Elements]]); struct $Class_def[[Foo]] { int $Field_decl[[Waldo]]; void $Method_def[[bar]]() { - $Class[[Foo]]().$Field_dependentName[[Waldo]]; + $Class[[Foo]]().$Field[[Waldo]]; } template $Bracket[[<]]typename $TemplateParameter_def[[U]]$Bracket[[>]] void $Method_def[[bar1]]() { diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst index 7095c564444fe68e4845185ec4f977b8cea89d84..3038d2b125f20d9364f413df0be4ab53a5fa05b0 100644 --- a/clang-tools-extra/docs/ReleaseNotes.rst +++ b/clang-tools-extra/docs/ReleaseNotes.rst @@ -100,9 +100,16 @@ Improvements to clang-tidy - Improved :program:`run-clang-tidy.py` script. Added argument `-source-filter` to filter source files from the compilation database, via a RegEx. In a similar fashion to what `-header-filter` does for header files. + - Improved :program:`check_clang_tidy.py` script. Added argument `-export-fixes` to aid in clang-tidy and test development. +- Fixed bug where big values for unsigned check options overflowed into negative values + when being printed with `--dump-config`. + +- Fixed `--verify-config` option not properly parsing checks when using the + literal operator in the `.clang-tidy` config. + New checks ^^^^^^^^^^ @@ -112,6 +119,13 @@ New checks Detects error-prone Curiously Recurring Template Pattern usage, when the CRTP can be constructed outside itself and the derived class. +- New :doc:`bugprone-return-const-ref-from-parameter + ` check. + + Detects return statements that return a constant reference parameter as constant + reference. This may cause use-after-free errors if the caller uses xvalues as + arguments. + - New :doc:`bugprone-suspicious-stringview-data-usage ` check. @@ -119,6 +133,12 @@ New checks to reading out-of-bounds data due to inadequate or incorrect string null termination. +- New :doc:`modernize-min-max-use-initializer-list + ` check. + + Replaces nested ``std::min`` and ``std::max`` calls with an initializer list + where applicable. + - New :doc:`modernize-use-designated-initializers ` check. @@ -131,6 +151,12 @@ New checks Enforces consistent style for enumerators' initialization, covering three styles: none, first only, or all initialized explicitly. +- New :doc:`readability-math-missing-parentheses + ` check. + + Check for missing parentheses in mathematical expressions that involve + operators of different priorities. + - New :doc:`readability-use-std-min-max ` check. @@ -147,10 +173,18 @@ Changes in existing checks ` check by detecting side effect from calling a method with non-const reference parameters. +- Improved :doc:`bugprone-forwarding-reference-overload + ` + check to ignore deleted constructors which won't hide other overloads. + - Improved :doc:`bugprone-inc-dec-in-conditions ` check to ignore code within unevaluated contexts, such as ``decltype``. +- Improved :doc:`bugprone-lambda-function-name` + check by ignoring ``__func__`` macro in lambda captures, initializers of + default parameters and nested function declarations. + - Improved :doc:`bugprone-non-zero-enum-to-bool-conversion ` check by eliminating false positives resulting from direct usage of bitwise operators @@ -204,7 +238,7 @@ Changes in existing checks - Improved :doc:`google-explicit-constructor ` check to better handle - ``C++-20`` `explicit(bool)`. + C++20 `explicit(bool)`. - Improved :doc:`google-global-names-in-headers ` check by replacing the local @@ -217,6 +251,10 @@ Changes in existing checks check by ignoring other functions with same prefixes as the target specific functions. +- Improved :doc:`linuxkernel-must-check-errs + ` check documentation to + consistently use the check's proper name. + - Improved :doc:`llvm-header-guard ` check by replacing the local option `HeaderFileExtensions` by the global option of the same name. @@ -249,10 +287,18 @@ Changes in existing checks don't remove parentheses used in ``sizeof`` calls when they have array index accesses as arguments. +- Improved :doc:`modernize-use-nullptr + ` check to include support for C23, + which also has introduced the ``nullptr`` keyword. + - Improved :doc:`modernize-use-override ` check to also remove any trailing whitespace when deleting the ``virtual`` keyword. +- Improved :doc:`modernize-use-starts-ends-with + ` check to also handle + calls to ``compare`` method. + - Improved :doc:`modernize-use-using ` check by adding support for detection of typedefs declared on function level. @@ -300,13 +346,9 @@ Miscellaneous ^^^^^^^^^^^^^ - Fixed incorrect formatting in :program:`clang-apply-replacements` when no - ``--format`` option is specified. Now :program:`clang-apply-replacements` + `--format` option is specified. Now :program:`clang-apply-replacements` applies formatting only with the option. -- Fixed the :doc:`linuxkernel-must-check-errs - ` documentation to consistently - use the check's proper name. - Improvements to include-fixer ----------------------------- diff --git a/clang-tools-extra/docs/clang-tidy/checks/bugprone/return-const-ref-from-parameter.rst b/clang-tools-extra/docs/clang-tidy/checks/bugprone/return-const-ref-from-parameter.rst new file mode 100644 index 0000000000000000000000000000000000000000..f007dfe5499908d261e0939c21ff9412e3499656 --- /dev/null +++ b/clang-tools-extra/docs/clang-tidy/checks/bugprone/return-const-ref-from-parameter.rst @@ -0,0 +1,31 @@ +.. title:: clang-tidy - bugprone-return-const-ref-from-parameter + +bugprone-return-const-ref-from-parameter +======================================== + +Detects return statements that return a constant reference parameter as constant +reference. This may cause use-after-free errors if the caller uses xvalues as +arguments. + +In C++, constant reference parameters can accept xvalues which will be destructed +after the call. When the function returns such a parameter also as constant reference, +then the returned reference can be used after the object it refers to has been +destroyed. + +Example +------- + +.. code-block:: c++ + + struct S { + int v; + S(int); + ~S(); + }; + + const S &fn(const S &a) { + return a; + } + + const S& s = fn(S{1}); + s.v; // use after free diff --git a/clang-tools-extra/docs/clang-tidy/checks/cert/env33-c.rst b/clang-tools-extra/docs/clang-tidy/checks/cert/env33-c.rst index c5321b07f7f84d537f92381b72ff1a1d94e67640..9271c9ecccc00c7e223f56c82334e702eeca4fdb 100644 --- a/clang-tools-extra/docs/clang-tidy/checks/cert/env33-c.rst +++ b/clang-tools-extra/docs/clang-tidy/checks/cert/env33-c.rst @@ -10,4 +10,4 @@ but does not actually attempt to execute a command. This check corresponds to the CERT C Coding Standard rule `ENV33-C. Do not call system() -`_. +`_. diff --git a/clang-tools-extra/docs/clang-tidy/checks/list.rst b/clang-tools-extra/docs/clang-tidy/checks/list.rst index 8bc46acad56c8416ba8fad3bf592be0fc021e20e..49747ff896ba5c6f8556af99a0993090328e406b 100644 --- a/clang-tools-extra/docs/clang-tidy/checks/list.rst +++ b/clang-tools-extra/docs/clang-tidy/checks/list.rst @@ -120,6 +120,7 @@ Clang-Tidy Checks :doc:`bugprone-posix-return `, "Yes" :doc:`bugprone-redundant-branch-condition `, "Yes" :doc:`bugprone-reserved-identifier `, "Yes" + :doc:`bugprone-return-const-ref-from-parameter ` :doc:`bugprone-shared-ptr-array-mismatch `, "Yes" :doc:`bugprone-signal-handler `, :doc:`bugprone-signed-char-misuse `, @@ -275,6 +276,7 @@ Clang-Tidy Checks :doc:`modernize-macro-to-enum `, "Yes" :doc:`modernize-make-shared `, "Yes" :doc:`modernize-make-unique `, "Yes" + :doc:`modernize-min-max-use-initializer-list `, "Yes" :doc:`modernize-pass-by-value `, "Yes" :doc:`modernize-raw-string-literal `, "Yes" :doc:`modernize-redundant-void-arg `, "Yes" @@ -341,9 +343,9 @@ Clang-Tidy Checks :doc:`portability-std-allocator-const `, :doc:`readability-avoid-const-params-in-decls `, "Yes" :doc:`readability-avoid-nested-conditional-operator `, - :doc:`readability-avoid-return-with-void-value `, + :doc:`readability-avoid-return-with-void-value `, "Yes" :doc:`readability-avoid-unconditional-preprocessor-if `, - :doc:`readability-braces-around-statements `, "Yes" + :doc:`readability-braces-around-statements `, :doc:`readability-const-return-type `, "Yes" :doc:`readability-container-contains `, "Yes" :doc:`readability-container-data-pointer `, "Yes" @@ -362,6 +364,7 @@ Clang-Tidy Checks :doc:`readability-isolate-declaration `, "Yes" :doc:`readability-magic-numbers `, :doc:`readability-make-member-function-const `, "Yes" + :doc:`readability-math-missing-parentheses `, "Yes" :doc:`readability-misleading-indentation `, :doc:`readability-misplaced-array-index `, "Yes" :doc:`readability-named-parameter `, "Yes" @@ -529,12 +532,12 @@ Clang-Tidy Checks :doc:`cppcoreguidelines-non-private-member-variables-in-classes `, :doc:`misc-non-private-member-variables-in-classes `, :doc:`cppcoreguidelines-use-default-member-init `, :doc:`modernize-use-default-member-init `, "Yes" :doc:`fuchsia-header-anon-namespaces `, :doc:`google-build-namespaces `, - :doc:`google-readability-braces-around-statements `, :doc:`readability-braces-around-statements `, "Yes" + :doc:`google-readability-braces-around-statements `, :doc:`readability-braces-around-statements `, :doc:`google-readability-function-size `, :doc:`readability-function-size `, :doc:`google-readability-namespace-comments `, :doc:`llvm-namespace-comment `, :doc:`hicpp-avoid-c-arrays `, :doc:`modernize-avoid-c-arrays `, :doc:`hicpp-avoid-goto `, :doc:`cppcoreguidelines-avoid-goto `, - :doc:`hicpp-braces-around-statements `, :doc:`readability-braces-around-statements `, "Yes" + :doc:`hicpp-braces-around-statements `, :doc:`readability-braces-around-statements `, :doc:`hicpp-deprecated-headers `, :doc:`modernize-deprecated-headers `, "Yes" :doc:`hicpp-explicit-conversions `, :doc:`google-explicit-constructor `, "Yes" :doc:`hicpp-function-size `, :doc:`readability-function-size `, diff --git a/clang-tools-extra/docs/clang-tidy/checks/modernize/min-max-use-initializer-list.rst b/clang-tools-extra/docs/clang-tidy/checks/modernize/min-max-use-initializer-list.rst new file mode 100644 index 0000000000000000000000000000000000000000..d6721a25629b05c71e5e5197de98d9ec7964c38a --- /dev/null +++ b/clang-tools-extra/docs/clang-tidy/checks/modernize/min-max-use-initializer-list.rst @@ -0,0 +1,50 @@ +.. title:: clang-tidy - modernize-min-max-use-initializer-list + +modernize-min-max-use-initializer-list +====================================== + +Replaces nested ``std::min`` and ``std::max`` calls with an initializer list +where applicable. + +For instance, consider the following code: + +.. code-block:: cpp + + int a = std::max(std::max(i, j), k); + +The check will transform the above code to: + +.. code-block:: cpp + + int a = std::max({i, j, k}); + +Performance Considerations +========================== + +While this check simplifies the code and makes it more readable, it may cause +performance degradation for non-trivial types due to the need to copy objects +into the initializer list. + +To avoid this, it is recommended to use `std::ref` or `std::cref` for +non-trivial types: + +.. code-block:: cpp + + std::string b = std::max({std::ref(i), std::ref(j), std::ref(k)}); + +Options +======= + +.. option:: IncludeStyle + + A string specifying which include-style is used, `llvm` or `google`. Default + is `llvm`. + +.. option:: IgnoreNonTrivialTypes + + A boolean specifying whether to ignore non-trivial types. Default is `true`. + +.. option:: IgnoreTrivialTypesOfSizeAbove + + An integer specifying the size (in bytes) above which trivial types are + ignored. Default is `32`. \ No newline at end of file diff --git a/clang-tools-extra/docs/clang-tidy/checks/modernize/use-nullptr.rst b/clang-tools-extra/docs/clang-tidy/checks/modernize/use-nullptr.rst index 5e1ba858adf3a9c42e20f8334781cd8dc6c2aab7..25e17fee0a3d6106cc83e86297ea8541990802c0 100644 --- a/clang-tools-extra/docs/clang-tidy/checks/modernize/use-nullptr.rst +++ b/clang-tools-extra/docs/clang-tidy/checks/modernize/use-nullptr.rst @@ -4,7 +4,7 @@ modernize-use-nullptr ===================== The check converts the usage of null pointer constants (e.g. ``NULL``, ``0``) -to use the new C++11 ``nullptr`` keyword. +to use the new C++11 and C23 ``nullptr`` keyword. Example ------- diff --git a/clang-tools-extra/docs/clang-tidy/checks/modernize/use-starts-ends-with.rst b/clang-tools-extra/docs/clang-tidy/checks/modernize/use-starts-ends-with.rst index 7f8a262d2ab3aac9f4e13064062f584ea5d1460e..34237ede30a30b51f4c35703d7a2151171c356c4 100644 --- a/clang-tools-extra/docs/clang-tidy/checks/modernize/use-starts-ends-with.rst +++ b/clang-tools-extra/docs/clang-tidy/checks/modernize/use-starts-ends-with.rst @@ -3,15 +3,16 @@ modernize-use-starts-ends-with ============================== -Checks whether a ``find`` or ``rfind`` result is compared with 0 and suggests -replacing with ``starts_with`` when the method exists in the class. Notably, -this will work with ``std::string`` and ``std::string_view``. +Checks for common roundabout ways to express ``starts_with`` and ``ends_with`` +and suggests replacing with ``starts_with`` when the method is available. +Notably, this will work with ``std::string`` and ``std::string_view``. .. code-block:: c++ std::string s = "..."; if (s.find("prefix") == 0) { /* do something */ } if (s.rfind("prefix", 0) == 0) { /* do something */ } + if (s.compare(0, strlen("prefix"), "prefix") == 0) { /* do something */ } becomes @@ -20,3 +21,4 @@ becomes std::string s = "..."; if (s.starts_with("prefix")) { /* do something */ } if (s.starts_with("prefix")) { /* do something */ } + if (s.starts_with("prefix")) { /* do something */ } diff --git a/clang-tools-extra/docs/clang-tidy/checks/readability/math-missing-parentheses.rst b/clang-tools-extra/docs/clang-tidy/checks/readability/math-missing-parentheses.rst new file mode 100644 index 0000000000000000000000000000000000000000..21d66daab334c60d4b1cc6e1122ff75cab9b15e1 --- /dev/null +++ b/clang-tools-extra/docs/clang-tidy/checks/readability/math-missing-parentheses.rst @@ -0,0 +1,27 @@ +.. title:: clang-tidy - readability-math-missing-parentheses + +readability-math-missing-parentheses +==================================== + +Check for missing parentheses in mathematical expressions that involve operators +of different priorities. + +Parentheses in mathematical expressions clarify the order +of operations, especially with different-priority operators. Lengthy or multiline +expressions can obscure this order, leading to coding errors. IDEs can aid clarity +by highlighting parentheses. Explicitly using parentheses also clarifies what the +developer had in mind when writing the expression. Ensuring their presence reduces +ambiguity and errors, promoting clearer and more maintainable code. + +Before: + +.. code-block:: c++ + + int x = 1 + 2 * 3 - 4 / 5; + + +After: + +.. code-block:: c++ + + int x = 1 + (2 * 3) - (4 / 5); \ No newline at end of file diff --git a/clang-tools-extra/test/clang-tidy/checkers/Inputs/Headers/string b/clang-tools-extra/test/clang-tidy/checkers/Inputs/Headers/string index 28e2b4a231e52edbb3697d2e5c76d513c3062089..d031f27beb9dfef99d61b44bff19a6dc8e1a885f 100644 --- a/clang-tools-extra/test/clang-tidy/checkers/Inputs/Headers/string +++ b/clang-tools-extra/test/clang-tidy/checkers/Inputs/Headers/string @@ -44,6 +44,8 @@ struct basic_string { int compare(const C* s) const; int compare(size_type pos, size_type len, const _Type&) const; int compare(size_type pos, size_type len, const C* s) const; + template + int compare(size_type pos1, size_type count1, const StringViewLike& t) const; size_type find(const _Type& str, size_type pos = 0) const; size_type find(const C* s, size_type pos = 0) const; @@ -129,6 +131,8 @@ bool operator!=(const char*, const std::string&); bool operator==(const std::wstring&, const std::wstring&); bool operator==(const std::wstring&, const wchar_t*); bool operator==(const wchar_t*, const std::wstring&); + +size_t strlen(const char* str); } #endif // _STRING_ diff --git a/clang-tools-extra/test/clang-tidy/checkers/Inputs/Headers/string.h b/clang-tools-extra/test/clang-tidy/checkers/Inputs/Headers/string.h index 4ab7e930e4b5067f1b87529a5a9b3378a4bb59eb..af205868059a82aa0b34a4bf908538a6d71caad4 100644 --- a/clang-tools-extra/test/clang-tidy/checkers/Inputs/Headers/string.h +++ b/clang-tools-extra/test/clang-tidy/checkers/Inputs/Headers/string.h @@ -12,5 +12,6 @@ #include "stddef.h" void *memcpy(void *dest, const void *src, size_t n); +size_t strlen(const char* str); #endif // _STRING_H_ diff --git a/clang-tools-extra/test/clang-tidy/checkers/abseil/redundant-strcat-calls.cpp b/clang-tools-extra/test/clang-tidy/checkers/abseil/redundant-strcat-calls.cpp index ecd17bba293c5bf5eb524f310d376648e9f297de..dbd354b132e2ff4f46012dc4c1cf006e825d041d 100644 --- a/clang-tools-extra/test/clang-tidy/checkers/abseil/redundant-strcat-calls.cpp +++ b/clang-tools-extra/test/clang-tidy/checkers/abseil/redundant-strcat-calls.cpp @@ -1,8 +1,6 @@ // RUN: %check_clang_tidy %s abseil-redundant-strcat-calls %t -- -- -isystem %clang_tidy_headers #include -int strlen(const char *); - namespace absl { class string_view { diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/forwarding-reference-overload.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/forwarding-reference-overload.cpp index 38b0691bc9f1ecb8de9ddcc1f5fd1654d44739e1..92dfb718bb51b7bda177f254233b28856755e198 100644 --- a/clang-tools-extra/test/clang-tidy/checkers/bugprone/forwarding-reference-overload.cpp +++ b/clang-tools-extra/test/clang-tidy/checkers/bugprone/forwarding-reference-overload.cpp @@ -251,3 +251,13 @@ public: Test10(T &&Item, E e) : e(e){} }; + +// A deleted ctor cannot hide anything +class Test11 { +public: + template + Test11(T&&) = delete; + + Test11(const Test11 &) = default; + Test11(Test11 &&) = default; +}; diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/lambda-function-name.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/lambda-function-name.cpp index 936ee87a856cd2ff0c36856e81178be3ea916cfa..5c2bb5713239ce1b8a1d9117cf48d1f1e528667a 100644 --- a/clang-tools-extra/test/clang-tidy/checkers/bugprone/lambda-function-name.cpp +++ b/clang-tools-extra/test/clang-tidy/checkers/bugprone/lambda-function-name.cpp @@ -19,6 +19,22 @@ void Positives() { // CHECK-MESSAGES-NO-CONFIG: :[[@LINE-1]]:8: warning: inside a lambda, '__FUNCTION__' expands to the name of the function call operator; consider capturing the name of the enclosing function explicitly [bugprone-lambda-function-name] [] { EMBED_IN_ANOTHER_MACRO1; }(); // CHECK-MESSAGES-NO-CONFIG: :[[@LINE-1]]:8: warning: inside a lambda, '__func__' expands to the name of the function call operator; consider capturing the name of the enclosing function explicitly [bugprone-lambda-function-name] + [] { + __func__; + // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: inside a lambda, '__func__' expands to the name of the function call operator; consider capturing the name of the enclosing function explicitly [bugprone-lambda-function-name] + struct S { + void f() { + __func__; + [] { + __func__; + // CHECK-MESSAGES: :[[@LINE-1]]:11: warning: inside a lambda, '__func__' expands to the name of the function call operator; consider capturing the name of the enclosing function explicitly [bugprone-lambda-function-name] + }(); + __func__; + } + }; + __func__; + // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: inside a lambda, '__func__' expands to the name of the function call operator; consider capturing the name of the enclosing function explicitly [bugprone-lambda-function-name] + }(); } #define FUNC_MACRO_WITH_FILE_AND_LINE Foo(__func__, __FILE__, __LINE__) @@ -40,4 +56,7 @@ void Negatives() { [] { FUNC_MACRO_WITH_FILE_AND_LINE; }(); [] { FUNCTION_MACRO_WITH_FILE_AND_LINE; }(); [] { EMBED_IN_ANOTHER_MACRO2; }(); + + [] (const char* func = __func__) { func; }(); + [func=__func__] { func; }(); } diff --git a/clang-tools-extra/test/clang-tidy/checkers/bugprone/return-const-ref-from-parameter.cpp b/clang-tools-extra/test/clang-tidy/checkers/bugprone/return-const-ref-from-parameter.cpp new file mode 100644 index 0000000000000000000000000000000000000000..a83a019ec7437da6ccda446b20af87f0639ee303 --- /dev/null +++ b/clang-tools-extra/test/clang-tidy/checkers/bugprone/return-const-ref-from-parameter.cpp @@ -0,0 +1,31 @@ +// RUN: %check_clang_tidy %s bugprone-return-const-ref-from-parameter %t + +using T = int; +using TConst = int const; +using TConstRef = int const&; + +namespace invalid { + +int const &f1(int const &a) { return a; } +// CHECK-MESSAGES: :[[@LINE-1]]:38: warning: returning a constant reference parameter + +int const &f2(T const &a) { return a; } +// CHECK-MESSAGES: :[[@LINE-1]]:36: warning: returning a constant reference parameter + +int const &f3(TConstRef a) { return a; } +// CHECK-MESSAGES: :[[@LINE-1]]:37: warning: returning a constant reference parameter + +int const &f4(TConst &a) { return a; } +// CHECK-MESSAGES: :[[@LINE-1]]:35: warning: returning a constant reference parameter + +} // namespace invalid + +namespace valid { + +int const &f1(int &a) { return a; } + +int const &f2(int &&a) { return a; } + +int f1(int const &a) { return a; } + +} // namespace valid diff --git a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/owning-memory.cpp b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/owning-memory.cpp index 574efe7bd91478de9c25ab92570c28eb292e0ef2..ae61b17ca14d206bc91342490d2df2e124506ffd 100644 --- a/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/owning-memory.cpp +++ b/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/owning-memory.cpp @@ -309,6 +309,8 @@ struct HeapArray { // Ok, since destruc HeapArray(HeapArray &&other) : _data(other._data), size(other.size) { // Ok other._data = nullptr; // Ok + // CHECK-NOTES: [[@LINE-1]]:5: warning: expected assignment source to be of type 'gsl::owner<>'; got 'std::nullptr_t' + // FIXME: This warning is emitted because an ImplicitCastExpr for the NullToPointer conversion isn't created for dependent types. other.size = 0; } diff --git a/clang-tools-extra/test/clang-tidy/checkers/modernize/min-max-use-initializer-list.cpp b/clang-tools-extra/test/clang-tidy/checkers/modernize/min-max-use-initializer-list.cpp new file mode 100644 index 0000000000000000000000000000000000000000..51ab9bda975f10baba00221fe02a6ab13f07ae90 --- /dev/null +++ b/clang-tools-extra/test/clang-tidy/checkers/modernize/min-max-use-initializer-list.cpp @@ -0,0 +1,305 @@ +// RUN: %check_clang_tidy %s modernize-min-max-use-initializer-list %t + +// CHECK-FIXES: #include +namespace utils { +template +T max(T a, T b) { + return (a < b) ? b : a; +} +} // namespace utils + +namespace std { +template< class T > +struct initializer_list { + initializer_list()=default; + initializer_list(T*,int){} + const T* begin() const {return nullptr;} + const T* end() const {return nullptr;} +}; + +template +ForwardIt min_element(ForwardIt first, ForwardIt last) +{ + if (first == last) + return last; + + ForwardIt smallest = first; + + while (++first != last) + if (*first < *smallest) + smallest = first; + + return smallest; +} + +template +ForwardIt min_element(ForwardIt first, ForwardIt last, Compare comp) +{ + if (first == last) + return last; + + ForwardIt smallest = first; + + while (++first != last) + if (comp(*first, *smallest)) + smallest = first; + + return smallest; +} + +template +ForwardIt max_element(ForwardIt first, ForwardIt last) +{ + if (first == last) + return last; + + ForwardIt largest = first; + + while (++first != last) + if (*largest < *first) + largest = first; + + return largest; +} + +template +ForwardIt max_element(ForwardIt first, ForwardIt last, Compare comp) +{ + if (first == last) + return last; + + ForwardIt largest = first; + + while(++first != last) + if (comp(*largest, *first)) + largest = first; + + return largest; +} + +template< class T > +const T& max( const T& a, const T& b ) { + return (a < b) ? b : a; +}; + +template< class T > +T max(std::initializer_list ilist) +{ + return *std::max_element(ilist.begin(), ilist.end()); +} + +template< class T, class Compare > +const T& max( const T& a, const T& b, Compare comp ) { + return (comp(a, b)) ? b : a; +}; + +template< class T, class Compare > +T max(std::initializer_list ilist, Compare comp) { + return *std::max_element(ilist.begin(), ilist.end(), comp); +}; + +template< class T > +const T& min( const T& a, const T& b ) { + return (b < a) ? b : a; +}; + +template< class T > +T min(std::initializer_list ilist) +{ + return *std::min_element(ilist.begin(), ilist.end()); +} + + +template< class T, class Compare > +const T& min( const T& a, const T& b, Compare comp ) { + return (comp(b, a)) ? b : a; +}; + +template< class T, class Compare > +T min(std::initializer_list ilist, Compare comp) { + return *std::min_element(ilist.begin(), ilist.end(), comp); +}; + +} // namespace std + +using namespace std; + +namespace { +bool fless_than(int a, int b) { +return a < b; +} + +bool fgreater_than(int a, int b) { +return a > b; +} +auto less_than = [](int a, int b) { return a < b; }; +auto greater_than = [](int a, int b) { return a > b; }; + +int max1 = std::max(1, std::max(2, 3)); +// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int max1 = std::max({1, 2, 3}); + +int min1 = std::min(1, std::min(2, 3)); +// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: do not use nested 'std::min' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int min1 = std::min({1, 2, 3}); + +int max2 = std::max(1, std::max(2, std::max(3, 4))); +// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int max2 = std::max({1, 2, 3, 4}); + +int max2b = std::max(std::max(std::max(1, 2), std::max(3, 4)), std::max(std::max(5, 6), std::max(7, 8))); +// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int max2b = std::max({1, 2, 3, 4, 5, 6, 7, 8}); + +int max2c = std::max(std::max(1, std::max(2, 3)), 4); +// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int max2c = std::max({1, 2, 3, 4}); + +int max2d = std::max(std::max({1, 2, 3}), 4); +// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int max2d = std::max({1, 2, 3, 4}); + + +int max2e = std::max(1, max(2, max(3, 4))); +// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int max2e = std::max({1, 2, 3, 4}); + +int min2 = std::min(1, std::min(2, std::min(3, 4))); +// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: do not use nested 'std::min' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int min2 = std::min({1, 2, 3, 4}); + +int max3 = std::max(std::max(4, 5), std::min(2, std::min(3, 1))); +// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-MESSAGES: :[[@LINE-2]]:37: warning: do not use nested 'std::min' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int max3 = std::max({4, 5, std::min({2, 3, 1})}); + +int min3 = std::min(std::min(4, 5), std::max(2, std::max(3, 1))); +// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: do not use nested 'std::min' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-MESSAGES: :[[@LINE-2]]:37: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int min3 = std::min({4, 5, std::max({2, 3, 1})}); + +int max4 = std::max(1, std::max(2, 3, greater_than), less_than); +// CHECK-FIXES: int max4 = std::max(1, std::max(2, 3, greater_than), less_than); + +int min4 = std::min(1, std::min(2, 3, greater_than), less_than); +// CHECK-FIXES: int min4 = std::min(1, std::min(2, 3, greater_than), less_than); + +int max5 = std::max(1, std::max(2, 3), less_than); +// CHECK-FIXES: int max5 = std::max(1, std::max(2, 3), less_than); + +int min5 = std::min(1, std::min(2, 3), less_than); +// CHECK-FIXES: int min5 = std::min(1, std::min(2, 3), less_than); + +int max6 = std::max(1, std::max(2, 3, greater_than), greater_than); +// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int max6 = std::max({1, 2, 3 }, greater_than); + +int min6 = std::min(1, std::min(2, 3, greater_than), greater_than); +// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: do not use nested 'std::min' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int min6 = std::min({1, 2, 3 }, greater_than); + +int max7 = std::max(1, std::max(2, 3, fless_than), fgreater_than); +// CHECK-FIXES: int max7 = std::max(1, std::max(2, 3, fless_than), fgreater_than); + +int min7 = std::min(1, std::min(2, 3, fless_than), fgreater_than); +// CHECK-FIXES: int min7 = std::min(1, std::min(2, 3, fless_than), fgreater_than); + +int max8 = std::max(1, std::max(2, 3, fless_than), less_than); +// CHECK-FIXES: int max8 = std::max(1, std::max(2, 3, fless_than), less_than) + +int min8 = std::min(1, std::min(2, 3, fless_than), less_than); +// CHECK-FIXES: int min8 = std::min(1, std::min(2, 3, fless_than), less_than); + +int max9 = std::max(1, std::max(2, 3, fless_than), fless_than); +// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int max9 = std::max({1, 2, 3 }, fless_than); + +int min9 = std::min(1, std::min(2, 3, fless_than), fless_than); +// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: do not use nested 'std::min' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int min9 = std::min({1, 2, 3 }, fless_than); + +int min10 = std::min(std::min(4, 5), std::max(2, utils::max(3, 1))); +// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: do not use nested 'std::min' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int min10 = std::min({4, 5, std::max(2, utils::max(3, 1))}); + +int max10 = std::max({std::max(1, 2), std::max({5, 6, 1}), 2, std::min({1, 2, 4})}); +// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int max10 = std::max({1, 2, 5, 6, 1, 2, std::min({1, 2, 4})}); + +int typecastTest = std::max(std::max(0U, 0.0f), 0); +// CHECK-MESSAGES: :[[@LINE-1]]:20: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int typecastTest = std::max({static_cast(0U), static_cast(0.0f), 0}); + +int typecastTest1 = std::max(std::max(0U, 0.0f), 0L); +// CHECK-MESSAGES: :[[@LINE-1]]:21: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int typecastTest1 = std::max({static_cast(0U), static_cast(0.0f), 0L}); + +int typecastTest2 = std::max(std::max(10U, 20.0f), 30); +// CHECK-MESSAGES: :[[@LINE-1]]:21: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int typecastTest2 = std::max({static_cast(10U), static_cast(20.0f), 30}); + +int typecastTest3 = std::max(std::max(0U, std::max(0.0f, 1.0f)), 0); +// CHECK-MESSAGES: :[[@LINE-1]]:21: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int typecastTest3 = std::max({static_cast(0U), static_cast(0.0f), static_cast(1.0f), 0}); + +#define max3f(a, b, c) std::max(a, std::max(b, c)) +// CHECK-FIXES: #define max3f(a, b, c) std::max(a, std::max(b, c)) + +#define value 4545 +int macroVarMax = std::max(value, std::max(1, 2)); +// CHECK-MESSAGES: :[[@LINE-1]]:19: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int macroVarMax = std::max({value, 1, 2}); + +#define value2 45U +int macroVarMax2 = std::max(1, std::max(value2, 2.0f)); +// CHECK-MESSAGES: :[[@LINE-1]]:20: warning: do not use nested 'std::max' calls, use an initializer list instead [modernize-min-max-use-initializer-list] +// CHECK-FIXES: int macroVarMax2 = std::max({1, static_cast(value2), static_cast(2.0f)}); + +// True-negative tests +int maxTN1 = std::max(1, 2); +// CHECK-FIXES: int maxTN1 = std::max(1, 2); + +int maxTN2 = std::max({1, 2, 3}); +// CHECK-FIXES: int maxTN2 = std::max({1, 2, 3}); + +int maxTN3 = std::max({1, 2, 3}, less_than); +// CHECK-FIXES: int maxTN3 = std::max({1, 2, 3}, less_than); + +// non-trivial types +struct A { + int a; + A(int a) : a(a) {} + bool operator<(const A &rhs) const { return a < rhs.a; } +}; + +A maxNT1 = std::max(A(1), A(2)); +// CHECK-FIXES: A maxNT1 = std::max(A(1), A(2)); + +A maxNT2 = std::max(A(1), std::max(A(2), A(3))); +// CHECK-FIXES: A maxNT2 = std::max(A(1), std::max(A(2), A(3))); + +A maxNT3 = std::max(A(1), std::max(A(2), A(3)), [](const A &lhs, const A &rhs) { return lhs.a < rhs.a; }); +// CHECK-FIXES: A maxNT3 = std::max(A(1), std::max(A(2), A(3)), [](const A &lhs, const A &rhs) { return lhs.a < rhs.a; }); + +// Trivial type with size greater than 32 +struct B { + // 9*4 = 36 bytes > 32 bytes + int a[9]; + + bool operator<(const B& rhs) const { + return a[0] < rhs.a[0]; + } +}; + +B maxTT1 = std::max(B(), B()); +// CHECK-FIXES: B maxTT1 = std::max(B(), B()); + +B maxTT2 = std::max(B(), std::max(B(), B())); +// CHECK-FIXES: B maxTT2 = std::max(B(), std::max(B(), B())); + +B maxTT3 = std::max(B(), std::max(B(), B()), [](const B &lhs, const B &rhs) { return lhs.a[0] < rhs.a[0]; }); +// CHECK-FIXES: B maxTT3 = std::max(B(), std::max(B(), B()), [](const B &lhs, const B &rhs) { return lhs.a[0] < rhs.a[0]; }); + + +} // namespace + diff --git a/clang-tools-extra/test/clang-tidy/checkers/modernize/use-equals-default-copy.cpp b/clang-tools-extra/test/clang-tidy/checkers/modernize/use-equals-default-copy.cpp index 559031cf4d9bda8ca15b547d19bd83d90af8e0da..4abb9c8555970ebdb76339df945512867c424bca 100644 --- a/clang-tools-extra/test/clang-tidy/checkers/modernize/use-equals-default-copy.cpp +++ b/clang-tools-extra/test/clang-tidy/checkers/modernize/use-equals-default-copy.cpp @@ -260,6 +260,8 @@ template struct Template { Template() = default; Template(const Template &Other) : Field(Other.Field) {} + // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use '= default' + // CHECK-FIXES: Template(const Template &Other) = default; Template &operator=(const Template &Other); void foo(const T &t); int Field; @@ -269,8 +271,12 @@ Template &Template::operator=(const Template &Other) { Field = Other.Field; return *this; } +// CHECK-MESSAGES: :[[@LINE-4]]:27: warning: use '= default' +// CHECK-FIXES: Template &Template::operator=(const Template &Other) = default; + Template T1; + // Dependent types. template struct DT1 { @@ -284,6 +290,9 @@ DT1 &DT1::operator=(const DT1 &Other) { Field = Other.Field; return *this; } +// CHECK-MESSAGES: :[[@LINE-4]]:17: warning: use '= default' +// CHECK-FIXES: DT1 &DT1::operator=(const DT1 &Other) = default; + DT1 Dt1; template @@ -303,6 +312,9 @@ DT2 &DT2::operator=(const DT2 &Other) { struct T { typedef int TT; }; +// CHECK-MESSAGES: :[[@LINE-8]]:17: warning: use '= default' +// CHECK-FIXES: DT2 &DT2::operator=(const DT2 &Other) = default; + DT2 Dt2; // Default arguments. diff --git a/clang-tools-extra/test/clang-tidy/checkers/modernize/use-nullptr-c23.c b/clang-tools-extra/test/clang-tidy/checkers/modernize/use-nullptr-c23.c new file mode 100644 index 0000000000000000000000000000000000000000..6fb879b91e41c1c5ee0ab97bc76bd8ce072cc2c1 --- /dev/null +++ b/clang-tools-extra/test/clang-tidy/checkers/modernize/use-nullptr-c23.c @@ -0,0 +1,139 @@ +// RUN: %check_clang_tidy %s modernize-use-nullptr %t -- -- -std=c23 + +#define NULL 0 + +void test_assignment() { + int *p1 = 0; + // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use nullptr [modernize-use-nullptr] + // CHECK-FIXES: int *p1 = nullptr; + p1 = 0; + // CHECK-MESSAGES: :[[@LINE-1]]:8: warning: use nullptr + // CHECK-FIXES: p1 = nullptr; + + int *p2 = NULL; + // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use nullptr + // CHECK-FIXES: int *p2 = nullptr; + + p2 = p1; + // CHECK-FIXES: p2 = p1; + + const int null = 0; + int *p3 = &null; + + p3 = NULL; + // CHECK-MESSAGES: :[[@LINE-1]]:8: warning: use nullptr + // CHECK-FIXES: p3 = nullptr; + + int *p4 = p3; + + int i1 = 0; + + int i2 = NULL; + + int i3 = null; + + int *p5, *p6, *p7; + p5 = p6 = p7 = NULL; + // CHECK-MESSAGES: :[[@LINE-1]]:18: warning: use nullptr + // CHECK-FIXES: p5 = p6 = p7 = nullptr; +} + +void test_function(int *p) {} + +void test_function_no_ptr_param(int i) {} + +void test_function_call() { + test_function(0); + // CHECK-MESSAGES: :[[@LINE-1]]:17: warning: use nullptr + // CHECK-FIXES: test_function(nullptr); + + test_function(NULL); + // CHECK-MESSAGES: :[[@LINE-1]]:17: warning: use nullptr + // CHECK-FIXES: test_function(nullptr); + + test_function_no_ptr_param(0); +} + +char *test_function_return1() { + return 0; + // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use nullptr + // CHECK-FIXES: return nullptr; +} + +void *test_function_return2() { + return NULL; + // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use nullptr + // CHECK-FIXES: return nullptr; +} + +int test_function_return4() { + return 0; +} + +int test_function_return5() { + return NULL; +} + +int *test_function_return_cast1() { + return(int)0; + // CHECK-MESSAGES: :[[@LINE-1]]:9: warning: use nullptr + // CHECK-FIXES: return nullptr; +} + +int *test_function_return_cast2() { +#define RET return + RET(int)0; + // CHECK-MESSAGES: :[[@LINE-1]]:6: warning: use nullptr + // CHECK-FIXES: RET nullptr; +#undef RET +} + +// Test parentheses expressions resulting in a nullptr. +int *test_parentheses_expression1() { + return(0); + // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use nullptr + // CHECK-FIXES: return(nullptr); +} + +int *test_parentheses_expression2() { + return((int)(0.0f)); + // CHECK-MESSAGES: :[[@LINE-1]]:10: warning: use nullptr + // CHECK-FIXES: return(nullptr); +} + +int *test_nested_parentheses_expression() { + return((((0)))); + // CHECK-MESSAGES: :[[@LINE-1]]:13: warning: use nullptr + // CHECK-FIXES: return((((nullptr)))); +} + +void test_const_pointers() { + const int *const_p1 = 0; + // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: use nullptr + // CHECK-FIXES: const int *const_p1 = nullptr; + const int *const_p2 = NULL; + // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: use nullptr + // CHECK-FIXES: const int *const_p2 = nullptr; + const int *const_p3 = (int)0; + // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: use nullptr + // CHECK-FIXES: const int *const_p3 = nullptr; + const int *const_p4 = (int)0.0f; + // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: use nullptr + // CHECK-FIXES: const int *const_p4 = nullptr; +} + +void test_nested_implicit_cast_expr() { + int func0(void*, void*); + int func1(int, void*, void*); + + (double)func1(0, 0, 0); + // CHECK-MESSAGES: :[[@LINE-1]]:20: warning: use nullptr + // CHECK-MESSAGES: :[[@LINE-2]]:23: warning: use nullptr + // CHECK-FIXES: (double)func1(0, nullptr, nullptr); + (double)func1(func0(0, 0), 0, 0); + // CHECK-MESSAGES: :[[@LINE-1]]:23: warning: use nullptr + // CHECK-MESSAGES: :[[@LINE-2]]:26: warning: use nullptr + // CHECK-MESSAGES: :[[@LINE-3]]:30: warning: use nullptr + // CHECK-MESSAGES: :[[@LINE-4]]:33: warning: use nullptr + // CHECK-FIXES: (double)func1(func0(nullptr, nullptr), nullptr, nullptr); +} diff --git a/clang-tools-extra/test/clang-tidy/checkers/modernize/use-nullptr.c b/clang-tools-extra/test/clang-tidy/checkers/modernize/use-nullptr.c index c2ccbbd81171526ba6447ca244cb85a98b3868ab..1218b837199c0c2dcc3f857ac63d7f83366141e2 100644 --- a/clang-tools-extra/test/clang-tidy/checkers/modernize/use-nullptr.c +++ b/clang-tools-extra/test/clang-tidy/checkers/modernize/use-nullptr.c @@ -1,4 +1,4 @@ -// RUN: clang-tidy %s -checks=-*,modernize-use-nullptr -- | count 0 +// RUN: clang-tidy %s -checks=-*,modernize-use-nullptr -- -std=c17 | count 0 // Note: this test expects no diagnostics, but FileCheck cannot handle that, // hence the use of | count 0. diff --git a/clang-tools-extra/test/clang-tidy/checkers/modernize/use-starts-ends-with.cpp b/clang-tools-extra/test/clang-tidy/checkers/modernize/use-starts-ends-with.cpp index 65ed9ed895bc4731e8c3fa8ab13ff0db11445ab8..c5b2c86befd1fec8c42c9f980367d07de51b4c69 100644 --- a/clang-tools-extra/test/clang-tidy/checkers/modernize/use-starts-ends-with.cpp +++ b/clang-tools-extra/test/clang-tidy/checkers/modernize/use-starts-ends-with.cpp @@ -1,6 +1,7 @@ // RUN: %check_clang_tidy -std=c++20 %s modernize-use-starts-ends-with %t -- \ // RUN: -- -isystem %clang_tidy_headers +#include #include std::string foo(std::string); @@ -158,10 +159,64 @@ void test(std::string s, std::string_view sv, sub_string ss, sub_sub_string sss, // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use startsWith // CHECK-FIXES: puvi.startsWith("a"); + s.compare(0, 1, "a") == 0; + // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use starts_with instead of compare() == 0 + // CHECK-FIXES: s.starts_with("a"); + + s.compare(0, 1, "a") != 0; + // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use starts_with instead of compare() != 0 + // CHECK-FIXES: !s.starts_with("a"); + + s.compare(0, strlen("a"), "a") == 0; + // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use starts_with + // CHECK-FIXES: s.starts_with("a"); + + s.compare(0, std::strlen("a"), "a") == 0; + // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use starts_with + // CHECK-FIXES: s.starts_with("a"); + + s.compare(0, std::strlen(("a")), "a") == 0; + // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use starts_with + // CHECK-FIXES: s.starts_with("a"); + + s.compare(0, std::strlen(("a")), (("a"))) == 0; + // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use starts_with + // CHECK-FIXES: s.starts_with("a"); + + s.compare(0, s.size(), s) == 0; + // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use starts_with + // CHECK-FIXES: s.starts_with(s); + + s.compare(0, s.length(), s) == 0; + // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use starts_with + // CHECK-FIXES: s.starts_with(s); + + 0 != s.compare(0, sv.length(), sv); + // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use starts_with + // CHECK-FIXES: s.starts_with(sv); + + #define LENGTH(x) (x).length() + s.compare(0, LENGTH(s), s) == 0; + // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use starts_with + // CHECK-FIXES: s.starts_with(s); + + s.compare(ZERO, LENGTH(s), s) == ZERO; + // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use starts_with + // CHECK-FIXES: s.starts_with(s); + + s.compare(ZERO, LENGTH(sv), sv) != 0; + // CHECK-MESSAGES: :[[@LINE-1]]:{{[0-9]+}}: warning: use starts_with + // CHECK-FIXES: !s.starts_with(sv); + // Expressions that don't trigger the check are here. #define EQ(x, y) ((x) == (y)) EQ(s.find("a"), 0); #define DOTFIND(x, y) (x).find(y) DOTFIND(s, "a") == 0; + + #define STARTS_WITH_COMPARE(x, y) (x).compare(0, (x).size(), (y)) + STARTS_WITH_COMPARE(s, s) == 0; + + s.compare(0, 1, "ab") == 0; } diff --git a/clang-tools-extra/test/clang-tidy/checkers/readability/math-missing-parentheses.cpp b/clang-tools-extra/test/clang-tidy/checkers/readability/math-missing-parentheses.cpp new file mode 100644 index 0000000000000000000000000000000000000000..a6045c079a4823bb0852e64e15a0d8853bd13bc7 --- /dev/null +++ b/clang-tools-extra/test/clang-tidy/checkers/readability/math-missing-parentheses.cpp @@ -0,0 +1,142 @@ +// RUN: %check_clang_tidy %s readability-math-missing-parentheses %t + +#define MACRO_AND & +#define MACRO_ADD + +#define MACRO_OR | +#define MACRO_MULTIPLY * +#define MACRO_XOR ^ +#define MACRO_SUBTRACT - +#define MACRO_DIVIDE / + +int foo(){ + return 5; +} + +int bar(){ + return 4; +} + +int sink(int); +#define FUN(ARG) (sink(ARG)) +#define FUN2(ARG) sink((ARG)) +#define FUN3(ARG) sink(ARG) +#define FUN4(ARG) sink(1 + ARG) +#define FUN5(ARG) sink(4 * ARG) + +class fun{ +public: + int A; + double B; + fun(){ + A = 5; + B = 5.4; + } +}; + +void f(){ + //CHECK-MESSAGES: :[[@LINE+2]]:17: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-FIXES: int a = 1 + (2 * 3); + int a = 1 + 2 * 3; + + int a_negative = 1 + (2 * 3); // No warning + + int b = 1 + 2 + 3; // No warning + + int c = 1 * 2 * 3; // No warning + + //CHECK-MESSAGES: :[[@LINE+3]]:17: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-MESSAGES: :[[@LINE+2]]:25: warning: '/' has higher precedence than '-'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-FIXES: int d = 1 + (2 * 3) - (4 / 5); + int d = 1 + 2 * 3 - 4 / 5; + + int d_negative = 1 + (2 * 3) - (4 / 5); // No warning + + //CHECK-MESSAGES: :[[@LINE+4]]:13: warning: '&' has higher precedence than '|'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-MESSAGES: :[[@LINE+3]]:17: warning: '+' has higher precedence than '&'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-MESSAGES: :[[@LINE+2]]:25: warning: '*' has higher precedence than '|'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-FIXES: int e = (1 & (2 + 3)) | (4 * 5); + int e = 1 & 2 + 3 | 4 * 5; + + int e_negative = (1 & (2 + 3)) | (4 * 5); // No warning + + //CHECK-MESSAGES: :[[@LINE+2]]:13: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-FIXES: int f = (1 * -2) + 4; + int f = 1 * -2 + 4; + + int f_negative = (1 * -2) + 4; // No warning + + //CHECK-MESSAGES: :[[@LINE+2]]:13: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-FIXES: int g = (1 * 2 * 3) + 4 + 5; + int g = 1 * 2 * 3 + 4 + 5; + + int g_negative = (1 * 2 * 3) + 4 + 5; // No warning + + //CHECK-MESSAGES: :[[@LINE+4]]:13: warning: '&' has higher precedence than '|'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-MESSAGES: :[[@LINE+3]]:19: warning: '+' has higher precedence than '&'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-MESSAGES: :[[@LINE+2]]:27: warning: '*' has higher precedence than '|'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-FIXES: int h = (120 & (2 + 3)) | (22 * 5); + int h = 120 & 2 + 3 | 22 * 5; + + int h_negative = (120 & (2 + 3)) | (22 * 5); // No warning + + int i = 1 & 2 & 3; // No warning + + int j = 1 | 2 | 3; // No warning + + int k = 1 ^ 2 ^ 3; // No warning + + //CHECK-MESSAGES: :[[@LINE+2]]:13: warning: '+' has higher precedence than '^'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-FIXES: int l = (1 + 2) ^ 3; + int l = 1 + 2 ^ 3; + + int l_negative = (1 + 2) ^ 3; // No warning + + //CHECK-MESSAGES: :[[@LINE+2]]:13: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-FIXES: int m = (2 * foo()) + bar(); + int m = 2 * foo() + bar(); + + int m_negative = (2 * foo()) + bar(); // No warning + + //CHECK-MESSAGES: :[[@LINE+2]]:13: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-FIXES: int n = (1.05 * foo()) + double(bar()); + int n = 1.05 * foo() + double(bar()); + + int n_negative = (1.05 * foo()) + double(bar()); // No warning + + //CHECK-MESSAGES: :[[@LINE+3]]:17: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-FIXES: int o = 1 + (obj.A * 3) + obj.B; + fun obj; + int o = 1 + obj.A * 3 + obj.B; + + int o_negative = 1 + (obj.A * 3) + obj.B; // No warning + + //CHECK-MESSAGES: :[[@LINE+2]]:18: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-FIXES: int p = 1U + (2 * 3); + int p = 1U + 2 * 3; + + int p_negative = 1U + (2 * 3); // No warning + + //CHECK-MESSAGES: :[[@LINE+7]]:13: warning: '+' has higher precedence than '|'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-MESSAGES: :[[@LINE+6]]:25: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-MESSAGES: :[[@LINE+5]]:53: warning: '&' has higher precedence than '^'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-MESSAGES: :[[@LINE+4]]:53: warning: '^' has higher precedence than '|'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-MESSAGES: :[[@LINE+3]]:77: warning: '-' has higher precedence than '^'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-MESSAGES: :[[@LINE+2]]:94: warning: '/' has higher precedence than '-'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + //CHECK-FIXES: int q = (1 MACRO_ADD (2 MACRO_MULTIPLY 3)) MACRO_OR ((4 MACRO_AND 5) MACRO_XOR (6 MACRO_SUBTRACT (7 MACRO_DIVIDE 8))); + int q = 1 MACRO_ADD 2 MACRO_MULTIPLY 3 MACRO_OR 4 MACRO_AND 5 MACRO_XOR 6 MACRO_SUBTRACT 7 MACRO_DIVIDE 8; // No warning + + //CHECK-MESSAGES: :[[@LINE+1]]:21: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + int r = FUN(0 + 1 * 2); + + //CHECK-MESSAGES: :[[@LINE+1]]:22: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + int s = FUN2(0 + 1 * 2); + + //CHECK-MESSAGES: :[[@LINE+1]]:22: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + int t = FUN3(0 + 1 * 2); + + //CHECK-MESSAGES: :[[@LINE+1]]:18: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + int u = FUN4(1 * 2); + + //CHECK-MESSAGES: :[[@LINE+1]]:13: warning: '*' has higher precedence than '+'; add parentheses to explicitly specify the order of operations [readability-math-missing-parentheses] + int v = FUN5(0 + 1); +} diff --git a/clang-tools-extra/test/clang-tidy/infrastructure/Inputs/config-files/5/.clang-tidy b/clang-tools-extra/test/clang-tidy/infrastructure/Inputs/config-files/5/.clang-tidy new file mode 100644 index 0000000000000000000000000000000000000000..e33f0f8bb33218a505055f5be62422aa3f1624a5 --- /dev/null +++ b/clang-tools-extra/test/clang-tidy/infrastructure/Inputs/config-files/5/.clang-tidy @@ -0,0 +1,4 @@ +InheritParentConfig: true +Checks: 'misc-throw-by-value-catch-by-reference' +CheckOptions: + misc-throw-by-value-catch-by-reference.MaxSize: '1152921504606846976' diff --git a/clang-tools-extra/test/clang-tidy/infrastructure/config-files.cpp b/clang-tools-extra/test/clang-tidy/infrastructure/config-files.cpp index ab4f3becb7a9fc5633b58716a28b517f9660967e..cb0f0bc4d133085e71d01dd9b96032f75166f887 100644 --- a/clang-tools-extra/test/clang-tidy/infrastructure/config-files.cpp +++ b/clang-tools-extra/test/clang-tidy/infrastructure/config-files.cpp @@ -64,3 +64,11 @@ // Validate that check options are printed in alphabetical order: // RUN: clang-tidy --checks="-*,readability-identifier-naming" --dump-config %S/Inputs/config-files/- -- | grep "readability-identifier-naming\." | sort --check + +// Dumped config does not overflow for unsigned options +// RUN: clang-tidy --dump-config \ +// RUN: --checks="-*,misc-throw-by-value-catch-by-reference" \ +// RUN: -- | grep -v -q "misc-throw-by-value-catch-by-reference.MaxSize: '-1'" + +// RUN: clang-tidy --dump-config %S/Inputs/config-files/5/- \ +// RUN: -- | grep -q "misc-throw-by-value-catch-by-reference.MaxSize: '1152921504606846976'" diff --git a/clang-tools-extra/test/clang-tidy/infrastructure/verify-config.cpp b/clang-tools-extra/test/clang-tidy/infrastructure/verify-config.cpp index 421f8641281acb2772c657bdf876acb507a7a7ad..3659285986482a998b02f6c593c71564faa7bd3c 100644 --- a/clang-tools-extra/test/clang-tidy/infrastructure/verify-config.cpp +++ b/clang-tools-extra/test/clang-tidy/infrastructure/verify-config.cpp @@ -18,3 +18,15 @@ // CHECK-VERIFY: command-line option '-checks': warning: check glob 'bad*glob' doesn't match any known check [-verify-config] // CHECK-VERIFY: command-line option '-checks': warning: unknown check 'llvm-includeorder'; did you mean 'llvm-include-order' [-verify-config] // CHECK-VERIFY: command-line option '-checks': warning: unknown check 'my-made-up-check' [-verify-config] + +// RUN: echo -e 'Checks: |\n bugprone-argument-comment\n bugprone-assert-side-effect,\n bugprone-bool-pointer-implicit-conversion\n readability-use-anyof*' > %T/MyClangTidyConfig +// RUN: clang-tidy -verify-config \ +// RUN: --config-file=%T/MyClangTidyConfig | FileCheck %s -check-prefix=CHECK-VERIFY-BLOCK-OK +// CHECK-VERIFY-BLOCK-OK: No config errors detected. + +// RUN: echo -e 'Checks: |\n bugprone-arguments-*\n bugprone-assert-side-effects\n bugprone-bool-pointer-implicit-conversion' > %T/MyClangTidyConfigBad +// RUN: not clang-tidy -verify-config \ +// RUN: --config-file=%T/MyClangTidyConfigBad 2>&1 | FileCheck %s -check-prefix=CHECK-VERIFY-BLOCK-BAD +// CHECK-VERIFY-BLOCK-BAD: command-line option '-config': warning: check glob 'bugprone-arguments-*' doesn't match any known check [-verify-config] +// CHECK-VERIFY-BLOCK-BAD: command-line option '-config': warning: unknown check 'bugprone-assert-side-effects'; did you mean 'bugprone-assert-side-effect' [-verify-config] + diff --git a/clang-tools-extra/test/pp-trace/pp-trace-pragma-general.cpp b/clang-tools-extra/test/pp-trace/pp-trace-pragma-general.cpp index f01ebd1ec67d7007bf3487191f5484056bc66b78..b16ec56e321bd29ba010900827624add4fb5da96 100644 --- a/clang-tools-extra/test/pp-trace/pp-trace-pragma-general.cpp +++ b/clang-tools-extra/test/pp-trace/pp-trace-pragma-general.cpp @@ -21,6 +21,12 @@ void foo() { // CHECK: --- // CHECK-NEXT: - Callback: PragmaDirective +// CHECK-NEXT: Loc: ":{{.+}}:1" +// CHECK-NEXT: Introducer: PIK_HashPragma +// CHECK-NEXT: - Callback: PragmaDirective +// CHECK-NEXT: Loc: ":{{.+}}:1" +// CHECK-NEXT: Introducer: PIK_HashPragma +// CHECK-NEXT: - Callback: PragmaDirective // CHECK-NEXT: Loc: "{{.*}}{{[/\\]}}pp-trace-pragma-general.cpp:3:1" // CHECK-NEXT: Introducer: PIK_HashPragma // CHECK-NEXT: - Callback: PragmaDiagnosticPush diff --git a/clang-tools-extra/test/pp-trace/pp-trace-pragma-ms.cpp b/clang-tools-extra/test/pp-trace/pp-trace-pragma-ms.cpp index 932b0eb93c90eb783b6eb0d1923ddaf5fafe23dd..f5bf9ac2b955dcd6f35a4a339c196394411bd66d 100644 --- a/clang-tools-extra/test/pp-trace/pp-trace-pragma-ms.cpp +++ b/clang-tools-extra/test/pp-trace/pp-trace-pragma-ms.cpp @@ -18,6 +18,12 @@ // CHECK: --- // CHECK-NEXT: - Callback: PragmaDirective +// CHECK-NEXT: Loc: ":{{.+}}:1" +// CHECK-NEXT: Introducer: PIK_HashPragma +// CHECK-NEXT: - Callback: PragmaDirective +// CHECK-NEXT: Loc: ":{{.+}}:1" +// CHECK-NEXT: Introducer: PIK_HashPragma +// CHECK-NEXT: - Callback: PragmaDirective // CHECK-NEXT: Loc: "{{.*}}{{[/\\]}}pp-trace-pragma-ms.cpp:3:1" // CHECK-NEXT: Introducer: PIK_HashPragma // CHECK-NEXT: - Callback: PragmaComment @@ -67,7 +73,7 @@ // CHECK-NEXT: Introducer: PIK_HashPragma // CHECK-NEXT: - Callback: PragmaMessage // CHECK-NEXT: Loc: "{{.*}}{{[/\\]}}pp-trace-pragma-ms.cpp:13:9" -// CHECK-NEXT: Namespace: +// CHECK-NEXT: Namespace: // CHECK-NEXT: Kind: PMK_Message // CHECK-NEXT: Str: message argument // CHECK-NEXT: - Callback: PragmaDirective diff --git a/clang-tools-extra/test/pp-trace/pp-trace-pragma-opencl.cpp b/clang-tools-extra/test/pp-trace/pp-trace-pragma-opencl.cpp index 31f61027994f768801b24750ea45caeae7cd9711..ed33d37eb3d596899cb0fd4f0f034fdc60ad4858 100644 --- a/clang-tools-extra/test/pp-trace/pp-trace-pragma-opencl.cpp +++ b/clang-tools-extra/test/pp-trace/pp-trace-pragma-opencl.cpp @@ -6,6 +6,12 @@ // CHECK: --- // CHECK-NEXT: - Callback: PragmaDirective +// CHECK-NEXT: Loc: ":{{.+}}:1" +// CHECK-NEXT: Introducer: PIK_HashPragma +// CHECK-NEXT: - Callback: PragmaDirective +// CHECK-NEXT: Loc: ":{{.+}}:1" +// CHECK-NEXT: Introducer: PIK_HashPragma +// CHECK-NEXT: - Callback: PragmaDirective // CHECK-NEXT: Loc: "{{.*}}{{[/\\]}}pp-trace-pragma-opencl.cpp:3:1" // CHECK-NEXT: Introducer: PIK_HashPragma // CHECK-NEXT: - Callback: PragmaOpenCLExtension diff --git a/clang/CMakeLists.txt b/clang/CMakeLists.txt index f092766fa19f07f754960ec9524078d6b65070d4..cf97e3c6e851aee92dd5378b85515304fc875999 100644 --- a/clang/CMakeLists.txt +++ b/clang/CMakeLists.txt @@ -166,6 +166,10 @@ if(CLANG_ENABLE_LIBXML2) endif() if(CLANG_ENABLE_CIR) + if (CLANG_BUILT_STANDALONE) + message(FATAL_ERROR + "ClangIR is not yet supported in the standalone build.") + endif() if (NOT "${LLVM_ENABLE_PROJECTS}" MATCHES "MLIR|mlir") message(FATAL_ERROR "Cannot build ClangIR without MLIR in LLVM_ENABLE_PROJECTS") diff --git a/clang/cmake/caches/Apple-stage2.cmake b/clang/cmake/caches/Apple-stage2.cmake index ede256a2da6b8fd6864bd8584aeddf5126dd5bb9..e919c56739679ebc5e8193e8a1f06e65fc4b1376 100644 --- a/clang/cmake/caches/Apple-stage2.cmake +++ b/clang/cmake/caches/Apple-stage2.cmake @@ -16,6 +16,7 @@ set(LLVM_ENABLE_BACKTRACES OFF CACHE BOOL "") set(LLVM_ENABLE_MODULES ON CACHE BOOL "") set(LLVM_EXTERNALIZE_DEBUGINFO ON CACHE BOOL "") set(LLVM_ENABLE_EXPORTED_SYMBOLS_IN_EXECUTABLES OFF CACHE BOOL "") +set(LLVM_PLUGIN_SUPPORT OFF CACHE BOOL "") set(CLANG_PLUGIN_SUPPORT OFF CACHE BOOL "") set(CLANG_SPAWN_CC1 ON CACHE BOOL "") set(BUG_REPORT_URL "http://developer.apple.com/bugreporter/" CACHE STRING "") diff --git a/clang/cmake/caches/Fuchsia.cmake b/clang/cmake/caches/Fuchsia.cmake index 393d97a4cf1a3302db9be62d1982d0f485d52a3b..30a3b9116a461f3f65d2bfdfab0f5aaecccc2e6c 100644 --- a/clang/cmake/caches/Fuchsia.cmake +++ b/clang/cmake/caches/Fuchsia.cmake @@ -65,7 +65,6 @@ set(_FUCHSIA_BOOTSTRAP_PASSTHROUGH LLDB_EMBED_PYTHON_HOME LLDB_PYTHON_HOME LLDB_PYTHON_RELATIVE_PATH - LLDB_TEST_USE_VENDOR_PACKAGES LLDB_TEST_USER_ARGS Python3_EXECUTABLE Python3_LIBRARIES diff --git a/clang/cmake/caches/Release.cmake b/clang/cmake/caches/Release.cmake index bd1f688d61a7ea2aaa475aaec7d6a0970c12139f..c0bfcbdfc1c2ae6cb32edfcb26e376baa1dd2641 100644 --- a/clang/cmake/caches/Release.cmake +++ b/clang/cmake/caches/Release.cmake @@ -1,93 +1,94 @@ # Plain options configure the first build. # BOOTSTRAP_* options configure the second build. # BOOTSTRAP_BOOTSTRAP_* options configure the third build. +# PGO Builds have 3 stages (stage1, stage2-instrumented, stage2) +# non-PGO Builds have 2 stages (stage1, stage2) -# General Options + +function (set_final_stage_var name value type) + if (LLVM_RELEASE_ENABLE_PGO) + set(BOOTSTRAP_BOOTSTRAP_${name} ${value} CACHE ${type} "") + else() + set(BOOTSTRAP_${name} ${value} CACHE ${type} "") + endif() +endfunction() + +function (set_instrument_and_final_stage_var name value type) + # This sets the varaible for the final stage in non-PGO builds and in + # the stage2-instrumented stage for PGO builds. + set(BOOTSTRAP_${name} ${value} CACHE ${type} "") + if (LLVM_RELEASE_ENABLE_PGO) + # Set the variable in the final stage for PGO builds. + set(BOOTSTRAP_BOOTSTRAP_${name} ${value} CACHE ${type} "") + endif() +endfunction() + +# General Options: +# If you want to override any of the LLVM_RELEASE_* variables you can set them +# on the command line via -D, but you need to do this before you pass this +# cache file to CMake via -C. e.g. +# +# cmake -D LLVM_RELEASE_ENABLE_PGO=ON -C Release.cmake set(LLVM_RELEASE_ENABLE_LTO THIN CACHE STRING "") set(LLVM_RELEASE_ENABLE_PGO OFF CACHE BOOL "") - +set(LLVM_RELEASE_ENABLE_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind" CACHE STRING "") +set(LLVM_RELEASE_ENABLE_PROJECTS "clang;lld;lldb;clang-tools-extra;bolt;polly;mlir;flang" CACHE STRING "") +# Note we don't need to add install here, since it is one of the pre-defined +# steps. +set(LLVM_RELEASE_FINAL_STAGE_TARGETS "clang;package;check-all;check-llvm;check-clang" CACHE STRING "") set(CMAKE_BUILD_TYPE RELEASE CACHE STRING "") -# Stage 1 Bootstrap Setup +# Stage 1 Options +set(LLVM_TARGETS_TO_BUILD Native CACHE STRING "") set(CLANG_ENABLE_BOOTSTRAP ON CACHE BOOL "") + +set(STAGE1_PROJECTS "clang") +set(STAGE1_RUNTIMES "") + if (LLVM_RELEASE_ENABLE_PGO) + list(APPEND STAGE1_PROJECTS "lld") + list(APPEND STAGE1_RUNTIMES "compiler-rt") set(CLANG_BOOTSTRAP_TARGETS generate-profdata - stage2 + stage2-package stage2-clang - stage2-distribution stage2-install - stage2-install-distribution - stage2-install-distribution-toolchain stage2-check-all stage2-check-llvm - stage2-check-clang - stage2-test-suite CACHE STRING "") -else() - set(CLANG_BOOTSTRAP_TARGETS - clang - check-all - check-llvm - check-clang - test-suite - stage3 - stage3-clang - stage3-check-all - stage3-check-llvm - stage3-check-clang - stage3-install - stage3-test-suite CACHE STRING "") -endif() + stage2-check-clang CACHE STRING "") -# Stage 1 Options -set(STAGE1_PROJECTS "clang") -set(STAGE1_RUNTIMES "") + # Configuration for stage2-instrumented + set(BOOTSTRAP_CLANG_ENABLE_BOOTSTRAP ON CACHE STRING "") + # This enables the build targets for the final stage which is called stage2. + set(BOOTSTRAP_CLANG_BOOTSTRAP_TARGETS ${LLVM_RELEASE_FINAL_STAGE_TARGETS} CACHE STRING "") + set(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED IR CACHE STRING "") + set(BOOTSTRAP_LLVM_ENABLE_RUNTIMES "compiler-rt" CACHE STRING "") + set(BOOTSTRAP_LLVM_ENABLE_PROJECTS "clang;lld" CACHE STRING "") -if (LLVM_RELEASE_ENABLE_PGO) - list(APPEND STAGE1_PROJECTS "lld") - list(APPEND STAGE1_RUNTIMES "compiler-rt") +else() + if (LLVM_RELEASE_ENABLE_LTO) + list(APPEND STAGE1_PROJECTS "lld") + endif() + # Any targets added here will be given the target name stage2-${target}, so + # if you want to run them you can just use: + # ninja -C $BUILDDIR stage2-${target} + set(CLANG_BOOTSTRAP_TARGETS ${LLVM_RELEASE_FINAL_STAGE_TARGETS} CACHE STRING "") endif() +# Stage 1 Common Config set(LLVM_ENABLE_RUNTIMES ${STAGE1_RUNTIMES} CACHE STRING "") set(LLVM_ENABLE_PROJECTS ${STAGE1_PROJECTS} CACHE STRING "") -set(LLVM_TARGETS_TO_BUILD Native CACHE STRING "") - -# Stage 2 Bootstrap Setup -set(BOOTSTRAP_CLANG_ENABLE_BOOTSTRAP ON CACHE STRING "") -set(BOOTSTRAP_CLANG_BOOTSTRAP_TARGETS - clang - check-all - check-llvm - check-clang CACHE STRING "") - -# Stage 2 Options -set(STAGE2_PROJECTS "clang") -set(STAGE2_RUNTIMES "") - -if (LLVM_RELEASE_ENABLE_LTO OR LLVM_RELEASE_ENABLE_PGO) - list(APPEND STAGE2_PROJECTS "lld") -endif() - -if (LLVM_RELEASE_ENABLE_PGO) - set(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED IR CACHE STRING "") - list(APPEND STAGE2_RUNTIMES "compiler-rt") - set(BOOTSTRAP_LLVM_ENABLE_LTO ${LLVM_RELEASE_ENABLE_LTO}) - if (LLVM_RELEASE_ENABLE_LTO) - set(BOOTSTRAP_LLVM_ENABLE_LLD ON CACHE BOOL "") - endif() +# stage2-instrumented and Final Stage Config: +# Options that need to be set in both the instrumented stage (if we are doing +# a pgo build) and the final stage. +set_instrument_and_final_stage_var(CMAKE_POSITION_INDEPENDENT_CODE "ON" STRING) +set_instrument_and_final_stage_var(LLVM_ENABLE_LTO "${LLVM_RELEASE_ENABLE_LTO}" STRING) +if (LLVM_RELEASE_ENABLE_LTO) + set_instrument_and_final_stage_var(LLVM_ENABLE_LLD "ON" BOOL) endif() -set(BOOTSTRAP_LLVM_ENABLE_PROJECTS ${STAGE2_PROJECTS} CACHE STRING "") -set(BOOTSTRAP_LLVM_ENABLE_RUNTIMES ${STAGE2_RUNTIMES} CACHE STRING "") -if (NOT LLVM_RELEASE_ENABLE_PGO) - set(BOOTSTRAP_LLVM_TARGETS_TO_BUILD Native CACHE STRING "") -endif() +# Final Stage Config (stage2) +set_final_stage_var(LLVM_ENABLE_RUNTIMES "${LLVM_RELEASE_ENABLE_RUNTIMES}" STRING) +set_final_stage_var(LLVM_ENABLE_PROJECTS "${LLVM_RELEASE_ENABLE_PROJECTS}" STRING) -# Stage 3 Options -set(BOOTSTRAP_BOOTSTRAP_LLVM_ENABLE_RUNTIMES "compiler-rt;libcxx;libcxxabi;libunwind" CACHE STRING "") -set(BOOTSTRAP_BOOTSTRAP_LLVM_ENABLE_PROJECTS "clang;lld;lldb;clang-tools-extra;bolt;polly;mlir;flang" CACHE STRING "") -set(BOOTSTRAP_BOOTSTRAP_LLVM_ENABLE_LTO ${LLVM_RELEASE_ENABLE_LTO} CACHE STRING "") -if (LLVM_RELEASE_ENABLE_LTO) - set(BOOTSTRAP_BOOTSTRAP_LLVM_ENABLE_LLD ON CACHE BOOL "") -endif() diff --git a/clang/cmake/caches/VectorEngine.cmake b/clang/cmake/caches/VectorEngine.cmake index e3976f3206db5309780e3b2625812ee413ae106b..2f968a21cc407e7a79220b68cec30229101d22cf 100644 --- a/clang/cmake/caches/VectorEngine.cmake +++ b/clang/cmake/caches/VectorEngine.cmake @@ -40,6 +40,7 @@ set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_CRT OFF CACHE BOOL "") set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_SANITIZERS OFF CACHE BOOL "") set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_XRAY OFF CACHE BOOL "") set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_LIBFUZZER OFF CACHE BOOL "") +set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_CTX_PROFILE OFF CACHE BOOL "") set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_PROFILE OFF CACHE BOOL "") set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_MEMPROF OFF CACHE BOOL "") set(RUNTIMES_x86_64-unknown-linux-gnu_COMPILER_RT_BUILD_ORC OFF CACHE BOOL "") @@ -52,6 +53,7 @@ set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_SANITIZERS OFF CACHE BOOL "" set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_XRAY OFF CACHE BOOL "") set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_LIBFUZZER OFF CACHE BOOL "") set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_PROFILE ON CACHE BOOL "") +set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_CTX_PROFILE OFF CACHE BOOL "") set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_MEMPROF OFF CACHE BOOL "") set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_ORC OFF CACHE BOOL "") set(RUNTIMES_ve-unknown-linux-gnu_COMPILER_RT_BUILD_GWP_ASAN OFF CACHE BOOL "") diff --git a/clang/docs/ClangOffloadBundler.rst b/clang/docs/ClangOffloadBundler.rst index 1f8c85a08f8c79c46b9dc375d9ec167d80a78346..515e6c00a3b8003083508e562812317338314206 100644 --- a/clang/docs/ClangOffloadBundler.rst +++ b/clang/docs/ClangOffloadBundler.rst @@ -518,11 +518,14 @@ The compressed offload bundle begins with a header followed by the compressed bi This is a unique identifier to distinguish compressed offload bundles. The value is the string 'CCOB' (Compressed Clang Offload Bundle). - **Version Number (16-bit unsigned int)**: - This denotes the version of the compressed offload bundle format. The current version is `1`. + This denotes the version of the compressed offload bundle format. The current version is `2`. - **Compression Method (16-bit unsigned int)**: This field indicates the compression method used. The value corresponds to either `zlib` or `zstd`, represented as a 16-bit unsigned integer cast from the LLVM compression enumeration. +- **Total File Size (32-bit unsigned int)**: + This is the total size (in bytes) of the file, including the header. Available in version 2 and above. + - **Uncompressed Binary Size (32-bit unsigned int)**: This is the size (in bytes) of the binary data before it was compressed. diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst index 3bead159c8f9467dd876174beff98787eb6a890b..c2e90f4e7d587ada3c26a321def23227b56ed95f 100644 --- a/clang/docs/LanguageExtensions.rst +++ b/clang/docs/LanguageExtensions.rst @@ -711,6 +711,8 @@ even-odd element pair with indices ``i * 2`` and ``i * 2 + 1`` with power of 2, the vector is widened with neutral elements for the reduction at the end to the next power of 2. +These reductions support both fixed-sized and scalable vector types. + Example: .. code-block:: c++ @@ -1493,6 +1495,7 @@ Conditional ``explicit`` __cpp_conditional_explicit C+ ``if consteval`` __cpp_if_consteval C++23 C++20 ``static operator()`` __cpp_static_call_operator C++23 C++03 Attributes on Lambda-Expressions C++23 C++11 +Attributes on Structured Bindings __cpp_structured_bindings C++26 C++03 ``= delete ("should have a reason");`` __cpp_deleted_function C++26 C++03 -------------------------------------------- -------------------------------- ------------- ------------- Designated initializers (N494) C99 C89 @@ -1642,7 +1645,8 @@ The following type trait primitives are supported by Clang. Those traits marked were made trivially relocatable via the ``clang::trivial_abi`` attribute. * ``__is_trivially_equality_comparable`` (Clang): Returns true if comparing two objects of the provided type is known to be equivalent to comparing their - value representations. + object representations. Note that types containing padding bytes are never + trivially equality comparable. * ``__is_unbounded_array`` (C++, GNU, Microsoft, Embarcadero) * ``__is_union`` (C++, GNU, Microsoft, Embarcadero) * ``__is_unsigned`` (C++, Embarcadero): @@ -2927,7 +2931,7 @@ Query for this feature with ``__has_builtin(__builtin_dump_struct)`` ``__builtin_shufflevector`` is used to express generic vector permutation/shuffle/swizzle operations. This builtin is also very important for the implementation of various target-specific header files like -````. +````. This builtin can be used within constant expressions. **Syntax**: @@ -2954,7 +2958,7 @@ for the implementation of various target-specific header files like // Concatenate every other element of 8-element vectors V1 and V2. __builtin_shufflevector(V1, V2, 0, 2, 4, 6, 8, 10, 12, 14) - // Shuffle v1 with some elements being undefined + // Shuffle v1 with some elements being undefined. Not allowed in constexpr. __builtin_shufflevector(v1, v1, 3, -1, 1, -1) **Description**: @@ -2967,6 +2971,7 @@ starting with the first vector, continuing into the second vector. Thus, if ``vec1`` is a 4-element vector, index 5 would refer to the second element of ``vec2``. An index of -1 can be used to indicate that the corresponding element in the returned vector is a don't care and can be optimized by the backend. +Values of -1 are not supported in constant expressions. The result of ``__builtin_shufflevector`` is a vector with the same element type as ``vec1``/``vec2`` but that has an element count equal to the number of @@ -2981,7 +2986,8 @@ Query for this feature with ``__has_builtin(__builtin_shufflevector)``. ``__builtin_convertvector`` is used to express generic vector type-conversion operations. The input vector and the output vector -type must have the same number of elements. +type must have the same number of elements. This builtin can be used within +constant expressions. **Syntax**: @@ -5571,3 +5577,25 @@ but the expression has no runtime effects. Type- and value-dependent expressions are not supported yet. This facility is designed to aid with testing name lookup machinery. + +Predefined Macros +================= + +`__GCC_DESTRUCTIVE_SIZE` and `__GCC_CONSTRUCTIVE_SIZE` +------------------------------------------------------ +Specify the mimum offset between two objects to avoid false sharing and the +maximum size of contiguous memory to promote true sharing, respectively. These +macros are predefined in all C and C++ language modes, but can be redefined on +the command line with ``-D`` to specify different values as needed or can be +undefined on the command line with ``-U`` to disable support for the feature. + +**Note: the values the macros expand to are not guaranteed to be stable. They +are are affected by architectures and CPU tuning flags, can change between +releases of Clang and will not match the values defined by other compilers such +as GCC.** + +Compiling different TUs depending on these flags (including use of +``std::hardware_constructive_interference`` or +``std::hardware_destructive_interference``) with different compilers, macro +definitions, or architecture flags will lead to ODR violations and should be +avoided. \ No newline at end of file diff --git a/clang/docs/LibTooling.rst b/clang/docs/LibTooling.rst index df50dcebf9b83c72704aa9a7ba4b2c2578336a8d..87d84321ab2830837dbba25a6d8746f35a3b01d0 100644 --- a/clang/docs/LibTooling.rst +++ b/clang/docs/LibTooling.rst @@ -63,15 +63,22 @@ and automatic location of the compilation database using source files paths. #include "llvm/Support/CommandLine.h" using namespace clang::tooling; + using namespace llvm; // Apply a custom category to all command-line options so that they are the // only ones displayed. - static llvm::cl::OptionCategory MyToolCategory("my-tool options"); + static cl::OptionCategory MyToolCategory("my-tool options"); int main(int argc, const char **argv) { - // CommonOptionsParser constructor will parse arguments and create a - // CompilationDatabase. In case of error it will terminate the program. - CommonOptionsParser OptionsParser(argc, argv, MyToolCategory); + // CommonOptionsParser::create will parse arguments and create a + // CompilationDatabase. + auto ExpectedParser = CommonOptionsParser::create(argc, argv, MyToolCategory); + if (!ExpectedParser) { + // Fail gracefully for unsupported options. + llvm::errs() << ExpectedParser.takeError(); + return 1; + } + CommonOptionsParser& OptionsParser = ExpectedParser.get(); // Use OptionsParser.getCompilations() and OptionsParser.getSourcePathList() // to retrieve CompilationDatabase and the list of input file paths. @@ -133,7 +140,12 @@ version of this example tool is also checked into the clang tree at static cl::extrahelp MoreHelp("\nMore help text...\n"); int main(int argc, const char **argv) { - CommonOptionsParser OptionsParser(argc, argv, MyToolCategory); + auto ExpectedParser = CommonOptionsParser::create(argc, argv, MyToolCategory); + if (!ExpectedParser) { + llvm::errs() << ExpectedParser.takeError(); + return 1; + } + CommonOptionsParser& OptionsParser = ExpectedParser.get(); ClangTool Tool(OptionsParser.getCompilations(), OptionsParser.getSourcePathList()); return Tool.run(newFrontendActionFactory().get()); diff --git a/clang/docs/OpenMPSupport.rst b/clang/docs/OpenMPSupport.rst index f8146bc365e8333d1e16389b162139386aa8c743..5e63b2c0f0be6ba7a986060d68a153461a694f22 100644 --- a/clang/docs/OpenMPSupport.rst +++ b/clang/docs/OpenMPSupport.rst @@ -310,7 +310,9 @@ implementation. +------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+ | misc | dispatch construct and function variant argument adjustment | :part:`worked on` | D99537, D99679 | +------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+ -| misc | assume and assumes directives | :part:`worked on` | | +| misc | assumes directives | :part:`worked on` | | ++------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+ +| misc | assume directive | :part:`worked on` | | +------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+ | misc | nothing directive | :good:`done` | D123286 | +------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+ diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst index c19ad9fba58f3780b3d2ff00e03ebb9845533389..2c5308fbcb319ad5fad595a7360a69899cc72233 100644 --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -63,6 +63,12 @@ ABI Changes in This Version MSVC uses a different mangling for these objects, compatibility is not affected. (#GH85423). +- Fixed Microsoft calling convention for returning certain classes with a + templated constructor. If a class has a templated constructor, it should + be returned indirectly even if it meets all the other requirements for + returning a class in a register. This affects some uses of std::pair. + (#GH86384). + AST Dumping Potentially Breaking Changes ---------------------------------------- @@ -88,6 +94,19 @@ sections with improvements to Clang's support for those languages. C++ Language Changes -------------------- +- Implemented ``_BitInt`` literal suffixes ``__wb`` or ``__WB`` as a Clang extension with ``unsigned`` modifiers also allowed. (#GH85223). + +C++17 Feature Support +^^^^^^^^^^^^^^^^^^^^^ +- Clang now exposes ``__GCC_DESTRUCTIVE_SIZE`` and ``__GCC_CONSTRUCTIVE_SIZE`` + predefined macros to support standard library implementations of + ``std::hardware_destructive_interference_size`` and + ``std::hardware_constructive_interference_size``, respectively. These macros + are predefined in all C and C++ language modes. The values the macros + expand to are not stable between releases of Clang and do not need to match + the values produced by GCC, so these macros should not be used from header + files because they may not be stable across multiple TUs (the values may vary + based on compiler version as well as CPU tuning). #GH60174 C++20 Feature Support ^^^^^^^^^^^^^^^^^^^^^ @@ -130,6 +149,9 @@ C++2c Feature Support - Implemented `P2573R2: = delete("should have a reason"); `_ +- Implemented `P0609R3: Attributes for Structured Bindings `_ + +- Implemented `P2748R5 Disallow Binding a Returned Glvalue to a Temporary `_. Resolutions to C++ Defect Reports ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -179,6 +201,9 @@ C23 Feature Support - Clang now supports `N3018 The constexpr specifier for object definitions` `_. +- Properly promote bit-fields of bit-precise integer types to the field's type + rather than to ``int``. #GH87641 + Non-comprehensive list of changes in this release ------------------------------------------------- @@ -203,6 +228,20 @@ Non-comprehensive list of changes in this release - ``__typeof_unqual__`` is available in all C modes as an extension, which behaves like ``typeof_unqual`` from C23, similar to ``__typeof__`` and ``typeof``. +- ``__builtin_reduce_{add|mul|xor|or|and|min|max}`` builtins now support scalable vectors. + +* Shared libraries linked with either the ``-ffast-math``, ``-Ofast``, or + ``-funsafe-math-optimizations`` flags will no longer enable flush-to-zero + floating-point mode by default. This decision can be overridden with use of + ``-mdaz-ftz``. This behavior now matches GCC's behavior. + (`#57589 `_) + +* ``-fdenormal-fp-math=preserve-sign`` is no longer implied by ``-ffast-math`` + on x86 systems. + +- Builtins ``__builtin_shufflevector()`` and ``__builtin_convertvector()`` may + now be used within constant expressions. + New Compiler Flags ------------------ - ``-fsanitize=implicit-bitfield-conversion`` checks implicit truncation and @@ -217,6 +256,10 @@ New Compiler Flags - ``-fexperimental-modules-reduced-bmi`` enables the Reduced BMI for C++20 named modules. See the document of standard C++ modules for details. +- ``-fexperimental-late-parse-attributes`` enables an experimental feature to + allow late parsing certain attributes in specific contexts where they would + not normally be late parsed. + Deprecated Compiler Flags ------------------------- @@ -248,6 +291,8 @@ Modified Compiler Flags f3 *c = (f3 *)x; } +- Carved out ``-Wformat`` warning about scoped enums into a subwarning and + make it controlled by ``-Wformat-pedantic``. Fixes #GH88595. Removed Compiler Flags ------------------------- @@ -287,6 +332,9 @@ Attribute Changes in Clang This allows the ``_Nullable`` and ``_Nonnull`` family of type attributes to apply to this class. +- Clang now warns that the ``exclude_from_explicit_instantiation`` attribute + is ignored when applied to a local class or a member thereof. + Improvements to Clang's diagnostics ----------------------------------- - Clang now applies syntax highlighting to the code snippets it @@ -366,6 +414,18 @@ Improvements to Clang's diagnostics - Clang now diagnoses requires expressions with explicit object parameters. +- Clang now looks up members of the current instantiation in the template definition context + if the current instantiation has no dependent base classes. + + .. code-block:: c++ + + template + struct A { + int f() { + return this->x; // error: no member named 'x' in 'A' + } + }; + Improvements to Clang's time-trace ---------------------------------- @@ -406,9 +466,15 @@ Bug Fixes in This Version operator. Fixes (#GH83267). +- Fix crash on ill-formed partial specialization with CRTP. + Fixes (#GH89374). + - Clang now correctly generates overloads for bit-precise integer types for builtin operators in C++. Fixes #GH82998. +- Fix crash when destructor definition is preceded with an equals sign. + Fixes (#GH89544). + - When performing mixed arithmetic between ``_Complex`` floating-point types and integers, Clang now correctly promotes the integer to its corresponding real floating-point type only rather than to the complex type (e.g. ``_Complex float / int`` is now evaluated @@ -424,6 +490,18 @@ Bug Fixes in This Version - Fixed an assertion failure on invalid InitListExpr in C89 mode (#GH88008). +- Fixed missing destructor calls when we branch from middle of an expression. + This could happen through a branch in stmt-expr or in an expression containing a coroutine + suspension. Fixes (#GH63818) (#GH88478). + +- Clang will no longer diagnose an erroneous non-dependent ``switch`` condition + during instantiation, and instead will only diagnose it once, during checking + of the function template. + +- Clang now allows the value of unroll count to be zero in ``#pragma GCC unroll`` and ``#pragma unroll``. + The values of 0 and 1 block any unrolling of the loop. This keeps the same behavior with GCC. + Fixes (`#88624 `_). + Bug Fixes to Compiler Builtins ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -527,6 +605,8 @@ Bug Fixes to C++ Support - Fix an issue caused by not handling invalid cases when substituting into the parameter mapping of a constraint. Fixes (#GH86757). - Fixed a bug that prevented member function templates of class templates declared with a deduced return type from being explicitly specialized for a given implicit instantiation of the class template. +- Fixed a crash when ``this`` is used in a dependent class scope function template specialization + that instantiates to a static member function. - Fix crash when inheriting from a cv-qualified type. Fixes #GH35603 - Fix a crash when the using enum declaration uses an anonymous enumeration. Fixes (#GH86790). @@ -536,6 +616,20 @@ Bug Fixes to C++ Support Fixes (#GH70604), (#GH79754), (#GH84163), (#GH84425), (#GH86054), (#GH86398), and (#GH86399). - Fix a crash when deducing ``auto`` from an invalid dereference (#GH88329). - Fix a crash in requires expression with templated base class member function. Fixes (#GH84020). +- Fix a crash caused by defined struct in a type alias template when the structure + has fields with dependent type. Fixes (#GH75221). +- Fix the Itanium mangling of lambdas defined in a member of a local class (#GH88906) +- Fixed a crash when trying to evaluate a user-defined ``static_assert`` message whose ``size()`` + function returns a large or negative value. Fixes (#GH89407). +- Fixed a use-after-free bug in parsing of type constraints with default arguments that involve lambdas. (#GH67235) +- Fixed bug in which the body of a consteval lambda within a template was not parsed as within an + immediate function context. +- Fix CTAD for ``std::initializer_list``. This allows ``std::initializer_list{1, 2, 3}`` to be deduced as + ``std::initializer_list`` as intended. +- Fix a bug on template partial specialization whose template parameter is `decltype(auto)`. +- Fix a bug on template partial specialization with issue on deduction of nontype template parameter + whose type is `decltype(auto)`. Fixes (#GH68885). +- Clang now correctly treats the noexcept-specifier of a friend function to be a complete-class context. Bug Fixes to AST Handling ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -545,6 +639,9 @@ Bug Fixes to AST Handling Miscellaneous Bug Fixes ^^^^^^^^^^^^^^^^^^^^^^^ +- Fixed an infinite recursion in ASTImporter, on return type declared inside + body of C++11 lambda without trailing return (#GH68775). + Miscellaneous Clang Crashes Fixed ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -585,6 +682,10 @@ Arm and AArch64 Support * Arm Cortex-A78AE (cortex-a78ae). * Arm Cortex-A520AE (cortex-a520ae). * Arm Cortex-A720AE (cortex-a720ae). + * Arm Cortex-R82AE (cortex-r82ae). + * Arm Neoverse-N3 (neoverse-n3). + * Arm Neoverse-V3 (neoverse-v3). + * Arm Neoverse-V3AE (neoverse-v3ae). Android Support ^^^^^^^^^^^^^^^ @@ -632,9 +733,20 @@ CUDA Support AIX Support ^^^^^^^^^^^ +- Introduced the ``-maix-small-local-dynamic-tls`` option to produce a faster + access sequence for local-dynamic TLS variables where the offset from the TLS + base is encoded as an immediate operand. + This access sequence is not used for TLS variables larger than 32KB, and is + currently only supported on 64-bit mode. + WebAssembly Support ^^^^^^^^^^^^^^^^^^^ +The -mcpu=generic configuration now enables multivalue and reference-types.These +proposals are standardized and available in all major engines. Enabling +multivalue here only enables the language feature but does not turn on the +multivalue ABI (this enables non-ABI uses of multivalue, like exnref). + AVR Support ^^^^^^^^^^^ @@ -673,6 +785,9 @@ clang-format libclang -------- +- ``clang_getSpellingLocation`` now correctly resolves macro expansions; that + is, it returns the spelling location instead of the expansion location. + Static Analyzer --------------- @@ -682,6 +797,8 @@ Static Analyzer - Support C++23 static operator calls. (#GH84972) - Fixed a crash in ``security.cert.env.InvalidPtr`` checker when accidentally matched user-defined ``strerror`` and similar library functions. (GH#88181) +- Fixed a crash when storing through an address that refers to the address of + a label. (GH#89185) New features ^^^^^^^^^^^^ diff --git a/clang/docs/StandardCPlusPlusModules.rst b/clang/docs/StandardCPlusPlusModules.rst index 8d5529d5d37db59c7dfff65f3bc7ff0c49388ad6..ee57fb5da6485769213f8485ac0e7a7f9fbd774d 100644 --- a/clang/docs/StandardCPlusPlusModules.rst +++ b/clang/docs/StandardCPlusPlusModules.rst @@ -483,6 +483,13 @@ violations with the flag enabled. ABI Impacts ----------- +This section describes the new ABI changes brought by modules. + +Only Itanium C++ ABI related change are mentioned + +Mangling Names +~~~~~~~~~~~~~~ + The declarations in a module unit which are not in the global module fragment have new linkage names. For example, @@ -520,6 +527,23 @@ is attached to the global module fragments. For example: Now the linkage name of ``NS::foo()`` will be ``_ZN2NS3fooEv``. +Module Initializers +~~~~~~~~~~~~~~~~~~~ + +All the importable module units are required to emit an initializer function. +The initializer function should contain calls to importing modules first and +all the dynamic-initializers in the current module unit then. + +Translation units explicitly or implicitly importing named modules must call +the initializer functions of the imported named modules within the sequence of +the dynamic-initializers in the TU. Initializations of entities at namespace +scope are appearance-ordered. This (recursively) extends into imported modules +at the point of appearance of the import declaration. + +It is allowed to omit calls to importing modules if it is known empty. + +It is allowed to omit calls to importing modules for which is known to be called. + Reduced BMI ----------- diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst index c464bc3a69adc51c1f59db5245f1fc077aed4a11..370de7d9c769e8173b7dc3ddcc6f70d9e12ef115 100644 --- a/clang/docs/UsersManual.rst +++ b/clang/docs/UsersManual.rst @@ -1452,8 +1452,6 @@ floating point semantic models: precise (the default), strict, and fast. "fenv_access", "off", "on", "off" "rounding_mode", "tonearest", "dynamic", "tonearest" "contract", "on", "off", "fast" - "denormal_fp_math", "IEEE", "IEEE", "IEEE" - "denormal_fp32_math", "IEEE","IEEE", "IEEE" "support_math_errno", "on", "on", "off" "no_honor_nans", "off", "off", "on" "no_honor_infinities", "off", "off", "on" @@ -1462,6 +1460,14 @@ floating point semantic models: precise (the default), strict, and fast. "allow_approximate_fns", "off", "off", "on" "allow_reassociation", "off", "off", "on" +The ``-ffp-model`` option does not modify the ``fdenormal-fp-math`` +setting, but it does have an impact on whether ``crtfastmath.o`` is +linked. Because linking ``crtfastmath.o`` has a global effect on the +program, and because the global denormal handling can be changed in +other ways, the state of ``fdenormal-fp-math`` handling cannot +be assumed in any function based on fp-model. See :ref:`crtfastmath.o` +for more details. + .. option:: -ffast-math Enable fast-math mode. This option lets the @@ -1506,7 +1512,8 @@ floating point semantic models: precise (the default), strict, and fast. * ``-ffp-contract=fast`` - Note: ``-ffast-math`` causes ``crtfastmath.o`` to be linked with code. See + Note: ``-ffast-math`` causes ``crtfastmath.o`` to be linked with code unless + ``-shared`` or ``-mno-daz-ftz`` is present. See :ref:`crtfastmath.o` for more details. .. option:: -fno-fast-math @@ -1536,7 +1543,6 @@ floating point semantic models: precise (the default), strict, and fast. Also, this option resets following options to their target-dependent defaults. * ``-f[no-]math-errno`` - * ``-fdenormal-fp-math=`` There is ambiguity about how ``-ffp-contract``, ``-ffast-math``, and ``-fno-fast-math`` behave when combined. To keep the value of @@ -1559,8 +1565,8 @@ floating point semantic models: precise (the default), strict, and fast. ``-ffp-contract`` setting is determined by the default value of ``-ffp-contract``. - Note: ``-fno-fast-math`` implies ``-fdenormal-fp-math=ieee``. - ``-fno-fast-math`` causes ``crtfastmath.o`` to not be linked with code. + Note: ``-fno-fast-math`` causes ``crtfastmath.o`` to not be linked with code + unless ``-mdaz-ftz`` is present. .. option:: -fdenormal-fp-math= @@ -1690,9 +1696,7 @@ floating point semantic models: precise (the default), strict, and fast. * ``-fno-associative-math`` * ``-fno-reciprocal-math`` * ``-fsigned-zeros`` - * ``-ftrapping-math`` * ``-ffp-contract=on`` - * ``-fdenormal-fp-math=ieee`` There is ambiguity about how ``-ffp-contract``, ``-funsafe-math-optimizations``, and ``-fno-unsafe-math-optimizations`` @@ -1938,10 +1942,13 @@ by using ``#pragma STDC FENV_ROUND`` with a value other than ``FE_DYNAMIC``. A note about ``crtfastmath.o`` ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -``-ffast-math`` and ``-funsafe-math-optimizations`` cause ``crtfastmath.o`` to be -automatically linked, which adds a static constructor that sets the FTZ/DAZ +``-ffast-math`` and ``-funsafe-math-optimizations`` without the ``-shared`` +option cause ``crtfastmath.o`` to be +automatically linked, which adds a static constructor that sets the FTZ/DAZ bits in MXCSR, affecting not only the current compilation unit but all static -and shared libraries included in the program. +and shared libraries included in the program. This decision can be overridden +by using either the flag ``-mdaz-ftz`` or ``-mno-daz-ftz`` to respectively +link or not link ``crtfastmath.o``. .. _FLT_EVAL_METHOD: @@ -2314,6 +2321,8 @@ are listed below. on ELF targets when using the integrated assembler. This flag currently only has an effect on ELF targets. +.. _funique_internal_linkage_names: + .. option:: -f[no]-unique-internal-linkage-names Controls whether Clang emits a unique (best-effort) symbol name for internal @@ -2443,27 +2452,41 @@ usual build cycle when using sample profilers for optimization: usual build flags that you always build your application with. The only requirement is that DWARF debug info including source line information is generated. This DWARF information is important for the profiler to be able - to map instructions back to source line locations. + to map instructions back to source line locations. The usefulness of this + DWARF information can be improved with the ``-fdebug-info-for-profiling`` + and ``-funique-internal-linkage-names`` options. - On Linux, ``-g`` or just ``-gline-tables-only`` is sufficient: + On Linux: .. code-block:: console - $ clang++ -O2 -gline-tables-only code.cc -o code + $ clang++ -O2 -gline-tables-only \ + -fdebug-info-for-profiling -funique-internal-linkage-names \ + code.cc -o code While MSVC-style targets default to CodeView debug information, DWARF debug information is required to generate source-level LLVM profiles. Use ``-gdwarf`` to include DWARF debug information: - .. code-block:: console + .. code-block:: winbatch - $ clang-cl -O2 -gdwarf -gline-tables-only coff-profile.cpp -fuse-ld=lld -link -debug:dwarf + > clang-cl /O2 -gdwarf -gline-tables-only ^ + /clang:-fdebug-info-for-profiling /clang:-funique-internal-linkage-names ^ + code.cc /Fe:code /fuse-ld=lld /link /debug:dwarf + +.. note:: + + :ref:`-funique-internal-linkage-names ` + generates unique names based on given command-line source file paths. If + your build system uses absolute source paths and these paths may change + between steps 1 and 4, then the uniqued function names may change and result + in unused profile data. Consider omitting this option in such cases. 2. Run the executable under a sampling profiler. The specific profiler you use does not really matter, as long as its output can be converted into the format that the LLVM optimizer understands. - Two such profilers are the the Linux Perf profiler + Two such profilers are the Linux Perf profiler (https://perf.wiki.kernel.org/) and Intel's Sampling Enabling Product (SEP), available as part of `Intel VTune `_. @@ -2477,7 +2500,9 @@ usual build cycle when using sample profilers for optimization: .. code-block:: console - $ perf record -b ./code + $ perf record -b -e BR_INST_RETIRED.NEAR_TAKEN:uppp ./code + + If the event above is unavailable, ``branches:u`` is probably next-best. Note the use of the ``-b`` flag. This tells Perf to use the Last Branch Record (LBR) to record call chains. While this is not strictly required, @@ -2527,21 +2552,42 @@ usual build cycle when using sample profilers for optimization: that executes faster than the original one. Note that you are not required to build the code with the exact same arguments that you used in the first step. The only requirement is that you build the code - with ``-gline-tables-only`` and ``-fprofile-sample-use``. + with the same debug info options and ``-fprofile-sample-use``. + + On Linux: .. code-block:: console - $ clang++ -O2 -gline-tables-only -fprofile-sample-use=code.prof code.cc -o code + $ clang++ -O2 -gline-tables-only \ + -fdebug-info-for-profiling -funique-internal-linkage-names \ + -fprofile-sample-use=code.prof code.cc -o code - [OPTIONAL] Sampling-based profiles can have inaccuracies or missing block/ - edge counters. The profile inference algorithm (profi) can be used to infer - missing blocks and edge counts, and improve the quality of profile data. - Enable it with ``-fsample-profile-use-profi``. + On Windows: - .. code-block:: console + .. code-block:: winbatch - $ clang++ -O2 -gline-tables-only -fprofile-sample-use=code.prof \ - -fsample-profile-use-profi code.cc -o code + > clang-cl /O2 -gdwarf -gline-tables-only ^ + /clang:-fdebug-info-for-profiling /clang:-funique-internal-linkage-names ^ + /fprofile-sample-use=code.prof code.cc /Fe:code /fuse-ld=lld /link /debug:dwarf + + [OPTIONAL] Sampling-based profiles can have inaccuracies or missing block/ + edge counters. The profile inference algorithm (profi) can be used to infer + missing blocks and edge counts, and improve the quality of profile data. + Enable it with ``-fsample-profile-use-profi``. For example, on Linux: + + .. code-block:: console + + $ clang++ -fsample-profile-use-profi -O2 -gline-tables-only \ + -fdebug-info-for-profiling -funique-internal-linkage-names \ + -fprofile-sample-use=code.prof code.cc -o code + + On Windows: + + .. code-block:: winbatch + + > clang-cl /clang:-fsample-profile-use-profi /O2 -gdwarf -gline-tables-only ^ + /clang:-fdebug-info-for-profiling /clang:-funique-internal-linkage-names ^ + /fprofile-sample-use=code.prof code.cc /Fe:code /fuse-ld=lld /link /debug:dwarf Sample Profile Formats """""""""""""""""""""" @@ -4921,6 +4967,9 @@ directory. Using the example installation above, this would mean passing If the user links the program with the ``clang`` or ``clang-cl`` drivers, the driver will pass this flag for them. +The auto-linking can be disabled with -fno-rtlib-defaultlib. If that flag is +used, pass the complete flag to required libraries as described for ASan below. + If the linker cannot find the appropriate library, it will emit an error like this:: diff --git a/clang/docs/analyzer/checkers.rst b/clang/docs/analyzer/checkers.rst index fb748d23a53d01ce04c607f38d605c3ac7b26de8..0d87df36ced0e91fdd6953ca4e5e352ea5e16c4d 100644 --- a/clang/docs/analyzer/checkers.rst +++ b/clang/docs/analyzer/checkers.rst @@ -1462,6 +1462,99 @@ checker). Default value of the option is ``true``. +.. _unix-Stream: + +unix.Stream (C) +""""""""""""""" +Check C stream handling functions: +``fopen, fdopen, freopen, tmpfile, fclose, fread, fwrite, fgetc, fgets, fputc, fputs, fprintf, fscanf, ungetc, getdelim, getline, fseek, fseeko, ftell, ftello, fflush, rewind, fgetpos, fsetpos, clearerr, feof, ferror, fileno``. + +The checker maintains information about the C stream objects (``FILE *``) and +can detect error conditions related to use of streams. The following conditions +are detected: + +* The ``FILE *`` pointer passed to the function is NULL (the single exception is + ``fflush`` where NULL is allowed). +* Use of stream after close. +* Opened stream is not closed. +* Read from a stream after end-of-file. (This is not a fatal error but reported + by the checker. Stream remains in EOF state and the read operation fails.) +* Use of stream when the file position is indeterminate after a previous failed + operation. Some functions (like ``ferror``, ``clearerr``, ``fseek``) are + allowed in this state. +* Invalid 3rd ("``whence``") argument to ``fseek``. + +The stream operations are by this checker usually split into two cases, a success +and a failure case. However, in the case of write operations (like ``fwrite``, +``fprintf`` and even ``fsetpos``) this behavior could produce a large amount of +unwanted reports on projects that don't have error checks around the write +operations, so by default the checker assumes that write operations always succeed. +This behavior can be controlled by the ``Pedantic`` flag: With +``-analyzer-config unix.Stream:Pedantic=true`` the checker will model the +cases where a write operation fails and report situations where this leads to +erroneous behavior. (The default is ``Pedantic=false``, where write operations +are assumed to succeed.) + +.. code-block:: c + + void test1() { + FILE *p = fopen("foo", "r"); + } // warn: opened file is never closed + + void test2() { + FILE *p = fopen("foo", "r"); + fseek(p, 1, SEEK_SET); // warn: stream pointer might be NULL + fclose(p); + } + + void test3() { + FILE *p = fopen("foo", "r"); + if (p) { + fseek(p, 1, 3); // warn: third arg should be SEEK_SET, SEEK_END, or SEEK_CUR + fclose(p); + } + } + + void test4() { + FILE *p = fopen("foo", "r"); + if (!p) + return; + + fclose(p); + fclose(p); // warn: stream already closed + } + + void test5() { + FILE *p = fopen("foo", "r"); + if (!p) + return; + + fgetc(p); + if (!ferror(p)) + fgetc(p); // warn: possible read after end-of-file + + fclose(p); + } + + void test6() { + FILE *p = fopen("foo", "r"); + if (!p) + return; + + fgetc(p); + if (!feof(p)) + fgetc(p); // warn: file position may be indeterminate after I/O error + + fclose(p); + } + +**Limitations** + +The checker does not track the correspondence between integer file descriptors +and ``FILE *`` pointers. Operations on standard streams like ``stdin`` are not +treated specially and are therefore often not recognized (because these streams +are usually not opened explicitly by the program, and are global variables). + .. _osx-checkers: osx @@ -3116,99 +3209,6 @@ Check for misuses of stream APIs. Check for misuses of stream APIs: ``fopen, fcl fclose(F); // warn: closing a previously closed file stream } -.. _alpha-unix-Stream: - -alpha.unix.Stream (C) -""""""""""""""""""""" -Check C stream handling functions: -``fopen, fdopen, freopen, tmpfile, fclose, fread, fwrite, fgetc, fgets, fputc, fputs, fprintf, fscanf, ungetc, getdelim, getline, fseek, fseeko, ftell, ftello, fflush, rewind, fgetpos, fsetpos, clearerr, feof, ferror, fileno``. - -The checker maintains information about the C stream objects (``FILE *``) and -can detect error conditions related to use of streams. The following conditions -are detected: - -* The ``FILE *`` pointer passed to the function is NULL (the single exception is - ``fflush`` where NULL is allowed). -* Use of stream after close. -* Opened stream is not closed. -* Read from a stream after end-of-file. (This is not a fatal error but reported - by the checker. Stream remains in EOF state and the read operation fails.) -* Use of stream when the file position is indeterminate after a previous failed - operation. Some functions (like ``ferror``, ``clearerr``, ``fseek``) are - allowed in this state. -* Invalid 3rd ("``whence``") argument to ``fseek``. - -The stream operations are by this checker usually split into two cases, a success -and a failure case. However, in the case of write operations (like ``fwrite``, -``fprintf`` and even ``fsetpos``) this behavior could produce a large amount of -unwanted reports on projects that don't have error checks around the write -operations, so by default the checker assumes that write operations always succeed. -This behavior can be controlled by the ``Pedantic`` flag: With -``-analyzer-config alpha.unix.Stream:Pedantic=true`` the checker will model the -cases where a write operation fails and report situations where this leads to -erroneous behavior. (The default is ``Pedantic=false``, where write operations -are assumed to succeed.) - -.. code-block:: c - - void test1() { - FILE *p = fopen("foo", "r"); - } // warn: opened file is never closed - - void test2() { - FILE *p = fopen("foo", "r"); - fseek(p, 1, SEEK_SET); // warn: stream pointer might be NULL - fclose(p); - } - - void test3() { - FILE *p = fopen("foo", "r"); - if (p) { - fseek(p, 1, 3); // warn: third arg should be SEEK_SET, SEEK_END, or SEEK_CUR - fclose(p); - } - } - - void test4() { - FILE *p = fopen("foo", "r"); - if (!p) - return; - - fclose(p); - fclose(p); // warn: stream already closed - } - - void test5() { - FILE *p = fopen("foo", "r"); - if (!p) - return; - - fgetc(p); - if (!ferror(p)) - fgetc(p); // warn: possible read after end-of-file - - fclose(p); - } - - void test6() { - FILE *p = fopen("foo", "r"); - if (!p) - return; - - fgetc(p); - if (!feof(p)) - fgetc(p); // warn: file position may be indeterminate after I/O error - - fclose(p); - } - -**Limitations** - -The checker does not track the correspondence between integer file descriptors -and ``FILE *`` pointers. Operations on standard streams like ``stdin`` are not -treated specially and are therefore often not recognized (because these streams -are usually not opened explicitly by the program, and are global variables). - .. _alpha-unix-cstring-BufferOverlap: alpha.unix.cstring.BufferOverlap (C) diff --git a/clang/include/clang-c/Index.h b/clang/include/clang-c/Index.h index 7a8bd985a91fc00b2c3a6c488aca5030fc211c8d..365b607c741179e94146e57d3909e164857a9960 100644 --- a/clang/include/clang-c/Index.h +++ b/clang/include/clang-c/Index.h @@ -1644,8 +1644,9 @@ enum CXCursorKind { CXCursor_ObjCSelfExpr = 146, /** OpenMP 5.0 [2.1.5, Array Section]. + * OpenACC 3.3 [2.7.1, Data Specification for Data Clauses (Sub Arrays)] */ - CXCursor_OMPArraySectionExpr = 147, + CXCursor_ArraySectionExpr = 147, /** Represents an @available(...) check. */ diff --git a/clang/include/clang/APINotes/Types.h b/clang/include/clang/APINotes/Types.h index 93bb045d6a667046239bccff8deb83dc479d2f6e..026a4a431e7349e51f424df87f15d3a25e6d44fd 100644 --- a/clang/include/clang/APINotes/Types.h +++ b/clang/include/clang/APINotes/Types.h @@ -675,6 +675,11 @@ class TagInfo : public CommonTypeInfo { LLVM_PREFERRED_TYPE(bool) unsigned IsFlagEnum : 1; + LLVM_PREFERRED_TYPE(bool) + unsigned SwiftCopyableSpecified : 1; + LLVM_PREFERRED_TYPE(bool) + unsigned SwiftCopyable : 1; + public: std::optional SwiftImportAs; std::optional SwiftRetainOp; @@ -682,7 +687,9 @@ public: std::optional EnumExtensibility; - TagInfo() : HasFlagEnum(0), IsFlagEnum(0) {} + TagInfo() + : HasFlagEnum(0), IsFlagEnum(0), SwiftCopyableSpecified(false), + SwiftCopyable(false) {} std::optional isFlagEnum() const { if (HasFlagEnum) @@ -694,6 +701,15 @@ public: IsFlagEnum = Value.value_or(false); } + std::optional isSwiftCopyable() const { + return SwiftCopyableSpecified ? std::optional(SwiftCopyable) + : std::nullopt; + } + void setSwiftCopyable(std::optional Value) { + SwiftCopyableSpecified = Value.has_value(); + SwiftCopyable = Value.value_or(false); + } + TagInfo &operator|=(const TagInfo &RHS) { static_cast(*this) |= RHS; @@ -710,6 +726,9 @@ public: if (!EnumExtensibility) EnumExtensibility = RHS.EnumExtensibility; + if (!SwiftCopyableSpecified) + setSwiftCopyable(RHS.isSwiftCopyable()); + return *this; } @@ -724,6 +743,7 @@ inline bool operator==(const TagInfo &LHS, const TagInfo &RHS) { LHS.SwiftRetainOp == RHS.SwiftRetainOp && LHS.SwiftReleaseOp == RHS.SwiftReleaseOp && LHS.isFlagEnum() == RHS.isFlagEnum() && + LHS.isSwiftCopyable() == RHS.isSwiftCopyable() && LHS.EnumExtensibility == RHS.EnumExtensibility; } diff --git a/clang/include/clang/AST/ASTContext.h b/clang/include/clang/AST/ASTContext.h index 28f8d67811f0a2517fba976008f0849b4793f25a..6dbd06251ddad69d94ba95c5f57b061e775968cf 100644 --- a/clang/include/clang/AST/ASTContext.h +++ b/clang/include/clang/AST/ASTContext.h @@ -455,7 +455,7 @@ class ASTContext : public RefCountedBase { /// initialization of another module). struct PerModuleInitializers { llvm::SmallVector Initializers; - llvm::SmallVector LazyInitializers; + llvm::SmallVector LazyInitializers; void resolve(ASTContext &Ctx); }; @@ -1059,7 +1059,7 @@ public: /// or an ImportDecl nominating another module that has initializers. void addModuleInitializer(Module *M, Decl *Init); - void addLazyModuleInitializers(Module *M, ArrayRef IDs); + void addLazyModuleInitializers(Module *M, ArrayRef IDs); /// Get the initializations to perform when importing a module, if any. ArrayRef getModuleInitializers(Module *M); @@ -1127,7 +1127,8 @@ public: CanQualType OCLSamplerTy, OCLEventTy, OCLClkEventTy; CanQualType OCLQueueTy, OCLReserveIDTy; CanQualType IncompleteMatrixIdxTy; - CanQualType OMPArraySectionTy, OMPArrayShapingTy, OMPIteratorTy; + CanQualType ArraySectionTy; + CanQualType OMPArrayShapingTy, OMPIteratorTy; #define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \ CanQualType Id##Ty; #include "clang/Basic/OpenCLExtensionTypes.def" @@ -2196,6 +2197,16 @@ public: return getQualifiedType(type.getUnqualifiedType(), Qs); } + /// \brief Return a type with the given __ptrauth qualifier. + QualType getPointerAuthType(QualType Ty, PointerAuthQualifier PointerAuth) { + assert(!Ty.getPointerAuth()); + assert(PointerAuth); + + Qualifiers Qs; + Qs.setPointerAuth(PointerAuth); + return getQualifiedType(Ty, Qs); + } + unsigned char getFixedPointScale(QualType Ty) const; unsigned char getFixedPointIBits(QualType Ty) const; llvm::FixedPointSemantics getFixedPointSemantics(QualType Ty) const; diff --git a/clang/include/clang/AST/ASTMutationListener.h b/clang/include/clang/AST/ASTMutationListener.h index 8879f9f3229ff3f755162bf9cbd200df07e2d641..2c4ec2ce67f36bb3b705b99dd257230a3adcd60b 100644 --- a/clang/include/clang/AST/ASTMutationListener.h +++ b/clang/include/clang/AST/ASTMutationListener.h @@ -27,6 +27,7 @@ namespace clang { class FunctionTemplateDecl; class Module; class NamedDecl; + class NamespaceDecl; class ObjCCategoryDecl; class ObjCContainerDecl; class ObjCInterfaceDecl; @@ -35,6 +36,7 @@ namespace clang { class QualType; class RecordDecl; class TagDecl; + class TranslationUnitDecl; class ValueDecl; class VarDecl; class VarTemplateDecl; @@ -147,6 +149,31 @@ public: virtual void AddedAttributeToRecord(const Attr *Attr, const RecordDecl *Record) {} + /// The parser find the named module declaration. + virtual void EnteringModulePurview() {} + + /// An mangling number was added to a Decl + /// + /// \param D The decl that got a mangling number + /// + /// \param Number The mangling number that was added to the Decl + virtual void AddedManglingNumber(const Decl *D, unsigned Number) {} + + /// An static local number was added to a Decl + /// + /// \param D The decl that got a static local number + /// + /// \param Number The static local number that was added to the Decl + virtual void AddedStaticLocalNumbers(const Decl *D, unsigned Number) {} + + /// An anonymous namespace was added the translation unit decl + /// + /// \param TU The translation unit decl that got a new anonymous namespace + /// + /// \param AnonNamespace The anonymous namespace that was added + virtual void AddedAnonymousNamespace(const TranslationUnitDecl *TU, + NamespaceDecl *AnonNamespace) {} + // NOTE: If new methods are added they should also be added to // MultiplexASTMutationListener. }; diff --git a/clang/include/clang/AST/ASTNodeTraverser.h b/clang/include/clang/AST/ASTNodeTraverser.h index f5c47d8a7c2113ab5e3303fda5e86dbb27f029d2..bf7c204e4ad73ab6408292215d3a839cc495c0ca 100644 --- a/clang/include/clang/AST/ASTNodeTraverser.h +++ b/clang/include/clang/AST/ASTNodeTraverser.h @@ -844,6 +844,12 @@ public: } } + void VisitUnresolvedLookupExpr(const UnresolvedLookupExpr *E) { + if (E->hasExplicitTemplateArgs()) + for (auto Arg : E->template_arguments()) + Visit(Arg.getArgument()); + } + void VisitRequiresExpr(const RequiresExpr *E) { for (auto *D : E->getLocalParameters()) Visit(D); @@ -851,6 +857,12 @@ public: Visit(R); } + void VisitTypeTraitExpr(const TypeTraitExpr *E) { + // Argument types are not children of the TypeTraitExpr. + for (auto *A : E->getArgs()) + Visit(A->getType()); + } + void VisitLambdaExpr(const LambdaExpr *Node) { if (Traversal == TK_IgnoreUnlessSpelledInSource) { for (unsigned I = 0, N = Node->capture_size(); I != N; ++I) { diff --git a/clang/include/clang/AST/AbstractBasicReader.h b/clang/include/clang/AST/AbstractBasicReader.h index 1f2797cc701458947ba3fa6f240dbb95cc67e326..ab036f1d445acc5c56a8a1e0f3b1eb3b7ea65a44 100644 --- a/clang/include/clang/AST/AbstractBasicReader.h +++ b/clang/include/clang/AST/AbstractBasicReader.h @@ -213,9 +213,9 @@ public: } Qualifiers readQualifiers() { - static_assert(sizeof(Qualifiers().getAsOpaqueValue()) <= sizeof(uint32_t), + static_assert(sizeof(Qualifiers().getAsOpaqueValue()) <= sizeof(uint64_t), "update this if the value size changes"); - uint32_t value = asImpl().readUInt32(); + uint64_t value = asImpl().readUInt64(); return Qualifiers::fromOpaqueValue(value); } diff --git a/clang/include/clang/AST/AbstractBasicWriter.h b/clang/include/clang/AST/AbstractBasicWriter.h index 07afa388de2c178bf63c276b1f0a2daa77821807..8e42fcaad1d388ecab9bb76c9082655fbcb750fc 100644 --- a/clang/include/clang/AST/AbstractBasicWriter.h +++ b/clang/include/clang/AST/AbstractBasicWriter.h @@ -196,9 +196,9 @@ public: } void writeQualifiers(Qualifiers value) { - static_assert(sizeof(value.getAsOpaqueValue()) <= sizeof(uint32_t), + static_assert(sizeof(value.getAsOpaqueValue()) <= sizeof(uint64_t), "update this if the value size changes"); - asImpl().writeUInt32(value.getAsOpaqueValue()); + asImpl().writeUInt64(value.getAsOpaqueValue()); } void writeExceptionSpecInfo( diff --git a/clang/include/clang/AST/BuiltinTypes.def b/clang/include/clang/AST/BuiltinTypes.def index c04f6f6f1271916bc93d5d818c2680958962c119..0a36fdc5d9c0f7ee7f12405d7bf04f2fd7aef666 100644 --- a/clang/include/clang/AST/BuiltinTypes.def +++ b/clang/include/clang/AST/BuiltinTypes.def @@ -320,7 +320,7 @@ PLACEHOLDER_TYPE(ARCUnbridgedCast, ARCUnbridgedCastTy) PLACEHOLDER_TYPE(IncompleteMatrixIdx, IncompleteMatrixIdxTy) // A placeholder type for OpenMP array sections. -PLACEHOLDER_TYPE(OMPArraySection, OMPArraySectionTy) +PLACEHOLDER_TYPE(ArraySection, ArraySectionTy) // A placeholder type for OpenMP array shaping operation. PLACEHOLDER_TYPE(OMPArrayShaping, OMPArrayShapingTy) diff --git a/clang/include/clang/AST/ComputeDependence.h b/clang/include/clang/AST/ComputeDependence.h index 7abf9141237dc87206548a7fc2a0bb639e436496..6d3a51c379f9df335bd0e7b084d532fe5ae4ad94 100644 --- a/clang/include/clang/AST/ComputeDependence.h +++ b/clang/include/clang/AST/ComputeDependence.h @@ -94,7 +94,7 @@ class DesignatedInitExpr; class ParenListExpr; class PseudoObjectExpr; class AtomicExpr; -class OMPArraySectionExpr; +class ArraySectionExpr; class OMPArrayShapingExpr; class OMPIteratorExpr; class ObjCArrayLiteral; @@ -189,7 +189,7 @@ ExprDependence computeDependence(ParenListExpr *E); ExprDependence computeDependence(PseudoObjectExpr *E); ExprDependence computeDependence(AtomicExpr *E); -ExprDependence computeDependence(OMPArraySectionExpr *E); +ExprDependence computeDependence(ArraySectionExpr *E); ExprDependence computeDependence(OMPArrayShapingExpr *E); ExprDependence computeDependence(OMPIteratorExpr *E); diff --git a/clang/include/clang/AST/Decl.h b/clang/include/clang/AST/Decl.h index 01af50ca694fdd8611bd3bb08573d9fe1622d6b7..a53c27a99a8c3645c48c8ff2554e0ebf67cd38f1 100644 --- a/clang/include/clang/AST/Decl.h +++ b/clang/include/clang/AST/Decl.h @@ -120,7 +120,7 @@ public: ASTContext &getASTContext() const { return Ctx; } NamespaceDecl *getAnonymousNamespace() const { return AnonymousNamespace; } - void setAnonymousNamespace(NamespaceDecl *D) { AnonymousNamespace = D; } + void setAnonymousNamespace(NamespaceDecl *D); static TranslationUnitDecl *Create(ASTContext &C); @@ -157,7 +157,7 @@ public: SourceLocation CommentLoc, PragmaMSCommentKind CommentKind, StringRef Arg); - static PragmaCommentDecl *CreateDeserialized(ASTContext &C, unsigned ID, + static PragmaCommentDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned ArgSize); PragmaMSCommentKind getCommentKind() const { return CommentKind; } @@ -192,7 +192,7 @@ public: SourceLocation Loc, StringRef Name, StringRef Value); static PragmaDetectMismatchDecl * - CreateDeserialized(ASTContext &C, unsigned ID, unsigned NameValueSize); + CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NameValueSize); StringRef getName() const { return getTrailingObjects(); } StringRef getValue() const { return getTrailingObjects() + ValueStart; } @@ -518,7 +518,7 @@ public: static LabelDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation IdentL, IdentifierInfo *II, SourceLocation GnuLabelL); - static LabelDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static LabelDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); LabelStmt *getStmt() const { return TheStmt; } void setStmt(LabelStmt *T) { TheStmt = T; } @@ -581,7 +581,7 @@ public: IdentifierInfo *Id, NamespaceDecl *PrevDecl, bool Nested); - static NamespaceDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static NamespaceDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); using redecl_range = redeclarable_base::redecl_range; using redecl_iterator = redeclarable_base::redecl_iterator; @@ -1146,7 +1146,7 @@ public: const IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, StorageClass S); - static VarDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static VarDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY; @@ -1728,7 +1728,7 @@ public: static ImplicitParamDecl *Create(ASTContext &C, QualType T, ImplicitParamKind ParamKind); - static ImplicitParamDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ImplicitParamDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); ImplicitParamDecl(ASTContext &C, DeclContext *DC, SourceLocation IdLoc, const IdentifierInfo *Id, QualType Type, @@ -1782,7 +1782,7 @@ public: TypeSourceInfo *TInfo, StorageClass S, Expr *DefArg); - static ParmVarDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ParmVarDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY; @@ -2178,7 +2178,7 @@ public: bool hasWrittenPrototype, ConstexprSpecKind ConstexprKind, Expr *TrailingRequiresClause); - static FunctionDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static FunctionDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); DeclarationNameInfo getNameInfo() const { return DeclarationNameInfo(getDeclName(), getLocation(), DNLoc); @@ -3136,7 +3136,7 @@ public: TypeSourceInfo *TInfo, Expr *BW, bool Mutable, InClassInitStyle InitStyle); - static FieldDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static FieldDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); /// Returns the index of this field within its record, /// as appropriate for passing to ASTRecordLayout::getFieldOffset. @@ -3149,7 +3149,7 @@ public: bool isBitField() const { return BitField; } /// Determines whether this is an unnamed bitfield. - bool isUnnamedBitfield() const { return isBitField() && !getDeclName(); } + bool isUnnamedBitField() const { return isBitField() && !getDeclName(); } /// Determines whether this field is a /// representative for an anonymous struct or union. Such fields are @@ -3311,7 +3311,7 @@ public: SourceLocation L, IdentifierInfo *Id, QualType T, Expr *E, const llvm::APSInt &V); - static EnumConstantDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static EnumConstantDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); const Expr *getInitExpr() const { return (const Expr*) Init; } Expr *getInitExpr() { return (Expr*) Init; } @@ -3357,7 +3357,7 @@ public: QualType T, llvm::MutableArrayRef CH); - static IndirectFieldDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static IndirectFieldDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); using chain_iterator = ArrayRef::const_iterator; @@ -3542,7 +3542,7 @@ public: static TypedefDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, const IdentifierInfo *Id, TypeSourceInfo *TInfo); - static TypedefDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static TypedefDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY; @@ -3567,7 +3567,7 @@ public: static TypeAliasDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, const IdentifierInfo *Id, TypeSourceInfo *TInfo); - static TypeAliasDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static TypeAliasDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY; @@ -3977,7 +3977,7 @@ public: IdentifierInfo *Id, EnumDecl *PrevDecl, bool IsScoped, bool IsScopedUsingClassTag, bool IsFixed); - static EnumDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static EnumDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); /// Overrides to provide correct range when there's an enum-base specifier /// with forward declarations. @@ -4182,7 +4182,7 @@ public: static RecordDecl *Create(const ASTContext &C, TagKind TK, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, IdentifierInfo *Id, RecordDecl* PrevDecl = nullptr); - static RecordDecl *CreateDeserialized(const ASTContext &C, unsigned ID); + static RecordDecl *CreateDeserialized(const ASTContext &C, GlobalDeclID ID); RecordDecl *getPreviousDecl() { return cast_or_null( @@ -4433,7 +4433,7 @@ public: StringLiteral *Str, SourceLocation AsmLoc, SourceLocation RParenLoc); - static FileScopeAsmDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static FileScopeAsmDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceLocation getAsmLoc() const { return getLocation(); } SourceLocation getRParenLoc() const { return RParenLoc; } @@ -4469,7 +4469,7 @@ class TopLevelStmtDecl : public Decl, public DeclContext { public: static TopLevelStmtDecl *Create(ASTContext &C, Stmt *Statement); - static TopLevelStmtDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static TopLevelStmtDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY; Stmt *getStmt() { return Statement; } @@ -4563,7 +4563,7 @@ protected: public: static BlockDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation L); - static BlockDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static BlockDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceLocation getCaretLocation() const { return getLocation(); } @@ -4717,7 +4717,7 @@ public: static CapturedDecl *Create(ASTContext &C, DeclContext *DC, unsigned NumParams); - static CapturedDecl *CreateDeserialized(ASTContext &C, unsigned ID, + static CapturedDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NumParams); Stmt *getBody() const override; @@ -4851,7 +4851,7 @@ public: SourceLocation EndLoc); /// Create a new, deserialized module import declaration. - static ImportDecl *CreateDeserialized(ASTContext &C, unsigned ID, + static ImportDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NumLocations); /// Retrieve the module that was imported by the import declaration. @@ -4892,7 +4892,7 @@ private: public: static ExportDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation ExportLoc); - static ExportDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ExportDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceLocation getExportLoc() const { return getLocation(); } SourceLocation getRBraceLoc() const { return RBraceLoc; } @@ -4931,7 +4931,7 @@ class EmptyDecl : public Decl { public: static EmptyDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation L); - static EmptyDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static EmptyDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); static bool classof(const Decl *D) { return classofKind(D->getKind()); } static bool classofKind(Kind K) { return K == Empty; } @@ -4957,7 +4957,7 @@ public: bool CBuffer, SourceLocation KwLoc, IdentifierInfo *ID, SourceLocation IDLoc, SourceLocation LBrace); - static HLSLBufferDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static HLSLBufferDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY { return SourceRange(getLocStart(), RBraceLoc); diff --git a/clang/include/clang/AST/DeclBase.h b/clang/include/clang/AST/DeclBase.h index 1079993f4969456f87d9ba2e2e80fff8b0efa016..e43e812cd94558469ee5d6c53f6742dd89045e59 100644 --- a/clang/include/clang/AST/DeclBase.h +++ b/clang/include/clang/AST/DeclBase.h @@ -15,6 +15,7 @@ #include "clang/AST/ASTDumperUtils.h" #include "clang/AST/AttrIterator.h" +#include "clang/AST/DeclID.h" #include "clang/AST/DeclarationName.h" #include "clang/AST/SelectorLocationsKind.h" #include "clang/Basic/IdentifierTable.h" @@ -358,7 +359,7 @@ protected: /// \param Ctx The context in which we will allocate memory. /// \param ID The global ID of the deserialized declaration. /// \param Extra The amount of extra space to allocate after the object. - void *operator new(std::size_t Size, const ASTContext &Ctx, unsigned ID, + void *operator new(std::size_t Size, const ASTContext &Ctx, GlobalDeclID ID, std::size_t Extra = 0); /// Allocate memory for a non-deserialized declaration. @@ -776,10 +777,10 @@ public: /// Retrieve the global declaration ID associated with this /// declaration, which specifies where this Decl was loaded from. - unsigned getGlobalID() const { + GlobalDeclID getGlobalID() const { if (isFromASTFile()) - return *((const unsigned*)this - 1); - return 0; + return (*((const GlobalDeclID *)this - 1)); + return GlobalDeclID(); } /// Retrieve the global ID of the module that owns this particular diff --git a/clang/include/clang/AST/DeclCXX.h b/clang/include/clang/AST/DeclCXX.h index 7aed4d5cbc002e2c60d743922f16d507bfb2a2dd..fb52ac804849d87c91017bfd2b4381d9d55150aa 100644 --- a/clang/include/clang/AST/DeclCXX.h +++ b/clang/include/clang/AST/DeclCXX.h @@ -120,7 +120,7 @@ public: return new (C, DC) AccessSpecDecl(AS, DC, ASLoc, ColonLoc); } - static AccessSpecDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static AccessSpecDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); // Implement isa/cast/dyncast/etc. static bool classof(const Decl *D) { return classofKind(D->getKind()); } @@ -579,7 +579,8 @@ public: TypeSourceInfo *Info, SourceLocation Loc, unsigned DependencyKind, bool IsGeneric, LambdaCaptureDefault CaptureDefault); - static CXXRecordDecl *CreateDeserialized(const ASTContext &C, unsigned ID); + static CXXRecordDecl *CreateDeserialized(const ASTContext &C, + GlobalDeclID ID); bool isDynamicClass() const { return data().Polymorphic || data().NumVBases != 0; @@ -1980,7 +1981,8 @@ public: CXXConstructorDecl *Ctor = nullptr, DeductionCandidate Kind = DeductionCandidate::Normal); - static CXXDeductionGuideDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static CXXDeductionGuideDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID); ExplicitSpecifier getExplicitSpecifier() { return ExplicitSpec; } const ExplicitSpecifier getExplicitSpecifier() const { return ExplicitSpec; } @@ -2035,7 +2037,8 @@ public: static RequiresExprBodyDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc); - static RequiresExprBodyDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static RequiresExprBodyDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID); // Implement isa/cast/dyncast/etc. static bool classof(const Decl *D) { return classofKind(D->getKind()); } @@ -2078,7 +2081,7 @@ public: ConstexprSpecKind ConstexprKind, SourceLocation EndLocation, Expr *TrailingRequiresClause = nullptr); - static CXXMethodDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static CXXMethodDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); bool isStatic() const; bool isInstance() const { return !isStatic(); } @@ -2579,7 +2582,7 @@ public: friend class ASTDeclWriter; friend TrailingObjects; - static CXXConstructorDecl *CreateDeserialized(ASTContext &C, unsigned ID, + static CXXConstructorDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID, uint64_t AllocKind); static CXXConstructorDecl * Create(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc, @@ -2822,7 +2825,7 @@ public: bool UsesFPIntrin, bool isInline, bool isImplicitlyDeclared, ConstexprSpecKind ConstexprKind, Expr *TrailingRequiresClause = nullptr); - static CXXDestructorDecl *CreateDeserialized(ASTContext & C, unsigned ID); + static CXXDestructorDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); void setOperatorDelete(FunctionDecl *OD, Expr *ThisArg); @@ -2881,7 +2884,7 @@ public: bool UsesFPIntrin, bool isInline, ExplicitSpecifier ES, ConstexprSpecKind ConstexprKind, SourceLocation EndLocation, Expr *TrailingRequiresClause = nullptr); - static CXXConversionDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static CXXConversionDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); ExplicitSpecifier getExplicitSpecifier() { return getCanonicalDecl()->ExplicitSpec; @@ -2948,7 +2951,7 @@ public: SourceLocation ExternLoc, SourceLocation LangLoc, LinkageSpecLanguageIDs Lang, bool HasBraces); - static LinkageSpecDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static LinkageSpecDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); /// Return the language specified by this linkage specification. LinkageSpecLanguageIDs getLanguage() const { @@ -3096,7 +3099,7 @@ public: SourceLocation IdentLoc, NamedDecl *Nominated, DeclContext *CommonAncestor); - static UsingDirectiveDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static UsingDirectiveDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY { return SourceRange(UsingLoc, getLocation()); @@ -3157,7 +3160,7 @@ public: SourceLocation IdentLoc, NamedDecl *Namespace); - static NamespaceAliasDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static NamespaceAliasDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); using redecl_range = redeclarable_base::redecl_range; using redecl_iterator = redeclarable_base::redecl_iterator; @@ -3254,7 +3257,7 @@ public: LifetimeExtendedTemporaryDecl(Temp, EDec, Mangling); } static LifetimeExtendedTemporaryDecl *CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) LifetimeExtendedTemporaryDecl(EmptyShell{}); } @@ -3357,7 +3360,7 @@ public: UsingShadowDecl(UsingShadow, C, DC, Loc, Name, Introducer, Target); } - static UsingShadowDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static UsingShadowDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); using redecl_range = redeclarable_base::redecl_range; using redecl_iterator = redeclarable_base::redecl_iterator; @@ -3566,7 +3569,7 @@ public: const DeclarationNameInfo &NameInfo, bool HasTypenameKeyword); - static UsingDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static UsingDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY; @@ -3645,7 +3648,7 @@ public: UsingDecl *Using, NamedDecl *Target, bool IsVirtual); static ConstructorUsingShadowDecl *CreateDeserialized(ASTContext &C, - unsigned ID); + GlobalDeclID ID); /// Override the UsingShadowDecl's getIntroducer, returning the UsingDecl that /// introduced this. @@ -3757,7 +3760,7 @@ public: SourceLocation UsingL, SourceLocation EnumL, SourceLocation NameL, TypeSourceInfo *EnumType); - static UsingEnumDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static UsingEnumDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY; @@ -3830,7 +3833,7 @@ public: NamedDecl *InstantiatedFrom, ArrayRef UsingDecls); - static UsingPackDecl *CreateDeserialized(ASTContext &C, unsigned ID, + static UsingPackDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NumExpansions); SourceRange getSourceRange() const override LLVM_READONLY { @@ -3923,8 +3926,8 @@ public: NestedNameSpecifierLoc QualifierLoc, const DeclarationNameInfo &NameInfo, SourceLocation EllipsisLoc); - static UnresolvedUsingValueDecl * - CreateDeserialized(ASTContext &C, unsigned ID); + static UnresolvedUsingValueDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY; @@ -4014,8 +4017,8 @@ public: SourceLocation TargetNameLoc, DeclarationName TargetName, SourceLocation EllipsisLoc); - static UnresolvedUsingTypenameDecl * - CreateDeserialized(ASTContext &C, unsigned ID); + static UnresolvedUsingTypenameDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID); /// Retrieves the canonical declaration of this declaration. UnresolvedUsingTypenameDecl *getCanonicalDecl() override { @@ -4045,7 +4048,7 @@ public: SourceLocation Loc, DeclarationName Name); static UnresolvedUsingIfExistsDecl *CreateDeserialized(ASTContext &Ctx, - unsigned ID); + GlobalDeclID ID); static bool classof(const Decl *D) { return classofKind(D->getKind()); } static bool classofKind(Kind K) { return K == Decl::UnresolvedUsingIfExists; } @@ -4073,7 +4076,7 @@ public: SourceLocation StaticAssertLoc, Expr *AssertExpr, Expr *Message, SourceLocation RParenLoc, bool Failed); - static StaticAssertDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static StaticAssertDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); Expr *getAssertExpr() { return AssertExprAndFailed.getPointer(); } const Expr *getAssertExpr() const { return AssertExprAndFailed.getPointer(); } @@ -4120,7 +4123,7 @@ public: static BindingDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation IdLoc, IdentifierInfo *Id); - static BindingDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static BindingDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); /// Get the expression to which this declaration is bound. This may be null /// in two different cases: while parsing the initializer for the @@ -4189,7 +4192,7 @@ public: QualType T, TypeSourceInfo *TInfo, StorageClass S, ArrayRef Bindings); - static DecompositionDecl *CreateDeserialized(ASTContext &C, unsigned ID, + static DecompositionDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NumBindings); ArrayRef bindings() const { @@ -4246,7 +4249,7 @@ public: SourceLocation L, DeclarationName N, QualType T, TypeSourceInfo *TInfo, SourceLocation StartL, IdentifierInfo *Getter, IdentifierInfo *Setter); - static MSPropertyDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static MSPropertyDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); static bool classof(const Decl *D) { return D->getKind() == MSProperty; } @@ -4300,7 +4303,7 @@ private: MSGuidDecl(DeclContext *DC, QualType T, Parts P); static MSGuidDecl *Create(const ASTContext &C, QualType T, Parts P); - static MSGuidDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static MSGuidDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); // Only ASTContext::getMSGuidDecl and deserialization create these. friend class ASTContext; @@ -4353,7 +4356,7 @@ class UnnamedGlobalConstantDecl : public ValueDecl, static UnnamedGlobalConstantDecl *Create(const ASTContext &C, QualType T, const APValue &APVal); static UnnamedGlobalConstantDecl *CreateDeserialized(ASTContext &C, - unsigned ID); + GlobalDeclID ID); // Only ASTContext::getUnnamedGlobalConstantDecl and deserialization create // these. diff --git a/clang/include/clang/AST/DeclContextInternals.h b/clang/include/clang/AST/DeclContextInternals.h index c4734ab578953835ee9719264ae2e9279d7d979f..e169c4859219290f483d59eb5aafb5bb99fa591b 100644 --- a/clang/include/clang/AST/DeclContextInternals.h +++ b/clang/include/clang/AST/DeclContextInternals.h @@ -42,11 +42,12 @@ class StoredDeclsList { /// external declarations. DeclsAndHasExternalTy Data; - template - void erase_if(Fn ShouldErase) { + template DeclListNode::Decls *erase_if(Fn ShouldErase) { Decls List = Data.getPointer(); + if (!List) - return; + return nullptr; + ASTContext &C = getASTContext(); DeclListNode::Decls NewHead = nullptr; DeclListNode::Decls *NewLast = nullptr; @@ -79,6 +80,17 @@ class StoredDeclsList { Data.setPointer(NewHead); assert(llvm::none_of(getLookupResult(), ShouldErase) && "Still exists!"); + + if (!Data.getPointer()) + // All declarations are erased. + return nullptr; + else if (NewHead.is()) + // The list only contains a declaration, the header itself. + return (DeclListNode::Decls *)&Data; + else { + assert(NewLast && NewLast->is() && "Not the tail?"); + return NewLast; + } } void erase(NamedDecl *ND) { @@ -160,12 +172,16 @@ public: void replaceExternalDecls(ArrayRef Decls) { // Remove all declarations that are either external or are replaced with - // external declarations. - erase_if([Decls](NamedDecl *ND) { + // external declarations with higher visibilities. + DeclListNode::Decls *Tail = erase_if([Decls](NamedDecl *ND) { if (ND->isFromASTFile()) return true; + // FIXME: Can we get rid of this loop completely? for (NamedDecl *D : Decls) - if (D->declarationReplaces(ND, /*IsKnownNewer=*/false)) + // Only replace the local declaration if the external declaration has + // higher visibilities. + if (D->getModuleOwnershipKind() <= ND->getModuleOwnershipKind() && + D->declarationReplaces(ND, /*IsKnownNewer=*/false)) return true; return false; }); @@ -185,24 +201,15 @@ public: DeclsAsList = Node; } - DeclListNode::Decls Head = Data.getPointer(); - if (Head.isNull()) { + if (!Data.getPointer()) { Data.setPointer(DeclsAsList); return; } - // Find the end of the existing list. - // FIXME: It would be possible to preserve information from erase_if to - // avoid this rescan looking for the end of the list. - DeclListNode::Decls *Tail = &Head; - while (DeclListNode *Node = Tail->dyn_cast()) - Tail = &Node->Rest; - // Append the Decls. DeclListNode *Node = C.AllocateDeclListNode(Tail->get()); Node->Rest = DeclsAsList; *Tail = Node; - Data.setPointer(Head); } /// Return the list of all the decls. diff --git a/clang/include/clang/AST/DeclFriend.h b/clang/include/clang/AST/DeclFriend.h index 3e6ca5b3219259e1eafb908afc08208ec5bfc251..9789282f351a55c07e242598489aeb2a9b8b4e56 100644 --- a/clang/include/clang/AST/DeclFriend.h +++ b/clang/include/clang/AST/DeclFriend.h @@ -112,7 +112,7 @@ public: Create(ASTContext &C, DeclContext *DC, SourceLocation L, FriendUnion Friend_, SourceLocation FriendL, ArrayRef FriendTypeTPLists = std::nullopt); - static FriendDecl *CreateDeserialized(ASTContext &C, unsigned ID, + static FriendDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned FriendTypeNumTPLists); /// If this friend declaration names an (untemplated but possibly diff --git a/clang/include/clang/AST/DeclID.h b/clang/include/clang/AST/DeclID.h new file mode 100644 index 0000000000000000000000000000000000000000..614ba06b63860cdd13f7c1f2761c40231ca39275 --- /dev/null +++ b/clang/include/clang/AST/DeclID.h @@ -0,0 +1,227 @@ +//===--- DeclID.h - ID number for deserialized declarations ----*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file defines DeclID class family to describe the deserialized +// declarations. The DeclID is widely used in AST via LazyDeclPtr, or calls to +// `ExternalASTSource::getExternalDecl`. It will be helpful for type safety to +// require the use of `DeclID` to explicit. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_AST_DECLID_H +#define LLVM_CLANG_AST_DECLID_H + +#include "llvm/ADT/DenseMapInfo.h" +#include "llvm/ADT/iterator.h" + +namespace clang { + +/// Predefined declaration IDs. +/// +/// These declaration IDs correspond to predefined declarations in the AST +/// context, such as the NULL declaration ID. Such declarations are never +/// actually serialized, since they will be built by the AST context when +/// it is created. +enum PredefinedDeclIDs { + /// The NULL declaration. + PREDEF_DECL_NULL_ID = 0, + + /// The translation unit. + PREDEF_DECL_TRANSLATION_UNIT_ID = 1, + + /// The Objective-C 'id' type. + PREDEF_DECL_OBJC_ID_ID = 2, + + /// The Objective-C 'SEL' type. + PREDEF_DECL_OBJC_SEL_ID = 3, + + /// The Objective-C 'Class' type. + PREDEF_DECL_OBJC_CLASS_ID = 4, + + /// The Objective-C 'Protocol' type. + PREDEF_DECL_OBJC_PROTOCOL_ID = 5, + + /// The signed 128-bit integer type. + PREDEF_DECL_INT_128_ID = 6, + + /// The unsigned 128-bit integer type. + PREDEF_DECL_UNSIGNED_INT_128_ID = 7, + + /// The internal 'instancetype' typedef. + PREDEF_DECL_OBJC_INSTANCETYPE_ID = 8, + + /// The internal '__builtin_va_list' typedef. + PREDEF_DECL_BUILTIN_VA_LIST_ID = 9, + + /// The internal '__va_list_tag' struct, if any. + PREDEF_DECL_VA_LIST_TAG = 10, + + /// The internal '__builtin_ms_va_list' typedef. + PREDEF_DECL_BUILTIN_MS_VA_LIST_ID = 11, + + /// The predeclared '_GUID' struct. + PREDEF_DECL_BUILTIN_MS_GUID_ID = 12, + + /// The extern "C" context. + PREDEF_DECL_EXTERN_C_CONTEXT_ID = 13, + + /// The internal '__make_integer_seq' template. + PREDEF_DECL_MAKE_INTEGER_SEQ_ID = 14, + + /// The internal '__NSConstantString' typedef. + PREDEF_DECL_CF_CONSTANT_STRING_ID = 15, + + /// The internal '__NSConstantString' tag type. + PREDEF_DECL_CF_CONSTANT_STRING_TAG_ID = 16, + + /// The internal '__type_pack_element' template. + PREDEF_DECL_TYPE_PACK_ELEMENT_ID = 17, +}; + +/// The number of declaration IDs that are predefined. +/// +/// For more information about predefined declarations, see the +/// \c PredefinedDeclIDs type and the PREDEF_DECL_*_ID constants. +const unsigned int NUM_PREDEF_DECL_IDS = 18; + +/// GlobalDeclID means DeclID in the current ASTContext and LocalDeclID means +/// DeclID specific to a certain ModuleFile. Specially, in ASTWriter, the +/// LocalDeclID to the ModuleFile been writting is equal to the GlobalDeclID. +/// Outside the serializer, all the DeclID been used should be GlobalDeclID. +/// We can translate a LocalDeclID to the GlobalDeclID by +/// `ASTReader::getGlobalDeclID()`. + +class DeclIDBase { +public: + /// An ID number that refers to a declaration in an AST file. + /// + /// The ID numbers of declarations are consecutive (in order of + /// discovery), with values below NUM_PREDEF_DECL_IDS being reserved. + /// At the start of a chain of precompiled headers, declaration ID 1 is + /// used for the translation unit declaration. + /// + /// DeclID should only be used directly in serialization. All other users + /// should use LocalDeclID or GlobalDeclID. + using DeclID = uint32_t; + +protected: + DeclIDBase() : ID(PREDEF_DECL_NULL_ID) {} + explicit DeclIDBase(DeclID ID) : ID(ID) {} + +public: + DeclID get() const { return ID; } + + explicit operator DeclID() const { return ID; } + + explicit operator PredefinedDeclIDs() const { return (PredefinedDeclIDs)ID; } + + bool isValid() const { return ID != PREDEF_DECL_NULL_ID; } + + bool isInvalid() const { return ID == PREDEF_DECL_NULL_ID; } + + friend bool operator==(const DeclIDBase &LHS, const DeclIDBase &RHS) { + return LHS.ID == RHS.ID; + } + friend bool operator!=(const DeclIDBase &LHS, const DeclIDBase &RHS) { + return LHS.ID != RHS.ID; + } + // We may sort the decl ID. + friend bool operator<(const DeclIDBase &LHS, const DeclIDBase &RHS) { + return LHS.ID < RHS.ID; + } + friend bool operator>(const DeclIDBase &LHS, const DeclIDBase &RHS) { + return LHS.ID > RHS.ID; + } + friend bool operator<=(const DeclIDBase &LHS, const DeclIDBase &RHS) { + return LHS.ID <= RHS.ID; + } + friend bool operator>=(const DeclIDBase &LHS, const DeclIDBase &RHS) { + return LHS.ID >= RHS.ID; + } + +protected: + DeclID ID; +}; + +class LocalDeclID : public DeclIDBase { + using Base = DeclIDBase; + +public: + LocalDeclID() : Base() {} + LocalDeclID(PredefinedDeclIDs ID) : Base(ID) {} + explicit LocalDeclID(DeclID ID) : Base(ID) {} + + LocalDeclID &operator++() { + ++ID; + return *this; + } + + LocalDeclID operator++(int) { + LocalDeclID Ret = *this; + ++(*this); + return Ret; + } +}; + +class GlobalDeclID : public DeclIDBase { + using Base = DeclIDBase; + +public: + GlobalDeclID() : Base() {} + explicit GlobalDeclID(DeclID ID) : Base(ID) {} + + // For DeclIDIterator to be able to convert a GlobalDeclID + // to a LocalDeclID. + explicit operator LocalDeclID() const { return LocalDeclID(this->ID); } +}; + +/// A helper iterator adaptor to convert the iterators to +/// `SmallVector` to the iterators to `SmallVector`. +template +class DeclIDIterator + : public llvm::iterator_adaptor_base, + const FromTy *, + std::forward_iterator_tag, ToTy> { +public: + DeclIDIterator() : DeclIDIterator::iterator_adaptor_base(nullptr) {} + + DeclIDIterator(const FromTy *ID) + : DeclIDIterator::iterator_adaptor_base(ID) {} + + ToTy operator*() const { return ToTy(*this->I); } + + bool operator==(const DeclIDIterator &RHS) const { return this->I == RHS.I; } +}; + +} // namespace clang + +namespace llvm { +template <> struct DenseMapInfo { + using GlobalDeclID = clang::GlobalDeclID; + using DeclID = GlobalDeclID::DeclID; + + static GlobalDeclID getEmptyKey() { + return GlobalDeclID(DenseMapInfo::getEmptyKey()); + } + + static GlobalDeclID getTombstoneKey() { + return GlobalDeclID(DenseMapInfo::getTombstoneKey()); + } + + static unsigned getHashValue(const GlobalDeclID &Key) { + return DenseMapInfo::getHashValue(Key.get()); + } + + static bool isEqual(const GlobalDeclID &L, const GlobalDeclID &R) { + return L == R; + } +}; + +} // namespace llvm + +#endif diff --git a/clang/include/clang/AST/DeclObjC.h b/clang/include/clang/AST/DeclObjC.h index b8d17dd06d1550082446496c9d02ef5fa9c759a5..d2cc61ca19f8a5796a7a499c0780de95a0b92a6c 100644 --- a/clang/include/clang/AST/DeclObjC.h +++ b/clang/include/clang/AST/DeclObjC.h @@ -236,7 +236,7 @@ public: ObjCImplementationControl impControl = ObjCImplementationControl::None, bool HasRelatedResultType = false); - static ObjCMethodDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ObjCMethodDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); ObjCMethodDecl *getCanonicalDecl() override; const ObjCMethodDecl *getCanonicalDecl() const { @@ -614,7 +614,8 @@ public: IdentifierInfo *name, SourceLocation colonLoc, TypeSourceInfo *boundInfo); - static ObjCTypeParamDecl *CreateDeserialized(ASTContext &ctx, unsigned ID); + static ObjCTypeParamDecl *CreateDeserialized(ASTContext &ctx, + GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY; @@ -789,7 +790,7 @@ public: TypeSourceInfo *TSI, PropertyControl propControl = None); - static ObjCPropertyDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ObjCPropertyDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); SourceLocation getAtLoc() const { return AtLoc; } void setAtLoc(SourceLocation L) { AtLoc = L; } @@ -1279,7 +1280,8 @@ public: ObjCInterfaceDecl *PrevDecl, SourceLocation ClassLoc = SourceLocation(), bool isInternal = false); - static ObjCInterfaceDecl *CreateDeserialized(const ASTContext &C, unsigned ID); + static ObjCInterfaceDecl *CreateDeserialized(const ASTContext &C, + GlobalDeclID ID); /// Retrieve the type parameters of this class. /// @@ -1969,7 +1971,7 @@ public: TypeSourceInfo *TInfo, AccessControl ac, Expr *BW = nullptr, bool synthesized = false); - static ObjCIvarDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ObjCIvarDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); /// Return the class interface that this ivar is logically contained /// in; this is either the interface where the ivar was declared, or the @@ -2039,7 +2041,8 @@ public: SourceLocation IdLoc, IdentifierInfo *Id, QualType T, Expr *BW); - static ObjCAtDefsFieldDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ObjCAtDefsFieldDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID); // Implement isa/cast/dyncast/etc. static bool classof(const Decl *D) { return classofKind(D->getKind()); } @@ -2142,7 +2145,7 @@ public: SourceLocation atStartLoc, ObjCProtocolDecl *PrevDecl); - static ObjCProtocolDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ObjCProtocolDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); const ObjCProtocolList &getReferencedProtocols() const { assert(hasDefinition() && "No definition available!"); @@ -2361,7 +2364,7 @@ public: ObjCTypeParamList *typeParamList, SourceLocation IvarLBraceLoc = SourceLocation(), SourceLocation IvarRBraceLoc = SourceLocation()); - static ObjCCategoryDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ObjCCategoryDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); ObjCInterfaceDecl *getClassInterface() { return ClassInterface; } const ObjCInterfaceDecl *getClassInterface() const { return ClassInterface; } @@ -2558,7 +2561,8 @@ public: Create(ASTContext &C, DeclContext *DC, const IdentifierInfo *Id, ObjCInterfaceDecl *classInterface, SourceLocation nameLoc, SourceLocation atStartLoc, SourceLocation CategoryNameLoc); - static ObjCCategoryImplDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ObjCCategoryImplDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID); ObjCCategoryDecl *getCategoryDecl() const; @@ -2640,7 +2644,8 @@ public: SourceLocation IvarLBraceLoc=SourceLocation(), SourceLocation IvarRBraceLoc=SourceLocation()); - static ObjCImplementationDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ObjCImplementationDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID); /// init_iterator - Iterates through the ivar initializer list. using init_iterator = CXXCtorInitializer **; @@ -2780,7 +2785,7 @@ public: ObjCInterfaceDecl* aliasedClass); static ObjCCompatibleAliasDecl *CreateDeserialized(ASTContext &C, - unsigned ID); + GlobalDeclID ID); const ObjCInterfaceDecl *getClassInterface() const { return AliasedClass; } ObjCInterfaceDecl *getClassInterface() { return AliasedClass; } @@ -2851,7 +2856,8 @@ public: ObjCIvarDecl *ivarDecl, SourceLocation ivarLoc); - static ObjCPropertyImplDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ObjCPropertyImplDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY; diff --git a/clang/include/clang/AST/DeclOpenMP.h b/clang/include/clang/AST/DeclOpenMP.h index 8fdfddb6c1fd74bf2ddc3b852b0e28679b286926..e542c3c8e66b0f28a4de617c302c60542cee632e 100644 --- a/clang/include/clang/AST/DeclOpenMP.h +++ b/clang/include/clang/AST/DeclOpenMP.h @@ -59,7 +59,7 @@ protected: } template - static T *createEmptyDirective(const ASTContext &C, unsigned ID, + static T *createEmptyDirective(const ASTContext &C, GlobalDeclID ID, unsigned NumClauses, unsigned NumChildren, Params &&... P) { auto *Inst = new (C, ID, size(NumClauses, NumChildren)) @@ -133,7 +133,7 @@ public: SourceLocation L, ArrayRef VL); static OMPThreadPrivateDecl *CreateDeserialized(ASTContext &C, - unsigned ID, unsigned N); + GlobalDeclID ID, unsigned N); typedef MutableArrayRef::iterator varlist_iterator; typedef ArrayRef::iterator varlist_const_iterator; @@ -214,7 +214,7 @@ public: QualType T, OMPDeclareReductionDecl *PrevDeclInScope); /// Create deserialized declare reduction node. static OMPDeclareReductionDecl *CreateDeserialized(ASTContext &C, - unsigned ID); + GlobalDeclID ID); /// Get combiner expression of the declare reduction construct. Expr *getCombiner() { return Combiner; } @@ -318,8 +318,8 @@ public: ArrayRef Clauses, OMPDeclareMapperDecl *PrevDeclInScope); /// Creates deserialized declare mapper node. - static OMPDeclareMapperDecl *CreateDeserialized(ASTContext &C, unsigned ID, - unsigned N); + static OMPDeclareMapperDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID, unsigned N); using clauselist_iterator = MutableArrayRef::iterator; using clauselist_const_iterator = ArrayRef::iterator; @@ -397,7 +397,8 @@ public: IdentifierInfo *Id, QualType T, SourceLocation StartLoc); - static OMPCapturedExprDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static OMPCapturedExprDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID); SourceRange getSourceRange() const override LLVM_READONLY; @@ -427,7 +428,7 @@ public: static OMPRequiresDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation L, ArrayRef CL); /// Create deserialized requires node. - static OMPRequiresDecl *CreateDeserialized(ASTContext &C, unsigned ID, + static OMPRequiresDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned N); using clauselist_iterator = MutableArrayRef::iterator; @@ -495,7 +496,7 @@ public: static OMPAllocateDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation L, ArrayRef VL, ArrayRef CL); - static OMPAllocateDecl *CreateDeserialized(ASTContext &C, unsigned ID, + static OMPAllocateDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NVars, unsigned NClauses); typedef MutableArrayRef::iterator varlist_iterator; diff --git a/clang/include/clang/AST/DeclTemplate.h b/clang/include/clang/AST/DeclTemplate.h index f24e71ff229648d80336e76faef5abbe850a0fe9..3ee03eebdb8ca45d48358b8e52d2cce85553c5bf 100644 --- a/clang/include/clang/AST/DeclTemplate.h +++ b/clang/include/clang/AST/DeclTemplate.h @@ -797,7 +797,7 @@ protected: /// /// The first value in the array is the number of specializations/partial /// specializations that follow. - uint32_t *LazySpecializations = nullptr; + GlobalDeclID *LazySpecializations = nullptr; /// The set of "injected" template arguments used within this /// template. @@ -1087,7 +1087,8 @@ public: NamedDecl *Decl); /// Create an empty function template node. - static FunctionTemplateDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static FunctionTemplateDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID); // Implement isa/cast/dyncast support static bool classof(const Decl *D) { return classofKind(D->getKind()); } @@ -1204,9 +1205,9 @@ public: bool Typename, bool ParameterPack, bool HasTypeConstraint = false, std::optional NumExpanded = std::nullopt); static TemplateTypeParmDecl *CreateDeserialized(const ASTContext &C, - unsigned ID); + GlobalDeclID ID); static TemplateTypeParmDecl *CreateDeserialized(const ASTContext &C, - unsigned ID, + GlobalDeclID ID, bool HasTypeConstraint); /// Whether this template type parameter was declared with @@ -1413,11 +1414,10 @@ public: QualType T, TypeSourceInfo *TInfo, ArrayRef ExpandedTypes, ArrayRef ExpandedTInfos); + static NonTypeTemplateParmDecl * + CreateDeserialized(ASTContext &C, GlobalDeclID ID, bool HasTypeConstraint); static NonTypeTemplateParmDecl *CreateDeserialized(ASTContext &C, - unsigned ID, - bool HasTypeConstraint); - static NonTypeTemplateParmDecl *CreateDeserialized(ASTContext &C, - unsigned ID, + GlobalDeclID ID, unsigned NumExpandedTypes, bool HasTypeConstraint); @@ -1632,10 +1632,9 @@ public: ArrayRef Expansions); static TemplateTemplateParmDecl *CreateDeserialized(ASTContext &C, - unsigned ID); - static TemplateTemplateParmDecl *CreateDeserialized(ASTContext &C, - unsigned ID, - unsigned NumExpansions); + GlobalDeclID ID); + static TemplateTemplateParmDecl * + CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NumExpansions); using TemplateParmPosition::getDepth; using TemplateParmPosition::setDepth; @@ -1857,8 +1856,8 @@ public: ClassTemplateDecl *SpecializedTemplate, ArrayRef Args, ClassTemplateSpecializationDecl *PrevDecl); - static ClassTemplateSpecializationDecl * - CreateDeserialized(ASTContext &C, unsigned ID); + static ClassTemplateSpecializationDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID); void getNameForDiagnostic(raw_ostream &OS, const PrintingPolicy &Policy, bool Qualified) const override; @@ -2110,7 +2109,7 @@ public: ClassTemplatePartialSpecializationDecl *PrevDecl); static ClassTemplatePartialSpecializationDecl * - CreateDeserialized(ASTContext &C, unsigned ID); + CreateDeserialized(ASTContext &C, GlobalDeclID ID); ClassTemplatePartialSpecializationDecl *getMostRecentDecl() { return cast( @@ -2306,7 +2305,7 @@ public: NamedDecl *Decl); /// Create an empty class template node. - static ClassTemplateDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ClassTemplateDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); /// Return the specialization with the provided arguments if it exists, /// otherwise return the insertion point. @@ -2472,7 +2471,7 @@ public: MutableArrayRef Params, FriendUnion Friend, SourceLocation FriendLoc); - static FriendTemplateDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static FriendTemplateDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); /// If this friend declaration names a templated type (or /// a dependent member type of a templated type), return that @@ -2573,7 +2572,8 @@ public: NamedDecl *Decl); /// Create an empty alias template node. - static TypeAliasTemplateDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static TypeAliasTemplateDecl *CreateDeserialized(ASTContext &C, + GlobalDeclID ID); // Implement isa/cast/dyncast support static bool classof(const Decl *D) { return classofKind(D->getKind()); } @@ -2670,7 +2670,7 @@ public: TypeSourceInfo *TInfo, StorageClass S, ArrayRef Args); static VarTemplateSpecializationDecl *CreateDeserialized(ASTContext &C, - unsigned ID); + GlobalDeclID ID); void getNameForDiagnostic(raw_ostream &OS, const PrintingPolicy &Policy, bool Qualified) const override; @@ -2900,8 +2900,8 @@ public: TypeSourceInfo *TInfo, StorageClass S, ArrayRef Args, const TemplateArgumentListInfo &ArgInfos); - static VarTemplatePartialSpecializationDecl *CreateDeserialized(ASTContext &C, - unsigned ID); + static VarTemplatePartialSpecializationDecl * + CreateDeserialized(ASTContext &C, GlobalDeclID ID); VarTemplatePartialSpecializationDecl *getMostRecentDecl() { return cast( @@ -3078,7 +3078,7 @@ public: VarDecl *Decl); /// Create an empty variable template node. - static VarTemplateDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static VarTemplateDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); /// Return the specialization with the provided arguments if it exists, /// otherwise return the insertion point. @@ -3183,7 +3183,7 @@ public: SourceLocation L, DeclarationName Name, TemplateParameterList *Params, Expr *ConstraintExpr); - static ConceptDecl *CreateDeserialized(ASTContext &C, unsigned ID); + static ConceptDecl *CreateDeserialized(ASTContext &C, GlobalDeclID ID); Expr *getConstraintExpr() const { return ConstraintExpr; @@ -3232,7 +3232,7 @@ public: Create(const ASTContext &C, DeclContext *DC, SourceLocation SL, ArrayRef ConvertedArgs); static ImplicitConceptSpecializationDecl * - CreateDeserialized(const ASTContext &C, unsigned ID, + CreateDeserialized(const ASTContext &C, GlobalDeclID ID, unsigned NumTemplateArgs); ArrayRef getTemplateArguments() const { @@ -3275,7 +3275,7 @@ private: static TemplateParamObjectDecl *Create(const ASTContext &C, QualType T, const APValue &V); static TemplateParamObjectDecl *CreateDeserialized(ASTContext &C, - unsigned ID); + GlobalDeclID ID); /// Only ASTContext::getTemplateParamObjectDecl and deserialization /// create these. diff --git a/clang/include/clang/AST/Expr.h b/clang/include/clang/AST/Expr.h index 2bfefeabc348bee1cc399a43bfd8aa057a18ec3d..f2bf667636dc9b5d63864130240af4c01cfbc3ff 100644 --- a/clang/include/clang/AST/Expr.h +++ b/clang/include/clang/AST/Expr.h @@ -6610,6 +6610,275 @@ public: }; +/// This class represents BOTH the OpenMP Array Section and OpenACC 'subarray', +/// with a boolean differentiator. +/// OpenMP 5.0 [2.1.5, Array Sections]. +/// To specify an array section in an OpenMP construct, array subscript +/// expressions are extended with the following syntax: +/// \code +/// [ lower-bound : length : stride ] +/// [ lower-bound : length : ] +/// [ lower-bound : length ] +/// [ lower-bound : : stride ] +/// [ lower-bound : : ] +/// [ lower-bound : ] +/// [ : length : stride ] +/// [ : length : ] +/// [ : length ] +/// [ : : stride ] +/// [ : : ] +/// [ : ] +/// \endcode +/// The array section must be a subset of the original array. +/// Array sections are allowed on multidimensional arrays. Base language array +/// subscript expressions can be used to specify length-one dimensions of +/// multidimensional array sections. +/// Each of the lower-bound, length, and stride expressions if specified must be +/// an integral type expressions of the base language. When evaluated +/// they represent a set of integer values as follows: +/// \code +/// { lower-bound, lower-bound + stride, lower-bound + 2 * stride,... , +/// lower-bound + ((length - 1) * stride) } +/// \endcode +/// The lower-bound and length must evaluate to non-negative integers. +/// The stride must evaluate to a positive integer. +/// When the size of the array dimension is not known, the length must be +/// specified explicitly. +/// When the stride is absent it defaults to 1. +/// When the length is absent it defaults to ⌈(size − lower-bound)/stride⌉, +/// where size is the size of the array dimension. When the lower-bound is +/// absent it defaults to 0. +/// +/// +/// OpenACC 3.3 [2.7.1 Data Specification in Data Clauses] +/// In C and C++, a subarray is an array name followed by an extended array +/// range specification in brackets, with start and length, such as +/// +/// AA[2:n] +/// +/// If the lower bound is missing, zero is used. If the length is missing and +/// the array has known size, the size of the array is used; otherwise the +/// length is required. The subarray AA[2:n] means elements AA[2], AA[3], . . . +/// , AA[2+n-1]. In C and C++, a two dimensional array may be declared in at +/// least four ways: +/// +/// -Statically-sized array: float AA[100][200]; +/// -Pointer to statically sized rows: typedef float row[200]; row* BB; +/// -Statically-sized array of pointers: float* CC[200]; +/// -Pointer to pointers: float** DD; +/// +/// Each dimension may be statically sized, or a pointer to dynamically +/// allocated memory. Each of these may be included in a data clause using +/// subarray notation to specify a rectangular array: +/// +/// -AA[2:n][0:200] +/// -BB[2:n][0:m] +/// -CC[2:n][0:m] +/// -DD[2:n][0:m] +/// +/// Multidimensional rectangular subarrays in C and C++ may be specified for any +/// array with any combination of statically-sized or dynamically-allocated +/// dimensions. For statically sized dimensions, all dimensions except the first +/// must specify the whole extent to preserve the contiguous data restriction, +/// discussed below. For dynamically allocated dimensions, the implementation +/// will allocate pointers in device memory corresponding to the pointers in +/// local memory and will fill in those pointers as appropriate. +/// +/// In Fortran, a subarray is an array name followed by a comma-separated list +/// of range specifications in parentheses, with lower and upper bound +/// subscripts, such as +/// +/// arr(1:high,low:100) +/// +/// If either the lower or upper bounds are missing, the declared or allocated +/// bounds of the array, if known, are used. All dimensions except the last must +/// specify the whole extent, to preserve the contiguous data restriction, +/// discussed below. +/// +/// Restrictions +/// +/// -In Fortran, the upper bound for the last dimension of an assumed-size dummy +/// array must be specified. +/// +/// -In C and C++, the length for dynamically allocated dimensions of an array +/// must be explicitly specified. +/// +/// -In C and C++, modifying pointers in pointer arrays during the data +/// lifetime, either on the host or on the device, may result in undefined +/// behavior. +/// +/// -If a subarray appears in a data clause, the implementation may choose to +/// allocate memory for only that subarray on the accelerator. +/// +/// -In Fortran, array pointers may appear, but pointer association is not +/// preserved in device memory. +/// +/// -Any array or subarray in a data clause, including Fortran array pointers, +/// must be a contiguous section of memory, except for dynamic multidimensional +/// C arrays. +/// +/// -In C and C++, if a variable or array of composite type appears, all the +/// data members of the struct or class are allocated and copied, as +/// appropriate. If a composite member is a pointer type, the data addressed by +/// that pointer are not implicitly copied. +/// +/// -In Fortran, if a variable or array of composite type appears, all the +/// members of that derived type are allocated and copied, as appropriate. If +/// any member has the allocatable or pointer attribute, the data accessed +/// through that member are not copied. +/// +/// -If an expression is used in a subscript or subarray expression in a clause +/// on a data construct, the same value is used when copying data at the end of +/// the data region, even if the values of variables in the expression change +/// during the data region. +class ArraySectionExpr : public Expr { + friend class ASTStmtReader; + friend class ASTStmtWriter; + +public: + enum ArraySectionType { OMPArraySection, OpenACCArraySection }; + +private: + enum { + BASE, + LOWER_BOUND, + LENGTH, + STRIDE, + END_EXPR, + OPENACC_END_EXPR = STRIDE + }; + + ArraySectionType ASType = OMPArraySection; + Stmt *SubExprs[END_EXPR] = {nullptr}; + SourceLocation ColonLocFirst; + SourceLocation ColonLocSecond; + SourceLocation RBracketLoc; + +public: + // Constructor for OMP array sections, which include a 'stride'. + ArraySectionExpr(Expr *Base, Expr *LowerBound, Expr *Length, Expr *Stride, + QualType Type, ExprValueKind VK, ExprObjectKind OK, + SourceLocation ColonLocFirst, SourceLocation ColonLocSecond, + SourceLocation RBracketLoc) + : Expr(ArraySectionExprClass, Type, VK, OK), ASType(OMPArraySection), + ColonLocFirst(ColonLocFirst), ColonLocSecond(ColonLocSecond), + RBracketLoc(RBracketLoc) { + setBase(Base); + setLowerBound(LowerBound); + setLength(Length); + setStride(Stride); + setDependence(computeDependence(this)); + } + + // Constructor for OpenACC sub-arrays, which do not permit a 'stride'. + ArraySectionExpr(Expr *Base, Expr *LowerBound, Expr *Length, QualType Type, + ExprValueKind VK, ExprObjectKind OK, SourceLocation ColonLoc, + SourceLocation RBracketLoc) + : Expr(ArraySectionExprClass, Type, VK, OK), ASType(OpenACCArraySection), + ColonLocFirst(ColonLoc), RBracketLoc(RBracketLoc) { + setBase(Base); + setLowerBound(LowerBound); + setLength(Length); + setDependence(computeDependence(this)); + } + + /// Create an empty array section expression. + explicit ArraySectionExpr(EmptyShell Shell) + : Expr(ArraySectionExprClass, Shell) {} + + /// Return original type of the base expression for array section. + static QualType getBaseOriginalType(const Expr *Base); + + static bool classof(const Stmt *T) { + return T->getStmtClass() == ArraySectionExprClass; + } + + bool isOMPArraySection() const { return ASType == OMPArraySection; } + bool isOpenACCArraySection() const { return ASType == OpenACCArraySection; } + + /// Get base of the array section. + Expr *getBase() { return cast(SubExprs[BASE]); } + const Expr *getBase() const { return cast(SubExprs[BASE]); } + + /// Get lower bound of array section. + Expr *getLowerBound() { return cast_or_null(SubExprs[LOWER_BOUND]); } + const Expr *getLowerBound() const { + return cast_or_null(SubExprs[LOWER_BOUND]); + } + + /// Get length of array section. + Expr *getLength() { return cast_or_null(SubExprs[LENGTH]); } + const Expr *getLength() const { return cast_or_null(SubExprs[LENGTH]); } + + /// Get stride of array section. + Expr *getStride() { + assert(ASType != OpenACCArraySection && + "Stride not valid in OpenACC subarrays"); + return cast_or_null(SubExprs[STRIDE]); + } + + const Expr *getStride() const { + assert(ASType != OpenACCArraySection && + "Stride not valid in OpenACC subarrays"); + return cast_or_null(SubExprs[STRIDE]); + } + + SourceLocation getBeginLoc() const LLVM_READONLY { + return getBase()->getBeginLoc(); + } + SourceLocation getEndLoc() const LLVM_READONLY { return RBracketLoc; } + + SourceLocation getColonLocFirst() const { return ColonLocFirst; } + SourceLocation getColonLocSecond() const { + assert(ASType != OpenACCArraySection && + "second colon for stride not valid in OpenACC subarrays"); + return ColonLocSecond; + } + SourceLocation getRBracketLoc() const { return RBracketLoc; } + + SourceLocation getExprLoc() const LLVM_READONLY { + return getBase()->getExprLoc(); + } + + child_range children() { + return child_range( + &SubExprs[BASE], + &SubExprs[ASType == OMPArraySection ? END_EXPR : OPENACC_END_EXPR]); + } + + const_child_range children() const { + return const_child_range( + &SubExprs[BASE], + &SubExprs[ASType == OMPArraySection ? END_EXPR : OPENACC_END_EXPR]); + } + +private: + /// Set base of the array section. + void setBase(Expr *E) { SubExprs[BASE] = E; } + + /// Set lower bound of the array section. + void setLowerBound(Expr *E) { SubExprs[LOWER_BOUND] = E; } + + /// Set length of the array section. + void setLength(Expr *E) { SubExprs[LENGTH] = E; } + + /// Set length of the array section. + void setStride(Expr *E) { + assert(ASType != OpenACCArraySection && + "Stride not valid in OpenACC subarrays"); + SubExprs[STRIDE] = E; + } + + void setColonLocFirst(SourceLocation L) { ColonLocFirst = L; } + + void setColonLocSecond(SourceLocation L) { + assert(ASType != OpenACCArraySection && + "second colon for stride not valid in OpenACC subarrays"); + ColonLocSecond = L; + } + void setRBracketLoc(SourceLocation L) { RBracketLoc = L; } +}; + /// Frontend produces RecoveryExprs on semantic errors that prevent creating /// other well-formed expressions. E.g. when type-checking of a binary operator /// fails, we cannot produce a BinaryOperator expression. Instead, we can choose diff --git a/clang/include/clang/AST/ExprCXX.h b/clang/include/clang/AST/ExprCXX.h index d28e5c3a78ee4bbb9c76ddb2d229a9d99372ab19..ab3f810b45192b5ca9e98b734aa872ab1402c48d 100644 --- a/clang/include/clang/AST/ExprCXX.h +++ b/clang/include/clang/AST/ExprCXX.h @@ -1482,6 +1482,8 @@ public: /// const S &s_ref = S(); // Requires a CXXBindTemporaryExpr. /// } /// \endcode +/// +/// Destructor might be null if destructor declaration is not valid. class CXXBindTemporaryExpr : public Expr { CXXTemporary *Temp = nullptr; Stmt *SubExpr = nullptr; @@ -3198,7 +3200,6 @@ class UnresolvedLookupExpr final NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo, bool RequiresADL, - bool Overloaded, const TemplateArgumentListInfo *TemplateArgs, UnresolvedSetIterator Begin, UnresolvedSetIterator End, bool KnownDependent); @@ -3218,8 +3219,9 @@ public: static UnresolvedLookupExpr * Create(const ASTContext &Context, CXXRecordDecl *NamingClass, NestedNameSpecifierLoc QualifierLoc, - const DeclarationNameInfo &NameInfo, bool RequiresADL, bool Overloaded, - UnresolvedSetIterator Begin, UnresolvedSetIterator End); + const DeclarationNameInfo &NameInfo, bool RequiresADL, + UnresolvedSetIterator Begin, UnresolvedSetIterator End, + bool KnownDependent); // After canonicalization, there may be dependent template arguments in // CanonicalConverted But none of Args is dependent. When any of @@ -3240,9 +3242,6 @@ public: /// argument-dependent lookup. bool requiresADL() const { return UnresolvedLookupExprBits.RequiresADL; } - /// True if this lookup is overloaded. - bool isOverloaded() const { return UnresolvedLookupExprBits.Overloaded; } - /// Gets the 'naming class' (in the sense of C++0x /// [class.access.base]p5) of the lookup. This is the scope /// that was looked in to find these results. diff --git a/clang/include/clang/AST/ExprOpenMP.h b/clang/include/clang/AST/ExprOpenMP.h index be5b1f3fdd112f1008891aa3abcfc7854ff32a19..54a0c203f656c3585ef440c8aea0fbfac404a787 100644 --- a/clang/include/clang/AST/ExprOpenMP.h +++ b/clang/include/clang/AST/ExprOpenMP.h @@ -17,130 +17,6 @@ #include "clang/AST/Expr.h" namespace clang { -/// OpenMP 5.0 [2.1.5, Array Sections]. -/// To specify an array section in an OpenMP construct, array subscript -/// expressions are extended with the following syntax: -/// \code -/// [ lower-bound : length : stride ] -/// [ lower-bound : length : ] -/// [ lower-bound : length ] -/// [ lower-bound : : stride ] -/// [ lower-bound : : ] -/// [ lower-bound : ] -/// [ : length : stride ] -/// [ : length : ] -/// [ : length ] -/// [ : : stride ] -/// [ : : ] -/// [ : ] -/// \endcode -/// The array section must be a subset of the original array. -/// Array sections are allowed on multidimensional arrays. Base language array -/// subscript expressions can be used to specify length-one dimensions of -/// multidimensional array sections. -/// Each of the lower-bound, length, and stride expressions if specified must be -/// an integral type expressions of the base language. When evaluated -/// they represent a set of integer values as follows: -/// \code -/// { lower-bound, lower-bound + stride, lower-bound + 2 * stride,... , -/// lower-bound + ((length - 1) * stride) } -/// \endcode -/// The lower-bound and length must evaluate to non-negative integers. -/// The stride must evaluate to a positive integer. -/// When the size of the array dimension is not known, the length must be -/// specified explicitly. -/// When the stride is absent it defaults to 1. -/// When the length is absent it defaults to ⌈(size − lower-bound)/stride⌉, -/// where size is the size of the array dimension. When the lower-bound is -/// absent it defaults to 0. -class OMPArraySectionExpr : public Expr { - enum { BASE, LOWER_BOUND, LENGTH, STRIDE, END_EXPR }; - Stmt *SubExprs[END_EXPR]; - SourceLocation ColonLocFirst; - SourceLocation ColonLocSecond; - SourceLocation RBracketLoc; - -public: - OMPArraySectionExpr(Expr *Base, Expr *LowerBound, Expr *Length, Expr *Stride, - QualType Type, ExprValueKind VK, ExprObjectKind OK, - SourceLocation ColonLocFirst, - SourceLocation ColonLocSecond, SourceLocation RBracketLoc) - : Expr(OMPArraySectionExprClass, Type, VK, OK), - ColonLocFirst(ColonLocFirst), ColonLocSecond(ColonLocSecond), - RBracketLoc(RBracketLoc) { - SubExprs[BASE] = Base; - SubExprs[LOWER_BOUND] = LowerBound; - SubExprs[LENGTH] = Length; - SubExprs[STRIDE] = Stride; - setDependence(computeDependence(this)); - } - - /// Create an empty array section expression. - explicit OMPArraySectionExpr(EmptyShell Shell) - : Expr(OMPArraySectionExprClass, Shell) {} - - /// An array section can be written only as Base[LowerBound:Length]. - - /// Get base of the array section. - Expr *getBase() { return cast(SubExprs[BASE]); } - const Expr *getBase() const { return cast(SubExprs[BASE]); } - /// Set base of the array section. - void setBase(Expr *E) { SubExprs[BASE] = E; } - - /// Return original type of the base expression for array section. - static QualType getBaseOriginalType(const Expr *Base); - - /// Get lower bound of array section. - Expr *getLowerBound() { return cast_or_null(SubExprs[LOWER_BOUND]); } - const Expr *getLowerBound() const { - return cast_or_null(SubExprs[LOWER_BOUND]); - } - /// Set lower bound of the array section. - void setLowerBound(Expr *E) { SubExprs[LOWER_BOUND] = E; } - - /// Get length of array section. - Expr *getLength() { return cast_or_null(SubExprs[LENGTH]); } - const Expr *getLength() const { return cast_or_null(SubExprs[LENGTH]); } - /// Set length of the array section. - void setLength(Expr *E) { SubExprs[LENGTH] = E; } - - /// Get stride of array section. - Expr *getStride() { return cast_or_null(SubExprs[STRIDE]); } - const Expr *getStride() const { return cast_or_null(SubExprs[STRIDE]); } - /// Set length of the array section. - void setStride(Expr *E) { SubExprs[STRIDE] = E; } - - SourceLocation getBeginLoc() const LLVM_READONLY { - return getBase()->getBeginLoc(); - } - SourceLocation getEndLoc() const LLVM_READONLY { return RBracketLoc; } - - SourceLocation getColonLocFirst() const { return ColonLocFirst; } - void setColonLocFirst(SourceLocation L) { ColonLocFirst = L; } - - SourceLocation getColonLocSecond() const { return ColonLocSecond; } - void setColonLocSecond(SourceLocation L) { ColonLocSecond = L; } - - SourceLocation getRBracketLoc() const { return RBracketLoc; } - void setRBracketLoc(SourceLocation L) { RBracketLoc = L; } - - SourceLocation getExprLoc() const LLVM_READONLY { - return getBase()->getExprLoc(); - } - - static bool classof(const Stmt *T) { - return T->getStmtClass() == OMPArraySectionExprClass; - } - - child_range children() { - return child_range(&SubExprs[BASE], &SubExprs[END_EXPR]); - } - - const_child_range children() const { - return const_child_range(&SubExprs[BASE], &SubExprs[END_EXPR]); - } -}; - /// An explicit cast in C or a C-style cast in C++, which uses the syntax /// ([s1][s2]...[sn])expr. For example: @c ([3][3])f. class OMPArrayShapingExpr final diff --git a/clang/include/clang/AST/ExternalASTSource.h b/clang/include/clang/AST/ExternalASTSource.h index 230c83943c2224469f59e40d5eb264a262e453d3..385c32edbae0fdba3218d0711bee53fa3f72bd68 100644 --- a/clang/include/clang/AST/ExternalASTSource.h +++ b/clang/include/clang/AST/ExternalASTSource.h @@ -99,7 +99,7 @@ public: /// passes back decl sets as VisibleDeclaration objects. /// /// The default implementation of this method is a no-op. - virtual Decl *GetExternalDecl(uint32_t ID); + virtual Decl *GetExternalDecl(GlobalDeclID ID); /// Resolve a selector ID into a selector. /// @@ -375,7 +375,7 @@ public: if (isOffset()) { assert(Source && "Cannot deserialize a lazy pointer without an AST source"); - Ptr = reinterpret_cast((Source->*Get)(Ptr >> 1)); + Ptr = reinterpret_cast((Source->*Get)(OffsT(Ptr >> 1))); } return reinterpret_cast(Ptr); } @@ -579,7 +579,7 @@ using LazyDeclStmtPtr = /// A lazy pointer to a declaration. using LazyDeclPtr = - LazyOffsetPtr; + LazyOffsetPtr; /// A lazy pointer to a set of CXXCtorInitializers. using LazyCXXCtorInitializersPtr = diff --git a/clang/include/clang/AST/NestedNameSpecifier.h b/clang/include/clang/AST/NestedNameSpecifier.h index 7b0c21b9e7cfb1515789809bee50566bedbad480..a1d9e30e660d143610d3fdd22fcfcecff3443476 100644 --- a/clang/include/clang/AST/NestedNameSpecifier.h +++ b/clang/include/clang/AST/NestedNameSpecifier.h @@ -266,7 +266,7 @@ public: explicit operator bool() const { return Qualifier; } /// Evaluates true when this nested-name-specifier location is - /// empty. + /// non-empty. bool hasQualifier() const { return Qualifier; } /// Retrieve the nested-name-specifier to which this instance diff --git a/clang/include/clang/AST/OpenACCClause.h b/clang/include/clang/AST/OpenACCClause.h index 07587849eb12190a8a8a097bbb57cb4a9abedc2f..bb4cb1f5d5080bd33103645e267b1e948e91d6ca 100644 --- a/clang/include/clang/AST/OpenACCClause.h +++ b/clang/include/clang/AST/OpenACCClause.h @@ -156,6 +156,144 @@ public: Expr *ConditionExpr, SourceLocation EndLoc); }; +/// Represents a clause that has one or more expressions associated with it. +class OpenACCClauseWithExprs : public OpenACCClauseWithParams { + MutableArrayRef Exprs; + +protected: + OpenACCClauseWithExprs(OpenACCClauseKind K, SourceLocation BeginLoc, + SourceLocation LParenLoc, SourceLocation EndLoc) + : OpenACCClauseWithParams(K, BeginLoc, LParenLoc, EndLoc) {} + + /// Used only for initialization, the leaf class can initialize this to + /// trailing storage. + void setExprs(MutableArrayRef NewExprs) { + assert(Exprs.empty() && "Cannot change Exprs list"); + Exprs = NewExprs; + } + + /// Gets the entire list of expressions, but leave it to the + /// individual clauses to expose this how they'd like. + llvm::ArrayRef getExprs() const { return Exprs; } + +public: + child_range children() { + return child_range(reinterpret_cast(Exprs.begin()), + reinterpret_cast(Exprs.end())); + } + + const_child_range children() const { + child_range Children = + const_cast(this)->children(); + return const_child_range(Children.begin(), Children.end()); + } +}; + +class OpenACCNumGangsClause final + : public OpenACCClauseWithExprs, + public llvm::TrailingObjects { + + OpenACCNumGangsClause(SourceLocation BeginLoc, SourceLocation LParenLoc, + ArrayRef IntExprs, SourceLocation EndLoc) + : OpenACCClauseWithExprs(OpenACCClauseKind::NumGangs, BeginLoc, LParenLoc, + EndLoc) { + std::uninitialized_copy(IntExprs.begin(), IntExprs.end(), + getTrailingObjects()); + setExprs(MutableArrayRef(getTrailingObjects(), IntExprs.size())); + } + +public: + static OpenACCNumGangsClause * + Create(const ASTContext &C, SourceLocation BeginLoc, SourceLocation LParenLoc, + ArrayRef IntExprs, SourceLocation EndLoc); + + llvm::ArrayRef getIntExprs() { + return OpenACCClauseWithExprs::getExprs(); + } + + llvm::ArrayRef getIntExprs() const { + return OpenACCClauseWithExprs::getExprs(); + } +}; + +/// Represents one of a handful of clauses that have a single integer +/// expression. +class OpenACCClauseWithSingleIntExpr : public OpenACCClauseWithExprs { + Expr *IntExpr; + +protected: + OpenACCClauseWithSingleIntExpr(OpenACCClauseKind K, SourceLocation BeginLoc, + SourceLocation LParenLoc, Expr *IntExpr, + SourceLocation EndLoc) + : OpenACCClauseWithExprs(K, BeginLoc, LParenLoc, EndLoc), + IntExpr(IntExpr) { + setExprs(MutableArrayRef{&this->IntExpr, 1}); + } + +public: + bool hasIntExpr() const { return !getExprs().empty(); } + const Expr *getIntExpr() const { + return hasIntExpr() ? getExprs()[0] : nullptr; + } + + Expr *getIntExpr() { return hasIntExpr() ? getExprs()[0] : nullptr; }; +}; + +class OpenACCNumWorkersClause : public OpenACCClauseWithSingleIntExpr { + OpenACCNumWorkersClause(SourceLocation BeginLoc, SourceLocation LParenLoc, + Expr *IntExpr, SourceLocation EndLoc); + +public: + static OpenACCNumWorkersClause *Create(const ASTContext &C, + SourceLocation BeginLoc, + SourceLocation LParenLoc, + Expr *IntExpr, SourceLocation EndLoc); +}; + +class OpenACCVectorLengthClause : public OpenACCClauseWithSingleIntExpr { + OpenACCVectorLengthClause(SourceLocation BeginLoc, SourceLocation LParenLoc, + Expr *IntExpr, SourceLocation EndLoc); + +public: + static OpenACCVectorLengthClause * + Create(const ASTContext &C, SourceLocation BeginLoc, SourceLocation LParenLoc, + Expr *IntExpr, SourceLocation EndLoc); +}; + +/// Represents a clause with one or more 'var' objects, represented as an expr, +/// as its arguments. Var-list is expected to be stored in trailing storage. +/// For now, we're just storing the original expression in its entirety, unlike +/// OMP which has to do a bunch of work to create a private. +class OpenACCClauseWithVarList : public OpenACCClauseWithExprs { +protected: + OpenACCClauseWithVarList(OpenACCClauseKind K, SourceLocation BeginLoc, + SourceLocation LParenLoc, SourceLocation EndLoc) + : OpenACCClauseWithExprs(K, BeginLoc, LParenLoc, EndLoc) {} + +public: + ArrayRef getVarList() { return getExprs(); } + ArrayRef getVarList() const { return getExprs(); } +}; + +class OpenACCPrivateClause final + : public OpenACCClauseWithVarList, + public llvm::TrailingObjects { + + OpenACCPrivateClause(SourceLocation BeginLoc, SourceLocation LParenLoc, + ArrayRef VarList, SourceLocation EndLoc) + : OpenACCClauseWithVarList(OpenACCClauseKind::Private, BeginLoc, + LParenLoc, EndLoc) { + std::uninitialized_copy(VarList.begin(), VarList.end(), + getTrailingObjects()); + setExprs(MutableArrayRef(getTrailingObjects(), VarList.size())); + } + +public: + static OpenACCPrivateClause * + Create(const ASTContext &C, SourceLocation BeginLoc, SourceLocation LParenLoc, + ArrayRef VarList, SourceLocation EndLoc); +}; + template class OpenACCClauseVisitor { Impl &getDerived() { return static_cast(*this); } @@ -194,6 +332,9 @@ public: class OpenACCClausePrinter final : public OpenACCClauseVisitor { raw_ostream &OS; + const PrintingPolicy &Policy; + + void printExpr(const Expr *E); public: void VisitClauseList(ArrayRef List) { @@ -204,7 +345,8 @@ public: OS << ' '; } } - OpenACCClausePrinter(raw_ostream &OS) : OS(OS) {} + OpenACCClausePrinter(raw_ostream &OS, const PrintingPolicy &Policy) + : OS(OS), Policy(Policy) {} #define VISIT_CLAUSE(CLAUSE_NAME) \ void Visit##CLAUSE_NAME##Clause(const OpenACC##CLAUSE_NAME##Clause &Clause); diff --git a/clang/include/clang/AST/RecursiveASTVisitor.h b/clang/include/clang/AST/RecursiveASTVisitor.h index 7eb92e304a3856bcdbc70bb9733e108389df3778..f9b145b4e86a5579dc13760ecce791468620c681 100644 --- a/clang/include/clang/AST/RecursiveASTVisitor.h +++ b/clang/include/clang/AST/RecursiveASTVisitor.h @@ -2740,7 +2740,7 @@ DEF_TRAVERSE_STMT(CXXMemberCallExpr, {}) DEF_TRAVERSE_STMT(AddrLabelExpr, {}) DEF_TRAVERSE_STMT(ArraySubscriptExpr, {}) DEF_TRAVERSE_STMT(MatrixSubscriptExpr, {}) -DEF_TRAVERSE_STMT(OMPArraySectionExpr, {}) +DEF_TRAVERSE_STMT(ArraySectionExpr, {}) DEF_TRAVERSE_STMT(OMPArrayShapingExpr, {}) DEF_TRAVERSE_STMT(OMPIteratorExpr, {}) diff --git a/clang/include/clang/AST/Stmt.h b/clang/include/clang/AST/Stmt.h index 1b9c9231047717bd32f2c19d77f18264eed512bf..9cd7a364cd3f1dcd8f8c2dfddfec2017d402e57d 100644 --- a/clang/include/clang/AST/Stmt.h +++ b/clang/include/clang/AST/Stmt.h @@ -1067,11 +1067,6 @@ protected: /// argument-dependent lookup if this is the operand of a function call. LLVM_PREFERRED_TYPE(bool) unsigned RequiresADL : 1; - - /// True if these lookup results are overloaded. This is pretty trivially - /// rederivable if we urgently need to kill this field. - LLVM_PREFERRED_TYPE(bool) - unsigned Overloaded : 1; }; static_assert(sizeof(UnresolvedLookupExprBitfields) <= 4, "UnresolvedLookupExprBitfields must be <= than 4 bytes to" diff --git a/clang/include/clang/AST/Type.h b/clang/include/clang/AST/Type.h index 99f45d518c7960fab956a317719a6870a2c8fdf4..e6643469e0b3344937d69beeee77e37d8bfed37e 100644 --- a/clang/include/clang/AST/Type.h +++ b/clang/include/clang/AST/Type.h @@ -25,8 +25,10 @@ #include "clang/Basic/Diagnostic.h" #include "clang/Basic/ExceptionSpecificationType.h" #include "clang/Basic/LLVM.h" +#include "clang/Basic/LangOptions.h" #include "clang/Basic/Linkage.h" #include "clang/Basic/PartialDiagnostic.h" +#include "clang/Basic/PointerAuthOptions.h" #include "clang/Basic/SourceLocation.h" #include "clang/Basic/Specifiers.h" #include "clang/Basic/Visibility.h" @@ -139,6 +141,174 @@ using CanQualType = CanQual; #define TYPE(Class, Base) class Class##Type; #include "clang/AST/TypeNodes.inc" +/// Pointer-authentication qualifiers. +class PointerAuthQualifier { + enum : uint32_t { + EnabledShift = 0, + EnabledBits = 1, + EnabledMask = 1 << EnabledShift, + AddressDiscriminatedShift = EnabledShift + EnabledBits, + AddressDiscriminatedBits = 1, + AddressDiscriminatedMask = 1 << AddressDiscriminatedShift, + AuthenticationModeShift = + AddressDiscriminatedShift + AddressDiscriminatedBits, + AuthenticationModeBits = 2, + AuthenticationModeMask = ((1 << AuthenticationModeBits) - 1) + << AuthenticationModeShift, + IsaPointerShift = AuthenticationModeShift + AuthenticationModeBits, + IsaPointerBits = 1, + IsaPointerMask = ((1 << IsaPointerBits) - 1) << IsaPointerShift, + AuthenticatesNullValuesShift = IsaPointerShift + IsaPointerBits, + AuthenticatesNullValuesBits = 1, + AuthenticatesNullValuesMask = ((1 << AuthenticatesNullValuesBits) - 1) + << AuthenticatesNullValuesShift, + KeyShift = AuthenticatesNullValuesShift + AuthenticatesNullValuesBits, + KeyBits = 10, + KeyMask = ((1 << KeyBits) - 1) << KeyShift, + DiscriminatorShift = KeyShift + KeyBits, + DiscriminatorBits = 16, + DiscriminatorMask = ((1u << DiscriminatorBits) - 1) << DiscriminatorShift, + }; + + // bits: |0 |1 |2..3 |4 | + // |Enabled|Address|AuthenticationMode|ISA pointer| + // bits: |5 |6..15| 16...31 | + // |AuthenticatesNull|Key |Discriminator| + uint32_t Data = 0; + + // The following static assertions check that each of the 32 bits is present + // exactly in one of the constants. + static_assert((EnabledBits + AddressDiscriminatedBits + + AuthenticationModeBits + IsaPointerBits + + AuthenticatesNullValuesBits + KeyBits + DiscriminatorBits) == + 32, + "PointerAuthQualifier should be exactly 32 bits"); + static_assert((EnabledMask + AddressDiscriminatedMask + + AuthenticationModeMask + IsaPointerMask + + AuthenticatesNullValuesMask + KeyMask + DiscriminatorMask) == + 0xFFFFFFFF, + "All masks should cover the entire bits"); + static_assert((EnabledMask ^ AddressDiscriminatedMask ^ + AuthenticationModeMask ^ IsaPointerMask ^ + AuthenticatesNullValuesMask ^ KeyMask ^ DiscriminatorMask) == + 0xFFFFFFFF, + "All masks should cover the entire bits"); + + PointerAuthQualifier(unsigned Key, bool IsAddressDiscriminated, + unsigned ExtraDiscriminator, + PointerAuthenticationMode AuthenticationMode, + bool IsIsaPointer, bool AuthenticatesNullValues) + : Data(EnabledMask | + (IsAddressDiscriminated + ? llvm::to_underlying(AddressDiscriminatedMask) + : 0) | + (Key << KeyShift) | + (llvm::to_underlying(AuthenticationMode) + << AuthenticationModeShift) | + (ExtraDiscriminator << DiscriminatorShift) | + (IsIsaPointer << IsaPointerShift) | + (AuthenticatesNullValues << AuthenticatesNullValuesShift)) { + assert(Key <= KeyNoneInternal); + assert(ExtraDiscriminator <= MaxDiscriminator); + assert((Data == 0) == + (getAuthenticationMode() == PointerAuthenticationMode::None)); + } + +public: + enum { + KeyNoneInternal = (1u << KeyBits) - 1, + + /// The maximum supported pointer-authentication key. + MaxKey = KeyNoneInternal - 1, + + /// The maximum supported pointer-authentication discriminator. + MaxDiscriminator = (1u << DiscriminatorBits) - 1 + }; + +public: + PointerAuthQualifier() = default; + + static PointerAuthQualifier + Create(unsigned Key, bool IsAddressDiscriminated, unsigned ExtraDiscriminator, + PointerAuthenticationMode AuthenticationMode, bool IsIsaPointer, + bool AuthenticatesNullValues) { + if (Key == PointerAuthKeyNone) + Key = KeyNoneInternal; + assert(Key <= KeyNoneInternal && "out-of-range key value"); + return PointerAuthQualifier(Key, IsAddressDiscriminated, ExtraDiscriminator, + AuthenticationMode, IsIsaPointer, + AuthenticatesNullValues); + } + + bool isPresent() const { + assert((Data == 0) == + (getAuthenticationMode() == PointerAuthenticationMode::None)); + return Data != 0; + } + + explicit operator bool() const { return isPresent(); } + + unsigned getKey() const { + assert(isPresent()); + return (Data & KeyMask) >> KeyShift; + } + + bool hasKeyNone() const { return isPresent() && getKey() == KeyNoneInternal; } + + bool isAddressDiscriminated() const { + assert(isPresent()); + return (Data & AddressDiscriminatedMask) >> AddressDiscriminatedShift; + } + + unsigned getExtraDiscriminator() const { + assert(isPresent()); + return (Data >> DiscriminatorShift); + } + + PointerAuthenticationMode getAuthenticationMode() const { + return PointerAuthenticationMode((Data & AuthenticationModeMask) >> + AuthenticationModeShift); + } + + bool isIsaPointer() const { + assert(isPresent()); + return (Data & IsaPointerMask) >> IsaPointerShift; + } + + bool authenticatesNullValues() const { + assert(isPresent()); + return (Data & AuthenticatesNullValuesMask) >> AuthenticatesNullValuesShift; + } + + PointerAuthQualifier withoutKeyNone() const { + return hasKeyNone() ? PointerAuthQualifier() : *this; + } + + friend bool operator==(PointerAuthQualifier Lhs, PointerAuthQualifier Rhs) { + return Lhs.Data == Rhs.Data; + } + friend bool operator!=(PointerAuthQualifier Lhs, PointerAuthQualifier Rhs) { + return Lhs.Data != Rhs.Data; + } + + bool isEquivalent(PointerAuthQualifier Other) const { + return withoutKeyNone() == Other.withoutKeyNone(); + } + + uint32_t getAsOpaqueValue() const { return Data; } + + // Deserialize pointer-auth qualifiers from an opaque representation. + static PointerAuthQualifier fromOpaqueValue(uint32_t Opaque) { + PointerAuthQualifier Result; + Result.Data = Opaque; + assert((Result.Data == 0) == + (Result.getAuthenticationMode() == PointerAuthenticationMode::None)); + return Result; + } + + void Profile(llvm::FoldingSetNodeID &ID) const { ID.AddInteger(Data); } +}; + /// The collection of all-type qualifiers we support. /// Clang supports five independent qualifiers: /// * C99: const, volatile, and restrict @@ -147,8 +317,9 @@ using CanQualType = CanQual; /// * Objective C: the GC attributes (none, weak, or strong) class Qualifiers { public: - enum TQ { // NOTE: These flags must be kept in sync with DeclSpec::TQ. - Const = 0x1, + enum TQ : uint64_t { + // NOTE: These flags must be kept in sync with DeclSpec::TQ. + Const = 0x1, Restrict = 0x2, Volatile = 0x4, CVRMask = Const | Volatile | Restrict @@ -182,7 +353,7 @@ public: OCL_Autoreleasing }; - enum { + enum : uint64_t { /// The maximum supported address space number. /// 23 bits should be enough for anyone. MaxAddressSpace = 0x7fffffu, @@ -197,16 +368,25 @@ public: /// Returns the common set of qualifiers while removing them from /// the given sets. static Qualifiers removeCommonQualifiers(Qualifiers &L, Qualifiers &R) { + Qualifiers Q; + PointerAuthQualifier LPtrAuth = L.getPointerAuth(); + if (LPtrAuth.isPresent() && + LPtrAuth.getKey() != PointerAuthQualifier::KeyNoneInternal && + LPtrAuth == R.getPointerAuth()) { + Q.setPointerAuth(LPtrAuth); + PointerAuthQualifier Empty; + L.setPointerAuth(Empty); + R.setPointerAuth(Empty); + } + // If both are only CVR-qualified, bit operations are sufficient. if (!(L.Mask & ~CVRMask) && !(R.Mask & ~CVRMask)) { - Qualifiers Q; Q.Mask = L.Mask & R.Mask; L.Mask &= ~Q.Mask; R.Mask &= ~Q.Mask; return Q; } - Qualifiers Q; unsigned CommonCRV = L.getCVRQualifiers() & R.getCVRQualifiers(); Q.addCVRQualifiers(CommonCRV); L.removeCVRQualifiers(CommonCRV); @@ -251,16 +431,14 @@ public: } // Deserialize qualifiers from an opaque representation. - static Qualifiers fromOpaqueValue(unsigned opaque) { + static Qualifiers fromOpaqueValue(uint64_t opaque) { Qualifiers Qs; Qs.Mask = opaque; return Qs; } // Serialize these qualifiers into an opaque representation. - unsigned getAsOpaqueValue() const { - return Mask; - } + uint64_t getAsOpaqueValue() const { return Mask; } bool hasConst() const { return Mask & Const; } bool hasOnlyConst() const { return Mask == Const; } @@ -302,7 +480,7 @@ public: } void removeCVRQualifiers(unsigned mask) { assert(!(mask & ~CVRMask) && "bitmask contains non-CVR bits"); - Mask &= ~mask; + Mask &= ~static_cast(mask); } void removeCVRQualifiers() { removeCVRQualifiers(CVRMask); @@ -407,6 +585,20 @@ public: setAddressSpace(space); } + bool hasPointerAuth() const { return Mask & PtrAuthMask; } + PointerAuthQualifier getPointerAuth() const { + return PointerAuthQualifier::fromOpaqueValue(Mask >> PtrAuthShift); + } + void setPointerAuth(PointerAuthQualifier Q) { + Mask = (Mask & ~PtrAuthMask) | + (uint64_t(Q.getAsOpaqueValue()) << PtrAuthShift); + } + void removePointerAuth() { Mask &= ~PtrAuthMask; } + void addPointerAuth(PointerAuthQualifier Q) { + assert(Q.isPresent()); + setPointerAuth(Q); + } + // Fast qualifiers are those that can be allocated directly // on a QualType object. bool hasFastQualifiers() const { return getFastQualifiers(); } @@ -417,7 +609,7 @@ public: } void removeFastQualifiers(unsigned mask) { assert(!(mask & ~FastMask) && "bitmask contains non-fast qualifier bits"); - Mask &= ~mask; + Mask &= ~static_cast(mask); } void removeFastQualifiers() { removeFastQualifiers(FastMask); @@ -454,6 +646,8 @@ public: addObjCGCAttr(Q.getObjCGCAttr()); if (Q.hasObjCLifetime()) addObjCLifetime(Q.getObjCLifetime()); + if (Q.hasPointerAuth()) + addPointerAuth(Q.getPointerAuth()); } } @@ -471,6 +665,8 @@ public: removeObjCLifetime(); if (getAddressSpace() == Q.getAddressSpace()) removeAddressSpace(); + if (getPointerAuth() == Q.getPointerAuth()) + removePointerAuth(); } } @@ -483,6 +679,8 @@ public: !hasObjCGCAttr() || !qs.hasObjCGCAttr()); assert(getObjCLifetime() == qs.getObjCLifetime() || !hasObjCLifetime() || !qs.hasObjCLifetime()); + assert(!hasPointerAuth() || !qs.hasPointerAuth() || + getPointerAuth() == qs.getPointerAuth()); Mask |= qs.Mask; } @@ -536,6 +734,8 @@ public: // be changed. (getObjCGCAttr() == other.getObjCGCAttr() || !hasObjCGCAttr() || !other.hasObjCGCAttr()) && + // Pointer-auth qualifiers must match exactly. + getPointerAuth() == other.getPointerAuth() && // ObjC lifetime qualifiers must match exactly. getObjCLifetime() == other.getObjCLifetime() && // CVR qualifiers may subset. @@ -605,24 +805,26 @@ public: void print(raw_ostream &OS, const PrintingPolicy &Policy, bool appendSpaceIfNonEmpty = false) const; - void Profile(llvm::FoldingSetNodeID &ID) const { - ID.AddInteger(Mask); - } + void Profile(llvm::FoldingSetNodeID &ID) const { ID.AddInteger(Mask); } private: - // bits: |0 1 2|3|4 .. 5|6 .. 8|9 ... 31| - // |C R V|U|GCAttr|Lifetime|AddressSpace| - uint32_t Mask = 0; - - static const uint32_t UMask = 0x8; - static const uint32_t UShift = 3; - static const uint32_t GCAttrMask = 0x30; - static const uint32_t GCAttrShift = 4; - static const uint32_t LifetimeMask = 0x1C0; - static const uint32_t LifetimeShift = 6; - static const uint32_t AddressSpaceMask = + // bits: |0 1 2|3|4 .. 5|6 .. 8|9 ... 31|32 ... 63| + // |C R V|U|GCAttr|Lifetime|AddressSpace| PtrAuth | + uint64_t Mask = 0; + static_assert(sizeof(PointerAuthQualifier) == sizeof(uint32_t), + "PointerAuthQualifier must be 32 bits"); + + static constexpr uint64_t UMask = 0x8; + static constexpr uint64_t UShift = 3; + static constexpr uint64_t GCAttrMask = 0x30; + static constexpr uint64_t GCAttrShift = 4; + static constexpr uint64_t LifetimeMask = 0x1C0; + static constexpr uint64_t LifetimeShift = 6; + static constexpr uint64_t AddressSpaceMask = ~(CVRMask | UMask | GCAttrMask | LifetimeMask); - static const uint32_t AddressSpaceShift = 9; + static constexpr uint64_t AddressSpaceShift = 9; + static constexpr uint64_t PtrAuthShift = 32; + static constexpr uint64_t PtrAuthMask = uint64_t(0xffffffff) << PtrAuthShift; }; class QualifiersAndAtomic { @@ -1242,6 +1444,10 @@ public: // true when Type is objc's weak and weak is enabled but ARC isn't. bool isNonWeakInMRRWithObjCWeak(const ASTContext &Context) const; + PointerAuthQualifier getPointerAuth() const { + return getQualifiers().getPointerAuth(); + } + enum PrimitiveDefaultInitializeKind { /// The type does not fall into any of the following categories. Note that /// this case is zero-valued so that values of this enum can be used as a @@ -2172,6 +2378,10 @@ public: /// 'riscv_rvv_vector_bits' type attribute as VectorType. QualType getRVVEltType(const ASTContext &Ctx) const; + /// Returns the representative type for the element of a sizeless vector + /// builtin type. + QualType getSizelessVectorEltType(const ASTContext &Ctx) const; + /// Types are partitioned into 3 broad categories (C99 6.2.5p1): /// object types, function types, and incomplete types. diff --git a/clang/include/clang/Analysis/FlowSensitive/ASTOps.h b/clang/include/clang/Analysis/FlowSensitive/ASTOps.h index 27ad32c1694f776de99691c204abea4bc6a1b0a3..05748f300a932f6e6c66c8821dba70d055664dc4 100644 --- a/clang/include/clang/Analysis/FlowSensitive/ASTOps.h +++ b/clang/include/clang/Analysis/FlowSensitive/ASTOps.h @@ -56,6 +56,7 @@ class RecordInitListHelper { public: // `InitList` must have record type. RecordInitListHelper(const InitListExpr *InitList); + RecordInitListHelper(const CXXParenListInitExpr *ParenInitList); // Base classes with their associated initializer expressions. ArrayRef> base_inits() const { @@ -68,6 +69,9 @@ public: } private: + RecordInitListHelper(QualType Ty, std::vector Fields, + ArrayRef Inits); + SmallVector> BaseInits; SmallVector> FieldInits; @@ -92,6 +96,9 @@ struct ReferencedDecls { /// Returns declarations that are declared in or referenced from `FD`. ReferencedDecls getReferencedDecls(const FunctionDecl &FD); +/// Returns declarations that are declared in or referenced from `S`. +ReferencedDecls getReferencedDecls(const Stmt &S); + } // namespace dataflow } // namespace clang diff --git a/clang/include/clang/Analysis/FlowSensitive/DataflowEnvironment.h b/clang/include/clang/Analysis/FlowSensitive/DataflowEnvironment.h index 4277792219c0af2fbbb4563a8cf83fedb396fd54..cdf89c7def2c9185803af843f14fcbd88e59f5f5 100644 --- a/clang/include/clang/Analysis/FlowSensitive/DataflowEnvironment.h +++ b/clang/include/clang/Analysis/FlowSensitive/DataflowEnvironment.h @@ -84,7 +84,7 @@ public: virtual ComparisonResult compare(QualType Type, const Value &Val1, const Environment &Env1, const Value &Val2, const Environment &Env2) { - // FIXME: Consider adding QualType to RecordValue and removing the Type + // FIXME: Consider adding `QualType` to `Value` and removing the `Type` // argument here. return ComparisonResult::Unknown; } @@ -244,6 +244,21 @@ public: Environment::ValueModel &Model, ExprJoinBehavior ExprBehavior); + /// Returns a value that approximates both `Val1` and `Val2`, or null if no + /// such value can be produced. + /// + /// `Env1` and `Env2` can be used to query child values and path condition + /// implications of `Val1` and `Val2` respectively. The joined value will be + /// produced in `JoinedEnv`. + /// + /// Requirements: + /// + /// `Val1` and `Val2` must model values of type `Type`. + static Value *joinValues(QualType Ty, Value *Val1, const Environment &Env1, + Value *Val2, const Environment &Env2, + Environment &JoinedEnv, + Environment::ValueModel &Model); + /// Widens the environment point-wise, using `PrevEnv` as needed to inform the /// approximation. /// @@ -407,20 +422,15 @@ public: /// storage locations and values for indirections until it finds a /// non-pointer/non-reference type. /// - /// If `Type` is a class, struct, or union type, creates values for all - /// modeled fields (including synthetic fields) and calls `setValue()` to - /// associate the `RecordValue` with its storage location - /// (`RecordValue::getLoc()`). - /// /// If `Type` is one of the following types, this function will always return /// a non-null pointer: /// - `bool` /// - Any integer type - /// - Any class, struct, or union type /// /// Requirements: /// - /// `Type` must not be null. + /// - `Type` must not be null. + /// - `Type` must not be a reference type or record type. Value *createValue(QualType Type); /// Creates an object (i.e. a storage location with an associated value) of @@ -452,6 +462,7 @@ public: /// Initializes the fields (including synthetic fields) of `Loc` with values, /// unless values of the field type are not supported or we hit one of the /// limits at which we stop producing values. + /// If a field already has a value, that value is preserved. /// If `Type` is provided, initializes only those fields that are modeled for /// `Type`; this is intended for use in cases where `Loc` is a derived type /// and we only want to initialize the fields of a base type. @@ -461,6 +472,10 @@ public: } /// Assigns `Val` as the value of `Loc` in the environment. + /// + /// Requirements: + /// + /// `Loc` must not be a `RecordStorageLocation`. void setValue(const StorageLocation &Loc, Value &Val); /// Clears any association between `Loc` and a value in the environment. @@ -470,20 +485,24 @@ public: /// /// Requirements: /// - /// - `E` must be a prvalue - /// - If `Val` is a `RecordValue`, its `RecordStorageLocation` must be - /// `getResultObjectLocation(E)`. An exception to this is if `E` is an - /// expression that originally creates a `RecordValue` (such as a - /// `CXXConstructExpr` or `CallExpr`), as these establish the location of - /// the result object in the first place. + /// - `E` must be a prvalue. + /// - `E` must not have record type. void setValue(const Expr &E, Value &Val); /// Returns the value assigned to `Loc` in the environment or null if `Loc` /// isn't assigned a value in the environment. + /// + /// Requirements: + /// + /// `Loc` must not be a `RecordStorageLocation`. Value *getValue(const StorageLocation &Loc) const; /// Equivalent to `getValue(getStorageLocation(D))` if `D` is assigned a /// storage location in the environment, otherwise returns null. + /// + /// Requirements: + /// + /// `D` must not have record type. Value *getValue(const ValueDecl &D) const; /// Equivalent to `getValue(getStorageLocation(E, SP))` if `E` is assigned a @@ -775,12 +794,6 @@ RecordStorageLocation *getImplicitObjectLocation(const CXXMemberCallExpr &MCE, RecordStorageLocation *getBaseObjectLocation(const MemberExpr &ME, const Environment &Env); -/// Associates a new `RecordValue` with `Loc` and returns the new value. -RecordValue &refreshRecordValue(RecordStorageLocation &Loc, Environment &Env); - -/// Associates a new `RecordValue` with `Expr` and returns the new value. -RecordValue &refreshRecordValue(const Expr &Expr, Environment &Env); - } // namespace dataflow } // namespace clang diff --git a/clang/include/clang/Analysis/FlowSensitive/Transfer.h b/clang/include/clang/Analysis/FlowSensitive/Transfer.h index ed148250d8eb29ac7da1aac20bbf83bef9c15480..940025e02100f90cdfa36743daf28e2009b9ff8f 100644 --- a/clang/include/clang/Analysis/FlowSensitive/Transfer.h +++ b/clang/include/clang/Analysis/FlowSensitive/Transfer.h @@ -53,7 +53,8 @@ private: /// Requirements: /// /// `S` must not be `ParenExpr` or `ExprWithCleanups`. -void transfer(const StmtToEnvMap &StmtToEnv, const Stmt &S, Environment &Env); +void transfer(const StmtToEnvMap &StmtToEnv, const Stmt &S, Environment &Env, + Environment::ValueModel &Model); } // namespace dataflow } // namespace clang diff --git a/clang/include/clang/Analysis/FlowSensitive/Value.h b/clang/include/clang/Analysis/FlowSensitive/Value.h index be1bf9324c87b40583b693ff6044d0f8d2211df6..97efa3a93ce6d9d9c58d435bd65aba255ebbc477 100644 --- a/clang/include/clang/Analysis/FlowSensitive/Value.h +++ b/clang/include/clang/Analysis/FlowSensitive/Value.h @@ -35,7 +35,6 @@ public: enum class Kind { Integer, Pointer, - Record, // TODO: Top values should not be need to be type-specific. TopBool, @@ -67,7 +66,6 @@ public: /// Properties may not be set on `RecordValue`s; use synthetic fields instead /// (for details, see documentation for `RecordStorageLocation`). void setProperty(llvm::StringRef Name, Value &Val) { - assert(getKind() != Kind::Record); Properties.insert_or_assign(Name, &Val); } @@ -184,45 +182,6 @@ private: StorageLocation &PointeeLoc; }; -/// Models a value of `struct` or `class` type. -/// In C++, prvalues of class type serve only a limited purpose: They can only -/// be used to initialize a result object. It is not possible to access member -/// variables or call member functions on a prvalue of class type. -/// Correspondingly, `RecordValue` also serves only a limited purpose: It -/// conveys a prvalue of class type from the place where the object is -/// constructed to the result object that it initializes. -/// -/// When creating a prvalue of class type, we already need a storage location -/// for `this`, even though prvalues are otherwise not associated with storage -/// locations. `RecordValue` is therefore essentially a wrapper for a storage -/// location, which is then used to set the storage location for the result -/// object when we process the AST node for that result object. -/// -/// For example: -/// MyStruct S = MyStruct(3); -/// -/// In this example, `MyStruct(3) is a prvalue, which is modeled as a -/// `RecordValue` that wraps a `RecordStorageLocation`. This -/// `RecordStorageLocation` is then used as the storage location for `S`. -/// -/// Over time, we may eliminate `RecordValue` entirely. See also the discussion -/// here: https://reviews.llvm.org/D155204#inline-1503204 -class RecordValue final : public Value { -public: - explicit RecordValue(RecordStorageLocation &Loc) - : Value(Kind::Record), Loc(Loc) {} - - static bool classof(const Value *Val) { - return Val->getKind() == Kind::Record; - } - - /// Returns the storage location that this `RecordValue` is associated with. - RecordStorageLocation &getLoc() const { return Loc; } - -private: - RecordStorageLocation &Loc; -}; - raw_ostream &operator<<(raw_ostream &OS, const Value &Val); } // namespace dataflow diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td index dc87a8c6f022dc5f451f51f13c0dfdb068104ae6..0225598cbbe8ad8f1d5e8085688e22fda4ef75b1 100644 --- a/clang/include/clang/Basic/Attr.td +++ b/clang/include/clang/Basic/Attr.td @@ -368,8 +368,8 @@ class Clang bit AllowInC = allowInC; } -// HLSL Semantic spellings -class HLSLSemantic : Spelling; +// HLSL Annotation spellings +class HLSLAnnotation : Spelling; class Accessor spellings> { string Name = name; @@ -592,6 +592,49 @@ class AttrSubjectMatcherAggregateRule { def SubjectMatcherForNamed : AttrSubjectMatcherAggregateRule; +// Enumeration specifying what kind of behavior should be used for late +// parsing of attributes. +class LateAttrParseKind { + int Kind = val; +} + +// Never late parsed +def LateAttrParseNever : LateAttrParseKind<0>; + +// Standard late attribute parsing +// +// This is language dependent. For example: +// +// * For C++ enables late parsing of a declaration attributes +// * For C does not enable late parsing of attributes +// +def LateAttrParseStandard : LateAttrParseKind<1>; + +// Experimental extension to standard late attribute parsing +// +// This extension behaves like `LateAttrParseStandard` but allows +// late parsing attributes in more contexts. +// +// In contexts where `LateAttrParseStandard` attributes are late +// parsed, `LateAttrParseExperimentalExt` attributes will also +// be late parsed. +// +// In contexts that only late parse `LateAttrParseExperimentalExt` attributes +// (see `LateParsedAttrList::lateAttrParseExperimentalExtOnly()`) +// +// * If `-fexperimental-late-parse-attributes` +// (`LangOpts.ExperimentalLateParseAttributes`) is enabled the attribute +// will be late parsed. +// * If `-fexperimental-late-parse-attributes` +// (`LangOpts.ExperimentalLateParseAttributes`) is disabled the attribute +// will **not** be late parsed (i.e parsed immediately). +// +// The following contexts are supported: +// +// * TODO: Add contexts here when they are implemented. +// +def LateAttrParseExperimentalExt : LateAttrParseKind<2>; + class Attr { // The various ways in which an attribute can be spelled in source list Spellings; @@ -603,8 +646,8 @@ class Attr { list Accessors = []; // Specify targets for spellings. list TargetSpecificSpellings = []; - // Set to true for attributes with arguments which require delayed parsing. - bit LateParsed = 0; + // Specifies the late parsing kind. + LateAttrParseKind LateParsed = LateAttrParseNever; // Set to false to prevent an attribute from being propagated from a template // to the instantiation. bit Clone = 1; @@ -3173,7 +3216,7 @@ def DiagnoseIf : InheritableAttr { BoolArgument<"ArgDependent", 0, /*fake*/ 1>, DeclArgument]; let InheritEvenIfAlreadyPresent = 1; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let AdditionalMembers = [{ bool isError() const { return diagnosticType == DT_Error; } bool isWarning() const { return diagnosticType == DT_Warning; } @@ -3211,7 +3254,7 @@ def ObjCRequiresPropertyDefs : InheritableAttr { def Unused : InheritableAttr { let Spellings = [CXX11<"", "maybe_unused", 201603>, GCC<"unused">, C23<"", "maybe_unused", 202106>]; - let Subjects = SubjectList<[Var, ObjCIvar, Type, Enum, EnumConstant, Label, + let Subjects = SubjectList<[Var, Binding, ObjCIvar, Type, Enum, EnumConstant, Label, Field, ObjCMethod, FunctionLike]>; let Documentation = [WarnMaybeUnusedDocs]; } @@ -3472,7 +3515,7 @@ def AssertCapability : InheritableAttr { let Spellings = [Clang<"assert_capability", 0>, Clang<"assert_shared_capability", 0>]; let Subjects = SubjectList<[Function]>; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3488,7 +3531,7 @@ def AcquireCapability : InheritableAttr { GNU<"exclusive_lock_function">, GNU<"shared_lock_function">]; let Subjects = SubjectList<[Function]>; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3504,7 +3547,7 @@ def TryAcquireCapability : InheritableAttr { Clang<"try_acquire_shared_capability", 0>]; let Subjects = SubjectList<[Function], ErrorDiag>; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3520,7 +3563,7 @@ def ReleaseCapability : InheritableAttr { Clang<"release_generic_capability", 0>, Clang<"unlock_function", 0>]; let Subjects = SubjectList<[Function]>; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3539,7 +3582,7 @@ def RequiresCapability : InheritableAttr { Clang<"requires_shared_capability", 0>, Clang<"shared_locks_required", 0>]; let Args = [VariadicExprArgument<"Args">]; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3559,7 +3602,7 @@ def NoThreadSafetyAnalysis : InheritableAttr { def GuardedBy : InheritableAttr { let Spellings = [GNU<"guarded_by">]; let Args = [ExprArgument<"Arg">]; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3570,7 +3613,7 @@ def GuardedBy : InheritableAttr { def PtGuardedBy : InheritableAttr { let Spellings = [GNU<"pt_guarded_by">]; let Args = [ExprArgument<"Arg">]; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3581,7 +3624,7 @@ def PtGuardedBy : InheritableAttr { def AcquiredAfter : InheritableAttr { let Spellings = [GNU<"acquired_after">]; let Args = [VariadicExprArgument<"Args">]; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3592,7 +3635,7 @@ def AcquiredAfter : InheritableAttr { def AcquiredBefore : InheritableAttr { let Spellings = [GNU<"acquired_before">]; let Args = [VariadicExprArgument<"Args">]; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3603,7 +3646,7 @@ def AcquiredBefore : InheritableAttr { def AssertExclusiveLock : InheritableAttr { let Spellings = [GNU<"assert_exclusive_lock">]; let Args = [VariadicExprArgument<"Args">]; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3614,7 +3657,7 @@ def AssertExclusiveLock : InheritableAttr { def AssertSharedLock : InheritableAttr { let Spellings = [GNU<"assert_shared_lock">]; let Args = [VariadicExprArgument<"Args">]; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3627,7 +3670,7 @@ def AssertSharedLock : InheritableAttr { def ExclusiveTrylockFunction : InheritableAttr { let Spellings = [GNU<"exclusive_trylock_function">]; let Args = [ExprArgument<"SuccessValue">, VariadicExprArgument<"Args">]; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3640,7 +3683,7 @@ def ExclusiveTrylockFunction : InheritableAttr { def SharedTrylockFunction : InheritableAttr { let Spellings = [GNU<"shared_trylock_function">]; let Args = [ExprArgument<"SuccessValue">, VariadicExprArgument<"Args">]; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -3651,7 +3694,7 @@ def SharedTrylockFunction : InheritableAttr { def LockReturned : InheritableAttr { let Spellings = [GNU<"lock_returned">]; let Args = [ExprArgument<"Arg">]; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let Subjects = SubjectList<[Function]>; @@ -3661,7 +3704,7 @@ def LockReturned : InheritableAttr { def LocksExcluded : InheritableAttr { let Spellings = [GNU<"locks_excluded">]; let Args = [VariadicExprArgument<"Args">]; - let LateParsed = 1; + let LateParsed = LateAttrParseStandard; let TemplateDependent = 1; let ParseArgumentsAsUnevaluated = 1; let InheritEvenIfAlreadyPresent = 1; @@ -4358,14 +4401,14 @@ def HLSLNumThreads: InheritableAttr { } def HLSLSV_GroupIndex: HLSLAnnotationAttr { - let Spellings = [HLSLSemantic<"SV_GroupIndex">]; + let Spellings = [HLSLAnnotation<"SV_GroupIndex">]; let Subjects = SubjectList<[ParmVar, GlobalVar]>; let LangOpts = [HLSL]; let Documentation = [HLSLSV_GroupIndexDocs]; } def HLSLResourceBinding: InheritableAttr { - let Spellings = [HLSLSemantic<"register">]; + let Spellings = [HLSLAnnotation<"register">]; let Subjects = SubjectList<[HLSLBufferObj, ExternalGlobalVar]>; let LangOpts = [HLSL]; let Args = [StringArgument<"Slot">, StringArgument<"Space", 1>]; @@ -4373,7 +4416,7 @@ def HLSLResourceBinding: InheritableAttr { } def HLSLSV_DispatchThreadID: HLSLAnnotationAttr { - let Spellings = [HLSLSemantic<"SV_DispatchThreadID">]; + let Spellings = [HLSLAnnotation<"SV_DispatchThreadID">]; let Subjects = SubjectList<[ParmVar, Field]>; let LangOpts = [HLSL]; let Documentation = [HLSLSV_DispatchThreadIDDocs]; diff --git a/clang/include/clang/Basic/AttributeCommonInfo.h b/clang/include/clang/Basic/AttributeCommonInfo.h index ef2ddf525c981482dc9c75ded464995a513b2694..5f024b4b5fd782014c17a5e87e6b915b4732d8a9 100644 --- a/clang/include/clang/Basic/AttributeCommonInfo.h +++ b/clang/include/clang/Basic/AttributeCommonInfo.h @@ -52,8 +52,8 @@ public: /// Context-sensitive version of a keyword attribute. AS_ContextSensitiveKeyword, - /// : - AS_HLSLSemantic, + /// : + AS_HLSLAnnotation, /// The attibute has no source code manifestation and is only created /// implicitly. @@ -120,7 +120,7 @@ public: } static Form Pragma() { return AS_Pragma; } static Form ContextSensitiveKeyword() { return AS_ContextSensitiveKeyword; } - static Form HLSLSemantic() { return AS_HLSLSemantic; } + static Form HLSLAnnotation() { return AS_HLSLAnnotation; } static Form Implicit() { return AS_Implicit; } private: diff --git a/clang/include/clang/Basic/DebugOptions.def b/clang/include/clang/Basic/DebugOptions.def index 7cd3edf08a17eadb3ae0965e8747654f4e66a593..b94f6aef9ac60bf142d00a6be0c5c533107a80c9 100644 --- a/clang/include/clang/Basic/DebugOptions.def +++ b/clang/include/clang/Basic/DebugOptions.def @@ -129,6 +129,9 @@ DEBUGOPT(CodeViewCommandLine, 1, 0) /// Whether emit extra debug info for sample pgo profile collection. DEBUGOPT(DebugInfoForProfiling, 1, 0) +/// Whether to emit DW_TAG_template_alias for template aliases. +DEBUGOPT(DebugTemplateAlias, 1, 0) + /// Whether to emit .debug_gnu_pubnames section instead of .debug_pubnames. DEBUGOPT(DebugNameTable, 2, 0) diff --git a/clang/include/clang/Basic/DiagnosticCommonKinds.td b/clang/include/clang/Basic/DiagnosticCommonKinds.td index a52bf62e24202caf2746cc7c56332032c84eb214..0738f43ca555c8ecccbbf47bde2dba11afed4062 100644 --- a/clang/include/clang/Basic/DiagnosticCommonKinds.td +++ b/clang/include/clang/Basic/DiagnosticCommonKinds.td @@ -234,6 +234,9 @@ def err_cxx23_size_t_suffix: Error< def err_size_t_literal_too_large: Error< "%select{signed |}0'size_t' literal is out of range of possible " "%select{signed |}0'size_t' values">; +def ext_cxx_bitint_suffix : Extension< + "'_BitInt' suffix for literals is a Clang extension">, + InGroup; def ext_c23_bitint_suffix : ExtWarn< "'_BitInt' suffix for literals is a C23 extension">, InGroup; diff --git a/clang/include/clang/Basic/DiagnosticFrontendKinds.td b/clang/include/clang/Basic/DiagnosticFrontendKinds.td index 14b08d4927ec5e264ac9bb73cf8f07ebc4eb1cc2..fcffadacc8e631ebbd7b3d54368b02a50c815b29 100644 --- a/clang/include/clang/Basic/DiagnosticFrontendKinds.td +++ b/clang/include/clang/Basic/DiagnosticFrontendKinds.td @@ -370,4 +370,7 @@ def warn_missing_symbol_graph_dir : Warning< "Missing symbol graph output directory, defaulting to working directory">, InGroup; +def err_ast_action_on_llvm_ir : Error< + "cannot apply AST actions to LLVM IR file '%0'">, + DefaultFatal; } diff --git a/clang/include/clang/Basic/DiagnosticGroups.td b/clang/include/clang/Basic/DiagnosticGroups.td index 5251774ff4efd6d7f607431511991ca633d22252..60f87da2a7387c25fff72fefb54d5852e627e299 100644 --- a/clang/include/clang/Basic/DiagnosticGroups.td +++ b/clang/include/clang/Basic/DiagnosticGroups.td @@ -1412,6 +1412,9 @@ def MultiGPU: DiagGroup<"multi-gpu">; // libc and the CRT to be skipped. def AVRRtlibLinkingQuirks : DiagGroup<"avr-rtlib-linking-quirks">; +// A warning group related to AArch64 SME function attribues. +def AArch64SMEAttributes : DiagGroup<"aarch64-sme-attributes">; + // A warning group for things that will change semantics in the future. def FutureCompat : DiagGroup<"future-compat">; @@ -1517,5 +1520,8 @@ def UnsafeBufferUsage : DiagGroup<"unsafe-buffer-usage", [UnsafeBufferUsageInCon // Warnings and notes InstallAPI verification. def InstallAPIViolation : DiagGroup<"installapi-violation">; +// Warnings related to _BitInt extension +def BitIntExtension : DiagGroup<"bit-int-extension">; + // Warnings about misuse of ExtractAPI options. def ExtractAPIMisuse : DiagGroup<"extractapi-misuse">; diff --git a/clang/include/clang/Basic/DiagnosticInstallAPIKinds.td b/clang/include/clang/Basic/DiagnosticInstallAPIKinds.td index 396bff0146a373c94de9bd2c425c13e6c8e59083..6896e0f5aa593c2e598bec39e2b331a089352bce 100644 --- a/clang/include/clang/Basic/DiagnosticInstallAPIKinds.td +++ b/clang/include/clang/Basic/DiagnosticInstallAPIKinds.td @@ -24,6 +24,7 @@ def err_no_matching_target : Error<"no matching target found for target variant def err_unsupported_vendor : Error<"vendor '%0' is not supported: '%1'">; def err_unsupported_environment : Error<"environment '%0' is not supported: '%1'">; def err_unsupported_os : Error<"os '%0' is not supported: '%1'">; +def err_cannot_read_input_list : Error<"could not read %select{alias list|filelist}0 '%1': %2">; } // end of command line category. let CategoryName = "Verification" in { diff --git a/clang/include/clang/Basic/DiagnosticParseKinds.td b/clang/include/clang/Basic/DiagnosticParseKinds.td index 66405095d51de84ce145cb4bbb86dbca3cb16b5a..fdffb35ea0d955473d86b74d22787391de49d0b2 100644 --- a/clang/include/clang/Basic/DiagnosticParseKinds.td +++ b/clang/include/clang/Basic/DiagnosticParseKinds.td @@ -478,6 +478,15 @@ def ext_decomp_decl_empty : ExtWarn< "ISO C++17 does not allow a decomposition group to be empty">, InGroup>; +// C++26 structured bindings +def ext_decl_attrs_on_binding : ExtWarn< + "an attribute specifier sequence attached to a structured binding declaration " + "is a C++2c extension">, InGroup; +def warn_cxx23_compat_decl_attrs_on_binding : Warning< + "an attribute specifier sequence attached to a structured binding declaration " + "is incompatible with C++ standards before C++2c">, + InGroup, DefaultIgnore; + /// Objective-C parser diagnostics def err_expected_minus_or_plus : Error< "method type specifier must start with '-' or '+'">; @@ -1654,7 +1663,7 @@ def warn_ext_int_deprecated : Warning< "'_ExtInt' is deprecated; use '_BitInt' instead">, InGroup; def ext_bit_int : Extension< "'_BitInt' in %select{C17 and earlier|C++}0 is a Clang extension">, - InGroup>; + InGroup; } // end of Parse Issue category. let CategoryName = "Modules Issue" in { diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td index 30a8543489f48ed5ba84845e504105a5a67b6f72..4b074b853bfe65b82a78ca90fbfc00dbf82c932a 100644 --- a/clang/include/clang/Basic/DiagnosticSemaKinds.td +++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td @@ -87,9 +87,9 @@ def err_expr_not_cce : Error< "call to 'size()'|call to 'data()'}0 is not a constant expression">; def ext_cce_narrowing : ExtWarn< "%select{case value|enumerator value|non-type template argument|" - "array size|explicit specifier argument|noexcept specifier argument}0 " - "%select{cannot be narrowed from type %2 to %3|" - "evaluates to %2, which cannot be narrowed to type %3}1">, + "array size|explicit specifier argument|noexcept specifier argument|" + "call to 'size()'|call to 'data()'}0 %select{cannot be narrowed from " + "type %2 to %3|evaluates to %2, which cannot be narrowed to type %3}1">, InGroup, DefaultError, SFINAEFailure; def err_ice_not_integral : Error< "%select{integer|integral}1 constant expression must have " @@ -307,6 +307,8 @@ def err_invalid_vector_long_long_decl_spec : Error < "POWER7 or later) to be enabled">; def err_invalid_vector_long_double_decl_spec : Error< "cannot use 'long double' with '__vector'">; +def err_invalid_vector_complex_decl_spec : Error< + "cannot use '_Complex' with '__vector'">; def warn_vector_long_decl_spec_combination : Warning< "Use of 'long' with '__vector' is deprecated">, InGroup; @@ -3669,6 +3671,9 @@ def warn_attribute_dllexport_explicit_instantiation_decl : Warning< def warn_attribute_dllexport_explicit_instantiation_def : Warning< "'dllexport' attribute ignored on explicit instantiation definition">, InGroup; +def warn_attribute_exclude_from_explicit_instantiation_local_class : Warning< + "%0 attribute ignored on local class%select{| member}1">, + InGroup; def warn_invalid_initializer_from_system_header : Warning< "invalid constructor from class in system header, should not be explicit">, InGroup>; @@ -3751,6 +3756,14 @@ def err_sme_definition_using_za_in_non_sme_target : Error< "function using ZA state requires 'sme'">; def err_sme_definition_using_zt0_in_non_sme2_target : Error< "function using ZT0 state requires 'sme2'">; +def warn_sme_streaming_pass_return_vl_to_non_streaming : Warning< + "%select{returning|passing}0 a VL-dependent argument %select{from|to}0 a function with a different" + " streaming-mode is undefined behaviour when the streaming and non-streaming vector lengths are different at runtime">, + InGroup, DefaultIgnore; +def warn_sme_locally_streaming_has_vl_args_returns : Warning< + "%select{returning|passing}0 a VL-dependent argument %select{from|to}0 a locally streaming function is undefined" + " behaviour when the streaming and non-streaming vector lengths are different at runtime">, + InGroup, DefaultIgnore; def err_conflicting_attributes_arm_state : Error< "conflicting attributes for state '%0'">; def err_sme_streaming_cannot_be_multiversioned : Error< @@ -9890,6 +9903,9 @@ def warn_format_invalid_annotation : Warning< def warn_format_P_no_precision : Warning< "using '%%P' format specifier without precision">, InGroup; +def warn_format_P_with_objc_pointer : Warning< + "using '%%P' format specifier with an Objective-C pointer results in dumping runtime object structure, not object value">, + InGroup; def warn_printf_ignored_flag: Warning< "flag '%0' is ignored when flag '%1' is present">, InGroup; @@ -9939,6 +9955,8 @@ def warn_ret_stack_addr_ref : Warning< def warn_ret_local_temp_addr_ref : Warning< "returning %select{address of|reference to}0 local temporary object">, InGroup; +def err_ret_local_temp_ref : Error< + "returning reference to local temporary object">; def warn_ret_addr_label : Warning< "returning address of label, which is local">, InGroup; @@ -10317,9 +10335,13 @@ def err_shufflevector_nonconstant_argument : Error< def err_shufflevector_argument_too_large : Error< "index for __builtin_shufflevector must be less than the total number " "of vector elements">; +def err_shufflevector_minus_one_is_undefined_behavior_constexpr : Error< + "index for __builtin_shufflevector not within the bounds of the input vectors; index of -1 found at position %0 not permitted in a constexpr context.">; def err_convertvector_non_vector : Error< "first argument to __builtin_convertvector must be a vector">; +def err_convertvector_constexpr_unsupported_vector_cast : Error< + "unsupported vector cast from %0 to %1 in a constant expression.">; def err_builtin_non_vector_type : Error< "%0 argument to %1 must be of vector type">; def err_convertvector_incompatible_vector : Error< @@ -11150,7 +11172,7 @@ def err_omp_declare_mapper_redefinition : Error< "redefinition of user-defined mapper for type %0 with name %1">; def err_omp_invalid_mapper: Error< "cannot find a valid user-defined mapper for type %0 with name %1">; -def err_omp_array_section_use : Error<"OpenMP array section is not allowed here">; +def err_array_section_use : Error<"%select{OpenACC sub-array|OpenMP array section}0 is not allowed here">; def err_omp_array_shaping_use : Error<"OpenMP array shaping operation is not allowed here">; def err_omp_iterator_use : Error<"OpenMP iterator is not allowed here">; def err_omp_typecheck_section_value : Error< @@ -12268,4 +12290,24 @@ def warn_acc_if_self_conflict : Warning<"OpenACC construct 'self' has no effect when an 'if' clause " "evaluates to true">, InGroup>; +def err_acc_int_expr_requires_integer + : Error<"OpenACC %select{clause|directive}0 '%1' requires expression of " + "integer type (%2 invalid)">; +def err_acc_int_expr_incomplete_class_type + : Error<"OpenACC integer expression has incomplete class type %0">; +def err_acc_int_expr_explicit_conversion + : Error<"OpenACC integer expression type %0 requires explicit conversion " + "to %1">; +def note_acc_int_expr_conversion + : Note<"conversion to %select{integral|enumeration}0 type %1">; +def err_acc_int_expr_multiple_conversions + : Error<"multiple conversions from expression type %0 to an integral type">; +def err_acc_num_gangs_num_args + : Error<"%select{no|too many}0 integer expression arguments provided to " + "OpenACC 'num_gangs' " + "%select{|clause: '%1' directive expects maximum of %2, %3 were " + "provided}0">; +def err_acc_not_a_var_ref + : Error<"OpenACC variable is not a valid variable name, sub-array, array " + "element, or composite variable member">; } // end of sema component. diff --git a/clang/include/clang/Basic/FileManager.h b/clang/include/clang/Basic/FileManager.h index 2245fd78bfc9f0c77479dbcb07b192de48d59129..8b4206e52cd482bc10ce449a176c447b1dcb0218 100644 --- a/clang/include/clang/Basic/FileManager.h +++ b/clang/include/clang/Basic/FileManager.h @@ -114,6 +114,12 @@ class FileManager : public RefCountedBase { /// unsigned NextFileUID; + /// Statistics gathered during the lifetime of the FileManager. + unsigned NumDirLookups = 0; + unsigned NumFileLookups = 0; + unsigned NumDirCacheMisses = 0; + unsigned NumFileCacheMisses = 0; + // Caching. std::unique_ptr StatCache; @@ -341,6 +347,10 @@ private: public: void PrintStats() const; + + /// Import statistics from a child FileManager and add them to this current + /// FileManager. + void AddStats(const FileManager &Other); }; } // end namespace clang diff --git a/clang/include/clang/Basic/LangOptions.def b/clang/include/clang/Basic/LangOptions.def index 8ef6700ecdc78eca7ec8a245d37d5d49122dd0d6..55c81eab1ec1508f75fef5d2def123ac1196bbc6 100644 --- a/clang/include/clang/Basic/LangOptions.def +++ b/clang/include/clang/Basic/LangOptions.def @@ -164,6 +164,7 @@ LANGOPT(ExperimentalLibrary, 1, 0, "enable unstable and experimental library fea LANGOPT(PointerAuthIntrinsics, 1, 0, "pointer authentication intrinsics") LANGOPT(DoubleSquareBracketAttributes, 1, 0, "'[[]]' attributes extension for all language standard modes") +LANGOPT(ExperimentalLateParseAttributes, 1, 0, "experimental late parsing of attributes") COMPATIBLE_LANGOPT(RecoveryAST, 1, 1, "Preserve expressions in AST when encountering errors") COMPATIBLE_LANGOPT(RecoveryASTType, 1, 1, "Preserve the type in recovery expressions") diff --git a/clang/include/clang/Basic/LangOptions.h b/clang/include/clang/Basic/LangOptions.h index 24b109e32cdd3e95a0000411779374228a1e8477..e2a2aa71b880b3b8a366c1363e3784e8d2e42b67 100644 --- a/clang/include/clang/Basic/LangOptions.h +++ b/clang/include/clang/Basic/LangOptions.h @@ -57,6 +57,13 @@ enum class ShaderStage { Invalid, }; +enum class PointerAuthenticationMode : unsigned { + None, + Strip, + SignAndStrip, + SignAndAuth +}; + /// Bitfields of LangOptions, split out from LangOptions in order to ensure that /// this large collection of bitfields is a trivial class type. class LangOptionsBase { @@ -224,6 +231,11 @@ public: /// - the parameter list of a template template parameter Ver17, + /// Attempt to be ABI-compatible with code generated by Clang 18.0.x. + /// This causes clang to revert some fixes to the mangling of lambdas + /// in the initializers of members of local classes. + Ver18, + /// Conform to the underlying platform's C and C++ ABIs as closely /// as we can. Latest @@ -873,6 +885,8 @@ public: /// Return difference with the given option set. FPOptionsOverride getChangesFrom(const FPOptions &Base) const; + void applyChanges(FPOptionsOverride FPO); + // We can define most of the accessors automatically: #define OPTION(NAME, TYPE, WIDTH, PREVIOUS) \ TYPE get##NAME() const { \ @@ -954,6 +968,11 @@ public: setAllowFPContractAcrossStatement(); } + void setDisallowOptimizations() { + setFPPreciseEnabled(true); + setDisallowFPContract(); + } + storage_type getAsOpaqueInt() const { return (static_cast(Options.getAsOpaqueInt()) << FPOptions::StorageBitSize) | @@ -1010,6 +1029,10 @@ inline FPOptionsOverride FPOptions::getChangesFrom(const FPOptions &Base) const return getChangesSlow(Base); } +inline void FPOptions::applyChanges(FPOptionsOverride FPO) { + *this = FPO.applyOverrides(*this); +} + /// Describes the kind of translation unit being processed. enum TranslationUnitKind { /// The translation unit is a complete translation unit. diff --git a/clang/include/clang/Basic/OpenACCClauses.def b/clang/include/clang/Basic/OpenACCClauses.def index 378495d2c0909a55c595f21cd0805c1fbe21fdf8..6c3c2db66ef0cf468cb7dabfbe8e31402a6192e8 100644 --- a/clang/include/clang/Basic/OpenACCClauses.def +++ b/clang/include/clang/Basic/OpenACCClauses.def @@ -18,5 +18,9 @@ VISIT_CLAUSE(Default) VISIT_CLAUSE(If) VISIT_CLAUSE(Self) +VISIT_CLAUSE(NumGangs) +VISIT_CLAUSE(NumWorkers) +VISIT_CLAUSE(Private) +VISIT_CLAUSE(VectorLength) #undef VISIT_CLAUSE diff --git a/clang/include/clang/Basic/PointerAuthOptions.h b/clang/include/clang/Basic/PointerAuthOptions.h new file mode 100644 index 0000000000000000000000000000000000000000..e5cdcc31ebfb70d2c55f9d717bd24996f5c1b169 --- /dev/null +++ b/clang/include/clang/Basic/PointerAuthOptions.h @@ -0,0 +1,23 @@ +//===--- PointerAuthOptions.h -----------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file defines options for configuring pointer-auth technologies +// like ARMv8.3. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_BASIC_POINTERAUTHOPTIONS_H +#define LLVM_CLANG_BASIC_POINTERAUTHOPTIONS_H + +namespace clang { + +constexpr unsigned PointerAuthKeyNone = -1; + +} // end namespace clang + +#endif diff --git a/clang/include/clang/Basic/StmtNodes.td b/clang/include/clang/Basic/StmtNodes.td index b4e3ae573b95e62af4fae5529bc8d1e52bbcf88c..305f19daa4a9238fff2d9a755fb163da2ff06dfc 100644 --- a/clang/include/clang/Basic/StmtNodes.td +++ b/clang/include/clang/Basic/StmtNodes.td @@ -71,7 +71,7 @@ def OffsetOfExpr : StmtNode; def UnaryExprOrTypeTraitExpr : StmtNode; def ArraySubscriptExpr : StmtNode; def MatrixSubscriptExpr : StmtNode; -def OMPArraySectionExpr : StmtNode; +def ArraySectionExpr : StmtNode; def OMPIteratorExpr : StmtNode; def CallExpr : StmtNode; def MemberExpr : StmtNode; diff --git a/clang/include/clang/Basic/TargetInfo.h b/clang/include/clang/Basic/TargetInfo.h index e1ef7454f01669c4ecff7f1998275a0b2512ed71..3ced2e7397a75402021d8eb7444f007ee1d9c396 100644 --- a/clang/include/clang/Basic/TargetInfo.h +++ b/clang/include/clang/Basic/TargetInfo.h @@ -40,6 +40,7 @@ #include #include #include +#include #include namespace llvm { @@ -1792,6 +1793,15 @@ public: /// Whether to support HIP image/texture API's. virtual bool hasHIPImageSupport() const { return true; } + /// The first value in the pair is the minimum offset between two objects to + /// avoid false sharing (destructive interference). The second value in the + /// pair is maximum size of contiguous memory to promote true sharing + /// (constructive interference). Neither of these values are considered part + /// of the ABI and can be changed by targets at any time. + virtual std::pair hardwareInterferenceSizes() const { + return std::make_pair(64, 64); + } + protected: /// Copy type and layout related info. void copyAuxTarget(const TargetInfo *Aux); diff --git a/clang/include/clang/Basic/arm_neon.td b/clang/include/clang/Basic/arm_neon.td index 6d655c39360d3beaa76fc2198f13cf31f85d4bc8..6390ba3f9fe5e50252da63f247b1c8ed17cea451 100644 --- a/clang/include/clang/Basic/arm_neon.td +++ b/clang/include/clang/Basic/arm_neon.td @@ -275,7 +275,7 @@ def OP_VCVT_BF16_F32_HI_A32 (call "vget_low", $p0))>; def OP_CVT_F32_BF16 - : Op<(bitcast "R", (op "<<", (bitcast "int32_t", $p0), + : Op<(bitcast "R", (op "<<", (cast "int32_t", (bitcast "int16_t", $p0)), (literal "int32_t", "16")))>; //===----------------------------------------------------------------------===// diff --git a/clang/include/clang/Basic/arm_sve.td b/clang/include/clang/Basic/arm_sve.td index 6cc249837d3f3d42414331ee5a0bf3f0e9c36bee..15340ebb62b365d1ea8d7a40811097a49aaa5e26 100644 --- a/clang/include/clang/Basic/arm_sve.td +++ b/clang/include/clang/Basic/arm_sve.td @@ -1961,19 +1961,20 @@ def SVPSEL_D : SInst<"svpsel_lane_b64", "PPPm", "Pl", MergeNone, "", [IsStreamin // Standalone sve2.1 builtins let TargetGuard = "sve2p1" in { -def SVORQV : SInst<"svorqv[_{d}]", "{Pd", "csilUcUsUiUl", MergeNone, "aarch64_sve_orqv", [IsReductionQV]>; -def SVEORQV : SInst<"sveorqv[_{d}]", "{Pd", "csilUcUsUiUl", MergeNone, "aarch64_sve_eorqv", [IsReductionQV]>; -def SVADDQV : SInst<"svaddqv[_{d}]", "{Pd", "hfdcsilUcUsUiUl", MergeNone, "aarch64_sve_addqv", [IsReductionQV]>; -def SVANDQV : SInst<"svandqv[_{d}]", "{Pd", "csilUcUsUiUl", MergeNone, "aarch64_sve_andqv", [IsReductionQV]>; -def SVSMAXQV : SInst<"svmaxqv[_{d}]", "{Pd", "csil", MergeNone, "aarch64_sve_smaxqv", [IsReductionQV]>; -def SVUMAXQV : SInst<"svmaxqv[_{d}]", "{Pd", "UcUsUiUl", MergeNone, "aarch64_sve_umaxqv", [IsReductionQV]>; -def SVSMINQV : SInst<"svminqv[_{d}]", "{Pd", "csil", MergeNone, "aarch64_sve_sminqv", [IsReductionQV]>; -def SVUMINQV : SInst<"svminqv[_{d}]", "{Pd", "UcUsUiUl", MergeNone, "aarch64_sve_uminqv", [IsReductionQV]>; - -def SVFMAXNMQV: SInst<"svmaxnmqv[_{d}]", "{Pd", "hfd", MergeNone, "aarch64_sve_fmaxnmqv", [IsReductionQV]>; -def SVFMINNMQV: SInst<"svminnmqv[_{d}]", "{Pd", "hfd", MergeNone, "aarch64_sve_fminnmqv", [IsReductionQV]>; -def SVFMAXQV: SInst<"svmaxqv[_{d}]", "{Pd", "hfd", MergeNone, "aarch64_sve_fmaxqv", [IsReductionQV]>; -def SVFMINQV: SInst<"svminqv[_{d}]", "{Pd", "hfd", MergeNone, "aarch64_sve_fminqv", [IsReductionQV]>; +def SVORQV : SInst<"svorqv[_{d}]", "{Pd", "csilUcUsUiUl", MergeNone, "aarch64_sve_orqv", [IsReductionQV]>; +def SVEORQV : SInst<"sveorqv[_{d}]", "{Pd", "csilUcUsUiUl", MergeNone, "aarch64_sve_eorqv", [IsReductionQV]>; +def SVADDQV : SInst<"svaddqv[_{d}]", "{Pd", "csilUcUsUiUl", MergeNone, "aarch64_sve_addqv", [IsReductionQV]>; +def SVANDQV : SInst<"svandqv[_{d}]", "{Pd", "csilUcUsUiUl", MergeNone, "aarch64_sve_andqv", [IsReductionQV]>; +def SVSMAXQV : SInst<"svmaxqv[_{d}]", "{Pd", "csil", MergeNone, "aarch64_sve_smaxqv", [IsReductionQV]>; +def SVUMAXQV : SInst<"svmaxqv[_{d}]", "{Pd", "UcUsUiUl", MergeNone, "aarch64_sve_umaxqv", [IsReductionQV]>; +def SVSMINQV : SInst<"svminqv[_{d}]", "{Pd", "csil", MergeNone, "aarch64_sve_sminqv", [IsReductionQV]>; +def SVUMINQV : SInst<"svminqv[_{d}]", "{Pd", "UcUsUiUl", MergeNone, "aarch64_sve_uminqv", [IsReductionQV]>; + +def SVFADDQV : SInst<"svaddqv[_{d}]", "{Pd", "hfd", MergeNone, "aarch64_sve_faddqv", [IsReductionQV]>; +def SVFMAXNMQV : SInst<"svmaxnmqv[_{d}]", "{Pd", "hfd", MergeNone, "aarch64_sve_fmaxnmqv", [IsReductionQV]>; +def SVFMINNMQV : SInst<"svminnmqv[_{d}]", "{Pd", "hfd", MergeNone, "aarch64_sve_fminnmqv", [IsReductionQV]>; +def SVFMAXQV : SInst<"svmaxqv[_{d}]", "{Pd", "hfd", MergeNone, "aarch64_sve_fmaxqv", [IsReductionQV]>; +def SVFMINQV : SInst<"svminqv[_{d}]", "{Pd", "hfd", MergeNone, "aarch64_sve_fminqv", [IsReductionQV]>; } let TargetGuard = "sve2p1|sme2" in { diff --git a/clang/include/clang/Basic/riscv_vector.td b/clang/include/clang/Basic/riscv_vector.td index 87a18e8474ef5031a00f1dcf5dfc0fee55c23d12..cca4367751b92b0812c6e16bc084d64aceea641e 100644 --- a/clang/include/clang/Basic/riscv_vector.td +++ b/clang/include/clang/Basic/riscv_vector.td @@ -14,14 +14,14 @@ include "riscv_vector_common.td" -defvar TypeList = ["c","s","i","l","x","f","d"]; +defvar TypeList = ["c","s","i","l","x","f","d","y"]; defvar EEWList = [["8", "(Log2EEW:3)"], ["16", "(Log2EEW:4)"], ["32", "(Log2EEW:5)"], ["64", "(Log2EEW:6)"]]; class IsFloat { - bit val = !or(!eq(type, "x"), !eq(type, "f"), !eq(type, "d")); + bit val = !or(!eq(type, "x"), !eq(type, "f"), !eq(type, "d"), !eq(type, "y")); } let SupportOverloading = false, @@ -118,7 +118,8 @@ multiclass RVVIndexedLoad { defvar eew_type = eew_list[1]; let Name = op # eew # "_v", IRName = op, MaskedIRName = op # "_mask", RequiredFeatures = !if(!eq(type, "x"), ["Zvfhmin"], - []) in { + !if(!eq(type, "y"), ["Zvfbfmin"], + [])) in { def: RVVOutOp1Builtin<"v", "vPCe" # eew_type # "Uv", type>; if !not(IsFloat.val) then { def: RVVOutOp1Builtin<"Uv", "UvPCUe" # eew_type # "Uv", type>; @@ -129,7 +130,8 @@ multiclass RVVIndexedLoad { defvar eew64_type = "(Log2EEW:6)"; let Name = op # eew64 # "_v", IRName = op, MaskedIRName = op # "_mask", RequiredFeatures = !if(!eq(type, "x"), ["Zvfhmin", "RV64"], - ["RV64"]) in { + !if(!eq(type, "y"), ["Zvfbfmin", "RV64"], + ["RV64"])) in { def: RVVOutOp1Builtin<"v", "vPCe" # eew64_type # "Uv", type>; if !not(IsFloat.val) then { def: RVVOutOp1Builtin<"Uv", "UvPCUe" # eew64_type # "Uv", type>; @@ -223,7 +225,8 @@ multiclass RVVIndexedStore { defvar eew_type = eew_list[1]; let Name = op # eew # "_v", IRName = op, MaskedIRName = op # "_mask", RequiredFeatures = !if(!eq(type, "x"), ["Zvfhmin"], - []) in { + !if(!eq(type, "y"), ["Zvfbfmin"], + [])) in { def : RVVBuiltin<"v", "0Pe" # eew_type # "Uvv", type>; if !not(IsFloat.val) then { def : RVVBuiltin<"Uv", "0PUe" # eew_type # "UvUv", type>; @@ -234,7 +237,8 @@ multiclass RVVIndexedStore { defvar eew64_type = "(Log2EEW:6)"; let Name = op # eew64 # "_v", IRName = op, MaskedIRName = op # "_mask", RequiredFeatures = !if(!eq(type, "x"), ["Zvfhmin", "RV64"], - ["RV64"]) in { + !if(!eq(type, "y"), ["Zvfbfmin", "RV64"], + ["RV64"])) in { def : RVVBuiltin<"v", "0Pe" # eew64_type # "Uvv", type>; if !not(IsFloat.val) then { def : RVVBuiltin<"Uv", "0PUe" # eew64_type # "UvUv", type>; @@ -357,13 +361,17 @@ multiclass RVVNonTupleVCreateBuiltin src_lmul_list> { defvar src_s = FixedVString.S; def vcreate # src_v # dst_v : RVVBuiltin; + "csilxfd">; + let RequiredFeatures = ["Zvfbfmin"] in + def vcreate_bf16 # src_v # dst_v : RVVBuiltin; defvar src_uv = FixedVString.V; defvar src_us = FixedVString.S; def vcreate_u # src_uv # dst_uv : RVVBuiltin; + "csil">; } } @@ -683,6 +691,8 @@ defm vle8: RVVVLEBuiltin<["c"]>; defm vle16: RVVVLEBuiltin<["s"]>; let Name = "vle16_v", RequiredFeatures = ["Zvfhmin"] in defm vle16_h: RVVVLEBuiltin<["x"]>; +let Name = "vle16_v", RequiredFeatures = ["Zvfbfmin"] in + defm vle16_bf16 : RVVVLEBuiltin<["y"]>; defm vle32: RVVVLEBuiltin<["i","f"]>; defm vle64: RVVVLEBuiltin<["l","d"]>; @@ -691,6 +701,8 @@ defm vse8 : RVVVSEBuiltin<["c"]>; defm vse16: RVVVSEBuiltin<["s"]>; let Name = "vse16_v", RequiredFeatures = ["Zvfhmin"] in defm vse16_h: RVVVSEBuiltin<["x"]>; +let Name = "vse16_v", RequiredFeatures = ["Zvfbfmin"] in + defm vse16_bf16: RVVVSEBuiltin<["y"]>; defm vse32: RVVVSEBuiltin<["i","f"]>; defm vse64: RVVVSEBuiltin<["l","d"]>; @@ -699,6 +711,8 @@ defm vlse8: RVVVLSEBuiltin<["c"]>; defm vlse16: RVVVLSEBuiltin<["s"]>; let Name = "vlse16_v", RequiredFeatures = ["Zvfhmin"] in defm vlse16_h: RVVVLSEBuiltin<["x"]>; +let Name = "vlse16_v", RequiredFeatures = ["Zvfbfmin"] in + defm vlse16_bf16: RVVVLSEBuiltin<["y"]>; defm vlse32: RVVVLSEBuiltin<["i","f"]>; defm vlse64: RVVVLSEBuiltin<["l","d"]>; @@ -706,6 +720,8 @@ defm vsse8 : RVVVSSEBuiltin<["c"]>; defm vsse16: RVVVSSEBuiltin<["s"]>; let Name = "vsse16_v", RequiredFeatures = ["Zvfhmin"] in defm vsse16_h: RVVVSSEBuiltin<["x"]>; +let Name = "vsse16_v", RequiredFeatures = ["Zvfbfmin"] in + defm vsse16_bf: RVVVSSEBuiltin<["y"]>; defm vsse32: RVVVSSEBuiltin<["i","f"]>; defm vsse64: RVVVSSEBuiltin<["l","d"]>; @@ -721,6 +737,8 @@ defm vle8ff: RVVVLEFFBuiltin<["c"]>; defm vle16ff: RVVVLEFFBuiltin<["s"]>; let Name = "vle16ff_v", RequiredFeatures = ["Zvfhmin"] in defm vle16ff: RVVVLEFFBuiltin<["x"]>; +let Name = "vle16ff_v", RequiredFeatures = ["Zvfbfmin"] in + defm vle16ff: RVVVLEFFBuiltin<["y"]>; defm vle32ff: RVVVLEFFBuiltin<["i", "f"]>; defm vle64ff: RVVVLEFFBuiltin<["l", "d"]>; @@ -732,14 +750,16 @@ multiclass RVVUnitStridedSegLoadTuple { !eq(type, "l") : "64", !eq(type, "x") : "16", !eq(type, "f") : "32", - !eq(type, "d") : "64"); + !eq(type, "d") : "64", + !eq(type, "y") : "16"); foreach nf = NFList in { let Name = op # nf # "e" # eew # "_v", IRName = op # nf, MaskedIRName = op # nf # "_mask", NF = nf, RequiredFeatures = !if(!eq(type, "x"), ["Zvfhmin"], - []), + !if(!eq(type, "y"), ["Zvfbfmin"], + [])), ManualCodegen = [{ { llvm::Type *ElementVectorType = cast(ResultType)->elements()[0]; @@ -793,7 +813,8 @@ multiclass RVVUnitStridedSegStoreTuple { !eq(type, "l") : "64", !eq(type, "x") : "16", !eq(type, "f") : "32", - !eq(type, "d") : "64"); + !eq(type, "d") : "64", + !eq(type, "y") : "16"); foreach nf = NFList in { let Name = op # nf # "e" # eew # "_v", IRName = op # nf, @@ -801,7 +822,8 @@ multiclass RVVUnitStridedSegStoreTuple { NF = nf, HasMaskedOffOperand = false, RequiredFeatures = !if(!eq(type, "x"), ["Zvfhmin"], - []), + !if(!eq(type, "y"), ["Zvfbfmin"], + [])), ManualCodegen = [{ { // Masked @@ -846,14 +868,16 @@ multiclass RVVUnitStridedSegLoadFFTuple { !eq(type, "l") : "64", !eq(type, "x") : "16", !eq(type, "f") : "32", - !eq(type, "d") : "64"); + !eq(type, "d") : "64", + !eq(type, "y") : "16"); foreach nf = NFList in { let Name = op # nf # "e" # eew # "ff_v", IRName = op # nf # "ff", MaskedIRName = op # nf # "ff_mask", NF = nf, RequiredFeatures = !if(!eq(type, "x"), ["Zvfhmin"], - []), + !if(!eq(type, "y"), ["Zvfbfmin"], + [])), ManualCodegen = [{ { llvm::Type *ElementVectorType = cast(ResultType)->elements()[0]; @@ -921,14 +945,16 @@ multiclass RVVStridedSegLoadTuple { !eq(type, "l") : "64", !eq(type, "x") : "16", !eq(type, "f") : "32", - !eq(type, "d") : "64"); + !eq(type, "d") : "64", + !eq(type, "y") : "16"); foreach nf = NFList in { let Name = op # nf # "e" # eew # "_v", IRName = op # nf, MaskedIRName = op # nf # "_mask", NF = nf, RequiredFeatures = !if(!eq(type, "x"), ["Zvfhmin"], - []), + !if(!eq(type, "y"), ["Zvfbfmin"], + [])), ManualCodegen = [{ { llvm::Type *ElementVectorType = cast(ResultType)->elements()[0]; @@ -983,7 +1009,8 @@ multiclass RVVStridedSegStoreTuple { !eq(type, "l") : "64", !eq(type, "x") : "16", !eq(type, "f") : "32", - !eq(type, "d") : "64"); + !eq(type, "d") : "64", + !eq(type, "y") : "16"); foreach nf = NFList in { let Name = op # nf # "e" # eew # "_v", IRName = op # nf, @@ -992,7 +1019,8 @@ multiclass RVVStridedSegStoreTuple { HasMaskedOffOperand = false, MaskedPolicyScheme = NonePolicy, RequiredFeatures = !if(!eq(type, "x"), ["Zvfhmin"], - []), + !if(!eq(type, "y"), ["Zvfbfmin"], + [])), ManualCodegen = [{ { // Masked @@ -1041,7 +1069,8 @@ multiclass RVVIndexedSegLoadTuple { MaskedIRName = op # nf # "_mask", NF = nf, RequiredFeatures = !if(!eq(type, "x"), ["Zvfhmin"], - []), + !if(!eq(type, "y"), ["Zvfbfmin"], + [])), ManualCodegen = [{ { llvm::Type *ElementVectorType = cast(ResultType)->elements()[0]; @@ -1104,7 +1133,8 @@ multiclass RVVIndexedSegStoreTuple { HasMaskedOffOperand = false, MaskedPolicyScheme = NonePolicy, RequiredFeatures = !if(!eq(type, "x"), ["Zvfhmin"], - []), + !if(!eq(type, "y"), ["Zvfbfmin"], + [])), ManualCodegen = [{ { // Masked @@ -2308,6 +2338,12 @@ let HasMasked = false, HasVL = false, IRName = "" in { def vreinterpret_h_i : RVVBuiltin<"vFv", "Fvv", "s", "Fv">; def vreinterpret_h_u : RVVBuiltin<"UvFv", "FvUv", "s", "Fv">; } + let RequiredFeatures = ["Zvfbfmin"] in { + def vreinterpret_i_bf16 : RVVBuiltin<"vIv", "Ivv", "y", "Iv">; + def vreinterpret_u_bf16 : RVVBuiltin<"vUv", "Uvv", "y", "Uv">; + def vreinterpret_bf16_i : RVVBuiltin<"Ivv", "vIv", "y", "v">; + def vreinterpret_bf16_u : RVVBuiltin<"Uvv", "vUv", "y", "v">; + } // Reinterpret between different SEW under the same LMUL foreach dst_sew = ["(FixedSEW:8)", "(FixedSEW:16)", "(FixedSEW:32)", @@ -2372,12 +2408,16 @@ let HasMasked = false, HasVL = false, IRName = "" in { return llvm::PoisonValue::get(ResultType); }] in { def vundefined : RVVBuiltin<"v", "v", "csilxfd">; + let RequiredFeatures = ["Zvfbfmin"] in + def vundefined_bf16 : RVVBuiltin<"v", "v", "y">; def vundefined_u : RVVBuiltin<"Uv", "Uv", "csil">; foreach nf = NFList in { let NF = nf in { defvar T = "(Tuple:" # nf # ")"; def : RVVBuiltin; + let RequiredFeatures = ["Zvfbfmin"] in + def : RVVBuiltin; def : RVVBuiltin; } } @@ -2396,6 +2436,9 @@ let HasMasked = false, HasVL = false, IRName = "" in { "(SFixedLog2LMUL:0)", "(SFixedLog2LMUL:1)", "(SFixedLog2LMUL:2)"] in { def vlmul_trunc # dst_lmul : RVVBuiltin<"v" # dst_lmul # "v", dst_lmul # "vv", "csilxfd", dst_lmul # "v">; + let RequiredFeatures = ["Zvfbfmin"] in + def vlmul_trunc_bf16 # dst_lmul : RVVBuiltin<"v" # dst_lmul # "v", + dst_lmul # "vv", "y", dst_lmul # "v">; def vlmul_trunc_u # dst_lmul : RVVBuiltin<"Uv" # dst_lmul # "Uv", dst_lmul # "UvUv", "csil", dst_lmul # "Uv">; } @@ -2414,6 +2457,9 @@ let HasMasked = false, HasVL = false, IRName = "" in { "(LFixedLog2LMUL:1)", "(LFixedLog2LMUL:2)", "(LFixedLog2LMUL:3)"] in { def vlmul_ext # dst_lmul : RVVBuiltin<"v" # dst_lmul # "v", dst_lmul # "vv", "csilxfd", dst_lmul # "v">; + let RequiredFeatures = ["Zvfbfmin"] in + def vlmul_ext_bf16 # dst_lmul : RVVBuiltin<"v" # dst_lmul # "v", + dst_lmul # "vv", "y", dst_lmul # "v">; def vlmul_ext_u # dst_lmul : RVVBuiltin<"Uv" # dst_lmul # "Uv", dst_lmul # "UvUv", "csil", dst_lmul # "Uv">; } @@ -2441,12 +2487,12 @@ let HasMasked = false, HasVL = false, IRName = "" in { } }] in { foreach dst_lmul = ["(SFixedLog2LMUL:0)", "(SFixedLog2LMUL:1)", "(SFixedLog2LMUL:2)"] in { - def : RVVBuiltin<"v" # dst_lmul # "v", dst_lmul # "vvKz", "csilxfd", dst_lmul # "v">; + def : RVVBuiltin<"v" # dst_lmul # "v", dst_lmul # "vvKz", "csilxfdy", dst_lmul # "v">; def : RVVBuiltin<"Uv" # dst_lmul # "Uv", dst_lmul # "UvUvKz", "csil", dst_lmul # "Uv">; } foreach nf = NFList in { defvar T = "(Tuple:" # nf # ")"; - def : RVVBuiltin; + def : RVVBuiltin; def : RVVBuiltin; } } @@ -2474,11 +2520,15 @@ let HasMasked = false, HasVL = false, IRName = "" in { }] in { foreach dst_lmul = ["(LFixedLog2LMUL:1)", "(LFixedLog2LMUL:2)", "(LFixedLog2LMUL:3)"] in { def : RVVBuiltin<"v" # dst_lmul # "v", dst_lmul # "v" # dst_lmul # "vKzv", "csilxfd">; + let RequiredFeatures = ["Zvfbfmin"] in + def : RVVBuiltin<"v" # dst_lmul # "v", dst_lmul # "v" # dst_lmul # "vKzv", "y">; def : RVVBuiltin<"Uv" # dst_lmul # "Uv", dst_lmul # "Uv" # dst_lmul #"UvKzUv", "csil">; } foreach nf = NFList in { defvar T = "(Tuple:" # nf # ")"; def : RVVBuiltin<"v" # T # "v", T # "v" # T # "vKzv", "csilxfd">; + let RequiredFeatures = ["Zvfbfmin"] in + def : RVVBuiltin<"v" # T # "v", T # "v" # T # "vKzv", "y">; def : RVVBuiltin<"Uv" # T # "Uv", T # "Uv" # T # "UvKzUv", "csil">; } } @@ -2523,7 +2573,9 @@ let HasMasked = false, HasVL = false, IRName = "" in { defvar T = "(Tuple:" # nf # ")"; defvar V = VString.S; defvar UV = VString.S; - def : RVVBuiltin; + def : RVVBuiltin; + let RequiredFeatures = ["Zvfbfmin"] in + def : RVVBuiltin; def : RVVBuiltin; } } @@ -2549,8 +2601,7 @@ multiclass RVVOutBuiltinSetZvk { if HasVS then { foreach vs2_lmul = ["(SEFixedLog2LMUL:-1)", "(SEFixedLog2LMUL:0)", - "(SEFixedLog2LMUL:1)", "(SEFixedLog2LMUL:2)", - "(SEFixedLog2LMUL:3)"] in { + "(SEFixedLog2LMUL:1)", "(SEFixedLog2LMUL:2)"] in { defvar name = NAME # !if(!eq(NAME, "vaesz"), "", "_vs"); let OverloadedName = name, IRName = NAME # "_vs", Name = NAME # "_vs", IntrinsicTypes = [-1, 1] in diff --git a/clang/include/clang/CIR/CMakeLists.txt b/clang/include/clang/CIR/CMakeLists.txt index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..f8d6f407a03d02358be081c96682e8736385b53c 100644 --- a/clang/include/clang/CIR/CMakeLists.txt +++ b/clang/include/clang/CIR/CMakeLists.txt @@ -0,0 +1,6 @@ +set(MLIR_INCLUDE_DIR ${LLVM_MAIN_SRC_DIR}/../mlir/include ) # --includedir +set(MLIR_TABLEGEN_OUTPUT_DIR ${CMAKE_BINARY_DIR}/tools/mlir/include) +include_directories(${MLIR_INCLUDE_DIR}) +include_directories(${MLIR_TABLEGEN_OUTPUT_DIR}) + +add_subdirectory(Dialect) diff --git a/clang/include/clang/CIR/Dialect/CMakeLists.txt b/clang/include/clang/CIR/Dialect/CMakeLists.txt new file mode 100644 index 0000000000000000000000000000000000000000..f33061b2d87cffc48b072763eb55d349e9070aba --- /dev/null +++ b/clang/include/clang/CIR/Dialect/CMakeLists.txt @@ -0,0 +1 @@ +add_subdirectory(IR) diff --git a/clang/include/clang/CIR/Dialect/IR/CIRDialect.h b/clang/include/clang/CIR/Dialect/IR/CIRDialect.h new file mode 100644 index 0000000000000000000000000000000000000000..d53e5d1663d62a478d74a7f5624b9d0a75314003 --- /dev/null +++ b/clang/include/clang/CIR/Dialect/IR/CIRDialect.h @@ -0,0 +1,16 @@ +//===- CIRDialect.h - CIR dialect -------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file declares the CIR dialect. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_CIR_DIALECT_IR_CIRDIALECT_H +#define LLVM_CLANG_CIR_DIALECT_IR_CIRDIALECT_H + +#endif // LLVM_CLANG_CIR_DIALECT_IR_CIRDIALECT_H diff --git a/clang/include/clang/CIR/Dialect/IR/CIRDialect.td b/clang/include/clang/CIR/Dialect/IR/CIRDialect.td new file mode 100644 index 0000000000000000000000000000000000000000..69d6e9774942b9dfb0eb85793dafb63c0b89baf3 --- /dev/null +++ b/clang/include/clang/CIR/Dialect/IR/CIRDialect.td @@ -0,0 +1,44 @@ +//===- CIRDialect.td - CIR dialect -------------------------*- tablegen -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file declares the CIR dialect. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_CIR_DIALECT_IR_CIRDIALECT +#define LLVM_CLANG_CIR_DIALECT_IR_CIRDIALECT + +include "mlir/IR/OpBase.td" + +def CIR_Dialect : Dialect { + let name = "cir"; + + // A short one-line summary of our dialect. + let summary = "A high-level dialect for analyzing and optimizing Clang " + "supported languages"; + + let cppNamespace = "::mlir::cir"; + + let useDefaultAttributePrinterParser = 0; + let useDefaultTypePrinterParser = 0; + + let extraClassDeclaration = [{ + void registerAttributes(); + void registerTypes(); + + Type parseType(DialectAsmParser &parser) const override; + void printType(Type type, DialectAsmPrinter &printer) const override; + + Attribute parseAttribute(DialectAsmParser &parser, + Type type) const override; + + void printAttribute(Attribute attr, DialectAsmPrinter &os) const override; + }]; +} + +#endif // LLVM_CLANG_CIR_DIALECT_IR_CIRDIALECT diff --git a/clang/include/clang/CIR/Dialect/IR/CIROps.td b/clang/include/clang/CIR/Dialect/IR/CIROps.td new file mode 100644 index 0000000000000000000000000000000000000000..7311c8db783e061705e3745ca266d87aa379c2db --- /dev/null +++ b/clang/include/clang/CIR/Dialect/IR/CIROps.td @@ -0,0 +1,19 @@ +//===-- CIROps.td - CIR dialect definition -----------------*- tablegen -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +/// +/// \file +/// Definition of the CIR dialect +/// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_CIR_DIALECT_IR_CIROPS +#define LLVM_CLANG_CIR_DIALECT_IR_CIROPS + +include "clang/CIR/Dialect/IR/CIRDialect.td" + +#endif // LLVM_CLANG_CIR_DIALECT_IR_CIROPS diff --git a/clang/include/clang/CIR/Dialect/IR/CMakeLists.txt b/clang/include/clang/CIR/Dialect/IR/CMakeLists.txt new file mode 100644 index 0000000000000000000000000000000000000000..28ae30dab8dfb23a75751a885cf6795eaa2ee217 --- /dev/null +++ b/clang/include/clang/CIR/Dialect/IR/CMakeLists.txt @@ -0,0 +1,16 @@ +# This replicates part of the add_mlir_dialect cmake function from MLIR that +# cannot be used here. This happens because it expects to be run inside MLIR +# directory which is not the case for CIR (and also FIR, both have similar +# workarounds). + +# Equivalent to add_mlir_dialect(CIROps cir) +set(LLVM_TARGET_DEFINITIONS CIROps.td) +mlir_tablegen(CIROps.h.inc -gen-op-decls) +mlir_tablegen(CIROps.cpp.inc -gen-op-defs) +mlir_tablegen(CIROpsTypes.h.inc -gen-typedef-decls) +mlir_tablegen(CIROpsTypes.cpp.inc -gen-typedef-defs) +mlir_tablegen(CIROpsDialect.h.inc -gen-dialect-decls) +mlir_tablegen(CIROpsDialect.cpp.inc -gen-dialect-defs) +add_public_tablegen_target(MLIRCIROpsIncGen) +add_dependencies(mlir-headers MLIRCIROpsIncGen) + diff --git a/clang/include/clang/Driver/OffloadBundler.h b/clang/include/clang/Driver/OffloadBundler.h index 65d33bfbd2825f907c580b70684a36d41d1abd4e..57ecbdcb7d040e238eaf0b6d11009ec7ac0a605f 100644 --- a/clang/include/clang/Driver/OffloadBundler.h +++ b/clang/include/clang/Driver/OffloadBundler.h @@ -100,6 +100,7 @@ struct OffloadTargetInfo { // - Version (2 bytes) // - Compression Method (2 bytes) - Uses the values from // llvm::compression::Format. +// - Total file size (4 bytes). Available in version 2 and above. // - Uncompressed Size (4 bytes). // - Truncated MD5 Hash (8 bytes). // - Compressed Data (variable length). @@ -109,13 +110,17 @@ private: static inline const size_t MagicSize = 4; static inline const size_t VersionFieldSize = sizeof(uint16_t); static inline const size_t MethodFieldSize = sizeof(uint16_t); - static inline const size_t SizeFieldSize = sizeof(uint32_t); - static inline const size_t HashFieldSize = 8; - static inline const size_t HeaderSize = MagicSize + VersionFieldSize + - MethodFieldSize + SizeFieldSize + - HashFieldSize; + static inline const size_t FileSizeFieldSize = sizeof(uint32_t); + static inline const size_t UncompressedSizeFieldSize = sizeof(uint32_t); + static inline const size_t HashFieldSize = sizeof(uint64_t); + static inline const size_t V1HeaderSize = + MagicSize + VersionFieldSize + MethodFieldSize + + UncompressedSizeFieldSize + HashFieldSize; + static inline const size_t V2HeaderSize = + MagicSize + VersionFieldSize + FileSizeFieldSize + MethodFieldSize + + UncompressedSizeFieldSize + HashFieldSize; static inline const llvm::StringRef MagicNumber = "CCOB"; - static inline const uint16_t Version = 1; + static inline const uint16_t Version = 2; public: static llvm::Expected> diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td index e24626913add7627602398ab4f556b4340ec5d2f..864da4e1157f7da167feeb4e04613f7271ee6408 100644 --- a/clang/include/clang/Driver/Options.td +++ b/clang/include/clang/Driver/Options.td @@ -807,8 +807,12 @@ def gcc_install_dir_EQ : Joined<["--"], "gcc-install-dir=">, "Note: executables (e.g. ld) used by the compiler are not overridden by the selected GCC installation">; def gcc_toolchain : Joined<["--"], "gcc-toolchain=">, Flags<[NoXarchOption]>, Visibility<[ClangOption, FlangOption]>, - HelpText<"Specify a directory where Clang can find 'include' and 'lib{,32,64}/gcc{,-cross}/$triple/$version'. " - "Clang will use the GCC installation with the largest version">; + HelpText< + "Specify a directory where Clang can find 'include' and 'lib{,32,64}/gcc{,-cross}/$triple/$version'. " + "Clang will use the GCC installation with the largest version">, + HelpTextForVariants<[FlangOption], + "Specify a directory where Flang can find 'lib{,32,64}/gcc{,-cross}/$triple/$version'. " + "Flang will use the GCC installation with the largest version">; def gcc_triple_EQ : Joined<["--"], "gcc-triple=">, HelpText<"Search for the GCC installation with the specified triple.">; def CC : Flag<["-"], "CC">, Visibility<[ClangOption, CC1Option]>, @@ -1505,6 +1509,7 @@ def end_no_unused_arguments : Flag<["--"], "end-no-unused-arguments">, def interface_stub_version_EQ : JoinedOrSeparate<["-"], "interface-stub-version=">, Visibility<[ClangOption, CC1Option]>; def exported__symbols__list : Separate<["-"], "exported_symbols_list">; +def alias_list : Separate<["-"], "alias_list">, Flags<[LinkerInput]>; def extract_api : Flag<["-"], "extract-api">, Visibility<[ClangOption, CC1Option]>, Group, HelpText<"Extract API information">; @@ -1603,6 +1608,13 @@ defm double_square_bracket_attributes : BoolFOption<"double-square-bracket-attri LangOpts<"DoubleSquareBracketAttributes">, DefaultTrue, PosFlag, NegFlag>; +defm experimental_late_parse_attributes : BoolFOption<"experimental-late-parse-attributes", + LangOpts<"ExperimentalLateParseAttributes">, DefaultFalse, + PosFlag, + NegFlag, + BothFlags<[], [ClangOption, CC1Option], + " experimental late parsing of attributes">>; + defm autolink : BoolFOption<"autolink", CodeGenOpts<"Autolink">, DefaultTrue, NegFlag, NegFlag>; +defm daz_ftz : SimpleMFlag<"daz-ftz", + "Globally set", "Do not globally set", + " the denormals-are-zero (DAZ) and flush-to-zero (FTZ) bits in the " + "floating-point control register on program startup">; + def ffor_scope : Flag<["-"], "ffor-scope">, Group; def fno_for_scope : Flag<["-"], "fno-for-scope">, Group; @@ -2876,6 +2893,17 @@ def flax_vector_conversions : Flag<["-"], "flax-vector-conversions">, Group, Group, HelpText<"Force linking the clang builtins runtime library">; + +/// ClangIR-specific options - BEGIN +defm clangir : BoolFOption<"clangir", + FrontendOpts<"UseClangIRPipeline">, DefaultFalse, + PosFlag, + NegFlag LLVM pipeline to compile">, + BothFlags<[], [ClangOption, CC1Option], "">>; +def emit_cir : Flag<["-"], "emit-cir">, Visibility<[CC1Option]>, + Group, HelpText<"Build ASTs and then lower to ClangIR">; +/// ClangIR-specific options - END + def flto_EQ : Joined<["-"], "flto=">, Visibility<[ClangOption, CLOption, CC1Option, FC1Option, FlangOption]>, Group, @@ -3099,6 +3127,11 @@ defm modules_skip_header_search_paths : BoolFOption<"modules-skip-header-search- HeaderSearchOpts<"ModulesSkipHeaderSearchPaths">, DefaultFalse, PosFlag, NegFlag, BothFlags<[], [CC1Option]>>; +def fno_modules_prune_non_affecting_module_map_files : + Flag<["-"], "fno-modules-prune-non-affecting-module-map-files">, + Group, Flags<[]>, Visibility<[CC1Option]>, + MarshallingInfoNegativeFlag>, + HelpText<"Do not prune non-affecting module map files when writing module files">; def fincremental_extensions : Flag<["-"], "fincremental-extensions">, @@ -4308,6 +4341,8 @@ def gsplit_dwarf_EQ : Joined<["-"], "gsplit-dwarf=">, Group, Values<"split,single">; def gno_split_dwarf : Flag<["-"], "gno-split-dwarf">, Group, Visibility<[ClangOption, CLOption, DXCOption]>; +def gtemplate_alias : Flag<["-"], "gtemplate-alias">, Group, Visibility<[ClangOption, CC1Option]>; +def gno_template_alias : Flag<["-"], "gno-template-alias">, Group, Visibility<[ClangOption]>; def gsimple_template_names : Flag<["-"], "gsimple-template-names">, Group; def gsimple_template_names_EQ : Joined<["-"], "gsimple-template-names=">, @@ -4744,9 +4779,9 @@ def munaligned_symbols : Flag<["-"], "munaligned-symbols">, Group, HelpText<"Expect external char-aligned symbols to be without ABI alignment (SystemZ only)">; def mno_unaligned_symbols : Flag<["-"], "mno-unaligned-symbols">, Group, HelpText<"Expect external char-aligned symbols to be without ABI alignment (SystemZ only)">; -def mstrict_align : Flag<["-"], "mstrict-align">, +def mstrict_align : Flag<["-"], "mstrict-align">, Group, HelpText<"Force all memory accesses to be aligned (AArch64/LoongArch/RISC-V only)">; -def mno_strict_align : Flag<["-"], "mno-strict-align">, +def mno_strict_align : Flag<["-"], "mno-strict-align">, Group, HelpText<"Allow memory accesses to be unaligned (AArch64/LoongArch/RISC-V only)">; def mno_thumb : Flag<["-"], "mno-thumb">, Group; def mrestrict_it: Flag<["-"], "mrestrict-it">, Group, @@ -4864,6 +4899,8 @@ def msimd128 : Flag<["-"], "msimd128">, Group; def mno_simd128 : Flag<["-"], "mno-simd128">, Group; def mrelaxed_simd : Flag<["-"], "mrelaxed-simd">, Group; def mno_relaxed_simd : Flag<["-"], "mno-relaxed-simd">, Group; +def mhalf_precision : Flag<["-"], "mhalf-precision">, Group; +def mno_half_precision : Flag<["-"], "mno-half-precision">, Group; def mnontrapping_fptoint : Flag<["-"], "mnontrapping-fptoint">, Group; def mno_nontrapping_fptoint : Flag<["-"], "mno-nontrapping-fptoint">, Group; def msign_ext : Flag<["-"], "msign-ext">, Group; @@ -5029,6 +5066,12 @@ def maix_small_local_exec_tls : Flag<["-"], "maix-small-local-exec-tls">, "where the offset from the TLS base is encoded as an " "immediate operand (AIX 64-bit only). " "This access sequence is not used for variables larger than 32KB.">; +def maix_small_local_dynamic_tls : Flag<["-"], "maix-small-local-dynamic-tls">, + Group, + HelpText<"Produce a faster access sequence for local-dynamic TLS variables " + "where the offset from the TLS base is encoded as an " + "immediate operand (AIX 64-bit only). " + "This access sequence is not used for variables larger than 32KB.">; def maix_struct_return : Flag<["-"], "maix-struct-return">, Group, Visibility<[ClangOption, CC1Option]>, HelpText<"Return all structs in memory (PPC32 only)">, @@ -5490,6 +5533,14 @@ def fno_rtlib_add_rpath: Flag<["-"], "fno-rtlib-add-rpath">, Visibility<[ClangOption, FlangOption]>, HelpText<"Do not add -rpath with architecture-specific resource directory to the linker flags. " "When --hip-link is specified, do not add -rpath with HIP runtime library directory to the linker flags">; +def frtlib_defaultlib : Flag<["-"], "frtlib-defaultlib">, + Visibility<[ClangOption, CLOption]>, + Group, + HelpText<"On Windows, emit /defaultlib: directives to link compiler-rt libraries (default)">; +def fno_rtlib_defaultlib : Flag<["-"], "fno-rtlib-defaultlib">, + Visibility<[ClangOption, CLOption]>, + Group, + HelpText<"On Windows, do not emit /defaultlib: directives to link compiler-rt libraries">; def offload_add_rpath: Flag<["--"], "offload-add-rpath">, Flags<[NoArgumentUnused]>, Alias; @@ -6556,12 +6607,6 @@ def J : JoinedOrSeparate<["-"], "J">, Group, Alias; -let Visibility = [FlangOption] in { -def no_fortran_main : Flag<["-"], "fno-fortran-main">, - Visibility<[FlangOption]>, Group, - HelpText<"Do not include Fortran_main.a (provided by Flang) when linking">; -} // let Visibility = [ FlangOption ] - //===----------------------------------------------------------------------===// // FC1 Options //===----------------------------------------------------------------------===// @@ -8343,14 +8388,15 @@ def _SLASH_FI : CLJoinedOrSeparate<"FI">, def _SLASH_Fe : CLJoined<"Fe">, HelpText<"Set output executable file name">, MetaVarName<"">; -def _SLASH_Fe_COLON : CLJoined<"Fe:">, Alias<_SLASH_Fe>; +def _SLASH_Fe_COLON : CLJoinedOrSeparate<"Fe:">, Alias<_SLASH_Fe>; def _SLASH_Fi : CLCompileJoined<"Fi">, HelpText<"Set preprocess output file name (with /P)">, MetaVarName<"">; +def _SLASH_Fi_COLON : CLJoinedOrSeparate<"Fi:">, Alias<_SLASH_Fi>; def _SLASH_Fo : CLCompileJoined<"Fo">, HelpText<"Set output object file (with /c)">, MetaVarName<"">; -def _SLASH_Fo_COLON : CLCompileJoined<"Fo:">, Alias<_SLASH_Fo>; +def _SLASH_Fo_COLON : CLCompileJoinedOrSeparate<"Fo:">, Alias<_SLASH_Fo>; def _SLASH_guard : CLJoined<"guard:">, HelpText<"Enable Control Flow Guard with /guard:cf, or only the table with /guard:cf,nochecks. " "Enable EH Continuation Guard with /guard:ehcont">; @@ -8445,6 +8491,7 @@ def _SLASH_Zc_dllexportInlines_ : CLFlag<"Zc:dllexportInlines-">, HelpText<"Do not dllexport/dllimport inline member functions of dllexport/import classes">; def _SLASH_Fp : CLJoined<"Fp">, HelpText<"Set pch file name (with /Yc and /Yu)">, MetaVarName<"">; +def _SLASH_Fp_COLON : CLJoinedOrSeparate<"Fp:">, Alias<_SLASH_Fp>; def _SLASH_Gd : CLFlag<"Gd">, HelpText<"Set __cdecl as a default calling convention">; diff --git a/clang/include/clang/ExtractAPI/API.h b/clang/include/clang/ExtractAPI/API.h index 92cacf65c7d64e585d00687d0121d071e3c6ca0d..d323e1668a72b1718ab62e24f139a6304b93cbdb 100644 --- a/clang/include/clang/ExtractAPI/API.h +++ b/clang/include/clang/ExtractAPI/API.h @@ -208,20 +208,20 @@ struct APIRecord { RK_ClassTemplate, RK_ClassTemplateSpecialization, RK_ClassTemplatePartialSpecialization, - RK_LastRecordContext, - RK_GlobalFunction, - RK_GlobalFunctionTemplate, - RK_GlobalFunctionTemplateSpecialization, + RK_StructField, + RK_UnionField, + RK_CXXField, + RK_StaticField, + RK_CXXFieldTemplate, RK_GlobalVariable, RK_GlobalVariableTemplate, RK_GlobalVariableTemplateSpecialization, RK_GlobalVariableTemplatePartialSpecialization, + RK_LastRecordContext, + RK_GlobalFunction, + RK_GlobalFunctionTemplate, + RK_GlobalFunctionTemplateSpecialization, RK_EnumConstant, - RK_StructField, - RK_UnionField, - RK_StaticField, - RK_CXXField, - RK_CXXFieldTemplate, RK_Concept, RK_CXXStaticMethod, RK_CXXInstanceMethod, @@ -321,6 +321,10 @@ public: RecordContext(APIRecord::RecordKind Kind) : Kind(Kind) {} + /// Append \p Other children chain into ours and empty out Other's record + /// chain. + void stealRecordChain(RecordContext &Other); + APIRecord::RecordKind getKind() const { return Kind; } struct record_iterator { @@ -370,6 +374,7 @@ private: APIRecord::RecordKind Kind; mutable APIRecord *First = nullptr; mutable APIRecord *Last = nullptr; + bool IsWellFormed() const; protected: friend class APISet; @@ -475,7 +480,7 @@ struct GlobalFunctionTemplateSpecializationRecord : GlobalFunctionRecord { }; /// This holds information associated with global functions. -struct GlobalVariableRecord : APIRecord { +struct GlobalVariableRecord : APIRecord, RecordContext { GlobalVariableRecord(StringRef USR, StringRef Name, SymbolReference Parent, PresumedLoc Loc, AvailabilityInfo Availability, LinkageInfo Linkage, const DocComment &Comment, @@ -483,23 +488,28 @@ struct GlobalVariableRecord : APIRecord { DeclarationFragments SubHeading, bool IsFromSystemHeader) : APIRecord(RK_GlobalVariable, USR, Name, Parent, Loc, std::move(Availability), Linkage, Comment, Declaration, - SubHeading, IsFromSystemHeader) {} + SubHeading, IsFromSystemHeader), + RecordContext(RK_GlobalVariable) {} GlobalVariableRecord(RecordKind Kind, StringRef USR, StringRef Name, - SymbolReference Parent, - - PresumedLoc Loc, AvailabilityInfo Availability, - LinkageInfo Linkage, const DocComment &Comment, + SymbolReference Parent, PresumedLoc Loc, + AvailabilityInfo Availability, LinkageInfo Linkage, + const DocComment &Comment, DeclarationFragments Declaration, DeclarationFragments SubHeading, bool IsFromSystemHeader) : APIRecord(Kind, USR, Name, Parent, Loc, std::move(Availability), Linkage, Comment, Declaration, SubHeading, - IsFromSystemHeader) {} + IsFromSystemHeader), + RecordContext(Kind) {} static bool classof(const APIRecord *Record) { return classofKind(Record->getKind()); } - static bool classofKind(RecordKind K) { return K == RK_GlobalVariable; } + static bool classofKind(RecordKind K) { + return K == RK_GlobalVariable || K == RK_GlobalVariableTemplate || + K == RK_GlobalVariableTemplateSpecialization || + K == RK_GlobalVariableTemplatePartialSpecialization; + } private: virtual void anchor(); @@ -591,20 +601,47 @@ private: virtual void anchor(); }; +struct TagRecord : APIRecord, RecordContext { + TagRecord(RecordKind Kind, StringRef USR, StringRef Name, + SymbolReference Parent, PresumedLoc Loc, + AvailabilityInfo Availability, const DocComment &Comment, + DeclarationFragments Declaration, DeclarationFragments SubHeading, + bool IsFromSystemHeader, bool IsEmbeddedInVarDeclarator, + AccessControl Access = AccessControl()) + : APIRecord(Kind, USR, Name, Parent, Loc, std::move(Availability), + LinkageInfo::none(), Comment, Declaration, SubHeading, + IsFromSystemHeader, std::move(Access)), + RecordContext(Kind), + IsEmbeddedInVarDeclarator(IsEmbeddedInVarDeclarator){}; + + static bool classof(const APIRecord *Record) { + return classofKind(Record->getKind()); + } + static bool classofKind(RecordKind K) { + return K == RK_Struct || K == RK_Union || K == RK_Enum; + } + + bool IsEmbeddedInVarDeclarator; + + virtual ~TagRecord() = 0; +}; + /// This holds information associated with enums. -struct EnumRecord : APIRecord, RecordContext { +struct EnumRecord : TagRecord { EnumRecord(StringRef USR, StringRef Name, SymbolReference Parent, PresumedLoc Loc, AvailabilityInfo Availability, const DocComment &Comment, DeclarationFragments Declaration, - DeclarationFragments SubHeading, bool IsFromSystemHeader) - : APIRecord(RK_Enum, USR, Name, Parent, Loc, std::move(Availability), - LinkageInfo::none(), Comment, Declaration, SubHeading, - IsFromSystemHeader), - RecordContext(RK_Enum) {} + DeclarationFragments SubHeading, bool IsFromSystemHeader, + bool IsEmbeddedInVarDeclarator, + AccessControl Access = AccessControl()) + : TagRecord(RK_Enum, USR, Name, Parent, Loc, std::move(Availability), + Comment, Declaration, SubHeading, IsFromSystemHeader, + IsEmbeddedInVarDeclarator, std::move(Access)) {} static bool classof(const APIRecord *Record) { return classofKind(Record->getKind()); } + static bool classofKind(RecordKind K) { return K == RK_Enum; } private: @@ -612,7 +649,7 @@ private: }; /// This holds information associated with struct or union fields fields. -struct RecordFieldRecord : APIRecord { +struct RecordFieldRecord : APIRecord, RecordContext { RecordFieldRecord(RecordKind Kind, StringRef USR, StringRef Name, SymbolReference Parent, PresumedLoc Loc, AvailabilityInfo Availability, const DocComment &Comment, @@ -620,7 +657,8 @@ struct RecordFieldRecord : APIRecord { DeclarationFragments SubHeading, bool IsFromSystemHeader) : APIRecord(Kind, USR, Name, Parent, Loc, std::move(Availability), LinkageInfo::none(), Comment, Declaration, SubHeading, - IsFromSystemHeader) {} + IsFromSystemHeader), + RecordContext(Kind) {} static bool classof(const APIRecord *Record) { return classofKind(Record->getKind()); @@ -633,16 +671,17 @@ struct RecordFieldRecord : APIRecord { }; /// This holds information associated with structs and unions. -struct RecordRecord : APIRecord, RecordContext { +struct RecordRecord : TagRecord { RecordRecord(RecordKind Kind, StringRef USR, StringRef Name, SymbolReference Parent, PresumedLoc Loc, AvailabilityInfo Availability, const DocComment &Comment, DeclarationFragments Declaration, - DeclarationFragments SubHeading, bool IsFromSystemHeader) - : APIRecord(Kind, USR, Name, Parent, Loc, std::move(Availability), - LinkageInfo::none(), Comment, Declaration, SubHeading, - IsFromSystemHeader), - RecordContext(Kind) {} + DeclarationFragments SubHeading, bool IsFromSystemHeader, + bool IsEmbeddedInVarDeclarator, + AccessControl Access = AccessControl()) + : TagRecord(Kind, USR, Name, Parent, Loc, std::move(Availability), + Comment, Declaration, SubHeading, IsFromSystemHeader, + IsEmbeddedInVarDeclarator, std::move(Access)) {} static bool classof(const APIRecord *Record) { return classofKind(Record->getKind()); @@ -651,6 +690,8 @@ struct RecordRecord : APIRecord, RecordContext { return K == RK_Struct || K == RK_Union; } + bool isAnonymousWithNoTypedef() { return Name.empty(); } + virtual ~RecordRecord() = 0; }; @@ -676,9 +717,11 @@ struct StructRecord : RecordRecord { StructRecord(StringRef USR, StringRef Name, SymbolReference Parent, PresumedLoc Loc, AvailabilityInfo Availability, const DocComment &Comment, DeclarationFragments Declaration, - DeclarationFragments SubHeading, bool IsFromSystemHeader) + DeclarationFragments SubHeading, bool IsFromSystemHeader, + bool IsEmbeddedInVarDeclarator) : RecordRecord(RK_Struct, USR, Name, Parent, Loc, std::move(Availability), - Comment, Declaration, SubHeading, IsFromSystemHeader) {} + Comment, Declaration, SubHeading, IsFromSystemHeader, + IsEmbeddedInVarDeclarator) {} static bool classof(const APIRecord *Record) { return classofKind(Record->getKind()); @@ -711,9 +754,11 @@ struct UnionRecord : RecordRecord { UnionRecord(StringRef USR, StringRef Name, SymbolReference Parent, PresumedLoc Loc, AvailabilityInfo Availability, const DocComment &Comment, DeclarationFragments Declaration, - DeclarationFragments SubHeading, bool IsFromSystemHeader) + DeclarationFragments SubHeading, bool IsFromSystemHeader, + bool IsEmbeddedInVarDeclarator) : RecordRecord(RK_Union, USR, Name, Parent, Loc, std::move(Availability), - Comment, Declaration, SubHeading, IsFromSystemHeader) {} + Comment, Declaration, SubHeading, IsFromSystemHeader, + IsEmbeddedInVarDeclarator) {} static bool classof(const APIRecord *Record) { return classofKind(Record->getKind()); @@ -724,7 +769,7 @@ private: virtual void anchor(); }; -struct CXXFieldRecord : APIRecord { +struct CXXFieldRecord : APIRecord, RecordContext { CXXFieldRecord(StringRef USR, StringRef Name, SymbolReference Parent, PresumedLoc Loc, AvailabilityInfo Availability, const DocComment &Comment, DeclarationFragments Declaration, @@ -732,7 +777,8 @@ struct CXXFieldRecord : APIRecord { bool IsFromSystemHeader) : APIRecord(RK_CXXField, USR, Name, Parent, Loc, std::move(Availability), LinkageInfo::none(), Comment, Declaration, SubHeading, - IsFromSystemHeader, std::move(Access)) {} + IsFromSystemHeader, std::move(Access)), + RecordContext(RK_CXXField) {} CXXFieldRecord(RecordKind Kind, StringRef USR, StringRef Name, SymbolReference Parent, PresumedLoc Loc, @@ -742,7 +788,8 @@ struct CXXFieldRecord : APIRecord { bool IsFromSystemHeader) : APIRecord(Kind, USR, Name, Parent, Loc, std::move(Availability), LinkageInfo::none(), Comment, Declaration, SubHeading, - IsFromSystemHeader, std::move(Access)) {} + IsFromSystemHeader, std::move(Access)), + RecordContext(Kind) {} static bool classof(const APIRecord *Record) { return classofKind(Record->getKind()); @@ -1118,18 +1165,18 @@ struct ObjCContainerRecord : APIRecord, RecordContext { virtual ~ObjCContainerRecord() = 0; }; -struct CXXClassRecord : APIRecord, RecordContext { +struct CXXClassRecord : RecordRecord { SmallVector Bases; CXXClassRecord(StringRef USR, StringRef Name, SymbolReference Parent, PresumedLoc Loc, AvailabilityInfo Availability, const DocComment &Comment, DeclarationFragments Declaration, DeclarationFragments SubHeading, RecordKind Kind, - AccessControl Access, bool IsFromSystemHeader) - : APIRecord(Kind, USR, Name, Parent, Loc, std::move(Availability), - LinkageInfo::none(), Comment, Declaration, SubHeading, - IsFromSystemHeader, std::move(Access)), - RecordContext(Kind) {} + AccessControl Access, bool IsFromSystemHeader, + bool IsEmbeddedInVarDeclarator = false) + : RecordRecord(Kind, USR, Name, Parent, Loc, std::move(Availability), + Comment, Declaration, SubHeading, IsFromSystemHeader, + IsEmbeddedInVarDeclarator, std::move(Access)) {} static bool classof(const APIRecord *Record) { return classofKind(Record->getKind()); diff --git a/clang/include/clang/ExtractAPI/APIRecords.inc b/clang/include/clang/ExtractAPI/APIRecords.inc index 15fee809656d9a4b5e50ba7b1f8c2ff88978128e..4cda4ef2f9be63f14b4922f09bd08ab0cafd3889 100644 --- a/clang/include/clang/ExtractAPI/APIRecords.inc +++ b/clang/include/clang/ExtractAPI/APIRecords.inc @@ -35,10 +35,11 @@ CONCRETE_RECORD(GlobalVariableTemplateSpecializationRecord, CONCRETE_RECORD(GlobalVariableTemplatePartialSpecializationRecord, GlobalVariableRecord, RK_GlobalVariableTemplatePartialSpecialization) +ABSTRACT_RECORD(TagRecord, APIRecord) CONCRETE_RECORD(EnumConstantRecord, APIRecord, RK_EnumConstant) -CONCRETE_RECORD(EnumRecord, APIRecord, RK_Enum) +CONCRETE_RECORD(EnumRecord, TagRecord, RK_Enum) ABSTRACT_RECORD(RecordFieldRecord, APIRecord) -ABSTRACT_RECORD(RecordRecord, APIRecord) +ABSTRACT_RECORD(RecordRecord, TagRecord) CONCRETE_RECORD(StructFieldRecord, RecordFieldRecord, RK_StructField) CONCRETE_RECORD(StructRecord, APIRecord, RK_Struct) CONCRETE_RECORD(UnionFieldRecord, RecordFieldRecord, RK_UnionField) @@ -99,5 +100,16 @@ RECORD_CONTEXT(ClassTemplateSpecializationRecord, RK_ClassTemplateSpecialization) RECORD_CONTEXT(ClassTemplatePartialSpecializationRecord, RK_ClassTemplatePartialSpecialization) +RECORD_CONTEXT(StructFieldRecord, RK_StructField) +RECORD_CONTEXT(UnionFieldRecord, RK_UnionField) +RECORD_CONTEXT(CXXFieldRecord, RK_CXXField) +RECORD_CONTEXT(StaticFieldRecord, RK_StaticField) +RECORD_CONTEXT(CXXFieldTemplateRecord, RK_CXXFieldTemplate) +RECORD_CONTEXT(GlobalVariableRecord, RK_GlobalVariable) +RECORD_CONTEXT(GlobalVariableTemplateRecord, RK_GlobalVariableTemplate) +RECORD_CONTEXT(GlobalVariableTemplateSpecializationRecord, + RK_GlobalVariableTemplateSpecialization) +RECORD_CONTEXT(GlobalVariableTemplatePartialSpecializationRecord, + RK_GlobalVariableTemplatePartialSpecialization) #undef RECORD_CONTEXT diff --git a/clang/include/clang/ExtractAPI/DeclarationFragments.h b/clang/include/clang/ExtractAPI/DeclarationFragments.h index 94392c185165951c39adad41cd402f83cd30119c..535da90b98284ba54f868eb4ea92d594da68c1f7 100644 --- a/clang/include/clang/ExtractAPI/DeclarationFragments.h +++ b/clang/include/clang/ExtractAPI/DeclarationFragments.h @@ -27,6 +27,8 @@ #include "clang/AST/TypeLoc.h" #include "clang/Basic/Specifiers.h" #include "clang/Lex/MacroInfo.h" +#include +#include #include namespace clang { @@ -113,28 +115,26 @@ public: ConstFragmentIterator cend() const { return Fragments.cend(); } - // Add a new Fragment at an arbitrary offset. - DeclarationFragments &insert(FragmentIterator It, StringRef Spelling, - FragmentKind Kind, - StringRef PreciseIdentifier = "", - const Decl *Declaration = nullptr) { - Fragments.insert(It, - Fragment(Spelling, Kind, PreciseIdentifier, Declaration)); - return *this; + /// Prepend another DeclarationFragments to the beginning. + /// + /// \returns a reference to the DeclarationFragments object itself after + /// appending to chain up consecutive operations. + DeclarationFragments &prepend(DeclarationFragments Other) { + return insert(begin(), std::move(Other)); } - DeclarationFragments &insert(FragmentIterator It, - DeclarationFragments &&Other) { - Fragments.insert(It, std::make_move_iterator(Other.Fragments.begin()), - std::make_move_iterator(Other.Fragments.end())); - Other.Fragments.clear(); - return *this; + /// Append another DeclarationFragments to the end. + /// + /// \returns a reference to the DeclarationFragments object itself after + /// appending to chain up consecutive operations. + DeclarationFragments &append(DeclarationFragments Other) { + return insert(end(), std::move(Other)); } /// Append a new Fragment to the end of the Fragments. /// /// \returns a reference to the DeclarationFragments object itself after - /// appending to chain up consecutive appends. + /// appending to chain up consecutive operations. DeclarationFragments &append(StringRef Spelling, FragmentKind Kind, StringRef PreciseIdentifier = "", const Decl *Declaration = nullptr) { @@ -149,18 +149,48 @@ public: return *this; } - /// Append another DeclarationFragments to the end. - /// - /// Note: \p Other is moved from and cannot be used after a call to this - /// method. + /// Inserts another DeclarationFragments at \p It. /// /// \returns a reference to the DeclarationFragments object itself after - /// appending to chain up consecutive appends. - DeclarationFragments &append(DeclarationFragments &&Other) { - Fragments.insert(Fragments.end(), - std::make_move_iterator(Other.Fragments.begin()), - std::make_move_iterator(Other.Fragments.end())); - Other.Fragments.clear(); + /// appending to chain up consecutive operations. + DeclarationFragments &insert(FragmentIterator It, + DeclarationFragments Other) { + if (Other.Fragments.empty()) + return *this; + + if (Fragments.empty()) { + Fragments = std::move(Other.Fragments); + return *this; + } + + const auto &OtherFrags = Other.Fragments; + auto ToInsertBegin = std::make_move_iterator(Other.begin()); + auto ToInsertEnd = std::make_move_iterator(Other.end()); + + // If we aren't inserting at the end let's make sure that we merge their + // last fragment with It if both are text fragments. + if (It != end() && It->Kind == FragmentKind::Text && + OtherFrags.back().Kind == FragmentKind::Text) { + auto &TheirBackSpelling = OtherFrags.back().Spelling; + It->Spelling.reserve(It->Spelling.size() + TheirBackSpelling.size()); + It->Spelling.insert(It->Spelling.begin(), TheirBackSpelling.begin(), + TheirBackSpelling.end()); + --ToInsertEnd; + } + + // If we aren't inserting at the beginning we want to merge their first + // fragment with the fragment before It if both are text fragments. + if (It != begin() && std::prev(It)->Kind == FragmentKind::Text && + OtherFrags.front().Kind == FragmentKind::Text) { + auto PrevIt = std::prev(It); + auto &TheirFrontSpelling = OtherFrags.front().Spelling; + PrevIt->Spelling.reserve(PrevIt->Spelling.size() + + TheirFrontSpelling.size()); + PrevIt->Spelling.append(TheirFrontSpelling); + ++ToInsertBegin; + } + + Fragments.insert(It, ToInsertBegin, ToInsertEnd); return *this; } @@ -177,13 +207,13 @@ public: /// Append a text Fragment of a space character. /// /// \returns a reference to the DeclarationFragments object itself after - /// appending to chain up consecutive appends. + /// appending to chain up consecutive operations. DeclarationFragments &appendSpace(); /// Append a text Fragment of a semicolon character. /// /// \returns a reference to the DeclarationFragments object itself after - /// appending to chain up consecutive appends. + /// appending to chain up consecutive operations. DeclarationFragments &appendSemicolon(); /// Removes a trailing semicolon character if present. diff --git a/clang/include/clang/ExtractAPI/ExtractAPIVisitor.h b/clang/include/clang/ExtractAPI/ExtractAPIVisitor.h index 4cb866892b5d00d10c7a3f70c2174b35f103563b..97cc457ea2a9263c8ce4b5910fc85b56a0c98755 100644 --- a/clang/include/clang/ExtractAPI/ExtractAPIVisitor.h +++ b/clang/include/clang/ExtractAPI/ExtractAPIVisitor.h @@ -224,6 +224,29 @@ protected: return API.createSymbolReference(Name, USR, getOwningModuleName(D)); } + + bool isEmbeddedInVarDeclarator(const TagDecl &D) { + return D.getName().empty() && getTypedefName(&D).empty() && + D.isEmbeddedInDeclarator(); + } + + void maybeMergeWithAnonymousTag(const DeclaratorDecl &D, + RecordContext *NewRecordContext) { + if (!NewRecordContext) + return; + auto *Tag = D.getType()->getAsTagDecl(); + SmallString<128> TagUSR; + clang::index::generateUSRForDecl(Tag, TagUSR); + if (auto *Record = llvm::dyn_cast_if_present( + API.findRecordForUSR(TagUSR))) { + if (Record->IsEmbeddedInVarDeclarator) { + NewRecordContext->stealRecordChain(*Record); + auto *NewRecord = cast(NewRecordContext); + if (NewRecord->Comment.empty()) + NewRecord->Comment = Record->Comment; + } + } + } }; template @@ -273,12 +296,18 @@ bool ExtractAPIVisitorBase::VisitVarDecl(const VarDecl *Decl) { USR, Name, createHierarchyInformationForDecl(*Decl), Loc, AvailabilityInfo::createFromDecl(Decl), Linkage, Comment, Declaration, SubHeading, Access, isInSystemHeader(Decl)); - } else + } else { // Add the global variable record to the API set. - API.createRecord( + auto *NewRecord = API.createRecord( USR, Name, createHierarchyInformationForDecl(*Decl), Loc, AvailabilityInfo::createFromDecl(Decl), Linkage, Comment, Declaration, SubHeading, isInSystemHeader(Decl)); + + // If this global variable has a non typedef'd anonymous tag type let's + // pretend the type's child records are under us in the hierarchy. + maybeMergeWithAnonymousTag(*Decl, NewRecord); + } + return true; } @@ -364,7 +393,7 @@ bool ExtractAPIVisitorBase::VisitEnumDecl(const EnumDecl *Decl) { if (Name.empty()) { llvm::raw_svector_ostream OS(QualifiedNameBuffer); Decl->printQualifiedName(OS); - Name = QualifiedNameBuffer.str(); + Name = QualifiedNameBuffer; } SmallString<128> USR; @@ -385,7 +414,7 @@ bool ExtractAPIVisitorBase::VisitEnumDecl(const EnumDecl *Decl) { auto *ER = API.createRecord( USR, Name, createHierarchyInformationForDecl(*Decl), Loc, AvailabilityInfo::createFromDecl(Decl), Comment, Declaration, SubHeading, - isInSystemHeader(Decl)); + isInSystemHeader(Decl), isEmbeddedInVarDeclarator(*Decl)); // Now collect information about the enumerators in this enum. getDerivedExtractAPIVisitor().recordEnumConstants(ER, Decl->enumerators()); @@ -510,16 +539,10 @@ bool ExtractAPIVisitorBase::VisitRecordDecl(const RecordDecl *Decl) { if (!getDerivedExtractAPIVisitor().shouldDeclBeIncluded(Decl)) return true; - SmallString<128> QualifiedNameBuffer; // Collect symbol information. StringRef Name = Decl->getName(); if (Name.empty()) Name = getTypedefName(Decl); - if (Name.empty()) { - llvm::raw_svector_ostream OS(QualifiedNameBuffer); - Decl->printQualifiedName(OS); - Name = QualifiedNameBuffer.str(); - } SmallString<128> USR; index::generateUSRForDecl(Decl, USR); @@ -541,12 +564,12 @@ bool ExtractAPIVisitorBase::VisitRecordDecl(const RecordDecl *Decl) { API.createRecord( USR, Name, createHierarchyInformationForDecl(*Decl), Loc, AvailabilityInfo::createFromDecl(Decl), Comment, Declaration, - SubHeading, isInSystemHeader(Decl)); + SubHeading, isInSystemHeader(Decl), isEmbeddedInVarDeclarator(*Decl)); else API.createRecord( USR, Name, createHierarchyInformationForDecl(*Decl), Loc, AvailabilityInfo::createFromDecl(Decl), Comment, Declaration, - SubHeading, isInSystemHeader(Decl)); + SubHeading, isInSystemHeader(Decl), isEmbeddedInVarDeclarator(*Decl)); return true; } @@ -559,6 +582,9 @@ bool ExtractAPIVisitorBase::VisitCXXRecordDecl( return true; StringRef Name = Decl->getName(); + if (Name.empty()) + Name = getTypedefName(Decl); + SmallString<128> USR; index::generateUSRForDecl(Decl, USR); PresumedLoc Loc = @@ -585,8 +611,7 @@ bool ExtractAPIVisitorBase::VisitCXXRecordDecl( CXXClassRecord *Record; if (Decl->getDescribedClassTemplate()) { // Inject template fragments before class fragments. - Declaration.insert( - Declaration.begin(), + Declaration.prepend( DeclarationFragmentsBuilder::getFragmentsForRedeclarableTemplate( Decl->getDescribedClassTemplate())); Record = API.createRecord( @@ -598,7 +623,8 @@ bool ExtractAPIVisitorBase::VisitCXXRecordDecl( Record = API.createRecord( USR, Name, createHierarchyInformationForDecl(*Decl), Loc, AvailabilityInfo::createFromDecl(Decl), Comment, Declaration, - SubHeading, Kind, Access, isInSystemHeader(Decl)); + SubHeading, Kind, Access, isInSystemHeader(Decl), + isEmbeddedInVarDeclarator(*Decl)); Record->Bases = getBases(Decl); @@ -1075,18 +1101,17 @@ bool ExtractAPIVisitorBase::VisitTypedefNameDecl( // If the underlying type was defined as part of the typedef modify it's // fragments directly and pretend the typedef doesn't exist. if (auto *TagDecl = Decl->getUnderlyingType()->getAsTagDecl()) { - if (TagDecl->getName() == Decl->getName() && - TagDecl->isEmbeddedInDeclarator() && TagDecl->isCompleteDefinition()) { + if (TagDecl->isEmbeddedInDeclarator() && TagDecl->isCompleteDefinition() && + Decl->getName() == TagDecl->getName()) { SmallString<128> TagUSR; index::generateUSRForDecl(TagDecl, TagUSR); if (auto *Record = API.findRecordForUSR(TagUSR)) { DeclarationFragments LeadingFragments; LeadingFragments.append("typedef", - DeclarationFragments::FragmentKind::Keyword, "", - nullptr); + DeclarationFragments::FragmentKind::Keyword); LeadingFragments.appendSpace(); Record->Declaration.removeTrailingSemicolon() - .insert(Record->Declaration.begin(), std::move(LeadingFragments)) + .prepend(std::move(LeadingFragments)) .append(" { ... } ", DeclarationFragments::FragmentKind::Text) .append(Name, DeclarationFragments::FragmentKind::Identifier) .appendSemicolon(); @@ -1221,26 +1246,31 @@ bool ExtractAPIVisitorBase::VisitFieldDecl(const FieldDecl *Decl) { DeclarationFragments SubHeading = DeclarationFragmentsBuilder::getSubHeading(Decl); + RecordContext *NewRecord = nullptr; if (isa(Decl->getDeclContext())) { AccessControl Access = DeclarationFragmentsBuilder::getAccessControl(Decl); - API.createRecord( + NewRecord = API.createRecord( USR, Name, createHierarchyInformationForDecl(*Decl), Loc, AvailabilityInfo::createFromDecl(Decl), Comment, Declaration, SubHeading, Access, isInSystemHeader(Decl)); } else if (auto *RD = dyn_cast(Decl->getDeclContext())) { if (RD->isUnion()) - API.createRecord( + NewRecord = API.createRecord( USR, Name, createHierarchyInformationForDecl(*Decl), Loc, AvailabilityInfo::createFromDecl(Decl), Comment, Declaration, SubHeading, isInSystemHeader(Decl)); else - API.createRecord( + NewRecord = API.createRecord( USR, Name, createHierarchyInformationForDecl(*Decl), Loc, AvailabilityInfo::createFromDecl(Decl), Comment, Declaration, SubHeading, isInSystemHeader(Decl)); } + // If this field has a non typedef'd anonymous tag type let's pretend the + // type's child records are under us in the hierarchy. + maybeMergeWithAnonymousTag(*Decl, NewRecord); + return true; } diff --git a/clang/include/clang/Frontend/ASTUnit.h b/clang/include/clang/Frontend/ASTUnit.h index a2c1b25dd224768fa38aeae466da1f0919bcfe4f..080844893c13c9503663a9ed7b8805a67ec20940 100644 --- a/clang/include/clang/Frontend/ASTUnit.h +++ b/clang/include/clang/Frontend/ASTUnit.h @@ -241,7 +241,7 @@ private: /// A list of the serialization ID numbers for each of the top-level /// declarations parsed within the precompiled preamble. - std::vector TopLevelDeclsInPreamble; + std::vector TopLevelDeclsInPreamble; /// Whether we should be caching code-completion results. bool ShouldCacheCodeCompletionResults : 1; diff --git a/clang/include/clang/Frontend/FrontendOptions.h b/clang/include/clang/Frontend/FrontendOptions.h index a738c1f375768282259993be13e40fcf6ce11ae0..bd4981ca0ac08cf2109649bfd5c22bc0169ce810 100644 --- a/clang/include/clang/Frontend/FrontendOptions.h +++ b/clang/include/clang/Frontend/FrontendOptions.h @@ -65,6 +65,9 @@ enum ActionKind { /// Translate input source into HTML. EmitHTML, + /// Emit a .cir file + EmitCIR, + /// Emit a .ll file. EmitLLVM, @@ -408,6 +411,10 @@ public: LLVM_PREFERRED_TYPE(bool) unsigned GenReducedBMI : 1; + /// Use Clang IR pipeline to emit code + LLVM_PREFERRED_TYPE(bool) + unsigned UseClangIRPipeline : 1; + CodeCompleteOptions CodeCompleteOpts; /// Specifies the output format of the AST. @@ -590,7 +597,7 @@ public: EmitSymbolGraph(false), EmitExtensionSymbolGraphs(false), EmitSymbolGraphSymbolLabelsForTesting(false), EmitPrettySymbolGraphs(false), GenReducedBMI(false), - TimeTraceGranularity(500) {} + UseClangIRPipeline(false), TimeTraceGranularity(500) {} /// getInputKindForExtension - Return the appropriate input kind for a file /// extension. For example, "c" would return Language::C. diff --git a/clang/include/clang/Frontend/MultiplexConsumer.h b/clang/include/clang/Frontend/MultiplexConsumer.h index 7f8d2858b3863eb71018e5dfca54c5efbf1fdce9..f29c8e92fded0cebb77329fc8cd4f3583992bb7c 100644 --- a/clang/include/clang/Frontend/MultiplexConsumer.h +++ b/clang/include/clang/Frontend/MultiplexConsumer.h @@ -35,7 +35,7 @@ public: void IdentifierRead(serialization::IdentID ID, IdentifierInfo *II) override; void MacroRead(serialization::MacroID ID, MacroInfo *MI) override; void TypeRead(serialization::TypeIdx Idx, QualType T) override; - void DeclRead(serialization::DeclID ID, const Decl *D) override; + void DeclRead(GlobalDeclID ID, const Decl *D) override; void SelectorRead(serialization::SelectorID iD, Selector Sel) override; void MacroDefinitionRead(serialization::PreprocessedEntityID, MacroDefinitionRecord *MD) override; diff --git a/clang/include/clang/InstallAPI/DylibVerifier.h b/clang/include/clang/InstallAPI/DylibVerifier.h index 31de212fc423a5e8548d894c2ac26e3a4a225ae8..ae0428abbb9c71cb8c28a93d06dcf4bda50542fe 100644 --- a/clang/include/clang/InstallAPI/DylibVerifier.h +++ b/clang/include/clang/InstallAPI/DylibVerifier.h @@ -78,10 +78,12 @@ public: DylibVerifier() = default; DylibVerifier(llvm::MachO::Records &&Dylib, ReexportedInterfaces &&Reexports, - DiagnosticsEngine *Diag, VerificationMode Mode, bool Zippered, - bool Demangle, StringRef DSYMPath) - : Dylib(std::move(Dylib)), Reexports(std::move(Reexports)), Mode(Mode), - Zippered(Zippered), Demangle(Demangle), DSYMPath(DSYMPath), + AliasMap Aliases, DiagnosticsEngine *Diag, + VerificationMode Mode, bool Zippered, bool Demangle, + StringRef DSYMPath) + : Dylib(std::move(Dylib)), Reexports(std::move(Reexports)), + Aliases(std::move(Aliases)), Mode(Mode), Zippered(Zippered), + Demangle(Demangle), DSYMPath(DSYMPath), Exports(std::make_unique()), Ctx(VerifierContext{Diag}) {} Result verify(GlobalRecord *R, const FrontendAttrs *FA); @@ -104,7 +106,7 @@ public: void setTarget(const Target &T); /// Release ownership over exports. - std::unique_ptr getExports() { return std::move(Exports); } + std::unique_ptr takeExports(); /// Get result of verification. Result getState() const { return Ctx.FrontendState; } @@ -189,6 +191,9 @@ private: // Reexported interfaces apart of the library. ReexportedInterfaces Reexports; + // Symbol aliases. + AliasMap Aliases; + // Controls what class of violations to report. VerificationMode Mode = VerificationMode::Invalid; diff --git a/clang/include/clang/InstallAPI/FileList.h b/clang/include/clang/InstallAPI/FileList.h index 460af003b6a0ac4e0c345496186209226c1c8061..913734b8dc7c8824b1916f6ffaba6ba4c4a24f92 100644 --- a/clang/include/clang/InstallAPI/FileList.h +++ b/clang/include/clang/InstallAPI/FileList.h @@ -29,9 +29,10 @@ public: /// /// \param InputBuffer JSON input data. /// \param Destination Container to load headers into. + /// \param FM Optional File Manager to validate input files exist. static llvm::Error loadHeaders(std::unique_ptr InputBuffer, - HeaderSeq &Destination); + HeaderSeq &Destination, clang::FileManager *FM = nullptr); FileListReader() = delete; }; diff --git a/clang/include/clang/InstallAPI/MachO.h b/clang/include/clang/InstallAPI/MachO.h index 854399f54ba6c84cea32fac9c66f78f67a46b6d1..9da91a62e233116b29d8beef474ef43ef43b47e7 100644 --- a/clang/include/clang/InstallAPI/MachO.h +++ b/clang/include/clang/InstallAPI/MachO.h @@ -23,6 +23,7 @@ #include "llvm/TextAPI/TextAPIWriter.h" #include "llvm/TextAPI/Utils.h" +using AliasMap = llvm::MachO::AliasMap; using Architecture = llvm::MachO::Architecture; using ArchitectureSet = llvm::MachO::ArchitectureSet; using SymbolFlags = llvm::MachO::SymbolFlags; diff --git a/clang/include/clang/Lex/HeaderSearch.h b/clang/include/clang/Lex/HeaderSearch.h index c5f90ef4cb3682a35f0869f81ff3f5a433ca396f..5ac63dddd4d4eaeb8a3db65fef5715da99add5e3 100644 --- a/clang/include/clang/Lex/HeaderSearch.h +++ b/clang/include/clang/Lex/HeaderSearch.h @@ -56,6 +56,12 @@ class TargetInfo; /// The preprocessor keeps track of this information for each /// file that is \#included. struct HeaderFileInfo { + // TODO: Whether the file was included is not a property of the file itself. + // It's a preprocessor state, move it there. + /// True if this file has been included (or imported) **locally**. + LLVM_PREFERRED_TYPE(bool) + unsigned IsLocallyIncluded : 1; + // TODO: Whether the file was imported is not a property of the file itself. // It's a preprocessor state, move it there. /// True if this is a \#import'd file. @@ -135,10 +141,10 @@ struct HeaderFileInfo { StringRef Framework; HeaderFileInfo() - : isImport(false), isPragmaOnce(false), DirInfo(SrcMgr::C_User), - External(false), isModuleHeader(false), isTextualModuleHeader(false), - isCompilingModuleHeader(false), Resolved(false), - IndexHeaderMapHeader(false), IsValid(false) {} + : IsLocallyIncluded(false), isImport(false), isPragmaOnce(false), + DirInfo(SrcMgr::C_User), External(false), isModuleHeader(false), + isTextualModuleHeader(false), isCompilingModuleHeader(false), + Resolved(false), IndexHeaderMapHeader(false), IsValid(false) {} /// Retrieve the controlling macro for this header file, if /// any. diff --git a/clang/include/clang/Lex/HeaderSearchOptions.h b/clang/include/clang/Lex/HeaderSearchOptions.h index 637dc77e5d957ec70beecc0aa5edb53dfd978548..e4437ac0e35263db2a413a2f7cf11326976a6b21 100644 --- a/clang/include/clang/Lex/HeaderSearchOptions.h +++ b/clang/include/clang/Lex/HeaderSearchOptions.h @@ -252,6 +252,10 @@ public: LLVM_PREFERRED_TYPE(bool) unsigned ModulesSkipPragmaDiagnosticMappings : 1; + /// Whether to prune non-affecting module map files from PCM files. + LLVM_PREFERRED_TYPE(bool) + unsigned ModulesPruneNonAffectingModuleMaps : 1; + LLVM_PREFERRED_TYPE(bool) unsigned ModulesHashContent : 1; @@ -280,7 +284,8 @@ public: ModulesValidateDiagnosticOptions(true), ModulesSkipDiagnosticOptions(false), ModulesSkipHeaderSearchPaths(false), - ModulesSkipPragmaDiagnosticMappings(false), ModulesHashContent(false), + ModulesSkipPragmaDiagnosticMappings(false), + ModulesPruneNonAffectingModuleMaps(true), ModulesHashContent(false), ModulesStrictContextHash(false), ModulesIncludeVFSUsage(false) {} /// AddPath - Add the \p Path path to the specified \p Group list. diff --git a/clang/include/clang/Lex/LiteralSupport.h b/clang/include/clang/Lex/LiteralSupport.h index 643ddbdad8c87dbe038fbaa311f6497cac694cc8..2ed42d1c5f9aae9aef473d1d85c9cec885c5d1a5 100644 --- a/clang/include/clang/Lex/LiteralSupport.h +++ b/clang/include/clang/Lex/LiteralSupport.h @@ -80,7 +80,8 @@ public: bool isFloat128 : 1; // 1.0q bool isFract : 1; // 1.0hr/r/lr/uhr/ur/ulr bool isAccum : 1; // 1.0hk/k/lk/uhk/uk/ulk - bool isBitInt : 1; // 1wb, 1uwb (C23) + bool isBitInt : 1; // 1wb, 1uwb (C23) or 1__wb, 1__uwb (Clang extension in C++ + // mode) uint8_t MicrosoftInteger; // Microsoft suffix extension i8, i16, i32, or i64. diff --git a/clang/include/clang/Parse/Parser.h b/clang/include/clang/Parse/Parser.h index 23b268126de4e0be3fcc53bbded85d7df4804a6a..daefd4f28f011aa9ece5088ea85e03d2133220e4 100644 --- a/clang/include/clang/Parse/Parser.h +++ b/clang/include/clang/Parse/Parser.h @@ -313,7 +313,15 @@ class Parser : public CodeCompletionHandler { /// top-level declaration is finished. SmallVector TemplateIds; + /// Don't destroy template annotations in MaybeDestroyTemplateIds even if + /// we're at the end of a declaration. Instead, we defer the destruction until + /// after a top-level declaration. + /// Use DelayTemplateIdDestructionRAII rather than setting it directly. + bool DelayTemplateIdDestruction = false; + void MaybeDestroyTemplateIds() { + if (DelayTemplateIdDestruction) + return; if (!TemplateIds.empty() && (Tok.is(tok::eof) || !PP.mightHavePendingAnnotationTokens())) DestroyTemplateIds(); @@ -329,6 +337,22 @@ class Parser : public CodeCompletionHandler { ~DestroyTemplateIdAnnotationsRAIIObj() { Self.MaybeDestroyTemplateIds(); } }; + struct DelayTemplateIdDestructionRAII { + Parser &Self; + bool PrevDelayTemplateIdDestruction; + + DelayTemplateIdDestructionRAII(Parser &Self, + bool DelayTemplateIdDestruction) noexcept + : Self(Self), + PrevDelayTemplateIdDestruction(Self.DelayTemplateIdDestruction) { + Self.DelayTemplateIdDestruction = DelayTemplateIdDestruction; + } + + ~DelayTemplateIdDestructionRAII() noexcept { + Self.DelayTemplateIdDestruction = PrevDelayTemplateIdDestruction; + } + }; + /// Identifiers which have been declared within a tentative parse. SmallVector TentativelyDeclaredIdentifiers; @@ -1374,12 +1398,21 @@ private: // A list of late-parsed attributes. Used by ParseGNUAttributes. class LateParsedAttrList: public SmallVector { public: - LateParsedAttrList(bool PSoon = false) : ParseSoon(PSoon) { } + LateParsedAttrList(bool PSoon = false, + bool LateAttrParseExperimentalExtOnly = false) + : ParseSoon(PSoon), + LateAttrParseExperimentalExtOnly(LateAttrParseExperimentalExtOnly) {} bool parseSoon() { return ParseSoon; } + /// returns true iff the attribute to be parsed should only be late parsed + /// if it is annotated with `LateAttrParseExperimentalExt` + bool lateAttrParseExperimentalExtOnly() { + return LateAttrParseExperimentalExtOnly; + } private: - bool ParseSoon; // Are we planning to parse these shortly after creation? + bool ParseSoon; // Are we planning to parse these shortly after creation? + bool LateAttrParseExperimentalExtOnly; }; /// Contains the lexed tokens of a member function definition @@ -2967,25 +3000,25 @@ private: Sema::AttributeCompletion Completion = Sema::AttributeCompletion::None, const IdentifierInfo *EnclosingScope = nullptr); - void MaybeParseHLSLSemantics(Declarator &D, - SourceLocation *EndLoc = nullptr) { - assert(getLangOpts().HLSL && "MaybeParseHLSLSemantics is for HLSL only"); + void MaybeParseHLSLAnnotations(Declarator &D, + SourceLocation *EndLoc = nullptr) { + assert(getLangOpts().HLSL && "MaybeParseHLSLAnnotations is for HLSL only"); if (Tok.is(tok::colon)) { ParsedAttributes Attrs(AttrFactory); - ParseHLSLSemantics(Attrs, EndLoc); + ParseHLSLAnnotations(Attrs, EndLoc); D.takeAttributes(Attrs); } } - void MaybeParseHLSLSemantics(ParsedAttributes &Attrs, - SourceLocation *EndLoc = nullptr) { - assert(getLangOpts().HLSL && "MaybeParseHLSLSemantics is for HLSL only"); + void MaybeParseHLSLAnnotations(ParsedAttributes &Attrs, + SourceLocation *EndLoc = nullptr) { + assert(getLangOpts().HLSL && "MaybeParseHLSLAnnotations is for HLSL only"); if (getLangOpts().HLSL && Tok.is(tok::colon)) - ParseHLSLSemantics(Attrs, EndLoc); + ParseHLSLAnnotations(Attrs, EndLoc); } - void ParseHLSLSemantics(ParsedAttributes &Attrs, - SourceLocation *EndLoc = nullptr); + void ParseHLSLAnnotations(ParsedAttributes &Attrs, + SourceLocation *EndLoc = nullptr); Decl *ParseHLSLBuffer(SourceLocation &DeclEnd); void MaybeParseMicrosoftAttributes(ParsedAttributes &Attrs) { @@ -3621,11 +3654,12 @@ private: ExprResult ParseOpenACCIDExpression(); /// Parses the variable list for the `cache` construct. void ParseOpenACCCacheVarList(); + + using OpenACCVarParseResult = std::pair; /// Parses a single variable in a variable list for OpenACC. - bool ParseOpenACCVar(); - /// Parses the variable list for the variety of clauses that take a var-list, - /// including the optional Special Token listed for some,based on clause type. - bool ParseOpenACCClauseVarList(OpenACCClauseKind Kind); + OpenACCVarParseResult ParseOpenACCVar(); + /// Parses the variable list for the variety of places that take a var-list. + llvm::SmallVector ParseOpenACCVarList(); /// Parses any parameters for an OpenACC Clause, including required/optional /// parens. OpenACCClauseParseResult @@ -3640,13 +3674,26 @@ private: /// Parses the clause-list for an OpenACC directive. SmallVector ParseOpenACCClauseList(OpenACCDirectiveKind DirKind); - bool ParseOpenACCWaitArgument(); + bool ParseOpenACCWaitArgument(SourceLocation Loc, bool IsDirective); /// Parses the clause of the 'bind' argument, which can be a string literal or /// an ID expression. ExprResult ParseOpenACCBindClauseArgument(); + + /// A type to represent the state of parsing after an attempt to parse an + /// OpenACC int-expr. This is useful to determine whether an int-expr list can + /// continue parsing after a failed int-expr. + using OpenACCIntExprParseResult = + std::pair; /// Parses the clause kind of 'int-expr', which can be any integral /// expression. - ExprResult ParseOpenACCIntExpr(); + OpenACCIntExprParseResult ParseOpenACCIntExpr(OpenACCDirectiveKind DK, + OpenACCClauseKind CK, + SourceLocation Loc); + /// Parses the argument list for 'num_gangs', which allows up to 3 + /// 'int-expr's. + bool ParseOpenACCIntExprList(OpenACCDirectiveKind DK, OpenACCClauseKind CK, + SourceLocation Loc, + llvm::SmallVectorImpl &IntExprs); /// Parses the 'device-type-list', which is a list of identifiers. bool ParseOpenACCDeviceTypeList(); /// Parses the 'async-argument', which is an integral value with two @@ -3657,9 +3704,9 @@ private: /// Parses a comma delimited list of 'size-expr's. bool ParseOpenACCSizeExprList(); /// Parses a 'gang-arg-list', used for the 'gang' clause. - bool ParseOpenACCGangArgList(); + bool ParseOpenACCGangArgList(SourceLocation GangLoc); /// Parses a 'gang-arg', used for the 'gang' clause. - bool ParseOpenACCGangArg(); + bool ParseOpenACCGangArg(SourceLocation GangLoc); /// Parses a 'condition' expr, ensuring it results in a ExprResult ParseOpenACCConditionExpr(); diff --git a/clang/include/clang/Sema/DeclSpec.h b/clang/include/clang/Sema/DeclSpec.h index c9eecdafe62c7ce148f69dfbfca8f791e129112d..23bc780e04979d84cbd5d789fd6a4e3921b27696 100644 --- a/clang/include/clang/Sema/DeclSpec.h +++ b/clang/include/clang/Sema/DeclSpec.h @@ -36,6 +36,7 @@ #include "llvm/ADT/SmallVector.h" #include "llvm/Support/Compiler.h" #include "llvm/Support/ErrorHandling.h" +#include namespace clang { class ASTContext; @@ -1790,6 +1791,7 @@ public: struct Binding { IdentifierInfo *Name; SourceLocation NameLoc; + std::optional Attrs; }; private: @@ -1809,15 +1811,15 @@ public: : Bindings(nullptr), NumBindings(0), DeleteBindings(false) {} DecompositionDeclarator(const DecompositionDeclarator &G) = delete; DecompositionDeclarator &operator=(const DecompositionDeclarator &G) = delete; - ~DecompositionDeclarator() { - if (DeleteBindings) - delete[] Bindings; - } + ~DecompositionDeclarator() { clear(); } void clear() { LSquareLoc = RSquareLoc = SourceLocation(); if (DeleteBindings) delete[] Bindings; + else + llvm::for_each(llvm::MutableArrayRef(Bindings, NumBindings), + [](Binding &B) { B.Attrs.reset(); }); Bindings = nullptr; NumBindings = 0; DeleteBindings = false; @@ -2339,10 +2341,10 @@ public: } /// Set the decomposition bindings for this declarator. - void - setDecompositionBindings(SourceLocation LSquareLoc, - ArrayRef Bindings, - SourceLocation RSquareLoc); + void setDecompositionBindings( + SourceLocation LSquareLoc, + MutableArrayRef Bindings, + SourceLocation RSquareLoc); /// AddTypeInfo - Add a chunk to this declarator. Also extend the range to /// EndLoc, which should be the last token of the chunk. diff --git a/clang/include/clang/Sema/Lookup.h b/clang/include/clang/Sema/Lookup.h index 0db5b847038ffdea0ef85bc81b1e3c11d8e1ff69..b0a08a05ac6a0ad8a4960afe44206a4067d27f07 100644 --- a/clang/include/clang/Sema/Lookup.h +++ b/clang/include/clang/Sema/Lookup.h @@ -499,7 +499,9 @@ public: /// Note that while no result was found in the current instantiation, /// there were dependent base classes that could not be searched. void setNotFoundInCurrentInstantiation() { - assert(ResultKind == NotFound && Decls.empty()); + assert((ResultKind == NotFound || + ResultKind == NotFoundInCurrentInstantiation) && + Decls.empty()); ResultKind = NotFoundInCurrentInstantiation; } diff --git a/clang/include/clang/Sema/MultiplexExternalSemaSource.h b/clang/include/clang/Sema/MultiplexExternalSemaSource.h index 2bf91cb5212c5eb786c897e7ad7c916a59316290..238fb398b7d12930becba1be738f44e7470024f8 100644 --- a/clang/include/clang/Sema/MultiplexExternalSemaSource.h +++ b/clang/include/clang/Sema/MultiplexExternalSemaSource.h @@ -65,7 +65,7 @@ public: /// Resolve a declaration ID into a declaration, potentially /// building a new declaration. - Decl *GetExternalDecl(uint32_t ID) override; + Decl *GetExternalDecl(GlobalDeclID ID) override; /// Complete the redeclaration chain if it's been extended since the /// previous generation of the AST source. diff --git a/clang/include/clang/Sema/ParsedAttr.h b/clang/include/clang/Sema/ParsedAttr.h index 25a5fa05b21c7d8ab1054231de0af5f109b74227..8368d9ce61466de8d91bea09956befdd641dc14a 100644 --- a/clang/include/clang/Sema/ParsedAttr.h +++ b/clang/include/clang/Sema/ParsedAttr.h @@ -948,6 +948,7 @@ public: ParsedAttributes(AttributeFactory &factory) : pool(factory) {} ParsedAttributes(const ParsedAttributes &) = delete; ParsedAttributes &operator=(const ParsedAttributes &) = delete; + ParsedAttributes(ParsedAttributes &&G) = default; AttributePool &getPool() const { return pool; } diff --git a/clang/include/clang/Sema/Scope.h b/clang/include/clang/Sema/Scope.h index 099c2739e8603a1f9d48f5c116fa07c9cdad8db0..1752a25111a775e49ee341245fe41427d11b74e9 100644 --- a/clang/include/clang/Sema/Scope.h +++ b/clang/include/clang/Sema/Scope.h @@ -156,6 +156,9 @@ public: /// This is the scope of an OpenACC Compute Construct, which restricts /// jumping into/out of it. OpenACCComputeConstructScope = 0x10000000, + + /// This is a scope of type alias declaration. + TypeAliasScope = 0x20000000, }; private: @@ -580,6 +583,9 @@ public: /// if/switch/while/for statement. bool isControlScope() const { return getFlags() & Scope::ControlScope; } + /// Determine whether this scope is a type alias scope. + bool isTypeAliasScope() const { return getFlags() & Scope::TypeAliasScope; } + /// Returns if rhs has a higher scope depth than this. /// /// The caller is responsible for calling this only if one of the two scopes diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h index 1e89dfc58d92b1758df8f9245025b566655ef076..a80ac6dbc761371e56bcd643d85d147c2d361263 100644 --- a/clang/include/clang/Sema/Sema.h +++ b/clang/include/clang/Sema/Sema.h @@ -3084,6 +3084,7 @@ public: Decl *ActOnStartOfFunctionDef(Scope *S, Decl *D, SkipBodyInfo *SkipBody = nullptr, FnBodyKind BodyKind = FnBodyKind::Other); + void applyFunctionAttributesBeforeParsingBody(Decl *FD); /// Determine whether we can delay parsing the body of a function or /// function template until it is used, assuming we don't care about emitting @@ -4096,12 +4097,12 @@ public: SmallVectorImpl &Exceptions, FunctionProtoType::ExceptionSpecInfo &ESI); - /// Add an exception-specification to the given member function - /// (or member function template). The exception-specification was parsed - /// after the method itself was declared. + /// Add an exception-specification to the given member or friend function + /// (or function template). The exception-specification was parsed + /// after the function itself was declared. void actOnDelayedExceptionSpecification( - Decl *Method, ExceptionSpecificationType EST, - SourceRange SpecificationRange, ArrayRef DynamicExceptions, + Decl *D, ExceptionSpecificationType EST, SourceRange SpecificationRange, + ArrayRef DynamicExceptions, ArrayRef DynamicExceptionRanges, Expr *NoexceptExpr); class InheritedConstructorInfo; @@ -5445,7 +5446,7 @@ public: ExprResult ActOnPredefinedExpr(SourceLocation Loc, tok::TokenKind Kind); ExprResult ActOnIntegerConstant(SourceLocation Loc, uint64_t Val); - bool CheckLoopHintExpr(Expr *E, SourceLocation Loc); + bool CheckLoopHintExpr(Expr *E, SourceLocation Loc, bool AllowZero); ExprResult ActOnNumericConstant(const Token &Tok, Scope *UDLScope = nullptr); ExprResult ActOnCharacterConstant(const Token &Tok, @@ -6527,7 +6528,10 @@ public: SourceLocation RParenLoc); //// ActOnCXXThis - Parse 'this' pointer. - ExprResult ActOnCXXThis(SourceLocation loc); + ExprResult ActOnCXXThis(SourceLocation Loc); + + /// Check whether the type of 'this' is valid in the current context. + bool CheckCXXThisType(SourceLocation Loc, QualType Type); /// Build a CXXThisExpr and mark it referenced in the current context. Expr *BuildCXXThisExpr(SourceLocation Loc, QualType Type, bool IsImplicit); @@ -6949,10 +6953,14 @@ private: ///@{ public: + /// Check whether an expression might be an implicit class member access. + bool isPotentialImplicitMemberAccess(const CXXScopeSpec &SS, LookupResult &R, + bool IsAddressOfOperand); + ExprResult BuildPossibleImplicitMemberExpr( const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, LookupResult &R, - const TemplateArgumentListInfo *TemplateArgs, const Scope *S, - UnresolvedLookupExpr *AsULE = nullptr); + const TemplateArgumentListInfo *TemplateArgs, const Scope *S); + ExprResult BuildImplicitMemberExpr(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, LookupResult &R, @@ -6970,12 +6978,6 @@ public: SourceLocation TemplateKWLoc, UnqualifiedId &Member, Decl *ObjCImpDecl); - MemberExpr *BuildMemberExpr( - Expr *Base, bool IsArrow, SourceLocation OpLoc, const CXXScopeSpec *SS, - SourceLocation TemplateKWLoc, ValueDecl *Member, DeclAccessPair FoundDecl, - bool HadMultipleCandidates, const DeclarationNameInfo &MemberNameInfo, - QualType Ty, ExprValueKind VK, ExprObjectKind OK, - const TemplateArgumentListInfo *TemplateArgs = nullptr); MemberExpr * BuildMemberExpr(Expr *Base, bool IsArrow, SourceLocation OpLoc, NestedNameSpecifierLoc NNS, SourceLocation TemplateKWLoc, @@ -7464,7 +7466,7 @@ public: bool LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, CXXScopeSpec &SS); bool LookupParsedName(LookupResult &R, Scope *S, CXXScopeSpec *SS, - bool AllowBuiltinCreation = false, + QualType ObjectType, bool AllowBuiltinCreation = false, bool EnteringContext = false); ObjCProtocolDecl *LookupProtocol( IdentifierInfo *II, SourceLocation IdLoc, @@ -8873,11 +8875,13 @@ public: /// functions (but no function templates). FoundFunctions, }; - bool LookupTemplateName( - LookupResult &R, Scope *S, CXXScopeSpec &SS, QualType ObjectType, - bool EnteringContext, bool &MemberOfUnknownSpecialization, - RequiredTemplateKind RequiredTemplate = SourceLocation(), - AssumedTemplateKind *ATK = nullptr, bool AllowTypoCorrection = true); + + bool + LookupTemplateName(LookupResult &R, Scope *S, CXXScopeSpec &SS, + QualType ObjectType, bool EnteringContext, + RequiredTemplateKind RequiredTemplate = SourceLocation(), + AssumedTemplateKind *ATK = nullptr, + bool AllowTypoCorrection = true); TemplateNameKind isTemplateName(Scope *S, CXXScopeSpec &SS, bool hasTemplateKeyword, @@ -9241,7 +9245,8 @@ public: void NoteTemplateParameterLocation(const NamedDecl &Decl); ExprResult BuildExpressionFromDeclTemplateArgument( - const TemplateArgument &Arg, QualType ParamType, SourceLocation Loc); + const TemplateArgument &Arg, QualType ParamType, SourceLocation Loc, + NamedDecl *TemplateParam = nullptr); ExprResult BuildExpressionFromNonTypeTemplateArgument(const TemplateArgument &Arg, SourceLocation Loc); @@ -9564,9 +9569,10 @@ public: bool isSameOrCompatibleFunctionType(QualType Param, QualType Arg); - TemplateArgumentLoc getTrivialTemplateArgumentLoc(const TemplateArgument &Arg, - QualType NTTPType, - SourceLocation Loc); + TemplateArgumentLoc + getTrivialTemplateArgumentLoc(const TemplateArgument &Arg, QualType NTTPType, + SourceLocation Loc, + NamedDecl *TemplateParam = nullptr); /// Get a template argument mapping the given template parameter to itself, /// e.g. for X in \c template, this would return an expression template diff --git a/clang/include/clang/Sema/SemaOpenACC.h b/clang/include/clang/Sema/SemaOpenACC.h index 329dc3945fa2a60f84b22a177c46ef27d1c9942c..edb0cbb7c5d5528758478ef89e167387a95164d1 100644 --- a/clang/include/clang/Sema/SemaOpenACC.h +++ b/clang/include/clang/Sema/SemaOpenACC.h @@ -44,8 +44,17 @@ public: Expr *ConditionExpr; }; - std::variant Details = - std::monostate{}; + struct IntExprDetails { + SmallVector IntExprs; + }; + + struct VarListDetails { + SmallVector VarList; + }; + + std::variant + Details = std::monostate{}; public: OpenACCParsedClause(OpenACCDirectiveKind DirKind, @@ -87,6 +96,36 @@ public: return std::get(Details).ConditionExpr; } + unsigned getNumIntExprs() const { + assert((ClauseKind == OpenACCClauseKind::NumGangs || + ClauseKind == OpenACCClauseKind::NumWorkers || + ClauseKind == OpenACCClauseKind::VectorLength) && + "Parsed clause kind does not have a int exprs"); + return std::get(Details).IntExprs.size(); + } + + ArrayRef getIntExprs() { + assert((ClauseKind == OpenACCClauseKind::NumGangs || + ClauseKind == OpenACCClauseKind::NumWorkers || + ClauseKind == OpenACCClauseKind::VectorLength) && + "Parsed clause kind does not have a int exprs"); + return std::get(Details).IntExprs; + } + + ArrayRef getIntExprs() const { + return const_cast(this)->getIntExprs(); + } + + ArrayRef getVarList() { + assert(ClauseKind == OpenACCClauseKind::Private && + "Parsed clause kind does not have a var-list"); + return std::get(Details).VarList; + } + + ArrayRef getVarList() const { + return const_cast(this)->getVarList(); + } + void setLParenLoc(SourceLocation EndLoc) { LParenLoc = EndLoc; } void setEndLoc(SourceLocation EndLoc) { ClauseRange.setEnd(EndLoc); } @@ -109,6 +148,33 @@ public: Details = ConditionDetails{ConditionExpr}; } + + void setIntExprDetails(ArrayRef IntExprs) { + assert((ClauseKind == OpenACCClauseKind::NumGangs || + ClauseKind == OpenACCClauseKind::NumWorkers || + ClauseKind == OpenACCClauseKind::VectorLength) && + "Parsed clause kind does not have a int exprs"); + Details = IntExprDetails{{IntExprs.begin(), IntExprs.end()}}; + } + void setIntExprDetails(llvm::SmallVector &&IntExprs) { + assert((ClauseKind == OpenACCClauseKind::NumGangs || + ClauseKind == OpenACCClauseKind::NumWorkers || + ClauseKind == OpenACCClauseKind::VectorLength) && + "Parsed clause kind does not have a int exprs"); + Details = IntExprDetails{std::move(IntExprs)}; + } + + void setVarListDetails(ArrayRef VarList) { + assert(ClauseKind == OpenACCClauseKind::Private && + "Parsed clause kind does not have a var-list"); + Details = VarListDetails{{VarList.begin(), VarList.end()}}; + } + + void setVarListDetails(llvm::SmallVector &&VarList) { + assert(ClauseKind == OpenACCClauseKind::Private && + "Parsed clause kind does not have a var-list"); + Details = VarListDetails{std::move(VarList)}; + } }; SemaOpenACC(Sema &S); @@ -148,6 +214,21 @@ public: /// Called after the directive has been completely parsed, including the /// declaration group or associated statement. DeclGroupRef ActOnEndDeclDirective(); + + /// Called when encountering an 'int-expr' for OpenACC, and manages + /// conversions and diagnostics to 'int'. + ExprResult ActOnIntExpr(OpenACCDirectiveKind DK, OpenACCClauseKind CK, + SourceLocation Loc, Expr *IntExpr); + + /// Called when encountering a 'var' for OpenACC, ensures it is actually a + /// declaration reference to a variable of the correct type. + ExprResult ActOnVar(Expr *VarExpr); + + /// Checks and creates an Array Section used in an OpenACC construct/clause. + ExprResult ActOnArraySectionExpr(Expr *Base, SourceLocation LBLoc, + Expr *LowerBound, + SourceLocation ColonLocFirst, Expr *Length, + SourceLocation RBLoc); }; } // namespace clang diff --git a/clang/include/clang/Serialization/ASTBitCodes.h b/clang/include/clang/Serialization/ASTBitCodes.h index 500098dd3dab1d25e49cb350e67b2e5ce1ad104b..a8df5a0bda085092308105bfef680032e28dc5e2 100644 --- a/clang/include/clang/Serialization/ASTBitCodes.h +++ b/clang/include/clang/Serialization/ASTBitCodes.h @@ -17,6 +17,7 @@ #ifndef LLVM_CLANG_SERIALIZATION_ASTBITCODES_H #define LLVM_CLANG_SERIALIZATION_ASTBITCODES_H +#include "clang/AST/DeclID.h" #include "clang/AST/DeclarationName.h" #include "clang/AST/Type.h" #include "clang/Basic/IdentifierTable.h" @@ -59,18 +60,9 @@ const unsigned VERSION_MINOR = 1; /// and start at 1. 0 is reserved for NULL. using IdentifierID = uint32_t; -/// An ID number that refers to a declaration in an AST file. -/// -/// The ID numbers of declarations are consecutive (in order of -/// discovery), with values below NUM_PREDEF_DECL_IDS being reserved. -/// At the start of a chain of precompiled headers, declaration ID 1 is -/// used for the translation unit declaration. -using DeclID = uint32_t; - -// FIXME: Turn these into classes so we can have some type safety when -// we go from local ID to global and vice-versa. -using LocalDeclID = DeclID; -using GlobalDeclID = DeclID; +/// An ID number that refers to a declaration in an AST file. See the comments +/// in DeclIDBase for details. +using DeclID = DeclIDBase::DeclID; /// An ID number that refers to a type in an AST file. /// @@ -981,8 +973,8 @@ enum PredefinedTypeIDs { /// OpenCL reserve_id type. PREDEF_TYPE_RESERVE_ID_ID = 41, - /// The placeholder type for OpenMP array section. - PREDEF_TYPE_OMP_ARRAY_SECTION = 42, + /// The placeholder type for an array section. + PREDEF_TYPE_ARRAY_SECTION = 42, /// The '__float128' type PREDEF_TYPE_FLOAT128_ID = 43, @@ -1165,74 +1157,6 @@ enum SpecialTypeIDs { /// The number of special type IDs. const unsigned NumSpecialTypeIDs = 8; -/// Predefined declaration IDs. -/// -/// These declaration IDs correspond to predefined declarations in the AST -/// context, such as the NULL declaration ID. Such declarations are never -/// actually serialized, since they will be built by the AST context when -/// it is created. -enum PredefinedDeclIDs { - /// The NULL declaration. - PREDEF_DECL_NULL_ID = 0, - - /// The translation unit. - PREDEF_DECL_TRANSLATION_UNIT_ID = 1, - - /// The Objective-C 'id' type. - PREDEF_DECL_OBJC_ID_ID = 2, - - /// The Objective-C 'SEL' type. - PREDEF_DECL_OBJC_SEL_ID = 3, - - /// The Objective-C 'Class' type. - PREDEF_DECL_OBJC_CLASS_ID = 4, - - /// The Objective-C 'Protocol' type. - PREDEF_DECL_OBJC_PROTOCOL_ID = 5, - - /// The signed 128-bit integer type. - PREDEF_DECL_INT_128_ID = 6, - - /// The unsigned 128-bit integer type. - PREDEF_DECL_UNSIGNED_INT_128_ID = 7, - - /// The internal 'instancetype' typedef. - PREDEF_DECL_OBJC_INSTANCETYPE_ID = 8, - - /// The internal '__builtin_va_list' typedef. - PREDEF_DECL_BUILTIN_VA_LIST_ID = 9, - - /// The internal '__va_list_tag' struct, if any. - PREDEF_DECL_VA_LIST_TAG = 10, - - /// The internal '__builtin_ms_va_list' typedef. - PREDEF_DECL_BUILTIN_MS_VA_LIST_ID = 11, - - /// The predeclared '_GUID' struct. - PREDEF_DECL_BUILTIN_MS_GUID_ID = 12, - - /// The extern "C" context. - PREDEF_DECL_EXTERN_C_CONTEXT_ID = 13, - - /// The internal '__make_integer_seq' template. - PREDEF_DECL_MAKE_INTEGER_SEQ_ID = 14, - - /// The internal '__NSConstantString' typedef. - PREDEF_DECL_CF_CONSTANT_STRING_ID = 15, - - /// The internal '__NSConstantString' tag type. - PREDEF_DECL_CF_CONSTANT_STRING_TAG_ID = 16, - - /// The internal '__type_pack_element' template. - PREDEF_DECL_TYPE_PACK_ELEMENT_ID = 17, -}; - -/// The number of declaration IDs that are predefined. -/// -/// For more information about predefined declarations, see the -/// \c PredefinedDeclIDs type and the PREDEF_DECL_*_ID constants. -const unsigned int NUM_PREDEF_DECL_IDS = 18; - /// Record of updates for a declaration that was modified after /// being deserialized. This can occur within DECLTYPES_BLOCK_ID. const unsigned int DECL_UPDATES = 49; @@ -2002,7 +1926,7 @@ enum StmtCode { STMT_OMP_TARGET_TEAMS_GENERIC_LOOP_DIRECTIVE, STMT_OMP_PARALLEL_GENERIC_LOOP_DIRECTIVE, STMT_OMP_TARGET_PARALLEL_GENERIC_LOOP_DIRECTIVE, - EXPR_OMP_ARRAY_SECTION, + EXPR_ARRAY_SECTION, EXPR_OMP_ARRAY_SHAPING, EXPR_OMP_ITERATOR, @@ -2056,39 +1980,10 @@ enum CtorInitializerType { /// Kinds of cleanup objects owned by ExprWithCleanups. enum CleanupObjectKind { COK_Block, COK_CompoundLiteral }; -/// Describes the redeclarations of a declaration. -struct LocalRedeclarationsInfo { - // The ID of the first declaration - DeclID FirstID; - - // Offset into the array of redeclaration chains. - unsigned Offset; - - friend bool operator<(const LocalRedeclarationsInfo &X, - const LocalRedeclarationsInfo &Y) { - return X.FirstID < Y.FirstID; - } - - friend bool operator>(const LocalRedeclarationsInfo &X, - const LocalRedeclarationsInfo &Y) { - return X.FirstID > Y.FirstID; - } - - friend bool operator<=(const LocalRedeclarationsInfo &X, - const LocalRedeclarationsInfo &Y) { - return X.FirstID <= Y.FirstID; - } - - friend bool operator>=(const LocalRedeclarationsInfo &X, - const LocalRedeclarationsInfo &Y) { - return X.FirstID >= Y.FirstID; - } -}; - /// Describes the categories of an Objective-C class. struct ObjCCategoriesInfo { // The ID of the definition - DeclID DefinitionID; + LocalDeclID DefinitionID; // Offset into the array of category lists. unsigned Offset; diff --git a/clang/include/clang/Serialization/ASTDeserializationListener.h b/clang/include/clang/Serialization/ASTDeserializationListener.h index f3a01a4b9731580c7b8e9eb056ea7ffc5cfa6af9..3ab7f1a91843b5c87afb91f64582323a3a107117 100644 --- a/clang/include/clang/Serialization/ASTDeserializationListener.h +++ b/clang/include/clang/Serialization/ASTDeserializationListener.h @@ -44,7 +44,7 @@ public: /// unqualified. virtual void TypeRead(serialization::TypeIdx Idx, QualType T) { } /// A decl was deserialized from the AST file. - virtual void DeclRead(serialization::DeclID ID, const Decl *D) { } + virtual void DeclRead(GlobalDeclID ID, const Decl *D) {} /// A selector was read from the AST file. virtual void SelectorRead(serialization::SelectorID iD, Selector Sel) {} /// A macro definition was read from the AST file. diff --git a/clang/include/clang/Serialization/ASTReader.h b/clang/include/clang/Serialization/ASTReader.h index 43ee06c524b3a0b75b9f9d3158890cce4803a736..64f1ebc117b327047c942f164702cbeccfbc490d 100644 --- a/clang/include/clang/Serialization/ASTReader.h +++ b/clang/include/clang/Serialization/ASTReader.h @@ -501,8 +501,7 @@ private: /// = I + 1 has already been loaded. llvm::PagedVector DeclsLoaded; - using GlobalDeclMapType = - ContinuousRangeMap; + using GlobalDeclMapType = ContinuousRangeMap; /// Mapping from global declaration IDs to the module in which the /// declaration resides. @@ -510,16 +509,15 @@ private: using FileOffset = std::pair; using FileOffsetsTy = SmallVector; - using DeclUpdateOffsetsMap = - llvm::DenseMap; + using DeclUpdateOffsetsMap = llvm::DenseMap; /// Declarations that have modifications residing in a later file /// in the chain. DeclUpdateOffsetsMap DeclUpdateOffsets; - using DelayedNamespaceOffsetMapTy = llvm::DenseMap< - serialization::DeclID, - std::pair>; + using DelayedNamespaceOffsetMapTy = + llvm::DenseMap>; /// Mapping from global declaration IDs to the lexical and visible block /// offset for delayed namespace in reduced BMI. @@ -533,13 +531,12 @@ private: struct PendingUpdateRecord { Decl *D; - serialization::GlobalDeclID ID; + GlobalDeclID ID; // Whether the declaration was just deserialized. bool JustLoaded; - PendingUpdateRecord(serialization::GlobalDeclID ID, Decl *D, - bool JustLoaded) + PendingUpdateRecord(GlobalDeclID ID, Decl *D, bool JustLoaded) : D(D), ID(ID), JustLoaded(JustLoaded) {} }; @@ -592,10 +589,10 @@ private: struct FileDeclsInfo { ModuleFile *Mod = nullptr; - ArrayRef Decls; + ArrayRef Decls; FileDeclsInfo() = default; - FileDeclsInfo(ModuleFile *Mod, ArrayRef Decls) + FileDeclsInfo(ModuleFile *Mod, ArrayRef Decls) : Mod(Mod), Decls(Decls) {} }; @@ -604,7 +601,11 @@ private: /// An array of lexical contents of a declaration context, as a sequence of /// Decl::Kind, DeclID pairs. - using LexicalContents = ArrayRef; + using unalighed_decl_id_t = + llvm::support::detail::packed_endian_specific_integral< + serialization::DeclID, llvm::endianness::native, + llvm::support::unaligned>; + using LexicalContents = ArrayRef; /// Map from a DeclContext to its lexical contents. llvm::DenseMap> @@ -629,8 +630,7 @@ private: /// Updates to the visible declarations of declaration contexts that /// haven't been loaded yet. - llvm::DenseMap - PendingVisibleUpdates; + llvm::DenseMap PendingVisibleUpdates; /// The set of C++ or Objective-C classes that have forward /// declarations that have not yet been linked to their definitions. @@ -656,7 +656,7 @@ private: /// Read the record that describes the visible contents of a DC. bool ReadVisibleDeclContextStorage(ModuleFile &M, llvm::BitstreamCursor &Cursor, - uint64_t Offset, serialization::DeclID ID); + uint64_t Offset, GlobalDeclID ID); /// A vector containing identifiers that have already been /// loaded. @@ -809,21 +809,26 @@ private: /// This contains the data loaded from all EAGERLY_DESERIALIZED_DECLS blocks /// in the chain. The referenced declarations are deserialized and passed to /// the consumer eagerly. - SmallVector EagerlyDeserializedDecls; + SmallVector EagerlyDeserializedDecls; /// The IDs of all tentative definitions stored in the chain. /// /// Sema keeps track of all tentative definitions in a TU because it has to /// complete them and pass them on to CodeGen. Thus, tentative definitions in /// the PCH chain must be eagerly deserialized. - SmallVector TentativeDefinitions; + SmallVector TentativeDefinitions; /// The IDs of all CXXRecordDecls stored in the chain whose VTables are /// used. /// /// CodeGen has to emit VTables for these records, so they have to be eagerly /// deserialized. - SmallVector VTableUses; + struct VTableUse { + GlobalDeclID ID; + SourceLocation::UIntTy RawLoc; + bool Used; + }; + SmallVector VTableUses; /// A snapshot of the pending instantiations in the chain. /// @@ -831,7 +836,11 @@ private: /// end of the TU. It consists of a pair of values for every pending /// instantiation where the first value is the ID of the decl and the second /// is the instantiation location. - SmallVector PendingInstantiations; + struct PendingInstantiation { + GlobalDeclID ID; + SourceLocation::UIntTy RawLoc; + }; + SmallVector PendingInstantiations; //@} @@ -841,11 +850,11 @@ private: /// A snapshot of Sema's unused file-scoped variable tracking, for /// generating warnings. - SmallVector UnusedFileScopedDecls; + SmallVector UnusedFileScopedDecls; /// A list of all the delegating constructors we've seen, to diagnose /// cycles. - SmallVector DelegatingCtorDecls; + SmallVector DelegatingCtorDecls; /// Method selectors used in a @selector expression. Used for /// implementation of -Wselector. @@ -858,7 +867,7 @@ private: /// The IDs of type aliases for ext_vectors that exist in the chain. /// /// Used by Sema for finding sugared names for ext_vectors in diagnostics. - SmallVector ExtVectorDecls; + SmallVector ExtVectorDecls; //@} @@ -869,7 +878,7 @@ private: /// The IDs of all potentially unused typedef names in the chain. /// /// Sema tracks these to emit warnings. - SmallVector UnusedLocalTypedefNameCandidates; + SmallVector UnusedLocalTypedefNameCandidates; /// Our current depth in #pragma cuda force_host_device begin/end /// macros. @@ -878,7 +887,7 @@ private: /// The IDs of the declarations Sema stores directly. /// /// Sema tracks a few important decls, such as namespace std, directly. - SmallVector SemaDeclRefs; + SmallVector SemaDeclRefs; /// The IDs of the types ASTContext stores directly. /// @@ -889,7 +898,7 @@ private: /// /// The AST context tracks a few important decls, currently cudaConfigureCall, /// directly. - SmallVector CUDASpecialDeclRefs; + SmallVector CUDASpecialDeclRefs; /// The floating point pragma option settings. SmallVector FPPragmaOptions; @@ -938,11 +947,15 @@ private: llvm::DenseMap> OpenCLDeclExtMap; /// A list of the namespaces we've seen. - SmallVector KnownNamespaces; + SmallVector KnownNamespaces; /// A list of undefined decls with internal linkage followed by the /// SourceLocation of a matching ODR-use. - SmallVector UndefinedButUsed; + struct UndefinedButUsedDecl { + GlobalDeclID ID; + SourceLocation::UIntTy RawLoc; + }; + SmallVector UndefinedButUsed; /// Delete expressions to analyze at the end of translation unit. SmallVector DelayedDeleteExprs; @@ -954,7 +967,7 @@ private: /// The IDs of all decls to be checked for deferred diags. /// /// Sema tracks these to emit deferred diags. - llvm::SmallSetVector DeclsToCheckForDeferredDiags; + llvm::SmallSetVector DeclsToCheckForDeferredDiags; private: struct ImportedSubmodule { @@ -1091,8 +1104,8 @@ private: /// /// The declarations on the identifier chain for these identifiers will be /// loaded once the recursive loading has completed. - llvm::MapVector> - PendingIdentifierInfos; + llvm::MapVector> + PendingIdentifierInfos; /// The set of lookup results that we have faked in order to support /// merging of partially deserialized decls but that we have not yet removed. @@ -1136,8 +1149,8 @@ private: /// been loaded but its DeclContext was not set yet. struct PendingDeclContextInfo { Decl *D; - serialization::GlobalDeclID SemaDC; - serialization::GlobalDeclID LexicalDC; + GlobalDeclID SemaDC; + GlobalDeclID LexicalDC; }; /// The set of Decls that have been loaded but their DeclContexts are @@ -1218,8 +1231,7 @@ private: /// module is loaded. SmallVector ObjCClassesLoaded; - using KeyDeclsMap = - llvm::DenseMap>; + using KeyDeclsMap = llvm::DenseMap>; /// A mapping from canonical declarations to the set of global /// declaration IDs for key declaration that have been merged with that @@ -1428,7 +1440,7 @@ private: QualType readTypeRecord(unsigned Index); RecordLocation TypeCursorForIndex(unsigned Index); void LoadedDecl(unsigned Index, Decl *D); - Decl *ReadDeclRecord(serialization::DeclID ID); + Decl *ReadDeclRecord(GlobalDeclID ID); void markIncompleteDeclChain(Decl *D); /// Returns the most recent declaration of a declaration (which must be @@ -1436,11 +1448,10 @@ private: /// merged into its redecl chain. Decl *getMostRecentExistingDecl(Decl *D); - RecordLocation DeclCursorForID(serialization::DeclID ID, - SourceLocation &Location); + RecordLocation DeclCursorForID(GlobalDeclID ID, SourceLocation &Location); void loadDeclUpdateRecords(PendingUpdateRecord &Record); void loadPendingDeclChain(Decl *D, uint64_t LocalOffset); - void loadObjCCategories(serialization::GlobalDeclID ID, ObjCInterfaceDecl *D, + void loadObjCCategories(GlobalDeclID ID, ObjCInterfaceDecl *D, unsigned PreviousGeneration = 0); RecordLocation getLocalBitOffset(uint64_t GlobalOffset); @@ -1475,11 +1486,10 @@ private: unsigned ClientLoadCapabilities); public: - class ModuleDeclIterator - : public llvm::iterator_adaptor_base< - ModuleDeclIterator, const serialization::LocalDeclID *, - std::random_access_iterator_tag, const Decl *, ptrdiff_t, - const Decl *, const Decl *> { + class ModuleDeclIterator : public llvm::iterator_adaptor_base< + ModuleDeclIterator, const LocalDeclID *, + std::random_access_iterator_tag, const Decl *, + ptrdiff_t, const Decl *, const Decl *> { ASTReader *Reader = nullptr; ModuleFile *Mod = nullptr; @@ -1487,7 +1497,7 @@ public: ModuleDeclIterator() : iterator_adaptor_base(nullptr) {} ModuleDeclIterator(ASTReader *Reader, ModuleFile *Mod, - const serialization::LocalDeclID *Pos) + const LocalDeclID *Pos) : iterator_adaptor_base(Pos), Reader(Reader), Mod(Mod) {} value_type operator*() const { @@ -1515,9 +1525,8 @@ private: void pushExternalDeclIntoScope(NamedDecl *D, DeclarationName Name); - void addPendingDeclContextInfo(Decl *D, - serialization::GlobalDeclID SemaDC, - serialization::GlobalDeclID LexicalDC) { + void addPendingDeclContextInfo(Decl *D, GlobalDeclID SemaDC, + GlobalDeclID LexicalDC) { assert(D); PendingDeclContextInfo Info = { D, SemaDC, LexicalDC }; PendingDeclContextInfos.push_back(Info); @@ -1895,38 +1904,36 @@ public: /// Map from a local declaration ID within a given module to a /// global declaration ID. - serialization::DeclID getGlobalDeclID(ModuleFile &F, - serialization::LocalDeclID LocalID) const; + GlobalDeclID getGlobalDeclID(ModuleFile &F, LocalDeclID LocalID) const; /// Returns true if global DeclID \p ID originated from module \p M. - bool isDeclIDFromModule(serialization::GlobalDeclID ID, ModuleFile &M) const; + bool isDeclIDFromModule(GlobalDeclID ID, ModuleFile &M) const; /// Retrieve the module file that owns the given declaration, or NULL /// if the declaration is not from a module file. ModuleFile *getOwningModuleFile(const Decl *D); /// Returns the source location for the decl \p ID. - SourceLocation getSourceLocationForDeclID(serialization::GlobalDeclID ID); + SourceLocation getSourceLocationForDeclID(GlobalDeclID ID); /// Resolve a declaration ID into a declaration, potentially /// building a new declaration. - Decl *GetDecl(serialization::DeclID ID); - Decl *GetExternalDecl(uint32_t ID) override; + Decl *GetDecl(GlobalDeclID ID); + Decl *GetExternalDecl(GlobalDeclID ID) override; /// Resolve a declaration ID into a declaration. Return 0 if it's not /// been loaded yet. - Decl *GetExistingDecl(serialization::DeclID ID); + Decl *GetExistingDecl(GlobalDeclID ID); /// Reads a declaration with the given local ID in the given module. - Decl *GetLocalDecl(ModuleFile &F, uint32_t LocalID) { + Decl *GetLocalDecl(ModuleFile &F, LocalDeclID LocalID) { return GetDecl(getGlobalDeclID(F, LocalID)); } /// Reads a declaration with the given local ID in the given module. /// /// \returns The requested declaration, casted to the given return type. - template - T *GetLocalDeclAs(ModuleFile &F, uint32_t LocalID) { + template T *GetLocalDeclAs(ModuleFile &F, LocalDeclID LocalID) { return cast_or_null(GetLocalDecl(F, LocalID)); } @@ -1935,16 +1942,15 @@ public: /// /// \returns the global ID of the given declaration as known in the given /// module file. - serialization::DeclID - mapGlobalIDToModuleFileGlobalID(ModuleFile &M, - serialization::DeclID GlobalID); + LocalDeclID mapGlobalIDToModuleFileGlobalID(ModuleFile &M, + GlobalDeclID GlobalID); /// Reads a declaration ID from the given position in a record in the /// given module. /// /// \returns The declaration ID read from the record, adjusted to a global ID. - serialization::DeclID ReadDeclID(ModuleFile &F, const RecordData &Record, - unsigned &Idx); + GlobalDeclID ReadDeclID(ModuleFile &F, const RecordData &Record, + unsigned &Idx); /// Reads a declaration from the given position in a record in the /// given module. @@ -2119,7 +2125,7 @@ public: void SetIdentifierInfo(unsigned ID, IdentifierInfo *II); void SetGloballyVisibleDecls(IdentifierInfo *II, - const SmallVectorImpl &DeclIDs, + const SmallVectorImpl &DeclIDs, SmallVectorImpl *Decls = nullptr); /// Report a diagnostic. @@ -2361,7 +2367,7 @@ public: // Contains the IDs for declarations that were requested before we have // access to a Sema object. - SmallVector PreloadedDeclIDs; + SmallVector PreloadedDeclIDs; /// Retrieve the semantic analysis object used to analyze the /// translation unit in which the precompiled header is being diff --git a/clang/include/clang/Serialization/ASTRecordReader.h b/clang/include/clang/Serialization/ASTRecordReader.h index 7dd1140106e47c6199e60a7e0186864e571b0627..1e11d2d5e42f95567b1f2ffbcea5dd056b60dae2 100644 --- a/clang/include/clang/Serialization/ASTRecordReader.h +++ b/clang/include/clang/Serialization/ASTRecordReader.h @@ -103,13 +103,6 @@ public: DC); } - /// Read the record that describes the visible contents of a DC. - bool readVisibleDeclContextStorage(uint64_t Offset, - serialization::DeclID ID) { - return Reader->ReadVisibleDeclContextStorage(*F, F->DeclsCursor, Offset, - ID); - } - ExplicitSpecifier readExplicitSpec() { uint64_t Kind = readInt(); bool HasExpr = Kind & 0x1; @@ -143,8 +136,7 @@ public: /// Reads a declaration with the given local ID in the given module. /// /// \returns The requested declaration, casted to the given return type. - template - T *GetLocalDeclAs(uint32_t LocalID) { + template T *GetLocalDeclAs(LocalDeclID LocalID) { return cast_or_null(Reader->GetLocalDecl(*F, LocalID)); } @@ -190,9 +182,7 @@ public: /// Reads a declaration ID from the given position in this record. /// /// \returns The declaration ID read from the record, adjusted to a global ID. - serialization::DeclID readDeclID() { - return Reader->ReadDeclID(*F, Record, Idx); - } + GlobalDeclID readDeclID() { return Reader->ReadDeclID(*F, Record, Idx); } /// Reads a declaration from the given position in a record in the /// given module, advancing Idx. @@ -279,6 +269,9 @@ public: /// Read an OpenMP children, advancing Idx. void readOMPChildren(OMPChildren *Data); + /// Read a list of Exprs used for a var-list. + llvm::SmallVector readOpenACCVarList(); + /// Read an OpenACC clause, advancing Idx. OpenACCClause *readOpenACCClause(); diff --git a/clang/include/clang/Serialization/ASTRecordWriter.h b/clang/include/clang/Serialization/ASTRecordWriter.h index 1feb8fcbacf772cec2d88a50ee98fcd37241ad36..8b1da49bd4c5760ffec16bae16bd7f1d8576d263 100644 --- a/clang/include/clang/Serialization/ASTRecordWriter.h +++ b/clang/include/clang/Serialization/ASTRecordWriter.h @@ -15,6 +15,7 @@ #define LLVM_CLANG_SERIALIZATION_ASTRECORDWRITER_H #include "clang/AST/AbstractBasicWriter.h" +#include "clang/AST/OpenACCClause.h" #include "clang/AST/OpenMPClause.h" #include "clang/Serialization/ASTWriter.h" #include "clang/Serialization/SourceLocationEncoding.h" @@ -293,6 +294,8 @@ public: /// Writes data related to the OpenMP directives. void writeOMPChildren(OMPChildren *Data); + void writeOpenACCVarList(const OpenACCClauseWithVarList *C); + /// Writes out a single OpenACC Clause. void writeOpenACCClause(const OpenACCClause *C); diff --git a/clang/include/clang/Serialization/ASTWriter.h b/clang/include/clang/Serialization/ASTWriter.h index 443f77031047006df8108f26570a669f30fc5c75..436acbb1803ca73da2ee8e279b66d66f7e65712d 100644 --- a/clang/include/clang/Serialization/ASTWriter.h +++ b/clang/include/clang/Serialization/ASTWriter.h @@ -212,10 +212,10 @@ private: llvm::SmallVector DelayedNamespace; /// The first ID number we can use for our own declarations. - serialization::DeclID FirstDeclID = serialization::NUM_PREDEF_DECL_IDS; + LocalDeclID FirstDeclID = LocalDeclID(clang::NUM_PREDEF_DECL_IDS); /// The decl ID that will be assigned to the next new decl. - serialization::DeclID NextDeclID = FirstDeclID; + LocalDeclID NextDeclID = FirstDeclID; /// Map that provides the ID numbers of each declaration within /// the output stream, as well as those deserialized from a chained PCH. @@ -223,7 +223,7 @@ private: /// The ID numbers of declarations are consecutive (in order of /// discovery) and start at 2. 1 is reserved for the translation /// unit, while 0 is reserved for NULL. - llvm::DenseMap DeclIDs; + llvm::DenseMap DeclIDs; /// Offset of each declaration in the bitstream, indexed by /// the declaration's ID. @@ -233,9 +233,8 @@ private: /// are relative to this value. uint64_t DeclTypesBlockStartOffset = 0; - /// Sorted (by file offset) vector of pairs of file offset/DeclID. - using LocDeclIDsTy = - SmallVector, 64>; + /// Sorted (by file offset) vector of pairs of file offset/LocalDeclID. + using LocDeclIDsTy = SmallVector, 64>; struct DeclIDInFileInfo { LocDeclIDsTy DeclIDs; @@ -250,7 +249,7 @@ private: /// that it contains. FileDeclIDsTy FileDeclIDs; - void associateDeclWithFile(const Decl *D, serialization::DeclID); + void associateDeclWithFile(const Decl *D, LocalDeclID); /// The first ID number we can use for our own types. serialization::TypeID FirstTypeID = serialization::NUM_PREDEF_TYPE_IDS; @@ -399,6 +398,11 @@ private: /// record containing modifications to them. DeclUpdateMap DeclUpdates; + /// DeclUpdates added during parsing the GMF. We split these from + /// DeclUpdates since we want to add these updates in GMF on need. + /// Only meaningful for reduced BMI. + DeclUpdateMap DeclUpdatesFromGMF; + using FirstLatestDeclMap = llvm::DenseMap; /// Map of first declarations from a chained PCH that point to the @@ -416,8 +420,8 @@ private: /// headers. The declarations themselves are stored as declaration /// IDs, since they will be written out to an EAGERLY_DESERIALIZED_DECLS /// record. - SmallVector EagerlyDeserializedDecls; - SmallVector ModularCodegenDecls; + RecordData EagerlyDeserializedDecls; + RecordData ModularCodegenDecls; /// DeclContexts that have received extensions since their serialized /// form. @@ -521,6 +525,7 @@ private: /// Calculate hash of the pcm content. std::pair createSignature() const; + ASTFileSignature createSignatureForNamedModule() const; void WriteInputFiles(SourceManager &SourceMgr, HeaderSearchOptions &HSOpts); void WriteSourceManagerBlock(SourceManager &SourceMgr, @@ -554,6 +559,8 @@ private: void WriteIdentifierTable(Preprocessor &PP, IdentifierResolver &IdResolver, bool IsModule); void WriteDeclAndTypes(ASTContext &Context); + void PrepareWritingSpecialDecls(Sema &SemaRef); + void WriteSpecialDeclRecords(Sema &SemaRef); void WriteDeclUpdatesBlocks(RecordDataImpl &OffsetsRecord); void WriteDeclContextVisibleUpdate(const DeclContext *DC); void WriteFPPragmaOptions(const FPOptionsOverride &Opts); @@ -702,18 +709,21 @@ public: return false; auto I = DeclIDs.find(D); return (I == DeclIDs.end() || - I->second >= serialization::NUM_PREDEF_DECL_IDS); + I->second.get() >= clang::NUM_PREDEF_DECL_IDS); }; /// Emit a reference to a declaration. void AddDeclRef(const Decl *D, RecordDataImpl &Record); + // Emit a reference to a declaration if the declaration was emitted. + void AddEmittedDeclRef(const Decl *D, RecordDataImpl &Record); - /// Force a declaration to be emitted and get its ID. - serialization::DeclID GetDeclRef(const Decl *D); + /// Force a declaration to be emitted and get its local ID to the module file + /// been writing. + LocalDeclID GetDeclRef(const Decl *D); - /// Determine the declaration ID of an already-emitted + /// Determine the local declaration ID of an already-emitted /// declaration. - serialization::DeclID getDeclID(const Decl *D); + LocalDeclID getDeclID(const Decl *D); /// Whether or not the declaration got emitted. If not, it wouldn't be /// emitted. @@ -866,11 +876,18 @@ private: void RedefinedHiddenDefinition(const NamedDecl *D, Module *M) override; void AddedAttributeToRecord(const Attr *Attr, const RecordDecl *Record) override; + void EnteringModulePurview() override; + void AddedManglingNumber(const Decl *D, unsigned) override; + void AddedStaticLocalNumbers(const Decl *D, unsigned) override; + void AddedAnonymousNamespace(const TranslationUnitDecl *, + NamespaceDecl *AnonNamespace) override; }; /// AST and semantic-analysis consumer that generates a /// precompiled header from the parsed source code. class PCHGenerator : public SemaConsumer { + void anchor() override; + Preprocessor &PP; std::string OutputFile; std::string isysroot; @@ -914,17 +931,34 @@ public: bool hasEmittedPCH() const { return Buffer->IsComplete; } }; -class ReducedBMIGenerator : public PCHGenerator { +class CXX20ModulesGenerator : public PCHGenerator { + void anchor() override; + protected: virtual Module *getEmittingModule(ASTContext &Ctx) override; + CXX20ModulesGenerator(Preprocessor &PP, InMemoryModuleCache &ModuleCache, + StringRef OutputFile, bool GeneratingReducedBMI); + public: - ReducedBMIGenerator(Preprocessor &PP, InMemoryModuleCache &ModuleCache, - StringRef OutputFile); + CXX20ModulesGenerator(Preprocessor &PP, InMemoryModuleCache &ModuleCache, + StringRef OutputFile) + : CXX20ModulesGenerator(PP, ModuleCache, OutputFile, + /*GeneratingReducedBMI=*/false) {} void HandleTranslationUnit(ASTContext &Ctx) override; }; +class ReducedBMIGenerator : public CXX20ModulesGenerator { + void anchor() override; + +public: + ReducedBMIGenerator(Preprocessor &PP, InMemoryModuleCache &ModuleCache, + StringRef OutputFile) + : CXX20ModulesGenerator(PP, ModuleCache, OutputFile, + /*GeneratingReducedBMI=*/true) {} +}; + /// If we can elide the definition of \param D in reduced BMI. /// /// Generally, we can elide the definition of a declaration if it won't affect diff --git a/clang/include/clang/Serialization/ModuleFile.h b/clang/include/clang/Serialization/ModuleFile.h index bc0aa89966c2b4f78a24cebded1d311e2efc3eb5..25f644e76edb1a4ce15551aa81293e7a49df8821 100644 --- a/clang/include/clang/Serialization/ModuleFile.h +++ b/clang/include/clang/Serialization/ModuleFile.h @@ -462,7 +462,7 @@ public: serialization::DeclID BaseDeclID = 0; /// Remapping table for declaration IDs in this module. - ContinuousRangeMap DeclRemap; + ContinuousRangeMap DeclRemap; /// Mapping from the module files that this module file depends on /// to the base declaration ID for that module as it is understood within this @@ -474,7 +474,7 @@ public: llvm::DenseMap GlobalToLocalDeclIDs; /// Array of file-level DeclIDs sorted by file. - const serialization::DeclID *FileSortedDecls = nullptr; + const LocalDeclID *FileSortedDecls = nullptr; unsigned NumFileSortedDecls = 0; /// Array of category list location information within this diff --git a/clang/include/clang/StaticAnalyzer/Checkers/Checkers.td b/clang/include/clang/StaticAnalyzer/Checkers/Checkers.td index 9aa1c6ddfe4492c38f1a07851be9c15587479ccf..520286b57c9fdcbf8e5061e54bc67d0134f201c9 100644 --- a/clang/include/clang/StaticAnalyzer/Checkers/Checkers.td +++ b/clang/include/clang/StaticAnalyzer/Checkers/Checkers.td @@ -563,6 +563,20 @@ def MismatchedDeallocatorChecker : Checker<"MismatchedDeallocator">, Dependencies<[DynamicMemoryModeling]>, Documentation; +// This must appear before StdCLibraryFunctionsChecker because a dependency. +def StreamChecker : Checker<"Stream">, + HelpText<"Check stream handling functions">, + WeakDependencies<[NonNullParamChecker]>, + CheckerOptions<[ + CmdLineOption + ]>, + Documentation; + def StdCLibraryFunctionsChecker : Checker<"StdCLibraryFunctions">, HelpText<"Check for invalid arguments of C standard library functions, " "and apply relations between arguments and return value">, @@ -581,7 +595,7 @@ def StdCLibraryFunctionsChecker : Checker<"StdCLibraryFunctions">, "true", InAlpha> ]>, - WeakDependencies<[CallAndMessageChecker, NonNullParamChecker]>, + WeakDependencies<[CallAndMessageChecker, NonNullParamChecker, StreamChecker]>, Documentation; def VforkChecker : Checker<"Vfork">, @@ -601,20 +615,6 @@ def PthreadLockChecker : Checker<"PthreadLock">, Dependencies<[PthreadLockBase]>, Documentation; -def StreamChecker : Checker<"Stream">, - HelpText<"Check stream handling functions">, - WeakDependencies<[NonNullParamChecker]>, - CheckerOptions<[ - CmdLineOption - ]>, - Documentation; - def SimpleStreamChecker : Checker<"SimpleStream">, HelpText<"Check for misuses of stream APIs">, Documentation; @@ -1628,6 +1628,7 @@ def TaintTesterChecker : Checker<"TaintTest">, def StreamTesterChecker : Checker<"StreamTester">, HelpText<"Add test functions to StreamChecker for test and debugging " "purposes.">, + WeakDependencies<[StreamChecker]>, Documentation; def ErrnoTesterChecker : Checker<"ErrnoTest">, diff --git a/clang/include/clang/StaticAnalyzer/Core/PathSensitive/Store.h b/clang/include/clang/StaticAnalyzer/Core/PathSensitive/Store.h index fac0c04ae2caab5b1abae8d9cd6889dcbd343996..ef23b160a3c03291be9f5fcd7e97ecd0840dc368 100644 --- a/clang/include/clang/StaticAnalyzer/Core/PathSensitive/Store.h +++ b/clang/include/clang/StaticAnalyzer/Core/PathSensitive/Store.h @@ -225,15 +225,11 @@ public: /// invalidated. This should include any regions explicitly invalidated /// even if they do not currently have bindings. Pass \c NULL if this /// information will not be used. - virtual StoreRef invalidateRegions(Store store, - ArrayRef Values, - const Expr *E, unsigned Count, - const LocationContext *LCtx, - const CallEvent *Call, - InvalidatedSymbols &IS, - RegionAndSymbolInvalidationTraits &ITraits, - InvalidatedRegions *InvalidatedTopLevel, - InvalidatedRegions *Invalidated) = 0; + virtual StoreRef invalidateRegions( + Store store, ArrayRef Values, const Expr *Ex, unsigned Count, + const LocationContext *LCtx, const CallEvent *Call, + InvalidatedSymbols &IS, RegionAndSymbolInvalidationTraits &ITraits, + InvalidatedRegions *TopLevelRegions, InvalidatedRegions *Invalidated) = 0; /// enterStackFrame - Let the StoreManager to do something when execution /// engine is about to execute into a callee. diff --git a/clang/include/clang/Support/RISCVVIntrinsicUtils.h b/clang/include/clang/Support/RISCVVIntrinsicUtils.h index ef9d6c15724b68856f8ed99e7be0e4af4338da43..97493bae5656e90695f42a513ef27820d06e0453 100644 --- a/clang/include/clang/Support/RISCVVIntrinsicUtils.h +++ b/clang/include/clang/Support/RISCVVIntrinsicUtils.h @@ -502,7 +502,8 @@ enum RVVRequire : uint32_t { RVV_REQ_Zvksed = 1 << 14, RVV_REQ_Zvksh = 1 << 15, RVV_REQ_Zvfbfwma = 1 << 16, - RVV_REQ_Experimental = 1 << 17, + RVV_REQ_Zvfbfmin = 1 << 17, + RVV_REQ_Experimental = 1 << 18, LLVM_MARK_AS_BITMASK_ENUM(RVV_REQ_Experimental) }; diff --git a/clang/include/clang/Tooling/CommonOptionsParser.h b/clang/include/clang/Tooling/CommonOptionsParser.h index 3c0480af3779437c51b6b99dd55e52ea96171f1c..5e2cdc6ac458940d509fb78142b5557d19b4949d 100644 --- a/clang/include/clang/Tooling/CommonOptionsParser.h +++ b/clang/include/clang/Tooling/CommonOptionsParser.h @@ -49,17 +49,22 @@ namespace tooling { /// using namespace clang::tooling; /// using namespace llvm; /// -/// static cl::OptionCategory MyToolCategory("My tool options"); +/// static cl::OptionCategory MyToolCategory("my-tool options"); /// static cl::extrahelp CommonHelp(CommonOptionsParser::HelpMessage); /// static cl::extrahelp MoreHelp("\nMore help text...\n"); -/// static cl::opt YourOwnOption(...); -/// ... /// /// int main(int argc, const char **argv) { -/// CommonOptionsParser OptionsParser(argc, argv, MyToolCategory); +/// auto ExpectedParser = +/// CommonOptionsParser::create(argc, argv, MyToolCategory); +/// if (!ExpectedParser) { +/// llvm::errs() << ExpectedParser.takeError(); +/// return 1; +/// } +/// CommonOptionsParser& OptionsParser = ExpectedParser.get(); /// ClangTool Tool(OptionsParser.getCompilations(), /// OptionsParser.getSourcePathList()); -/// return Tool.run(newFrontendActionFactory().get()); +/// return Tool.run( +/// newFrontendActionFactory().get()); /// } /// \endcode class CommonOptionsParser { diff --git a/clang/lib/APINotes/APINotesFormat.h b/clang/lib/APINotes/APINotesFormat.h index 615314c46f09cac62bffcac147c040a670c8417c..97e630e97fdcc2587f373f9c57cb2dee68f70451 100644 --- a/clang/lib/APINotes/APINotesFormat.h +++ b/clang/lib/APINotes/APINotesFormat.h @@ -24,7 +24,10 @@ const uint16_t VERSION_MAJOR = 0; /// API notes file minor version number. /// /// When the format changes IN ANY WAY, this number should be incremented. -const uint16_t VERSION_MINOR = 25; // SwiftImportAs +const uint16_t VERSION_MINOR = 26; // SwiftCopyable + +const uint8_t kSwiftCopyable = 1; +const uint8_t kSwiftNonCopyable = 2; using IdentifierID = llvm::PointerEmbeddedInt; using IdentifierIDField = llvm::BCVBR<16>; diff --git a/clang/lib/APINotes/APINotesReader.cpp b/clang/lib/APINotes/APINotesReader.cpp index dfc3beb6fa13ee6ca2723f7163fbe2ee1c272614..b60ca685f62c98dc9010c4fddf92c08a70888500 100644 --- a/clang/lib/APINotes/APINotesReader.cpp +++ b/clang/lib/APINotes/APINotesReader.cpp @@ -527,6 +527,13 @@ public: Info.EnumExtensibility = static_cast((Payload & 0x3) - 1); + uint8_t Copyable = + endian::readNext(Data); + if (Copyable == kSwiftNonCopyable) + Info.setSwiftCopyable(std::optional(false)); + else if (Copyable == kSwiftCopyable) + Info.setSwiftCopyable(std::optional(true)); + unsigned ImportAsLength = endian::readNext(Data); if (ImportAsLength > 0) { diff --git a/clang/lib/APINotes/APINotesWriter.cpp b/clang/lib/APINotes/APINotesWriter.cpp index e3f5d102fcd07fe5b398bfd95c0edc7df0cc5b2d..3e61597631509039874a821f594a0809e475218d 100644 --- a/clang/lib/APINotes/APINotesWriter.cpp +++ b/clang/lib/APINotes/APINotesWriter.cpp @@ -1128,7 +1128,7 @@ public: return 2 + (TI.SwiftImportAs ? TI.SwiftImportAs->size() : 0) + 2 + (TI.SwiftRetainOp ? TI.SwiftRetainOp->size() : 0) + 2 + (TI.SwiftReleaseOp ? TI.SwiftReleaseOp->size() : 0) + - 1 + getCommonTypeInfoSize(TI); + 2 + getCommonTypeInfoSize(TI); } void emitUnversionedInfo(raw_ostream &OS, const TagInfo &TI) { @@ -1146,6 +1146,11 @@ public: writer.write(Flags); + if (auto Copyable = TI.isSwiftCopyable()) + writer.write(*Copyable ? kSwiftCopyable : kSwiftNonCopyable); + else + writer.write(0); + if (auto ImportAs = TI.SwiftImportAs) { writer.write(ImportAs->size() + 1); OS.write(ImportAs->c_str(), ImportAs->size()); diff --git a/clang/lib/APINotes/APINotesYAMLCompiler.cpp b/clang/lib/APINotes/APINotesYAMLCompiler.cpp index 57d6da7a1775960beec3ea1af7e26c5b905602c4..2295d769d344b8da145e586e3fd799b30cb85b0f 100644 --- a/clang/lib/APINotes/APINotesYAMLCompiler.cpp +++ b/clang/lib/APINotes/APINotesYAMLCompiler.cpp @@ -419,6 +419,7 @@ struct Tag { std::optional EnumExtensibility; std::optional FlagEnum; std::optional EnumConvenienceKind; + std::optional SwiftCopyable; }; typedef std::vector TagsSeq; @@ -452,6 +453,7 @@ template <> struct MappingTraits { IO.mapOptional("EnumExtensibility", T.EnumExtensibility); IO.mapOptional("FlagEnum", T.FlagEnum); IO.mapOptional("EnumKind", T.EnumConvenienceKind); + IO.mapOptional("SwiftCopyable", T.SwiftCopyable); } }; } // namespace yaml @@ -1009,6 +1011,9 @@ public: if (Tag.SwiftReleaseOp) TI.SwiftReleaseOp = Tag.SwiftReleaseOp; + if (Tag.SwiftCopyable) + TI.setSwiftCopyable(Tag.SwiftCopyable); + if (Tag.EnumConvenienceKind) { if (Tag.EnumExtensibility) { emitError( diff --git a/clang/lib/AST/APValue.cpp b/clang/lib/AST/APValue.cpp index d8042321319a67b253b034d8a0d4572a97f14d2f..8c77b563657d9073aa6cde9035d47c52cd9c32f0 100644 --- a/clang/lib/AST/APValue.cpp +++ b/clang/lib/AST/APValue.cpp @@ -908,7 +908,8 @@ void APValue::printPretty(raw_ostream &Out, const PrintingPolicy &Policy, for (const auto *FI : RD->fields()) { if (!First) Out << ", "; - if (FI->isUnnamedBitfield()) continue; + if (FI->isUnnamedBitField()) + continue; getStructField(FI->getFieldIndex()). printPretty(Out, Policy, FI->getType(), Ctx); First = false; diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp index 6ce233704a5885ab27094b8db7614bd98ef95b9e..cbf4932aff9a6b9ad6f5b24e8d74d0aafa25f29f 100644 --- a/clang/lib/AST/ASTContext.cpp +++ b/clang/lib/AST/ASTContext.cpp @@ -1083,7 +1083,8 @@ void ASTContext::addModuleInitializer(Module *M, Decl *D) { Inits->Initializers.push_back(D); } -void ASTContext::addLazyModuleInitializers(Module *M, ArrayRef IDs) { +void ASTContext::addLazyModuleInitializers(Module *M, + ArrayRef IDs) { auto *&Inits = ModuleInitializers[M]; if (!Inits) Inits = new (*this) PerModuleInitializers; @@ -1320,16 +1321,14 @@ void ASTContext::InitBuiltinTypes(const TargetInfo &Target, // Placeholder type for OMP array sections. if (LangOpts.OpenMP) { - InitBuiltinType(OMPArraySectionTy, BuiltinType::OMPArraySection); + InitBuiltinType(ArraySectionTy, BuiltinType::ArraySection); InitBuiltinType(OMPArrayShapingTy, BuiltinType::OMPArrayShaping); InitBuiltinType(OMPIteratorTy, BuiltinType::OMPIterator); } - // Placeholder type for OpenACC array sections. - if (LangOpts.OpenACC) { - // FIXME: Once we implement OpenACC array sections in Sema, this will either - // be combined with the OpenMP type, or given its own type. In the meantime, - // just use the OpenMP type so that parsing can work. - InitBuiltinType(OMPArraySectionTy, BuiltinType::OMPArraySection); + // Placeholder type for OpenACC array sections, if we are ALSO in OMP mode, + // don't bother, as we're just using the same type as OMP. + if (LangOpts.OpenACC && !LangOpts.OpenMP) { + InitBuiltinType(ArraySectionTy, BuiltinType::ArraySection); } if (LangOpts.MatrixTypes) InitBuiltinType(IncompleteMatrixIdxTy, BuiltinType::IncompleteMatrixIdx); @@ -2684,7 +2683,7 @@ getSubobjectSizeInBits(const FieldDecl *Field, const ASTContext &Context, if (Field->isBitField()) { // If we have explicit padding bits, they don't contribute bits // to the actual object representation, so return 0. - if (Field->isUnnamedBitfield()) + if (Field->isUnnamedBitField()) return 0; int64_t BitfieldSize = Field->getBitWidthValue(Context); @@ -7241,6 +7240,14 @@ QualType ASTContext::isPromotableBitField(Expr *E) const { // We perform that promotion here to match GCC and C++. // FIXME: C does not permit promotion of an enum bit-field whose rank is // greater than that of 'int'. We perform that promotion to match GCC. + // + // C23 6.3.1.1p2: + // The value from a bit-field of a bit-precise integer type is converted to + // the corresponding bit-precise integer type. (The rest is the same as in + // C11.) + if (QualType QT = Field->getType(); QT->isBitIntType()) + return QT; + if (BitWidth < IntSize) return IntTy; @@ -12245,8 +12252,13 @@ QualType ASTContext::getRealTypeForBitwidth(unsigned DestWidth, } void ASTContext::setManglingNumber(const NamedDecl *ND, unsigned Number) { - if (Number > 1) - MangleNumbers[ND] = Number; + if (Number <= 1) + return; + + MangleNumbers[ND] = Number; + + if (Listener) + Listener->AddedManglingNumber(ND, Number); } unsigned ASTContext::getManglingNumber(const NamedDecl *ND, @@ -12265,8 +12277,13 @@ unsigned ASTContext::getManglingNumber(const NamedDecl *ND, } void ASTContext::setStaticLocalNumber(const VarDecl *VD, unsigned Number) { - if (Number > 1) - StaticLocalNumbers[VD] = Number; + if (Number <= 1) + return; + + StaticLocalNumbers[VD] = Number; + + if (Listener) + Listener->AddedStaticLocalNumbers(VD, Number); } unsigned ASTContext::getStaticLocalNumber(const VarDecl *VD) const { diff --git a/clang/lib/AST/ASTImporter.cpp b/clang/lib/AST/ASTImporter.cpp index 6aaa34c55ce3078510f4210edcc4fa11259c2739..60f213322b346bb8b06a7a569989731aeb8f7de0 100644 --- a/clang/lib/AST/ASTImporter.cpp +++ b/clang/lib/AST/ASTImporter.cpp @@ -695,7 +695,7 @@ namespace clang { // Returns true if the given function has a placeholder return type and // that type is declared inside the body of the function. // E.g. auto f() { struct X{}; return X(); } - bool hasAutoReturnTypeDeclaredInside(FunctionDecl *D); + bool hasReturnTypeDeclaredInside(FunctionDecl *D); }; template @@ -3647,15 +3647,28 @@ private: }; } // namespace -/// This function checks if the function has 'auto' return type that contains +/// This function checks if the given function has a return type that contains /// a reference (in any way) to a declaration inside the same function. -bool ASTNodeImporter::hasAutoReturnTypeDeclaredInside(FunctionDecl *D) { +bool ASTNodeImporter::hasReturnTypeDeclaredInside(FunctionDecl *D) { QualType FromTy = D->getType(); const auto *FromFPT = FromTy->getAs(); assert(FromFPT && "Must be called on FunctionProtoType"); + auto IsCXX11LambdaWithouTrailingReturn = [&]() { + if (Importer.FromContext.getLangOpts().CPlusPlus14) // C++14 or later + return false; + + if (FromFPT->hasTrailingReturn()) + return false; + + if (const auto *MD = dyn_cast(D)) + return cast(MD->getDeclContext())->isLambda(); + + return false; + }; + QualType RetT = FromFPT->getReturnType(); - if (isa(RetT.getTypePtr())) { + if (isa(RetT.getTypePtr()) || IsCXX11LambdaWithouTrailingReturn()) { FunctionDecl *Def = D->getDefinition(); IsTypeDeclaredInsideVisitor Visitor(Def ? Def : D); return Visitor.CheckType(RetT); @@ -3811,7 +3824,7 @@ ExpectedDecl ASTNodeImporter::VisitFunctionDecl(FunctionDecl *D) { // E.g.: auto foo() { struct X{}; return X(); } // To avoid an infinite recursion when importing, create the FunctionDecl // with a simplified return type. - if (hasAutoReturnTypeDeclaredInside(D)) { + if (hasReturnTypeDeclaredInside(D)) { FromReturnTy = Importer.getFromContext().VoidTy; UsedDifferentProtoType = true; } @@ -8561,8 +8574,8 @@ ASTNodeImporter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { return UnresolvedLookupExpr::Create( Importer.getToContext(), *ToNamingClassOrErr, *ToQualifierLocOrErr, - ToNameInfo, E->requiresADL(), E->isOverloaded(), ToDecls.begin(), - ToDecls.end()); + ToNameInfo, E->requiresADL(), ToDecls.begin(), ToDecls.end(), + /*KnownDependent=*/E->isTypeDependent()); } ExpectedStmt diff --git a/clang/lib/AST/ComputeDependence.cpp b/clang/lib/AST/ComputeDependence.cpp index 5ec3013fabba9ae4868d8faef7989a1ae0c648f0..bad8e75b2f878c25b47170ae6f31f3e11b8a098e 100644 --- a/clang/lib/AST/ComputeDependence.cpp +++ b/clang/lib/AST/ComputeDependence.cpp @@ -443,12 +443,17 @@ ExprDependence clang::computeDependence(ObjCIndirectCopyRestoreExpr *E) { return E->getSubExpr()->getDependence(); } -ExprDependence clang::computeDependence(OMPArraySectionExpr *E) { +ExprDependence clang::computeDependence(ArraySectionExpr *E) { auto D = E->getBase()->getDependence(); if (auto *LB = E->getLowerBound()) D |= LB->getDependence(); if (auto *Len = E->getLength()) D |= Len->getDependence(); + + if (E->isOMPArraySection()) { + if (auto *Stride = E->getStride()) + D |= Stride->getDependence(); + } return D; } diff --git a/clang/lib/AST/Decl.cpp b/clang/lib/AST/Decl.cpp index 33b6f8611f216245fd1128514eb173f7089a1301..e7e95c16b6978637f1dbdeb57191ea59366b396f 100644 --- a/clang/lib/AST/Decl.cpp +++ b/clang/lib/AST/Decl.cpp @@ -2151,7 +2151,7 @@ VarDecl *VarDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation StartL, return new (C, DC) VarDecl(Var, C, DC, StartL, IdL, Id, T, TInfo, S); } -VarDecl *VarDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +VarDecl *VarDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) VarDecl(Var, C, nullptr, SourceLocation(), SourceLocation(), nullptr, QualType(), nullptr, SC_None); @@ -2929,7 +2929,7 @@ QualType ParmVarDecl::getOriginalType() const { return T; } -ParmVarDecl *ParmVarDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +ParmVarDecl *ParmVarDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) ParmVarDecl(ParmVar, C, nullptr, SourceLocation(), SourceLocation(), nullptr, QualType(), nullptr, SC_None, nullptr); @@ -4553,7 +4553,7 @@ FieldDecl *FieldDecl::Create(const ASTContext &C, DeclContext *DC, BW, Mutable, InitStyle); } -FieldDecl *FieldDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +FieldDecl *FieldDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) FieldDecl(Field, nullptr, SourceLocation(), SourceLocation(), nullptr, QualType(), nullptr, nullptr, false, ICIS_NoInit); @@ -4597,7 +4597,7 @@ unsigned FieldDecl::getBitWidthValue(const ASTContext &Ctx) const { } bool FieldDecl::isZeroLengthBitField(const ASTContext &Ctx) const { - return isUnnamedBitfield() && !getBitWidth()->isValueDependent() && + return isUnnamedBitField() && !getBitWidth()->isValueDependent() && getBitWidthValue(Ctx) == 0; } @@ -4863,7 +4863,7 @@ EnumDecl *EnumDecl::Create(ASTContext &C, DeclContext *DC, return Enum; } -EnumDecl *EnumDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +EnumDecl *EnumDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { EnumDecl *Enum = new (C, ID) EnumDecl(C, nullptr, SourceLocation(), SourceLocation(), nullptr, nullptr, false, false, false); @@ -5025,7 +5025,8 @@ RecordDecl *RecordDecl::Create(const ASTContext &C, TagKind TK, DeclContext *DC, return R; } -RecordDecl *RecordDecl::CreateDeserialized(const ASTContext &C, unsigned ID) { +RecordDecl *RecordDecl::CreateDeserialized(const ASTContext &C, + GlobalDeclID ID) { RecordDecl *R = new (C, ID) RecordDecl(Record, TagTypeKind::Struct, C, nullptr, SourceLocation(), SourceLocation(), nullptr, nullptr); @@ -5274,6 +5275,13 @@ TranslationUnitDecl *TranslationUnitDecl::Create(ASTContext &C) { return new (C, (DeclContext *)nullptr) TranslationUnitDecl(C); } +void TranslationUnitDecl::setAnonymousNamespace(NamespaceDecl *D) { + AnonymousNamespace = D; + + if (ASTMutationListener *Listener = Ctx.getASTMutationListener()) + Listener->AddedAnonymousNamespace(this, D); +} + void PragmaCommentDecl::anchor() {} PragmaCommentDecl *PragmaCommentDecl::Create(const ASTContext &C, @@ -5290,7 +5298,7 @@ PragmaCommentDecl *PragmaCommentDecl::Create(const ASTContext &C, } PragmaCommentDecl *PragmaCommentDecl::CreateDeserialized(ASTContext &C, - unsigned ID, + GlobalDeclID ID, unsigned ArgSize) { return new (C, ID, additionalSizeToAlloc(ArgSize + 1)) PragmaCommentDecl(nullptr, SourceLocation(), PCK_Unknown); @@ -5315,7 +5323,7 @@ PragmaDetectMismatchDecl::Create(const ASTContext &C, TranslationUnitDecl *DC, } PragmaDetectMismatchDecl * -PragmaDetectMismatchDecl::CreateDeserialized(ASTContext &C, unsigned ID, +PragmaDetectMismatchDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NameValueSize) { return new (C, ID, additionalSizeToAlloc(NameValueSize + 1)) PragmaDetectMismatchDecl(nullptr, SourceLocation(), 0); @@ -5342,7 +5350,7 @@ LabelDecl *LabelDecl::Create(ASTContext &C, DeclContext *DC, return new (C, DC) LabelDecl(DC, IdentL, II, nullptr, GnuLabelL); } -LabelDecl *LabelDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +LabelDecl *LabelDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) LabelDecl(nullptr, SourceLocation(), nullptr, nullptr, SourceLocation()); } @@ -5383,7 +5391,7 @@ ImplicitParamDecl *ImplicitParamDecl::Create(ASTContext &C, QualType Type, } ImplicitParamDecl *ImplicitParamDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) ImplicitParamDecl(C, QualType(), ImplicitParamKind::Other); } @@ -5401,7 +5409,7 @@ FunctionDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, return New; } -FunctionDecl *FunctionDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +FunctionDecl *FunctionDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) FunctionDecl( Function, C, nullptr, SourceLocation(), DeclarationNameInfo(), QualType(), nullptr, SC_None, false, false, ConstexprSpecKind::Unspecified, nullptr); @@ -5411,7 +5419,7 @@ BlockDecl *BlockDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L) { return new (C, DC) BlockDecl(DC, L); } -BlockDecl *BlockDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +BlockDecl *BlockDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) BlockDecl(nullptr, SourceLocation()); } @@ -5425,7 +5433,7 @@ CapturedDecl *CapturedDecl::Create(ASTContext &C, DeclContext *DC, CapturedDecl(DC, NumParams); } -CapturedDecl *CapturedDecl::CreateDeserialized(ASTContext &C, unsigned ID, +CapturedDecl *CapturedDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NumParams) { return new (C, ID, additionalSizeToAlloc(NumParams)) CapturedDecl(nullptr, NumParams); @@ -5451,8 +5459,8 @@ EnumConstantDecl *EnumConstantDecl::Create(ASTContext &C, EnumDecl *CD, return new (C, CD) EnumConstantDecl(C, CD, L, Id, T, E, V); } -EnumConstantDecl * -EnumConstantDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +EnumConstantDecl *EnumConstantDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) EnumConstantDecl(C, nullptr, SourceLocation(), nullptr, QualType(), nullptr, llvm::APSInt()); } @@ -5479,7 +5487,7 @@ IndirectFieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, } IndirectFieldDecl *IndirectFieldDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) IndirectFieldDecl(C, nullptr, SourceLocation(), DeclarationName(), QualType(), std::nullopt); @@ -5540,7 +5548,7 @@ bool TypedefNameDecl::isTransparentTagSlow() const { return isTransparent; } -TypedefDecl *TypedefDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +TypedefDecl *TypedefDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) TypedefDecl(C, nullptr, SourceLocation(), SourceLocation(), nullptr, nullptr); } @@ -5553,7 +5561,8 @@ TypeAliasDecl *TypeAliasDecl::Create(ASTContext &C, DeclContext *DC, return new (C, DC) TypeAliasDecl(C, DC, StartLoc, IdLoc, Id, TInfo); } -TypeAliasDecl *TypeAliasDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +TypeAliasDecl *TypeAliasDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) TypeAliasDecl(C, nullptr, SourceLocation(), SourceLocation(), nullptr, nullptr); } @@ -5584,7 +5593,7 @@ FileScopeAsmDecl *FileScopeAsmDecl::Create(ASTContext &C, DeclContext *DC, } FileScopeAsmDecl *FileScopeAsmDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) FileScopeAsmDecl(nullptr, nullptr, SourceLocation(), SourceLocation()); } @@ -5602,7 +5611,7 @@ TopLevelStmtDecl *TopLevelStmtDecl::Create(ASTContext &C, Stmt *Statement) { } TopLevelStmtDecl *TopLevelStmtDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) TopLevelStmtDecl(/*DC=*/nullptr, SourceLocation(), /*S=*/nullptr); } @@ -5623,7 +5632,7 @@ EmptyDecl *EmptyDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L) { return new (C, DC) EmptyDecl(DC, L); } -EmptyDecl *EmptyDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +EmptyDecl *EmptyDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) EmptyDecl(nullptr, SourceLocation()); } @@ -5656,7 +5665,8 @@ HLSLBufferDecl *HLSLBufferDecl::Create(ASTContext &C, return Result; } -HLSLBufferDecl *HLSLBufferDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +HLSLBufferDecl *HLSLBufferDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) HLSLBufferDecl(nullptr, false, SourceLocation(), nullptr, SourceLocation(), SourceLocation()); } @@ -5712,7 +5722,7 @@ ImportDecl *ImportDecl::CreateImplicit(ASTContext &C, DeclContext *DC, return Import; } -ImportDecl *ImportDecl::CreateDeserialized(ASTContext &C, unsigned ID, +ImportDecl *ImportDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NumLocations) { return new (C, ID, additionalSizeToAlloc(NumLocations)) ImportDecl(EmptyShell()); @@ -5745,6 +5755,6 @@ ExportDecl *ExportDecl::Create(ASTContext &C, DeclContext *DC, return new (C, DC) ExportDecl(DC, ExportLoc); } -ExportDecl *ExportDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +ExportDecl *ExportDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) ExportDecl(nullptr, SourceLocation()); } diff --git a/clang/lib/AST/DeclBase.cpp b/clang/lib/AST/DeclBase.cpp index 434926324c96ca25dea83258a27924d3cd9a3da2..03e1055251c24f446d502b0bfb2f04d857bf92f0 100644 --- a/clang/lib/AST/DeclBase.cpp +++ b/clang/lib/AST/DeclBase.cpp @@ -71,7 +71,7 @@ void Decl::updateOutOfDate(IdentifierInfo &II) const { #include "clang/AST/DeclNodes.inc" void *Decl::operator new(std::size_t Size, const ASTContext &Context, - unsigned ID, std::size_t Extra) { + GlobalDeclID ID, std::size_t Extra) { // Allocate an extra 8 bytes worth of storage, which ensures that the // resulting pointer will still be 8-byte aligned. static_assert(sizeof(unsigned) * 2 >= alignof(Decl), @@ -85,7 +85,7 @@ void *Decl::operator new(std::size_t Size, const ASTContext &Context, PrefixPtr[0] = 0; // Store the global declaration ID in the second 4 bytes. - PrefixPtr[1] = ID; + PrefixPtr[1] = ID.get(); return Result; } @@ -1115,7 +1115,9 @@ int64_t Decl::getID() const { const FunctionType *Decl::getFunctionType(bool BlocksToo) const { QualType Ty; - if (const auto *D = dyn_cast(this)) + if (isa(this)) + return nullptr; + else if (const auto *D = dyn_cast(this)) Ty = D->getType(); else if (const auto *D = dyn_cast(this)) Ty = D->getUnderlyingType(); diff --git a/clang/lib/AST/DeclCXX.cpp b/clang/lib/AST/DeclCXX.cpp index 645ec2f7563bca86bee1613a2dbec89247eafc87..75c441293d62e2038743e7b2f218c70082a5b665 100644 --- a/clang/lib/AST/DeclCXX.cpp +++ b/clang/lib/AST/DeclCXX.cpp @@ -57,7 +57,8 @@ using namespace clang; void AccessSpecDecl::anchor() {} -AccessSpecDecl *AccessSpecDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +AccessSpecDecl *AccessSpecDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) AccessSpecDecl(EmptyShell()); } @@ -68,7 +69,7 @@ void LazyASTUnresolvedSet::getFromExternalSource(ASTContext &C) const { for (ASTUnresolvedSet::iterator I = Impl.begin(); I != Impl.end(); ++I) I.setDecl(cast(Source->GetExternalDecl( - reinterpret_cast(I.getDecl()) >> 2))); + GlobalDeclID(reinterpret_cast(I.getDecl()) >> 2)))); Impl.Decls.setLazy(false); } @@ -160,8 +161,8 @@ CXXRecordDecl::CreateLambda(const ASTContext &C, DeclContext *DC, return R; } -CXXRecordDecl * -CXXRecordDecl::CreateDeserialized(const ASTContext &C, unsigned ID) { +CXXRecordDecl *CXXRecordDecl::CreateDeserialized(const ASTContext &C, + GlobalDeclID ID) { auto *R = new (C, ID) CXXRecordDecl(CXXRecord, TagTypeKind::Struct, C, nullptr, SourceLocation(), SourceLocation(), nullptr, nullptr); @@ -668,7 +669,7 @@ bool CXXRecordDecl::hasSubobjectAtOffsetZeroOfEmptyBaseType( for (auto *FD : X->fields()) { // FIXME: Should we really care about the type of the first non-static // data member of a non-union if there are preceding unnamed bit-fields? - if (FD->isUnnamedBitfield()) + if (FD->isUnnamedBitField()) continue; if (!IsFirstField && !FD->isZeroSize(Ctx)) @@ -947,7 +948,7 @@ void CXXRecordDecl::addedMember(Decl *D) { // A declaration for a bit-field that omits the identifier declares an // unnamed bit-field. Unnamed bit-fields are not members and cannot be // initialized. - if (Field->isUnnamedBitfield()) { + if (Field->isUnnamedBitField()) { // C++ [meta.unary.prop]p4: [LWG2358] // T is a class type [...] with [...] no unnamed bit-fields of non-zero // length @@ -2162,8 +2163,8 @@ CXXDeductionGuideDecl *CXXDeductionGuideDecl::Create( TInfo, EndLocation, Ctor, Kind); } -CXXDeductionGuideDecl *CXXDeductionGuideDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { +CXXDeductionGuideDecl * +CXXDeductionGuideDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) CXXDeductionGuideDecl( C, nullptr, SourceLocation(), ExplicitSpecifier(), DeclarationNameInfo(), QualType(), nullptr, SourceLocation(), nullptr, @@ -2175,8 +2176,8 @@ RequiresExprBodyDecl *RequiresExprBodyDecl::Create( return new (C, DC) RequiresExprBodyDecl(C, DC, StartLoc); } -RequiresExprBodyDecl *RequiresExprBodyDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { +RequiresExprBodyDecl * +RequiresExprBodyDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) RequiresExprBodyDecl(C, nullptr, SourceLocation()); } @@ -2281,7 +2282,8 @@ CXXMethodDecl::Create(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc, isInline, ConstexprKind, EndLocation, TrailingRequiresClause); } -CXXMethodDecl *CXXMethodDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +CXXMethodDecl *CXXMethodDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) CXXMethodDecl( CXXMethod, C, nullptr, SourceLocation(), DeclarationNameInfo(), QualType(), nullptr, SC_None, false, false, @@ -2699,7 +2701,7 @@ CXXConstructorDecl::CXXConstructorDecl( void CXXConstructorDecl::anchor() {} CXXConstructorDecl *CXXConstructorDecl::CreateDeserialized(ASTContext &C, - unsigned ID, + GlobalDeclID ID, uint64_t AllocKind) { bool hasTrailingExplicit = static_cast(AllocKind & TAKHasTailExplicit); bool isInheritingConstructor = @@ -2845,8 +2847,8 @@ bool CXXConstructorDecl::isSpecializationCopyingObject() const { void CXXDestructorDecl::anchor() {} -CXXDestructorDecl * -CXXDestructorDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +CXXDestructorDecl *CXXDestructorDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) CXXDestructorDecl( C, nullptr, SourceLocation(), DeclarationNameInfo(), QualType(), nullptr, false, false, false, ConstexprSpecKind::Unspecified, nullptr); @@ -2877,8 +2879,8 @@ void CXXDestructorDecl::setOperatorDelete(FunctionDecl *OD, Expr *ThisArg) { void CXXConversionDecl::anchor() {} -CXXConversionDecl * -CXXConversionDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +CXXConversionDecl *CXXConversionDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) CXXConversionDecl( C, nullptr, SourceLocation(), DeclarationNameInfo(), QualType(), nullptr, false, false, ExplicitSpecifier(), ConstexprSpecKind::Unspecified, @@ -2924,7 +2926,7 @@ LinkageSpecDecl *LinkageSpecDecl::Create(ASTContext &C, DeclContext *DC, } LinkageSpecDecl *LinkageSpecDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) LinkageSpecDecl(nullptr, SourceLocation(), SourceLocation(), LinkageSpecLanguageIDs::C, false); @@ -2946,7 +2948,7 @@ UsingDirectiveDecl *UsingDirectiveDecl::Create(ASTContext &C, DeclContext *DC, } UsingDirectiveDecl *UsingDirectiveDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) UsingDirectiveDecl(nullptr, SourceLocation(), SourceLocation(), NestedNameSpecifierLoc(), @@ -2985,7 +2987,8 @@ NamespaceDecl *NamespaceDecl::Create(ASTContext &C, DeclContext *DC, NamespaceDecl(C, DC, Inline, StartLoc, IdLoc, Id, PrevDecl, Nested); } -NamespaceDecl *NamespaceDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +NamespaceDecl *NamespaceDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) NamespaceDecl(C, nullptr, false, SourceLocation(), SourceLocation(), nullptr, nullptr, false); } @@ -3046,8 +3049,8 @@ NamespaceAliasDecl *NamespaceAliasDecl::Create(ASTContext &C, DeclContext *DC, QualifierLoc, IdentLoc, Namespace); } -NamespaceAliasDecl * -NamespaceAliasDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +NamespaceAliasDecl *NamespaceAliasDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) NamespaceAliasDecl(C, nullptr, SourceLocation(), SourceLocation(), nullptr, NestedNameSpecifierLoc(), @@ -3102,8 +3105,8 @@ UsingShadowDecl::UsingShadowDecl(Kind K, ASTContext &C, EmptyShell Empty) : NamedDecl(K, nullptr, SourceLocation(), DeclarationName()), redeclarable_base(C) {} -UsingShadowDecl * -UsingShadowDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +UsingShadowDecl *UsingShadowDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) UsingShadowDecl(UsingShadow, C, EmptyShell()); } @@ -3126,7 +3129,7 @@ ConstructorUsingShadowDecl::Create(ASTContext &C, DeclContext *DC, } ConstructorUsingShadowDecl * -ConstructorUsingShadowDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +ConstructorUsingShadowDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) ConstructorUsingShadowDecl(C, EmptyShell()); } @@ -3174,7 +3177,7 @@ UsingDecl *UsingDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation UL, return new (C, DC) UsingDecl(DC, UL, QualifierLoc, NameInfo, HasTypename); } -UsingDecl *UsingDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +UsingDecl *UsingDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) UsingDecl(nullptr, SourceLocation(), NestedNameSpecifierLoc(), DeclarationNameInfo(), false); @@ -3198,7 +3201,8 @@ UsingEnumDecl *UsingEnumDecl::Create(ASTContext &C, DeclContext *DC, UsingEnumDecl(DC, EnumType->getType()->getAsTagDecl()->getDeclName(), UL, EL, NL, EnumType); } -UsingEnumDecl *UsingEnumDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +UsingEnumDecl *UsingEnumDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) UsingEnumDecl(nullptr, DeclarationName(), SourceLocation(), SourceLocation(), SourceLocation(), nullptr); @@ -3217,7 +3221,7 @@ UsingPackDecl *UsingPackDecl::Create(ASTContext &C, DeclContext *DC, return new (C, DC, Extra) UsingPackDecl(DC, InstantiatedFrom, UsingDecls); } -UsingPackDecl *UsingPackDecl::CreateDeserialized(ASTContext &C, unsigned ID, +UsingPackDecl *UsingPackDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NumExpansions) { size_t Extra = additionalSizeToAlloc(NumExpansions); auto *Result = @@ -3243,7 +3247,7 @@ UnresolvedUsingValueDecl::Create(ASTContext &C, DeclContext *DC, } UnresolvedUsingValueDecl * -UnresolvedUsingValueDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +UnresolvedUsingValueDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) UnresolvedUsingValueDecl(nullptr, QualType(), SourceLocation(), NestedNameSpecifierLoc(), @@ -3273,7 +3277,8 @@ UnresolvedUsingTypenameDecl::Create(ASTContext &C, DeclContext *DC, } UnresolvedUsingTypenameDecl * -UnresolvedUsingTypenameDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +UnresolvedUsingTypenameDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) UnresolvedUsingTypenameDecl( nullptr, SourceLocation(), SourceLocation(), NestedNameSpecifierLoc(), SourceLocation(), nullptr, SourceLocation()); @@ -3286,7 +3291,8 @@ UnresolvedUsingIfExistsDecl::Create(ASTContext &Ctx, DeclContext *DC, } UnresolvedUsingIfExistsDecl * -UnresolvedUsingIfExistsDecl::CreateDeserialized(ASTContext &Ctx, unsigned ID) { +UnresolvedUsingIfExistsDecl::CreateDeserialized(ASTContext &Ctx, + GlobalDeclID ID) { return new (Ctx, ID) UnresolvedUsingIfExistsDecl(nullptr, SourceLocation(), DeclarationName()); } @@ -3310,7 +3316,7 @@ StaticAssertDecl *StaticAssertDecl::Create(ASTContext &C, DeclContext *DC, } StaticAssertDecl *StaticAssertDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) StaticAssertDecl(nullptr, SourceLocation(), nullptr, nullptr, SourceLocation(), false); } @@ -3332,7 +3338,7 @@ BindingDecl *BindingDecl::Create(ASTContext &C, DeclContext *DC, return new (C, DC) BindingDecl(DC, IdLoc, Id); } -BindingDecl *BindingDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +BindingDecl *BindingDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) BindingDecl(nullptr, SourceLocation(), nullptr); } @@ -3363,7 +3369,7 @@ DecompositionDecl *DecompositionDecl::Create(ASTContext &C, DeclContext *DC, } DecompositionDecl *DecompositionDecl::CreateDeserialized(ASTContext &C, - unsigned ID, + GlobalDeclID ID, unsigned NumBindings) { size_t Extra = additionalSizeToAlloc(NumBindings); auto *Result = new (C, ID, Extra) @@ -3402,7 +3408,7 @@ MSPropertyDecl *MSPropertyDecl::Create(ASTContext &C, DeclContext *DC, } MSPropertyDecl *MSPropertyDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) MSPropertyDecl(nullptr, SourceLocation(), DeclarationName(), QualType(), nullptr, SourceLocation(), nullptr, nullptr); @@ -3419,7 +3425,7 @@ MSGuidDecl *MSGuidDecl::Create(const ASTContext &C, QualType T, Parts P) { return new (C, DC) MSGuidDecl(DC, T, P); } -MSGuidDecl *MSGuidDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +MSGuidDecl *MSGuidDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) MSGuidDecl(nullptr, QualType(), Parts()); } @@ -3469,7 +3475,8 @@ static bool isValidStructGUID(ASTContext &Ctx, QualType T) { return false; auto MatcherIt = Fields.begin(); for (const FieldDecl *FD : RD->fields()) { - if (FD->isUnnamedBitfield()) continue; + if (FD->isUnnamedBitField()) + continue; if (FD->isBitField() || MatcherIt == Fields.end() || !(*MatcherIt)(FD->getType())) return false; @@ -3528,7 +3535,7 @@ UnnamedGlobalConstantDecl::Create(const ASTContext &C, QualType T, } UnnamedGlobalConstantDecl * -UnnamedGlobalConstantDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +UnnamedGlobalConstantDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) UnnamedGlobalConstantDecl(C, nullptr, QualType(), APValue()); } diff --git a/clang/lib/AST/DeclFriend.cpp b/clang/lib/AST/DeclFriend.cpp index 8ec1dea84df5f19ed29c4e1068de854c87a0a68d..04b9b93699f36cebc9bfe7d72198eac8d03e09b4 100644 --- a/clang/lib/AST/DeclFriend.cpp +++ b/clang/lib/AST/DeclFriend.cpp @@ -62,7 +62,7 @@ FriendDecl *FriendDecl::Create(ASTContext &C, DeclContext *DC, return FD; } -FriendDecl *FriendDecl::CreateDeserialized(ASTContext &C, unsigned ID, +FriendDecl *FriendDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned FriendTypeNumTPLists) { std::size_t Extra = additionalSizeToAlloc(FriendTypeNumTPLists); diff --git a/clang/lib/AST/DeclObjC.cpp b/clang/lib/AST/DeclObjC.cpp index 32c14938cd5888cd65a8dda612f5b996bf4a7f30..83062b0e68878d4e42d6b68d808e1e1eea852bc4 100644 --- a/clang/lib/AST/DeclObjC.cpp +++ b/clang/lib/AST/DeclObjC.cpp @@ -862,7 +862,8 @@ ObjCMethodDecl *ObjCMethodDecl::Create( isImplicitlyDeclared, isDefined, impControl, HasRelatedResultType); } -ObjCMethodDecl *ObjCMethodDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +ObjCMethodDecl *ObjCMethodDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) ObjCMethodDecl(SourceLocation(), SourceLocation(), Selector(), QualType(), nullptr, nullptr); } @@ -1486,7 +1487,7 @@ ObjCTypeParamDecl *ObjCTypeParamDecl::Create(ASTContext &ctx, DeclContext *dc, } ObjCTypeParamDecl *ObjCTypeParamDecl::CreateDeserialized(ASTContext &ctx, - unsigned ID) { + GlobalDeclID ID) { return new (ctx, ID) ObjCTypeParamDecl(ctx, nullptr, ObjCTypeParamVariance::Invariant, SourceLocation(), 0, SourceLocation(), @@ -1551,7 +1552,7 @@ ObjCInterfaceDecl *ObjCInterfaceDecl::Create( } ObjCInterfaceDecl *ObjCInterfaceDecl::CreateDeserialized(const ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { auto *Result = new (C, ID) ObjCInterfaceDecl(C, nullptr, SourceLocation(), nullptr, nullptr, SourceLocation(), nullptr, false); @@ -1865,7 +1866,7 @@ ObjCIvarDecl *ObjCIvarDecl::Create(ASTContext &C, ObjCContainerDecl *DC, synthesized); } -ObjCIvarDecl *ObjCIvarDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +ObjCIvarDecl *ObjCIvarDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) ObjCIvarDecl(nullptr, SourceLocation(), SourceLocation(), nullptr, QualType(), nullptr, ObjCIvarDecl::None, nullptr, false); @@ -1914,7 +1915,7 @@ ObjCAtDefsFieldDecl } ObjCAtDefsFieldDecl *ObjCAtDefsFieldDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) ObjCAtDefsFieldDecl(nullptr, SourceLocation(), SourceLocation(), nullptr, QualType(), nullptr); @@ -1949,7 +1950,7 @@ ObjCProtocolDecl *ObjCProtocolDecl::Create(ASTContext &C, DeclContext *DC, } ObjCProtocolDecl *ObjCProtocolDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { ObjCProtocolDecl *Result = new (C, ID) ObjCProtocolDecl(C, nullptr, nullptr, SourceLocation(), SourceLocation(), nullptr); @@ -2148,7 +2149,7 @@ ObjCCategoryDecl *ObjCCategoryDecl::Create( } ObjCCategoryDecl *ObjCCategoryDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) ObjCCategoryDecl(nullptr, SourceLocation(), SourceLocation(), SourceLocation(), nullptr, nullptr, nullptr); @@ -2188,8 +2189,8 @@ ObjCCategoryImplDecl *ObjCCategoryImplDecl::Create( atStartLoc, CategoryNameLoc); } -ObjCCategoryImplDecl *ObjCCategoryImplDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { +ObjCCategoryImplDecl * +ObjCCategoryImplDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) ObjCCategoryImplDecl(nullptr, nullptr, nullptr, SourceLocation(), SourceLocation(), SourceLocation()); @@ -2296,7 +2297,7 @@ ObjCImplementationDecl::Create(ASTContext &C, DeclContext *DC, } ObjCImplementationDecl * -ObjCImplementationDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +ObjCImplementationDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) ObjCImplementationDecl(nullptr, nullptr, nullptr, SourceLocation(), SourceLocation()); } @@ -2339,7 +2340,7 @@ ObjCCompatibleAliasDecl::Create(ASTContext &C, DeclContext *DC, } ObjCCompatibleAliasDecl * -ObjCCompatibleAliasDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +ObjCCompatibleAliasDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) ObjCCompatibleAliasDecl(nullptr, SourceLocation(), nullptr, nullptr); } @@ -2360,7 +2361,7 @@ ObjCPropertyDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, } ObjCPropertyDecl *ObjCPropertyDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) ObjCPropertyDecl(nullptr, SourceLocation(), nullptr, SourceLocation(), SourceLocation(), QualType(), nullptr, None); @@ -2392,8 +2393,8 @@ ObjCPropertyImplDecl *ObjCPropertyImplDecl::Create(ASTContext &C, ivarLoc); } -ObjCPropertyImplDecl *ObjCPropertyImplDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { +ObjCPropertyImplDecl * +ObjCPropertyImplDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) ObjCPropertyImplDecl(nullptr, SourceLocation(), SourceLocation(), nullptr, Dynamic, nullptr, SourceLocation()); diff --git a/clang/lib/AST/DeclOpenMP.cpp b/clang/lib/AST/DeclOpenMP.cpp index ac5780f82dbbb23b68257274af7328dff45b2229..81ca48e60942d5a69c7d5a3f873459dae4a79afe 100644 --- a/clang/lib/AST/DeclOpenMP.cpp +++ b/clang/lib/AST/DeclOpenMP.cpp @@ -36,7 +36,7 @@ OMPThreadPrivateDecl *OMPThreadPrivateDecl::Create(ASTContext &C, } OMPThreadPrivateDecl *OMPThreadPrivateDecl::CreateDeserialized(ASTContext &C, - unsigned ID, + GlobalDeclID ID, unsigned N) { return OMPDeclarativeDirective::createEmptyDirective( C, ID, 0, N); @@ -63,7 +63,8 @@ OMPAllocateDecl *OMPAllocateDecl::Create(ASTContext &C, DeclContext *DC, return D; } -OMPAllocateDecl *OMPAllocateDecl::CreateDeserialized(ASTContext &C, unsigned ID, +OMPAllocateDecl *OMPAllocateDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID, unsigned NVars, unsigned NClauses) { return OMPDeclarativeDirective::createEmptyDirective( @@ -89,7 +90,8 @@ OMPRequiresDecl *OMPRequiresDecl::Create(ASTContext &C, DeclContext *DC, L); } -OMPRequiresDecl *OMPRequiresDecl::CreateDeserialized(ASTContext &C, unsigned ID, +OMPRequiresDecl *OMPRequiresDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID, unsigned N) { return OMPDeclarativeDirective::createEmptyDirective( C, ID, N, 0, SourceLocation()); @@ -117,7 +119,7 @@ OMPDeclareReductionDecl *OMPDeclareReductionDecl::Create( } OMPDeclareReductionDecl * -OMPDeclareReductionDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +OMPDeclareReductionDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) OMPDeclareReductionDecl( OMPDeclareReduction, /*DC=*/nullptr, SourceLocation(), DeclarationName(), QualType(), /*PrevDeclInScope=*/nullptr); @@ -148,7 +150,7 @@ OMPDeclareMapperDecl *OMPDeclareMapperDecl::Create( } OMPDeclareMapperDecl *OMPDeclareMapperDecl::CreateDeserialized(ASTContext &C, - unsigned ID, + GlobalDeclID ID, unsigned N) { return OMPDeclarativeDirective::createEmptyDirective( C, ID, N, 1, SourceLocation(), DeclarationName(), QualType(), @@ -179,7 +181,7 @@ OMPCapturedExprDecl *OMPCapturedExprDecl::Create(ASTContext &C, DeclContext *DC, } OMPCapturedExprDecl *OMPCapturedExprDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) OMPCapturedExprDecl(C, nullptr, nullptr, QualType(), /*TInfo=*/nullptr, SourceLocation()); } diff --git a/clang/lib/AST/DeclPrinter.cpp b/clang/lib/AST/DeclPrinter.cpp index 93857adb990bf209d3ccbff6e0016f2fbe0de4f8..599d379340abadf5ca921ab823f7218c0f07e223 100644 --- a/clang/lib/AST/DeclPrinter.cpp +++ b/clang/lib/AST/DeclPrinter.cpp @@ -119,7 +119,7 @@ namespace { void printTemplateArguments(llvm::ArrayRef Args, const TemplateParameterList *Params); enum class AttrPosAsWritten { Default = 0, Left, Right }; - void + bool prettyPrintAttributes(const Decl *D, AttrPosAsWritten Pos = AttrPosAsWritten::Default); void prettyPrintPragmas(Decl *D); @@ -252,16 +252,19 @@ static DeclPrinter::AttrPosAsWritten getPosAsWritten(const Attr *A, return DeclPrinter::AttrPosAsWritten::Right; } -void DeclPrinter::prettyPrintAttributes(const Decl *D, +// returns true if an attribute was printed. +bool DeclPrinter::prettyPrintAttributes(const Decl *D, AttrPosAsWritten Pos /*=Default*/) { - if (Policy.PolishForDeclaration) - return; + bool hasPrinted = false; if (D->hasAttrs()) { const AttrVec &Attrs = D->getAttrs(); for (auto *A : Attrs) { if (A->isInherited() || A->isImplicit()) continue; + // Print out the keyword attributes, they aren't regular attributes. + if (Policy.PolishForDeclaration && !A->isKeywordAttribute()) + continue; switch (A->getKind()) { #define ATTR(X) #define PRAGMA_SPELLING_ATTR(X) case attr::X: @@ -275,6 +278,7 @@ void DeclPrinter::prettyPrintAttributes(const Decl *D, if (Pos != AttrPosAsWritten::Left) Out << ' '; A->printPretty(Out, Policy); + hasPrinted = true; if (Pos == AttrPosAsWritten::Left) Out << ' '; } @@ -282,6 +286,7 @@ void DeclPrinter::prettyPrintAttributes(const Decl *D, } } } + return hasPrinted; } void DeclPrinter::prettyPrintPragmas(Decl *D) { @@ -1065,12 +1070,15 @@ void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) { // FIXME: add printing of pragma attributes if required. if (!Policy.SuppressSpecifiers && D->isModulePrivate()) Out << "__module_private__ "; - Out << D->getKindName(); - prettyPrintAttributes(D); + Out << D->getKindName() << ' '; - if (D->getIdentifier()) { + // FIXME: Move before printing the decl kind to match the behavior of the + // attribute printing for variables and function where they are printed first. + if (prettyPrintAttributes(D, AttrPosAsWritten::Left)) Out << ' '; + + if (D->getIdentifier()) { if (auto *NNS = D->getQualifier()) NNS->print(Out, Policy); Out << *D; @@ -1087,16 +1095,13 @@ void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) { } } - if (D->hasDefinition()) { - if (D->hasAttr()) { - Out << " final"; - } - } + prettyPrintAttributes(D, AttrPosAsWritten::Right); if (D->isCompleteDefinition()) { + Out << ' '; // Print the base classes if (D->getNumBases()) { - Out << " : "; + Out << ": "; for (CXXRecordDecl::base_class_iterator Base = D->bases_begin(), BaseEnd = D->bases_end(); Base != BaseEnd; ++Base) { if (Base != D->bases_begin()) @@ -1115,14 +1120,15 @@ void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) { if (Base->isPackExpansion()) Out << "..."; } + Out << ' '; } // Print the class definition // FIXME: Doesn't print access specifiers, e.g., "public:" if (Policy.TerseOutput) { - Out << " {}"; + Out << "{}"; } else { - Out << " {\n"; + Out << "{\n"; VisitDeclContext(D); Indent() << "}"; } diff --git a/clang/lib/AST/DeclTemplate.cpp b/clang/lib/AST/DeclTemplate.cpp index 5aa2484197372bae11343ba22335c1734023ca1d..d27a30e0c5fce18b3c6d30e1fe10fd092e6cfed2 100644 --- a/clang/lib/AST/DeclTemplate.cpp +++ b/clang/lib/AST/DeclTemplate.cpp @@ -337,9 +337,10 @@ void RedeclarableTemplateDecl::loadLazySpecializationsImpl() const { CommonBase *CommonBasePtr = getMostRecentDecl()->getCommonPtr(); if (CommonBasePtr->LazySpecializations) { ASTContext &Context = getASTContext(); - uint32_t *Specs = CommonBasePtr->LazySpecializations; + GlobalDeclID *Specs = CommonBasePtr->LazySpecializations; CommonBasePtr->LazySpecializations = nullptr; - for (uint32_t I = 0, N = *Specs++; I != N; ++I) + unsigned SpecSize = (*Specs++).get(); + for (unsigned I = 0; I != SpecSize; ++I) (void)Context.getExternalSource()->GetExternalDecl(Specs[I]); } } @@ -417,8 +418,8 @@ FunctionTemplateDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, return TD; } -FunctionTemplateDecl *FunctionTemplateDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { +FunctionTemplateDecl * +FunctionTemplateDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) FunctionTemplateDecl(C, nullptr, SourceLocation(), DeclarationName(), nullptr, nullptr); } @@ -503,7 +504,7 @@ ClassTemplateDecl *ClassTemplateDecl::Create(ASTContext &C, DeclContext *DC, } ClassTemplateDecl *ClassTemplateDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) ClassTemplateDecl(C, nullptr, SourceLocation(), DeclarationName(), nullptr, nullptr); } @@ -652,14 +653,14 @@ TemplateTypeParmDecl *TemplateTypeParmDecl::Create( } TemplateTypeParmDecl * -TemplateTypeParmDecl::CreateDeserialized(const ASTContext &C, unsigned ID) { +TemplateTypeParmDecl::CreateDeserialized(const ASTContext &C, GlobalDeclID ID) { return new (C, ID) TemplateTypeParmDecl(nullptr, SourceLocation(), SourceLocation(), nullptr, false, false, std::nullopt); } TemplateTypeParmDecl * -TemplateTypeParmDecl::CreateDeserialized(const ASTContext &C, unsigned ID, +TemplateTypeParmDecl::CreateDeserialized(const ASTContext &C, GlobalDeclID ID, bool HasTypeConstraint) { return new (C, ID, additionalSizeToAlloc(HasTypeConstraint ? 1 : 0)) @@ -759,7 +760,7 @@ NonTypeTemplateParmDecl *NonTypeTemplateParmDecl::Create( } NonTypeTemplateParmDecl * -NonTypeTemplateParmDecl::CreateDeserialized(ASTContext &C, unsigned ID, +NonTypeTemplateParmDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID, bool HasTypeConstraint) { return new (C, ID, additionalSizeToAlloc, @@ -770,7 +771,7 @@ NonTypeTemplateParmDecl::CreateDeserialized(ASTContext &C, unsigned ID, } NonTypeTemplateParmDecl * -NonTypeTemplateParmDecl::CreateDeserialized(ASTContext &C, unsigned ID, +NonTypeTemplateParmDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NumExpandedTypes, bool HasTypeConstraint) { auto *NTTP = @@ -836,13 +837,13 @@ TemplateTemplateParmDecl::Create(const ASTContext &C, DeclContext *DC, } TemplateTemplateParmDecl * -TemplateTemplateParmDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +TemplateTemplateParmDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) TemplateTemplateParmDecl(nullptr, SourceLocation(), 0, 0, false, nullptr, false, nullptr); } TemplateTemplateParmDecl * -TemplateTemplateParmDecl::CreateDeserialized(ASTContext &C, unsigned ID, +TemplateTemplateParmDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID, unsigned NumExpansions) { auto *TTP = new (C, ID, additionalSizeToAlloc(NumExpansions)) @@ -949,7 +950,7 @@ ClassTemplateSpecializationDecl::Create(ASTContext &Context, TagKind TK, ClassTemplateSpecializationDecl * ClassTemplateSpecializationDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { auto *Result = new (C, ID) ClassTemplateSpecializationDecl(C, ClassTemplateSpecialization); Result->setMayHaveOutOfDateDef(false); @@ -1035,8 +1036,7 @@ ConceptDecl *ConceptDecl::Create(ASTContext &C, DeclContext *DC, return TD; } -ConceptDecl *ConceptDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { +ConceptDecl *ConceptDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { ConceptDecl *Result = new (C, ID) ConceptDecl(nullptr, SourceLocation(), DeclarationName(), nullptr, nullptr); @@ -1070,7 +1070,7 @@ ImplicitConceptSpecializationDecl *ImplicitConceptSpecializationDecl::Create( ImplicitConceptSpecializationDecl * ImplicitConceptSpecializationDecl::CreateDeserialized( - const ASTContext &C, unsigned ID, unsigned NumTemplateArgs) { + const ASTContext &C, GlobalDeclID ID, unsigned NumTemplateArgs) { return new (C, ID, additionalSizeToAlloc(NumTemplateArgs)) ImplicitConceptSpecializationDecl(EmptyShell{}, NumTemplateArgs); } @@ -1133,7 +1133,7 @@ Create(ASTContext &Context, TagKind TK,DeclContext *DC, ClassTemplatePartialSpecializationDecl * ClassTemplatePartialSpecializationDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { auto *Result = new (C, ID) ClassTemplatePartialSpecializationDecl(C); Result->setMayHaveOutOfDateDef(false); return Result; @@ -1160,7 +1160,7 @@ FriendTemplateDecl::Create(ASTContext &Context, DeclContext *DC, } FriendTemplateDecl *FriendTemplateDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) FriendTemplateDecl(EmptyShell()); } @@ -1179,8 +1179,8 @@ TypeAliasTemplateDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, return TD; } -TypeAliasTemplateDecl *TypeAliasTemplateDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { +TypeAliasTemplateDecl * +TypeAliasTemplateDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { return new (C, ID) TypeAliasTemplateDecl(C, nullptr, SourceLocation(), DeclarationName(), nullptr, nullptr); } @@ -1218,7 +1218,7 @@ VarTemplateDecl *VarTemplateDecl::Create(ASTContext &C, DeclContext *DC, } VarTemplateDecl *VarTemplateDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) VarTemplateDecl(C, nullptr, SourceLocation(), DeclarationName(), nullptr, nullptr); } @@ -1340,7 +1340,8 @@ VarTemplateSpecializationDecl *VarTemplateSpecializationDecl::Create( } VarTemplateSpecializationDecl * -VarTemplateSpecializationDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +VarTemplateSpecializationDecl::CreateDeserialized(ASTContext &C, + GlobalDeclID ID) { return new (C, ID) VarTemplateSpecializationDecl(VarTemplateSpecialization, C); } @@ -1432,7 +1433,7 @@ VarTemplatePartialSpecializationDecl::Create( VarTemplatePartialSpecializationDecl * VarTemplatePartialSpecializationDecl::CreateDeserialized(ASTContext &C, - unsigned ID) { + GlobalDeclID ID) { return new (C, ID) VarTemplatePartialSpecializationDecl(C); } @@ -1546,7 +1547,7 @@ TemplateParamObjectDecl *TemplateParamObjectDecl::Create(const ASTContext &C, } TemplateParamObjectDecl * -TemplateParamObjectDecl::CreateDeserialized(ASTContext &C, unsigned ID) { +TemplateParamObjectDecl::CreateDeserialized(ASTContext &C, GlobalDeclID ID) { auto *TPOD = new (C, ID) TemplateParamObjectDecl(nullptr, QualType(), APValue()); C.addDestruction(&TPOD->Value); return TPOD; diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp index 07c9f287dd0767208d783ad14d88169f7ba1efa0..ac0b1b38f0162f40303fa574be856e8a04a914b5 100644 --- a/clang/lib/AST/Expr.cpp +++ b/clang/lib/AST/Expr.cpp @@ -103,7 +103,7 @@ const Expr *Expr::skipRValueSubobjectAdjustments( } } else if (const auto *ME = dyn_cast(E)) { if (!ME->isArrow()) { - assert(ME->getBase()->getType()->isRecordType()); + assert(ME->getBase()->getType()->getAsRecordDecl()); if (const auto *Field = dyn_cast(ME->getMemberDecl())) { if (!Field->isBitField() && !Field->getType()->isReferenceType()) { E = ME->getBase(); @@ -2044,7 +2044,7 @@ const FieldDecl *CastExpr::getTargetFieldForToUnionCast(const RecordDecl *RD, for (Field = RD->field_begin(), FieldEnd = RD->field_end(); Field != FieldEnd; ++Field) { if (Ctx.hasSameUnqualifiedType(Field->getType(), OpType) && - !Field->isUnnamedBitfield()) { + !Field->isUnnamedBitField()) { return *Field; } } @@ -3393,7 +3393,7 @@ bool Expr::isConstantInitializer(ASTContext &Ctx, bool IsForRef, continue; // Don't emit anonymous bitfields, they just affect layout. - if (Field->isUnnamedBitfield()) + if (Field->isUnnamedBitField()) continue; if (ElementNo < ILE->getNumInits()) { @@ -3680,7 +3680,7 @@ bool Expr::HasSideEffects(const ASTContext &Ctx, case ParenExprClass: case ArraySubscriptExprClass: case MatrixSubscriptExprClass: - case OMPArraySectionExprClass: + case ArraySectionExprClass: case OMPArrayShapingExprClass: case OMPIteratorExprClass: case MemberExprClass: @@ -3893,9 +3893,14 @@ namespace { } void VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *E) { - if (E->getTemporary()->getDestructor()->isTrivial()) { - Inherited::VisitStmt(E); - return; + // Destructor of the temporary might be null if destructor declaration + // is not valid. + if (const CXXDestructorDecl *DtorDecl = + E->getTemporary()->getDestructor()) { + if (DtorDecl->isTrivial()) { + Inherited::VisitStmt(E); + return; + } } NonTrivial = true; @@ -5060,9 +5065,9 @@ QualType AtomicExpr::getValueType() const { return T; } -QualType OMPArraySectionExpr::getBaseOriginalType(const Expr *Base) { +QualType ArraySectionExpr::getBaseOriginalType(const Expr *Base) { unsigned ArraySectionCount = 0; - while (auto *OASE = dyn_cast(Base->IgnoreParens())) { + while (auto *OASE = dyn_cast(Base->IgnoreParens())) { Base = OASE->getBase(); ++ArraySectionCount; } diff --git a/clang/lib/AST/ExprCXX.cpp b/clang/lib/AST/ExprCXX.cpp index a581963188433e014cb4a3d74f974cbc2274028c..7e9343271ac3cfd551026ab3c0d54d7bced980e4 100644 --- a/clang/lib/AST/ExprCXX.cpp +++ b/clang/lib/AST/ExprCXX.cpp @@ -353,7 +353,7 @@ SourceLocation CXXPseudoDestructorExpr::getEndLoc() const { UnresolvedLookupExpr::UnresolvedLookupExpr( const ASTContext &Context, CXXRecordDecl *NamingClass, NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc, - const DeclarationNameInfo &NameInfo, bool RequiresADL, bool Overloaded, + const DeclarationNameInfo &NameInfo, bool RequiresADL, const TemplateArgumentListInfo *TemplateArgs, UnresolvedSetIterator Begin, UnresolvedSetIterator End, bool KnownDependent) : OverloadExpr(UnresolvedLookupExprClass, Context, QualifierLoc, @@ -361,7 +361,6 @@ UnresolvedLookupExpr::UnresolvedLookupExpr( KnownDependent, false, false), NamingClass(NamingClass) { UnresolvedLookupExprBits.RequiresADL = RequiresADL; - UnresolvedLookupExprBits.Overloaded = Overloaded; } UnresolvedLookupExpr::UnresolvedLookupExpr(EmptyShell Empty, @@ -373,15 +372,16 @@ UnresolvedLookupExpr::UnresolvedLookupExpr(EmptyShell Empty, UnresolvedLookupExpr *UnresolvedLookupExpr::Create( const ASTContext &Context, CXXRecordDecl *NamingClass, NestedNameSpecifierLoc QualifierLoc, const DeclarationNameInfo &NameInfo, - bool RequiresADL, bool Overloaded, UnresolvedSetIterator Begin, - UnresolvedSetIterator End) { + bool RequiresADL, UnresolvedSetIterator Begin, UnresolvedSetIterator End, + bool KnownDependent) { unsigned NumResults = End - Begin; unsigned Size = totalSizeToAlloc(NumResults, 0, 0); void *Mem = Context.Allocate(Size, alignof(UnresolvedLookupExpr)); - return new (Mem) UnresolvedLookupExpr(Context, NamingClass, QualifierLoc, - SourceLocation(), NameInfo, RequiresADL, - Overloaded, nullptr, Begin, End, false); + return new (Mem) UnresolvedLookupExpr( + Context, NamingClass, QualifierLoc, + /*TemplateKWLoc=*/SourceLocation(), NameInfo, RequiresADL, + /*TemplateArgs=*/nullptr, Begin, End, KnownDependent); } UnresolvedLookupExpr *UnresolvedLookupExpr::Create( @@ -390,16 +390,16 @@ UnresolvedLookupExpr *UnresolvedLookupExpr::Create( const DeclarationNameInfo &NameInfo, bool RequiresADL, const TemplateArgumentListInfo *Args, UnresolvedSetIterator Begin, UnresolvedSetIterator End, bool KnownDependent) { - assert(Args || TemplateKWLoc.isValid()); unsigned NumResults = End - Begin; + bool HasTemplateKWAndArgsInfo = Args || TemplateKWLoc.isValid(); unsigned NumTemplateArgs = Args ? Args->size() : 0; - unsigned Size = - totalSizeToAlloc(NumResults, 1, NumTemplateArgs); + unsigned Size = totalSizeToAlloc( + NumResults, HasTemplateKWAndArgsInfo, NumTemplateArgs); void *Mem = Context.Allocate(Size, alignof(UnresolvedLookupExpr)); - return new (Mem) UnresolvedLookupExpr( - Context, NamingClass, QualifierLoc, TemplateKWLoc, NameInfo, RequiresADL, - /*Overloaded=*/true, Args, Begin, End, KnownDependent); + return new (Mem) UnresolvedLookupExpr(Context, NamingClass, QualifierLoc, + TemplateKWLoc, NameInfo, RequiresADL, + Args, Begin, End, KnownDependent); } UnresolvedLookupExpr *UnresolvedLookupExpr::CreateEmpty( diff --git a/clang/lib/AST/ExprClassification.cpp b/clang/lib/AST/ExprClassification.cpp index 7026fca8554ce9fa6b7f6cc6dd20f69e919fa153..390000e3ed383507c651a22aba7961b2d4633654 100644 --- a/clang/lib/AST/ExprClassification.cpp +++ b/clang/lib/AST/ExprClassification.cpp @@ -145,7 +145,7 @@ static Cl::Kinds ClassifyInternal(ASTContext &Ctx, const Expr *E) { case Expr::FunctionParmPackExprClass: case Expr::MSPropertyRefExprClass: case Expr::MSPropertySubscriptExprClass: - case Expr::OMPArraySectionExprClass: + case Expr::ArraySectionExprClass: case Expr::OMPArrayShapingExprClass: case Expr::OMPIteratorExprClass: return Cl::CL_LValue; @@ -216,8 +216,13 @@ static Cl::Kinds ClassifyInternal(ASTContext &Ctx, const Expr *E) { return ClassifyInternal(Ctx, cast(E)->getReplacement()); - case Expr::PackIndexingExprClass: + case Expr::PackIndexingExprClass: { + // A pack-index-expression always expands to an id-expression. + // Consider it as an LValue expression. + if (cast(E)->isInstantiationDependent()) + return Cl::CL_LValue; return ClassifyInternal(Ctx, cast(E)->getSelectedExpr()); + } // C, C++98 [expr.sub]p1: The result is an lvalue of type "T". // C++11 (DR1213): in the case of an array operand, the result is an lvalue diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp index 88c8eaf6ef9b6eb86b288828cd5066ae911cb365..f1aa19e4409e159c2a008901306876e615b2f6e3 100644 --- a/clang/lib/AST/ExprConstant.cpp +++ b/clang/lib/AST/ExprConstant.cpp @@ -2492,7 +2492,7 @@ static bool CheckEvaluationResult(CheckEvaluationResultKind CERK, } } for (const auto *I : RD->fields()) { - if (I->isUnnamedBitfield()) + if (I->isUnnamedBitField()) continue; if (!CheckEvaluationResult(CERK, Info, DiagLoc, I->getType(), @@ -2706,7 +2706,11 @@ static bool checkFloatingPointResult(EvalInfo &Info, const Expr *E, static bool HandleFloatToFloatCast(EvalInfo &Info, const Expr *E, QualType SrcType, QualType DestType, APFloat &Result) { - assert(isa(E) || isa(E)); + assert((isa(E) || isa(E) || + isa(E)) && + "HandleFloatToFloatCast has been checked with only CastExpr, " + "CompoundAssignOperator and ConvertVectorExpr. Please either validate " + "the new expression or address the root cause of this usage."); llvm::RoundingMode RM = getActiveRoundingMode(Info, E); APFloat::opStatus St; APFloat Value = Result; @@ -3529,7 +3533,7 @@ static bool isReadByLvalueToRvalueConversion(const CXXRecordDecl *RD) { return false; for (auto *Field : RD->fields()) - if (!Field->isUnnamedBitfield() && + if (!Field->isUnnamedBitField() && isReadByLvalueToRvalueConversion(Field->getType())) return true; @@ -4898,7 +4902,7 @@ static bool handleDefaultInitValue(QualType T, APValue &Result) { handleDefaultInitValue(I->getType(), Result.getStructBase(Index)); for (const auto *I : RD->fields()) { - if (I->isUnnamedBitfield()) + if (I->isUnnamedBitField()) continue; Success &= handleDefaultInitValue( I->getType(), Result.getStructField(I->getFieldIndex())); @@ -6436,7 +6440,7 @@ static bool HandleConstructorCall(const Expr *E, const LValue &This, // Default-initialize any fields with no explicit initializer. for (; !declaresSameEntity(*FieldIt, FD); ++FieldIt) { assert(FieldIt != RD->field_end() && "missing field?"); - if (!FieldIt->isUnnamedBitfield()) + if (!FieldIt->isUnnamedBitField()) Success &= handleDefaultInitValue( FieldIt->getType(), Result.getStructField(FieldIt->getFieldIndex())); @@ -6546,7 +6550,7 @@ static bool HandleConstructorCall(const Expr *E, const LValue &This, // Default-initialize any remaining fields. if (!RD->isUnion()) { for (; FieldIt != RD->field_end(); ++FieldIt) { - if (!FieldIt->isUnnamedBitfield()) + if (!FieldIt->isUnnamedBitField()) Success &= handleDefaultInitValue( FieldIt->getType(), Result.getStructField(FieldIt->getFieldIndex())); @@ -6708,7 +6712,7 @@ static bool HandleDestructionImpl(EvalInfo &Info, SourceRange CallRange, // fields first and then walk them backwards. SmallVector Fields(RD->fields()); for (const FieldDecl *FD : llvm::reverse(Fields)) { - if (FD->isUnnamedBitfield()) + if (FD->isUnnamedBitField()) continue; LValue Subobject = This; @@ -9237,9 +9241,10 @@ bool PointerExprEvaluator::VisitCastExpr(const CastExpr *E) { bool HasValidResult = !Result.InvalidBase && !Result.Designator.Invalid && !Result.IsNullPtr; bool VoidPtrCastMaybeOK = - HasValidResult && - Info.Ctx.hasSameUnqualifiedType(Result.Designator.getType(Info.Ctx), - E->getType()->getPointeeType()); + Result.IsNullPtr || + (HasValidResult && + Info.Ctx.hasSimilarType(Result.Designator.getType(Info.Ctx), + E->getType()->getPointeeType())); // 1. We'll allow it in std::allocator::allocate, and anything which that // calls. // 2. HACK 2022-03-28: Work around an issue with libstdc++'s @@ -10220,7 +10225,7 @@ static bool HandleClassZeroInitialization(EvalInfo &Info, const Expr *E, for (const auto *I : RD->fields()) { // -- if T is a reference type, no initialization is performed. - if (I->isUnnamedBitfield() || I->getType()->isReferenceType()) + if (I->isUnnamedBitField() || I->getType()->isReferenceType()) continue; LValue Subobject = This; @@ -10243,7 +10248,7 @@ bool RecordExprEvaluator::ZeroInitialization(const Expr *E, QualType T) { // C++11 [dcl.init]p5: If T is a (possibly cv-qualified) union type, the // object's first non-static named data member is zero-initialized RecordDecl::field_iterator I = RD->field_begin(); - while (I != RD->field_end() && (*I)->isUnnamedBitfield()) + while (I != RD->field_end() && (*I)->isUnnamedBitField()) ++I; if (I == RD->field_end()) { Result = APValue((const FieldDecl*)nullptr); @@ -10390,7 +10395,7 @@ bool RecordExprEvaluator::VisitCXXParenListOrInitListExpr( for (const auto *Field : RD->fields()) { // Anonymous bit-fields are not considered members of the class for // purposes of aggregate initialization. - if (Field->isUnnamedBitfield()) + if (Field->isUnnamedBitField()) continue; LValue Subobject = This; @@ -10709,8 +10714,11 @@ namespace { bool VisitUnaryImag(const UnaryOperator *E); bool VisitBinaryOperator(const BinaryOperator *E); bool VisitUnaryOperator(const UnaryOperator *E); + bool VisitConvertVectorExpr(const ConvertVectorExpr *E); + bool VisitShuffleVectorExpr(const ShuffleVectorExpr *E); + // FIXME: Missing: conditional operator (for GNU - // conditional select), shufflevector, ExtVectorElementExpr + // conditional select), ExtVectorElementExpr }; } // end anonymous namespace @@ -10961,6 +10969,122 @@ bool VectorExprEvaluator::VisitUnaryOperator(const UnaryOperator *E) { return Success(APValue(ResultElements.data(), ResultElements.size()), E); } +static bool handleVectorElementCast(EvalInfo &Info, const FPOptions FPO, + const Expr *E, QualType SourceTy, + QualType DestTy, APValue const &Original, + APValue &Result) { + if (SourceTy->isIntegerType()) { + if (DestTy->isRealFloatingType()) { + Result = APValue(APFloat(0.0)); + return HandleIntToFloatCast(Info, E, FPO, SourceTy, Original.getInt(), + DestTy, Result.getFloat()); + } + if (DestTy->isIntegerType()) { + Result = APValue( + HandleIntToIntCast(Info, E, DestTy, SourceTy, Original.getInt())); + return true; + } + } else if (SourceTy->isRealFloatingType()) { + if (DestTy->isRealFloatingType()) { + Result = Original; + return HandleFloatToFloatCast(Info, E, SourceTy, DestTy, + Result.getFloat()); + } + if (DestTy->isIntegerType()) { + Result = APValue(APSInt()); + return HandleFloatToIntCast(Info, E, SourceTy, Original.getFloat(), + DestTy, Result.getInt()); + } + } + + Info.FFDiag(E, diag::err_convertvector_constexpr_unsupported_vector_cast) + << SourceTy << DestTy; + return false; +} + +bool VectorExprEvaluator::VisitConvertVectorExpr(const ConvertVectorExpr *E) { + APValue Source; + QualType SourceVecType = E->getSrcExpr()->getType(); + if (!EvaluateAsRValue(Info, E->getSrcExpr(), Source)) + return false; + + QualType DestTy = E->getType()->castAs()->getElementType(); + QualType SourceTy = SourceVecType->castAs()->getElementType(); + + const FPOptions FPO = E->getFPFeaturesInEffect(Info.Ctx.getLangOpts()); + + auto SourceLen = Source.getVectorLength(); + SmallVector ResultElements; + ResultElements.reserve(SourceLen); + for (unsigned EltNum = 0; EltNum < SourceLen; ++EltNum) { + APValue Elt; + if (!handleVectorElementCast(Info, FPO, E, SourceTy, DestTy, + Source.getVectorElt(EltNum), Elt)) + return false; + ResultElements.push_back(std::move(Elt)); + } + + return Success(APValue(ResultElements.data(), ResultElements.size()), E); +} + +static bool handleVectorShuffle(EvalInfo &Info, const ShuffleVectorExpr *E, + QualType ElemType, APValue const &VecVal1, + APValue const &VecVal2, unsigned EltNum, + APValue &Result) { + unsigned const TotalElementsInInputVector1 = VecVal1.getVectorLength(); + unsigned const TotalElementsInInputVector2 = VecVal2.getVectorLength(); + + APSInt IndexVal = E->getShuffleMaskIdx(Info.Ctx, EltNum); + int64_t index = IndexVal.getExtValue(); + // The spec says that -1 should be treated as undef for optimizations, + // but in constexpr we'd have to produce an APValue::Indeterminate, + // which is prohibited from being a top-level constant value. Emit a + // diagnostic instead. + if (index == -1) { + Info.FFDiag( + E, diag::err_shufflevector_minus_one_is_undefined_behavior_constexpr) + << EltNum; + return false; + } + + if (index < 0 || + index >= TotalElementsInInputVector1 + TotalElementsInInputVector2) + llvm_unreachable("Out of bounds shuffle index"); + + if (index >= TotalElementsInInputVector1) + Result = VecVal2.getVectorElt(index - TotalElementsInInputVector1); + else + Result = VecVal1.getVectorElt(index); + return true; +} + +bool VectorExprEvaluator::VisitShuffleVectorExpr(const ShuffleVectorExpr *E) { + APValue VecVal1; + const Expr *Vec1 = E->getExpr(0); + if (!EvaluateAsRValue(Info, Vec1, VecVal1)) + return false; + APValue VecVal2; + const Expr *Vec2 = E->getExpr(1); + if (!EvaluateAsRValue(Info, Vec2, VecVal2)) + return false; + + VectorType const *DestVecTy = E->getType()->castAs(); + QualType DestElTy = DestVecTy->getElementType(); + + auto TotalElementsInOutputVector = DestVecTy->getNumElements(); + + SmallVector ResultElements; + ResultElements.reserve(TotalElementsInOutputVector); + for (unsigned EltNum = 0; EltNum < TotalElementsInOutputVector; ++EltNum) { + APValue Elt; + if (!handleVectorShuffle(Info, E, DestElTy, VecVal1, VecVal2, EltNum, Elt)) + return false; + ResultElements.push_back(std::move(Elt)); + } + + return Success(APValue(ResultElements.data(), ResultElements.size()), E); +} + //===----------------------------------------------------------------------===// // Array Evaluation //===----------------------------------------------------------------------===// @@ -16130,7 +16254,7 @@ static ICEDiag CheckICE(const Expr* E, const ASTContext &Ctx) { case Expr::StringLiteralClass: case Expr::ArraySubscriptExprClass: case Expr::MatrixSubscriptExprClass: - case Expr::OMPArraySectionExprClass: + case Expr::ArraySectionExprClass: case Expr::OMPArrayShapingExprClass: case Expr::OMPIteratorExprClass: case Expr::MemberExprClass: @@ -16853,13 +16977,13 @@ bool Expr::EvaluateCharRangeAsString(std::string &Result, if (!::EvaluateInteger(SizeExpression, SizeValue, Info)) return false; - int64_t Size = SizeValue.getExtValue(); + uint64_t Size = SizeValue.getZExtValue(); if (!::EvaluatePointer(PtrExpression, String, Info)) return false; QualType CharTy = PtrExpression->getType()->getPointeeType(); - for (int64_t I = 0; I < Size; ++I) { + for (uint64_t I = 0; I < Size; ++I) { APValue Char; if (!handleLValueToRValueConversion(Info, PtrExpression, CharTy, String, Char)) diff --git a/clang/lib/AST/ExternalASTSource.cpp b/clang/lib/AST/ExternalASTSource.cpp index 090ef02aa4224d65c5942579a1556a3957369bd4..e96a4749685115bd6d989d2ad07b159793ed5f62 100644 --- a/clang/lib/AST/ExternalASTSource.cpp +++ b/clang/lib/AST/ExternalASTSource.cpp @@ -68,9 +68,7 @@ bool ExternalASTSource::layoutRecordType( return false; } -Decl *ExternalASTSource::GetExternalDecl(uint32_t ID) { - return nullptr; -} +Decl *ExternalASTSource::GetExternalDecl(GlobalDeclID ID) { return nullptr; } Selector ExternalASTSource::GetExternalSelector(uint32_t ID) { return Selector(); diff --git a/clang/lib/AST/Interp/ByteCodeExprGen.cpp b/clang/lib/AST/Interp/ByteCodeExprGen.cpp index 6b4b51aac41e84dedc0ac8deb67c9ffa34565401..f1a51e81a92c2d2bf5dcb534f4d6f42af7fd9668 100644 --- a/clang/lib/AST/Interp/ByteCodeExprGen.cpp +++ b/clang/lib/AST/Interp/ByteCodeExprGen.cpp @@ -110,18 +110,37 @@ bool ByteCodeExprGen::VisitCastExpr(const CastExpr *CE) { if (!this->visit(SubExpr)) return false; - unsigned DerivedOffset = collectBaseOffset(getRecordTy(CE->getType()), - getRecordTy(SubExpr->getType())); + const auto extractRecordDecl = [](QualType Ty) -> const CXXRecordDecl * { + if (const auto *PT = dyn_cast(Ty)) + return PT->getPointeeType()->getAsCXXRecordDecl(); + return Ty->getAsCXXRecordDecl(); + }; + + // FIXME: We can express a series of non-virtual casts as a single + // GetPtrBasePop op. + QualType CurType = SubExpr->getType(); + for (const CXXBaseSpecifier *B : CE->path()) { + if (B->isVirtual()) { + if (!this->emitGetPtrVirtBasePop(extractRecordDecl(B->getType()), CE)) + return false; + CurType = B->getType(); + } else { + unsigned DerivedOffset = collectBaseOffset(B->getType(), CurType); + if (!this->emitGetPtrBasePop(DerivedOffset, CE)) + return false; + CurType = B->getType(); + } + } - return this->emitGetPtrBasePop(DerivedOffset, CE); + return true; } case CK_BaseToDerived: { if (!this->visit(SubExpr)) return false; - unsigned DerivedOffset = collectBaseOffset(getRecordTy(SubExpr->getType()), - getRecordTy(CE->getType())); + unsigned DerivedOffset = + collectBaseOffset(SubExpr->getType(), CE->getType()); return this->emitGetPtrDerivedPop(DerivedOffset, CE); } @@ -193,7 +212,20 @@ bool ByteCodeExprGen::VisitCastExpr(const CastExpr *CE) { if (!this->visit(SubExpr)) return false; + // If SubExpr doesn't result in a pointer, make it one. + if (PrimType FromT = classifyPrim(SubExpr->getType()); FromT != PT_Ptr) { + assert(isPtrType(FromT)); + if (!this->emitDecayPtr(FromT, PT_Ptr, CE)) + return false; + } + PrimType T = classifyPrim(CE->getType()); + if (T == PT_IntAP) + return this->emitCastPointerIntegralAP(Ctx.getBitWidth(CE->getType()), + CE); + if (T == PT_IntAPS) + return this->emitCastPointerIntegralAPS(Ctx.getBitWidth(CE->getType()), + CE); return this->emitCastPointerIntegral(T, CE); } @@ -899,8 +931,31 @@ bool ByteCodeExprGen::VisitImplicitValueInitExpr(const ImplicitValueIni if (std::optional T = classify(QT)) return this->visitZeroInitializer(*T, QT, E); - if (QT->isRecordType()) - return false; + if (QT->isRecordType()) { + const RecordDecl *RD = QT->getAsRecordDecl(); + assert(RD); + if (RD->isInvalidDecl()) + return false; + if (RD->isUnion()) { + // C++11 [dcl.init]p5: If T is a (possibly cv-qualified) union type, the + // object's first non-static named data member is zero-initialized + // FIXME + return false; + } + + if (const auto *CXXRD = dyn_cast(RD); + CXXRD && CXXRD->getNumVBases() > 0) { + // TODO: Diagnose. + return false; + } + + const Record *R = getRecord(QT); + if (!R) + return false; + + assert(Initializing); + return this->visitZeroRecordInitializer(R, E); + } if (QT->isIncompleteArrayType()) return true; @@ -922,9 +977,9 @@ bool ByteCodeExprGen::VisitImplicitValueInitExpr(const ImplicitValueIni return true; } - if (QT->isAnyComplexType()) { + if (const auto *ComplexTy = E->getType()->getAs()) { assert(Initializing); - QualType ElemQT = QT->getAs()->getElementType(); + QualType ElemQT = ComplexTy->getElementType(); PrimType ElemT = classifyPrim(ElemQT); for (unsigned I = 0; I < 2; ++I) { if (!this->visitZeroInitializer(ElemT, ElemQT, E)) @@ -935,6 +990,20 @@ bool ByteCodeExprGen::VisitImplicitValueInitExpr(const ImplicitValueIni return true; } + if (const auto *VecT = E->getType()->getAs()) { + unsigned NumVecElements = VecT->getNumElements(); + QualType ElemQT = VecT->getElementType(); + PrimType ElemT = classifyPrim(ElemQT); + + for (unsigned I = 0; I < NumVecElements; ++I) { + if (!this->visitZeroInitializer(ElemT, ElemQT, E)) + return false; + if (!this->emitInitElem(ElemT, I, E)) + return false; + } + return true; + } + return false; } @@ -961,117 +1030,98 @@ bool ByteCodeExprGen::VisitArraySubscriptExpr( template bool ByteCodeExprGen::visitInitList(ArrayRef Inits, + const Expr *ArrayFiller, const Expr *E) { - assert(E->getType()->isRecordType()); - const Record *R = getRecord(E->getType()); + if (E->getType()->isVoidType()) + return this->emitInvalid(E); - if (Inits.size() == 1 && E->getType() == Inits[0]->getType()) { - return this->visitInitializer(Inits[0]); + // Handle discarding first. + if (DiscardResult) { + for (const Expr *Init : Inits) { + if (!this->discard(Init)) + return false; + } + return true; } - unsigned InitIndex = 0; - for (const Expr *Init : Inits) { - if (!this->emitDupPtr(E)) - return false; + // Primitive values. + if (std::optional T = classify(E->getType())) { + assert(!DiscardResult); + if (Inits.size() == 0) + return this->visitZeroInitializer(*T, E->getType(), E); + assert(Inits.size() == 1); + return this->delegate(Inits[0]); + } - if (std::optional T = classify(Init)) { - const Record::Field *FieldToInit = R->getField(InitIndex); - if (!this->visit(Init)) - return false; + QualType T = E->getType(); + if (T->isRecordType()) { + const Record *R = getRecord(E->getType()); - if (FieldToInit->isBitField()) { - if (!this->emitInitBitField(*T, FieldToInit, E)) - return false; - } else { - if (!this->emitInitField(*T, FieldToInit->Offset, E)) - return false; - } + if (Inits.size() == 1 && E->getType() == Inits[0]->getType()) { + return this->visitInitializer(Inits[0]); + } - if (!this->emitPopPtr(E)) - return false; - ++InitIndex; - } else { - // Initializer for a direct base class. - if (const Record::Base *B = R->getBase(Init->getType())) { - if (!this->emitGetPtrBasePop(B->Offset, Init)) - return false; + unsigned InitIndex = 0; + for (const Expr *Init : Inits) { + // Skip unnamed bitfields. + while (InitIndex < R->getNumFields() && + R->getField(InitIndex)->Decl->isUnnamedBitField()) + ++InitIndex; - if (!this->visitInitializer(Init)) - return false; + if (!this->emitDupPtr(E)) + return false; - if (!this->emitFinishInitPop(E)) - return false; - // Base initializers don't increase InitIndex, since they don't count - // into the Record's fields. - } else { + if (std::optional T = classify(Init)) { const Record::Field *FieldToInit = R->getField(InitIndex); - // Non-primitive case. Get a pointer to the field-to-initialize - // on the stack and recurse into visitInitializer(). - if (!this->emitGetPtrField(FieldToInit->Offset, Init)) + if (!this->visit(Init)) return false; - if (!this->visitInitializer(Init)) - return false; + if (FieldToInit->isBitField()) { + if (!this->emitInitBitField(*T, FieldToInit, E)) + return false; + } else { + if (!this->emitInitField(*T, FieldToInit->Offset, E)) + return false; + } if (!this->emitPopPtr(E)) return false; ++InitIndex; - } - } - } - return true; -} + } else { + // Initializer for a direct base class. + if (const Record::Base *B = R->getBase(Init->getType())) { + if (!this->emitGetPtrBasePop(B->Offset, Init)) + return false; -/// Pointer to the array(not the element!) must be on the stack when calling -/// this. -template -bool ByteCodeExprGen::visitArrayElemInit(unsigned ElemIndex, - const Expr *Init) { - if (std::optional T = classify(Init->getType())) { - // Visit the primitive element like normal. - if (!this->visit(Init)) - return false; - return this->emitInitElem(*T, ElemIndex, Init); - } + if (!this->visitInitializer(Init)) + return false; - // Advance the pointer currently on the stack to the given - // dimension. - if (!this->emitConstUint32(ElemIndex, Init)) - return false; - if (!this->emitArrayElemPtrUint32(Init)) - return false; - if (!this->visitInitializer(Init)) - return false; - return this->emitFinishInitPop(Init); -} + if (!this->emitFinishInitPop(E)) + return false; + // Base initializers don't increase InitIndex, since they don't count + // into the Record's fields. + } else { + const Record::Field *FieldToInit = R->getField(InitIndex); + // Non-primitive case. Get a pointer to the field-to-initialize + // on the stack and recurse into visitInitializer(). + if (!this->emitGetPtrField(FieldToInit->Offset, Init)) + return false; -template -bool ByteCodeExprGen::VisitInitListExpr(const InitListExpr *E) { - // Handle discarding first. - if (DiscardResult) { - for (const Expr *Init : E->inits()) { - if (!this->discard(Init)) - return false; + if (!this->visitInitializer(Init)) + return false; + + if (!this->emitPopPtr(E)) + return false; + ++InitIndex; + } + } } return true; } - // Primitive values. - if (std::optional T = classify(E->getType())) { - assert(!DiscardResult); - if (E->getNumInits() == 0) - return this->visitZeroInitializer(*T, E->getType(), E); - assert(E->getNumInits() == 1); - return this->delegate(E->inits()[0]); - } - - QualType T = E->getType(); - if (T->isRecordType()) - return this->visitInitList(E->inits(), E); - if (T->isArrayType()) { unsigned ElementIndex = 0; - for (const Expr *Init : E->inits()) { + for (const Expr *Init : Inits) { if (!this->visitArrayElemInit(ElementIndex, Init)) return false; ++ElementIndex; @@ -1079,13 +1129,13 @@ bool ByteCodeExprGen::VisitInitListExpr(const InitListExpr *E) { // Expand the filler expression. // FIXME: This should go away. - if (const Expr *Filler = E->getArrayFiller()) { + if (ArrayFiller) { const ConstantArrayType *CAT = Ctx.getASTContext().getAsConstantArrayType(E->getType()); uint64_t NumElems = CAT->getZExtSize(); for (; ElementIndex != NumElems; ++ElementIndex) { - if (!this->visitArrayElemInit(ElementIndex, Filler)) + if (!this->visitArrayElemInit(ElementIndex, ArrayFiller)) return false; } } @@ -1093,13 +1143,13 @@ bool ByteCodeExprGen::VisitInitListExpr(const InitListExpr *E) { return true; } - if (T->isAnyComplexType()) { - unsigned NumInits = E->getNumInits(); + if (const auto *ComplexTy = E->getType()->getAs()) { + unsigned NumInits = Inits.size(); if (NumInits == 1) - return this->delegate(E->inits()[0]); + return this->delegate(Inits[0]); - QualType ElemQT = E->getType()->getAs()->getElementType(); + QualType ElemQT = ComplexTy->getElementType(); PrimType ElemT = classifyPrim(ElemQT); if (NumInits == 0) { // Zero-initialize both elements. @@ -1111,7 +1161,7 @@ bool ByteCodeExprGen::VisitInitListExpr(const InitListExpr *E) { } } else if (NumInits == 2) { unsigned InitIndex = 0; - for (const Expr *Init : E->inits()) { + for (const Expr *Init : Inits) { if (!this->visit(Init)) return false; @@ -1125,22 +1175,32 @@ bool ByteCodeExprGen::VisitInitListExpr(const InitListExpr *E) { if (const auto *VecT = E->getType()->getAs()) { unsigned NumVecElements = VecT->getNumElements(); - assert(NumVecElements >= E->getNumInits()); + assert(NumVecElements >= Inits.size()); QualType ElemQT = VecT->getElementType(); PrimType ElemT = classifyPrim(ElemQT); // All initializer elements. unsigned InitIndex = 0; - for (const Expr *Init : E->inits()) { + for (const Expr *Init : Inits) { if (!this->visit(Init)) return false; - if (!this->emitInitElem(ElemT, InitIndex, E)) - return false; - ++InitIndex; + // If the initializer is of vector type itself, we have to deconstruct + // that and initialize all the target fields from the initializer fields. + if (const auto *InitVecT = Init->getType()->getAs()) { + if (!this->emitCopyArray(ElemT, 0, InitIndex, InitVecT->getNumElements(), E)) + return false; + InitIndex += InitVecT->getNumElements(); + } else { + if (!this->emitInitElem(ElemT, InitIndex, E)) + return false; + ++InitIndex; + } } + assert(InitIndex <= NumVecElements); + // Fill the rest with zeroes. for (; InitIndex != NumVecElements; ++InitIndex) { if (!this->visitZeroInitializer(ElemT, ElemQT, E)) @@ -1154,19 +1214,38 @@ bool ByteCodeExprGen::VisitInitListExpr(const InitListExpr *E) { return false; } +/// Pointer to the array(not the element!) must be on the stack when calling +/// this. template -bool ByteCodeExprGen::VisitCXXParenListInitExpr( - const CXXParenListInitExpr *E) { - if (DiscardResult) { - for (const Expr *Init : E->getInitExprs()) { - if (!this->discard(Init)) - return false; - } - return true; +bool ByteCodeExprGen::visitArrayElemInit(unsigned ElemIndex, + const Expr *Init) { + if (std::optional T = classify(Init->getType())) { + // Visit the primitive element like normal. + if (!this->visit(Init)) + return false; + return this->emitInitElem(*T, ElemIndex, Init); } - assert(E->getType()->isRecordType()); - return this->visitInitList(E->getInitExprs(), E); + // Advance the pointer currently on the stack to the given + // dimension. + if (!this->emitConstUint32(ElemIndex, Init)) + return false; + if (!this->emitArrayElemPtrUint32(Init)) + return false; + if (!this->visitInitializer(Init)) + return false; + return this->emitFinishInitPop(Init); +} + +template +bool ByteCodeExprGen::VisitInitListExpr(const InitListExpr *E) { + return this->visitInitList(E->inits(), E->getArrayFiller(), E); +} + +template +bool ByteCodeExprGen::VisitCXXParenListInitExpr( + const CXXParenListInitExpr *E) { + return this->visitInitList(E->getInitExprs(), E->getArrayFiller(), E); } template @@ -1289,6 +1368,20 @@ bool ByteCodeExprGen::VisitUnaryExprOrTypeTraitExpr( assert(E->getTypeOfArgument()->isSizelessVectorType()); } + if (Kind == UETT_VecStep) { + if (const auto *VT = E->getTypeOfArgument()->getAs()) { + unsigned N = VT->getNumElements(); + + // The vec_step built-in functions that take a 3-component + // vector return 4. (OpenCL 1.1 spec 6.11.12) + if (N == 3) + N = 4; + + return this->emitConst(N, E); + } + return this->emitConst(1, E); + } + return false; } @@ -1332,6 +1425,8 @@ bool ByteCodeExprGen::VisitMemberExpr(const MemberExpr *E) { if (const auto *FD = dyn_cast(Member)) { const RecordDecl *RD = FD->getParent(); const Record *R = getRecord(RD); + if (!R) + return false; const Record::Field *F = R->getField(FD); // Leave a pointer to the field on the stack. if (F->Decl->getType()->isReferenceType()) @@ -1838,7 +1933,7 @@ bool ByteCodeExprGen::VisitCompoundLiteralExpr( const Expr *Init = E->getInitializer(); if (Initializing) { // We already have a value, just initialize that. - return this->visitInitializer(Init); + return this->visitInitializer(Init) && this->emitFinishInit(E); } std::optional T = classify(E->getType()); @@ -1857,7 +1952,7 @@ bool ByteCodeExprGen::VisitCompoundLiteralExpr( return this->emitInitGlobal(*T, *GlobalIndex, E); } - return this->visitInitializer(Init); + return this->visitInitializer(Init) && this->emitFinishInit(E); } return false; @@ -1886,7 +1981,7 @@ bool ByteCodeExprGen::VisitCompoundLiteralExpr( } return this->emitInit(*T, E); } else { - if (!this->visitInitializer(Init)) + if (!this->visitInitializer(Init) || !this->emitFinishInit(E)) return false; } @@ -2197,26 +2292,54 @@ bool ByteCodeExprGen::VisitCXXScalarValueInitExpr( if (std::optional T = classify(Ty)) return this->visitZeroInitializer(*T, Ty, E); - assert(Ty->isAnyComplexType()); - if (!Initializing) { - std::optional LocalIndex = allocateLocal(E, /*IsExtended=*/false); - if (!LocalIndex) - return false; - if (!this->emitGetPtrLocal(*LocalIndex, E)) - return false; + if (const auto *CT = Ty->getAs()) { + if (!Initializing) { + std::optional LocalIndex = + allocateLocal(E, /*IsExtended=*/false); + if (!LocalIndex) + return false; + if (!this->emitGetPtrLocal(*LocalIndex, E)) + return false; + } + + // Initialize both fields to 0. + QualType ElemQT = CT->getElementType(); + PrimType ElemT = classifyPrim(ElemQT); + + for (unsigned I = 0; I != 2; ++I) { + if (!this->visitZeroInitializer(ElemT, ElemQT, E)) + return false; + if (!this->emitInitElem(ElemT, I, E)) + return false; + } + return true; } - // Initialize both fields to 0. - QualType ElemQT = Ty->getAs()->getElementType(); - PrimType ElemT = classifyPrim(ElemQT); + if (const auto *VT = Ty->getAs()) { + // FIXME: Code duplication with the _Complex case above. + if (!Initializing) { + std::optional LocalIndex = + allocateLocal(E, /*IsExtended=*/false); + if (!LocalIndex) + return false; + if (!this->emitGetPtrLocal(*LocalIndex, E)) + return false; + } - for (unsigned I = 0; I != 2; ++I) { - if (!this->visitZeroInitializer(ElemT, ElemQT, E)) - return false; - if (!this->emitInitElem(ElemT, I, E)) - return false; + // Initialize all fields to 0. + QualType ElemQT = VT->getElementType(); + PrimType ElemT = classifyPrim(ElemQT); + + for (unsigned I = 0, N = VT->getNumElements(); I != N; ++I) { + if (!this->visitZeroInitializer(ElemT, ElemQT, E)) + return false; + if (!this->emitInitElem(ElemT, I, E)) + return false; + } + return true; } - return true; + + return false; } template @@ -2294,8 +2417,7 @@ bool ByteCodeExprGen::VisitCXXUuidofExpr(const CXXUuidofExpr *E) { if (!this->emitGetPtrGlobal(*GlobalIndex, E)) return false; - const Record *R = this->getRecord(E->getType()); - assert(R); + assert(this->getRecord(E->getType())); const APValue &V = E->getGuidDecl()->getAsAPValue(); if (V.getKind() == APValue::None) @@ -2303,41 +2425,8 @@ bool ByteCodeExprGen::VisitCXXUuidofExpr(const CXXUuidofExpr *E) { assert(V.isStruct()); assert(V.getStructNumBases() == 0); - // FIXME: This could be useful in visitAPValue, too. - for (unsigned I = 0, N = V.getStructNumFields(); I != N; ++I) { - const APValue &F = V.getStructField(I); - const Record::Field *RF = R->getField(I); - - if (F.isInt()) { - PrimType T = classifyPrim(RF->Decl->getType()); - if (!this->visitAPValue(F, T, E)) - return false; - if (!this->emitInitField(T, RF->Offset, E)) - return false; - } else if (F.isArray()) { - assert(RF->Desc->isPrimitiveArray()); - const auto *ArrType = RF->Decl->getType()->getAsArrayTypeUnsafe(); - PrimType ElemT = classifyPrim(ArrType->getElementType()); - assert(ArrType); - - if (!this->emitDupPtr(E)) - return false; - if (!this->emitGetPtrField(RF->Offset, E)) - return false; - - for (unsigned A = 0, AN = F.getArraySize(); A != AN; ++A) { - if (!this->visitAPValue(F.getArrayInitializedElt(A), ElemT, E)) - return false; - if (!this->emitInitElem(ElemT, A, E)) - return false; - } - - if (!this->emitPopPtr(E)) - return false; - } else { - assert(false && "I don't think this should be possible"); - } - } + if (!this->visitAPValueInitializer(V, E)) + return false; return this->emitFinishInit(E); } @@ -2902,6 +2991,54 @@ bool ByteCodeExprGen::visitAPValue(const APValue &Val, return false; } +template +bool ByteCodeExprGen::visitAPValueInitializer(const APValue &Val, + const Expr *E) { + if (Val.isStruct()) { + const Record *R = this->getRecord(E->getType()); + assert(R); + + for (unsigned I = 0, N = Val.getStructNumFields(); I != N; ++I) { + const APValue &F = Val.getStructField(I); + const Record::Field *RF = R->getField(I); + + if (F.isInt()) { + PrimType T = classifyPrim(RF->Decl->getType()); + if (!this->visitAPValue(F, T, E)) + return false; + if (!this->emitInitField(T, RF->Offset, E)) + return false; + } else if (F.isArray()) { + assert(RF->Desc->isPrimitiveArray()); + const auto *ArrType = RF->Decl->getType()->getAsArrayTypeUnsafe(); + PrimType ElemT = classifyPrim(ArrType->getElementType()); + assert(ArrType); + + if (!this->emitDupPtr(E)) + return false; + if (!this->emitGetPtrField(RF->Offset, E)) + return false; + + for (unsigned A = 0, AN = F.getArraySize(); A != AN; ++A) { + if (!this->visitAPValue(F.getArrayInitializedElt(A), ElemT, E)) + return false; + if (!this->emitInitElem(ElemT, A, E)) + return false; + } + + if (!this->emitPopPtr(E)) + return false; + } else { + assert(false && "I don't think this should be possible"); + } + } + return true; + } + // TODO: Other types. + + return false; +} + template bool ByteCodeExprGen::VisitBuiltinCallExpr(const CallExpr *E) { const Function *Func = getFunction(E->getDirectCallee()); @@ -3206,15 +3343,20 @@ bool ByteCodeExprGen::VisitUnaryOperator(const UnaryOperator *E) { return false; if (!this->emitAddf(getRoundingMode(E), E)) return false; - return this->emitStoreFloat(E); + if (!this->emitStoreFloat(E)) + return false; + } else { + assert(isIntegralType(*T)); + if (!this->emitLoad(*T, E)) + return false; + if (!this->emitConst(1, E)) + return false; + if (!this->emitAdd(*T, E)) + return false; + if (!this->emitStore(*T, E)) + return false; } - if (!this->emitLoad(*T, E)) - return false; - if (!this->emitConst(1, E)) - return false; - if (!this->emitAdd(*T, E)) - return false; - return this->emitStore(*T, E); + return E->isGLValue() || this->emitLoadPop(*T, E); } case UO_PreDec: { // --x if (!this->visit(SubExpr)) @@ -3245,15 +3387,20 @@ bool ByteCodeExprGen::VisitUnaryOperator(const UnaryOperator *E) { return false; if (!this->emitSubf(getRoundingMode(E), E)) return false; - return this->emitStoreFloat(E); + if (!this->emitStoreFloat(E)) + return false; + } else { + assert(isIntegralType(*T)); + if (!this->emitLoad(*T, E)) + return false; + if (!this->emitConst(1, E)) + return false; + if (!this->emitSub(*T, E)) + return false; + if (!this->emitStore(*T, E)) + return false; } - if (!this->emitLoad(*T, E)) - return false; - if (!this->emitConst(1, E)) - return false; - if (!this->emitSub(*T, E)) - return false; - return this->emitStore(*T, E); + return E->isGLValue() || this->emitLoadPop(*T, E); } case UO_LNot: // !x if (DiscardResult) @@ -3413,9 +3560,17 @@ bool ByteCodeExprGen::VisitDeclRefExpr(const DeclRefExpr *E) { } else if (const auto *FuncDecl = dyn_cast(D)) { const Function *F = getFunction(FuncDecl); return F && this->emitGetFnPtr(F, E); - } else if (isa(D)) { - if (std::optional Index = P.getOrCreateGlobal(D)) - return this->emitGetPtrGlobal(*Index, E); + } else if (const auto *TPOD = dyn_cast(D)) { + if (std::optional Index = P.getOrCreateGlobal(D)) { + if (!this->emitGetPtrGlobal(*Index, E)) + return false; + if (std::optional T = classify(E->getType())) { + if (!this->visitAPValue(TPOD->getValue(), *T, E)) + return false; + return this->emitInitGlobal(*T, *Index, E); + } + return this->visitAPValueInitializer(TPOD->getValue(), E); + } return false; } @@ -3492,35 +3647,17 @@ void ByteCodeExprGen::emitCleanup() { template unsigned -ByteCodeExprGen::collectBaseOffset(const RecordType *BaseType, - const RecordType *DerivedType) { - assert(BaseType); - assert(DerivedType); - const auto *FinalDecl = cast(BaseType->getDecl()); - const RecordDecl *CurDecl = DerivedType->getDecl(); - const Record *CurRecord = getRecord(CurDecl); - assert(CurDecl && FinalDecl); - - unsigned OffsetSum = 0; - for (;;) { - assert(CurRecord->getNumBases() > 0); - // One level up - for (const Record::Base &B : CurRecord->bases()) { - const auto *BaseDecl = cast(B.Decl); - - if (BaseDecl == FinalDecl || BaseDecl->isDerivedFrom(FinalDecl)) { - OffsetSum += B.Offset; - CurRecord = B.R; - CurDecl = BaseDecl; - break; - } - } - if (CurDecl == FinalDecl) - break; - } +ByteCodeExprGen::collectBaseOffset(const QualType BaseType, + const QualType DerivedType) { + const auto extractRecordDecl = [](QualType Ty) -> const CXXRecordDecl * { + if (const auto *PT = dyn_cast(Ty)) + return PT->getPointeeType()->getAsCXXRecordDecl(); + return Ty->getAsCXXRecordDecl(); + }; + const CXXRecordDecl *BaseDecl = extractRecordDecl(BaseType); + const CXXRecordDecl *DerivedDecl = extractRecordDecl(DerivedType); - assert(OffsetSum > 0); - return OffsetSum; + return Ctx.collectBaseOffset(BaseDecl, DerivedDecl); } /// Emit casts from a PrimType to another PrimType. diff --git a/clang/lib/AST/Interp/ByteCodeExprGen.h b/clang/lib/AST/Interp/ByteCodeExprGen.h index 7e9dc8631fc0d3aa4f428cf245bbf20269906a7f..a89e37c67aa67c16876b795bd481fc665391012d 100644 --- a/clang/lib/AST/Interp/ByteCodeExprGen.h +++ b/clang/lib/AST/Interp/ByteCodeExprGen.h @@ -181,6 +181,7 @@ protected: bool visitVarDecl(const VarDecl *VD); /// Visit an APValue. bool visitAPValue(const APValue &Val, PrimType ValType, const Expr *E); + bool visitAPValueInitializer(const APValue &Val, const Expr *E); /// Visits an expression and converts it to a boolean. bool visitBool(const Expr *E); @@ -224,7 +225,8 @@ protected: return this->emitFinishInitPop(I); } - bool visitInitList(ArrayRef Inits, const Expr *E); + bool visitInitList(ArrayRef Inits, const Expr *ArrayFiller, + const Expr *E); bool visitArrayElemInit(unsigned ElemIndex, const Expr *Init); /// Creates a local primitive value. @@ -283,8 +285,8 @@ private: bool emitRecordDestruction(const Record *R); bool emitDestruction(const Descriptor *Desc); - unsigned collectBaseOffset(const RecordType *BaseType, - const RecordType *DerivedType); + unsigned collectBaseOffset(const QualType BaseType, + const QualType DerivedType); protected: /// Variable to storage mapping. diff --git a/clang/lib/AST/Interp/ByteCodeStmtGen.cpp b/clang/lib/AST/Interp/ByteCodeStmtGen.cpp index 55a06f37a0c3dec8296174593d35c07579e53f80..ff92bc117f9efb4082701089bb29b7cb4e10361d 100644 --- a/clang/lib/AST/Interp/ByteCodeStmtGen.cpp +++ b/clang/lib/AST/Interp/ByteCodeStmtGen.cpp @@ -189,14 +189,23 @@ bool ByteCodeStmtGen::visitFunc(const FunctionDecl *F) { if (!emitFieldInitializer(F, F->Offset, InitExpr)) return false; } else if (const Type *Base = Init->getBaseClass()) { - // Base class initializer. - // Get This Base and call initializer on it. const auto *BaseDecl = Base->getAsCXXRecordDecl(); assert(BaseDecl); - const Record::Base *B = R->getBase(BaseDecl); - assert(B); - if (!this->emitGetPtrThisBase(B->Offset, InitExpr)) - return false; + + if (Init->isBaseVirtual()) { + assert(R->getVirtualBase(BaseDecl)); + if (!this->emitGetPtrThisVirtBase(BaseDecl, InitExpr)) + return false; + + } else { + // Base class initializer. + // Get This Base and call initializer on it. + const Record::Base *B = R->getBase(BaseDecl); + assert(B); + if (!this->emitGetPtrThisBase(B->Offset, InitExpr)) + return false; + } + if (!this->visitInitializer(InitExpr)) return false; if (!this->emitFinishInitPop(InitExpr)) @@ -283,8 +292,9 @@ bool ByteCodeStmtGen::visitStmt(const Stmt *S) { case Stmt::GCCAsmStmtClass: case Stmt::MSAsmStmtClass: case Stmt::GotoStmtClass: - case Stmt::LabelStmtClass: return this->emitInvalid(S); + case Stmt::LabelStmtClass: + return this->visitStmt(cast(S)->getSubStmt()); default: { if (auto *Exp = dyn_cast(S)) return this->discard(Exp); @@ -323,7 +333,8 @@ bool ByteCodeStmtGen::visitCompoundStmt( template bool ByteCodeStmtGen::visitDeclStmt(const DeclStmt *DS) { for (auto *D : DS->decls()) { - if (isa(D)) + if (isa(D)) continue; const auto *VD = dyn_cast(D); @@ -675,7 +686,30 @@ bool ByteCodeStmtGen::visitDefaultStmt(const DefaultStmt *S) { template bool ByteCodeStmtGen::visitAttributedStmt(const AttributedStmt *S) { - // Ignore all attributes. + + for (const Attr *A : S->getAttrs()) { + auto *AA = dyn_cast(A); + if (!AA) + continue; + + assert(isa(S->getSubStmt())); + + const Expr *Assumption = AA->getAssumption(); + if (Assumption->isValueDependent()) + return false; + + if (Assumption->HasSideEffects(this->Ctx.getASTContext())) + continue; + + // Evaluate assumption. + if (!this->visitBool(Assumption)) + return false; + + if (!this->emitAssume(Assumption)) + return false; + } + + // Ignore other attributes. return this->visitStmt(S->getSubStmt()); } diff --git a/clang/lib/AST/Interp/Context.cpp b/clang/lib/AST/Interp/Context.cpp index 274178837bf047d346ba7be09a6ac6ba159dbc92..d51a57e5e92eae17070b18116d16a1d59e9f486f 100644 --- a/clang/lib/AST/Interp/Context.cpp +++ b/clang/lib/AST/Interp/Context.cpp @@ -262,3 +262,36 @@ const Function *Context::getOrCreateFunction(const FunctionDecl *FD) { return Func; } + +unsigned Context::collectBaseOffset(const RecordDecl *BaseDecl, + const RecordDecl *DerivedDecl) const { + assert(BaseDecl); + assert(DerivedDecl); + const auto *FinalDecl = cast(BaseDecl); + const RecordDecl *CurDecl = DerivedDecl; + const Record *CurRecord = P->getOrCreateRecord(CurDecl); + assert(CurDecl && FinalDecl); + + unsigned OffsetSum = 0; + for (;;) { + assert(CurRecord->getNumBases() > 0); + // One level up + for (const Record::Base &B : CurRecord->bases()) { + const auto *BaseDecl = cast(B.Decl); + + if (BaseDecl == FinalDecl || BaseDecl->isDerivedFrom(FinalDecl)) { + OffsetSum += B.Offset; + CurRecord = B.R; + CurDecl = BaseDecl; + break; + } + } + if (CurDecl == FinalDecl) + break; + + // break; + } + + assert(OffsetSum > 0); + return OffsetSum; +} diff --git a/clang/lib/AST/Interp/Context.h b/clang/lib/AST/Interp/Context.h index 23c439ad8912a74839c8c93a788893247b913a15..360e9499d0844071e0ffe9b3c857c93a9800ada9 100644 --- a/clang/lib/AST/Interp/Context.h +++ b/clang/lib/AST/Interp/Context.h @@ -104,6 +104,9 @@ public: /// Returns the program. This is only needed for unittests. Program &getProgram() const { return *P.get(); } + unsigned collectBaseOffset(const RecordDecl *BaseDecl, + const RecordDecl *DerivedDecl) const; + private: /// Runs a function. bool Run(State &Parent, const Function *Func, APValue &Result); diff --git a/clang/lib/AST/Interp/Descriptor.cpp b/clang/lib/AST/Interp/Descriptor.cpp index a4ccc0236d292ce40665aaf2d37138e1e9831b86..954c58c8cb37162c1beb3335f39e9ac47baffc4c 100644 --- a/clang/lib/AST/Interp/Descriptor.cpp +++ b/clang/lib/AST/Interp/Descriptor.cpp @@ -136,28 +136,66 @@ static void moveArrayDesc(Block *B, const std::byte *Src, std::byte *Dst, } } +static void initField(Block *B, std::byte *Ptr, bool IsConst, bool IsMutable, + bool IsActive, const Descriptor *D, + unsigned FieldOffset) { + bool IsUnion = false; // FIXME + auto *Desc = reinterpret_cast(Ptr + FieldOffset) - 1; + Desc->Offset = FieldOffset; + Desc->Desc = D; + Desc->IsInitialized = D->IsArray; + Desc->IsBase = false; + Desc->IsActive = IsActive && !IsUnion; + Desc->IsConst = IsConst || D->IsConst; + Desc->IsFieldMutable = IsMutable || D->IsMutable; + + if (auto Fn = D->CtorFn) + Fn(B, Ptr + FieldOffset, Desc->IsConst, Desc->IsFieldMutable, + Desc->IsActive, D); +} + +static void initBase(Block *B, std::byte *Ptr, bool IsConst, bool IsMutable, + bool IsActive, const Descriptor *D, unsigned FieldOffset, + bool IsVirtualBase) { + assert(D); + assert(D->ElemRecord); + + bool IsUnion = D->ElemRecord->isUnion(); + auto *Desc = reinterpret_cast(Ptr + FieldOffset) - 1; + Desc->Offset = FieldOffset; + Desc->Desc = D; + Desc->IsInitialized = D->IsArray; + Desc->IsBase = true; + Desc->IsActive = IsActive && !IsUnion; + Desc->IsConst = IsConst || D->IsConst; + Desc->IsFieldMutable = IsMutable || D->IsMutable; + + for (const auto &V : D->ElemRecord->bases()) + initBase(B, Ptr + FieldOffset, IsConst, IsMutable, IsActive, V.Desc, + V.Offset, false); + for (const auto &F : D->ElemRecord->fields()) + initField(B, Ptr + FieldOffset, IsConst, IsMutable, IsActive, F.Desc, + F.Offset); + + // If this is initializing a virtual base, we do NOT want to consider its + // virtual bases, those are already flattened into the parent record when + // creating it. + if (IsVirtualBase) + return; + + for (const auto &V : D->ElemRecord->virtual_bases()) + initBase(B, Ptr + FieldOffset, IsConst, IsMutable, IsActive, V.Desc, + V.Offset, true); +} + static void ctorRecord(Block *B, std::byte *Ptr, bool IsConst, bool IsMutable, bool IsActive, const Descriptor *D) { - const bool IsUnion = D->ElemRecord->isUnion(); - auto CtorSub = [=](unsigned SubOff, const Descriptor *F, bool IsBase) { - auto *Desc = reinterpret_cast(Ptr + SubOff) - 1; - Desc->Offset = SubOff; - Desc->Desc = F; - Desc->IsInitialized = F->IsArray && !IsBase; - Desc->IsBase = IsBase; - Desc->IsActive = IsActive && !IsUnion; - Desc->IsConst = IsConst || F->IsConst; - Desc->IsFieldMutable = IsMutable || F->IsMutable; - if (auto Fn = F->CtorFn) - Fn(B, Ptr + SubOff, Desc->IsConst, Desc->IsFieldMutable, Desc->IsActive, - F); - }; - for (const auto &B : D->ElemRecord->bases()) - CtorSub(B.Offset, B.Desc, /*isBase=*/true); + for (const auto &V : D->ElemRecord->bases()) + initBase(B, Ptr, IsConst, IsMutable, IsActive, V.Desc, V.Offset, false); for (const auto &F : D->ElemRecord->fields()) - CtorSub(F.Offset, F.Desc, /*isBase=*/false); + initField(B, Ptr, IsConst, IsMutable, IsActive, F.Desc, F.Offset); for (const auto &V : D->ElemRecord->virtual_bases()) - CtorSub(V.Offset, V.Desc, /*isBase=*/true); + initBase(B, Ptr, IsConst, IsMutable, IsActive, V.Desc, V.Offset, true); } static void dtorRecord(Block *B, std::byte *Ptr, const Descriptor *D) { diff --git a/clang/lib/AST/Interp/Descriptor.h b/clang/lib/AST/Interp/Descriptor.h index c386fc8ac7b09d5030d1332e2d8dc227bba19a4c..cd20495c259c7d7e8db623aa014f59c79ec2ed5b 100644 --- a/clang/lib/AST/Interp/Descriptor.h +++ b/clang/lib/AST/Interp/Descriptor.h @@ -82,6 +82,9 @@ struct InlineDescriptor { InlineDescriptor(const Descriptor *D) : Offset(sizeof(InlineDescriptor)), IsConst(false), IsInitialized(false), IsBase(false), IsActive(false), IsFieldMutable(false), Desc(D) {} + + void dump() const { dump(llvm::errs()); } + void dump(llvm::raw_ostream &OS) const; }; /// Describes a memory block created by an allocation site. diff --git a/clang/lib/AST/Interp/Disasm.cpp b/clang/lib/AST/Interp/Disasm.cpp index d127f33223e802b993ac5ec5d8d37091f781008b..ccdc96a79436dad25bcf595c537e7953b64fe042 100644 --- a/clang/lib/AST/Interp/Disasm.cpp +++ b/clang/lib/AST/Interp/Disasm.cpp @@ -200,7 +200,7 @@ LLVM_DUMP_METHOD void Descriptor::dump(llvm::raw_ostream &OS) const { OS << " primitive"; if (isZeroSizeArray()) - OS << " zero-size-arrary"; + OS << " zero-size-array"; else if (isUnknownSizeArray()) OS << " unknown-size-array"; @@ -208,6 +208,25 @@ LLVM_DUMP_METHOD void Descriptor::dump(llvm::raw_ostream &OS) const { OS << " dummy"; } +LLVM_DUMP_METHOD void InlineDescriptor::dump(llvm::raw_ostream &OS) const { + { + ColorScope SC(OS, true, {llvm::raw_ostream::BLUE, true}); + OS << "InlineDescriptor " << (const void *)this << "\n"; + } + OS << "Offset: " << Offset << "\n"; + OS << "IsConst: " << IsConst << "\n"; + OS << "IsInitialized: " << IsInitialized << "\n"; + OS << "IsBase: " << IsBase << "\n"; + OS << "IsActive: " << IsActive << "\n"; + OS << "IsFieldMutable: " << IsFieldMutable << "\n"; + OS << "Desc: "; + if (Desc) + Desc->dump(OS); + else + OS << "nullptr"; + OS << "\n"; +} + LLVM_DUMP_METHOD void InterpFrame::dump(llvm::raw_ostream &OS, unsigned Indent) const { unsigned Spaces = Indent * 2; @@ -251,8 +270,6 @@ LLVM_DUMP_METHOD void Record::dump(llvm::raw_ostream &OS, unsigned Indentation, ++I; } - // FIXME: Virtual bases. - I = 0; for (const Record::Field &F : fields()) { OS.indent(Indent) << "- Field " << I << ": "; @@ -263,6 +280,14 @@ LLVM_DUMP_METHOD void Record::dump(llvm::raw_ostream &OS, unsigned Indentation, OS << ". Offset " << (Offset + F.Offset) << "\n"; ++I; } + + I = 0; + for (const Record::Base &B : virtual_bases()) { + OS.indent(Indent) << "- Virtual Base " << I << ". Offset " + << (Offset + B.Offset) << "\n"; + B.R->dump(OS, Indentation + 1, Offset + B.Offset); + ++I; + } } LLVM_DUMP_METHOD void Block::dump(llvm::raw_ostream &OS) const { diff --git a/clang/lib/AST/Interp/EvaluationResult.cpp b/clang/lib/AST/Interp/EvaluationResult.cpp index d567b551f7f6fcffbab18b4c067572f8f4960f15..e92d686c724cc8898e70eb10077532f6f117655f 100644 --- a/clang/lib/AST/Interp/EvaluationResult.cpp +++ b/clang/lib/AST/Interp/EvaluationResult.cpp @@ -105,7 +105,7 @@ static bool CheckFieldsInitialized(InterpState &S, SourceLocation Loc, Result &= CheckFieldsInitialized(S, Loc, FieldPtr, FieldPtr.getRecord()); } else if (FieldType->isIncompleteArrayType()) { // Nothing to do here. - } else if (F.Decl->isUnnamedBitfield()) { + } else if (F.Decl->isUnnamedBitField()) { // Nothing do do here. } else if (FieldType->isArrayType()) { const auto *CAT = diff --git a/clang/lib/AST/Interp/IntegralAP.h b/clang/lib/AST/Interp/IntegralAP.h index bab9774288bfa6e127f5ddead8e0fa334dd4c3b5..fb7ee14515715aa6696c7de240715d6542e8c088 100644 --- a/clang/lib/AST/Interp/IntegralAP.h +++ b/clang/lib/AST/Interp/IntegralAP.h @@ -154,7 +154,10 @@ public: } IntegralAP truncate(unsigned BitWidth) const { - return IntegralAP(V.trunc(BitWidth)); + if constexpr (Signed) + return IntegralAP(V.trunc(BitWidth).sextOrTrunc(this->bitWidth())); + else + return IntegralAP(V.trunc(BitWidth).zextOrTrunc(this->bitWidth())); } IntegralAP toUnsigned() const { diff --git a/clang/lib/AST/Interp/Interp.h b/clang/lib/AST/Interp/Interp.h index dd0bacd73acb107f1280eb929cf75d886a617754..66d30cc3fbaabac59bbb3335a95e13a4056d56ae 100644 --- a/clang/lib/AST/Interp/Interp.h +++ b/clang/lib/AST/Interp/Interp.h @@ -1355,20 +1355,26 @@ inline bool VirtBaseHelper(InterpState &S, CodePtr OpPC, const RecordDecl *Decl, while (Base.isBaseClass()) Base = Base.getBase(); - auto *Field = Base.getRecord()->getVirtualBase(Decl); - S.Stk.push(Base.atField(Field->Offset)); + const Record::Base *VirtBase = Base.getRecord()->getVirtualBase(Decl); + S.Stk.push(Base.atField(VirtBase->Offset)); return true; } -inline bool GetPtrVirtBase(InterpState &S, CodePtr OpPC, const RecordDecl *D) { +inline bool GetPtrVirtBasePop(InterpState &S, CodePtr OpPC, + const RecordDecl *D) { + assert(D); const Pointer &Ptr = S.Stk.pop(); if (!CheckNull(S, OpPC, Ptr, CSK_Base)) return false; + if (Ptr.isDummy()) // FIXME: Once we have type info for dummy pointers, this + // needs to go. + return false; return VirtBaseHelper(S, OpPC, D, Ptr); } inline bool GetPtrThisVirtBase(InterpState &S, CodePtr OpPC, const RecordDecl *D) { + assert(D); if (S.checkingPotentialConstantExpression()) return false; const Pointer &This = S.Current->getThis(); @@ -1548,17 +1554,16 @@ bool OffsetHelper(InterpState &S, CodePtr OpPC, const T &Offset, if (!CheckArray(S, OpPC, Ptr)) return false; - // Get a version of the index comparable to the type. - T Index = T::from(Ptr.getIndex(), Offset.bitWidth()); - // Compute the largest index into the array. - T MaxIndex = T::from(Ptr.getNumElems(), Offset.bitWidth()); + uint64_t Index = Ptr.getIndex(); + uint64_t MaxIndex = static_cast(Ptr.getNumElems()); bool Invalid = false; // Helper to report an invalid offset, computed as APSInt. auto DiagInvalidOffset = [&]() -> void { const unsigned Bits = Offset.bitWidth(); - APSInt APOffset(Offset.toAPSInt().extend(Bits + 2), false); - APSInt APIndex(Index.toAPSInt().extend(Bits + 2), false); + APSInt APOffset(Offset.toAPSInt().extend(Bits + 2), /*IsUnsigend=*/false); + APSInt APIndex(APInt(Bits + 2, Index, /*IsSigned=*/true), + /*IsUnsigned=*/false); APSInt NewIndex = (Op == ArithOp::Add) ? (APIndex + APOffset) : (APIndex - APOffset); S.CCEDiag(S.Current->getSource(OpPC), diag::note_constexpr_array_index) @@ -1569,22 +1574,24 @@ bool OffsetHelper(InterpState &S, CodePtr OpPC, const T &Offset, }; if (Ptr.isBlockPointer()) { - T MaxOffset = T::from(MaxIndex - Index, Offset.bitWidth()); + uint64_t IOffset = static_cast(Offset); + uint64_t MaxOffset = MaxIndex - Index; + if constexpr (Op == ArithOp::Add) { // If the new offset would be negative, bail out. - if (Offset.isNegative() && (Offset.isMin() || -Offset > Index)) + if (Offset.isNegative() && (Offset.isMin() || -IOffset > Index)) DiagInvalidOffset(); // If the new offset would be out of bounds, bail out. - if (Offset.isPositive() && Offset > MaxOffset) + if (Offset.isPositive() && IOffset > MaxOffset) DiagInvalidOffset(); } else { // If the new offset would be negative, bail out. - if (Offset.isPositive() && Index < Offset) + if (Offset.isPositive() && Index < IOffset) DiagInvalidOffset(); // If the new offset would be out of bounds, bail out. - if (Offset.isNegative() && (Offset.isMin() || -Offset > MaxOffset)) + if (Offset.isNegative() && (Offset.isMin() || -IOffset > MaxOffset)) DiagInvalidOffset(); } } @@ -1601,7 +1608,7 @@ bool OffsetHelper(InterpState &S, CodePtr OpPC, const T &Offset, else Result = WideIndex - WideOffset; - S.Stk.push(Ptr.atIndex(static_cast(Result))); + S.Stk.push(Ptr.atIndex(static_cast(Result))); return true; } @@ -1832,6 +1839,32 @@ bool CastPointerIntegral(InterpState &S, CodePtr OpPC) { return true; } +static inline bool CastPointerIntegralAP(InterpState &S, CodePtr OpPC, + uint32_t BitWidth) { + const Pointer &Ptr = S.Stk.pop(); + + const SourceInfo &E = S.Current->getSource(OpPC); + S.CCEDiag(E, diag::note_constexpr_invalid_cast) + << 2 << S.getLangOpts().CPlusPlus << S.Current->getRange(OpPC); + + S.Stk.push>( + IntegralAP::from(Ptr.getIntegerRepresentation(), BitWidth)); + return true; +} + +static inline bool CastPointerIntegralAPS(InterpState &S, CodePtr OpPC, + uint32_t BitWidth) { + const Pointer &Ptr = S.Stk.pop(); + + const SourceInfo &E = S.Current->getSource(OpPC); + S.CCEDiag(E, diag::note_constexpr_invalid_cast) + << 2 << S.getLangOpts().CPlusPlus << S.Current->getRange(OpPC); + + S.Stk.push>( + IntegralAP::from(Ptr.getIntegerRepresentation(), BitWidth)); + return true; +} + //===----------------------------------------------------------------------===// // Zero, Nullptr //===----------------------------------------------------------------------===// @@ -1902,10 +1935,15 @@ template inline bool Shr(InterpState &S, CodePtr OpPC) { using LT = typename PrimConv::T; using RT = typename PrimConv::T; - const auto &RHS = S.Stk.pop(); + auto RHS = S.Stk.pop(); const auto &LHS = S.Stk.pop(); const unsigned Bits = LHS.bitWidth(); + // OpenCL 6.3j: shift values are effectively % word size of LHS. + if (S.getLangOpts().OpenCL) + RT::bitAnd(RHS, RT::from(LHS.bitWidth() - 1, RHS.bitWidth()), + RHS.bitWidth(), &RHS); + if (!CheckShift(S, OpPC, LHS, RHS, Bits)) return false; @@ -1927,10 +1965,15 @@ template inline bool Shl(InterpState &S, CodePtr OpPC) { using LT = typename PrimConv::T; using RT = typename PrimConv::T; - const auto &RHS = S.Stk.pop(); + auto RHS = S.Stk.pop(); const auto &LHS = S.Stk.pop(); const unsigned Bits = LHS.bitWidth(); + // OpenCL 6.3j: shift values are effectively % word size of LHS. + if (S.getLangOpts().OpenCL) + RT::bitAnd(RHS, RT::from(LHS.bitWidth() - 1, RHS.bitWidth()), + RHS.bitWidth(), &RHS); + if (!CheckShift(S, OpPC, LHS, RHS, Bits)) return false; @@ -2047,6 +2090,24 @@ inline bool ArrayElemPop(InterpState &S, CodePtr OpPC, uint32_t Index) { return true; } +template ::T> +inline bool CopyArray(InterpState &S, CodePtr OpPC, uint32_t SrcIndex, uint32_t DestIndex, uint32_t Size) { + const auto &SrcPtr = S.Stk.pop(); + const auto &DestPtr = S.Stk.peek(); + + for (uint32_t I = 0; I != Size; ++I) { + const Pointer &SP = SrcPtr.atIndex(SrcIndex + I); + + if (!CheckLoad(S, OpPC, SP)) + return false; + + const Pointer &DP = DestPtr.atIndex(DestIndex + I); + DP.deref() = SP.deref(); + DP.initialize(); + } + return true; +} + /// Just takes a pointer and checks if it's an incomplete /// array type. inline bool ArrayDecay(InterpState &S, CodePtr OpPC) { @@ -2300,6 +2361,18 @@ inline bool InvalidDeclRef(InterpState &S, CodePtr OpPC, return CheckDeclRef(S, OpPC, DR); } +inline bool Assume(InterpState &S, CodePtr OpPC) { + const auto Val = S.Stk.pop(); + + if (Val) + return true; + + // Else, diagnose. + const SourceLocation &Loc = S.Current->getLocation(OpPC); + S.CCEDiag(Loc, diag::note_constexpr_assumption_failed); + return false; +} + template ::T> inline bool OffsetOf(InterpState &S, CodePtr OpPC, const OffsetOfExpr *E) { llvm::SmallVector ArrayIndices; diff --git a/clang/lib/AST/Interp/InterpBuiltin.cpp b/clang/lib/AST/Interp/InterpBuiltin.cpp index f562f9e1cb19fb7770537d8cfe40df49dfe927d3..565c85bc2e0c218c8135b3cf68c0cc0af04eda7d 100644 --- a/clang/lib/AST/Interp/InterpBuiltin.cpp +++ b/clang/lib/AST/Interp/InterpBuiltin.cpp @@ -9,6 +9,7 @@ #include "Boolean.h" #include "Interp.h" #include "PrimType.h" +#include "clang/AST/OSLog.h" #include "clang/AST/RecordLayout.h" #include "clang/Basic/Builtins.h" #include "clang/Basic/TargetInfo.h" @@ -1088,6 +1089,17 @@ static bool interp__builtin_is_aligned_up_down(InterpState &S, CodePtr OpPC, return false; } +static bool interp__builtin_os_log_format_buffer_size(InterpState &S, + CodePtr OpPC, + const InterpFrame *Frame, + const Function *Func, + const CallExpr *Call) { + analyze_os_log::OSLogBufferLayout Layout; + analyze_os_log::computeOSLogBufferLayout(S.getCtx(), Call, Layout); + pushInteger(S, Layout.size().getQuantity(), Call->getType()); + return true; +} + bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const Function *F, const CallExpr *Call) { const InterpFrame *Frame = S.Current; @@ -1409,6 +1421,11 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const Function *F, return false; break; + case Builtin::BI__builtin_os_log_format_buffer_size: + if (!interp__builtin_os_log_format_buffer_size(S, OpPC, Frame, F, Call)) + return false; + break; + default: S.FFDiag(S.Current->getLocation(OpPC), diag::note_invalid_subexpr_in_const_expr) diff --git a/clang/lib/AST/Interp/Opcodes.td b/clang/lib/AST/Interp/Opcodes.td index e17be3afd25729a7f3a1b78fcb425af3d16ae1fa..cfbd7f93c32de83552dc5973d3c9076345ac2cac 100644 --- a/clang/lib/AST/Interp/Opcodes.td +++ b/clang/lib/AST/Interp/Opcodes.td @@ -336,7 +336,7 @@ def GetPtrDerivedPop : Opcode { } // [Pointer] -> [Pointer] -def GetPtrVirtBase : Opcode { +def GetPtrVirtBasePop : Opcode { // RecordDecl of base class. let Args = [ArgRecordDecl]; } @@ -376,7 +376,11 @@ def ArrayElem : Opcode { let HasGroup = 1; } - +def CopyArray : Opcode { + let Args = [ArgUint32, ArgUint32, ArgUint32]; + let Types = [AllTypeClass]; + let HasGroup = 1; +} //===----------------------------------------------------------------------===// // Direct field accessors @@ -664,10 +668,19 @@ def CastFloatingIntegralAPS : Opcode { } def CastPointerIntegral : Opcode { - let Types = [AluTypeClass]; - let Args = []; + let Types = [FixedSizeIntegralTypeClass]; let HasGroup = 1; } +def CastPointerIntegralAP : Opcode { + let Types = []; + let HasGroup = 0; + let Args = [ArgUint32]; +} +def CastPointerIntegralAPS : Opcode { + let Types = []; + let HasGroup = 0; + let Args = [ArgUint32]; +} def DecayPtr : Opcode { let Types = [PtrTypeClass, PtrTypeClass]; @@ -727,6 +740,8 @@ def InvalidDeclRef : Opcode { let Args = [ArgDeclRef]; } +def Assume : Opcode; + def ArrayDecay : Opcode; def CheckNonNullArg : Opcode { diff --git a/clang/lib/AST/Interp/Pointer.cpp b/clang/lib/AST/Interp/Pointer.cpp index e163e658d462b2d2020900e95d27798461c41f4c..5ef31671ae7be51c8d3caae38b9f633600576ede 100644 --- a/clang/lib/AST/Interp/Pointer.cpp +++ b/clang/lib/AST/Interp/Pointer.cpp @@ -23,7 +23,7 @@ Pointer::Pointer(Block *Pointee) : Pointer(Pointee, Pointee->getDescriptor()->getMetadataSize(), Pointee->getDescriptor()->getMetadataSize()) {} -Pointer::Pointer(Block *Pointee, unsigned BaseAndOffset) +Pointer::Pointer(Block *Pointee, uint64_t BaseAndOffset) : Pointer(Pointee, BaseAndOffset, BaseAndOffset) {} Pointer::Pointer(const Pointer &P) @@ -34,7 +34,7 @@ Pointer::Pointer(const Pointer &P) PointeeStorage.BS.Pointee->addPointer(this); } -Pointer::Pointer(Block *Pointee, unsigned Base, unsigned Offset) +Pointer::Pointer(Block *Pointee, unsigned Base, uint64_t Offset) : Offset(Offset), StorageKind(Storage::Block) { assert((Base == RootPtrMark || Base % alignof(void *) == 0) && "wrong base"); diff --git a/clang/lib/AST/Interp/Pointer.h b/clang/lib/AST/Interp/Pointer.h index b4475577b74625bdb147ee22eb134aab2d7ac2e5..c4d701bc71b7bf58fde85730a47e74e26eecc5dc 100644 --- a/clang/lib/AST/Interp/Pointer.h +++ b/clang/lib/AST/Interp/Pointer.h @@ -89,10 +89,10 @@ public: PointeeStorage.Int.Desc = nullptr; } Pointer(Block *B); - Pointer(Block *B, unsigned BaseAndOffset); + Pointer(Block *B, uint64_t BaseAndOffset); Pointer(const Pointer &P); Pointer(Pointer &&P); - Pointer(uint64_t Address, const Descriptor *Desc, unsigned Offset = 0) + Pointer(uint64_t Address, const Descriptor *Desc, uint64_t Offset = 0) : Offset(Offset), StorageKind(Storage::Int) { PointeeStorage.Int.Value = Address; PointeeStorage.Int.Desc = Desc; @@ -134,14 +134,14 @@ public: std::optional toRValue(const Context &Ctx) const; /// Offsets a pointer inside an array. - [[nodiscard]] Pointer atIndex(unsigned Idx) const { + [[nodiscard]] Pointer atIndex(uint64_t Idx) const { if (isIntegralPointer()) return Pointer(asIntPointer().Value, asIntPointer().Desc, Idx); if (asBlockPointer().Base == RootPtrMark) return Pointer(asBlockPointer().Pointee, RootPtrMark, getDeclDesc()->getSize()); - unsigned Off = Idx * elemSize(); + uint64_t Off = Idx * elemSize(); if (getFieldDesc()->ElemDesc) Off += sizeof(InlineDescriptor); else @@ -630,7 +630,7 @@ private: friend class DeadBlock; friend struct InitMap; - Pointer(Block *Pointee, unsigned Base, unsigned Offset); + Pointer(Block *Pointee, unsigned Base, uint64_t Offset); /// Returns the embedded descriptor preceding a field. InlineDescriptor *getInlineDesc() const { @@ -656,7 +656,7 @@ private: } /// Offset into the storage. - unsigned Offset = 0; + uint64_t Offset = 0; /// Previous link in the pointer chain. Pointer *Prev = nullptr; diff --git a/clang/lib/AST/Interp/Program.cpp b/clang/lib/AST/Interp/Program.cpp index e6f22e79451e970e06d5ab47744be4489d3b7715..02075c20cf556ddebcb69a3897b47129af928104 100644 --- a/clang/lib/AST/Interp/Program.cpp +++ b/clang/lib/AST/Interp/Program.cpp @@ -108,27 +108,23 @@ Pointer Program::getPtrGlobal(unsigned Idx) const { } std::optional Program::getGlobal(const ValueDecl *VD) { - auto It = GlobalIndices.find(VD); - if (It != GlobalIndices.end()) + if (auto It = GlobalIndices.find(VD); It != GlobalIndices.end()) return It->second; // Find any previous declarations which were already evaluated. std::optional Index; - for (const Decl *P = VD; P; P = P->getPreviousDecl()) { - auto It = GlobalIndices.find(P); - if (It != GlobalIndices.end()) { + for (const Decl *P = VD->getPreviousDecl(); P; P = P->getPreviousDecl()) { + if (auto It = GlobalIndices.find(P); It != GlobalIndices.end()) { Index = It->second; break; } } // Map the decl to the existing index. - if (Index) { + if (Index) GlobalIndices[VD] = *Index; - return std::nullopt; - } - return Index; + return std::nullopt; } std::optional Program::getOrCreateGlobal(const ValueDecl *VD, @@ -173,12 +169,12 @@ std::optional Program::getOrCreateDummy(const ValueDecl *VD) { std::optional Program::createGlobal(const ValueDecl *VD, const Expr *Init) { - assert(!getGlobal(VD)); bool IsStatic, IsExtern; if (const auto *Var = dyn_cast(VD)) { IsStatic = Context::shouldBeGloballyIndexed(VD); IsExtern = Var->hasExternalStorage(); - } else if (isa(VD)) { + } else if (isa(VD)) { IsStatic = true; IsExtern = false; } else { @@ -312,6 +308,11 @@ Record *Program::getOrCreateRecord(const RecordDecl *RD) { // Reserve space for fields. Record::FieldList Fields; for (const FieldDecl *FD : RD->fields()) { + // Note that we DO create fields and descriptors + // for unnamed bitfields here, even though we later ignore + // them everywhere. That's because so the FieldDecl's + // getFieldIndex() matches. + // Reserve space for the field's descriptor and the offset. BaseSize += align(sizeof(InlineDescriptor)); diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp index d632c697fa20dbc4e88e15a6715f923020680b19..ed9e6eeb36c75d1832a7b2cf3572baf0c6e700a0 100644 --- a/clang/lib/AST/ItaniumMangle.cpp +++ b/clang/lib/AST/ItaniumMangle.cpp @@ -1062,26 +1062,23 @@ void CXXNameMangler::mangleNameWithAbiTags(GlobalDecl GD, // ::= // const DeclContext *DC = Context.getEffectiveDeclContext(ND); + bool IsLambda = isLambda(ND); // If this is an extern variable declared locally, the relevant DeclContext // is that of the containing namespace, or the translation unit. // FIXME: This is a hack; extern variables declared locally should have // a proper semantic declaration context! - if (isLocalContainerContext(DC) && ND->hasLinkage() && !isLambda(ND)) + if (isLocalContainerContext(DC) && ND->hasLinkage() && !IsLambda) while (!DC->isNamespace() && !DC->isTranslationUnit()) DC = Context.getEffectiveParentContext(DC); - else if (GetLocalClassDecl(ND)) { + else if (GetLocalClassDecl(ND) && + (!IsLambda || isCompatibleWith(LangOptions::ClangABI::Ver18))) { mangleLocalName(GD, AdditionalAbiTags); return; } assert(!isa(DC) && "context cannot be LinkageSpecDecl"); - if (isLocalContainerContext(DC)) { - mangleLocalName(GD, AdditionalAbiTags); - return; - } - // Closures can require a nested-name mangling even if they're semantically // in the global namespace. if (const NamedDecl *PrefixND = getClosurePrefix(ND)) { @@ -1089,6 +1086,11 @@ void CXXNameMangler::mangleNameWithAbiTags(GlobalDecl GD, return; } + if (isLocalContainerContext(DC)) { + mangleLocalName(GD, AdditionalAbiTags); + return; + } + if (DC->isTranslationUnit() || isStdNamespace(DC)) { // Check if we have a template. const TemplateArgumentList *TemplateArgs = nullptr; @@ -2201,8 +2203,6 @@ void CXXNameMangler::manglePrefix(const DeclContext *DC, bool NoFunction) { if (NoFunction && isLocalContainerContext(DC)) return; - assert(!isLocalContainerContext(DC)); - const NamedDecl *ND = cast(DC); if (mangleSubstitution(ND)) return; @@ -4715,7 +4715,7 @@ recurse: case Expr::MSPropertySubscriptExprClass: case Expr::TypoExprClass: // This should no longer exist in the AST by now. case Expr::RecoveryExprClass: - case Expr::OMPArraySectionExprClass: + case Expr::ArraySectionExprClass: case Expr::OMPArrayShapingExprClass: case Expr::OMPIteratorExprClass: case Expr::CXXInheritedCtorInitExprClass: @@ -6176,7 +6176,7 @@ static bool isZeroInitialized(QualType T, const APValue &V) { } I = 0; for (const FieldDecl *FD : RD->fields()) { - if (!FD->isUnnamedBitfield() && + if (!FD->isUnnamedBitField() && !isZeroInitialized(FD->getType(), V.getStructField(I))) return false; ++I; @@ -6189,7 +6189,7 @@ static bool isZeroInitialized(QualType T, const APValue &V) { assert(RD && "unexpected type for union value"); // Zero-initialization zeroes the first non-unnamed-bitfield field, if any. for (const FieldDecl *FD : RD->fields()) { - if (!FD->isUnnamedBitfield()) + if (!FD->isUnnamedBitField()) return V.getUnionField() && declaresSameEntity(FD, V.getUnionField()) && isZeroInitialized(FD->getType(), V.getUnionValue()); } @@ -6331,7 +6331,7 @@ void CXXNameMangler::mangleValueInTemplateArg(QualType T, const APValue &V, llvm::SmallVector Fields(RD->fields()); while ( !Fields.empty() && - (Fields.back()->isUnnamedBitfield() || + (Fields.back()->isUnnamedBitField() || isZeroInitialized(Fields.back()->getType(), V.getStructField(Fields.back()->getFieldIndex())))) { Fields.pop_back(); @@ -6351,7 +6351,7 @@ void CXXNameMangler::mangleValueInTemplateArg(QualType T, const APValue &V, for (unsigned I = 0, N = Bases.size(); I != N; ++I) mangleValueInTemplateArg(Bases[I].getType(), V.getStructBase(I), false); for (unsigned I = 0, N = Fields.size(); I != N; ++I) { - if (Fields[I]->isUnnamedBitfield()) + if (Fields[I]->isUnnamedBitField()) continue; mangleValueInTemplateArg(Fields[I]->getType(), V.getStructField(Fields[I]->getFieldIndex()), diff --git a/clang/lib/AST/MicrosoftMangle.cpp b/clang/lib/AST/MicrosoftMangle.cpp index a0bb04e69c9be8ad244618fb51277344309811a6..36d611750ca48cd11b800fc26e495337e8abfc8c 100644 --- a/clang/lib/AST/MicrosoftMangle.cpp +++ b/clang/lib/AST/MicrosoftMangle.cpp @@ -1933,7 +1933,7 @@ void MicrosoftCXXNameMangler::mangleTemplateArgValue(QualType T, for (const CXXBaseSpecifier &B : RD->bases()) mangleTemplateArgValue(B.getType(), V.getStructBase(BaseIndex++), TAK); for (const FieldDecl *FD : RD->fields()) - if (!FD->isUnnamedBitfield()) + if (!FD->isUnnamedBitField()) mangleTemplateArgValue(FD->getType(), V.getStructField(FD->getFieldIndex()), TAK, /*WithScalarType*/ true); diff --git a/clang/lib/AST/NSAPI.cpp b/clang/lib/AST/NSAPI.cpp index ecc56c13fb757338751e5b7e60ae64d078924cb9..6f586173edb021ba365351eea9ffed220b7cf299 100644 --- a/clang/lib/AST/NSAPI.cpp +++ b/clang/lib/AST/NSAPI.cpp @@ -462,7 +462,7 @@ NSAPI::getNSNumberFactoryMethodKind(QualType T) const { case BuiltinType::PseudoObject: case BuiltinType::BuiltinFn: case BuiltinType::IncompleteMatrixIdx: - case BuiltinType::OMPArraySection: + case BuiltinType::ArraySection: case BuiltinType::OMPArrayShaping: case BuiltinType::OMPIterator: case BuiltinType::BFloat16: diff --git a/clang/lib/AST/OpenACCClause.cpp b/clang/lib/AST/OpenACCClause.cpp index 9c259c8f9bd0a1a620f4101633879555a4e0789e..885f3b7618ec55b2f597c8598f878442d3edca16 100644 --- a/clang/lib/AST/OpenACCClause.cpp +++ b/clang/lib/AST/OpenACCClause.cpp @@ -82,19 +82,119 @@ OpenACCClause::child_range OpenACCClause::children() { return child_range(child_iterator(), child_iterator()); } +OpenACCNumWorkersClause::OpenACCNumWorkersClause(SourceLocation BeginLoc, + SourceLocation LParenLoc, + Expr *IntExpr, + SourceLocation EndLoc) + : OpenACCClauseWithSingleIntExpr(OpenACCClauseKind::NumWorkers, BeginLoc, + LParenLoc, IntExpr, EndLoc) { + assert((!IntExpr || IntExpr->isInstantiationDependent() || + IntExpr->getType()->isIntegerType()) && + "Condition expression type not scalar/dependent"); +} + +OpenACCNumWorkersClause * +OpenACCNumWorkersClause::Create(const ASTContext &C, SourceLocation BeginLoc, + SourceLocation LParenLoc, Expr *IntExpr, + SourceLocation EndLoc) { + void *Mem = C.Allocate(sizeof(OpenACCNumWorkersClause), + alignof(OpenACCNumWorkersClause)); + return new (Mem) + OpenACCNumWorkersClause(BeginLoc, LParenLoc, IntExpr, EndLoc); +} + +OpenACCVectorLengthClause::OpenACCVectorLengthClause(SourceLocation BeginLoc, + SourceLocation LParenLoc, + Expr *IntExpr, + SourceLocation EndLoc) + : OpenACCClauseWithSingleIntExpr(OpenACCClauseKind::VectorLength, BeginLoc, + LParenLoc, IntExpr, EndLoc) { + assert((!IntExpr || IntExpr->isInstantiationDependent() || + IntExpr->getType()->isIntegerType()) && + "Condition expression type not scalar/dependent"); +} + +OpenACCVectorLengthClause * +OpenACCVectorLengthClause::Create(const ASTContext &C, SourceLocation BeginLoc, + SourceLocation LParenLoc, Expr *IntExpr, + SourceLocation EndLoc) { + void *Mem = C.Allocate(sizeof(OpenACCVectorLengthClause), + alignof(OpenACCVectorLengthClause)); + return new (Mem) + OpenACCVectorLengthClause(BeginLoc, LParenLoc, IntExpr, EndLoc); +} + +OpenACCNumGangsClause *OpenACCNumGangsClause::Create(const ASTContext &C, + SourceLocation BeginLoc, + SourceLocation LParenLoc, + ArrayRef IntExprs, + SourceLocation EndLoc) { + void *Mem = C.Allocate( + OpenACCNumGangsClause::totalSizeToAlloc(IntExprs.size())); + return new (Mem) OpenACCNumGangsClause(BeginLoc, LParenLoc, IntExprs, EndLoc); +} + +OpenACCPrivateClause *OpenACCPrivateClause::Create(const ASTContext &C, + SourceLocation BeginLoc, + SourceLocation LParenLoc, + ArrayRef VarList, + SourceLocation EndLoc) { + void *Mem = C.Allocate( + OpenACCPrivateClause::totalSizeToAlloc(VarList.size())); + return new (Mem) OpenACCPrivateClause(BeginLoc, LParenLoc, VarList, EndLoc); +} + //===----------------------------------------------------------------------===// // OpenACC clauses printing methods //===----------------------------------------------------------------------===// + +void OpenACCClausePrinter::printExpr(const Expr *E) { + E->printPretty(OS, nullptr, Policy, 0); +} + void OpenACCClausePrinter::VisitDefaultClause(const OpenACCDefaultClause &C) { OS << "default(" << C.getDefaultClauseKind() << ")"; } void OpenACCClausePrinter::VisitIfClause(const OpenACCIfClause &C) { - OS << "if(" << C.getConditionExpr() << ")"; + OS << "if("; + printExpr(C.getConditionExpr()); + OS << ")"; } void OpenACCClausePrinter::VisitSelfClause(const OpenACCSelfClause &C) { OS << "self"; - if (const Expr *CondExpr = C.getConditionExpr()) - OS << "(" << CondExpr << ")"; + if (const Expr *CondExpr = C.getConditionExpr()) { + OS << "("; + printExpr(CondExpr); + OS << ")"; + } +} + +void OpenACCClausePrinter::VisitNumGangsClause(const OpenACCNumGangsClause &C) { + OS << "num_gangs("; + llvm::interleaveComma(C.getIntExprs(), OS, + [&](const Expr *E) { printExpr(E); }); + OS << ")"; +} + +void OpenACCClausePrinter::VisitNumWorkersClause( + const OpenACCNumWorkersClause &C) { + OS << "num_workers("; + printExpr(C.getIntExpr()); + OS << ")"; +} + +void OpenACCClausePrinter::VisitVectorLengthClause( + const OpenACCVectorLengthClause &C) { + OS << "vector_length("; + printExpr(C.getIntExpr()); + OS << ")"; +} + +void OpenACCClausePrinter::VisitPrivateClause(const OpenACCPrivateClause &C) { + OS << "private("; + llvm::interleaveComma(C.getVarList(), OS, + [&](const Expr *E) { printExpr(E); }); + OS << ")"; } diff --git a/clang/lib/AST/RecordLayoutBuilder.cpp b/clang/lib/AST/RecordLayoutBuilder.cpp index a3b7431f7ffd6dc134cc4a58f9ec78b0498fca67..d9bf62c2bbb04a56afeac66aa5ed43fec9319f72 100644 --- a/clang/lib/AST/RecordLayoutBuilder.cpp +++ b/clang/lib/AST/RecordLayoutBuilder.cpp @@ -2458,6 +2458,11 @@ static bool mustSkipTailPadding(TargetCXXABI ABI, const CXXRecordDecl *RD) { } static bool isMsLayout(const ASTContext &Context) { + // Check if it's CUDA device compilation; ensure layout consistency with host. + if (Context.getLangOpts().CUDA && Context.getLangOpts().CUDAIsDevice && + Context.getAuxTargetInfo()) + return Context.getAuxTargetInfo()->getCXXABI().isMicrosoft(); + return Context.getTargetInfo().getCXXABI().isMicrosoft(); } diff --git a/clang/lib/AST/StmtPrinter.cpp b/clang/lib/AST/StmtPrinter.cpp index 5855ab3141edcc7d89a27ca956a4e670e1f8c604..be2d5a2eb6b46d1bf63df77bbdc7dd2cdd085fe5 100644 --- a/clang/lib/AST/StmtPrinter.cpp +++ b/clang/lib/AST/StmtPrinter.cpp @@ -1148,9 +1148,10 @@ void StmtPrinter::VisitOpenACCComputeConstruct(OpenACCComputeConstruct *S) { if (!S->clauses().empty()) { OS << ' '; - OpenACCClausePrinter Printer(OS); + OpenACCClausePrinter Printer(OS, Policy); Printer.VisitClauseList(S->clauses()); } + OS << '\n'; PrintStmt(S->getStructuredBlock()); } @@ -1521,7 +1522,7 @@ void StmtPrinter::VisitMatrixSubscriptExpr(MatrixSubscriptExpr *Node) { OS << "]"; } -void StmtPrinter::VisitOMPArraySectionExpr(OMPArraySectionExpr *Node) { +void StmtPrinter::VisitArraySectionExpr(ArraySectionExpr *Node) { PrintExpr(Node->getBase()); OS << "["; if (Node->getLowerBound()) @@ -1531,7 +1532,7 @@ void StmtPrinter::VisitOMPArraySectionExpr(OMPArraySectionExpr *Node) { if (Node->getLength()) PrintExpr(Node->getLength()); } - if (Node->getColonLocSecond().isValid()) { + if (Node->isOMPArraySection() && Node->getColonLocSecond().isValid()) { OS << ":"; if (Node->getStride()) PrintExpr(Node->getStride()); diff --git a/clang/lib/AST/StmtProfile.cpp b/clang/lib/AST/StmtProfile.cpp index b26d804c6f079b2bae33c6418a7b29c1fea7d427..973f6f97bae0bf4e484e254ca80cb29e863dfecc 100644 --- a/clang/lib/AST/StmtProfile.cpp +++ b/clang/lib/AST/StmtProfile.cpp @@ -1435,7 +1435,7 @@ void StmtProfiler::VisitMatrixSubscriptExpr(const MatrixSubscriptExpr *S) { VisitExpr(S); } -void StmtProfiler::VisitOMPArraySectionExpr(const OMPArraySectionExpr *S) { +void StmtProfiler::VisitArraySectionExpr(const ArraySectionExpr *S) { VisitExpr(S); } @@ -2496,6 +2496,31 @@ void OpenACCClauseProfiler::VisitSelfClause(const OpenACCSelfClause &Clause) { if (Clause.hasConditionExpr()) Profiler.VisitStmt(Clause.getConditionExpr()); } + +void OpenACCClauseProfiler::VisitNumGangsClause( + const OpenACCNumGangsClause &Clause) { + for (auto *E : Clause.getIntExprs()) + Profiler.VisitStmt(E); +} + +void OpenACCClauseProfiler::VisitNumWorkersClause( + const OpenACCNumWorkersClause &Clause) { + assert(Clause.hasIntExpr() && "num_workers clause requires a valid int expr"); + Profiler.VisitStmt(Clause.getIntExpr()); +} + +void OpenACCClauseProfiler::VisitPrivateClause( + const OpenACCPrivateClause &Clause) { + for (auto *E : Clause.getVarList()) + Profiler.VisitStmt(E); +} + +void OpenACCClauseProfiler::VisitVectorLengthClause( + const OpenACCVectorLengthClause &Clause) { + assert(Clause.hasIntExpr() && + "vector_length clause requires a valid int expr"); + Profiler.VisitStmt(Clause.getIntExpr()); +} } // namespace void StmtProfiler::VisitOpenACCComputeConstruct( diff --git a/clang/lib/AST/TextNodeDumper.cpp b/clang/lib/AST/TextNodeDumper.cpp index ff5b3df2d6dfac4d01a5e1cb9b4f24564b9984d9..89f50d6dacfd23b512eac7b06844fd2d62e79a39 100644 --- a/clang/lib/AST/TextNodeDumper.cpp +++ b/clang/lib/AST/TextNodeDumper.cpp @@ -399,6 +399,10 @@ void TextNodeDumper::Visit(const OpenACCClause *C) { break; case OpenACCClauseKind::If: case OpenACCClauseKind::Self: + case OpenACCClauseKind::NumGangs: + case OpenACCClauseKind::NumWorkers: + case OpenACCClauseKind::Private: + case OpenACCClauseKind::VectorLength: // The condition expression will be printed as a part of the 'children', // but print 'clause' here so it is clear what is happening from the dump. OS << " clause"; diff --git a/clang/lib/AST/Type.cpp b/clang/lib/AST/Type.cpp index cb22c91a12aa8911b9c487e7044f3032ef5c9654..68e81f45b4c28eeab60a390a73f654dc8f9a7e46 100644 --- a/clang/lib/AST/Type.cpp +++ b/clang/lib/AST/Type.cpp @@ -2510,6 +2510,18 @@ bool Type::isSveVLSBuiltinType() const { return false; } +QualType Type::getSizelessVectorEltType(const ASTContext &Ctx) const { + assert(isSizelessVectorType() && "Must be sizeless vector type"); + // Currently supports SVE and RVV + if (isSVESizelessBuiltinType()) + return getSveEltType(Ctx); + + if (isRVVSizelessBuiltinType()) + return getRVVEltType(Ctx); + + llvm_unreachable("Unhandled type"); +} + QualType Type::getSveEltType(const ASTContext &Ctx) const { assert(isSveVLSBuiltinType() && "unsupported type!"); @@ -3413,8 +3425,8 @@ StringRef BuiltinType::getName(const PrintingPolicy &Policy) const { return "reserve_id_t"; case IncompleteMatrixIdx: return ""; - case OMPArraySection: - return ""; + case ArraySection: + return ""; case OMPArrayShaping: return ""; case OMPIterator: @@ -4710,7 +4722,7 @@ bool Type::canHaveNullability(bool ResultIfUnknown) const { case BuiltinType::BuiltinFn: case BuiltinType::NullPtr: case BuiltinType::IncompleteMatrixIdx: - case BuiltinType::OMPArraySection: + case BuiltinType::ArraySection: case BuiltinType::OMPArrayShaping: case BuiltinType::OMPIterator: return false; diff --git a/clang/lib/AST/TypeLoc.cpp b/clang/lib/AST/TypeLoc.cpp index 21e152f6aea8a0e1cc03418c8a6e582b7dadafcf..ce45b47d5cfea5ea4395e7777f7da30d20bb39c7 100644 --- a/clang/lib/AST/TypeLoc.cpp +++ b/clang/lib/AST/TypeLoc.cpp @@ -429,7 +429,7 @@ TypeSpecifierType BuiltinTypeLoc::getWrittenTypeSpec() const { #include "clang/Basic/WebAssemblyReferenceTypes.def" case BuiltinType::BuiltinFn: case BuiltinType::IncompleteMatrixIdx: - case BuiltinType::OMPArraySection: + case BuiltinType::ArraySection: case BuiltinType::OMPArrayShaping: case BuiltinType::OMPIterator: return TST_unspecified; diff --git a/clang/lib/ASTMatchers/Dynamic/Marshallers.h b/clang/lib/ASTMatchers/Dynamic/Marshallers.h index c76ddf17b719d4c1ee62177fba6d4a6eb3f0727d..0e640cbada726868b218e53333f46430c3d9ce1d 100644 --- a/clang/lib/ASTMatchers/Dynamic/Marshallers.h +++ b/clang/lib/ASTMatchers/Dynamic/Marshallers.h @@ -937,7 +937,7 @@ class MapAnyOfMatcherDescriptor : public MatcherDescriptor { public: MapAnyOfMatcherDescriptor(ASTNodeKind CladeNodeKind, std::vector NodeKinds) - : CladeNodeKind(CladeNodeKind), NodeKinds(NodeKinds) {} + : CladeNodeKind(CladeNodeKind), NodeKinds(std::move(NodeKinds)) {} VariantMatcher create(SourceRange NameRange, ArrayRef Args, Diagnostics *Error) const override { @@ -1026,7 +1026,7 @@ public: } return std::make_unique(CladeNodeKind, - NodeKinds); + std::move(NodeKinds)); } bool isVariadic() const override { return true; } diff --git a/clang/lib/Analysis/FlowSensitive/ASTOps.cpp b/clang/lib/Analysis/FlowSensitive/ASTOps.cpp index 75188aef4d1a43664ae8aa555e1025b987e22757..bd1676583ecccdec2c1d262c4bba9c4d6e2878ae 100644 --- a/clang/lib/Analysis/FlowSensitive/ASTOps.cpp +++ b/clang/lib/Analysis/FlowSensitive/ASTOps.cpp @@ -33,12 +33,20 @@ namespace clang::dataflow { const Expr &ignoreCFGOmittedNodes(const Expr &E) { const Expr *Current = &E; - if (auto *EWC = dyn_cast(Current)) { - Current = EWC->getSubExpr(); + const Expr *Last = nullptr; + while (Current != Last) { + Last = Current; + if (auto *EWC = dyn_cast(Current)) { + Current = EWC->getSubExpr(); + assert(Current != nullptr); + } + if (auto *CE = dyn_cast(Current)) { + Current = CE->getSubExpr(); + assert(Current != nullptr); + } + Current = Current->IgnoreParens(); assert(Current != nullptr); } - Current = Current->IgnoreParens(); - assert(Current != nullptr); return *Current; } @@ -80,11 +88,12 @@ bool containsSameFields(const FieldSet &Fields, } /// Returns the fields of a `RecordDecl` that are initialized by an -/// `InitListExpr`, in the order in which they appear in -/// `InitListExpr::inits()`. -/// `Init->getType()` must be a record type. +/// `InitListExpr` or `CXXParenListInitExpr`, in the order in which they appear +/// in `InitListExpr::inits()` / `CXXParenListInitExpr::getInitExprs()`. +/// `InitList->getType()` must be a record type. +template static std::vector -getFieldsForInitListExpr(const InitListExpr *InitList) { +getFieldsForInitListExpr(const InitListT *InitList) { const RecordDecl *RD = InitList->getType()->getAsRecordDecl(); assert(RD != nullptr); @@ -101,23 +110,33 @@ getFieldsForInitListExpr(const InitListExpr *InitList) { // fields to avoid mapping inits to the wrongs fields. llvm::copy_if( RD->fields(), std::back_inserter(Fields), - [](const FieldDecl *Field) { return !Field->isUnnamedBitfield(); }); + [](const FieldDecl *Field) { return !Field->isUnnamedBitField(); }); return Fields; } -RecordInitListHelper::RecordInitListHelper(const InitListExpr *InitList) { - auto *RD = InitList->getType()->getAsCXXRecordDecl(); - assert(RD != nullptr); +RecordInitListHelper::RecordInitListHelper(const InitListExpr *InitList) + : RecordInitListHelper(InitList->getType(), + getFieldsForInitListExpr(InitList), + InitList->inits()) {} - std::vector Fields = getFieldsForInitListExpr(InitList); - ArrayRef Inits = InitList->inits(); +RecordInitListHelper::RecordInitListHelper( + const CXXParenListInitExpr *ParenInitList) + : RecordInitListHelper(ParenInitList->getType(), + getFieldsForInitListExpr(ParenInitList), + ParenInitList->getInitExprs()) {} + +RecordInitListHelper::RecordInitListHelper( + QualType Ty, std::vector Fields, + ArrayRef Inits) { + auto *RD = Ty->getAsCXXRecordDecl(); + assert(RD != nullptr); // Unions initialized with an empty initializer list need special treatment. // For structs/classes initialized with an empty initializer list, Clang // puts `ImplicitValueInitExpr`s in `InitListExpr::inits()`, but for unions, // it doesn't do this -- so we create an `ImplicitValueInitExpr` ourselves. SmallVector InitsForUnion; - if (InitList->getType()->isUnionType() && Inits.empty()) { + if (Ty->isUnionType() && Inits.empty()) { assert(Fields.size() == 1); ImplicitValueInitForUnion.emplace(Fields.front()->getType()); InitsForUnion.push_back(&*ImplicitValueInitForUnion); @@ -217,6 +236,10 @@ static void getReferencedDecls(const Stmt &S, ReferencedDecls &Referenced) { if (InitList->getType()->isRecordType()) for (const auto *FD : getFieldsForInitListExpr(InitList)) Referenced.Fields.insert(FD); + } else if (auto *ParenInitList = dyn_cast(&S)) { + if (ParenInitList->getType()->isRecordType()) + for (const auto *FD : getFieldsForInitListExpr(ParenInitList)) + Referenced.Fields.insert(FD); } } @@ -246,4 +269,10 @@ ReferencedDecls getReferencedDecls(const FunctionDecl &FD) { return Result; } +ReferencedDecls getReferencedDecls(const Stmt &S) { + ReferencedDecls Result; + getReferencedDecls(S, Result); + return Result; +} + } // namespace clang::dataflow diff --git a/clang/lib/Analysis/FlowSensitive/DataflowEnvironment.cpp b/clang/lib/Analysis/FlowSensitive/DataflowEnvironment.cpp index 3f1600d9ac5d8724494bc35ce9436160a5269d28..d79e734402892a65331ebac4208cef6c4518eb9f 100644 --- a/clang/lib/Analysis/FlowSensitive/DataflowEnvironment.cpp +++ b/clang/lib/Analysis/FlowSensitive/DataflowEnvironment.cpp @@ -24,6 +24,7 @@ #include "llvm/ADT/DenseSet.h" #include "llvm/ADT/MapVector.h" #include "llvm/ADT/STLExtras.h" +#include "llvm/ADT/ScopeExit.h" #include "llvm/Support/ErrorHandling.h" #include #include @@ -80,7 +81,6 @@ static bool equateUnknownValues(Value::Kind K) { switch (K) { case Value::Kind::Integer: case Value::Kind::Pointer: - case Value::Kind::Record: return true; default: return false; @@ -145,25 +145,7 @@ static Value *joinDistinctValues(QualType Type, Value &Val1, return &A.makeBoolValue(JoinedVal); } - Value *JoinedVal = nullptr; - if (auto *RecordVal1 = dyn_cast(&Val1)) { - auto *RecordVal2 = cast(&Val2); - - if (&RecordVal1->getLoc() == &RecordVal2->getLoc()) - // `RecordVal1` and `RecordVal2` may have different properties associated - // with them. Create a new `RecordValue` with the same location but - // without any properties so that we soundly approximate both values. If a - // particular analysis needs to join properties, it should do so in - // `DataflowAnalysis::join()`. - JoinedVal = &JoinedEnv.create(RecordVal1->getLoc()); - else - // If the locations for the two records are different, need to create a - // completely new value. - JoinedVal = JoinedEnv.createValue(Type); - } else { - JoinedVal = JoinedEnv.createValue(Type); - } - + Value *JoinedVal = JoinedEnv.createValue(Type); if (JoinedVal) Model.join(Type, Val1, Env1, Val2, Env2, *JoinedVal, JoinedEnv); @@ -175,7 +157,13 @@ static WidenResult widenDistinctValues(QualType Type, Value &Prev, Value &Current, Environment &CurrentEnv, Environment::ValueModel &Model) { // Boolean-model widening. - if (auto *PrevBool = dyn_cast(&Prev)) { + if (isa(Prev) && isa(Current)) { + // FIXME: Checking both values should be unnecessary, but we can currently + // end up with `BoolValue`s in integer-typed variables. See comment in + // `joinDistinctValues()` for details. + auto &PrevBool = cast(Prev); + auto &CurBool = cast(Current); + if (isa(Prev)) // Safe to return `Prev` here, because Top is never dependent on the // environment. @@ -184,13 +172,12 @@ static WidenResult widenDistinctValues(QualType Type, Value &Prev, // We may need to widen to Top, but before we do so, check whether both // values are implied to be either true or false in the current environment. // In that case, we can simply return a literal instead. - auto &CurBool = cast(Current); - bool TruePrev = PrevEnv.proves(PrevBool->formula()); + bool TruePrev = PrevEnv.proves(PrevBool.formula()); bool TrueCur = CurrentEnv.proves(CurBool.formula()); if (TruePrev && TrueCur) return {&CurrentEnv.getBoolLiteralValue(true), LatticeEffect::Unchanged}; if (!TruePrev && !TrueCur && - PrevEnv.proves(PrevEnv.arena().makeNot(PrevBool->formula())) && + PrevEnv.proves(PrevEnv.arena().makeNot(PrevBool.formula())) && CurrentEnv.proves(CurrentEnv.arena().makeNot(CurBool.formula()))) return {&CurrentEnv.getBoolLiteralValue(false), LatticeEffect::Unchanged}; @@ -255,13 +242,8 @@ joinLocToVal(const llvm::MapVector &LocToVal, continue; assert(It->second != nullptr); - if (areEquivalentValues(*Val, *It->second)) { - Result.insert({Loc, Val}); - continue; - } - - if (Value *JoinedVal = joinDistinctValues( - Loc->getType(), *Val, Env1, *It->second, Env2, JoinedEnv, Model)) { + if (Value *JoinedVal = Environment::joinValues( + Loc->getType(), Val, Env1, It->second, Env2, JoinedEnv, Model)) { Result.insert({Loc, JoinedVal}); } } @@ -356,6 +338,18 @@ public: } } + bool TraverseDecl(Decl *D) { + // Don't traverse nested record or function declarations. + // - We won't be analyzing code contained in these anyway + // - We don't model fields that are used only in these nested declaration, + // so trying to propagate a result object to initializers of such fields + // would cause an error. + if (isa_and_nonnull(D) || isa_and_nonnull(D)) + return true; + + return RecursiveASTVisitor::TraverseDecl(D); + } + bool TraverseBindingDecl(BindingDecl *BD) { // `RecursiveASTVisitor` doesn't traverse holding variables for // `BindingDecl`s by itself, so we need to tell it to. @@ -401,6 +395,28 @@ public: return true; } + void + PropagateResultObjectToRecordInitList(const RecordInitListHelper &InitList, + RecordStorageLocation *Loc) { + for (auto [Base, Init] : InitList.base_inits()) { + assert(Base->getType().getCanonicalType() == + Init->getType().getCanonicalType()); + + // Storage location for the base class is the same as that of the + // derived class because we "flatten" the object hierarchy and put all + // fields in `RecordStorageLocation` of the derived class. + PropagateResultObject(Init, Loc); + } + + for (auto [Field, Init] : InitList.field_inits()) { + // Fields of non-record type are handled in + // `TransferVisitor::VisitInitListExpr()`. + if (Field->getType()->isRecordType()) + PropagateResultObject( + Init, cast(Loc->getChild(*Field))); + } + } + // Assigns `Loc` as the result object location of `E`, then propagates the // location to all lower-level prvalues that initialize the same object as // `E` (or one of its base classes or member variables). @@ -440,26 +456,14 @@ public: return; } - RecordInitListHelper InitListHelper(InitList); - - for (auto [Base, Init] : InitListHelper.base_inits()) { - assert(Base->getType().getCanonicalType() == - Init->getType().getCanonicalType()); - - // Storage location for the base class is the same as that of the - // derived class because we "flatten" the object hierarchy and put all - // fields in `RecordStorageLocation` of the derived class. - PropagateResultObject(Init, Loc); - } + PropagateResultObjectToRecordInitList(RecordInitListHelper(InitList), + Loc); + return; + } - for (auto [Field, Init] : InitListHelper.field_inits()) { - // Fields of non-record type are handled in - // `TransferVisitor::VisitInitListExpr()`. - if (!Field->getType()->isRecordType()) - continue; - PropagateResultObject( - Init, cast(Loc->getChild(*Field))); - } + if (auto *ParenInitList = dyn_cast(E)) { + PropagateResultObjectToRecordInitList(RecordInitListHelper(ParenInitList), + Loc); return; } @@ -555,7 +559,6 @@ void Environment::initialize() { auto &ThisLoc = cast(createStorageLocation(ThisPointeeType)); setThisPointeeStorageLocation(ThisLoc); - refreshRecordValue(ThisLoc, *this); // Initialize fields of `*this` with values, but only if we're not // analyzing a constructor; after all, it's the constructor's job to do // this (and we want to be able to test that). @@ -619,8 +622,8 @@ Environment Environment::pushCall(const CallExpr *Call) const { if (const auto *MethodCall = dyn_cast(Call)) { if (const Expr *Arg = MethodCall->getImplicitObjectArgument()) { if (!isa(Arg)) - Env.ThisPointeeLoc = - cast(getStorageLocation(*Arg)); + Env.ThisPointeeLoc = + cast(getStorageLocation(*Arg)); // Otherwise (when the argument is `this`), retain the current // environment's `ThisPointeeLoc`. } @@ -699,10 +702,6 @@ void Environment::popCall(const CXXConstructExpr *Call, // See also comment in `popCall(const CallExpr *, const Environment &)` above. this->LocToVal = std::move(CalleeEnv.LocToVal); this->FlowConditionToken = std::move(CalleeEnv.FlowConditionToken); - - if (Value *Val = CalleeEnv.getValue(*CalleeEnv.ThisPointeeLoc)) { - setValue(*Call, *Val); - } } bool Environment::equivalentTo(const Environment &Other, @@ -788,27 +787,16 @@ Environment Environment::join(const Environment &EnvA, const Environment &EnvB, JoinedEnv.LocForRecordReturnVal = EnvA.LocForRecordReturnVal; JoinedEnv.ThisPointeeLoc = EnvA.ThisPointeeLoc; - if (EnvA.ReturnVal == nullptr || EnvB.ReturnVal == nullptr) { - // `ReturnVal` might not always get set -- for example if we have a return - // statement of the form `return some_other_func()` and we decide not to - // analyze `some_other_func()`. - // In this case, we can't say anything about the joined return value -- we - // don't simply want to propagate the return value that we do have, because - // it might not be the correct one. - // This occurs for example in the test `ContextSensitiveMutualRecursion`. + if (EnvA.CallStack.empty()) { JoinedEnv.ReturnVal = nullptr; - } else if (areEquivalentValues(*EnvA.ReturnVal, *EnvB.ReturnVal)) { - JoinedEnv.ReturnVal = EnvA.ReturnVal; } else { - assert(!EnvA.CallStack.empty()); // FIXME: Make `CallStack` a vector of `FunctionDecl` so we don't need this // cast. auto *Func = dyn_cast(EnvA.CallStack.back()); assert(Func != nullptr); - if (Value *JoinedVal = - joinDistinctValues(Func->getReturnType(), *EnvA.ReturnVal, EnvA, - *EnvB.ReturnVal, EnvB, JoinedEnv, Model)) - JoinedEnv.ReturnVal = JoinedVal; + JoinedEnv.ReturnVal = + joinValues(Func->getReturnType(), EnvA.ReturnVal, EnvA, EnvB.ReturnVal, + EnvB, JoinedEnv, Model); } if (EnvA.ReturnLoc == EnvB.ReturnLoc) @@ -834,6 +822,24 @@ Environment Environment::join(const Environment &EnvA, const Environment &EnvB, return JoinedEnv; } +Value *Environment::joinValues(QualType Ty, Value *Val1, + const Environment &Env1, Value *Val2, + const Environment &Env2, Environment &JoinedEnv, + Environment::ValueModel &Model) { + if (Val1 == nullptr || Val2 == nullptr) + // We can't say anything about the joined value -- even if one of the values + // is non-null, we don't want to simply propagate it, because it would be + // too specific: Because the other value is null, that means we have no + // information at all about the value (i.e. the value is unconstrained). + return nullptr; + + if (areEquivalentValues(*Val1, *Val2)) + // Arbitrarily return one of the two values. + return Val1; + + return joinDistinctValues(Ty, *Val1, Env1, *Val2, Env2, JoinedEnv, Model); +} + StorageLocation &Environment::createStorageLocation(QualType Type) { return DACtx->createStorageLocation(Type); } @@ -926,24 +932,23 @@ void Environment::initializeFieldsWithValues(RecordStorageLocation &Loc, } void Environment::setValue(const StorageLocation &Loc, Value &Val) { - assert(!isa(&Val) || &cast(&Val)->getLoc() == &Loc); - + // Records should not be associated with values. + assert(!isa(Loc)); LocToVal[&Loc] = &Val; } void Environment::setValue(const Expr &E, Value &Val) { const Expr &CanonE = ignoreCFGOmittedNodes(E); - if (auto *RecordVal = dyn_cast(&Val)) { - assert(&RecordVal->getLoc() == &getResultObjectLocation(CanonE)); - (void)RecordVal; - } - assert(CanonE.isPRValue()); + // Records should not be associated with values. + assert(!CanonE.getType()->isRecordType()); ExprToVal[&CanonE] = &Val; } Value *Environment::getValue(const StorageLocation &Loc) const { + // Records should not be associated with values. + assert(!isa(Loc)); return LocToVal.lookup(&Loc); } @@ -955,6 +960,9 @@ Value *Environment::getValue(const ValueDecl &D) const { } Value *Environment::getValue(const Expr &E) const { + // Records should not be associated with values. + assert(!E.getType()->isRecordType()); + if (E.isPRValue()) { auto It = ExprToVal.find(&ignoreCFGOmittedNodes(E)); return It == ExprToVal.end() ? nullptr : It->second; @@ -983,6 +991,7 @@ Value *Environment::createValueUnlessSelfReferential( int &CreatedValuesCount) { assert(!Type.isNull()); assert(!Type->isReferenceType()); + assert(!Type->isRecordType()); // Allow unlimited fields at depth 1; only cap at deeper nesting levels. if ((Depth > 1 && CreatedValuesCount > MaxCompositeValueSize) || @@ -1011,15 +1020,6 @@ Value *Environment::createValueUnlessSelfReferential( return &arena().create(PointeeLoc); } - if (Type->isRecordType()) { - CreatedValuesCount++; - auto &Loc = cast(createStorageLocation(Type)); - initializeFieldsWithValues(Loc, Loc.getType(), Visited, Depth, - CreatedValuesCount); - - return &refreshRecordValue(Loc, *this); - } - return nullptr; } @@ -1029,20 +1029,23 @@ Environment::createLocAndMaybeValue(QualType Ty, int Depth, int &CreatedValuesCount) { if (!Visited.insert(Ty.getCanonicalType()).second) return createStorageLocation(Ty.getNonReferenceType()); - Value *Val = createValueUnlessSelfReferential( - Ty.getNonReferenceType(), Visited, Depth, CreatedValuesCount); - Visited.erase(Ty.getCanonicalType()); + auto EraseVisited = llvm::make_scope_exit( + [&Visited, Ty] { Visited.erase(Ty.getCanonicalType()); }); Ty = Ty.getNonReferenceType(); - if (Val == nullptr) - return createStorageLocation(Ty); - - if (Ty->isRecordType()) - return cast(Val)->getLoc(); + if (Ty->isRecordType()) { + auto &Loc = cast(createStorageLocation(Ty)); + initializeFieldsWithValues(Loc, Ty, Visited, Depth, CreatedValuesCount); + return Loc; + } StorageLocation &Loc = createStorageLocation(Ty); - setValue(Loc, *Val); + + if (Value *Val = createValueUnlessSelfReferential(Ty, Visited, Depth, + CreatedValuesCount)) + setValue(Loc, *Val); + return Loc; } @@ -1054,10 +1057,11 @@ void Environment::initializeFieldsWithValues(RecordStorageLocation &Loc, auto initField = [&](QualType FieldType, StorageLocation &FieldLoc) { if (FieldType->isRecordType()) { auto &FieldRecordLoc = cast(FieldLoc); - setValue(FieldRecordLoc, create(FieldRecordLoc)); initializeFieldsWithValues(FieldRecordLoc, FieldRecordLoc.getType(), Visited, Depth + 1, CreatedValuesCount); } else { + if (getValue(FieldLoc) != nullptr) + return; if (!Visited.insert(FieldType.getCanonicalType()).second) return; if (Value *Val = createValueUnlessSelfReferential( @@ -1098,7 +1102,7 @@ StorageLocation &Environment::createObjectInternal(const ValueDecl *D, // be null. if (InitExpr) { if (auto *InitExprLoc = getStorageLocation(*InitExpr)) - return *InitExprLoc; + return *InitExprLoc; } // Even though we have an initializer, we might not get an @@ -1115,7 +1119,6 @@ StorageLocation &Environment::createObjectInternal(const ValueDecl *D, auto &RecordLoc = cast(Loc); if (!InitExpr) initializeFieldsWithValues(RecordLoc); - refreshRecordValue(RecordLoc, *this); } else { Value *Val = nullptr; if (InitExpr) @@ -1207,9 +1210,7 @@ void Environment::dump(raw_ostream &OS) const { DACtx->dumpFlowCondition(FlowConditionToken, OS); } -void Environment::dump() const { - dump(llvm::dbgs()); -} +void Environment::dump() const { dump(llvm::dbgs()); } Environment::PrValueToResultObject Environment::buildResultObjectMap( DataflowAnalysisContext *DACtx, const FunctionDecl *FuncDecl, @@ -1254,25 +1255,5 @@ RecordStorageLocation *getBaseObjectLocation(const MemberExpr &ME, return Env.get(*Base); } -RecordValue &refreshRecordValue(RecordStorageLocation &Loc, Environment &Env) { - auto &NewVal = Env.create(Loc); - Env.setValue(Loc, NewVal); - return NewVal; -} - -RecordValue &refreshRecordValue(const Expr &Expr, Environment &Env) { - assert(Expr.getType()->isRecordType()); - - if (Expr.isPRValue()) - refreshRecordValue(Env.getResultObjectLocation(Expr), Env); - - if (auto *Loc = Env.get(Expr)) - refreshRecordValue(*Loc, Env); - - auto &NewVal = *cast(Env.createValue(Expr.getType())); - Env.setStorageLocation(Expr, NewVal.getLoc()); - return NewVal; -} - } // namespace dataflow } // namespace clang diff --git a/clang/lib/Analysis/FlowSensitive/DebugSupport.cpp b/clang/lib/Analysis/FlowSensitive/DebugSupport.cpp index 573c4b1d474bf474a0fe699222927de0bdf57eb9..d40aab7a7f10359e3bed23793d7298294f1ca00c 100644 --- a/clang/lib/Analysis/FlowSensitive/DebugSupport.cpp +++ b/clang/lib/Analysis/FlowSensitive/DebugSupport.cpp @@ -28,8 +28,6 @@ llvm::StringRef debugString(Value::Kind Kind) { return "Integer"; case Value::Kind::Pointer: return "Pointer"; - case Value::Kind::Record: - return "Record"; case Value::Kind::AtomicBool: return "AtomicBool"; case Value::Kind::TopBool: diff --git a/clang/lib/Analysis/FlowSensitive/HTMLLogger.cpp b/clang/lib/Analysis/FlowSensitive/HTMLLogger.cpp index 397a8d87e114d7a90214f4bad99fb307ee605d3b..a36cb41a63dfb152527e01f163e47b2f662ba7c6 100644 --- a/clang/lib/Analysis/FlowSensitive/HTMLLogger.cpp +++ b/clang/lib/Analysis/FlowSensitive/HTMLLogger.cpp @@ -95,7 +95,6 @@ public: switch (V.getKind()) { case Value::Kind::Integer: - case Value::Kind::Record: case Value::Kind::TopBool: case Value::Kind::AtomicBool: case Value::Kind::FormulaBool: @@ -126,8 +125,9 @@ public: return; JOS.attribute("type", L.getType().getAsString()); - if (auto *V = Env.getValue(L)) - dump(*V); + if (!L.getType()->isRecordType()) + if (auto *V = Env.getValue(L)) + dump(*V); if (auto *RLoc = dyn_cast(&L)) { for (const auto &Child : RLoc->children()) @@ -281,9 +281,10 @@ public: Iters.back().Block->Elements[ElementIndex - 1].getAs(); if (const Expr *E = S ? llvm::dyn_cast(S->getStmt()) : nullptr) { if (E->isPRValue()) { - if (auto *V = State.Env.getValue(*E)) - JOS.attributeObject( - "value", [&] { ModelDumper(JOS, State.Env).dump(*V); }); + if (!E->getType()->isRecordType()) + if (auto *V = State.Env.getValue(*E)) + JOS.attributeObject( + "value", [&] { ModelDumper(JOS, State.Env).dump(*V); }); } else { if (auto *Loc = State.Env.getStorageLocation(*E)) JOS.attributeObject( diff --git a/clang/lib/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.cpp b/clang/lib/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.cpp index cadb1ceb2d850733829a9d18e1a0ddef67e80946..0707aa662e4cc2756135742cb17e4a2509ff3173 100644 --- a/clang/lib/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.cpp +++ b/clang/lib/Analysis/FlowSensitive/Models/UncheckedOptionalAccessModel.cpp @@ -339,17 +339,6 @@ void setHasValue(RecordStorageLocation &OptionalLoc, BoolValue &HasValueVal, Env.setValue(locForHasValue(OptionalLoc), HasValueVal); } -/// Creates a symbolic value for an `optional` value at an existing storage -/// location. Uses `HasValueVal` as the symbolic value of the "has_value" -/// property. -RecordValue &createOptionalValue(RecordStorageLocation &Loc, - BoolValue &HasValueVal, Environment &Env) { - auto &OptionalVal = Env.create(Loc); - Env.setValue(Loc, OptionalVal); - setHasValue(Loc, HasValueVal, Env); - return OptionalVal; -} - /// Returns the symbolic value that represents the "has_value" property of the /// optional at `OptionalLoc`. Returns null if `OptionalLoc` is null. BoolValue *getHasValue(Environment &Env, RecordStorageLocation *OptionalLoc) { @@ -413,9 +402,8 @@ void transferArrowOpCall(const Expr *UnwrapExpr, const Expr *ObjectExpr, void transferMakeOptionalCall(const CallExpr *E, const MatchFinder::MatchResult &, LatticeTransferState &State) { - State.Env.setValue( - *E, createOptionalValue(State.Env.getResultObjectLocation(*E), - State.Env.getBoolLiteralValue(true), State.Env)); + setHasValue(State.Env.getResultObjectLocation(*E), + State.Env.getBoolLiteralValue(true), State.Env); } void transferOptionalHasValueCall(const CXXMemberCallExpr *CallExpr, @@ -483,9 +471,6 @@ void transferValueOrNotEqX(const Expr *ComparisonExpr, void transferCallReturningOptional(const CallExpr *E, const MatchFinder::MatchResult &Result, LatticeTransferState &State) { - if (State.Env.getValue(*E) != nullptr) - return; - RecordStorageLocation *Loc = nullptr; if (E->isPRValue()) { Loc = &State.Env.getResultObjectLocation(*E); @@ -497,16 +482,16 @@ void transferCallReturningOptional(const CallExpr *E, } } - RecordValue &Val = - createOptionalValue(*Loc, State.Env.makeAtomicBoolValue(), State.Env); - if (E->isPRValue()) - State.Env.setValue(*E, Val); + if (State.Env.getValue(locForHasValue(*Loc)) != nullptr) + return; + + setHasValue(*Loc, State.Env.makeAtomicBoolValue(), State.Env); } void constructOptionalValue(const Expr &E, Environment &Env, BoolValue &HasValueVal) { RecordStorageLocation &Loc = Env.getResultObjectLocation(E); - Env.setValue(E, createOptionalValue(Loc, HasValueVal, Env)); + setHasValue(Loc, HasValueVal, Env); } /// Returns a symbolic value for the "has_value" property of an `optional` @@ -555,7 +540,7 @@ void transferAssignment(const CXXOperatorCallExpr *E, BoolValue &HasValueVal, assert(E->getNumArgs() > 0); if (auto *Loc = State.Env.get(*E->getArg(0))) { - createOptionalValue(*Loc, HasValueVal, State.Env); + setHasValue(*Loc, HasValueVal, State.Env); // Assign a storage location for the whole expression. State.Env.setStorageLocation(*E, *Loc); @@ -587,11 +572,11 @@ void transferSwap(RecordStorageLocation *Loc1, RecordStorageLocation *Loc2, if (Loc1 == nullptr) { if (Loc2 != nullptr) - createOptionalValue(*Loc2, Env.makeAtomicBoolValue(), Env); + setHasValue(*Loc2, Env.makeAtomicBoolValue(), Env); return; } if (Loc2 == nullptr) { - createOptionalValue(*Loc1, Env.makeAtomicBoolValue(), Env); + setHasValue(*Loc1, Env.makeAtomicBoolValue(), Env); return; } @@ -609,8 +594,8 @@ void transferSwap(RecordStorageLocation *Loc1, RecordStorageLocation *Loc2, if (BoolVal2 == nullptr) BoolVal2 = &Env.makeAtomicBoolValue(); - createOptionalValue(*Loc1, *BoolVal2, Env); - createOptionalValue(*Loc2, *BoolVal1, Env); + setHasValue(*Loc1, *BoolVal2, Env); + setHasValue(*Loc2, *BoolVal1, Env); } void transferSwapCall(const CXXMemberCallExpr *E, @@ -806,8 +791,7 @@ auto buildTransferMatchSwitch() { LatticeTransferState &State) { if (RecordStorageLocation *Loc = getImplicitObjectLocation(*E, State.Env)) { - createOptionalValue(*Loc, State.Env.getBoolLiteralValue(true), - State.Env); + setHasValue(*Loc, State.Env.getBoolLiteralValue(true), State.Env); } }) @@ -818,8 +802,8 @@ auto buildTransferMatchSwitch() { LatticeTransferState &State) { if (RecordStorageLocation *Loc = getImplicitObjectLocation(*E, State.Env)) { - createOptionalValue(*Loc, State.Env.getBoolLiteralValue(false), - State.Env); + setHasValue(*Loc, State.Env.getBoolLiteralValue(false), + State.Env); } }) diff --git a/clang/lib/Analysis/FlowSensitive/RecordOps.cpp b/clang/lib/Analysis/FlowSensitive/RecordOps.cpp index 2f0b0e5c5640c342710762b5794e186ae72d8f12..b8401230a83d4370b2ee47e42e2f64913bd7673d 100644 --- a/clang/lib/Analysis/FlowSensitive/RecordOps.cpp +++ b/clang/lib/Analysis/FlowSensitive/RecordOps.cpp @@ -83,9 +83,6 @@ void copyRecord(RecordStorageLocation &Src, RecordStorageLocation &Dst, copySyntheticField(SrcFieldLoc->getType(), *SrcFieldLoc, Dst.getSyntheticField(Name), Env); } - - RecordValue *DstVal = &Env.create(Dst); - Env.setValue(Dst, *DstVal); } bool recordsEqual(const RecordStorageLocation &Loc1, const Environment &Env1, diff --git a/clang/lib/Analysis/FlowSensitive/Transfer.cpp b/clang/lib/Analysis/FlowSensitive/Transfer.cpp index 1e034771014eaaa760a1ca516f5fa56ad6fecf1d..fd224aeb79b15109c783484855809b8d963c05a9 100644 --- a/clang/lib/Analysis/FlowSensitive/Transfer.cpp +++ b/clang/lib/Analysis/FlowSensitive/Transfer.cpp @@ -41,7 +41,11 @@ namespace dataflow { const Environment *StmtToEnvMap::getEnvironment(const Stmt &S) const { auto BlockIt = ACFG.getStmtToBlock().find(&ignoreCFGOmittedNodes(S)); - assert(BlockIt != ACFG.getStmtToBlock().end()); + if (BlockIt == ACFG.getStmtToBlock().end()) { + assert(false); + // Return null to avoid dereferencing the end iterator in non-assert builds. + return nullptr; + } if (!ACFG.isBlockReachable(*BlockIt->getSecond())) return nullptr; if (BlockIt->getSecond()->getBlockID() == CurBlockID) @@ -96,6 +100,8 @@ static Value *maybeUnpackLValueExpr(const Expr &E, Environment &Env) { } static void propagateValue(const Expr &From, const Expr &To, Environment &Env) { + if (From.getType()->isRecordType()) + return; if (auto *Val = Env.getValue(From)) Env.setValue(To, *Val); } @@ -122,8 +128,9 @@ namespace { class TransferVisitor : public ConstStmtVisitor { public: - TransferVisitor(const StmtToEnvMap &StmtToEnv, Environment &Env) - : StmtToEnv(StmtToEnv), Env(Env) {} + TransferVisitor(const StmtToEnvMap &StmtToEnv, Environment &Env, + Environment::ValueModel &Model) + : StmtToEnv(StmtToEnv), Env(Env), Model(Model) {} void VisitBinaryOperator(const BinaryOperator *S) { const Expr *LHS = S->getLHS(); @@ -403,6 +410,9 @@ public: return; if (Ret->isPRValue()) { + if (Ret->getType()->isRecordType()) + return; + auto *Val = Env.getValue(*Ret); if (Val == nullptr) return; @@ -457,15 +467,9 @@ public: assert(ArgExpr != nullptr); propagateValueOrStorageLocation(*ArgExpr, *S, Env); - // If this is a prvalue of record type, we consider it to be an "original - // record constructor", which we always require to have a `RecordValue`. - // So make sure we have a value if we didn't propagate one above. if (S->isPRValue() && S->getType()->isRecordType()) { - if (Env.getValue(*S) == nullptr) { - auto &Loc = Env.getResultObjectLocation(*S); - Env.initializeFieldsWithValues(Loc); - refreshRecordValue(Loc, Env); - } + auto &Loc = Env.getResultObjectLocation(*S); + Env.initializeFieldsWithValues(Loc); } } @@ -495,7 +499,6 @@ public: } RecordStorageLocation &Loc = Env.getResultObjectLocation(*S); - Env.setValue(*S, refreshRecordValue(Loc, Env)); if (ConstructorDecl->isCopyOrMoveConstructor()) { // It is permissible for a copy/move constructor to have additional @@ -542,8 +545,7 @@ public: RecordStorageLocation *LocSrc = nullptr; if (Arg1->isPRValue()) { - if (auto *Val = Env.get(*Arg1)) - LocSrc = &Val->getLoc(); + LocSrc = &Env.getResultObjectLocation(*Arg1); } else { LocSrc = Env.get(*Arg1); } @@ -575,15 +577,6 @@ public: propagateValue(*RBO->getSemanticForm(), *RBO, Env); } - void VisitCXXFunctionalCastExpr(const CXXFunctionalCastExpr *S) { - if (S->getCastKind() == CK_ConstructorConversion) { - const Expr *SubExpr = S->getSubExpr(); - assert(SubExpr != nullptr); - - propagateValue(*SubExpr, *S, Env); - } - } - void VisitCallExpr(const CallExpr *S) { // Of clang's builtins, only `__builtin_expect` is handled explicitly, since // others (like trap, debugtrap, and unreachable) are handled by CFG @@ -613,12 +606,10 @@ public: // If this call produces a prvalue of record type, initialize its fields // with values. - if (S->getType()->isRecordType() && S->isPRValue()) - if (Env.getValue(*S) == nullptr) { - RecordStorageLocation &Loc = Env.getResultObjectLocation(*S); - Env.initializeFieldsWithValues(Loc); - Env.setValue(*S, refreshRecordValue(Loc, Env)); - } + if (S->getType()->isRecordType() && S->isPRValue()) { + RecordStorageLocation &Loc = Env.getResultObjectLocation(*S); + Env.initializeFieldsWithValues(Loc); + } } } @@ -626,18 +617,16 @@ public: const Expr *SubExpr = S->getSubExpr(); assert(SubExpr != nullptr); - Value *SubExprVal = Env.getValue(*SubExpr); - if (SubExprVal == nullptr) - return; + StorageLocation &Loc = Env.createStorageLocation(*S); + Env.setStorageLocation(*S, Loc); - if (RecordValue *RecordVal = dyn_cast(SubExprVal)) { - Env.setStorageLocation(*S, RecordVal->getLoc()); + if (SubExpr->getType()->isRecordType()) + // Nothing else left to do -- we initialized the record when transferring + // `SubExpr`. return; - } - StorageLocation &Loc = Env.createStorageLocation(*S); - Env.setValue(Loc, *SubExprVal); - Env.setStorageLocation(*S, Loc); + if (Value *SubExprVal = Env.getValue(*SubExpr)) + Env.setValue(Loc, *SubExprVal); } void VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *S) { @@ -657,17 +646,42 @@ public: } void VisitConditionalOperator(const ConditionalOperator *S) { - // FIXME: Revisit this once flow conditions are added to the framework. For - // `a = b ? c : d` we can add `b => a == c && !b => a == d` to the flow - // condition. - // When we do this, we will need to retrieve the values of the operands from - // the environments for the basic blocks they are computed in, in a similar - // way to how this is done for short-circuited logical operators in - // `getLogicOperatorSubExprValue()`. - if (S->isGLValue()) - Env.setStorageLocation(*S, Env.createObject(S->getType())); - else if (!S->getType()->isRecordType()) { - if (Value *Val = Env.createValue(S->getType())) + const Environment *TrueEnv = StmtToEnv.getEnvironment(*S->getTrueExpr()); + const Environment *FalseEnv = StmtToEnv.getEnvironment(*S->getFalseExpr()); + + if (TrueEnv == nullptr || FalseEnv == nullptr) { + // If the true or false branch is dead, we may not have an environment for + // it. We could handle this specifically by forwarding the value or + // location of the live branch, but this case is rare enough that this + // probably isn't worth the additional complexity. + return; + } + + if (S->isGLValue()) { + StorageLocation *TrueLoc = TrueEnv->getStorageLocation(*S->getTrueExpr()); + StorageLocation *FalseLoc = + FalseEnv->getStorageLocation(*S->getFalseExpr()); + if (TrueLoc == FalseLoc && TrueLoc != nullptr) + Env.setStorageLocation(*S, *TrueLoc); + } else if (!S->getType()->isRecordType()) { + // The conditional operator can evaluate to either of the values of the + // two branches. To model this, join these two values together to yield + // the result of the conditional operator. + // Note: Most joins happen in `computeBlockInputState()`, but this case is + // different: + // - `computeBlockInputState()` (which in turn calls `Environment::join()` + // joins values associated with the _same_ expression or storage + // location, then associates the joined value with that expression or + // storage location. This join has nothing to do with transfer -- + // instead, it joins together the results of performing transfer on two + // different blocks. + // - Here, we join values associated with _different_ expressions (the + // true and false branch), then associate the joined value with a third + // expression (the conditional operator itself). This join is what it + // means to perform transfer on the conditional operator. + if (Value *Val = Environment::joinValues( + S->getType(), TrueEnv->getValue(*S->getTrueExpr()), *TrueEnv, + FalseEnv->getValue(*S->getFalseExpr()), *FalseEnv, Env, Model)) Env.setValue(*S, *Val); } } @@ -683,15 +697,11 @@ public: return; } - // In case the initializer list is transparent, we just need to propagate - // the value that it contains. - if (S->isSemanticForm() && S->isTransparent()) { - propagateValue(*S->getInit(0), *S, Env); + // If the initializer list is transparent, there's nothing to do. + if (S->isSemanticForm() && S->isTransparent()) return; - } RecordStorageLocation &Loc = Env.getResultObjectLocation(*S); - Env.setValue(*S, refreshRecordValue(Loc, Env)); // Initialization of base classes and fields of record type happens when we // visit the nested `CXXConstructExpr` or `InitListExpr` for that base class @@ -830,12 +840,14 @@ private: const StmtToEnvMap &StmtToEnv; Environment &Env; + Environment::ValueModel &Model; }; } // namespace -void transfer(const StmtToEnvMap &StmtToEnv, const Stmt &S, Environment &Env) { - TransferVisitor(StmtToEnv, Env).Visit(&S); +void transfer(const StmtToEnvMap &StmtToEnv, const Stmt &S, Environment &Env, + Environment::ValueModel &Model) { + TransferVisitor(StmtToEnv, Env, Model).Visit(&S); } } // namespace dataflow diff --git a/clang/lib/Analysis/FlowSensitive/TypeErasedDataflowAnalysis.cpp b/clang/lib/Analysis/FlowSensitive/TypeErasedDataflowAnalysis.cpp index 1b73c5d6830161070d66fa4c76614e4ab90d82a1..12eff4dd4b781d8acf3f64b477b5ee52a1d25d07 100644 --- a/clang/lib/Analysis/FlowSensitive/TypeErasedDataflowAnalysis.cpp +++ b/clang/lib/Analysis/FlowSensitive/TypeErasedDataflowAnalysis.cpp @@ -316,7 +316,7 @@ builtinTransferStatement(unsigned CurBlockID, const CFGStmt &Elt, const Stmt *S = Elt.getStmt(); assert(S != nullptr); transfer(StmtToEnvMap(AC.ACFG, AC.BlockStates, CurBlockID, InputState), *S, - InputState.Env); + InputState.Env, AC.Analysis); } /// Built-in transfer function for `CFGInitializer`. @@ -367,11 +367,11 @@ builtinTransferInitializer(const CFGInitializer &Elt, return; ParentLoc->setChild(*Member, InitExprLoc); - } else if (auto *InitExprVal = Env.getValue(*InitExpr)) { - assert(MemberLoc != nullptr); // Record-type initializers construct themselves directly into the result // object, so there is no need to handle them here. - if (!Member->getType()->isRecordType()) + } else if (!Member->getType()->isRecordType()) { + assert(MemberLoc != nullptr); + if (auto *InitExprVal = Env.getValue(*InitExpr)) Env.setValue(*MemberLoc, *InitExprVal); } } @@ -452,7 +452,7 @@ transferCFGBlock(const CFGBlock &Block, AnalysisContext &AC, // terminator condition, but not as a `CFGElement`. The condition of an if // statement is one such example. transfer(StmtToEnvMap(AC.ACFG, AC.BlockStates, Block.getBlockID(), State), - *TerminatorCond, State.Env); + *TerminatorCond, State.Env, AC.Analysis); // If the transfer function didn't produce a value, create an atom so that // we have *some* value for the condition expression. This ensures that diff --git a/clang/lib/Analysis/FlowSensitive/Value.cpp b/clang/lib/Analysis/FlowSensitive/Value.cpp index 7fad6deb0e918fa4a5b1e5a5fed5b4dec9bed3ad..d70e5a82ea2327e8d6f02bcf352a703426647509 100644 --- a/clang/lib/Analysis/FlowSensitive/Value.cpp +++ b/clang/lib/Analysis/FlowSensitive/Value.cpp @@ -46,8 +46,6 @@ raw_ostream &operator<<(raw_ostream &OS, const Value &Val) { return OS << "Integer(@" << &Val << ")"; case Value::Kind::Pointer: return OS << "Pointer(" << &cast(Val).getPointeeLoc() << ")"; - case Value::Kind::Record: - return OS << "Record(" << &cast(Val).getLoc() << ")"; case Value::Kind::TopBool: return OS << "TopBool(" << cast(Val).getAtom() << ")"; case Value::Kind::AtomicBool: diff --git a/clang/lib/Analysis/UninitializedValues.cpp b/clang/lib/Analysis/UninitializedValues.cpp index e9111ded64eb1f8b46969bd5b1986f1f16e1839e..bf2f7306186507eb825bde3f974b71c3bf01fb09 100644 --- a/clang/lib/Analysis/UninitializedValues.cpp +++ b/clang/lib/Analysis/UninitializedValues.cpp @@ -44,7 +44,7 @@ static bool recordIsNotEmpty(const RecordDecl *RD) { // We consider a record decl to be empty if it contains only unnamed bit- // fields, zero-width fields, and fields of empty record type. for (const auto *FD : RD->fields()) { - if (FD->isUnnamedBitfield()) + if (FD->isUnnamedBitField()) continue; if (FD->isZeroSize(FD->getASTContext())) continue; diff --git a/clang/lib/Basic/FileManager.cpp b/clang/lib/Basic/FileManager.cpp index cd520a6375e07e5f0629dfeb0843f5d02d02444b..143c04309d0753d114c36120c689e4e6b7e36489 100644 --- a/clang/lib/Basic/FileManager.cpp +++ b/clang/lib/Basic/FileManager.cpp @@ -39,12 +39,6 @@ using namespace clang; #define DEBUG_TYPE "file-search" -ALWAYS_ENABLED_STATISTIC(NumDirLookups, "Number of directory lookups."); -ALWAYS_ENABLED_STATISTIC(NumFileLookups, "Number of file lookups."); -ALWAYS_ENABLED_STATISTIC(NumDirCacheMisses, - "Number of directory cache misses."); -ALWAYS_ENABLED_STATISTIC(NumFileCacheMisses, "Number of file cache misses."); - //===----------------------------------------------------------------------===// // Common logic. //===----------------------------------------------------------------------===// @@ -656,6 +650,14 @@ StringRef FileManager::getCanonicalName(const void *Entry, StringRef Name) { return CanonicalName; } +void FileManager::AddStats(const FileManager &Other) { + assert(&Other != this && "Collecting stats into the same FileManager"); + NumDirLookups += Other.NumDirLookups; + NumFileLookups += Other.NumFileLookups; + NumDirCacheMisses += Other.NumDirCacheMisses; + NumFileCacheMisses += Other.NumFileCacheMisses; +} + void FileManager::PrintStats() const { llvm::errs() << "\n*** File Manager Stats:\n"; llvm::errs() << UniqueRealFiles.size() << " real files found, " diff --git a/clang/lib/Basic/Targets/ARM.h b/clang/lib/Basic/Targets/ARM.h index e69adbe754739f66f6084b252661404bf96b892b..df9855a52e61c0fd38520675f06e5cbac3dd9433 100644 --- a/clang/lib/Basic/Targets/ARM.h +++ b/clang/lib/Basic/Targets/ARM.h @@ -225,6 +225,10 @@ public: bool hasBitIntType() const override { return true; } const char *getBFloat16Mangling() const override { return "u6__bf16"; }; + + std::pair hardwareInterferenceSizes() const override { + return std::make_pair(getTriple().isArch64Bit() ? 256 : 64, 64); + } }; class LLVM_LIBRARY_VISIBILITY ARMleTargetInfo : public ARMTargetInfo { diff --git a/clang/lib/Basic/Targets/AVR.h b/clang/lib/Basic/Targets/AVR.h index 9376c46cd98ca120f7797efe434580c07769d371..feeb04f37eeba7b6ad0ed0c89800670519dfd367 100644 --- a/clang/lib/Basic/Targets/AVR.h +++ b/clang/lib/Basic/Targets/AVR.h @@ -175,6 +175,10 @@ public: std::optional handleAsmEscapedChar(char EscChar) const override; StringRef getABI() const override { return ABI; } + std::pair hardwareInterferenceSizes() const override { + return std::make_pair(32, 32); + } + protected: std::string CPU; StringRef ABI; diff --git a/clang/lib/Basic/Targets/BPF.h b/clang/lib/Basic/Targets/BPF.h index 489f29fc4fead37246c96467d6beeab167c7da49..d19b37dd4df7a7d2cbf42b4321079a8d5ca9f8aa 100644 --- a/clang/lib/Basic/Targets/BPF.h +++ b/clang/lib/Basic/Targets/BPF.h @@ -113,6 +113,10 @@ public: StringRef CPUName(Name); return isValidCPUName(CPUName); } + + std::pair hardwareInterferenceSizes() const override { + return std::make_pair(32, 32); + } }; } // namespace targets } // namespace clang diff --git a/clang/lib/Basic/Targets/M68k.h b/clang/lib/Basic/Targets/M68k.h index 7ffa901127e504046908f0ce659a2b0bc4d2c89c..b732add77e0340150a7f4bce7c92421af7d12fcc 100644 --- a/clang/lib/Basic/Targets/M68k.h +++ b/clang/lib/Basic/Targets/M68k.h @@ -56,6 +56,10 @@ public: BuiltinVaListKind getBuiltinVaListKind() const override; bool setCPU(const std::string &Name) override; CallingConvCheckResult checkCallingConvention(CallingConv CC) const override; + + std::pair hardwareInterferenceSizes() const override { + return std::make_pair(32, 32); + } }; } // namespace targets diff --git a/clang/lib/Basic/Targets/Mips.h b/clang/lib/Basic/Targets/Mips.h index 0d6e4b4d0808906ba38020878c7e952ee1cf3346..730deb674aa5795af5e41df7d1382095900e3788 100644 --- a/clang/lib/Basic/Targets/Mips.h +++ b/clang/lib/Basic/Targets/Mips.h @@ -431,6 +431,10 @@ public: bool validateTarget(DiagnosticsEngine &Diags) const override; bool hasBitIntType() const override { return true; } + + std::pair hardwareInterferenceSizes() const override { + return std::make_pair(32, 32); + } }; } // namespace targets } // namespace clang diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp index aebe51bfa4daadb72abee05249dee005aef6b299..d62a7457682eaf2057217b6f48a537a5368cf667 100644 --- a/clang/lib/Basic/Targets/PPC.cpp +++ b/clang/lib/Basic/Targets/PPC.cpp @@ -79,6 +79,8 @@ bool PPCTargetInfo::handleTargetFeatures(std::vector &Features, HasPrivileged = true; } else if (Feature == "+aix-small-local-exec-tls") { HasAIXSmallLocalExecTLS = true; + } else if (Feature == "+aix-small-local-dynamic-tls") { + HasAIXSmallLocalDynamicTLS = true; } else if (Feature == "+isa-v206-instructions") { IsISA2_06 = true; } else if (Feature == "+isa-v207-instructions") { @@ -573,9 +575,10 @@ bool PPCTargetInfo::initFeatureMap( // Privileged instructions are off by default. Features["privileged"] = false; - // The code generated by the -maix-small-local-exec-tls option is turned - // off by default. + // The code generated by the -maix-small-local-[exec|dynamic]-tls option is + // turned off by default. Features["aix-small-local-exec-tls"] = false; + Features["aix-small-local-dynamic-tls"] = false; Features["spe"] = llvm::StringSwitch(CPU) .Case("8548", true) @@ -713,6 +716,7 @@ bool PPCTargetInfo::hasFeature(StringRef Feature) const { .Case("rop-protect", HasROPProtect) .Case("privileged", HasPrivileged) .Case("aix-small-local-exec-tls", HasAIXSmallLocalExecTLS) + .Case("aix-small-local-dynamic-tls", HasAIXSmallLocalDynamicTLS) .Case("isa-v206-instructions", IsISA2_06) .Case("isa-v207-instructions", IsISA2_07) .Case("isa-v30-instructions", IsISA3_0) diff --git a/clang/lib/Basic/Targets/PPC.h b/clang/lib/Basic/Targets/PPC.h index fa2f442e25846de4ed0386e543a8613a213120b2..cd0f08dfb3bc986bc146d56d701c8b5d8dc2f851 100644 --- a/clang/lib/Basic/Targets/PPC.h +++ b/clang/lib/Basic/Targets/PPC.h @@ -61,6 +61,7 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public TargetInfo { bool HasROPProtect = false; bool HasPrivileged = false; bool HasAIXSmallLocalExecTLS = false; + bool HasAIXSmallLocalDynamicTLS = false; bool HasVSX = false; bool UseCRBits = false; bool HasP8Vector = false; @@ -422,6 +423,10 @@ public: // This is the ELF definition return TargetInfo::PowerABIBuiltinVaList; } + + std::pair hardwareInterferenceSizes() const override { + return std::make_pair(32, 32); + } }; // Note: ABI differences may eventually require us to have a separate @@ -502,6 +507,10 @@ public: return CCCR_Warning; } } + + std::pair hardwareInterferenceSizes() const override { + return std::make_pair(128, 128); + } }; class LLVM_LIBRARY_VISIBILITY AIXPPC32TargetInfo : diff --git a/clang/lib/Basic/Targets/RISCV.h b/clang/lib/Basic/Targets/RISCV.h index 78580b5b1c1063cd5f39f44ca20dbafff121818a..d0e9cdc6da07b3a7310abc11846e30e5d5a60dd2 100644 --- a/clang/lib/Basic/Targets/RISCV.h +++ b/clang/lib/Basic/Targets/RISCV.h @@ -16,7 +16,7 @@ #include "clang/Basic/TargetInfo.h" #include "clang/Basic/TargetOptions.h" #include "llvm/Support/Compiler.h" -#include "llvm/Support/RISCVISAInfo.h" +#include "llvm/TargetParser/RISCVISAInfo.h" #include "llvm/TargetParser/Triple.h" #include @@ -122,6 +122,10 @@ public: void fillValidTuneCPUList(SmallVectorImpl &Values) const override; bool supportsTargetAttributeTune() const override { return true; } ParsedTargetAttr parseTargetAttr(StringRef Str) const override; + + std::pair hardwareInterferenceSizes() const override { + return std::make_pair(32, 32); + } }; class LLVM_LIBRARY_VISIBILITY RISCV32TargetInfo : public RISCVTargetInfo { public: diff --git a/clang/lib/Basic/Targets/Sparc.h b/clang/lib/Basic/Targets/Sparc.h index 214fef88e1dcd4b0a258ab7f85446469c2a83f7b..3357bee33e1ac7cb160f780c891c47886f06eb1d 100644 --- a/clang/lib/Basic/Targets/Sparc.h +++ b/clang/lib/Basic/Targets/Sparc.h @@ -140,6 +140,10 @@ public: CPU = getCPUKind(Name); return CPU != CK_GENERIC; } + + std::pair hardwareInterferenceSizes() const override { + return std::make_pair(32, 32); + } }; // SPARC v8 is the 32-bit mode selected by Triple::sparc. diff --git a/clang/lib/Basic/Targets/SystemZ.h b/clang/lib/Basic/Targets/SystemZ.h index 8e302acd51b8ad1d40e175e65c3e5ab7a2895dc6..73d3aa01a043f423c2259097007f3b117dba9e69 100644 --- a/clang/lib/Basic/Targets/SystemZ.h +++ b/clang/lib/Basic/Targets/SystemZ.h @@ -220,6 +220,10 @@ public: int getEHDataRegisterNumber(unsigned RegNo) const override { return RegNo < 4 ? 6 + RegNo : -1; } + + std::pair hardwareInterferenceSizes() const override { + return std::make_pair(256, 256); + } }; } // namespace targets } // namespace clang diff --git a/clang/lib/Basic/Targets/WebAssembly.cpp b/clang/lib/Basic/Targets/WebAssembly.cpp index f1c925d90cb649f562e54618d92b5c2c7ec57fc3..1f0418b21c1f86ea3814a590c826c044d591a795 100644 --- a/clang/lib/Basic/Targets/WebAssembly.cpp +++ b/clang/lib/Basic/Targets/WebAssembly.cpp @@ -47,6 +47,7 @@ bool WebAssemblyTargetInfo::hasFeature(StringRef Feature) const { return llvm::StringSwitch(Feature) .Case("simd128", SIMDLevel >= SIMD128) .Case("relaxed-simd", SIMDLevel >= RelaxedSIMD) + .Case("half-precision", HasHalfPrecision) .Case("nontrapping-fptoint", HasNontrappingFPToInt) .Case("sign-ext", HasSignExt) .Case("exception-handling", HasExceptionHandling) @@ -99,6 +100,8 @@ void WebAssemblyTargetInfo::getTargetDefines(const LangOptions &Opts, Builder.defineMacro("__wasm_extended_const__"); if (HasMultiMemory) Builder.defineMacro("__wasm_multimemory__"); + if (HasHalfPrecision) + Builder.defineMacro("__wasm_half_precision__"); Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1"); Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2"); @@ -147,19 +150,26 @@ void WebAssemblyTargetInfo::setFeatureEnabled(llvm::StringMap &Features, bool WebAssemblyTargetInfo::initFeatureMap( llvm::StringMap &Features, DiagnosticsEngine &Diags, StringRef CPU, const std::vector &FeaturesVec) const { - if (CPU == "bleeding-edge") { - Features["nontrapping-fptoint"] = true; - Features["sign-ext"] = true; - Features["bulk-memory"] = true; - Features["atomics"] = true; + auto addGenericFeatures = [&]() { + Features["multivalue"] = true; Features["mutable-globals"] = true; - Features["tail-call"] = true; Features["reference-types"] = true; + Features["sign-ext"] = true; + }; + auto addBleedingEdgeFeatures = [&]() { + addGenericFeatures(); + Features["atomics"] = true; + Features["bulk-memory"] = true; Features["multimemory"] = true; + Features["nontrapping-fptoint"] = true; + Features["tail-call"] = true; + Features["half-precision"] = true; setSIMDLevel(Features, SIMD128, true); - } else if (CPU == "generic") { - Features["sign-ext"] = true; - Features["mutable-globals"] = true; + }; + if (CPU == "generic") { + addGenericFeatures(); + } else if (CPU == "bleeding-edge") { + addBleedingEdgeFeatures(); } return TargetInfo::initFeatureMap(Features, Diags, CPU, FeaturesVec); @@ -216,6 +226,15 @@ bool WebAssemblyTargetInfo::handleTargetFeatures( HasBulkMemory = false; continue; } + if (Feature == "+half-precision") { + SIMDLevel = std::max(SIMDLevel, SIMD128); + HasHalfPrecision = true; + continue; + } + if (Feature == "-half-precision") { + HasHalfPrecision = false; + continue; + } if (Feature == "+atomics") { HasAtomics = true; continue; diff --git a/clang/lib/Basic/Targets/WebAssembly.h b/clang/lib/Basic/Targets/WebAssembly.h index 5568aa28eaefa7152637b70f4343937676f2a3d4..e4c18879182ed73f45aa0370c97155bc410aa151 100644 --- a/clang/lib/Basic/Targets/WebAssembly.h +++ b/clang/lib/Basic/Targets/WebAssembly.h @@ -64,6 +64,7 @@ class LLVM_LIBRARY_VISIBILITY WebAssemblyTargetInfo : public TargetInfo { bool HasReferenceTypes = false; bool HasExtendedConst = false; bool HasMultiMemory = false; + bool HasHalfPrecision = false; std::string ABI; diff --git a/clang/lib/CIR/CMakeLists.txt b/clang/lib/CIR/CMakeLists.txt index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..d2ff200e0da5f58fb304607c1fd9e568d6e3d7e2 100644 --- a/clang/lib/CIR/CMakeLists.txt +++ b/clang/lib/CIR/CMakeLists.txt @@ -0,0 +1,4 @@ +include_directories(${LLVM_MAIN_SRC_DIR}/../mlir/include) +include_directories(${CMAKE_BINARY_DIR}/tools/mlir/include) + +add_subdirectory(Dialect) diff --git a/clang/lib/CIR/Dialect/CMakeLists.txt b/clang/lib/CIR/Dialect/CMakeLists.txt new file mode 100644 index 0000000000000000000000000000000000000000..f33061b2d87cffc48b072763eb55d349e9070aba --- /dev/null +++ b/clang/lib/CIR/Dialect/CMakeLists.txt @@ -0,0 +1 @@ +add_subdirectory(IR) diff --git a/clang/lib/CIR/Dialect/IR/CIRDialect.cpp b/clang/lib/CIR/Dialect/IR/CIRDialect.cpp new file mode 100644 index 0000000000000000000000000000000000000000..c2829c3ff2af8cfcf29784ba48b65e3b20ffb142 --- /dev/null +++ b/clang/lib/CIR/Dialect/IR/CIRDialect.cpp @@ -0,0 +1,13 @@ +//===- CIRDialect.cpp - MLIR CIR ops implementation -----------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file implements the CIR dialect and its operations. +// +//===----------------------------------------------------------------------===// + +#include diff --git a/clang/lib/CIR/Dialect/IR/CMakeLists.txt b/clang/lib/CIR/Dialect/IR/CMakeLists.txt new file mode 100644 index 0000000000000000000000000000000000000000..0d7476b555705da5a565cb35427e1838f04ff84a --- /dev/null +++ b/clang/lib/CIR/Dialect/IR/CMakeLists.txt @@ -0,0 +1,3 @@ +add_clang_library(MLIRCIR + CIRDialect.cpp + ) diff --git a/clang/lib/CodeGen/ABIInfoImpl.cpp b/clang/lib/CodeGen/ABIInfoImpl.cpp index 3e34d82cb399ba05f880cc7fd470cfac0af08a8d..eb627a3c043bc567e6dd82501182e0c573bbfa10 100644 --- a/clang/lib/CodeGen/ABIInfoImpl.cpp +++ b/clang/lib/CodeGen/ABIInfoImpl.cpp @@ -157,7 +157,7 @@ llvm::Value *CodeGen::emitRoundPointerUpToAlignment(CodeGenFunction &CGF, llvm::Value *RoundUp = CGF.Builder.CreateConstInBoundsGEP1_32( CGF.Builder.getInt8Ty(), Ptr, Align.getQuantity() - 1); return CGF.Builder.CreateIntrinsic( - llvm::Intrinsic::ptrmask, {CGF.AllocaInt8PtrTy, CGF.IntPtrTy}, + llvm::Intrinsic::ptrmask, {Ptr->getType(), CGF.IntPtrTy}, {RoundUp, llvm::ConstantInt::get(CGF.IntPtrTy, -Align.getQuantity())}, nullptr, Ptr->getName() + ".aligned"); } @@ -247,7 +247,7 @@ Address CodeGen::emitMergePHI(CodeGenFunction &CGF, Address Addr1, bool CodeGen::isEmptyField(ASTContext &Context, const FieldDecl *FD, bool AllowArrays, bool AsIfNoUniqueAddr) { - if (FD->isUnnamedBitfield()) + if (FD->isUnnamedBitField()) return true; QualType FT = FD->getType(); diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp index 6cc00b85664f411f860d40d10d049ce99a37a8cb..22c3f8642ad8ebc28a8f4dc5a119d131478f7bd2 100644 --- a/clang/lib/CodeGen/BackendUtil.cpp +++ b/clang/lib/CodeGen/BackendUtil.cpp @@ -104,6 +104,21 @@ static cl::opt ClSanitizeOnOptimizerEarlyEP( "sanitizer-early-opt-ep", cl::Optional, cl::desc("Insert sanitizers on OptimizerEarlyEP.")); +// Experiment to mark cold functions as optsize/minsize/optnone. +// TODO: remove once this is exposed as a proper driver flag. +static cl::opt ClPGOColdFuncAttr( + "pgo-cold-func-opt", cl::init(PGOOptions::ColdFuncOpt::Default), cl::Hidden, + cl::desc( + "Function attribute to apply to cold functions as determined by PGO"), + cl::values(clEnumValN(PGOOptions::ColdFuncOpt::Default, "default", + "Default (no attribute)"), + clEnumValN(PGOOptions::ColdFuncOpt::OptSize, "optsize", + "Mark cold functions with optsize."), + clEnumValN(PGOOptions::ColdFuncOpt::MinSize, "minsize", + "Mark cold functions with minsize."), + clEnumValN(PGOOptions::ColdFuncOpt::OptNone, "optnone", + "Mark cold functions with optnone."))); + extern cl::opt ProfileCorrelate; // Re-link builtin bitcodes after optimization @@ -768,42 +783,41 @@ void EmitAssemblyHelper::RunOptimizationPipeline( CodeGenOpts.InstrProfileOutput.empty() ? getDefaultProfileGenName() : CodeGenOpts.InstrProfileOutput, "", "", CodeGenOpts.MemoryProfileUsePath, nullptr, PGOOptions::IRInstr, - PGOOptions::NoCSAction, PGOOptions::ColdFuncOpt::Default, + PGOOptions::NoCSAction, ClPGOColdFuncAttr, CodeGenOpts.DebugInfoForProfiling, /*PseudoProbeForProfiling=*/false, CodeGenOpts.AtomicProfileUpdate); else if (CodeGenOpts.hasProfileIRUse()) { // -fprofile-use. auto CSAction = CodeGenOpts.hasProfileCSIRUse() ? PGOOptions::CSIRUse : PGOOptions::NoCSAction; - PGOOpt = PGOOptions( - CodeGenOpts.ProfileInstrumentUsePath, "", - CodeGenOpts.ProfileRemappingFile, CodeGenOpts.MemoryProfileUsePath, VFS, - PGOOptions::IRUse, CSAction, PGOOptions::ColdFuncOpt::Default, - CodeGenOpts.DebugInfoForProfiling); + PGOOpt = PGOOptions(CodeGenOpts.ProfileInstrumentUsePath, "", + CodeGenOpts.ProfileRemappingFile, + CodeGenOpts.MemoryProfileUsePath, VFS, + PGOOptions::IRUse, CSAction, ClPGOColdFuncAttr, + CodeGenOpts.DebugInfoForProfiling); } else if (!CodeGenOpts.SampleProfileFile.empty()) // -fprofile-sample-use PGOOpt = PGOOptions( CodeGenOpts.SampleProfileFile, "", CodeGenOpts.ProfileRemappingFile, CodeGenOpts.MemoryProfileUsePath, VFS, PGOOptions::SampleUse, - PGOOptions::NoCSAction, PGOOptions::ColdFuncOpt::Default, + PGOOptions::NoCSAction, ClPGOColdFuncAttr, CodeGenOpts.DebugInfoForProfiling, CodeGenOpts.PseudoProbeForProfiling); else if (!CodeGenOpts.MemoryProfileUsePath.empty()) // -fmemory-profile-use (without any of the above options) PGOOpt = PGOOptions("", "", "", CodeGenOpts.MemoryProfileUsePath, VFS, PGOOptions::NoAction, PGOOptions::NoCSAction, - PGOOptions::ColdFuncOpt::Default, - CodeGenOpts.DebugInfoForProfiling); + ClPGOColdFuncAttr, CodeGenOpts.DebugInfoForProfiling); else if (CodeGenOpts.PseudoProbeForProfiling) // -fpseudo-probe-for-profiling - PGOOpt = PGOOptions("", "", "", /*MemoryProfile=*/"", nullptr, - PGOOptions::NoAction, PGOOptions::NoCSAction, - PGOOptions::ColdFuncOpt::Default, - CodeGenOpts.DebugInfoForProfiling, true); + PGOOpt = + PGOOptions("", "", "", /*MemoryProfile=*/"", nullptr, + PGOOptions::NoAction, PGOOptions::NoCSAction, + ClPGOColdFuncAttr, CodeGenOpts.DebugInfoForProfiling, true); else if (CodeGenOpts.DebugInfoForProfiling) // -fdebug-info-for-profiling PGOOpt = PGOOptions("", "", "", /*MemoryProfile=*/"", nullptr, PGOOptions::NoAction, PGOOptions::NoCSAction, - PGOOptions::ColdFuncOpt::Default, true); + ClPGOColdFuncAttr, true); // Check to see if we want to generate a CS profile. if (CodeGenOpts.hasProfileCSIRInstr()) { @@ -820,14 +834,13 @@ void EmitAssemblyHelper::RunOptimizationPipeline( : CodeGenOpts.InstrProfileOutput; PGOOpt->CSAction = PGOOptions::CSIRInstr; } else - PGOOpt = - PGOOptions("", - CodeGenOpts.InstrProfileOutput.empty() - ? getDefaultProfileGenName() - : CodeGenOpts.InstrProfileOutput, - "", /*MemoryProfile=*/"", nullptr, PGOOptions::NoAction, - PGOOptions::CSIRInstr, PGOOptions::ColdFuncOpt::Default, - CodeGenOpts.DebugInfoForProfiling); + PGOOpt = PGOOptions("", + CodeGenOpts.InstrProfileOutput.empty() + ? getDefaultProfileGenName() + : CodeGenOpts.InstrProfileOutput, + "", /*MemoryProfile=*/"", nullptr, + PGOOptions::NoAction, PGOOptions::CSIRInstr, + ClPGOColdFuncAttr, CodeGenOpts.DebugInfoForProfiling); } if (TM) TM->setPGOOption(PGOOpt); diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index a05874e63c73c202c87cea797b311dac72b7b24a..a370734e00d3e1cb4dc147d927695d66d279c6f4 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -822,33 +822,37 @@ CodeGenFunction::evaluateOrEmitBuiltinObjectSize(const Expr *E, unsigned Type, return ConstantInt::get(ResType, ObjectSize, /*isSigned=*/true); } -const FieldDecl *CodeGenFunction::FindFlexibleArrayMemberField( - ASTContext &Ctx, const RecordDecl *RD, StringRef Name, uint64_t &Offset) { +const FieldDecl *CodeGenFunction::FindFlexibleArrayMemberFieldAndOffset( + ASTContext &Ctx, const RecordDecl *RD, const FieldDecl *FAMDecl, + uint64_t &Offset) { const LangOptions::StrictFlexArraysLevelKind StrictFlexArraysLevel = getLangOpts().getStrictFlexArraysLevel(); - unsigned FieldNo = 0; - bool IsUnion = RD->isUnion(); + uint32_t FieldNo = 0; - for (const Decl *D : RD->decls()) { - if (const auto *Field = dyn_cast(D); - Field && (Name.empty() || Field->getNameAsString() == Name) && + if (RD->isImplicit()) + return nullptr; + + for (const FieldDecl *FD : RD->fields()) { + if ((!FAMDecl || FD == FAMDecl) && Decl::isFlexibleArrayMemberLike( - Ctx, Field, Field->getType(), StrictFlexArraysLevel, + Ctx, FD, FD->getType(), StrictFlexArraysLevel, /*IgnoreTemplateOrMacroSubstitution=*/true)) { const ASTRecordLayout &Layout = Ctx.getASTRecordLayout(RD); Offset += Layout.getFieldOffset(FieldNo); - return Field; + return FD; } - if (const auto *Record = dyn_cast(D)) - if (const FieldDecl *Field = - FindFlexibleArrayMemberField(Ctx, Record, Name, Offset)) { + QualType Ty = FD->getType(); + if (Ty->isRecordType()) { + if (const FieldDecl *Field = FindFlexibleArrayMemberFieldAndOffset( + Ctx, Ty->getAsRecordDecl(), FAMDecl, Offset)) { const ASTRecordLayout &Layout = Ctx.getASTRecordLayout(RD); Offset += Layout.getFieldOffset(FieldNo); return Field; } + } - if (!IsUnion && isa(D)) + if (!RD->isUnion()) ++FieldNo; } @@ -858,14 +862,13 @@ const FieldDecl *CodeGenFunction::FindFlexibleArrayMemberField( static unsigned CountCountedByAttrs(const RecordDecl *RD) { unsigned Num = 0; - for (const Decl *D : RD->decls()) { - if (const auto *FD = dyn_cast(D); - FD && FD->getType()->isCountAttributedType()) { + for (const FieldDecl *FD : RD->fields()) { + if (FD->getType()->isCountAttributedType()) return ++Num; - } - if (const auto *Rec = dyn_cast(D)) - Num += CountCountedByAttrs(Rec); + QualType Ty = FD->getType(); + if (Ty->isRecordType()) + Num += CountCountedByAttrs(Ty->getAsRecordDecl()); } return Num; @@ -928,12 +931,14 @@ CodeGenFunction::emitFlexibleArrayMemberSize(const Expr *E, unsigned Type, // Get the flexible array member Decl. const RecordDecl *OuterRD = nullptr; - std::string FAMName; + const FieldDecl *FAMDecl = nullptr; if (const auto *ME = dyn_cast(Base)) { // Check if \p Base is referencing the FAM itself. const ValueDecl *VD = ME->getMemberDecl(); OuterRD = VD->getDeclContext()->getOuterLexicalRecordContext(); - FAMName = VD->getNameAsString(); + FAMDecl = dyn_cast(VD); + if (!FAMDecl) + return nullptr; } else if (const auto *DRE = dyn_cast(Base)) { // Check if we're pointing to the whole struct. QualType Ty = DRE->getDecl()->getType(); @@ -972,9 +977,11 @@ CodeGenFunction::emitFlexibleArrayMemberSize(const Expr *E, unsigned Type, if (!OuterRD) return nullptr; + // We call FindFlexibleArrayMemberAndOffset even if FAMDecl is non-null to + // get its offset. uint64_t Offset = 0; - const FieldDecl *FAMDecl = - FindFlexibleArrayMemberField(Ctx, OuterRD, FAMName, Offset); + FAMDecl = + FindFlexibleArrayMemberFieldAndOffset(Ctx, OuterRD, FAMDecl, Offset); Offset = Ctx.toCharUnitsFromBits(Offset).getQuantity(); if (!FAMDecl || !FAMDecl->getType()->isCountAttributedType()) @@ -3621,7 +3628,7 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID, // frexpl instead of legalizing this type in the BE. if (&getTarget().getLongDoubleFormat() == &llvm::APFloat::PPCDoubleDouble()) break; - LLVM_FALLTHROUGH; + [[fallthrough]]; } case Builtin::BI__builtin_frexp: case Builtin::BI__builtin_frexpf: @@ -3878,9 +3885,12 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID, } case Builtin::BI__builtin_reduce_max: { - auto GetIntrinsicID = [](QualType QT) { + auto GetIntrinsicID = [this](QualType QT) { if (auto *VecTy = QT->getAs()) QT = VecTy->getElementType(); + else if (QT->isSizelessVectorType()) + QT = QT->getSizelessVectorEltType(CGM.getContext()); + if (QT->isSignedIntegerType()) return llvm::Intrinsic::vector_reduce_smax; if (QT->isUnsignedIntegerType()) @@ -3893,9 +3903,12 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID, } case Builtin::BI__builtin_reduce_min: { - auto GetIntrinsicID = [](QualType QT) { + auto GetIntrinsicID = [this](QualType QT) { if (auto *VecTy = QT->getAs()) QT = VecTy->getElementType(); + else if (QT->isSizelessVectorType()) + QT = QT->getSizelessVectorEltType(CGM.getContext()); + if (QT->isSignedIntegerType()) return llvm::Intrinsic::vector_reduce_smin; if (QT->isUnsignedIntegerType()) @@ -5359,7 +5372,7 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID, case Builtin::BI__builtin_ptrauth_auth_and_resign: if (Args[4]->getType()->isPointerTy()) Args[4] = Builder.CreatePtrToInt(Args[4], IntPtrTy); - LLVM_FALLTHROUGH; + [[fallthrough]]; case Builtin::BI__builtin_ptrauth_auth: case Builtin::BI__builtin_ptrauth_sign_unauthenticated: @@ -18265,8 +18278,8 @@ Value *CodeGenFunction::EmitHLSLBuiltinExpr(unsigned BuiltinID, if (!E->getArg(0)->getType()->hasFloatingRepresentation()) llvm_unreachable("lerp operand must have a float representation"); return Builder.CreateIntrinsic( - /*ReturnType=*/X->getType(), Intrinsic::dx_lerp, - ArrayRef{X, Y, S}, nullptr, "dx.lerp"); + /*ReturnType=*/X->getType(), CGM.getHLSLRuntime().getLerpIntrinsic(), + ArrayRef{X, Y, S}, nullptr, "hlsl.lerp"); } case Builtin::BI__builtin_hlsl_elementwise_frac: { Value *Op0 = EmitScalarExpr(E->getArg(0)); @@ -18294,20 +18307,28 @@ Value *CodeGenFunction::EmitHLSLBuiltinExpr(unsigned BuiltinID, Value *M = EmitScalarExpr(E->getArg(0)); Value *A = EmitScalarExpr(E->getArg(1)); Value *B = EmitScalarExpr(E->getArg(2)); - if (E->getArg(0)->getType()->hasFloatingRepresentation()) { + if (E->getArg(0)->getType()->hasFloatingRepresentation()) return Builder.CreateIntrinsic( /*ReturnType*/ M->getType(), Intrinsic::fmuladd, - ArrayRef{M, A, B}, nullptr, "dx.fmad"); - } + ArrayRef{M, A, B}, nullptr, "hlsl.fmad"); + if (E->getArg(0)->getType()->hasSignedIntegerRepresentation()) { - return Builder.CreateIntrinsic( - /*ReturnType*/ M->getType(), Intrinsic::dx_imad, - ArrayRef{M, A, B}, nullptr, "dx.imad"); + if (CGM.getTarget().getTriple().getArch() == llvm::Triple::dxil) + return Builder.CreateIntrinsic( + /*ReturnType*/ M->getType(), Intrinsic::dx_imad, + ArrayRef{M, A, B}, nullptr, "dx.imad"); + + Value *Mul = Builder.CreateNSWMul(M, A); + return Builder.CreateNSWAdd(Mul, B); } assert(E->getArg(0)->getType()->hasUnsignedIntegerRepresentation()); - return Builder.CreateIntrinsic( - /*ReturnType=*/M->getType(), Intrinsic::dx_umad, - ArrayRef{M, A, B}, nullptr, "dx.umad"); + if (CGM.getTarget().getTriple().getArch() == llvm::Triple::dxil) + return Builder.CreateIntrinsic( + /*ReturnType=*/M->getType(), Intrinsic::dx_umad, + ArrayRef{M, A, B}, nullptr, "dx.umad"); + + Value *Mul = Builder.CreateNUWMul(M, A); + return Builder.CreateNUWAdd(Mul, B); } case Builtin::BI__builtin_hlsl_elementwise_rcp: { Value *Op0 = EmitScalarExpr(E->getArg(0)); @@ -18835,7 +18856,7 @@ Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned BuiltinID, case AMDGPU::BI__builtin_amdgcn_wmma_f16_16x16x16_f16_w32_gfx12: case AMDGPU::BI__builtin_amdgcn_wmma_f16_16x16x16_f16_w64_gfx12: AppendFalseForOpselArg = true; - LLVM_FALLTHROUGH; + [[fallthrough]]; case AMDGPU::BI__builtin_amdgcn_wmma_f16_16x16x16_f16_w32: case AMDGPU::BI__builtin_amdgcn_wmma_f16_16x16x16_f16_w64: ArgsForMatchingMatrixTypes = {2, 0}; // CD, AB @@ -18844,7 +18865,7 @@ Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned BuiltinID, case AMDGPU::BI__builtin_amdgcn_wmma_bf16_16x16x16_bf16_w32_gfx12: case AMDGPU::BI__builtin_amdgcn_wmma_bf16_16x16x16_bf16_w64_gfx12: AppendFalseForOpselArg = true; - LLVM_FALLTHROUGH; + [[fallthrough]]; case AMDGPU::BI__builtin_amdgcn_wmma_bf16_16x16x16_bf16_w32: case AMDGPU::BI__builtin_amdgcn_wmma_bf16_16x16x16_bf16_w64: ArgsForMatchingMatrixTypes = {2, 0}; // CD, AB diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp index 3f5463a9a70e9d81a9da46e76bebe8955f9b3073..69548902dc43b9b756e0ad54735fcac5ce40c581 100644 --- a/clang/lib/CodeGen/CGCall.cpp +++ b/clang/lib/CodeGen/CGCall.cpp @@ -1585,6 +1585,11 @@ bool CodeGenModule::ReturnTypeUsesSRet(const CGFunctionInfo &FI) { return RI.isIndirect() || (RI.isInAlloca() && RI.getInAllocaSRet()); } +bool CodeGenModule::ReturnTypeHasInReg(const CGFunctionInfo &FI) { + const auto &RI = FI.getReturnInfo(); + return RI.getInReg(); +} + bool CodeGenModule::ReturnSlotInterferesWithArgs(const CGFunctionInfo &FI) { return ReturnTypeUsesSRet(FI) && getTargetCodeGenInfo().doesReturnSlotInterfereWithArgs(); @@ -3665,7 +3670,7 @@ static void setUsedBits(CodeGenModule &CGM, const RecordType *RTy, int Offset, for (auto I = RD->field_begin(), E = RD->field_end(); I != E; ++I, ++Idx) { const FieldDecl *F = *I; - if (F->isUnnamedBitfield() || F->isZeroLengthBitField(Context) || + if (F->isUnnamedBitField() || F->isZeroLengthBitField(Context) || F->getType()->isIncompleteArrayType()) continue; @@ -4693,11 +4698,11 @@ void CodeGenFunction::EmitCallArg(CallArgList &args, const Expr *E, AggValueSlot Slot = args.isUsingInAlloca() ? createPlaceholderSlot(*this, type) : CreateAggTemp(type, "agg.tmp"); - bool DestroyedInCallee = true, NeedsEHCleanup = true; + bool DestroyedInCallee = true, NeedsCleanup = true; if (const auto *RD = type->getAsCXXRecordDecl()) DestroyedInCallee = RD->hasNonTrivialDestructor(); else - NeedsEHCleanup = needsEHCleanup(type.isDestructedType()); + NeedsCleanup = type.isDestructedType(); if (DestroyedInCallee) Slot.setExternallyDestructed(); @@ -4706,14 +4711,15 @@ void CodeGenFunction::EmitCallArg(CallArgList &args, const Expr *E, RValue RV = Slot.asRValue(); args.add(RV, type); - if (DestroyedInCallee && NeedsEHCleanup) { + if (DestroyedInCallee && NeedsCleanup) { // Create a no-op GEP between the placeholder and the cleanup so we can // RAUW it successfully. It also serves as a marker of the first // instruction where the cleanup is active. - pushFullExprCleanup(EHCleanup, Slot.getAddress(), - type); + pushFullExprCleanup(NormalAndEHCleanup, + Slot.getAddress(), type); // This unreachable is a temporary marker which will be removed later. - llvm::Instruction *IsActive = Builder.CreateUnreachable(); + llvm::Instruction *IsActive = + Builder.CreateFlagLoad(llvm::Constant::getNullValue(Int8PtrTy)); args.addArgCleanupDeactivation(EHStack.stable_begin(), IsActive); } return; diff --git a/clang/lib/CodeGen/CGCleanup.cpp b/clang/lib/CodeGen/CGCleanup.cpp index e6f8e6873004f29d716caea0e82fb902be0f8117..469e0363b744acf63943ecead6f79173e8f0ae5e 100644 --- a/clang/lib/CodeGen/CGCleanup.cpp +++ b/clang/lib/CodeGen/CGCleanup.cpp @@ -634,12 +634,19 @@ static void destroyOptimisticNormalEntry(CodeGenFunction &CGF, /// Pops a cleanup block. If the block includes a normal cleanup, the /// current insertion point is threaded through the cleanup, as are /// any branch fixups on the cleanup. -void CodeGenFunction::PopCleanupBlock(bool FallthroughIsBranchThrough) { +void CodeGenFunction::PopCleanupBlock(bool FallthroughIsBranchThrough, + bool ForDeactivation) { assert(!EHStack.empty() && "cleanup stack is empty!"); assert(isa(*EHStack.begin()) && "top not a cleanup!"); EHCleanupScope &Scope = cast(*EHStack.begin()); assert(Scope.getFixupDepth() <= EHStack.getNumBranchFixups()); + // If we are deactivating a normal cleanup, we need to pretend that the + // fallthrough is unreachable. We restore this IP before returning. + CGBuilderTy::InsertPoint NormalDeactivateOrigIP; + if (ForDeactivation && (Scope.isNormalCleanup() || !getLangOpts().EHAsynch)) { + NormalDeactivateOrigIP = Builder.saveAndClearIP(); + } // Remember activation information. bool IsActive = Scope.isActive(); Address NormalActiveFlag = @@ -667,7 +674,8 @@ void CodeGenFunction::PopCleanupBlock(bool FallthroughIsBranchThrough) { // - whether there's a fallthrough llvm::BasicBlock *FallthroughSource = Builder.GetInsertBlock(); - bool HasFallthrough = (FallthroughSource != nullptr && IsActive); + bool HasFallthrough = + FallthroughSource != nullptr && (IsActive || HasExistingBranches); // Branch-through fall-throughs leave the insertion point set to the // end of the last cleanup, which points to the current scope. The @@ -692,7 +700,11 @@ void CodeGenFunction::PopCleanupBlock(bool FallthroughIsBranchThrough) { // If we have a prebranched fallthrough into an inactive normal // cleanup, rewrite it so that it leads to the appropriate place. - if (Scope.isNormalCleanup() && HasPrebranchedFallthrough && !IsActive) { + if (Scope.isNormalCleanup() && HasPrebranchedFallthrough && + !RequiresNormalCleanup) { + // FIXME: Come up with a program which would need forwarding prebranched + // fallthrough and add tests. Otherwise delete this and assert against it. + assert(!IsActive); llvm::BasicBlock *prebranchDest; // If the prebranch is semantically branching through the next @@ -724,6 +736,8 @@ void CodeGenFunction::PopCleanupBlock(bool FallthroughIsBranchThrough) { EHStack.popCleanup(); // safe because there are no fixups assert(EHStack.getNumBranchFixups() == 0 || EHStack.hasNormalCleanups()); + if (NormalDeactivateOrigIP.isSet()) + Builder.restoreIP(NormalDeactivateOrigIP); return; } @@ -760,11 +774,19 @@ void CodeGenFunction::PopCleanupBlock(bool FallthroughIsBranchThrough) { if (!RequiresNormalCleanup) { // Mark CPP scope end for passed-by-value Arg temp // per Windows ABI which is "normally" Cleanup in callee - if (IsEHa && getInvokeDest() && Builder.GetInsertBlock()) { - if (Personality.isMSVCXXPersonality()) + if (IsEHa && getInvokeDest()) { + // If we are deactivating a normal cleanup then we don't have a + // fallthrough. Restore original IP to emit CPP scope ends in the correct + // block. + if (NormalDeactivateOrigIP.isSet()) + Builder.restoreIP(NormalDeactivateOrigIP); + if (Personality.isMSVCXXPersonality() && Builder.GetInsertBlock()) EmitSehCppScopeEnd(); + if (NormalDeactivateOrigIP.isSet()) + NormalDeactivateOrigIP = Builder.saveAndClearIP(); } destroyOptimisticNormalEntry(*this, Scope); + Scope.MarkEmitted(); EHStack.popCleanup(); } else { // If we have a fallthrough and no other need for the cleanup, @@ -781,6 +803,7 @@ void CodeGenFunction::PopCleanupBlock(bool FallthroughIsBranchThrough) { } destroyOptimisticNormalEntry(*this, Scope); + Scope.MarkEmitted(); EHStack.popCleanup(); EmitCleanup(*this, Fn, cleanupFlags, NormalActiveFlag); @@ -916,6 +939,7 @@ void CodeGenFunction::PopCleanupBlock(bool FallthroughIsBranchThrough) { } // IV. Pop the cleanup and emit it. + Scope.MarkEmitted(); EHStack.popCleanup(); assert(EHStack.hasNormalCleanups() == HasEnclosingCleanups); @@ -984,6 +1008,8 @@ void CodeGenFunction::PopCleanupBlock(bool FallthroughIsBranchThrough) { } } + if (NormalDeactivateOrigIP.isSet()) + Builder.restoreIP(NormalDeactivateOrigIP); assert(EHStack.hasNormalCleanups() || EHStack.getNumBranchFixups() == 0); // Emit the EH cleanup if required. @@ -1143,25 +1169,6 @@ void CodeGenFunction::EmitBranchThroughCleanup(JumpDest Dest) { Builder.ClearInsertionPoint(); } -static bool IsUsedAsNormalCleanup(EHScopeStack &EHStack, - EHScopeStack::stable_iterator C) { - // If we needed a normal block for any reason, that counts. - if (cast(*EHStack.find(C)).getNormalBlock()) - return true; - - // Check whether any enclosed cleanups were needed. - for (EHScopeStack::stable_iterator - I = EHStack.getInnermostNormalCleanup(); - I != C; ) { - assert(C.strictlyEncloses(I)); - EHCleanupScope &S = cast(*EHStack.find(I)); - if (S.getNormalBlock()) return true; - I = S.getEnclosingNormalCleanup(); - } - - return false; -} - static bool IsUsedAsEHCleanup(EHScopeStack &EHStack, EHScopeStack::stable_iterator cleanup) { // If we needed an EH block for any reason, that counts. @@ -1210,8 +1217,7 @@ static void SetupCleanupBlockActivation(CodeGenFunction &CGF, // Calculate whether the cleanup was used: // - as a normal cleanup - if (Scope.isNormalCleanup() && - (isActivatedInConditional || IsUsedAsNormalCleanup(CGF.EHStack, C))) { + if (Scope.isNormalCleanup()) { Scope.setTestFlagInNormalCleanup(); needFlag = true; } @@ -1224,13 +1230,16 @@ static void SetupCleanupBlockActivation(CodeGenFunction &CGF, } // If it hasn't yet been used as either, we're done. - if (!needFlag) return; + if (!needFlag) + return; Address var = Scope.getActiveFlag(); if (!var.isValid()) { + CodeGenFunction::AllocaTrackerRAII AllocaTracker(CGF); var = CGF.CreateTempAlloca(CGF.Builder.getInt1Ty(), CharUnits::One(), "cleanup.isactive"); Scope.setActiveFlag(var); + Scope.AddAuxAllocas(AllocaTracker.Take()); assert(dominatingIP && "no existing variable and no dominating IP!"); @@ -1273,17 +1282,8 @@ void CodeGenFunction::DeactivateCleanupBlock(EHScopeStack::stable_iterator C, // to the current RunCleanupsScope. if (C == EHStack.stable_begin() && CurrentCleanupScopeDepth.strictlyEncloses(C)) { - // Per comment below, checking EHAsynch is not really necessary - // it's there to assure zero-impact w/o EHAsynch option - if (!Scope.isNormalCleanup() && getLangOpts().EHAsynch) { - PopCleanupBlock(); - } else { - // If it's a normal cleanup, we need to pretend that the - // fallthrough is unreachable. - CGBuilderTy::InsertPoint SavedIP = Builder.saveAndClearIP(); - PopCleanupBlock(); - Builder.restoreIP(SavedIP); - } + PopCleanupBlock(/*FallthroughIsBranchThrough=*/false, + /*ForDeactivation=*/true); return; } diff --git a/clang/lib/CodeGen/CGCleanup.h b/clang/lib/CodeGen/CGCleanup.h index 03e4a29d7b3dbfa5b3953725e9fc1fe0fe55bb44..c73c97146abc4d4d5ec4adba51bf0a02106d7d89 100644 --- a/clang/lib/CodeGen/CGCleanup.h +++ b/clang/lib/CodeGen/CGCleanup.h @@ -16,8 +16,11 @@ #include "EHScopeStack.h" #include "Address.h" +#include "llvm/ADT/STLExtras.h" +#include "llvm/ADT/SetVector.h" #include "llvm/ADT/SmallPtrSet.h" #include "llvm/ADT/SmallVector.h" +#include "llvm/IR/Instruction.h" namespace llvm { class BasicBlock; @@ -266,6 +269,51 @@ class alignas(8) EHCleanupScope : public EHScope { }; mutable struct ExtInfo *ExtInfo; + /// Erases auxillary allocas and their usages for an unused cleanup. + /// Cleanups should mark these allocas as 'used' if the cleanup is + /// emitted, otherwise these instructions would be erased. + struct AuxillaryAllocas { + SmallVector AuxAllocas; + bool used = false; + + // Records a potentially unused instruction to be erased later. + void Add(llvm::AllocaInst *Alloca) { AuxAllocas.push_back(Alloca); } + + // Mark all recorded instructions as used. These will not be erased later. + void MarkUsed() { + used = true; + AuxAllocas.clear(); + } + + ~AuxillaryAllocas() { + if (used) + return; + llvm::SetVector Uses; + for (auto *Inst : llvm::reverse(AuxAllocas)) + CollectUses(Inst, Uses); + // Delete uses in the reverse order of insertion. + for (auto *I : llvm::reverse(Uses)) + I->eraseFromParent(); + } + + private: + void CollectUses(llvm::Instruction *I, + llvm::SetVector &Uses) { + if (!I || !Uses.insert(I)) + return; + for (auto *User : I->users()) + CollectUses(cast(User), Uses); + } + }; + mutable struct AuxillaryAllocas *AuxAllocas; + + AuxillaryAllocas &getAuxillaryAllocas() { + if (!AuxAllocas) { + AuxAllocas = new struct AuxillaryAllocas(); + } + return *AuxAllocas; + } + /// The number of fixups required by enclosing scopes (not including /// this one). If this is the top cleanup scope, all the fixups /// from this index onwards belong to this scope. @@ -298,7 +346,7 @@ public: EHScopeStack::stable_iterator enclosingEH) : EHScope(EHScope::Cleanup, enclosingEH), EnclosingNormal(enclosingNormal), NormalBlock(nullptr), - ActiveFlag(Address::invalid()), ExtInfo(nullptr), + ActiveFlag(Address::invalid()), ExtInfo(nullptr), AuxAllocas(nullptr), FixupDepth(fixupDepth) { CleanupBits.IsNormalCleanup = isNormal; CleanupBits.IsEHCleanup = isEH; @@ -312,8 +360,15 @@ public: } void Destroy() { + if (AuxAllocas) + delete AuxAllocas; delete ExtInfo; } + void AddAuxAllocas(llvm::SmallVector Allocas) { + for (auto *Alloca : Allocas) + getAuxillaryAllocas().Add(Alloca); + } + void MarkEmitted() { getAuxillaryAllocas().MarkUsed(); } // Objects of EHCleanupScope are not destructed. Use Destroy(). ~EHCleanupScope() = delete; diff --git a/clang/lib/CodeGen/CGCoroutine.cpp b/clang/lib/CodeGen/CGCoroutine.cpp index 93ca711f716fce5bec80f56f81e0f3749de5d3f8..567e85a02dc6126fdbf990b50e43743779b2a19e 100644 --- a/clang/lib/CodeGen/CGCoroutine.cpp +++ b/clang/lib/CodeGen/CGCoroutine.cpp @@ -413,10 +413,8 @@ llvm::Function * CodeGenFunction::generateAwaitSuspendWrapper(Twine const &CoroName, Twine const &SuspendPointName, CoroutineSuspendExpr const &S) { - std::string FuncName = "__await_suspend_wrapper_"; - FuncName += CoroName.str(); - FuncName += '_'; - FuncName += SuspendPointName.str(); + std::string FuncName = + (CoroName + ".__await_suspend_wrapper__" + SuspendPointName).str(); ASTContext &C = getContext(); diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp index 8c284c332171a1bbdd9a3af14692e7de5ac81ec2..fac278f0e20a438102c913384af3e48185e11c96 100644 --- a/clang/lib/CodeGen/CGDebugInfo.cpp +++ b/clang/lib/CodeGen/CGDebugInfo.cpp @@ -1313,6 +1313,44 @@ llvm::DIType *CGDebugInfo::CreateType(const BlockPointerType *Ty, return DBuilder.createPointerType(EltTy, Size); } +static llvm::SmallVector +GetTemplateArgs(const TemplateDecl *TD, const TemplateSpecializationType *Ty) { + assert(Ty->isTypeAlias()); + // TemplateSpecializationType doesn't know if its template args are + // being substituted into a parameter pack. We can find out if that's + // the case now by inspecting the TypeAliasTemplateDecl template + // parameters. Insert Ty's template args into SpecArgs, bundling args + // passed to a parameter pack into a TemplateArgument::Pack. It also + // doesn't know the value of any defaulted args, so collect those now + // too. + SmallVector SpecArgs; + ArrayRef SubstArgs = Ty->template_arguments(); + for (const NamedDecl *Param : TD->getTemplateParameters()->asArray()) { + // If Param is a parameter pack, pack the remaining arguments. + if (Param->isParameterPack()) { + SpecArgs.push_back(TemplateArgument(SubstArgs)); + break; + } + + // Skip defaulted args. + // FIXME: Ideally, we wouldn't do this. We can read the default values + // for each parameter. However, defaulted arguments which are dependent + // values or dependent types can't (easily?) be resolved here. + if (SubstArgs.empty()) { + // If SubstArgs is now empty (we're taking from it each iteration) and + // this template parameter isn't a pack, then that should mean we're + // using default values for the remaining template parameters (after + // which there may be an empty pack too which we will ignore). + break; + } + + // Take the next argument. + SpecArgs.push_back(SubstArgs.front()); + SubstArgs = SubstArgs.drop_front(); + } + return SpecArgs; +} + llvm::DIType *CGDebugInfo::CreateType(const TemplateSpecializationType *Ty, llvm::DIFile *Unit) { assert(Ty->isTypeAlias()); @@ -1332,6 +1370,52 @@ llvm::DIType *CGDebugInfo::CreateType(const TemplateSpecializationType *Ty, auto PP = getPrintingPolicy(); Ty->getTemplateName().print(OS, PP, TemplateName::Qualified::None); + SourceLocation Loc = AliasDecl->getLocation(); + + if (CGM.getCodeGenOpts().DebugTemplateAlias && + // FIXME: This is a workaround for the issue + // https://github.com/llvm/llvm-project/issues/89774 + // The TemplateSpecializationType doesn't contain any instantiation + // information; dependent template arguments can't be resolved. For now, + // fall back to DW_TAG_typedefs for template aliases that are + // instantiation dependent, e.g.: + // ``` + // template + // using A = int; + // + // template + // struct S { + // using AA = A; // Instantiation dependent. + // AA aa; + // }; + // + // S<0> s; + // ``` + // S::AA's underlying type A is dependent on I so will be emitted as a + // DW_TAG_typedef. + !Ty->isInstantiationDependentType()) { + auto ArgVector = ::GetTemplateArgs(TD, Ty); + TemplateArgs Args = {TD->getTemplateParameters(), ArgVector}; + + // FIXME: Respect DebugTemplateNameKind::Mangled, e.g. by using GetName. + // Note we can't use GetName without additional work: TypeAliasTemplateDecl + // doesn't have instantiation information, so + // TypeAliasTemplateDecl::getNameForDiagnostic wouldn't have access to the + // template args. + std::string Name; + llvm::raw_string_ostream OS(Name); + TD->getNameForDiagnostic(OS, PP, /*Qualified=*/false); + if (CGM.getCodeGenOpts().getDebugSimpleTemplateNames() != + llvm::codegenoptions::DebugTemplateNamesKind::Simple || + !HasReconstitutableArgs(Args.Args)) + printTemplateArgumentList(OS, Args.Args, PP); + + llvm::DIDerivedType *AliasTy = DBuilder.createTemplateAlias( + Src, Name, getOrCreateFile(Loc), getLineNumber(Loc), + getDeclContextDescriptor(AliasDecl), CollectTemplateParams(Args, Unit)); + return AliasTy; + } + // Disable PrintCanonicalTypes here because we want // the DW_AT_name to benefit from the TypePrinter's ability // to skip defaulted template arguments. @@ -1343,8 +1427,6 @@ llvm::DIType *CGDebugInfo::CreateType(const TemplateSpecializationType *Ty, PP.PrintCanonicalTypes = false; printTemplateArgumentList(OS, Ty->template_arguments(), PP, TD->getTemplateParameters()); - - SourceLocation Loc = AliasDecl->getLocation(); return DBuilder.createTypedef(Src, OS.str(), getOrCreateFile(Loc), getLineNumber(Loc), getDeclContextDescriptor(AliasDecl)); @@ -5363,6 +5445,54 @@ static bool IsReconstitutableType(QualType QT) { return T.Reconstitutable; } +bool CGDebugInfo::HasReconstitutableArgs( + ArrayRef Args) const { + return llvm::all_of(Args, [&](const TemplateArgument &TA) { + switch (TA.getKind()) { + case TemplateArgument::Template: + // Easy to reconstitute - the value of the parameter in the debug + // info is the string name of the template. The template name + // itself won't benefit from any name rebuilding, but that's a + // representational limitation - maybe DWARF could be + // changed/improved to use some more structural representation. + return true; + case TemplateArgument::Declaration: + // Reference and pointer non-type template parameters point to + // variables, functions, etc and their value is, at best (for + // variables) represented as an address - not a reference to the + // DWARF describing the variable/function/etc. This makes it hard, + // possibly impossible to rebuild the original name - looking up + // the address in the executable file's symbol table would be + // needed. + return false; + case TemplateArgument::NullPtr: + // These could be rebuilt, but figured they're close enough to the + // declaration case, and not worth rebuilding. + return false; + case TemplateArgument::Pack: + // A pack is invalid if any of the elements of the pack are + // invalid. + return HasReconstitutableArgs(TA.getPackAsArray()); + case TemplateArgument::Integral: + // Larger integers get encoded as DWARF blocks which are a bit + // harder to parse back into a large integer, etc - so punting on + // this for now. Re-parsing the integers back into APInt is + // probably feasible some day. + return TA.getAsIntegral().getBitWidth() <= 64 && + IsReconstitutableType(TA.getIntegralType()); + case TemplateArgument::StructuralValue: + return false; + case TemplateArgument::Type: + return IsReconstitutableType(TA.getAsType()); + case TemplateArgument::Expression: + return IsReconstitutableType(TA.getAsExpr()->getType()); + default: + llvm_unreachable("Other, unresolved, template arguments should " + "not be seen here"); + } + }); +} + std::string CGDebugInfo::GetName(const Decl *D, bool Qualified) const { std::string Name; llvm::raw_string_ostream OS(Name); @@ -5389,49 +5519,7 @@ std::string CGDebugInfo::GetName(const Decl *D, bool Qualified) const { } else if (auto *VD = dyn_cast(ND)) { Args = GetTemplateArgs(VD); } - std::function)> HasReconstitutableArgs = - [&](ArrayRef Args) { - return llvm::all_of(Args, [&](const TemplateArgument &TA) { - switch (TA.getKind()) { - case TemplateArgument::Template: - // Easy to reconstitute - the value of the parameter in the debug - // info is the string name of the template. (so the template name - // itself won't benefit from any name rebuilding, but that's a - // representational limitation - maybe DWARF could be - // changed/improved to use some more structural representation) - return true; - case TemplateArgument::Declaration: - // Reference and pointer non-type template parameters point to - // variables, functions, etc and their value is, at best (for - // variables) represented as an address - not a reference to the - // DWARF describing the variable/function/etc. This makes it hard, - // possibly impossible to rebuild the original name - looking up the - // address in the executable file's symbol table would be needed. - return false; - case TemplateArgument::NullPtr: - // These could be rebuilt, but figured they're close enough to the - // declaration case, and not worth rebuilding. - return false; - case TemplateArgument::Pack: - // A pack is invalid if any of the elements of the pack are invalid. - return HasReconstitutableArgs(TA.getPackAsArray()); - case TemplateArgument::Integral: - // Larger integers get encoded as DWARF blocks which are a bit - // harder to parse back into a large integer, etc - so punting on - // this for now. Re-parsing the integers back into APInt is probably - // feasible some day. - return TA.getAsIntegral().getBitWidth() <= 64 && - IsReconstitutableType(TA.getIntegralType()); - case TemplateArgument::StructuralValue: - return false; - case TemplateArgument::Type: - return IsReconstitutableType(TA.getAsType()); - default: - llvm_unreachable("Other, unresolved, template arguments should " - "not be seen here"); - } - }); - }; + // A conversion operator presents complications/ambiguity if there's a // conversion to class template that is itself a template, eg: // template diff --git a/clang/lib/CodeGen/CGDebugInfo.h b/clang/lib/CodeGen/CGDebugInfo.h index 7b60e94555d0608639789aacbb309843c1cf6fe4..d6db4d711366accf43100ef70628bbb9f2d345e5 100644 --- a/clang/lib/CodeGen/CGDebugInfo.h +++ b/clang/lib/CodeGen/CGDebugInfo.h @@ -626,7 +626,8 @@ private: llvm::DIType *WrappedType; }; - std::string GetName(const Decl*, bool Qualified = false) const; + bool HasReconstitutableArgs(ArrayRef Args) const; + std::string GetName(const Decl *, bool Qualified = false) const; /// Build up structure info for the byref. See \a BuildByRefType. BlockByRefType EmitTypeForVarWithBlocksAttr(const VarDecl *VD, diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp index ce6d6d8956076e4966eb0fd6719e1ab4f9a00af3..9cc67cdbe424b4022dc59c6cbad188744daef92a 100644 --- a/clang/lib/CodeGen/CGDecl.cpp +++ b/clang/lib/CodeGen/CGDecl.cpp @@ -19,6 +19,7 @@ #include "CodeGenFunction.h" #include "CodeGenModule.h" #include "ConstantEmitter.h" +#include "EHScopeStack.h" #include "PatternInit.h" #include "TargetInfo.h" #include "clang/AST/ASTContext.h" @@ -35,6 +36,7 @@ #include "llvm/Analysis/ValueTracking.h" #include "llvm/IR/DataLayout.h" #include "llvm/IR/GlobalVariable.h" +#include "llvm/IR/Instructions.h" #include "llvm/IR/Intrinsics.h" #include "llvm/IR/Type.h" #include @@ -2201,6 +2203,27 @@ void CodeGenFunction::pushDestroy(CleanupKind cleanupKind, Address addr, destroyer, useEHCleanupForArray); } +// Pushes a destroy and defers its deactivation until its +// CleanupDeactivationScope is exited. +void CodeGenFunction::pushDestroyAndDeferDeactivation( + QualType::DestructionKind dtorKind, Address addr, QualType type) { + assert(dtorKind && "cannot push destructor for trivial type"); + + CleanupKind cleanupKind = getCleanupKind(dtorKind); + pushDestroyAndDeferDeactivation( + cleanupKind, addr, type, getDestroyer(dtorKind), cleanupKind & EHCleanup); +} + +void CodeGenFunction::pushDestroyAndDeferDeactivation( + CleanupKind cleanupKind, Address addr, QualType type, Destroyer *destroyer, + bool useEHCleanupForArray) { + llvm::Instruction *DominatingIP = + Builder.CreateFlagLoad(llvm::Constant::getNullValue(Int8PtrTy)); + pushDestroy(cleanupKind, addr, type, destroyer, useEHCleanupForArray); + DeferredDeactivationCleanupStack.push_back( + {EHStack.stable_begin(), DominatingIP}); +} + void CodeGenFunction::pushStackRestore(CleanupKind Kind, Address SPMem) { EHStack.pushCleanup(Kind, SPMem); } @@ -2217,39 +2240,48 @@ void CodeGenFunction::pushLifetimeExtendedDestroy(CleanupKind cleanupKind, // If we're not in a conditional branch, we don't need to bother generating a // conditional cleanup. if (!isInConditionalBranch()) { - // Push an EH-only cleanup for the object now. // FIXME: When popping normal cleanups, we need to keep this EH cleanup // around in case a temporary's destructor throws an exception. - if (cleanupKind & EHCleanup) - EHStack.pushCleanup( - static_cast(cleanupKind & ~NormalCleanup), addr, type, - destroyer, useEHCleanupForArray); + // Add the cleanup to the EHStack. After the full-expr, this would be + // deactivated before being popped from the stack. + pushDestroyAndDeferDeactivation(cleanupKind, addr, type, destroyer, + useEHCleanupForArray); + + // Since this is lifetime-extended, push it once again to the EHStack after + // the full expression. return pushCleanupAfterFullExprWithActiveFlag( - cleanupKind, Address::invalid(), addr, type, destroyer, useEHCleanupForArray); + cleanupKind, Address::invalid(), addr, type, destroyer, + useEHCleanupForArray); } // Otherwise, we should only destroy the object if it's been initialized. - // Re-use the active flag and saved address across both the EH and end of - // scope cleanups. - using SavedType = typename DominatingValue
::saved_type; using ConditionalCleanupType = EHScopeStack::ConditionalCleanup; - - Address ActiveFlag = createCleanupActiveFlag(); - SavedType SavedAddr = saveValueInCond(addr); - - if (cleanupKind & EHCleanup) { - EHStack.pushCleanup( - static_cast(cleanupKind & ~NormalCleanup), SavedAddr, type, - destroyer, useEHCleanupForArray); - initFullExprCleanupWithFlag(ActiveFlag); - } - + DominatingValue
::saved_type SavedAddr = saveValueInCond(addr); + + // Remember to emit cleanup if we branch-out before end of full-expression + // (eg: through stmt-expr or coro suspensions). + AllocaTrackerRAII DeactivationAllocas(*this); + Address ActiveFlagForDeactivation = createCleanupActiveFlag(); + + pushCleanupAndDeferDeactivation( + cleanupKind, SavedAddr, type, destroyer, useEHCleanupForArray); + initFullExprCleanupWithFlag(ActiveFlagForDeactivation); + EHCleanupScope &cleanup = cast(*EHStack.begin()); + // Erase the active flag if the cleanup was not emitted. + cleanup.AddAuxAllocas(std::move(DeactivationAllocas).Take()); + + // Since this is lifetime-extended, push it once again to the EHStack after + // the full expression. + // The previous active flag would always be 'false' due to forced deferred + // deactivation. Use a separate flag for lifetime-extension to correctly + // remember if this branch was taken and the object was initialized. + Address ActiveFlagForLifetimeExt = createCleanupActiveFlag(); pushCleanupAfterFullExprWithActiveFlag( - cleanupKind, ActiveFlag, SavedAddr, type, destroyer, + cleanupKind, ActiveFlagForLifetimeExt, SavedAddr, type, destroyer, useEHCleanupForArray); } @@ -2442,9 +2474,9 @@ namespace { }; } // end anonymous namespace -/// pushIrregularPartialArrayCleanup - Push an EH cleanup to destroy -/// already-constructed elements of the given array. The cleanup -/// may be popped with DeactivateCleanupBlock or PopCleanupBlock. +/// pushIrregularPartialArrayCleanup - Push a NormalAndEHCleanup to +/// destroy already-constructed elements of the given array. The cleanup may be +/// popped with DeactivateCleanupBlock or PopCleanupBlock. /// /// \param elementType - the immediate element type of the array; /// possibly still an array type @@ -2453,10 +2485,9 @@ void CodeGenFunction::pushIrregularPartialArrayCleanup(llvm::Value *arrayBegin, QualType elementType, CharUnits elementAlign, Destroyer *destroyer) { - pushFullExprCleanup(EHCleanup, - arrayBegin, arrayEndPointer, - elementType, elementAlign, - destroyer); + pushFullExprCleanup( + NormalAndEHCleanup, arrayBegin, arrayEndPointer, elementType, + elementAlign, destroyer); } /// pushRegularPartialArrayCleanup - Push an EH cleanup to destroy diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp index cf696a1c9f560ff20be45dd2b96e64c7e6f61929..d96c7bb1e56822f108ad5a17839f48253d7bfb51 100644 --- a/clang/lib/CodeGen/CGExpr.cpp +++ b/clang/lib/CodeGen/CGExpr.cpp @@ -115,10 +115,16 @@ RawAddress CodeGenFunction::CreateTempAlloca(llvm::Type *Ty, CharUnits Align, llvm::AllocaInst *CodeGenFunction::CreateTempAlloca(llvm::Type *Ty, const Twine &Name, llvm::Value *ArraySize) { + llvm::AllocaInst *Alloca; if (ArraySize) - return Builder.CreateAlloca(Ty, ArraySize, Name); - return new llvm::AllocaInst(Ty, CGM.getDataLayout().getAllocaAddrSpace(), - ArraySize, Name, AllocaInsertPt); + Alloca = Builder.CreateAlloca(Ty, ArraySize, Name); + else + Alloca = new llvm::AllocaInst(Ty, CGM.getDataLayout().getAllocaAddrSpace(), + ArraySize, Name, AllocaInsertPt); + if (Allocas) { + Allocas->Add(Alloca); + } + return Alloca; } /// CreateDefaultAlignTempAlloca - This creates an alloca with the @@ -1621,8 +1627,8 @@ LValue CodeGenFunction::EmitLValueHelper(const Expr *E, return EmitArraySubscriptExpr(cast(E)); case Expr::MatrixSubscriptExprClass: return EmitMatrixSubscriptExpr(cast(E)); - case Expr::OMPArraySectionExprClass: - return EmitOMPArraySectionExpr(cast(E)); + case Expr::ArraySectionExprClass: + return EmitArraySectionExpr(cast(E)); case Expr::ExtVectorElementExprClass: return EmitExtVectorElementExpr(cast(E)); case Expr::CXXThisExprClass: @@ -4363,8 +4369,8 @@ static Address emitOMPArraySectionBase(CodeGenFunction &CGF, const Expr *Base, QualType BaseTy, QualType ElTy, bool IsLowerBound) { LValue BaseLVal; - if (auto *ASE = dyn_cast(Base->IgnoreParenImpCasts())) { - BaseLVal = CGF.EmitOMPArraySectionExpr(ASE, IsLowerBound); + if (auto *ASE = dyn_cast(Base->IgnoreParenImpCasts())) { + BaseLVal = CGF.EmitArraySectionExpr(ASE, IsLowerBound); if (BaseTy->isArrayType()) { Address Addr = BaseLVal.getAddress(CGF); BaseInfo = BaseLVal.getBaseInfo(); @@ -4396,9 +4402,13 @@ static Address emitOMPArraySectionBase(CodeGenFunction &CGF, const Expr *Base, return CGF.EmitPointerWithAlignment(Base, &BaseInfo, &TBAAInfo); } -LValue CodeGenFunction::EmitOMPArraySectionExpr(const OMPArraySectionExpr *E, - bool IsLowerBound) { - QualType BaseTy = OMPArraySectionExpr::getBaseOriginalType(E->getBase()); +LValue CodeGenFunction::EmitArraySectionExpr(const ArraySectionExpr *E, + bool IsLowerBound) { + + assert(!E->isOpenACCArraySection() && + "OpenACC Array section codegen not implemented"); + + QualType BaseTy = ArraySectionExpr::getBaseOriginalType(E->getBase()); QualType ResultExprTy; if (auto *AT = getContext().getAsArrayType(BaseTy)) ResultExprTy = AT->getElementType(); @@ -4704,7 +4714,7 @@ unsigned CodeGenFunction::getDebugInfoFIndex(const RecordDecl *Rec, for (auto *F : Rec->getDefinition()->fields()) { if (I == FieldIndex) break; - if (F->isUnnamedBitfield()) + if (F->isUnnamedBitField()) Skipped++; I++; } diff --git a/clang/lib/CodeGen/CGExprAgg.cpp b/clang/lib/CodeGen/CGExprAgg.cpp index 1b9287ea239347d334c2c7d52e2cc092e281aeb5..44d476976a55bf4392ca733dae2e88e0f1e2909c 100644 --- a/clang/lib/CodeGen/CGExprAgg.cpp +++ b/clang/lib/CodeGen/CGExprAgg.cpp @@ -15,6 +15,7 @@ #include "CodeGenFunction.h" #include "CodeGenModule.h" #include "ConstantEmitter.h" +#include "EHScopeStack.h" #include "TargetInfo.h" #include "clang/AST/ASTContext.h" #include "clang/AST/Attr.h" @@ -24,6 +25,7 @@ #include "llvm/IR/Constants.h" #include "llvm/IR/Function.h" #include "llvm/IR/GlobalVariable.h" +#include "llvm/IR/Instruction.h" #include "llvm/IR/IntrinsicInst.h" #include "llvm/IR/Intrinsics.h" using namespace clang; @@ -558,24 +560,27 @@ void AggExprEmitter::EmitArrayInit(Address DestPtr, llvm::ArrayType *AType, // For that, we'll need an EH cleanup. QualType::DestructionKind dtorKind = elementType.isDestructedType(); Address endOfInit = Address::invalid(); - EHScopeStack::stable_iterator cleanup; - llvm::Instruction *cleanupDominator = nullptr; - if (CGF.needsEHCleanup(dtorKind)) { + CodeGenFunction::CleanupDeactivationScope deactivation(CGF); + + if (dtorKind) { + CodeGenFunction::AllocaTrackerRAII allocaTracker(CGF); // In principle we could tell the cleanup where we are more // directly, but the control flow can get so varied here that it // would actually be quite complex. Therefore we go through an // alloca. + llvm::Instruction *dominatingIP = + Builder.CreateFlagLoad(llvm::ConstantInt::getNullValue(CGF.Int8PtrTy)); endOfInit = CGF.CreateTempAlloca(begin->getType(), CGF.getPointerAlign(), "arrayinit.endOfInit"); - cleanupDominator = Builder.CreateStore(begin, endOfInit); + Builder.CreateStore(begin, endOfInit); CGF.pushIrregularPartialArrayCleanup(begin, endOfInit, elementType, elementAlign, CGF.getDestroyer(dtorKind)); - cleanup = CGF.EHStack.stable_begin(); + cast(*CGF.EHStack.find(CGF.EHStack.stable_begin())) + .AddAuxAllocas(allocaTracker.Take()); - // Otherwise, remember that we didn't need a cleanup. - } else { - dtorKind = QualType::DK_none; + CGF.DeferredDeactivationCleanupStack.push_back( + {CGF.EHStack.stable_begin(), dominatingIP}); } llvm::Value *one = llvm::ConstantInt::get(CGF.SizeTy, 1); @@ -671,9 +676,6 @@ void AggExprEmitter::EmitArrayInit(Address DestPtr, llvm::ArrayType *AType, CGF.EmitBlock(endBB); } - - // Leave the partial-array cleanup if we entered one. - if (dtorKind) CGF.DeactivateCleanupBlock(cleanup, cleanupDominator); } //===----------------------------------------------------------------------===// @@ -1374,9 +1376,8 @@ AggExprEmitter::VisitLambdaExpr(LambdaExpr *E) { LValue SlotLV = CGF.MakeAddrLValue(Slot.getAddress(), E->getType()); // We'll need to enter cleanup scopes in case any of the element - // initializers throws an exception. - SmallVector Cleanups; - llvm::Instruction *CleanupDominator = nullptr; + // initializers throws an exception or contains branch out of the expressions. + CodeGenFunction::CleanupDeactivationScope scope(CGF); CXXRecordDecl::field_iterator CurField = E->getLambdaClass()->field_begin(); for (LambdaExpr::const_capture_init_iterator i = E->capture_init_begin(), @@ -1395,28 +1396,12 @@ AggExprEmitter::VisitLambdaExpr(LambdaExpr *E) { if (QualType::DestructionKind DtorKind = CurField->getType().isDestructedType()) { assert(LV.isSimple()); - if (CGF.needsEHCleanup(DtorKind)) { - if (!CleanupDominator) - CleanupDominator = CGF.Builder.CreateAlignedLoad( - CGF.Int8Ty, - llvm::Constant::getNullValue(CGF.Int8PtrTy), - CharUnits::One()); // placeholder - - CGF.pushDestroy(EHCleanup, LV.getAddress(CGF), CurField->getType(), - CGF.getDestroyer(DtorKind), false); - Cleanups.push_back(CGF.EHStack.stable_begin()); - } + if (DtorKind) + CGF.pushDestroyAndDeferDeactivation( + NormalAndEHCleanup, LV.getAddress(CGF), CurField->getType(), + CGF.getDestroyer(DtorKind), false); } } - - // Deactivate all the partial cleanups in reverse order, which - // generally means popping them. - for (unsigned i = Cleanups.size(); i != 0; --i) - CGF.DeactivateCleanupBlock(Cleanups[i-1], CleanupDominator); - - // Destroy the placeholder if we made one. - if (CleanupDominator) - CleanupDominator->eraseFromParent(); } void AggExprEmitter::VisitExprWithCleanups(ExprWithCleanups *E) { @@ -1705,14 +1690,7 @@ void AggExprEmitter::VisitCXXParenListOrInitListExpr( // We'll need to enter cleanup scopes in case any of the element // initializers throws an exception. SmallVector cleanups; - llvm::Instruction *cleanupDominator = nullptr; - auto addCleanup = [&](const EHScopeStack::stable_iterator &cleanup) { - cleanups.push_back(cleanup); - if (!cleanupDominator) // create placeholder once needed - cleanupDominator = CGF.Builder.CreateAlignedLoad( - CGF.Int8Ty, llvm::Constant::getNullValue(CGF.Int8PtrTy), - CharUnits::One()); - }; + CodeGenFunction::CleanupDeactivationScope DeactivateCleanups(CGF); unsigned curInitIndex = 0; @@ -1735,10 +1713,8 @@ void AggExprEmitter::VisitCXXParenListOrInitListExpr( CGF.EmitAggExpr(InitExprs[curInitIndex++], AggSlot); if (QualType::DestructionKind dtorKind = - Base.getType().isDestructedType()) { - CGF.pushDestroy(dtorKind, V, Base.getType()); - addCleanup(CGF.EHStack.stable_begin()); - } + Base.getType().isDestructedType()) + CGF.pushDestroyAndDeferDeactivation(dtorKind, V, Base.getType()); } } @@ -1755,7 +1731,9 @@ void AggExprEmitter::VisitCXXParenListOrInitListExpr( // Make sure that it's really an empty and not a failure of // semantic analysis. for (const auto *Field : record->fields()) - assert((Field->isUnnamedBitfield() || Field->isAnonymousStructOrUnion()) && "Only unnamed bitfields or ananymous class allowed"); + assert( + (Field->isUnnamedBitField() || Field->isAnonymousStructOrUnion()) && + "Only unnamed bitfields or ananymous class allowed"); #endif return; } @@ -1783,7 +1761,7 @@ void AggExprEmitter::VisitCXXParenListOrInitListExpr( break; // Always skip anonymous bitfields. - if (field->isUnnamedBitfield()) + if (field->isUnnamedBitField()) continue; // We're done if we reach the end of the explicit initializers, we @@ -1813,10 +1791,10 @@ void AggExprEmitter::VisitCXXParenListOrInitListExpr( if (QualType::DestructionKind dtorKind = field->getType().isDestructedType()) { assert(LV.isSimple()); - if (CGF.needsEHCleanup(dtorKind)) { - CGF.pushDestroy(EHCleanup, LV.getAddress(CGF), field->getType(), - CGF.getDestroyer(dtorKind), false); - addCleanup(CGF.EHStack.stable_begin()); + if (dtorKind) { + CGF.pushDestroyAndDeferDeactivation( + NormalAndEHCleanup, LV.getAddress(CGF), field->getType(), + CGF.getDestroyer(dtorKind), false); pushedCleanup = true; } } @@ -1829,17 +1807,6 @@ void AggExprEmitter::VisitCXXParenListOrInitListExpr( if (GEP->use_empty()) GEP->eraseFromParent(); } - - // Deactivate all the partial cleanups in reverse order, which - // generally means popping them. - assert((cleanupDominator || cleanups.empty()) && - "Missing cleanupDominator before deactivating cleanup blocks"); - for (unsigned i = cleanups.size(); i != 0; --i) - CGF.DeactivateCleanupBlock(cleanups[i-1], cleanupDominator); - - // Destroy the placeholder if we made one. - if (cleanupDominator) - cleanupDominator->eraseFromParent(); } void AggExprEmitter::VisitArrayInitLoopExpr(const ArrayInitLoopExpr *E, @@ -1988,7 +1955,7 @@ static CharUnits GetNumNonZeroBytesInInit(const Expr *E, CodeGenFunction &CGF) { if (Field->getType()->isIncompleteArrayType() || ILEElement == ILE->getNumInits()) break; - if (Field->isUnnamedBitfield()) + if (Field->isUnnamedBitField()) continue; const Expr *E = ILE->getInit(ILEElement++); diff --git a/clang/lib/CodeGen/CGExprCXX.cpp b/clang/lib/CodeGen/CGExprCXX.cpp index a4fb673284ceca6bde6cc331279a4c4b42b6e39d..c18c36d3f3f3267fba9906f2c81092b8bfe3ff94 100644 --- a/clang/lib/CodeGen/CGExprCXX.cpp +++ b/clang/lib/CodeGen/CGExprCXX.cpp @@ -1008,8 +1008,8 @@ void CodeGenFunction::EmitNewArrayInitializer( const Expr *Init = E->getInitializer(); Address EndOfInit = Address::invalid(); QualType::DestructionKind DtorKind = ElementType.isDestructedType(); - EHScopeStack::stable_iterator Cleanup; - llvm::Instruction *CleanupDominator = nullptr; + CleanupDeactivationScope deactivation(*this); + bool pushedCleanup = false; CharUnits ElementSize = getContext().getTypeSizeInChars(ElementType); CharUnits ElementAlign = @@ -1105,19 +1105,24 @@ void CodeGenFunction::EmitNewArrayInitializer( } // Enter a partial-destruction Cleanup if necessary. - if (needsEHCleanup(DtorKind)) { + if (DtorKind) { + AllocaTrackerRAII AllocaTracker(*this); // In principle we could tell the Cleanup where we are more // directly, but the control flow can get so varied here that it // would actually be quite complex. Therefore we go through an // alloca. + llvm::Instruction *DominatingIP = + Builder.CreateFlagLoad(llvm::ConstantInt::getNullValue(Int8PtrTy)); EndOfInit = CreateTempAlloca(BeginPtr.getType(), getPointerAlign(), "array.init.end"); - CleanupDominator = - Builder.CreateStore(BeginPtr.emitRawPointer(*this), EndOfInit); pushIrregularPartialArrayCleanup(BeginPtr.emitRawPointer(*this), EndOfInit, ElementType, ElementAlign, getDestroyer(DtorKind)); - Cleanup = EHStack.stable_begin(); + cast(*EHStack.find(EHStack.stable_begin())) + .AddAuxAllocas(AllocaTracker.Take()); + DeferredDeactivationCleanupStack.push_back( + {EHStack.stable_begin(), DominatingIP}); + pushedCleanup = true; } CharUnits StartAlign = CurPtr.getAlignment(); @@ -1164,9 +1169,6 @@ void CodeGenFunction::EmitNewArrayInitializer( // initialization. llvm::ConstantInt *ConstNum = dyn_cast(NumElements); if (ConstNum && ConstNum->getZExtValue() <= InitListElements) { - // If there was a Cleanup, deactivate it. - if (CleanupDominator) - DeactivateCleanupBlock(Cleanup, CleanupDominator); return; } @@ -1235,7 +1237,7 @@ void CodeGenFunction::EmitNewArrayInitializer( if (auto *CXXRD = dyn_cast(RType->getDecl())) NumElements = CXXRD->getNumBases(); for (auto *Field : RType->getDecl()->fields()) - if (!Field->isUnnamedBitfield()) + if (!Field->isUnnamedBitField()) ++NumElements; // FIXME: Recurse into nested InitListExprs. if (ILE->getNumInits() == NumElements) @@ -1281,13 +1283,14 @@ void CodeGenFunction::EmitNewArrayInitializer( Builder.CreateStore(CurPtr.emitRawPointer(*this), EndOfInit); // Enter a partial-destruction Cleanup if necessary. - if (!CleanupDominator && needsEHCleanup(DtorKind)) { - llvm::Value *BeginPtrRaw = BeginPtr.emitRawPointer(*this); - llvm::Value *CurPtrRaw = CurPtr.emitRawPointer(*this); - pushRegularPartialArrayCleanup(BeginPtrRaw, CurPtrRaw, ElementType, + if (!pushedCleanup && needsEHCleanup(DtorKind)) { + llvm::Instruction *DominatingIP = + Builder.CreateFlagLoad(llvm::ConstantInt::getNullValue(Int8PtrTy)); + pushRegularPartialArrayCleanup(BeginPtr.emitRawPointer(*this), + CurPtr.emitRawPointer(*this), ElementType, ElementAlign, getDestroyer(DtorKind)); - Cleanup = EHStack.stable_begin(); - CleanupDominator = Builder.CreateUnreachable(); + DeferredDeactivationCleanupStack.push_back( + {EHStack.stable_begin(), DominatingIP}); } // Emit the initializer into this element. @@ -1295,10 +1298,7 @@ void CodeGenFunction::EmitNewArrayInitializer( AggValueSlot::DoesNotOverlap); // Leave the Cleanup if we entered one. - if (CleanupDominator) { - DeactivateCleanupBlock(Cleanup, CleanupDominator); - CleanupDominator->eraseFromParent(); - } + deactivation.ForceDeactivate(); // Advance to the next element by adjusting the pointer type as necessary. llvm::Value *NextPtr = Builder.CreateConstInBoundsGEP1_32( diff --git a/clang/lib/CodeGen/CGExprConstant.cpp b/clang/lib/CodeGen/CGExprConstant.cpp index 9f1b06eebf9ed089c4dc1d2cbce75a203ff951f9..94962091116afbb2927c5ebe4ce81d5497a0e579 100644 --- a/clang/lib/CodeGen/CGExprConstant.cpp +++ b/clang/lib/CodeGen/CGExprConstant.cpp @@ -564,12 +564,13 @@ class ConstStructBuilder { public: static llvm::Constant *BuildStruct(ConstantEmitter &Emitter, - InitListExpr *ILE, QualType StructTy); + const InitListExpr *ILE, + QualType StructTy); static llvm::Constant *BuildStruct(ConstantEmitter &Emitter, const APValue &Value, QualType ValTy); static bool UpdateStruct(ConstantEmitter &Emitter, ConstantAggregateBuilder &Const, CharUnits Offset, - InitListExpr *Updater); + const InitListExpr *Updater); private: ConstStructBuilder(ConstantEmitter &Emitter, @@ -586,7 +587,7 @@ private: bool AppendBitField(const FieldDecl *Field, uint64_t FieldOffset, llvm::ConstantInt *InitExpr, bool AllowOverwrite = false); - bool Build(InitListExpr *ILE, bool AllowOverwrite); + bool Build(const InitListExpr *ILE, bool AllowOverwrite); bool Build(const APValue &Val, const RecordDecl *RD, bool IsPrimaryBase, const CXXRecordDecl *VTableClass, CharUnits BaseOffset); llvm::Constant *Finalize(QualType Ty); @@ -635,7 +636,7 @@ bool ConstStructBuilder::AppendBitField( static bool EmitDesignatedInitUpdater(ConstantEmitter &Emitter, ConstantAggregateBuilder &Const, CharUnits Offset, QualType Type, - InitListExpr *Updater) { + const InitListExpr *Updater) { if (Type->isRecordType()) return ConstStructBuilder::UpdateStruct(Emitter, Const, Offset, Updater); @@ -647,7 +648,7 @@ static bool EmitDesignatedInitUpdater(ConstantEmitter &Emitter, llvm::Type *ElemTy = Emitter.CGM.getTypes().ConvertTypeForMem(ElemType); llvm::Constant *FillC = nullptr; - if (Expr *Filler = Updater->getArrayFiller()) { + if (const Expr *Filler = Updater->getArrayFiller()) { if (!isa(Filler)) { FillC = Emitter.tryEmitAbstractForMemory(Filler, ElemType); if (!FillC) @@ -658,7 +659,7 @@ static bool EmitDesignatedInitUpdater(ConstantEmitter &Emitter, unsigned NumElementsToUpdate = FillC ? CAT->getZExtSize() : Updater->getNumInits(); for (unsigned I = 0; I != NumElementsToUpdate; ++I, Offset += ElemSize) { - Expr *Init = nullptr; + const Expr *Init = nullptr; if (I < Updater->getNumInits()) Init = Updater->getInit(I); @@ -667,7 +668,7 @@ static bool EmitDesignatedInitUpdater(ConstantEmitter &Emitter, return false; } else if (!Init || isa(Init)) { continue; - } else if (InitListExpr *ChildILE = dyn_cast(Init)) { + } else if (const auto *ChildILE = dyn_cast(Init)) { if (!EmitDesignatedInitUpdater(Emitter, Const, Offset, ElemType, ChildILE)) return false; @@ -683,7 +684,7 @@ static bool EmitDesignatedInitUpdater(ConstantEmitter &Emitter, return true; } -bool ConstStructBuilder::Build(InitListExpr *ILE, bool AllowOverwrite) { +bool ConstStructBuilder::Build(const InitListExpr *ILE, bool AllowOverwrite) { RecordDecl *RD = ILE->getType()->castAs()->getDecl(); const ASTRecordLayout &Layout = CGM.getContext().getASTRecordLayout(RD); @@ -706,12 +707,12 @@ bool ConstStructBuilder::Build(InitListExpr *ILE, bool AllowOverwrite) { continue; // Don't emit anonymous bitfields. - if (Field->isUnnamedBitfield()) + if (Field->isUnnamedBitField()) continue; // Get the initializer. A struct can include fields without initializers, // we just use explicit null values for them. - Expr *Init = nullptr; + const Expr *Init = nullptr; if (ElementNo < ILE->getNumInits()) Init = ILE->getInit(ElementNo++); if (Init && isa(Init)) @@ -840,7 +841,7 @@ bool ConstStructBuilder::Build(const APValue &Val, const RecordDecl *RD, continue; // Don't emit anonymous bitfields or zero-sized fields. - if (Field->isUnnamedBitfield() || Field->isZeroSize(CGM.getContext())) + if (Field->isUnnamedBitField() || Field->isZeroSize(CGM.getContext())) continue; // Emit the value of the initializer. @@ -879,7 +880,7 @@ llvm::Constant *ConstStructBuilder::Finalize(QualType Type) { } llvm::Constant *ConstStructBuilder::BuildStruct(ConstantEmitter &Emitter, - InitListExpr *ILE, + const InitListExpr *ILE, QualType ValTy) { ConstantAggregateBuilder Const(Emitter.CGM); ConstStructBuilder Builder(Emitter, Const, CharUnits::Zero()); @@ -906,7 +907,8 @@ llvm::Constant *ConstStructBuilder::BuildStruct(ConstantEmitter &Emitter, bool ConstStructBuilder::UpdateStruct(ConstantEmitter &Emitter, ConstantAggregateBuilder &Const, - CharUnits Offset, InitListExpr *Updater) { + CharUnits Offset, + const InitListExpr *Updater) { return ConstStructBuilder(Emitter, Const, Offset) .Build(Updater, /*AllowOverwrite*/ true); } @@ -1013,8 +1015,8 @@ EmitArrayConstant(CodeGenModule &CGM, llvm::ArrayType *DesiredType, // // Constant folding is currently missing support for a few features supported // here: CK_ToUnion, CK_ReinterpretMemberPointer, and DesignatedInitUpdateExpr. -class ConstExprEmitter : - public StmtVisitor { +class ConstExprEmitter + : public ConstStmtVisitor { CodeGenModule &CGM; ConstantEmitter &Emitter; llvm::LLVMContext &VMContext; @@ -1027,43 +1029,42 @@ public: // Visitor Methods //===--------------------------------------------------------------------===// - llvm::Constant *VisitStmt(Stmt *S, QualType T) { - return nullptr; - } + llvm::Constant *VisitStmt(const Stmt *S, QualType T) { return nullptr; } - llvm::Constant *VisitConstantExpr(ConstantExpr *CE, QualType T) { + llvm::Constant *VisitConstantExpr(const ConstantExpr *CE, QualType T) { if (llvm::Constant *Result = Emitter.tryEmitConstantExpr(CE)) return Result; return Visit(CE->getSubExpr(), T); } - llvm::Constant *VisitParenExpr(ParenExpr *PE, QualType T) { + llvm::Constant *VisitParenExpr(const ParenExpr *PE, QualType T) { return Visit(PE->getSubExpr(), T); } llvm::Constant * - VisitSubstNonTypeTemplateParmExpr(SubstNonTypeTemplateParmExpr *PE, + VisitSubstNonTypeTemplateParmExpr(const SubstNonTypeTemplateParmExpr *PE, QualType T) { return Visit(PE->getReplacement(), T); } - llvm::Constant *VisitGenericSelectionExpr(GenericSelectionExpr *GE, + llvm::Constant *VisitGenericSelectionExpr(const GenericSelectionExpr *GE, QualType T) { return Visit(GE->getResultExpr(), T); } - llvm::Constant *VisitChooseExpr(ChooseExpr *CE, QualType T) { + llvm::Constant *VisitChooseExpr(const ChooseExpr *CE, QualType T) { return Visit(CE->getChosenSubExpr(), T); } - llvm::Constant *VisitCompoundLiteralExpr(CompoundLiteralExpr *E, QualType T) { + llvm::Constant *VisitCompoundLiteralExpr(const CompoundLiteralExpr *E, + QualType T) { return Visit(E->getInitializer(), T); } - llvm::Constant *VisitCastExpr(CastExpr *E, QualType destType) { + llvm::Constant *VisitCastExpr(const CastExpr *E, QualType destType) { if (const auto *ECE = dyn_cast(E)) CGM.EmitExplicitCastExprType(ECE, Emitter.CGF); - Expr *subExpr = E->getSubExpr(); + const Expr *subExpr = E->getSubExpr(); switch (E->getCastKind()) { case CK_ToUnion: { @@ -1117,7 +1118,8 @@ public: // interesting conversions should be done in Evaluate(). But as a // special case, allow compound literals to support the gcc extension // allowing "struct x {int x;} x = (struct x) {};". - if (auto *E = dyn_cast(subExpr->IgnoreParens())) + if (const auto *E = + dyn_cast(subExpr->IgnoreParens())) return Visit(E->getInitializer(), destType); return nullptr; } @@ -1232,21 +1234,22 @@ public: llvm_unreachable("Invalid CastKind"); } - llvm::Constant *VisitCXXDefaultInitExpr(CXXDefaultInitExpr *DIE, QualType T) { + llvm::Constant *VisitCXXDefaultInitExpr(const CXXDefaultInitExpr *DIE, + QualType T) { // No need for a DefaultInitExprScope: we don't handle 'this' in a // constant expression. return Visit(DIE->getExpr(), T); } - llvm::Constant *VisitExprWithCleanups(ExprWithCleanups *E, QualType T) { + llvm::Constant *VisitExprWithCleanups(const ExprWithCleanups *E, QualType T) { return Visit(E->getSubExpr(), T); } - llvm::Constant *VisitIntegerLiteral(IntegerLiteral *I, QualType T) { + llvm::Constant *VisitIntegerLiteral(const IntegerLiteral *I, QualType T) { return llvm::ConstantInt::get(CGM.getLLVMContext(), I->getValue()); } - llvm::Constant *EmitArrayInitialization(InitListExpr *ILE, QualType T) { + llvm::Constant *EmitArrayInitialization(const InitListExpr *ILE, QualType T) { auto *CAT = CGM.getContext().getAsConstantArrayType(ILE->getType()); assert(CAT && "can't emit array init for non-constant-bound array"); unsigned NumInitElements = ILE->getNumInits(); @@ -1260,7 +1263,7 @@ public: // Initialize remaining array elements. llvm::Constant *fillC = nullptr; - if (Expr *filler = ILE->getArrayFiller()) { + if (const Expr *filler = ILE->getArrayFiller()) { fillC = Emitter.tryEmitAbstractForMemory(filler, EltType); if (!fillC) return nullptr; @@ -1275,7 +1278,7 @@ public: llvm::Type *CommonElementType = nullptr; for (unsigned i = 0; i < NumInitableElts; ++i) { - Expr *Init = ILE->getInit(i); + const Expr *Init = ILE->getInit(i); llvm::Constant *C = Emitter.tryEmitPrivateForMemory(Init, EltType); if (!C) return nullptr; @@ -1292,16 +1295,17 @@ public: fillC); } - llvm::Constant *EmitRecordInitialization(InitListExpr *ILE, QualType T) { + llvm::Constant *EmitRecordInitialization(const InitListExpr *ILE, + QualType T) { return ConstStructBuilder::BuildStruct(Emitter, ILE, T); } - llvm::Constant *VisitImplicitValueInitExpr(ImplicitValueInitExpr* E, + llvm::Constant *VisitImplicitValueInitExpr(const ImplicitValueInitExpr *E, QualType T) { return CGM.EmitNullConstant(T); } - llvm::Constant *VisitInitListExpr(InitListExpr *ILE, QualType T) { + llvm::Constant *VisitInitListExpr(const InitListExpr *ILE, QualType T) { if (ILE->isTransparent()) return Visit(ILE->getInit(0), T); @@ -1314,8 +1318,9 @@ public: return nullptr; } - llvm::Constant *VisitDesignatedInitUpdateExpr(DesignatedInitUpdateExpr *E, - QualType destType) { + llvm::Constant * + VisitDesignatedInitUpdateExpr(const DesignatedInitUpdateExpr *E, + QualType destType) { auto C = Visit(E->getBase(), destType); if (!C) return nullptr; @@ -1329,12 +1334,13 @@ public: llvm::Type *ValTy = CGM.getTypes().ConvertType(destType); bool HasFlexibleArray = false; - if (auto *RT = destType->getAs()) + if (const auto *RT = destType->getAs()) HasFlexibleArray = RT->getDecl()->hasFlexibleArrayMember(); return Const.build(ValTy, HasFlexibleArray); } - llvm::Constant *VisitCXXConstructExpr(CXXConstructExpr *E, QualType Ty) { + llvm::Constant *VisitCXXConstructExpr(const CXXConstructExpr *E, + QualType Ty) { if (!E->getConstructor()->isTrivial()) return nullptr; @@ -1344,13 +1350,13 @@ public: assert(E->getConstructor()->isCopyOrMoveConstructor() && "trivial ctor has argument but isn't a copy/move ctor"); - Expr *Arg = E->getArg(0); + const Expr *Arg = E->getArg(0); assert(CGM.getContext().hasSameUnqualifiedType(Ty, Arg->getType()) && "argument to copy ctor is of wrong type"); // Look through the temporary; it's just converting the value to an // lvalue to pass it to the constructor. - if (auto *MTE = dyn_cast(Arg)) + if (const auto *MTE = dyn_cast(Arg)) return Visit(MTE->getSubExpr(), Ty); // Don't try to support arbitrary lvalue-to-rvalue conversions for now. return nullptr; @@ -1359,12 +1365,12 @@ public: return CGM.EmitNullConstant(Ty); } - llvm::Constant *VisitStringLiteral(StringLiteral *E, QualType T) { + llvm::Constant *VisitStringLiteral(const StringLiteral *E, QualType T) { // This is a string literal initializing an array in an initializer. return CGM.GetConstantArrayFromStringLiteral(E); } - llvm::Constant *VisitObjCEncodeExpr(ObjCEncodeExpr *E, QualType T) { + llvm::Constant *VisitObjCEncodeExpr(const ObjCEncodeExpr *E, QualType T) { // This must be an @encode initializing an array in a static initializer. // Don't emit it as the address of the string, emit the string data itself // as an inline array. @@ -1383,14 +1389,14 @@ public: return Visit(E->getSubExpr(), T); } - llvm::Constant *VisitUnaryMinus(UnaryOperator *U, QualType T) { + llvm::Constant *VisitUnaryMinus(const UnaryOperator *U, QualType T) { if (llvm::Constant *C = Visit(U->getSubExpr(), T)) if (auto *CI = dyn_cast(C)) return llvm::ConstantInt::get(CGM.getLLVMContext(), -CI->getValue()); return nullptr; } - llvm::Constant *VisitPackIndexingExpr(PackIndexingExpr *E, QualType T) { + llvm::Constant *VisitPackIndexingExpr(const PackIndexingExpr *E, QualType T) { return Visit(E->getSelectedExpr(), T); } @@ -1696,8 +1702,7 @@ llvm::Constant *ConstantEmitter::tryEmitPrivateForVarInit(const VarDecl &D) { if (!destType->isReferenceType()) { QualType nonMemoryDestType = getNonMemoryType(CGM, destType); - if (llvm::Constant *C = ConstExprEmitter(*this).Visit(const_cast(E), - nonMemoryDestType)) + if (llvm::Constant *C = ConstExprEmitter(*this).Visit(E, nonMemoryDestType)) return emitForMemory(C, destType); } @@ -1777,8 +1782,7 @@ llvm::Constant *ConstantEmitter::tryEmitPrivate(const Expr *E, assert(!destType->isVoidType() && "can't emit a void constant"); if (!destType->isReferenceType()) - if (llvm::Constant *C = - ConstExprEmitter(*this).Visit(const_cast(E), destType)) + if (llvm::Constant *C = ConstExprEmitter(*this).Visit(E, destType)) return C; Expr::EvalResult Result; @@ -2022,7 +2026,7 @@ ConstantLValue ConstantLValueEmitter::VisitObjCBoxedExpr(const ObjCBoxedExpr *E) { assert(E->isExpressibleAsConstantInitializer() && "this boxed expression can't be emitted as a compile-time constant"); - auto *SL = cast(E->getSubExpr()->IgnoreParenCasts()); + const auto *SL = cast(E->getSubExpr()->IgnoreParenCasts()); return emitConstantObjCStringLiteral(SL, E->getType(), CGM); } @@ -2048,12 +2052,12 @@ ConstantLValueEmitter::VisitCallExpr(const CallExpr *E) { builtin != Builtin::BI__builtin___NSStringMakeConstantString) return nullptr; - auto literal = cast(E->getArg(0)->IgnoreParenCasts()); + const auto *Literal = cast(E->getArg(0)->IgnoreParenCasts()); if (builtin == Builtin::BI__builtin___NSStringMakeConstantString) { - return CGM.getObjCRuntime().GenerateConstantString(literal); + return CGM.getObjCRuntime().GenerateConstantString(Literal); } else { // FIXME: need to deal with UCN conversion issues. - return CGM.GetAddrOfConstantCFString(literal); + return CGM.GetAddrOfConstantCFString(Literal); } } diff --git a/clang/lib/CodeGen/CGExprScalar.cpp b/clang/lib/CodeGen/CGExprScalar.cpp index 1f18e0d5ba409a88b3e51b098219685d7a5fc8cb..af48e8d2b839e0c023e54ee2e0151d4b45b3e3f0 100644 --- a/clang/lib/CodeGen/CGExprScalar.cpp +++ b/clang/lib/CodeGen/CGExprScalar.cpp @@ -147,6 +147,15 @@ struct BinOpInfo { return UnOp->getSubExpr()->getType()->isFixedPointType(); return false; } + + /// Check if the RHS has a signed integer representation. + bool rhsHasSignedIntegerRepresentation() const { + if (const auto *BinOp = dyn_cast(E)) { + QualType RHSType = BinOp->getRHS()->getType(); + return RHSType->hasSignedIntegerRepresentation(); + } + return false; + } }; static bool MustVisitNullValue(const Expr *E) { @@ -782,7 +791,7 @@ public: void EmitUndefinedBehaviorIntegerDivAndRemCheck(const BinOpInfo &Ops, llvm::Value *Zero,bool isDiv); // Common helper for getting how wide LHS of shift is. - static Value *GetMaximumShiftAmount(Value *LHS, Value *RHS); + static Value *GetMaximumShiftAmount(Value *LHS, Value *RHS, bool RHSIsSigned); // Used for shifting constraints for OpenCL, do mask for powers of 2, URem for // non powers of two. @@ -1531,7 +1540,7 @@ Value *ScalarExprEmitter::EmitScalarConversion(Value *Src, QualType SrcType, if (auto DstPT = dyn_cast(DstTy)) { // The source value may be an integer, or a pointer. if (isa(SrcTy)) - return Builder.CreateBitCast(Src, DstTy, "conv"); + return Src; assert(SrcType->isIntegerType() && "Not ptr->ptr or int->ptr conversion?"); // First, convert to the correct width so that we control the kind of @@ -2321,7 +2330,7 @@ Value *ScalarExprEmitter::VisitCastExpr(CastExpr *CE) { } // Perform VLAT <-> VLST bitcast through memory. - // TODO: since the llvm.experimental.vector.{insert,extract} intrinsics + // TODO: since the llvm.vector.{insert,extract} intrinsics // require the element types of the vectors to be the same, we // need to keep this around for bitcasts between VLAT <-> VLST where // the element types of the vectors are not the same, until we figure @@ -4344,7 +4353,8 @@ Value *ScalarExprEmitter::EmitSub(const BinOpInfo &op) { return Builder.CreateExactSDiv(diffInChars, divisor, "sub.ptr.div"); } -Value *ScalarExprEmitter::GetMaximumShiftAmount(Value *LHS, Value *RHS) { +Value *ScalarExprEmitter::GetMaximumShiftAmount(Value *LHS, Value *RHS, + bool RHSIsSigned) { llvm::IntegerType *Ty; if (llvm::VectorType *VT = dyn_cast(LHS->getType())) Ty = cast(VT->getElementType()); @@ -4355,7 +4365,9 @@ Value *ScalarExprEmitter::GetMaximumShiftAmount(Value *LHS, Value *RHS) { // this in ConstantInt::get, this results in the value getting truncated. // Constrain the return value to be max(RHS) in this case. llvm::Type *RHSTy = RHS->getType(); - llvm::APInt RHSMax = llvm::APInt::getMaxValue(RHSTy->getScalarSizeInBits()); + llvm::APInt RHSMax = + RHSIsSigned ? llvm::APInt::getSignedMaxValue(RHSTy->getScalarSizeInBits()) + : llvm::APInt::getMaxValue(RHSTy->getScalarSizeInBits()); if (RHSMax.ult(Ty->getBitWidth())) return llvm::ConstantInt::get(RHSTy, RHSMax); return llvm::ConstantInt::get(RHSTy, Ty->getBitWidth() - 1); @@ -4370,7 +4382,7 @@ Value *ScalarExprEmitter::ConstrainShiftValue(Value *LHS, Value *RHS, Ty = cast(LHS->getType()); if (llvm::isPowerOf2_64(Ty->getBitWidth())) - return Builder.CreateAnd(RHS, GetMaximumShiftAmount(LHS, RHS), Name); + return Builder.CreateAnd(RHS, GetMaximumShiftAmount(LHS, RHS, false), Name); return Builder.CreateURem( RHS, llvm::ConstantInt::get(RHS->getType(), Ty->getBitWidth()), Name); @@ -4403,7 +4415,9 @@ Value *ScalarExprEmitter::EmitShl(const BinOpInfo &Ops) { isa(Ops.LHS->getType())) { CodeGenFunction::SanitizerScope SanScope(&CGF); SmallVector, 2> Checks; - llvm::Value *WidthMinusOne = GetMaximumShiftAmount(Ops.LHS, Ops.RHS); + bool RHSIsSigned = Ops.rhsHasSignedIntegerRepresentation(); + llvm::Value *WidthMinusOne = + GetMaximumShiftAmount(Ops.LHS, Ops.RHS, RHSIsSigned); llvm::Value *ValidExponent = Builder.CreateICmpULE(Ops.RHS, WidthMinusOne); if (SanitizeExponent) { @@ -4421,7 +4435,7 @@ Value *ScalarExprEmitter::EmitShl(const BinOpInfo &Ops) { Builder.CreateCondBr(ValidExponent, CheckShiftBase, Cont); llvm::Value *PromotedWidthMinusOne = (RHS == Ops.RHS) ? WidthMinusOne - : GetMaximumShiftAmount(Ops.LHS, RHS); + : GetMaximumShiftAmount(Ops.LHS, RHS, RHSIsSigned); CGF.EmitBlock(CheckShiftBase); llvm::Value *BitsShiftedOff = Builder.CreateLShr( Ops.LHS, Builder.CreateSub(PromotedWidthMinusOne, RHS, "shl.zeros", @@ -4471,8 +4485,9 @@ Value *ScalarExprEmitter::EmitShr(const BinOpInfo &Ops) { else if (CGF.SanOpts.has(SanitizerKind::ShiftExponent) && isa(Ops.LHS->getType())) { CodeGenFunction::SanitizerScope SanScope(&CGF); - llvm::Value *Valid = - Builder.CreateICmpULE(Ops.RHS, GetMaximumShiftAmount(Ops.LHS, Ops.RHS)); + bool RHSIsSigned = Ops.rhsHasSignedIntegerRepresentation(); + llvm::Value *Valid = Builder.CreateICmpULE( + Ops.RHS, GetMaximumShiftAmount(Ops.LHS, Ops.RHS, RHSIsSigned)); EmitBinOpCheck(std::make_pair(Valid, SanitizerKind::ShiftExponent), Ops); } diff --git a/clang/lib/CodeGen/CGHLSLRuntime.h b/clang/lib/CodeGen/CGHLSLRuntime.h index 506b364f5b2ec7110399dee74a54c195930cc9cc..0abe39dedcb96f81a5f5b3d62ca5aaf103936727 100644 --- a/clang/lib/CodeGen/CGHLSLRuntime.h +++ b/clang/lib/CodeGen/CGHLSLRuntime.h @@ -74,6 +74,7 @@ public: GENERATE_HLSL_INTRINSIC_FUNCTION(All, all) GENERATE_HLSL_INTRINSIC_FUNCTION(Any, any) + GENERATE_HLSL_INTRINSIC_FUNCTION(Lerp, lerp) GENERATE_HLSL_INTRINSIC_FUNCTION(ThreadId, thread_id) //===----------------------------------------------------------------------===// diff --git a/clang/lib/CodeGen/CGObjCGNU.cpp b/clang/lib/CodeGen/CGObjCGNU.cpp index 4e7f777ba1d9160fd872c7a3466fcf2a438f12e2..43dd38659518d11616bd3abfe2d466aff0fc178a 100644 --- a/clang/lib/CodeGen/CGObjCGNU.cpp +++ b/clang/lib/CodeGen/CGObjCGNU.cpp @@ -2905,23 +2905,29 @@ CGObjCGNU::GenerateMessageSend(CodeGenFunction &CGF, break; case CodeGenOptions::Mixed: case CodeGenOptions::NonLegacy: + StringRef name = "objc_msgSend"; if (CGM.ReturnTypeUsesFPRet(ResultType)) { - imp = - CGM.CreateRuntimeFunction(llvm::FunctionType::get(IdTy, IdTy, true), - "objc_msgSend_fpret") - .getCallee(); + name = "objc_msgSend_fpret"; } else if (CGM.ReturnTypeUsesSRet(MSI.CallInfo)) { - // The actual types here don't matter - we're going to bitcast the - // function anyway - imp = - CGM.CreateRuntimeFunction(llvm::FunctionType::get(IdTy, IdTy, true), - "objc_msgSend_stret") - .getCallee(); - } else { - imp = CGM.CreateRuntimeFunction( - llvm::FunctionType::get(IdTy, IdTy, true), "objc_msgSend") - .getCallee(); + name = "objc_msgSend_stret"; + + // The address of the memory block is be passed in x8 for POD type, + // or in x0 for non-POD type (marked as inreg). + bool shouldCheckForInReg = + CGM.getContext() + .getTargetInfo() + .getTriple() + .isWindowsMSVCEnvironment() && + CGM.getContext().getTargetInfo().getTriple().isAArch64(); + if (shouldCheckForInReg && CGM.ReturnTypeHasInReg(MSI.CallInfo)) { + name = "objc_msgSend_stret2"; + } } + // The actual types here don't matter - we're going to bitcast the + // function anyway + imp = CGM.CreateRuntimeFunction(llvm::FunctionType::get(IdTy, IdTy, true), + name) + .getCallee(); } // Reset the receiver in case the lookup modified it diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.cpp b/clang/lib/CodeGen/CGOpenMPRuntime.cpp index 2ae11e129c75e42b88df5ceae7d3d1c71c3a6339..e39c7c58d2780e5488a848bf97161b96bbd6732b 100644 --- a/clang/lib/CodeGen/CGOpenMPRuntime.cpp +++ b/clang/lib/CodeGen/CGOpenMPRuntime.cpp @@ -742,8 +742,8 @@ LValue ReductionCodeGen::emitSharedLValue(CodeGenFunction &CGF, const Expr *E) { LValue ReductionCodeGen::emitSharedLValueUB(CodeGenFunction &CGF, const Expr *E) { - if (const auto *OASE = dyn_cast(E)) - return CGF.EmitOMPArraySectionExpr(OASE, /*IsLowerBound=*/false); + if (const auto *OASE = dyn_cast(E)) + return CGF.EmitArraySectionExpr(OASE, /*IsLowerBound=*/false); return LValue(); } @@ -800,7 +800,7 @@ void ReductionCodeGen::emitSharedOrigLValue(CodeGenFunction &CGF, unsigned N) { void ReductionCodeGen::emitAggregateType(CodeGenFunction &CGF, unsigned N) { QualType PrivateType = getPrivateType(N); - bool AsArraySection = isa(ClausesData[N].Ref); + bool AsArraySection = isa(ClausesData[N].Ref); if (!PrivateType->isVariablyModifiedType()) { Sizes.emplace_back( CGF.getTypeSize(OrigAddresses[N].first.getType().getNonReferenceType()), @@ -941,9 +941,9 @@ static Address castToBase(CodeGenFunction &CGF, QualType BaseTy, QualType ElTy, static const VarDecl *getBaseDecl(const Expr *Ref, const DeclRefExpr *&DE) { const VarDecl *OrigVD = nullptr; - if (const auto *OASE = dyn_cast(Ref)) { + if (const auto *OASE = dyn_cast(Ref)) { const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); - while (const auto *TempOASE = dyn_cast(Base)) + while (const auto *TempOASE = dyn_cast(Base)) Base = TempOASE->getBase()->IgnoreParenImpCasts(); while (const auto *TempASE = dyn_cast(Base)) Base = TempASE->getBase()->IgnoreParenImpCasts(); @@ -3570,9 +3570,8 @@ getPointerAndSize(CodeGenFunction &CGF, const Expr *E) { SizeVal = CGF.Builder.CreateNUWMul(SizeVal, Sz); } } else if (const auto *ASE = - dyn_cast(E->IgnoreParenImpCasts())) { - LValue UpAddrLVal = - CGF.EmitOMPArraySectionExpr(ASE, /*IsLowerBound=*/false); + dyn_cast(E->IgnoreParenImpCasts())) { + LValue UpAddrLVal = CGF.EmitArraySectionExpr(ASE, /*IsLowerBound=*/false); Address UpAddrAddress = UpAddrLVal.getAddress(CGF); llvm::Value *UpAddr = CGF.Builder.CreateConstGEP1_32( UpAddrAddress.getElementType(), UpAddrAddress.emitRawPointer(CGF), @@ -6672,8 +6671,8 @@ private: // Given that an array section is considered a built-in type, we need to // do the calculation based on the length of the section instead of relying // on CGF.getTypeSize(E->getType()). - if (const auto *OAE = dyn_cast(E)) { - QualType BaseTy = OMPArraySectionExpr::getBaseOriginalType( + if (const auto *OAE = dyn_cast(E)) { + QualType BaseTy = ArraySectionExpr::getBaseOriginalType( OAE->getBase()->IgnoreParenImpCasts()) .getCanonicalType(); @@ -6779,7 +6778,7 @@ private: /// Return true if the provided expression is a final array section. A /// final array section, is one whose length can't be proved to be one. bool isFinalArraySectionExpression(const Expr *E) const { - const auto *OASE = dyn_cast(E); + const auto *OASE = dyn_cast(E); // It is not an array section and therefore not a unity-size one. if (!OASE) @@ -6795,7 +6794,7 @@ private: // for this dimension. Also, we should always expect a length if the // base type is pointer. if (!Length) { - QualType BaseQTy = OMPArraySectionExpr::getBaseOriginalType( + QualType BaseQTy = ArraySectionExpr::getBaseOriginalType( OASE->getBase()->IgnoreParenImpCasts()) .getCanonicalType(); if (const auto *ATy = dyn_cast(BaseQTy.getTypePtr())) @@ -7027,7 +7026,7 @@ private: Address BP = Address::invalid(); const Expr *AssocExpr = I->getAssociatedExpression(); const auto *AE = dyn_cast(AssocExpr); - const auto *OASE = dyn_cast(AssocExpr); + const auto *OASE = dyn_cast(AssocExpr); const auto *OAShE = dyn_cast(AssocExpr); if (isa(AssocExpr)) { @@ -7179,14 +7178,14 @@ private: // special treatment for array sections given that they are built-in // types. const auto *OASE = - dyn_cast(I->getAssociatedExpression()); + dyn_cast(I->getAssociatedExpression()); const auto *OAShE = dyn_cast(I->getAssociatedExpression()); const auto *UO = dyn_cast(I->getAssociatedExpression()); const auto *BO = dyn_cast(I->getAssociatedExpression()); bool IsPointer = OAShE || - (OASE && OMPArraySectionExpr::getBaseOriginalType(OASE) + (OASE && ArraySectionExpr::getBaseOriginalType(OASE) .getCanonicalType() ->isAnyPointerType()) || I->getAssociatedExpression()->getType()->isAnyPointerType(); @@ -7207,7 +7206,7 @@ private: assert((Next == CE || isa(Next->getAssociatedExpression()) || isa(Next->getAssociatedExpression()) || - isa(Next->getAssociatedExpression()) || + isa(Next->getAssociatedExpression()) || isa(Next->getAssociatedExpression()) || isa(Next->getAssociatedExpression()) || isa(Next->getAssociatedExpression())) && @@ -7439,7 +7438,7 @@ private: PartialStruct.LowestElem = {FieldIndex, LowestElem}; if (IsFinalArraySection) { Address HB = - CGF.EmitOMPArraySectionExpr(OASE, /*IsLowerBound=*/false) + CGF.EmitArraySectionExpr(OASE, /*IsLowerBound=*/false) .getAddress(CGF); PartialStruct.HighestElem = {FieldIndex, HB}; } else { @@ -7452,7 +7451,7 @@ private: } else if (FieldIndex > PartialStruct.HighestElem.first) { if (IsFinalArraySection) { Address HB = - CGF.EmitOMPArraySectionExpr(OASE, /*IsLowerBound=*/false) + CGF.EmitArraySectionExpr(OASE, /*IsLowerBound=*/false) .getAddress(CGF); PartialStruct.HighestElem = {FieldIndex, HB}; } else { @@ -7510,12 +7509,12 @@ private: for (const OMPClauseMappableExprCommon::MappableComponent &Component : Components) { const Expr *AssocExpr = Component.getAssociatedExpression(); - const auto *OASE = dyn_cast(AssocExpr); + const auto *OASE = dyn_cast(AssocExpr); if (!OASE) continue; - QualType Ty = OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); + QualType Ty = ArraySectionExpr::getBaseOriginalType(OASE->getBase()); auto *CAT = Context.getAsConstantArrayType(Ty); auto *VAT = Context.getAsVariableArrayType(Ty); @@ -7589,7 +7588,7 @@ private: continue; } - const auto *OASE = dyn_cast(AssocExpr); + const auto *OASE = dyn_cast(AssocExpr); if (!OASE) continue; @@ -8780,7 +8779,7 @@ static ValueDecl *getDeclFromThisExpr(const Expr *E) { if (!E) return nullptr; - if (const auto *OASE = dyn_cast(E->IgnoreParenCasts())) + if (const auto *OASE = dyn_cast(E->IgnoreParenCasts())) if (const MemberExpr *ME = dyn_cast(OASE->getBase()->IgnoreParenImpCasts())) return ME->getMemberDecl(); diff --git a/clang/lib/CodeGen/CGOpenMPRuntimeGPU.cpp b/clang/lib/CodeGen/CGOpenMPRuntimeGPU.cpp index eb716520e5ff562754f645acf3e7198f0de5da25..87496c8e488c679b1ffb74d00d87a04eedf41a9b 100644 --- a/clang/lib/CodeGen/CGOpenMPRuntimeGPU.cpp +++ b/clang/lib/CodeGen/CGOpenMPRuntimeGPU.cpp @@ -92,9 +92,9 @@ static const ValueDecl *getPrivateItem(const Expr *RefExpr) { while (const auto *TempASE = dyn_cast(Base)) Base = TempASE->getBase()->IgnoreParenImpCasts(); RefExpr = Base; - } else if (auto *OASE = dyn_cast(RefExpr)) { + } else if (auto *OASE = dyn_cast(RefExpr)) { const Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); - while (const auto *TempOASE = dyn_cast(Base)) + while (const auto *TempOASE = dyn_cast(Base)) Base = TempOASE->getBase()->IgnoreParenImpCasts(); while (const auto *TempASE = dyn_cast(Base)) Base = TempASE->getBase()->IgnoreParenImpCasts(); diff --git a/clang/lib/CodeGen/CGStmtOpenMP.cpp b/clang/lib/CodeGen/CGStmtOpenMP.cpp index a0a8a07c76ba16528fea5c39459684d7ee37a74c..ef3aa3a8e0dc619fd3b0f95e654ccb812cd5b573 100644 --- a/clang/lib/CodeGen/CGStmtOpenMP.cpp +++ b/clang/lib/CodeGen/CGStmtOpenMP.cpp @@ -1256,7 +1256,7 @@ void CodeGenFunction::EmitOMPReductionClauseInit( const auto *LHSVD = cast(cast(*ILHS)->getDecl()); const auto *RHSVD = cast(cast(*IRHS)->getDecl()); QualType Type = PrivateVD->getType(); - bool isaOMPArraySectionExpr = isa(IRef); + bool isaOMPArraySectionExpr = isa(IRef); if (isaOMPArraySectionExpr && Type->isVariablyModifiedType()) { // Store the address of the original variable associated with the LHS // implicit variable. @@ -7289,7 +7289,7 @@ void CodeGenFunction::EmitOMPUseDevicePtrClause( static const VarDecl *getBaseDecl(const Expr *Ref) { const Expr *Base = Ref->IgnoreParenImpCasts(); - while (const auto *OASE = dyn_cast(Base)) + while (const auto *OASE = dyn_cast(Base)) Base = OASE->getBase()->IgnoreParenImpCasts(); while (const auto *ASE = dyn_cast(Base)) Base = ASE->getBase()->IgnoreParenImpCasts(); diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp index 86a6ddd80cc11464aa65b310fe050f44dbe12217..87766a758311d5f0e2b50e5a8dc8b58535735a30 100644 --- a/clang/lib/CodeGen/CodeGenFunction.cpp +++ b/clang/lib/CodeGen/CodeGenFunction.cpp @@ -91,6 +91,8 @@ CodeGenFunction::CodeGenFunction(CodeGenModule &cgm, bool suppressNewContext) CodeGenFunction::~CodeGenFunction() { assert(LifetimeExtendedCleanupStack.empty() && "failed to emit a cleanup"); + assert(DeferredDeactivationCleanupStack.empty() && + "missed to deactivate a cleanup"); if (getLangOpts().OpenMP && CurFn) CGM.getOpenMPRuntime().functionFinished(*this); @@ -346,6 +348,10 @@ static void EmitIfUsed(CodeGenFunction &CGF, llvm::BasicBlock *BB) { void CodeGenFunction::FinishFunction(SourceLocation EndLoc) { assert(BreakContinueStack.empty() && "mismatched push/pop in break/continue stack!"); + assert(LifetimeExtendedCleanupStack.empty() && + "mismatched push/pop of cleanups in EHStack!"); + assert(DeferredDeactivationCleanupStack.empty() && + "mismatched activate/deactivate of cleanups!"); bool OnlySimpleReturnStmts = NumSimpleReturnExprs > 0 && NumSimpleReturnExprs == NumReturnExprs diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h index ff1873325d409fe758ddc1665d597b6ae2d0accc..6e7417fc7f52b679c26bcf7fd0aa5d0a3f8c60a7 100644 --- a/clang/lib/CodeGen/CodeGenFunction.h +++ b/clang/lib/CodeGen/CodeGenFunction.h @@ -39,6 +39,7 @@ #include "llvm/ADT/MapVector.h" #include "llvm/ADT/SmallVector.h" #include "llvm/Frontend/OpenMP/OMPIRBuilder.h" +#include "llvm/IR/Instructions.h" #include "llvm/IR/ValueHandle.h" #include "llvm/Support/Debug.h" #include "llvm/Transforms/Utils/SanitizerStats.h" @@ -670,6 +671,51 @@ public: EHScopeStack EHStack; llvm::SmallVector LifetimeExtendedCleanupStack; + + // A stack of cleanups which were added to EHStack but have to be deactivated + // later before being popped or emitted. These are usually deactivated on + // exiting a `CleanupDeactivationScope` scope. For instance, after a + // full-expr. + // + // These are specially useful for correctly emitting cleanups while + // encountering branches out of expression (through stmt-expr or coroutine + // suspensions). + struct DeferredDeactivateCleanup { + EHScopeStack::stable_iterator Cleanup; + llvm::Instruction *DominatingIP; + }; + llvm::SmallVector DeferredDeactivationCleanupStack; + + // Enters a new scope for capturing cleanups which are deferred to be + // deactivated, all of which will be deactivated once the scope is exited. + struct CleanupDeactivationScope { + CodeGenFunction &CGF; + size_t OldDeactivateCleanupStackSize; + bool Deactivated; + CleanupDeactivationScope(CodeGenFunction &CGF) + : CGF(CGF), OldDeactivateCleanupStackSize( + CGF.DeferredDeactivationCleanupStack.size()), + Deactivated(false) {} + + void ForceDeactivate() { + assert(!Deactivated && "Deactivating already deactivated scope"); + auto &Stack = CGF.DeferredDeactivationCleanupStack; + for (size_t I = Stack.size(); I > OldDeactivateCleanupStackSize; I--) { + CGF.DeactivateCleanupBlock(Stack[I - 1].Cleanup, + Stack[I - 1].DominatingIP); + Stack[I - 1].DominatingIP->eraseFromParent(); + } + Stack.resize(OldDeactivateCleanupStackSize); + Deactivated = true; + } + + ~CleanupDeactivationScope() { + if (Deactivated) + return; + ForceDeactivate(); + } + }; + llvm::SmallVector SEHTryEpilogueStack; llvm::Instruction *CurrentFuncletPad = nullptr; @@ -875,6 +921,19 @@ public: new (Buffer + sizeof(Header) + sizeof(T)) RawAddress(ActiveFlag); } + // Push a cleanup onto EHStack and deactivate it later. It is usually + // deactivated when exiting a `CleanupDeactivationScope` (for example: after a + // full expression). + template + void pushCleanupAndDeferDeactivation(CleanupKind Kind, As... A) { + // Placeholder dominating IP for this cleanup. + llvm::Instruction *DominatingIP = + Builder.CreateFlagLoad(llvm::Constant::getNullValue(Int8PtrTy)); + EHStack.pushCleanup(Kind, A...); + DeferredDeactivationCleanupStack.push_back( + {EHStack.stable_begin(), DominatingIP}); + } + /// Set up the last cleanup that was pushed as a conditional /// full-expression cleanup. void initFullExprCleanup() { @@ -898,7 +957,8 @@ public: /// PopCleanupBlock - Will pop the cleanup entry on the stack and /// process all branch fixups. - void PopCleanupBlock(bool FallThroughIsBranchThrough = false); + void PopCleanupBlock(bool FallThroughIsBranchThrough = false, + bool ForDeactivation = false); /// DeactivateCleanupBlock - Deactivates the given cleanup block. /// The block cannot be reactivated. Pops it if it's the top of the @@ -926,6 +986,7 @@ public: class RunCleanupsScope { EHScopeStack::stable_iterator CleanupStackDepth, OldCleanupScopeDepth; size_t LifetimeExtendedCleanupStackSize; + CleanupDeactivationScope DeactivateCleanups; bool OldDidCallStackSave; protected: bool PerformCleanup; @@ -940,8 +1001,7 @@ public: public: /// Enter a new cleanup scope. explicit RunCleanupsScope(CodeGenFunction &CGF) - : PerformCleanup(true), CGF(CGF) - { + : DeactivateCleanups(CGF), PerformCleanup(true), CGF(CGF) { CleanupStackDepth = CGF.EHStack.stable_begin(); LifetimeExtendedCleanupStackSize = CGF.LifetimeExtendedCleanupStack.size(); @@ -971,6 +1031,7 @@ public: void ForceCleanup(std::initializer_list ValuesToReload = {}) { assert(PerformCleanup && "Already forced cleanup"); CGF.DidCallStackSave = OldDidCallStackSave; + DeactivateCleanups.ForceDeactivate(); CGF.PopCleanupBlocks(CleanupStackDepth, LifetimeExtendedCleanupStackSize, ValuesToReload); PerformCleanup = false; @@ -2160,6 +2221,11 @@ public: Address addr, QualType type); void pushDestroy(CleanupKind kind, Address addr, QualType type, Destroyer *destroyer, bool useEHCleanupForArray); + void pushDestroyAndDeferDeactivation(QualType::DestructionKind dtorKind, + Address addr, QualType type); + void pushDestroyAndDeferDeactivation(CleanupKind cleanupKind, Address addr, + QualType type, Destroyer *destroyer, + bool useEHCleanupForArray); void pushLifetimeExtendedDestroy(CleanupKind kind, Address addr, QualType type, Destroyer *destroyer, bool useEHCleanupForArray); @@ -2698,6 +2764,33 @@ public: TBAAAccessInfo *TBAAInfo = nullptr); LValue EmitLoadOfPointerLValue(Address Ptr, const PointerType *PtrTy); +private: + struct AllocaTracker { + void Add(llvm::AllocaInst *I) { Allocas.push_back(I); } + llvm::SmallVector Take() { return std::move(Allocas); } + + private: + llvm::SmallVector Allocas; + }; + AllocaTracker *Allocas = nullptr; + +public: + // Captures all the allocas created during the scope of its RAII object. + struct AllocaTrackerRAII { + AllocaTrackerRAII(CodeGenFunction &CGF) + : CGF(CGF), OldTracker(CGF.Allocas) { + CGF.Allocas = &Tracker; + } + ~AllocaTrackerRAII() { CGF.Allocas = OldTracker; } + + llvm::SmallVector Take() { return Tracker.Take(); } + + private: + CodeGenFunction &CGF; + AllocaTracker *OldTracker; + AllocaTracker Tracker; + }; + /// CreateTempAlloca - This creates an alloca and inserts it into the entry /// block if \p ArraySize is nullptr, otherwise inserts it at the current /// insertion point of the builder. The caller is responsible for setting an @@ -3204,12 +3297,12 @@ public: llvm::Value *Index, QualType IndexType, QualType IndexedType, bool Accessed); - // Find a struct's flexible array member. It may be embedded inside multiple - // sub-structs, but must still be the last field. - const FieldDecl *FindFlexibleArrayMemberField(ASTContext &Ctx, - const RecordDecl *RD, - StringRef Name, - uint64_t &Offset); + // Find a struct's flexible array member and get its offset. It may be + // embedded inside multiple sub-structs, but must still be the last field. + const FieldDecl * + FindFlexibleArrayMemberFieldAndOffset(ASTContext &Ctx, const RecordDecl *RD, + const FieldDecl *FAMDecl, + uint64_t &Offset); /// Find the FieldDecl specified in a FAM's "counted_by" attribute. Returns /// \p nullptr if either the attribute or the field doesn't exist. @@ -4169,8 +4262,8 @@ public: LValue EmitArraySubscriptExpr(const ArraySubscriptExpr *E, bool Accessed = false); LValue EmitMatrixSubscriptExpr(const MatrixSubscriptExpr *E); - LValue EmitOMPArraySectionExpr(const OMPArraySectionExpr *E, - bool IsLowerBound = true); + LValue EmitArraySectionExpr(const ArraySectionExpr *E, + bool IsLowerBound = true); LValue EmitExtVectorElementExpr(const ExtVectorElementExpr *E); LValue EmitMemberExpr(const MemberExpr *E); LValue EmitObjCIsaExpr(const ObjCIsaExpr *E); diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index 0c447b20cef40d6098b2c742a632ddeaf4ba64b3..c8898ce196c1edb0010ba49c3c699b663d0f9845 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -68,11 +68,12 @@ #include "llvm/Support/CommandLine.h" #include "llvm/Support/ConvertUTF.h" #include "llvm/Support/ErrorHandling.h" -#include "llvm/Support/RISCVISAInfo.h" #include "llvm/Support/TimeProfiler.h" #include "llvm/Support/xxhash.h" +#include "llvm/TargetParser/RISCVISAInfo.h" #include "llvm/TargetParser/Triple.h" #include "llvm/TargetParser/X86TargetParser.h" +#include "llvm/Transforms/Utils/BuildLibCalls.h" #include using namespace clang; @@ -442,6 +443,11 @@ CodeGenModule::CodeGenModule(ASTContext &C, } ModuleNameHash = llvm::getUniqueInternalLinkagePostfix(Path); } + + // Record mregparm value now so it is visible through all of codegen. + if (Context.getTargetInfo().getTriple().getArch() == llvm::Triple::x86) + getModule().addModuleFlag(llvm::Module::Error, "NumRegisterParameters", + CodeGenOpts.NumRegisterParameters); } CodeGenModule::~CodeGenModule() {} @@ -980,11 +986,6 @@ void CodeGenModule::Release() { NMD->addOperand(MD); } - // Record mregparm value now so it is visible through rest of codegen. - if (Context.getTargetInfo().getTriple().getArch() == llvm::Triple::x86) - getModule().addModuleFlag(llvm::Module::Error, "NumRegisterParameters", - CodeGenOpts.NumRegisterParameters); - if (CodeGenOpts.DwarfVersion) { getModule().addModuleFlag(llvm::Module::Max, "Dwarf Version", CodeGenOpts.DwarfVersion); @@ -4781,6 +4782,10 @@ CodeGenModule::CreateRuntimeFunction(llvm::FunctionType *FTy, StringRef Name, } } setDSOLocal(F); + // FIXME: We should use CodeGenModule::SetLLVMFunctionAttributes() instead + // of trying to approximate the attributes using the LLVM function + // signature. This requires revising the API of CreateRuntimeFunction(). + markRegisterParameterAttributes(F); } } diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h index 1cc447765e2c977cec62df9b7aaa54c44e20ebc4..be43a18fc60856b6e9fb0f79e89112f4948b8aec 100644 --- a/clang/lib/CodeGen/CodeGenModule.h +++ b/clang/lib/CodeGen/CodeGenModule.h @@ -1241,6 +1241,9 @@ public: /// Return true iff the given type uses 'sret' when used as a return type. bool ReturnTypeUsesSRet(const CGFunctionInfo &FI); + /// Return true iff the given type has `inreg` set. + bool ReturnTypeHasInReg(const CGFunctionInfo &FI); + /// Return true iff the given type uses an argument slot when 'sret' is used /// as a return type. bool ReturnSlotInterferesWithArgs(const CGFunctionInfo &FI); diff --git a/clang/lib/CodeGen/CodeGenTBAA.cpp b/clang/lib/CodeGen/CodeGenTBAA.cpp index da689ee6a13d7087ee019caccbd18911888ee33b..284421f494711e3c8c50479dad3a8bc8e4614b8e 100644 --- a/clang/lib/CodeGen/CodeGenTBAA.cpp +++ b/clang/lib/CodeGen/CodeGenTBAA.cpp @@ -414,7 +414,7 @@ llvm::MDNode *CodeGenTBAA::getBaseTypeInfoHelper(const Type *Ty) { }); } for (FieldDecl *Field : RD->fields()) { - if (Field->isZeroSize(Context) || Field->isUnnamedBitfield()) + if (Field->isZeroSize(Context) || Field->isUnnamedBitField()) continue; QualType FieldQTy = Field->getType(); llvm::MDNode *TypeNode = isValidBaseType(FieldQTy) diff --git a/clang/lib/CodeGen/CodeGenTypes.cpp b/clang/lib/CodeGen/CodeGenTypes.cpp index 1568b6e6275b9dee1c65a56f872f2897c24cba0f..e8d75eda029e6653a3d46218020a7bab6d425cdb 100644 --- a/clang/lib/CodeGen/CodeGenTypes.cpp +++ b/clang/lib/CodeGen/CodeGenTypes.cpp @@ -409,7 +409,7 @@ llvm::Type *CodeGenTypes::ConvertType(QualType T) { break; case BuiltinType::LongDouble: LongDoubleReferenced = true; - LLVM_FALLTHROUGH; + [[fallthrough]]; case BuiltinType::BFloat16: case BuiltinType::Float: case BuiltinType::Double: diff --git a/clang/lib/CodeGen/CoverageMappingGen.cpp b/clang/lib/CodeGen/CoverageMappingGen.cpp index 71215da362d3d01a3c1fc622db29a4103fb44cff..733686d4946b3c1e529d80d11e5e9e743c6ed6b7 100644 --- a/clang/lib/CodeGen/CoverageMappingGen.cpp +++ b/clang/lib/CodeGen/CoverageMappingGen.cpp @@ -1208,6 +1208,12 @@ struct CounterCoverageMappingBuilder /// Find a valid gap range between \p AfterLoc and \p BeforeLoc. std::optional findGapAreaBetween(SourceLocation AfterLoc, SourceLocation BeforeLoc) { + // Some statements (like AttributedStmt and ImplicitValueInitExpr) don't + // have valid source locations. Do not emit a gap region if this is the case + // in either AfterLoc end or BeforeLoc end. + if (AfterLoc.isInvalid() || BeforeLoc.isInvalid()) + return std::nullopt; + // If AfterLoc is in function-like macro, use the right parenthesis // location. if (AfterLoc.isMacroID()) { @@ -1368,9 +1374,8 @@ struct CounterCoverageMappingBuilder for (const Stmt *Child : S->children()) if (Child) { // If last statement contains terminate statements, add a gap area - // between the two statements. Skipping attributed statements, because - // they don't have valid start location. - if (LastStmt && HasTerminateStmt && !isa(Child)) { + // between the two statements. + if (LastStmt && HasTerminateStmt) { auto Gap = findGapAreaBetween(getEnd(LastStmt), getStart(Child)); if (Gap) fillGapAreaWithCount(Gap->getBegin(), Gap->getEnd(), @@ -2011,11 +2016,13 @@ struct CounterCoverageMappingBuilder Counter TrueCount = llvm::EnableSingleByteCoverage ? getRegionCounter(E->getTrueExpr()) : getRegionCounter(E); - - propagateCounts(ParentCount, E->getCond()); Counter OutCount; - if (!isa(E)) { + if (const auto *BCO = dyn_cast(E)) { + propagateCounts(ParentCount, BCO->getCommon()); + OutCount = TrueCount; + } else { + propagateCounts(ParentCount, E->getCond()); // The 'then' count applies to the area immediately after the condition. auto Gap = findGapAreaBetween(E->getQuestionLoc(), getStart(E->getTrueExpr())); @@ -2024,8 +2031,6 @@ struct CounterCoverageMappingBuilder extendRegion(E->getTrueExpr()); OutCount = propagateCounts(TrueCount, E->getTrueExpr()); - } else { - OutCount = TrueCount; } extendRegion(E->getFalseExpr()); diff --git a/clang/lib/CodeGen/MicrosoftCXXABI.cpp b/clang/lib/CodeGen/MicrosoftCXXABI.cpp index d38a26940a3cb613a29557019f92b60b49cb7a9e..d47927745759e1406d0b97cb6cd34d5b05a6ddf6 100644 --- a/clang/lib/CodeGen/MicrosoftCXXABI.cpp +++ b/clang/lib/CodeGen/MicrosoftCXXABI.cpp @@ -1131,9 +1131,15 @@ static bool isTrivialForMSVC(const CXXRecordDecl *RD, QualType Ty, return false; if (RD->hasNonTrivialCopyAssignment()) return false; - for (const CXXConstructorDecl *Ctor : RD->ctors()) - if (Ctor->isUserProvided()) - return false; + for (const Decl *D : RD->decls()) { + if (auto *Ctor = dyn_cast(D)) { + if (Ctor->isUserProvided()) + return false; + } else if (auto *Template = dyn_cast(D)) { + if (isa(Template->getTemplatedDecl())) + return false; + } + } if (RD->hasNonTrivialDestructor()) return false; return true; diff --git a/clang/lib/CodeGen/Targets/X86.cpp b/clang/lib/CodeGen/Targets/X86.cpp index f04db56db3357dd26364d4ce23fe0ecb6b7ccc1d..94cf0d86f9bed7256d20a2d7f0abc507608baa97 100644 --- a/clang/lib/CodeGen/Targets/X86.cpp +++ b/clang/lib/CodeGen/Targets/X86.cpp @@ -2087,7 +2087,7 @@ void X86_64ABIInfo::classify(QualType Ty, uint64_t OffsetBase, Class &Lo, bool BitField = i->isBitField(); // Ignore padding bit-fields. - if (BitField && i->isUnnamedBitfield()) + if (BitField && i->isUnnamedBitField()) continue; // AMD64-ABI 3.2.3p2: Rule 1. If the size of an object is larger than @@ -2128,7 +2128,7 @@ void X86_64ABIInfo::classify(QualType Ty, uint64_t OffsetBase, Class &Lo, // structure to be passed in memory even if unaligned, and // therefore they can straddle an eightbyte. if (BitField) { - assert(!i->isUnnamedBitfield()); + assert(!i->isUnnamedBitField()); uint64_t Offset = OffsetBase + Layout.getFieldOffset(idx); uint64_t Size = i->getBitWidthValue(getContext()); diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp index 0da92001e08c2701481b697ab3a30d7be6913bd7..114320f5d314681ebef32466078da47dc4f8e235 100644 --- a/clang/lib/Driver/Driver.cpp +++ b/clang/lib/Driver/Driver.cpp @@ -87,12 +87,12 @@ #include "llvm/Support/PrettyStackTrace.h" #include "llvm/Support/Process.h" #include "llvm/Support/Program.h" -#include "llvm/Support/RISCVISAInfo.h" #include "llvm/Support/Regex.h" #include "llvm/Support/StringSaver.h" #include "llvm/Support/VirtualFileSystem.h" #include "llvm/Support/raw_ostream.h" #include "llvm/TargetParser/Host.h" +#include "llvm/TargetParser/RISCVISAInfo.h" #include // ::getenv #include #include @@ -361,6 +361,7 @@ phases::ID Driver::getFinalPhase(const DerivedArgList &DAL, (PhaseArg = DAL.getLastArg(options::OPT_rewrite_legacy_objc)) || (PhaseArg = DAL.getLastArg(options::OPT__migrate)) || (PhaseArg = DAL.getLastArg(options::OPT__analyze)) || + (PhaseArg = DAL.getLastArg(options::OPT_emit_cir)) || (PhaseArg = DAL.getLastArg(options::OPT_emit_ast))) { FinalPhase = phases::Compile; @@ -4799,6 +4800,8 @@ Action *Driver::ConstructPhaseAction( return C.MakeAction(Input, types::TY_Remap); if (Args.hasArg(options::OPT_emit_ast)) return C.MakeAction(Input, types::TY_AST); + if (Args.hasArg(options::OPT_emit_cir)) + return C.MakeAction(Input, types::TY_CIR); if (Args.hasArg(options::OPT_module_file_info)) return C.MakeAction(Input, types::TY_ModuleFile); if (Args.hasArg(options::OPT_verify_pch)) diff --git a/clang/lib/Driver/OffloadBundler.cpp b/clang/lib/Driver/OffloadBundler.cpp index 77c89356bc76bb38a4b0771b739b281a92bb709f..8cc82a0ee7168729ccd39eedff8de7df5b32cd3c 100644 --- a/clang/lib/Driver/OffloadBundler.cpp +++ b/clang/lib/Driver/OffloadBundler.cpp @@ -1010,6 +1010,10 @@ CompressedOffloadBundle::compress(llvm::compression::Params P, uint16_t CompressionMethod = static_cast(P.format); uint32_t UncompressedSize = Input.getBuffer().size(); + uint32_t TotalFileSize = MagicNumber.size() + sizeof(TotalFileSize) + + sizeof(Version) + sizeof(CompressionMethod) + + sizeof(UncompressedSize) + sizeof(TruncatedHash) + + CompressedBuffer.size(); SmallVector FinalBuffer; llvm::raw_svector_ostream OS(FinalBuffer); @@ -1017,6 +1021,8 @@ CompressedOffloadBundle::compress(llvm::compression::Params P, OS.write(reinterpret_cast(&Version), sizeof(Version)); OS.write(reinterpret_cast(&CompressionMethod), sizeof(CompressionMethod)); + OS.write(reinterpret_cast(&TotalFileSize), + sizeof(TotalFileSize)); OS.write(reinterpret_cast(&UncompressedSize), sizeof(UncompressedSize)); OS.write(reinterpret_cast(&TruncatedHash), @@ -1034,6 +1040,8 @@ CompressedOffloadBundle::compress(llvm::compression::Params P, (UncompressedSize / (1024.0 * 1024.0)) / CompressionTimeSeconds; llvm::errs() << "Compressed bundle format version: " << Version << "\n" + << "Total file size (including headers): " + << formatWithCommas(TotalFileSize) << " bytes\n" << "Compression method used: " << MethodUsed << "\n" << "Compression level: " << P.level << "\n" << "Binary size before compression: " @@ -1059,9 +1067,9 @@ CompressedOffloadBundle::decompress(const llvm::MemoryBuffer &Input, StringRef Blob = Input.getBuffer(); - if (Blob.size() < HeaderSize) { + if (Blob.size() < V1HeaderSize) return llvm::MemoryBuffer::getMemBufferCopy(Blob); - } + if (llvm::identify_magic(Blob) != llvm::file_magic::offload_bundle_compressed) { if (Verbose) @@ -1069,21 +1077,32 @@ CompressedOffloadBundle::decompress(const llvm::MemoryBuffer &Input, return llvm::MemoryBuffer::getMemBufferCopy(Blob); } + size_t CurrentOffset = MagicSize; + uint16_t ThisVersion; + memcpy(&ThisVersion, Blob.data() + CurrentOffset, sizeof(uint16_t)); + CurrentOffset += VersionFieldSize; + uint16_t CompressionMethod; + memcpy(&CompressionMethod, Blob.data() + CurrentOffset, sizeof(uint16_t)); + CurrentOffset += MethodFieldSize; + + uint32_t TotalFileSize; + if (ThisVersion >= 2) { + if (Blob.size() < V2HeaderSize) + return createStringError(inconvertibleErrorCode(), + "Compressed bundle header size too small"); + memcpy(&TotalFileSize, Blob.data() + CurrentOffset, sizeof(uint32_t)); + CurrentOffset += FileSizeFieldSize; + } + uint32_t UncompressedSize; + memcpy(&UncompressedSize, Blob.data() + CurrentOffset, sizeof(uint32_t)); + CurrentOffset += UncompressedSizeFieldSize; + uint64_t StoredHash; - memcpy(&ThisVersion, Input.getBuffer().data() + MagicNumber.size(), - sizeof(uint16_t)); - memcpy(&CompressionMethod, Blob.data() + MagicSize + VersionFieldSize, - sizeof(uint16_t)); - memcpy(&UncompressedSize, - Blob.data() + MagicSize + VersionFieldSize + MethodFieldSize, - sizeof(uint32_t)); - memcpy(&StoredHash, - Blob.data() + MagicSize + VersionFieldSize + MethodFieldSize + - SizeFieldSize, - sizeof(uint64_t)); + memcpy(&StoredHash, Blob.data() + CurrentOffset, sizeof(uint64_t)); + CurrentOffset += HashFieldSize; llvm::compression::Format CompressionFormat; if (CompressionMethod == @@ -1102,7 +1121,7 @@ CompressedOffloadBundle::decompress(const llvm::MemoryBuffer &Input, DecompressTimer.startTimer(); SmallVector DecompressedData; - StringRef CompressedData = Blob.substr(HeaderSize); + StringRef CompressedData = Blob.substr(CurrentOffset); if (llvm::Error DecompressionError = llvm::compression::decompress( CompressionFormat, llvm::arrayRefFromStringRef(CompressedData), DecompressedData, UncompressedSize)) @@ -1135,8 +1154,11 @@ CompressedOffloadBundle::decompress(const llvm::MemoryBuffer &Input, double DecompressionSpeedMBs = (UncompressedSize / (1024.0 * 1024.0)) / DecompressionTimeSeconds; - llvm::errs() << "Compressed bundle format version: " << ThisVersion << "\n" - << "Decompression method: " + llvm::errs() << "Compressed bundle format version: " << ThisVersion << "\n"; + if (ThisVersion >= 2) + llvm::errs() << "Total file size (from header): " + << formatWithCommas(TotalFileSize) << " bytes\n"; + llvm::errs() << "Decompression method: " << (CompressionFormat == llvm::compression::Format::Zlib ? "zlib" : "zstd") diff --git a/clang/lib/Driver/SanitizerArgs.cpp b/clang/lib/Driver/SanitizerArgs.cpp index 8bfe9f02a091d17a01c3c4c4fd48d38c50a25dca..6a4f2548c0bffaf98e4488b3a138dc9f78f833b5 100644 --- a/clang/lib/Driver/SanitizerArgs.cpp +++ b/clang/lib/Driver/SanitizerArgs.cpp @@ -1192,7 +1192,9 @@ void SanitizerArgs::addArgs(const ToolChain &TC, const llvm::opt::ArgList &Args, BinaryMetadataIgnorelistFiles); } - if (TC.getTriple().isOSWindows() && needsUbsanRt()) { + if (TC.getTriple().isOSWindows() && needsUbsanRt() && + Args.hasFlag(options::OPT_frtlib_defaultlib, + options::OPT_fno_rtlib_defaultlib, true)) { // Instruct the code generator to embed linker directives in the object file // that cause the required runtime libraries to be linked. CmdArgs.push_back( @@ -1203,7 +1205,9 @@ void SanitizerArgs::addArgs(const ToolChain &TC, const llvm::opt::ArgList &Args, "--dependent-lib=" + TC.getCompilerRTBasename(Args, "ubsan_standalone_cxx"))); } - if (TC.getTriple().isOSWindows() && needsStatsRt()) { + if (TC.getTriple().isOSWindows() && needsStatsRt() && + Args.hasFlag(options::OPT_frtlib_defaultlib, + options::OPT_fno_rtlib_defaultlib, true)) { CmdArgs.push_back(Args.MakeArgString( "--dependent-lib=" + TC.getCompilerRTBasename(Args, "stats_client"))); diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp index 237092ed07e5dcf09dd90974d7a634d4cfecb507..0e86bc07e0ea2c5d5265bc0a1422f535e70d0449 100644 --- a/clang/lib/Driver/ToolChain.cpp +++ b/clang/lib/Driver/ToolChain.cpp @@ -1307,19 +1307,35 @@ void ToolChain::AddCCKextLibArgs(const ArgList &Args, bool ToolChain::isFastMathRuntimeAvailable(const ArgList &Args, std::string &Path) const { + // Don't implicitly link in mode-changing libraries in a shared library, since + // this can have very deleterious effects. See the various links from + // https://github.com/llvm/llvm-project/issues/57589 for more information. + bool Default = !Args.hasArgNoClaim(options::OPT_shared); + // Do not check for -fno-fast-math or -fno-unsafe-math when -Ofast passed // (to keep the linker options consistent with gcc and clang itself). - if (!isOptimizationLevelFast(Args)) { + if (Default && !isOptimizationLevelFast(Args)) { // Check if -ffast-math or -funsafe-math. - Arg *A = - Args.getLastArg(options::OPT_ffast_math, options::OPT_fno_fast_math, - options::OPT_funsafe_math_optimizations, - options::OPT_fno_unsafe_math_optimizations); + Arg *A = Args.getLastArg( + options::OPT_ffast_math, options::OPT_fno_fast_math, + options::OPT_funsafe_math_optimizations, + options::OPT_fno_unsafe_math_optimizations, options::OPT_ffp_model_EQ); if (!A || A->getOption().getID() == options::OPT_fno_fast_math || A->getOption().getID() == options::OPT_fno_unsafe_math_optimizations) - return false; + Default = false; + if (A && A->getOption().getID() == options::OPT_ffp_model_EQ) { + StringRef Model = A->getValue(); + if (Model != "fast") + Default = false; + } } + + // Whatever decision came as a result of the above implicit settings, either + // -mdaz-ftz or -mno-daz-ftz is capable of overriding it. + if (!Args.hasFlag(options::OPT_mdaz_ftz, options::OPT_mno_daz_ftz, Default)) + return false; + // If crtfastmath.o exists add it to the arguments. Path = GetFilePath("crtfastmath.o"); return (Path != "crtfastmath.o"); // Not found. diff --git a/clang/lib/Driver/ToolChains/AIX.cpp b/clang/lib/Driver/ToolChains/AIX.cpp index 3f10888596a29a04d7dea3f1af0962be4c680b01..aab98506adb96f0a86f0389b01ca92515312ddd3 100644 --- a/clang/lib/Driver/ToolChains/AIX.cpp +++ b/clang/lib/Driver/ToolChains/AIX.cpp @@ -362,6 +362,28 @@ AIX::GetHeaderSysroot(const llvm::opt::ArgList &DriverArgs) const { return "/"; } +void AIX::AddOpenMPIncludeArgs(const ArgList &DriverArgs, + ArgStringList &CC1Args) const { + // Add OpenMP include paths if -fopenmp is specified. + if (DriverArgs.hasFlag(options::OPT_fopenmp, options::OPT_fopenmp_EQ, + options::OPT_fno_openmp, false)) { + SmallString<128> PathOpenMP; + switch (getDriver().getOpenMPRuntime(DriverArgs)) { + case Driver::OMPRT_OMP: + PathOpenMP = GetHeaderSysroot(DriverArgs); + llvm::sys::path::append(PathOpenMP, "opt/IBM/openxlCSDK", "include", + "openmp"); + addSystemInclude(DriverArgs, CC1Args, PathOpenMP.str()); + break; + case Driver::OMPRT_IOMP5: + case Driver::OMPRT_GOMP: + case Driver::OMPRT_Unknown: + // Unknown / unsupported include paths. + break; + } + } +} + void AIX::AddClangSystemIncludeArgs(const ArgList &DriverArgs, ArgStringList &CC1Args) const { // Return if -nostdinc is specified as a driver option. @@ -380,6 +402,11 @@ void AIX::AddClangSystemIncludeArgs(const ArgList &DriverArgs, addSystemInclude(DriverArgs, CC1Args, path::parent_path(P.str())); } + // Add the include directory containing omp.h. This needs to be before + // adding the system include directory because other compilers put their + // omp.h in /usr/include. + AddOpenMPIncludeArgs(DriverArgs, CC1Args); + // Return if -nostdlibinc is specified as a driver option. if (DriverArgs.hasArg(options::OPT_nostdlibinc)) return; diff --git a/clang/lib/Driver/ToolChains/AIX.h b/clang/lib/Driver/ToolChains/AIX.h index 755d87e07ec5003e69ca366ca67504a0c3a3776b..8f130f6b54547c9e73735ad3cc4353c53846f24d 100644 --- a/clang/lib/Driver/ToolChains/AIX.h +++ b/clang/lib/Driver/ToolChains/AIX.h @@ -105,6 +105,8 @@ protected: private: llvm::StringRef GetHeaderSysroot(const llvm::opt::ArgList &DriverArgs) const; bool ParseInlineAsmUsingAsmParser; + void AddOpenMPIncludeArgs(const llvm::opt::ArgList &DriverArgs, + llvm::opt::ArgStringList &CC1Args) const; }; } // end namespace toolchains diff --git a/clang/lib/Driver/ToolChains/AMDGPU.cpp b/clang/lib/Driver/ToolChains/AMDGPU.cpp index 4e6362a0f40632246ae10abc6512d703332164f0..07965b487ea79be0618244e140eda5d8a747cd68 100644 --- a/clang/lib/Driver/ToolChains/AMDGPU.cpp +++ b/clang/lib/Driver/ToolChains/AMDGPU.cpp @@ -617,8 +617,7 @@ void amdgpu::Linker::ConstructJob(Compilation &C, const JobAction &JA, const InputInfoList &Inputs, const ArgList &Args, const char *LinkingOutput) const { - - std::string Linker = getToolChain().GetProgramPath(getShortName()); + std::string Linker = getToolChain().GetLinkerPath(); ArgStringList CmdArgs; CmdArgs.push_back("--no-undefined"); CmdArgs.push_back("-shared"); diff --git a/clang/lib/Driver/ToolChains/Arch/PPC.cpp b/clang/lib/Driver/ToolChains/Arch/PPC.cpp index 5ffe73236205d3b2ef166ba71cf69052e85055a7..634c096523319d8d5b4f0a61dba9945f8177f578 100644 --- a/clang/lib/Driver/ToolChains/Arch/PPC.cpp +++ b/clang/lib/Driver/ToolChains/Arch/PPC.cpp @@ -125,21 +125,22 @@ void ppc::getPPCTargetFeatures(const Driver &D, const llvm::Triple &Triple, bool UseSeparateSections = isUseSeparateSections(Triple); bool HasDefaultDataSections = Triple.isOSBinFormatXCOFF(); - if (Args.hasArg(options::OPT_maix_small_local_exec_tls)) { + if (Args.hasArg(options::OPT_maix_small_local_exec_tls) || + Args.hasArg(options::OPT_maix_small_local_dynamic_tls)) { if (!Triple.isOSAIX() || !Triple.isArch64Bit()) - D.Diag(diag::err_opt_not_valid_on_target) << "-maix-small-local-exec-tls"; + D.Diag(diag::err_opt_not_valid_on_target) + << "-maix-small-local-[exec|dynamic]-tls"; - // The -maix-small-local-exec-tls option should only be used with + // The -maix-small-local-[exec|dynamic]-tls option should only be used with // -fdata-sections, as having data sections turned off with this option - // is not ideal for performance. Moreover, the small-local-exec-tls region - // is a limited resource, and should not be used for variables that may - // be replaced. + // is not ideal for performance. Moreover, the + // small-local-[exec|dynamic]-tls region is a limited resource, and should + // not be used for variables that may be replaced. if (!Args.hasFlag(options::OPT_fdata_sections, options::OPT_fno_data_sections, UseSeparateSections || HasDefaultDataSections)) D.Diag(diag::err_drv_argument_only_allowed_with) - << "-maix-small-local-exec-tls" - << "-fdata-sections"; + << "-maix-small-local-[exec|dynamic]-tls" << "-fdata-sections"; } } diff --git a/clang/lib/Driver/ToolChains/Arch/RISCV.cpp b/clang/lib/Driver/ToolChains/Arch/RISCV.cpp index 96b3cc3bb8ffb1620afb43ca88f17e44827931a7..2e2bce8494672fe0e29086fbf768de1d3c256b31 100644 --- a/clang/lib/Driver/ToolChains/Arch/RISCV.cpp +++ b/clang/lib/Driver/ToolChains/Arch/RISCV.cpp @@ -15,9 +15,9 @@ #include "clang/Driver/Options.h" #include "llvm/Option/ArgList.h" #include "llvm/Support/Error.h" -#include "llvm/Support/RISCVISAInfo.h" #include "llvm/Support/raw_ostream.h" #include "llvm/TargetParser/Host.h" +#include "llvm/TargetParser/RISCVISAInfo.h" #include "llvm/TargetParser/RISCVTargetParser.h" using namespace clang::driver; diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp index 096ed14f957046a3dc7f8c41d20c4aa837acf5b9..1f08c5958dfb60e65bdd46f8af4a8e33fc08982c 100644 --- a/clang/lib/Driver/ToolChains/Clang.cpp +++ b/clang/lib/Driver/ToolChains/Clang.cpp @@ -54,11 +54,11 @@ #include "llvm/Support/FileSystem.h" #include "llvm/Support/Path.h" #include "llvm/Support/Process.h" -#include "llvm/Support/RISCVISAInfo.h" #include "llvm/Support/YAMLParser.h" #include "llvm/TargetParser/ARMTargetParserCommon.h" #include "llvm/TargetParser/Host.h" #include "llvm/TargetParser/LoongArchTargetParser.h" +#include "llvm/TargetParser/RISCVISAInfo.h" #include "llvm/TargetParser/RISCVTargetParser.h" #include @@ -637,7 +637,9 @@ static void addPGOAndCoverageFlags(const ToolChain &TC, Compilation &C, ProfileGenerateArg->getValue())); // The default is to use Clang Instrumentation. CmdArgs.push_back("-fprofile-instrument=clang"); - if (TC.getTriple().isWindowsMSVCEnvironment()) { + if (TC.getTriple().isWindowsMSVCEnvironment() && + Args.hasFlag(options::OPT_frtlib_defaultlib, + options::OPT_fno_rtlib_defaultlib, true)) { // Add dependent lib for clang_rt.profile CmdArgs.push_back(Args.MakeArgString( "--dependent-lib=" + TC.getCompilerRTBasename(Args, "profile"))); @@ -656,7 +658,9 @@ static void addPGOAndCoverageFlags(const ToolChain &TC, Compilation &C, CmdArgs.push_back("-fprofile-instrument=csllvm"); } if (PGOGenArg) { - if (TC.getTriple().isWindowsMSVCEnvironment()) { + if (TC.getTriple().isWindowsMSVCEnvironment() && + Args.hasFlag(options::OPT_frtlib_defaultlib, + options::OPT_fno_rtlib_defaultlib, true)) { // Add dependent lib for clang_rt.profile CmdArgs.push_back(Args.MakeArgString( "--dependent-lib=" + TC.getCompilerRTBasename(Args, "profile"))); @@ -831,36 +835,6 @@ static void addPGOAndCoverageFlags(const ToolChain &TC, Compilation &C, } } -/// Check whether the given input tree contains any compilation actions. -static bool ContainsCompileAction(const Action *A) { - if (isa(A) || isa(A)) - return true; - - return llvm::any_of(A->inputs(), ContainsCompileAction); -} - -/// Check if -relax-all should be passed to the internal assembler. -/// This is done by default when compiling non-assembler source with -O0. -static bool UseRelaxAll(Compilation &C, const ArgList &Args) { - bool RelaxDefault = true; - - if (Arg *A = Args.getLastArg(options::OPT_O_Group)) - RelaxDefault = A->getOption().matches(options::OPT_O0); - - if (RelaxDefault) { - RelaxDefault = false; - for (const auto &Act : C.getActions()) { - if (ContainsCompileAction(Act)) { - RelaxDefault = true; - break; - } - } - } - - return Args.hasFlag(options::OPT_mrelax_all, options::OPT_mno_relax_all, - RelaxDefault); -} - static void RenderDebugEnablingArgs(const ArgList &Args, ArgStringList &CmdArgs, llvm::codegenoptions::DebugInfoKind DebugInfoKind, @@ -2458,8 +2432,16 @@ static void CollectArgsForIntegratedAssembler(Compilation &C, const ArgList &Args, ArgStringList &CmdArgs, const Driver &D) { - if (UseRelaxAll(C, Args)) - CmdArgs.push_back("-mrelax-all"); + // Default to -mno-relax-all. + // + // Note: RISC-V requires an indirect jump for offsets larger than 1MiB. This + // cannot be done by assembler branch relaxation as it needs a free temporary + // register. Because of this, branch relaxation is handled by a MachineIR pass + // before the assembler. Forcing assembler branch relaxation for -O0 makes the + // MachineIR branch relaxation inaccurate and it will miss cases where an + // indirect branch is necessary. + Args.addOptInFlag(CmdArgs, options::OPT_mrelax_all, + options::OPT_mno_relax_all); // Only default to -mincremental-linker-compatible if we think we are // targeting the MSVC linker. @@ -2761,13 +2743,11 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, StringRef FPExceptionBehavior = ""; // -ffp-eval-method options: double, extended, source StringRef FPEvalMethod = ""; - const llvm::DenormalMode DefaultDenormalFPMath = + llvm::DenormalMode DenormalFPMath = TC.getDefaultDenormalModeForType(Args, JA); - const llvm::DenormalMode DefaultDenormalFP32Math = + llvm::DenormalMode DenormalFP32Math = TC.getDefaultDenormalModeForType(Args, JA, &llvm::APFloat::IEEEsingle()); - llvm::DenormalMode DenormalFPMath = DefaultDenormalFPMath; - llvm::DenormalMode DenormalFP32Math = DefaultDenormalFP32Math; // CUDA and HIP don't rely on the frontend to pass an ffp-contract option. // If one wasn't given by the user, don't pass it here. StringRef FPContract; @@ -2917,11 +2897,6 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, SignedZeros = true; // -fno_fast_math restores default denormal and fpcontract handling FPContract = "on"; - DenormalFPMath = llvm::DenormalMode::getIEEE(); - - // FIXME: The target may have picked a non-IEEE default mode here based on - // -cl-denorms-are-zero. Should the target consider -fp-model interaction? - DenormalFP32Math = llvm::DenormalMode::getIEEE(); StringRef Val = A->getValue(); if (OFastEnabled && !Val.equals("fast")) { @@ -3137,12 +3112,7 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, ReciprocalMath = false; SignedZeros = true; ApproxFunc = false; - TrappingMath = true; - FPExceptionBehavior = "strict"; - // The target may have opted to flush by default, so force IEEE. - DenormalFPMath = llvm::DenormalMode::getIEEE(); - DenormalFP32Math = llvm::DenormalMode::getIEEE(); if (!JA.isDeviceOffloading(Action::OFK_Cuda) && !JA.isOffloading(Action::OFK_HIP)) { if (LastSeenFfpContractOption != "") { @@ -3172,9 +3142,7 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, ReciprocalMath = false; ApproxFunc = false; SignedZeros = true; - // -fno_fast_math restores default denormal and fpcontract handling - DenormalFPMath = DefaultDenormalFPMath; - DenormalFP32Math = llvm::DenormalMode::getIEEE(); + // -fno_fast_math restores default fpcontract handling if (!JA.isDeviceOffloading(Action::OFK_Cuda) && !JA.isOffloading(Action::OFK_HIP)) { if (LastSeenFfpContractOption != "") { @@ -3189,8 +3157,6 @@ static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, // subsequent options conflict then emit warning diagnostic. if (HonorINFs && HonorNaNs && !AssociativeMath && !ReciprocalMath && SignedZeros && TrappingMath && RoundingFPMath && !ApproxFunc && - DenormalFPMath == llvm::DenormalMode::getIEEE() && - DenormalFP32Math == llvm::DenormalMode::getIEEE() && FPContract.equals("off")) // OK: Current Arg doesn't conflict with -ffp-model=strict ; @@ -4632,6 +4598,21 @@ renderDebugOptions(const ToolChain &TC, const Driver &D, const llvm::Triple &T, } } + // Emit DW_TAG_template_alias for template aliases? True by default for SCE. + bool UseDebugTemplateAlias = + DebuggerTuning == llvm::DebuggerKind::SCE && RequestedDWARFVersion >= 4; + if (const auto *DebugTemplateAlias = Args.getLastArg( + options::OPT_gtemplate_alias, options::OPT_gno_template_alias)) { + // DW_TAG_template_alias is only supported from DWARFv5 but if a user + // asks for it we should let them have it (if the target supports it). + if (checkDebugInfoOption(DebugTemplateAlias, Args, D, TC)) { + const auto &Opt = DebugTemplateAlias->getOption(); + UseDebugTemplateAlias = Opt.matches(options::OPT_gtemplate_alias); + } + } + if (UseDebugTemplateAlias) + CmdArgs.push_back("-gtemplate-alias"); + if (const Arg *A = Args.getLastArg(options::OPT_gsrc_hash_EQ)) { StringRef v = A->getValue(); CmdArgs.push_back(Args.MakeArgString("-gsrc-hash=" + v)); @@ -4718,7 +4699,7 @@ renderDebugOptions(const ToolChain &TC, const Driver &D, const llvm::Triple &T, Output.getFilename()); } -static void ProcessVSRuntimeLibrary(const ArgList &Args, +static void ProcessVSRuntimeLibrary(const ToolChain &TC, const ArgList &Args, ArgStringList &CmdArgs) { unsigned RTOptionID = options::OPT__SLASH_MT; @@ -4781,6 +4762,12 @@ static void ProcessVSRuntimeLibrary(const ArgList &Args, // implemented in clang. CmdArgs.push_back("--dependent-lib=oldnames"); } + + // All Arm64EC object files implicitly add softintrin.lib. This is necessary + // even if the file doesn't actually refer to any of the routines because + // the CRT itself has incomplete dependency markings. + if (TC.getTriple().isWindowsArm64EC()) + CmdArgs.push_back("--dependent-lib=softintrin"); } void Clang::ConstructJob(Compilation &C, const JobAction &JA, @@ -7036,7 +7023,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, if (Triple.isWindowsMSVCEnvironment() && !D.IsCLMode() && Args.hasArg(options::OPT_fms_runtime_lib_EQ)) - ProcessVSRuntimeLibrary(Args, CmdArgs); + ProcessVSRuntimeLibrary(getToolChain(), Args, CmdArgs); // Handle -fgcc-version, if present. VersionTuple GNUCVer; @@ -7501,6 +7488,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, Args.addOptInFlag(CmdArgs, options::OPT_fsafe_buffer_usage_suggestions, options::OPT_fno_safe_buffer_usage_suggestions); + Args.addOptInFlag(CmdArgs, options::OPT_fexperimental_late_parse_attributes, + options::OPT_fno_experimental_late_parse_attributes); + // Setup statistics file output. SmallString<128> StatsFile = getStatsFileName(Args, Output, Input, D); if (!StatsFile.empty()) { @@ -8163,7 +8153,7 @@ void Clang::AddClangCLArgs(const ArgList &Args, types::ID InputType, ArgStringList &CmdArgs) const { bool isNVPTX = getToolChain().getTriple().isNVPTX(); - ProcessVSRuntimeLibrary(Args, CmdArgs); + ProcessVSRuntimeLibrary(getToolChain(), Args, CmdArgs); if (Arg *ShowIncludes = Args.getLastArg(options::OPT__SLASH_showIncludes, diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp index f10aa4dfaa9ddd9a9dde4679e8990240d63a1d44..6796b43a155020fe27982243ba03081eba4751c2 100644 --- a/clang/lib/Driver/ToolChains/CommonArgs.cpp +++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp @@ -737,7 +737,7 @@ bool tools::isTLSDESCEnabled(const ToolChain &TC, StringRef V = A->getValue(); bool SupportedArgument = false, EnableTLSDESC = false; bool Unsupported = !Triple.isOSBinFormatELF(); - if (Triple.isRISCV()) { + if (Triple.isLoongArch() || Triple.isRISCV()) { SupportedArgument = V == "desc" || V == "trad"; EnableTLSDESC = V == "desc"; } else if (Triple.isX86()) { @@ -1191,118 +1191,10 @@ bool tools::addOpenMPRuntime(const Compilation &C, ArgStringList &CmdArgs, return true; } -/// Determines if --whole-archive is active in the list of arguments. -static bool isWholeArchivePresent(const ArgList &Args) { - bool WholeArchiveActive = false; - for (auto *Arg : Args.filtered(options::OPT_Wl_COMMA)) { - if (Arg) { - for (StringRef ArgValue : Arg->getValues()) { - if (ArgValue == "--whole-archive") - WholeArchiveActive = true; - if (ArgValue == "--no-whole-archive") - WholeArchiveActive = false; - } - } - } - - return WholeArchiveActive; -} - -/// Determine if driver is invoked to create a shared object library (-static) -static bool isSharedLinkage(const ArgList &Args) { - return Args.hasArg(options::OPT_shared); -} - -/// Determine if driver is invoked to create a static object library (-shared) -static bool isStaticLinkage(const ArgList &Args) { - return Args.hasArg(options::OPT_static); -} - -/// Add Fortran runtime libs for MSVC -static void addFortranRuntimeLibsMSVC(const ArgList &Args, - llvm::opt::ArgStringList &CmdArgs) { - unsigned RTOptionID = options::OPT__SLASH_MT; - if (auto *rtl = Args.getLastArg(options::OPT_fms_runtime_lib_EQ)) { - RTOptionID = llvm::StringSwitch(rtl->getValue()) - .Case("static", options::OPT__SLASH_MT) - .Case("static_dbg", options::OPT__SLASH_MTd) - .Case("dll", options::OPT__SLASH_MD) - .Case("dll_dbg", options::OPT__SLASH_MDd) - .Default(options::OPT__SLASH_MT); - } - switch (RTOptionID) { - case options::OPT__SLASH_MT: - CmdArgs.push_back("/WHOLEARCHIVE:Fortran_main.static.lib"); - break; - case options::OPT__SLASH_MTd: - CmdArgs.push_back("/WHOLEARCHIVE:Fortran_main.static_dbg.lib"); - break; - case options::OPT__SLASH_MD: - CmdArgs.push_back("/WHOLEARCHIVE:Fortran_main.dynamic.lib"); - break; - case options::OPT__SLASH_MDd: - CmdArgs.push_back("/WHOLEARCHIVE:Fortran_main.dynamic_dbg.lib"); - break; - } -} - -// Add FortranMain runtime lib -static void addFortranMain(const ToolChain &TC, const ArgList &Args, - llvm::opt::ArgStringList &CmdArgs) { - // 0. Shared-library linkage - // If we are attempting to link a library, we should not add - // -lFortran_main.a to the link line, as the `main` symbol is not - // required for a library and should also be provided by one of - // the translation units of the code that this shared library - // will be linked against eventually. - if (isSharedLinkage(Args) || isStaticLinkage(Args)) { - return; - } - - // 1. MSVC - if (TC.getTriple().isKnownWindowsMSVCEnvironment()) { - addFortranRuntimeLibsMSVC(Args, CmdArgs); - return; - } - - // 2. GNU and similar - const Driver &D = TC.getDriver(); - const char *FortranMainLinkFlag = "-lFortran_main"; - - // Warn if the user added `-lFortran_main` - this library is an implementation - // detail of Flang and should be handled automaticaly by the driver. - for (const char *arg : CmdArgs) { - if (strncmp(arg, FortranMainLinkFlag, strlen(FortranMainLinkFlag)) == 0) - D.Diag(diag::warn_drv_deprecated_custom) - << FortranMainLinkFlag - << "see the Flang driver documentation for correct usage"; - } - - // The --whole-archive option needs to be part of the link line to make - // sure that the main() function from Fortran_main.a is pulled in by the - // linker. However, it shouldn't be used if it's already active. - // TODO: Find an equivalent of `--whole-archive` for Darwin and AIX. - if (!isWholeArchivePresent(Args) && !TC.getTriple().isMacOSX() && - !TC.getTriple().isOSAIX()) { - CmdArgs.push_back("--whole-archive"); - CmdArgs.push_back(FortranMainLinkFlag); - CmdArgs.push_back("--no-whole-archive"); - return; - } - - CmdArgs.push_back(FortranMainLinkFlag); -} - /// Add Fortran runtime libs void tools::addFortranRuntimeLibs(const ToolChain &TC, const ArgList &Args, llvm::opt::ArgStringList &CmdArgs) { - // 1. Link FortranMain - // FortranMain depends on FortranRuntime, so needs to be listed first. If - // -fno-fortran-main has been passed, skip linking Fortran_main.a - if (!Args.hasArg(options::OPT_no_fortran_main)) - addFortranMain(TC, Args, CmdArgs); - - // 2. Link FortranRuntime and FortranDecimal + // Link FortranRuntime and FortranDecimal // These are handled earlier on Windows by telling the frontend driver to // add the correct libraries to link against as dependents in the object // file. @@ -2116,8 +2008,12 @@ unsigned tools::getDwarfVersion(const ToolChain &TC, const llvm::opt::ArgList &Args) { unsigned DwarfVersion = ParseDebugDefaultVersion(TC, Args); if (const Arg *GDwarfN = getDwarfNArg(Args)) - if (int N = DwarfVersionNum(GDwarfN->getSpelling())) + if (int N = DwarfVersionNum(GDwarfN->getSpelling())) { DwarfVersion = N; + if (DwarfVersion == 5 && TC.getTriple().isOSAIX()) + TC.getDriver().Diag(diag::err_drv_unsupported_opt_for_target) + << GDwarfN->getSpelling() << TC.getTriple().str(); + } if (DwarfVersion == 0) { DwarfVersion = TC.GetDefaultDwarfVersion(); assert(DwarfVersion && "toolchain default DWARF version must be nonzero"); diff --git a/clang/lib/Driver/ToolChains/Flang.cpp b/clang/lib/Driver/ToolChains/Flang.cpp index b46bac24503ce1c64cfa0fa0c51a07164a986600..8955b9fb653c2acc5a4a7708d430a8aa976dca79 100644 --- a/clang/lib/Driver/ToolChains/Flang.cpp +++ b/clang/lib/Driver/ToolChains/Flang.cpp @@ -15,7 +15,7 @@ #include "llvm/Frontend/Debug/Options.h" #include "llvm/Support/FileSystem.h" #include "llvm/Support/Path.h" -#include "llvm/Support/RISCVISAInfo.h" +#include "llvm/TargetParser/RISCVISAInfo.h" #include "llvm/TargetParser/RISCVTargetParser.h" #include @@ -118,7 +118,7 @@ void Flang::addOtherOptions(const ArgList &Args, ArgStringList &CmdArgs) const { Arg *gNArg = Args.getLastArg(options::OPT_gN_Group); DebugInfoKind = debugLevelToInfoKind(*gNArg); } else if (Args.hasArg(options::OPT_g_Flag)) { - DebugInfoKind = llvm::codegenoptions::DebugLineTablesOnly; + DebugInfoKind = llvm::codegenoptions::FullDebugInfo; } else { DebugInfoKind = llvm::codegenoptions::NoDebugInfo; } @@ -282,7 +282,6 @@ static void processVSRuntimeLibrary(const ToolChain &TC, const ArgList &Args, assert(TC.getTriple().isKnownWindowsMSVCEnvironment() && "can only add VS runtime library on Windows!"); // if -fno-fortran-main has been passed, skip linking Fortran_main.a - bool LinkFortranMain = !Args.hasArg(options::OPT_no_fortran_main); if (TC.getTriple().isKnownWindowsMSVCEnvironment()) { CmdArgs.push_back(Args.MakeArgString( "--dependent-lib=" + TC.getCompilerRTBasename(Args, "builtins"))); @@ -300,8 +299,6 @@ static void processVSRuntimeLibrary(const ToolChain &TC, const ArgList &Args, case options::OPT__SLASH_MT: CmdArgs.push_back("-D_MT"); CmdArgs.push_back("--dependent-lib=libcmt"); - if (LinkFortranMain) - CmdArgs.push_back("--dependent-lib=Fortran_main.static.lib"); CmdArgs.push_back("--dependent-lib=FortranRuntime.static.lib"); CmdArgs.push_back("--dependent-lib=FortranDecimal.static.lib"); break; @@ -309,8 +306,6 @@ static void processVSRuntimeLibrary(const ToolChain &TC, const ArgList &Args, CmdArgs.push_back("-D_MT"); CmdArgs.push_back("-D_DEBUG"); CmdArgs.push_back("--dependent-lib=libcmtd"); - if (LinkFortranMain) - CmdArgs.push_back("--dependent-lib=Fortran_main.static_dbg.lib"); CmdArgs.push_back("--dependent-lib=FortranRuntime.static_dbg.lib"); CmdArgs.push_back("--dependent-lib=FortranDecimal.static_dbg.lib"); break; @@ -318,8 +313,6 @@ static void processVSRuntimeLibrary(const ToolChain &TC, const ArgList &Args, CmdArgs.push_back("-D_MT"); CmdArgs.push_back("-D_DLL"); CmdArgs.push_back("--dependent-lib=msvcrt"); - if (LinkFortranMain) - CmdArgs.push_back("--dependent-lib=Fortran_main.dynamic.lib"); CmdArgs.push_back("--dependent-lib=FortranRuntime.dynamic.lib"); CmdArgs.push_back("--dependent-lib=FortranDecimal.dynamic.lib"); break; @@ -328,8 +321,6 @@ static void processVSRuntimeLibrary(const ToolChain &TC, const ArgList &Args, CmdArgs.push_back("-D_DEBUG"); CmdArgs.push_back("-D_DLL"); CmdArgs.push_back("--dependent-lib=msvcrtd"); - if (LinkFortranMain) - CmdArgs.push_back("--dependent-lib=Fortran_main.dynamic_dbg.lib"); CmdArgs.push_back("--dependent-lib=FortranRuntime.dynamic_dbg.lib"); CmdArgs.push_back("--dependent-lib=FortranDecimal.dynamic_dbg.lib"); break; diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp index dedbfac6cb25d26b67587d4ed273597366f1296d..9849c59685cca78b6e1645ed7aa3d8a05cd9f182 100644 --- a/clang/lib/Driver/ToolChains/Gnu.cpp +++ b/clang/lib/Driver/ToolChains/Gnu.cpp @@ -30,8 +30,8 @@ #include "llvm/Option/ArgList.h" #include "llvm/Support/CodeGen.h" #include "llvm/Support/Path.h" -#include "llvm/Support/RISCVISAInfo.h" #include "llvm/Support/VirtualFileSystem.h" +#include "llvm/TargetParser/RISCVISAInfo.h" #include "llvm/TargetParser/TargetParser.h" #include @@ -1796,9 +1796,7 @@ selectRISCVMultilib(const MultilibSet &RISCVMultilibSet, StringRef Arch, } auto &MLConfigISAInfo = *MLConfigParseResult; - const llvm::RISCVISAInfo::OrderedExtensionMap &MLConfigArchExts = - MLConfigISAInfo->getExtensions(); - for (auto MLConfigArchExt : MLConfigArchExts) { + for (auto &MLConfigArchExt : MLConfigISAInfo->getExtensions()) { auto ExtName = MLConfigArchExt.first; NewMultilib.flag(Twine("-", ExtName).str()); diff --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp index fb65881061effc3abc4f88028b48f889f8bab1ae..db2c20d7b461d0a782ce6b4dd5a498903cc5e204 100644 --- a/clang/lib/Driver/ToolChains/Linux.cpp +++ b/clang/lib/Driver/ToolChains/Linux.cpp @@ -842,25 +842,6 @@ void Linux::addProfileRTLibs(const llvm::opt::ArgList &Args, ToolChain::addProfileRTLibs(Args, CmdArgs); } -llvm::DenormalMode -Linux::getDefaultDenormalModeForType(const llvm::opt::ArgList &DriverArgs, - const JobAction &JA, - const llvm::fltSemantics *FPType) const { - switch (getTriple().getArch()) { - case llvm::Triple::x86: - case llvm::Triple::x86_64: { - std::string Unused; - // DAZ and FTZ are turned on in crtfastmath.o - if (!DriverArgs.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles) && - isFastMathRuntimeAvailable(DriverArgs, Unused)) - return llvm::DenormalMode::getPreserveSign(); - return llvm::DenormalMode::getIEEE(); - } - default: - return llvm::DenormalMode::getIEEE(); - } -} - void Linux::addExtraOpts(llvm::opt::ArgStringList &CmdArgs) const { for (const auto &Opt : ExtraOpts) CmdArgs.push_back(Opt.c_str()); diff --git a/clang/lib/Driver/ToolChains/Linux.h b/clang/lib/Driver/ToolChains/Linux.h index 524391743090ba386cc55a50a039a6be31ebf3a1..2d9e674e50a630325659166d5e9eeb9dc4912cdc 100644 --- a/clang/lib/Driver/ToolChains/Linux.h +++ b/clang/lib/Driver/ToolChains/Linux.h @@ -59,10 +59,6 @@ public: std::vector ExtraOpts; - llvm::DenormalMode getDefaultDenormalModeForType( - const llvm::opt::ArgList &DriverArgs, const JobAction &JA, - const llvm::fltSemantics *FPType = nullptr) const override; - const char *getDefaultLinker() const override; protected: diff --git a/clang/lib/ExtractAPI/API.cpp b/clang/lib/ExtractAPI/API.cpp index 5a62c5deb240836aeeb4c73d54b7c3faa371db16..96bef967d8591a248f384e330fa7948d3e3269fb 100644 --- a/clang/lib/ExtractAPI/API.cpp +++ b/clang/lib/ExtractAPI/API.cpp @@ -54,7 +54,28 @@ RecordContext *APIRecord::castToRecordContext(const APIRecord *Record) { } } +bool RecordContext::IsWellFormed() const { + // Check that First and Last are both null or both non-null. + return (First == nullptr) == (Last == nullptr); +} + +void RecordContext::stealRecordChain(RecordContext &Other) { + assert(IsWellFormed()); + // If we don't have an empty chain append Other's chain into ours. + if (First) + Last->NextInContext = Other.First; + else + First = Other.First; + + Last = Other.Last; + + // Delete Other's chain to ensure we don't accidentally traverse it. + Other.First = nullptr; + Other.Last = nullptr; +} + void RecordContext::addToRecordChain(APIRecord *Record) const { + assert(IsWellFormed()); if (!First) { First = Record; Last = Record; @@ -95,6 +116,7 @@ SymbolReference APISet::createSymbolReference(StringRef Name, StringRef USR, } APIRecord::~APIRecord() {} +TagRecord::~TagRecord() {} RecordRecord::~RecordRecord() {} RecordFieldRecord::~RecordFieldRecord() {} ObjCContainerRecord::~ObjCContainerRecord() {} diff --git a/clang/lib/ExtractAPI/DeclarationFragments.cpp b/clang/lib/ExtractAPI/DeclarationFragments.cpp index 0a243120b7c0e35c409ca7a70a269d2a7ff0ac08..9bf7950888dbb2566fad2c6765695967d1ad58c9 100644 --- a/clang/lib/ExtractAPI/DeclarationFragments.cpp +++ b/clang/lib/ExtractAPI/DeclarationFragments.cpp @@ -396,7 +396,8 @@ DeclarationFragments DeclarationFragmentsBuilder::getFragmentsForType( const TagDecl *Decl = TagTy->getDecl(); // Anonymous decl, skip this fragment. if (Decl->getName().empty()) - return Fragments; + return Fragments.append("{ ... }", + DeclarationFragments::FragmentKind::Text); SmallString<128> TagUSR; clang::index::generateUSRForDecl(Decl, TagUSR); return Fragments.append(Decl->getName(), @@ -743,11 +744,16 @@ DeclarationFragmentsBuilder::getFragmentsForEnum(const EnumDecl *EnumDecl) { QualType IntegerType = EnumDecl->getIntegerType(); if (!IntegerType.isNull()) - Fragments.append(": ", DeclarationFragments::FragmentKind::Text) + Fragments.appendSpace() + .append(": ", DeclarationFragments::FragmentKind::Text) .append( getFragmentsForType(IntegerType, EnumDecl->getASTContext(), After)) .append(std::move(After)); + if (EnumDecl->getName().empty()) + Fragments.appendSpace().append("{ ... }", + DeclarationFragments::FragmentKind::Text); + return Fragments.appendSemicolon(); } @@ -778,9 +784,12 @@ DeclarationFragments DeclarationFragmentsBuilder::getFragmentsForRecordDecl( else Fragments.append("struct", DeclarationFragments::FragmentKind::Keyword); + Fragments.appendSpace(); if (!Record->getName().empty()) - Fragments.appendSpace().append( - Record->getName(), DeclarationFragments::FragmentKind::Identifier); + Fragments.append(Record->getName(), + DeclarationFragments::FragmentKind::Identifier); + else + Fragments.append("{ ... }", DeclarationFragments::FragmentKind::Text); return Fragments.appendSemicolon(); } diff --git a/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp b/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp index 57f966c8b2be35def3a2b0ca408d6c52e79a07cb..34278b5d40c4221931624b7efc2164edeb5d11a3 100644 --- a/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp +++ b/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp @@ -164,27 +164,29 @@ std::optional serializeAvailability(const AvailabilityInfo &Avail) { if (Avail.isDefault()) return std::nullopt; - Object Availability; Array AvailabilityArray; - Availability["domain"] = Avail.Domain; - serializeObject(Availability, "introduced", - serializeSemanticVersion(Avail.Introduced)); - serializeObject(Availability, "deprecated", - serializeSemanticVersion(Avail.Deprecated)); - serializeObject(Availability, "obsoleted", - serializeSemanticVersion(Avail.Obsoleted)); + if (Avail.isUnconditionallyDeprecated()) { Object UnconditionallyDeprecated; UnconditionallyDeprecated["domain"] = "*"; UnconditionallyDeprecated["isUnconditionallyDeprecated"] = true; AvailabilityArray.emplace_back(std::move(UnconditionallyDeprecated)); } - if (Avail.isUnconditionallyUnavailable()) { - Object UnconditionallyUnavailable; - UnconditionallyUnavailable["domain"] = "*"; - UnconditionallyUnavailable["isUnconditionallyUnavailable"] = true; - AvailabilityArray.emplace_back(std::move(UnconditionallyUnavailable)); + Object Availability; + + Availability["domain"] = Avail.Domain; + + if (Avail.isUnavailable()) { + Availability["isUnconditionallyUnavailable"] = true; + } else { + serializeObject(Availability, "introduced", + serializeSemanticVersion(Avail.Introduced)); + serializeObject(Availability, "deprecated", + serializeSemanticVersion(Avail.Deprecated)); + serializeObject(Availability, "obsoleted", + serializeSemanticVersion(Avail.Obsoleted)); } + AvailabilityArray.emplace_back(std::move(Availability)); return AvailabilityArray; } @@ -665,6 +667,14 @@ bool SymbolGraphSerializer::shouldSkip(const APIRecord *Record) const { if (Record->Availability.isUnconditionallyUnavailable()) return true; + // Filter out symbols without a name as we can generate correct symbol graphs + // for them. In practice these are anonymous record types that aren't attached + // to a declaration. + if (auto *Tag = dyn_cast(Record)) { + if (Tag->IsEmbeddedInVarDeclarator) + return true; + } + // Filter out symbols prefixed with an underscored as they are understood to // be symbols clients should not use. if (Record->Name.starts_with("_")) diff --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp index ccb2c9190e2eff0bdb551c3ecb95dde3c987639d..c8d8ec3afbd990c8f4618a6b5f36cf115f8c2e56 100644 --- a/clang/lib/Format/Format.cpp +++ b/clang/lib/Format/Format.cpp @@ -807,7 +807,6 @@ template <> struct MappingTraits { FormatStyle PredefinedStyle; if (getPredefinedStyle(StyleName, Style.Language, &PredefinedStyle) && Style == PredefinedStyle) { - IO.mapOptional("# BasedOnStyle", StyleName); BasedOnStyle = StyleName; break; } @@ -3117,6 +3116,7 @@ static void sortCppIncludes(const FormatStyle &Style, return; } + const auto OldCursor = Cursor ? *Cursor : 0; std::string result; for (unsigned Index : Indices) { if (!result.empty()) { @@ -3140,6 +3140,8 @@ static void sortCppIncludes(const FormatStyle &Style, // the entire range of blocks. Otherwise, no replacement is generated. if (replaceCRLF(result) == replaceCRLF(std::string(Code.substr( IncludesBeginOffset, IncludesBlockSize)))) { + if (Cursor) + *Cursor = OldCursor; return; } diff --git a/clang/lib/Format/FormatToken.h b/clang/lib/Format/FormatToken.h index f651e6228c206da58363e5d7482e108001cba788..28b6488e54a4223c03dde637ee246db7c6e0cdc9 100644 --- a/clang/lib/Format/FormatToken.h +++ b/clang/lib/Format/FormatToken.h @@ -1623,10 +1623,10 @@ struct AdditionalKeywords { IdentifierInfo *kw_then; /// Returns \c true if \p Tok is a keyword or an identifier. - bool isWordLike(const FormatToken &Tok) const { + bool isWordLike(const FormatToken &Tok, bool IsVerilog = true) const { // getIdentifierinfo returns non-null for keywords as well as identifiers. return Tok.Tok.getIdentifierInfo() && - !Tok.isOneOf(kw_verilogHash, kw_verilogHashHash, kw_apostrophe); + (!IsVerilog || !isVerilogKeywordSymbol(Tok)); } /// Returns \c true if \p Tok is a true JavaScript identifier, returns @@ -1755,6 +1755,10 @@ struct AdditionalKeywords { } } + bool isVerilogKeywordSymbol(const FormatToken &Tok) const { + return Tok.isOneOf(kw_verilogHash, kw_verilogHashHash, kw_apostrophe); + } + bool isVerilogWordOperator(const FormatToken &Tok) const { return Tok.isOneOf(kw_before, kw_intersect, kw_dist, kw_iff, kw_inside, kw_with); diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp index 628f70417866c38505cf01128d26ffbfa345b22b..d366ae2080bc25eebff64e74b9fd06db1433be5c 100644 --- a/clang/lib/Format/TokenAnnotator.cpp +++ b/clang/lib/Format/TokenAnnotator.cpp @@ -1543,6 +1543,7 @@ private: return false; if (Line.MustBeDeclaration && Contexts.size() == 1 && !Contexts.back().IsExpression && !Line.startsWith(TT_ObjCProperty) && + !Line.startsWith(tok::l_paren) && !Tok->isOneOf(TT_TypeDeclarationParen, TT_RequiresExpressionLParen)) { if (const auto *Previous = Tok->Previous; !Previous || @@ -2726,8 +2727,10 @@ private: } } - if (Tok.Next->isOneOf(tok::question, tok::ampamp)) + if (Tok.Next->is(tok::question) || + (Tok.Next->is(tok::ampamp) && !Tok.Previous->isTypeName(IsCpp))) { return false; + } // `foreach((A a, B b) in someList)` should not be seen as a cast. if (Tok.Next->is(Keywords.kw_in) && Style.isCSharp()) @@ -2912,6 +2915,8 @@ private: return TT_UnaryOperator; if (PrevToken->is(TT_TypeName)) return TT_PointerOrReference; + if (PrevToken->isOneOf(tok::kw_new, tok::kw_delete) && Tok.is(tok::ampamp)) + return TT_BinaryOperator; const FormatToken *NextToken = Tok.getNextNonComment(); @@ -4775,9 +4780,14 @@ bool TokenAnnotator::spaceRequiredBefore(const AnnotatedLine &Line, if (Left.Finalized) return Right.hasWhitespaceBefore(); + const bool IsVerilog = Style.isVerilog(); + assert(!IsVerilog || !IsCpp); + // Never ever merge two words. - if (Keywords.isWordLike(Right) && Keywords.isWordLike(Left)) + if (Keywords.isWordLike(Right, IsVerilog) && + Keywords.isWordLike(Left, IsVerilog)) { return true; + } // Leave a space between * and /* to avoid C4138 `comment end` found outside // of comment. @@ -4829,10 +4839,8 @@ bool TokenAnnotator::spaceRequiredBefore(const AnnotatedLine &Line, Right.is(TT_TemplateOpener)) { return true; } - if (Left.is(tok::identifier) && Right.is(tok::numeric_constant) && - Right.TokenText[0] == '.') { - return false; - } + if (Left.Tok.getIdentifierInfo() && Right.is(tok::numeric_constant)) + return Right.TokenText[0] != '.'; } else if (Style.isProto()) { if (Right.is(tok::period) && Left.isOneOf(Keywords.kw_optional, Keywords.kw_required, @@ -5060,12 +5068,10 @@ bool TokenAnnotator::spaceRequiredBefore(const AnnotatedLine &Line, Right.is(TT_TemplateOpener)) { return true; } - } else if (Style.isVerilog()) { + } else if (IsVerilog) { // An escaped identifier ends with whitespace. - if (Style.isVerilog() && Left.is(tok::identifier) && - Left.TokenText[0] == '\\') { + if (Left.is(tok::identifier) && Left.TokenText[0] == '\\') return true; - } // Add space between things in a primitive's state table unless in a // transition like `(0?)`. if ((Left.is(TT_VerilogTableItem) && @@ -5261,21 +5267,11 @@ bool TokenAnnotator::spaceRequiredBefore(const AnnotatedLine &Line, return true; } if (Left.is(TT_UnaryOperator)) { - if (Right.isNot(tok::l_paren)) { - // The alternative operators for ~ and ! are "compl" and "not". - // If they are used instead, we do not want to combine them with - // the token to the right, unless that is a left paren. - if (Left.is(tok::exclaim) && Left.TokenText == "not") - return true; - if (Left.is(tok::tilde) && Left.TokenText == "compl") - return true; - // Lambda captures allow for a lone &, so "&]" needs to be properly - // handled. - if (Left.is(tok::amp) && Right.is(tok::r_square)) - return Style.SpacesInSquareBrackets; - } - return (Style.SpaceAfterLogicalNot && Left.is(tok::exclaim)) || - Right.is(TT_BinaryOperator); + // Lambda captures allow for a lone &, so "&]" needs to be properly + // handled. + if (Left.is(tok::amp) && Right.is(tok::r_square)) + return Style.SpacesInSquareBrackets; + return Style.SpaceAfterLogicalNot && Left.is(tok::exclaim); } // If the next token is a binary operator or a selector name, we have @@ -5595,12 +5591,8 @@ bool TokenAnnotator::mustBreakBefore(const AnnotatedLine &Line, return true; if (Left.IsUnterminatedLiteral) return true; - // FIXME: Breaking after newlines seems useful in general. Turn this into an - // option and recognize more cases like endl etc, and break independent of - // what comes after operator lessless. - if (Right.is(tok::lessless) && Right.Next && - Right.Next->is(tok::string_literal) && Left.is(tok::string_literal) && - Left.TokenText.ends_with("\\n\"")) { + if (Right.is(tok::lessless) && Right.Next && Left.is(tok::string_literal) && + Right.Next->is(tok::string_literal)) { return true; } if (Right.is(TT_RequiresClause)) { diff --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp index 603268f771ac5226165ba33e30c0c97918c11c4a..854428389740d89629ab62e6749a5b8e04612651 100644 --- a/clang/lib/Format/UnwrappedLineParser.cpp +++ b/clang/lib/Format/UnwrappedLineParser.cpp @@ -534,11 +534,11 @@ void UnwrappedLineParser::calculateBraceTypes(bool ExpectClassBody) { case tok::r_brace: if (LBraceStack.empty()) break; - if (LBraceStack.back().Tok->is(BK_Unknown)) { + if (auto *LBrace = LBraceStack.back().Tok; LBrace->is(BK_Unknown)) { bool ProbablyBracedList = false; if (Style.Language == FormatStyle::LK_Proto) { ProbablyBracedList = NextTok->isOneOf(tok::comma, tok::r_square); - } else { + } else if (LBrace->isNot(TT_EnumLBrace)) { // Using OriginalColumn to distinguish between ObjC methods and // binary operators is a bit hacky. bool NextIsObjCMethod = NextTok->isOneOf(tok::plus, tok::minus) && @@ -552,7 +552,7 @@ void UnwrappedLineParser::calculateBraceTypes(bool ExpectClassBody) { // If we already marked the opening brace as braced list, the closing // must also be part of it. - ProbablyBracedList = LBraceStack.back().Tok->is(TT_BracedListLBrace); + ProbablyBracedList = LBrace->is(TT_BracedListLBrace); ProbablyBracedList = ProbablyBracedList || (Style.isJavaScript() && @@ -608,13 +608,9 @@ void UnwrappedLineParser::calculateBraceTypes(bool ExpectClassBody) { ProbablyBracedList = true; } } - if (ProbablyBracedList) { - Tok->setBlockKind(BK_BracedInit); - LBraceStack.back().Tok->setBlockKind(BK_BracedInit); - } else { - Tok->setBlockKind(BK_Block); - LBraceStack.back().Tok->setBlockKind(BK_Block); - } + const auto BlockKind = ProbablyBracedList ? BK_BracedInit : BK_Block; + Tok->setBlockKind(BlockKind); + LBrace->setBlockKind(BlockKind); } LBraceStack.pop_back(); break; @@ -819,8 +815,11 @@ FormatToken *UnwrappedLineParser::parseBlock(bool MustBeDeclaration, return IfLBrace; } - if (FormatTok->is(tok::r_brace) && Tok->is(TT_NamespaceLBrace)) - FormatTok->setFinalizedType(TT_NamespaceRBrace); + if (FormatTok->is(tok::r_brace)) { + FormatTok->setBlockKind(BK_Block); + if (Tok->is(TT_NamespaceLBrace)) + FormatTok->setFinalizedType(TT_NamespaceRBrace); + } const bool IsFunctionRBrace = FormatTok->is(tok::r_brace) && Tok->is(TT_FunctionLBrace); @@ -2415,6 +2414,7 @@ bool UnwrappedLineParser::tryToParseChildBlock() { } bool UnwrappedLineParser::parseBracedList(bool IsAngleBracket, bool IsEnum) { + assert(!IsAngleBracket || !IsEnum); bool HasError = false; // FIXME: Once we have an expression parser in the UnwrappedLineParser, @@ -2437,8 +2437,11 @@ bool UnwrappedLineParser::parseBracedList(bool IsAngleBracket, bool IsEnum) { } } if (FormatTok->is(IsAngleBracket ? tok::greater : tok::r_brace)) { - if (IsEnum && !Style.AllowShortEnumsOnASingleLine) - addUnwrappedLine(); + if (IsEnum) { + FormatTok->setBlockKind(BK_Block); + if (!Style.AllowShortEnumsOnASingleLine) + addUnwrappedLine(); + } nextToken(); return !HasError; } @@ -3910,6 +3913,8 @@ void UnwrappedLineParser::parseRecord(bool ParseAsExpr) { const FormatToken &InitialToken = *FormatTok; nextToken(); + const FormatToken *ClassName = nullptr; + bool IsDerived = false; auto IsNonMacroIdentifier = [](const FormatToken *Tok) { return Tok->is(tok::identifier) && Tok->TokenText != Tok->TokenText.upper(); }; @@ -3934,15 +3939,38 @@ void UnwrappedLineParser::parseRecord(bool ParseAsExpr) { } if (FormatTok->is(tok::l_square) && handleCppAttributes()) continue; + const auto *Previous = FormatTok; nextToken(); - // We can have macros in between 'class' and the class name. - if (!IsNonMacroIdentifier(FormatTok->Previous) && - FormatTok->is(tok::l_paren)) { - parseParens(); + switch (FormatTok->Tok.getKind()) { + case tok::l_paren: + // We can have macros in between 'class' and the class name. + if (!IsNonMacroIdentifier(Previous) || + // e.g. `struct macro(a) S { int i; };` + Previous->Previous == &InitialToken) { + parseParens(); + } + break; + case tok::coloncolon: + break; + default: + if (!ClassName && Previous->is(tok::identifier)) + ClassName = Previous; } } + auto IsListInitialization = [&] { + if (!ClassName || IsDerived) + return false; + assert(FormatTok->is(tok::l_brace)); + const auto *Prev = FormatTok->getPreviousNonComment(); + assert(Prev); + return Prev != ClassName && Prev->is(tok::identifier) && + Prev->isNot(Keywords.kw_final) && tryToParseBracedList(); + }; + if (FormatTok->isOneOf(tok::colon, tok::less)) { + if (FormatTok->is(tok::colon)) + IsDerived = true; int AngleNestingLevel = 0; do { if (FormatTok->is(tok::less)) @@ -3955,6 +3983,8 @@ void UnwrappedLineParser::parseRecord(bool ParseAsExpr) { break; } if (FormatTok->is(tok::l_brace)) { + if (AngleNestingLevel == 0 && IsListInitialization()) + return; calculateBraceTypes(/*ExpectClassBody=*/true); if (!tryToParseBracedList()) break; @@ -3999,6 +4029,8 @@ void UnwrappedLineParser::parseRecord(bool ParseAsExpr) { } }; if (FormatTok->is(tok::l_brace)) { + if (IsListInitialization()) + return; auto [OpenBraceType, ClosingBraceType] = GetBraceTypes(InitialToken); FormatTok->setFinalizedType(OpenBraceType); if (ParseAsExpr) { diff --git a/clang/lib/Format/WhitespaceManager.cpp b/clang/lib/Format/WhitespaceManager.cpp index 4f822807dd987dc8ceeb43e8a550c4c135f50b86..44fd807ec27ea75450754dc38c85330ab3aed4a0 100644 --- a/clang/lib/Format/WhitespaceManager.cpp +++ b/clang/lib/Format/WhitespaceManager.cpp @@ -128,11 +128,14 @@ const tooling::Replacements &WhitespaceManager::generateReplacements() { void WhitespaceManager::calculateLineBreakInformation() { Changes[0].PreviousEndOfTokenColumn = 0; Change *LastOutsideTokenChange = &Changes[0]; - for (unsigned i = 1, e = Changes.size(); i != e; ++i) { + for (unsigned I = 1, e = Changes.size(); I != e; ++I) { + auto &C = Changes[I]; + auto &P = Changes[I - 1]; + auto &PrevTokLength = P.TokenLength; SourceLocation OriginalWhitespaceStart = - Changes[i].OriginalWhitespaceRange.getBegin(); + C.OriginalWhitespaceRange.getBegin(); SourceLocation PreviousOriginalWhitespaceEnd = - Changes[i - 1].OriginalWhitespaceRange.getEnd(); + P.OriginalWhitespaceRange.getEnd(); unsigned OriginalWhitespaceStartOffset = SourceMgr.getFileOffset(OriginalWhitespaceStart); unsigned PreviousOriginalWhitespaceEndOffset = @@ -167,31 +170,28 @@ void WhitespaceManager::calculateLineBreakInformation() { // line of the token. auto NewlinePos = Text.find_first_of('\n'); if (NewlinePos == StringRef::npos) { - Changes[i - 1].TokenLength = OriginalWhitespaceStartOffset - - PreviousOriginalWhitespaceEndOffset + - Changes[i].PreviousLinePostfix.size() + - Changes[i - 1].CurrentLinePrefix.size(); + PrevTokLength = OriginalWhitespaceStartOffset - + PreviousOriginalWhitespaceEndOffset + + C.PreviousLinePostfix.size() + P.CurrentLinePrefix.size(); + if (!P.IsInsideToken) + PrevTokLength = std::min(PrevTokLength, P.Tok->ColumnWidth); } else { - Changes[i - 1].TokenLength = - NewlinePos + Changes[i - 1].CurrentLinePrefix.size(); + PrevTokLength = NewlinePos + P.CurrentLinePrefix.size(); } // If there are multiple changes in this token, sum up all the changes until // the end of the line. - if (Changes[i - 1].IsInsideToken && Changes[i - 1].NewlinesBefore == 0) { - LastOutsideTokenChange->TokenLength += - Changes[i - 1].TokenLength + Changes[i - 1].Spaces; - } else { - LastOutsideTokenChange = &Changes[i - 1]; - } + if (P.IsInsideToken && P.NewlinesBefore == 0) + LastOutsideTokenChange->TokenLength += PrevTokLength + P.Spaces; + else + LastOutsideTokenChange = &P; - Changes[i].PreviousEndOfTokenColumn = - Changes[i - 1].StartOfTokenColumn + Changes[i - 1].TokenLength; + C.PreviousEndOfTokenColumn = P.StartOfTokenColumn + PrevTokLength; - Changes[i - 1].IsTrailingComment = - (Changes[i].NewlinesBefore > 0 || Changes[i].Tok->is(tok::eof) || - (Changes[i].IsInsideToken && Changes[i].Tok->is(tok::comment))) && - Changes[i - 1].Tok->is(tok::comment) && + P.IsTrailingComment = + (C.NewlinesBefore > 0 || C.Tok->is(tok::eof) || + (C.IsInsideToken && C.Tok->is(tok::comment))) && + P.Tok->is(tok::comment) && // FIXME: This is a dirty hack. The problem is that // BreakableLineCommentSection does comment reflow changes and here is // the aligning of trailing comments. Consider the case where we reflow diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp index 3610a08831e79a9fe0206941f4b59d2bab2fd56d..1b93588553a276507dc14d36a67ba7f666a77afc 100644 --- a/clang/lib/Frontend/ASTUnit.cpp +++ b/clang/lib/Frontend/ASTUnit.cpp @@ -1067,7 +1067,7 @@ public: std::vector takeTopLevelDecls() { return std::move(TopLevelDecls); } - std::vector takeTopLevelDeclIDs() { + std::vector takeTopLevelDeclIDs() { return std::move(TopLevelDeclIDs); } @@ -1101,7 +1101,7 @@ public: private: unsigned Hash = 0; std::vector TopLevelDecls; - std::vector TopLevelDeclIDs; + std::vector TopLevelDeclIDs; llvm::SmallVector PreambleDiags; }; @@ -1467,11 +1467,12 @@ void ASTUnit::RealizeTopLevelDeclsFromPreamble() { std::vector Resolved; Resolved.reserve(TopLevelDeclsInPreamble.size()); - ExternalASTSource &Source = *getASTContext().getExternalSource(); + // The module file of the preamble. + serialization::ModuleFile &MF = Reader->getModuleManager().getPrimaryModule(); for (const auto TopLevelDecl : TopLevelDeclsInPreamble) { // Resolve the declaration ID to an actual declaration, possibly // deserializing the declaration in the process. - if (Decl *D = Source.GetExternalDecl(TopLevelDecl)) + if (Decl *D = Reader->GetDecl(Reader->getGlobalDeclID(MF, TopLevelDecl))) Resolved.push_back(D); } TopLevelDeclsInPreamble.clear(); diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp index 6e3baf8386441593bd767ce2260bd1b107be3e6c..66a45b888f15cc736b11aeba5ee02cac93742ba1 100644 --- a/clang/lib/Frontend/CompilerInstance.cpp +++ b/clang/lib/Frontend/CompilerInstance.cpp @@ -1293,6 +1293,10 @@ compileModuleImpl(CompilerInstance &ImportingInstance, SourceLocation ImportLoc, diag::remark_module_build_done) << ModuleName; + // Propagate the statistics to the parent FileManager. + if (!FrontendOpts.ModulesShareFileManager) + ImportingInstance.getFileManager().AddStats(Instance.getFileManager()); + if (Crashed) { // Clear the ASTConsumer if it hasn't been already, in case it owns streams // that must be closed before clearing output files. diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index 1f1f5440ddd75faadabdf076943f8b4e031250e0..8312abc3603953e90f5334854cfbde1f5c0e2822 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -1556,6 +1556,9 @@ void CompilerInvocationBase::GenerateCodeGenArgs(const CodeGenOptions &Opts, llvm::DICompileUnit::DebugNameTableKind::Default)) GenerateArg(Consumer, OPT_gpubnames); + if (Opts.DebugTemplateAlias) + GenerateArg(Consumer, OPT_gtemplate_alias); + auto TNK = Opts.getDebugSimpleTemplateNames(); if (TNK != llvm::codegenoptions::DebugTemplateNamesKind::Full) { if (TNK == llvm::codegenoptions::DebugTemplateNamesKind::Simple) @@ -1827,6 +1830,8 @@ bool CompilerInvocation::ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, Opts.BinutilsVersion = std::string(Args.getLastArgValue(OPT_fbinutils_version_EQ)); + Opts.DebugTemplateAlias = Args.hasArg(OPT_gtemplate_alias); + Opts.DebugNameTable = static_cast( Args.hasArg(OPT_ggnu_pubnames) ? llvm::DICompileUnit::DebugNameTableKind::GNU @@ -2544,6 +2549,7 @@ static const auto &getFrontendActionTable() { {frontend::DumpTokens, OPT_dump_tokens}, {frontend::EmitAssembly, OPT_S}, {frontend::EmitBC, OPT_emit_llvm_bc}, + {frontend::EmitCIR, OPT_emit_cir}, {frontend::EmitHTML, OPT_emit_html}, {frontend::EmitLLVM, OPT_emit_llvm}, {frontend::EmitLLVMOnly, OPT_emit_llvm_only}, @@ -2886,6 +2892,8 @@ static bool ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, if (Opts.ProgramAction != frontend::GenerateModule && Opts.IsSystemModule) Diags.Report(diag::err_drv_argument_only_allowed_with) << "-fsystem-module" << "-emit-module"; + if (Args.hasArg(OPT_fclangir) || Args.hasArg(OPT_emit_cir)) + Opts.UseClangIRPipeline = true; if (Args.hasArg(OPT_aux_target_cpu)) Opts.AuxTargetCPU = std::string(Args.getLastArgValue(OPT_aux_target_cpu)); @@ -3655,6 +3663,9 @@ void CompilerInvocationBase::GenerateLangArgs(const LangOptions &Opts, case LangOptions::ClangABI::Ver17: GenerateArg(Consumer, OPT_fclang_abi_compat_EQ, "17.0"); break; + case LangOptions::ClangABI::Ver18: + GenerateArg(Consumer, OPT_fclang_abi_compat_EQ, "18.0"); + break; case LangOptions::ClangABI::Latest: break; } @@ -4162,6 +4173,8 @@ bool CompilerInvocation::ParseLangArgs(LangOptions &Opts, ArgList &Args, Opts.setClangABICompat(LangOptions::ClangABI::Ver15); else if (Major <= 17) Opts.setClangABICompat(LangOptions::ClangABI::Ver17); + else if (Major <= 18) + Opts.setClangABICompat(LangOptions::ClangABI::Ver18); } else if (Ver != "latest") { Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << A->getValue(); @@ -4327,6 +4340,7 @@ static bool isStrictlyPreprocessorAction(frontend::ActionKind Action) { case frontend::ASTView: case frontend::EmitAssembly: case frontend::EmitBC: + case frontend::EmitCIR: case frontend::EmitHTML: case frontend::EmitLLVM: case frontend::EmitLLVMOnly: diff --git a/clang/lib/Frontend/FrontendAction.cpp b/clang/lib/Frontend/FrontendAction.cpp index b7c9967316f0b82ff2b211315d1be87a05d6340c..9ae7664b4b49d435dc8ea3ed90e6b89f7ac90678 100644 --- a/clang/lib/Frontend/FrontendAction.cpp +++ b/clang/lib/Frontend/FrontendAction.cpp @@ -80,7 +80,7 @@ public: if (Previous) Previous->TypeRead(Idx, T); } - void DeclRead(serialization::DeclID ID, const Decl *D) override { + void DeclRead(GlobalDeclID ID, const Decl *D) override { if (Previous) Previous->DeclRead(ID, D); } @@ -102,7 +102,7 @@ public: bool DeletePrevious) : DelegatingDeserializationListener(Previous, DeletePrevious) {} - void DeclRead(serialization::DeclID ID, const Decl *D) override { + void DeclRead(GlobalDeclID ID, const Decl *D) override { llvm::outs() << "PCH DECL: " << D->getDeclKindName(); if (const NamedDecl *ND = dyn_cast(D)) { llvm::outs() << " - "; @@ -128,7 +128,7 @@ public: : DelegatingDeserializationListener(Previous, DeletePrevious), Ctx(Ctx), NamesToCheck(NamesToCheck) {} - void DeclRead(serialization::DeclID ID, const Decl *D) override { + void DeclRead(GlobalDeclID ID, const Decl *D) override { if (const NamedDecl *ND = dyn_cast(D)) if (NamesToCheck.find(ND->getNameAsString()) != NamesToCheck.end()) { unsigned DiagID @@ -757,8 +757,11 @@ bool FrontendAction::BeginSourceFile(CompilerInstance &CI, // IR files bypass the rest of initialization. if (Input.getKind().getLanguage() == Language::LLVM_IR) { - assert(hasIRSupport() && - "This action does not have IR file support!"); + if (!hasIRSupport()) { + CI.getDiagnostics().Report(diag::err_ast_action_on_llvm_ir) + << Input.getFile(); + return false; + } // Inform the diagnostic client we are processing a source file. CI.getDiagnosticClient().BeginSourceFile(CI.getLangOpts(), nullptr); diff --git a/clang/lib/Frontend/FrontendActions.cpp b/clang/lib/Frontend/FrontendActions.cpp index 04eb104132671357f84a8d74b070636bff90087e..454653a31534cd3ef7d22d2dbf51aed94314b547 100644 --- a/clang/lib/Frontend/FrontendActions.cpp +++ b/clang/lib/Frontend/FrontendActions.cpp @@ -272,14 +272,10 @@ bool GenerateModuleInterfaceAction::BeginSourceFileAction( std::unique_ptr GenerateModuleInterfaceAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) { - CI.getHeaderSearchOpts().ModulesSkipDiagnosticOptions = true; - CI.getHeaderSearchOpts().ModulesSkipHeaderSearchPaths = true; - CI.getHeaderSearchOpts().ModulesSkipPragmaDiagnosticMappings = true; - - std::vector> Consumers = - CreateMultiplexConsumer(CI, InFile); - if (Consumers.empty()) - return nullptr; + std::vector> Consumers; + Consumers.push_back(std::make_unique( + CI.getPreprocessor(), CI.getModuleCache(), + CI.getFrontendOpts().OutputFile)); if (CI.getFrontendOpts().GenReducedBMI && !CI.getFrontendOpts().ModuleOutputPath.empty()) { diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index 4f44c3b7b89d4d860ad3815fb77c23557fcb1b37..c1d209466ffe5dd34edc5ab5f703f2656f88b92a 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -389,8 +389,7 @@ static void InitializeStandardPredefinedMacros(const TargetInfo &TI, Twine((unsigned)LangOpts.getHLSLVersion())); if (LangOpts.NativeHalfType) - Builder.defineMacro("__HLSL_ENABLE_16_BIT", - Twine((unsigned)LangOpts.getHLSLVersion())); + Builder.defineMacro("__HLSL_ENABLE_16_BIT", "1"); // Shader target information // "enums" for shader stages @@ -704,7 +703,7 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts, Builder.defineMacro("__cpp_nested_namespace_definitions", "201411L"); Builder.defineMacro("__cpp_variadic_using", "201611L"); Builder.defineMacro("__cpp_aggregate_bases", "201603L"); - Builder.defineMacro("__cpp_structured_bindings", "201606L"); + Builder.defineMacro("__cpp_structured_bindings", "202403L"); Builder.defineMacro("__cpp_nontype_template_args", "201411L"); // (not latest) Builder.defineMacro("__cpp_fold_expressions", "201603L"); @@ -1309,6 +1308,16 @@ static void InitializePredefinedMacros(const TargetInfo &TI, Builder.defineMacro("__GCC_ATOMIC_TEST_AND_SET_TRUEVAL", "1"); } + // GCC defines these macros in both C and C++ modes despite them being needed + // mostly for STL implementations in C++. + auto [Destructive, Constructive] = TI.hardwareInterferenceSizes(); + Builder.defineMacro("__GCC_DESTRUCTIVE_SIZE", Twine(Destructive)); + Builder.defineMacro("__GCC_CONSTRUCTIVE_SIZE", Twine(Constructive)); + // We need to use push_macro to allow users to redefine these macros from the + // command line with -D and not issue a -Wmacro-redefined warning. + Builder.append("#pragma push_macro(\"__GCC_DESTRUCTIVE_SIZE\")"); + Builder.append("#pragma push_macro(\"__GCC_CONSTRUCTIVE_SIZE\")"); + auto addLockFreeMacros = [&](const llvm::Twine &Prefix) { // Used by libc++ and libstdc++ to implement ATOMIC__LOCK_FREE. #define DEFINE_LOCK_FREE_MACRO(TYPE, Type) \ diff --git a/clang/lib/Frontend/MultiplexConsumer.cpp b/clang/lib/Frontend/MultiplexConsumer.cpp index 737877329c9ce758ff159fff7e651cd69c951a54..c74bfd86195fec275b875c50b747d907fdfbd164 100644 --- a/clang/lib/Frontend/MultiplexConsumer.cpp +++ b/clang/lib/Frontend/MultiplexConsumer.cpp @@ -20,6 +20,9 @@ using namespace clang; namespace clang { +class NamespaceDecl; +class TranslationUnitDecl; + MultiplexASTDeserializationListener::MultiplexASTDeserializationListener( const std::vector& L) : Listeners(L) { @@ -49,8 +52,8 @@ void MultiplexASTDeserializationListener::TypeRead( Listeners[i]->TypeRead(Idx, T); } -void MultiplexASTDeserializationListener::DeclRead( - serialization::DeclID ID, const Decl *D) { +void MultiplexASTDeserializationListener::DeclRead(GlobalDeclID ID, + const Decl *D) { for (size_t i = 0, e = Listeners.size(); i != e; ++i) Listeners[i]->DeclRead(ID, D); } @@ -115,6 +118,11 @@ public: void RedefinedHiddenDefinition(const NamedDecl *D, Module *M) override; void AddedAttributeToRecord(const Attr *Attr, const RecordDecl *Record) override; + void EnteringModulePurview() override; + void AddedManglingNumber(const Decl *D, unsigned) override; + void AddedStaticLocalNumbers(const Decl *D, unsigned) override; + void AddedAnonymousNamespace(const TranslationUnitDecl *, + NamespaceDecl *AnonNamespace) override; private: std::vector Listeners; @@ -238,6 +246,27 @@ void MultiplexASTMutationListener::AddedAttributeToRecord( L->AddedAttributeToRecord(Attr, Record); } +void MultiplexASTMutationListener::EnteringModulePurview() { + for (auto *L : Listeners) + L->EnteringModulePurview(); +} + +void MultiplexASTMutationListener::AddedManglingNumber(const Decl *D, + unsigned Number) { + for (auto *L : Listeners) + L->AddedManglingNumber(D, Number); +} +void MultiplexASTMutationListener::AddedStaticLocalNumbers(const Decl *D, + unsigned Number) { + for (auto *L : Listeners) + L->AddedStaticLocalNumbers(D, Number); +} +void MultiplexASTMutationListener::AddedAnonymousNamespace( + const TranslationUnitDecl *TU, NamespaceDecl *AnonNamespace) { + for (auto *L : Listeners) + L->AddedAnonymousNamespace(TU, AnonNamespace); +} + } // end namespace clang MultiplexConsumer::MultiplexConsumer( diff --git a/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp b/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp index f85f0365616f9ad8a92805a753bbc385aaa7a304..7476b1076d10381df8f485ffc3a05573ad68c9ee 100644 --- a/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp +++ b/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp @@ -53,6 +53,8 @@ CreateFrontendBaseAction(CompilerInstance &CI) { case DumpTokens: return std::make_unique(); case EmitAssembly: return std::make_unique(); case EmitBC: return std::make_unique(); + case EmitCIR: + llvm_unreachable("CIR suppport not built into clang"); case EmitHTML: return std::make_unique(); case EmitLLVM: return std::make_unique(); case EmitLLVMOnly: return std::make_unique(); diff --git a/clang/lib/Headers/avxintrin.h b/clang/lib/Headers/avxintrin.h index be7a0b247e03d45d7e7429de4dce85546b87206b..4983f3311370014f773499e784560fbd19eb2b46 100644 --- a/clang/lib/Headers/avxintrin.h +++ b/clang/lib/Headers/avxintrin.h @@ -840,6 +840,7 @@ _mm256_permutevar_pd(__m256d __a, __m256i __c) /// Copies the values stored in a 128-bit vector of [4 x float] as /// specified by the 128-bit integer vector operand. +/// /// \headerfile /// /// This intrinsic corresponds to the VPERMILPS instruction. diff --git a/clang/lib/Headers/cpuid.h b/clang/lib/Headers/cpuid.h index 0bb9912b465ffef7d1ce9cd8cb2d0a525ada6fc0..bb7692efb78ffe1902d5c7ec2b9f473143bc4385 100644 --- a/clang/lib/Headers/cpuid.h +++ b/clang/lib/Headers/cpuid.h @@ -10,7 +10,7 @@ #ifndef __CPUID_H #define __CPUID_H -#if !(__x86_64__ || __i386__) +#if !defined(__x86_64__) && !defined(__i386__) #error this header is for x86 only #endif @@ -256,7 +256,7 @@ #define bit_AVX10_256 0x00020000 #define bit_AVX10_512 0x00040000 -#if __i386__ +#ifdef __i386__ #define __cpuid(__leaf, __eax, __ebx, __ecx, __edx) \ __asm("cpuid" : "=a"(__eax), "=b" (__ebx), "=c"(__ecx), "=d"(__edx) \ : "0"(__leaf)) @@ -285,7 +285,7 @@ static __inline unsigned int __get_cpuid_max (unsigned int __leaf, unsigned int *__sig) { unsigned int __eax, __ebx, __ecx, __edx; -#if __i386__ +#ifdef __i386__ int __cpuid_supported; __asm(" pushfl\n" diff --git a/clang/lib/InstallAPI/DylibVerifier.cpp b/clang/lib/InstallAPI/DylibVerifier.cpp index 84d9b5892e88da14471d78a4ada28cd4f2a86012..216b5eb799cb348557b2b2af5a4bbb98831e585d 100644 --- a/clang/lib/InstallAPI/DylibVerifier.cpp +++ b/clang/lib/InstallAPI/DylibVerifier.cpp @@ -674,6 +674,11 @@ void DylibVerifier::visitSymbolInDylib(const Record &R, SymbolContext &SymCtx) { return; } + if (Aliases.count({SymbolName.str(), SymCtx.Kind})) { + updateState(Result::Valid); + return; + } + // All checks at this point classify as some kind of violation. // The different verification modes dictate whether they are reported to the // user. @@ -973,5 +978,24 @@ bool DylibVerifier::verifyBinaryAttrs(const ArrayRef ProvidedTargets, return true; } +std::unique_ptr DylibVerifier::takeExports() { + for (const auto &[Alias, Base] : Aliases) { + TargetList Targets; + SymbolFlags Flags = SymbolFlags::None; + if (const Symbol *Sym = Exports->findSymbol(Base.second, Base.first)) { + Flags = Sym->getFlags(); + Targets = {Sym->targets().begin(), Sym->targets().end()}; + } + + Record R(Alias.first, RecordLinkage::Exported, Flags); + SymbolContext SymCtx; + SymCtx.SymbolName = Alias.first; + SymCtx.Kind = Alias.second; + addSymbol(&R, SymCtx, std::move(Targets)); + } + + return std::move(Exports); +} + } // namespace installapi } // namespace clang diff --git a/clang/lib/InstallAPI/FileList.cpp b/clang/lib/InstallAPI/FileList.cpp index 8a01248659b7d716dca426528071a5d95eeb07d9..65610903840af76e83be221f24f93a1bccb3e34c 100644 --- a/clang/lib/InstallAPI/FileList.cpp +++ b/clang/lib/InstallAPI/FileList.cpp @@ -51,6 +51,7 @@ private: public: std::unique_ptr InputBuffer; + clang::FileManager *FM; unsigned Version; HeaderSeq HeaderList; @@ -124,6 +125,12 @@ Error Implementation::parseHeaders(Array &Headers) { HeaderFile{PathStr, *Type, /*IncludeName=*/"", Language}); continue; } + + if (FM) + if (!FM->getOptionalFileRef(PathStr)) + return createFileError( + PathStr, make_error_code(std::errc::no_such_file_or_directory)); + auto IncludeName = createIncludeHeaderName(PathStr); HeaderList.emplace_back(PathStr, *Type, IncludeName.has_value() ? IncludeName.value() : "", @@ -170,9 +177,10 @@ Error Implementation::parse(StringRef Input) { llvm::Error FileListReader::loadHeaders(std::unique_ptr InputBuffer, - HeaderSeq &Destination) { + HeaderSeq &Destination, clang::FileManager *FM) { Implementation Impl; Impl.InputBuffer = std::move(InputBuffer); + Impl.FM = FM; if (llvm::Error Err = Impl.parse(Impl.InputBuffer->getBuffer())) return Err; diff --git a/clang/lib/Interpreter/IncrementalParser.cpp b/clang/lib/Interpreter/IncrementalParser.cpp index 5eec2a2fd6d1a69c76a3464997394b681cb133a6..ef90fe9e6f5451701d6b2fd01639c70cad9839bc 100644 --- a/clang/lib/Interpreter/IncrementalParser.cpp +++ b/clang/lib/Interpreter/IncrementalParser.cpp @@ -209,6 +209,10 @@ IncrementalParser::IncrementalParser(Interpreter &Interp, if (Err) return; CI->ExecuteAction(*Act); + + if (getCodeGen()) + CachedInCodeGenModule = GenModule(); + std::unique_ptr IncrConsumer = std::make_unique(Interp, CI->takeASTConsumer()); CI->setASTConsumer(std::move(IncrConsumer)); @@ -224,11 +228,8 @@ IncrementalParser::IncrementalParser(Interpreter &Interp, return; // PTU.takeError(); } - if (CodeGenerator *CG = getCodeGen()) { - std::unique_ptr M(CG->ReleaseModule()); - CG->StartModule("incr_module_" + std::to_string(PTUs.size()), - M->getContext()); - PTU->TheModule = std::move(M); + if (getCodeGen()) { + PTU->TheModule = GenModule(); assert(PTU->TheModule && "Failed to create initial PTU"); } } @@ -364,6 +365,19 @@ IncrementalParser::Parse(llvm::StringRef input) { std::unique_ptr IncrementalParser::GenModule() { static unsigned ID = 0; if (CodeGenerator *CG = getCodeGen()) { + // Clang's CodeGen is designed to work with a single llvm::Module. In many + // cases for convenience various CodeGen parts have a reference to the + // llvm::Module (TheModule or Module) which does not change when a new + // module is pushed. However, the execution engine wants to take ownership + // of the module which does not map well to CodeGen's design. To work this + // around we created an empty module to make CodeGen happy. We should make + // sure it always stays empty. + assert((!CachedInCodeGenModule || + (CachedInCodeGenModule->empty() && + CachedInCodeGenModule->global_empty() && + CachedInCodeGenModule->alias_empty() && + CachedInCodeGenModule->ifunc_empty())) && + "CodeGen wrote to a readonly module"); std::unique_ptr M(CG->ReleaseModule()); CG->StartModule("incr_module_" + std::to_string(ID++), M->getContext()); return M; diff --git a/clang/lib/Interpreter/IncrementalParser.h b/clang/lib/Interpreter/IncrementalParser.h index e13b74c7f6594890ac6481e4be41a2270086bac7..f63bce50acd3b90b1964963add99fa5c23861744 100644 --- a/clang/lib/Interpreter/IncrementalParser.h +++ b/clang/lib/Interpreter/IncrementalParser.h @@ -24,6 +24,7 @@ #include namespace llvm { class LLVMContext; +class Module; } // namespace llvm namespace clang { @@ -57,6 +58,10 @@ protected: /// of code. std::list PTUs; + /// When CodeGen is created the first llvm::Module gets cached in many places + /// and we must keep it alive. + std::unique_ptr CachedInCodeGenModule; + IncrementalParser(); public: diff --git a/clang/lib/Lex/HeaderSearch.cpp b/clang/lib/Lex/HeaderSearch.cpp index 0632882b2961469c2c905b4c8a951e6bb6683937..574723b33866af4577ca052bebfa48c75d548a36 100644 --- a/clang/lib/Lex/HeaderSearch.cpp +++ b/clang/lib/Lex/HeaderSearch.cpp @@ -1574,6 +1574,7 @@ bool HeaderSearch::ShouldEnterIncludeFile(Preprocessor &PP, } } + FileInfo.IsLocallyIncluded = true; IsFirstIncludeOfFile = PP.markIncluded(File); return true; } diff --git a/clang/lib/Lex/LiteralSupport.cpp b/clang/lib/Lex/LiteralSupport.cpp index 438c6d772e6e04d41412dfbb018f651f9c9a2e7a..9c0cbea5052cb23dcb781c8d3ac72653506f1daf 100644 --- a/clang/lib/Lex/LiteralSupport.cpp +++ b/clang/lib/Lex/LiteralSupport.cpp @@ -974,6 +974,7 @@ NumericLiteralParser::NumericLiteralParser(StringRef TokSpelling, bool isFixedPointConstant = isFixedPointLiteral(); bool isFPConstant = isFloatingLiteral(); bool HasSize = false; + bool DoubleUnderscore = false; // Loop over all of the characters of the suffix. If we see something bad, // we break out of the loop. @@ -1117,6 +1118,31 @@ NumericLiteralParser::NumericLiteralParser(StringRef TokSpelling, if (isImaginary) break; // Cannot be repeated. isImaginary = true; continue; // Success. + case '_': + if (isFPConstant) + break; // Invalid for floats + if (HasSize) + break; + if (DoubleUnderscore) + break; // Cannot be repeated. + if (LangOpts.CPlusPlus && s + 2 < ThisTokEnd && + s[1] == '_') { // s + 2 < ThisTokEnd to ensure some character exists + // after __ + DoubleUnderscore = true; + s += 2; // Skip both '_' + if (s + 1 < ThisTokEnd && + (*s == 'u' || *s == 'U')) { // Ensure some character after 'u'/'U' + isUnsigned = true; + ++s; + } + if (s + 1 < ThisTokEnd && + ((*s == 'w' && *(++s) == 'b') || (*s == 'W' && *(++s) == 'B'))) { + isBitInt = true; + HasSize = true; + continue; + } + } + break; case 'w': case 'W': if (isFPConstant) @@ -1127,9 +1153,9 @@ NumericLiteralParser::NumericLiteralParser(StringRef TokSpelling, // wb and WB are allowed, but a mixture of cases like Wb or wB is not. We // explicitly do not support the suffix in C++ as an extension because a // library-based UDL that resolves to a library type may be more - // appropriate there. - if (!LangOpts.CPlusPlus && ((s[0] == 'w' && s[1] == 'b') || - (s[0] == 'W' && s[1] == 'B'))) { + // appropriate there. The same rules apply for __wb/__WB. + if ((!LangOpts.CPlusPlus || DoubleUnderscore) && s + 1 < ThisTokEnd && + ((s[0] == 'w' && s[1] == 'b') || (s[0] == 'W' && s[1] == 'B'))) { isBitInt = true; HasSize = true; ++s; // Skip both characters (2nd char skipped on continue). @@ -1241,7 +1267,9 @@ bool NumericLiteralParser::isValidUDSuffix(const LangOptions &LangOpts, return false; // By C++11 [lex.ext]p10, ud-suffixes starting with an '_' are always valid. - if (Suffix[0] == '_') + // Suffixes starting with '__' (double underscore) are for use by + // the implementation. + if (Suffix.starts_with("_") && !Suffix.starts_with("__")) return true; // In C++11, there are no library suffixes. diff --git a/clang/lib/Lex/PPExpressions.cpp b/clang/lib/Lex/PPExpressions.cpp index 8f25c67ec9dfbe40d1e73c9ac2efff1fb2b5d846..f267efabd617fd9cfaad99c1d998adc593588be8 100644 --- a/clang/lib/Lex/PPExpressions.cpp +++ b/clang/lib/Lex/PPExpressions.cpp @@ -333,11 +333,11 @@ static bool EvaluateValue(PPValue &Result, Token &PeekTok, DefinedTracker &DT, : diag::ext_cxx23_size_t_suffix : diag::err_cxx23_size_t_suffix); - // 'wb/uwb' literals are a C23 feature. We explicitly do not support the - // suffix in C++ as an extension because a library-based UDL that resolves - // to a library type may be more appropriate there. + // 'wb/uwb' literals are a C23 feature. + // '__wb/__uwb' are a C++ extension. if (Literal.isBitInt) - PP.Diag(PeekTok, PP.getLangOpts().C23 + PP.Diag(PeekTok, PP.getLangOpts().CPlusPlus ? diag::ext_cxx_bitint_suffix + : PP.getLangOpts().C23 ? diag::warn_c23_compat_bitint_suffix : diag::ext_c23_bitint_suffix); diff --git a/clang/lib/Lex/Pragma.cpp b/clang/lib/Lex/Pragma.cpp index 499813f8ab7df0e6f81f8b84e2d8ea5b6cd5399b..10f0ab7180e62d09d41debe9e8fb7bb96982f280 100644 --- a/clang/lib/Lex/Pragma.cpp +++ b/clang/lib/Lex/Pragma.cpp @@ -1444,7 +1444,8 @@ struct PragmaWarningHandler : public PragmaHandler { .Case("once", PPCallbacks::PWS_Once) .Case("suppress", PPCallbacks::PWS_Suppress) .Default(-1); - if ((SpecifierValid = SpecifierInt != -1)) + SpecifierValid = SpecifierInt != -1; + if (SpecifierValid) Specifier = static_cast(SpecifierInt); diff --git a/clang/lib/Parse/ParseCXXInlineMethods.cpp b/clang/lib/Parse/ParseCXXInlineMethods.cpp index d054eda279b8c874b50c6844fc7dd2b593e77b80..a26568dfd6aae39f7c6546714c3c16ac2e6554f6 100644 --- a/clang/lib/Parse/ParseCXXInlineMethods.cpp +++ b/clang/lib/Parse/ParseCXXInlineMethods.cpp @@ -603,6 +603,8 @@ void Parser::ParseLexedMethodDef(LexedMethod &LM) { // to be re-used for method bodies as well. ParseScope FnScope(this, Scope::FnScope | Scope::DeclScope | Scope::CompoundStmtScope); + Sema::FPFeaturesStateRAII SaveFPFeatures(Actions); + Actions.ActOnStartOfFunctionDef(getCurScope(), LM.D); if (Tok.is(tok::kw_try)) { diff --git a/clang/lib/Parse/ParseDecl.cpp b/clang/lib/Parse/ParseDecl.cpp index 5f26b5a9e46befd4069ff325d6a301079df5fafe..4e4b05b21383e1dcf2ab1ea82a5d099b3b1feb54 100644 --- a/clang/lib/Parse/ParseDecl.cpp +++ b/clang/lib/Parse/ParseDecl.cpp @@ -91,13 +91,23 @@ static StringRef normalizeAttrName(StringRef Name) { return Name; } -/// isAttributeLateParsed - Return true if the attribute has arguments that -/// require late parsing. -static bool isAttributeLateParsed(const IdentifierInfo &II) { +/// returns true iff attribute is annotated with `LateAttrParseExperimentalExt` +/// in `Attr.td`. +static bool IsAttributeLateParsedExperimentalExt(const IdentifierInfo &II) { +#define CLANG_ATTR_LATE_PARSED_EXPERIMENTAL_EXT_LIST + return llvm::StringSwitch(normalizeAttrName(II.getName())) +#include "clang/Parse/AttrParserStringSwitches.inc" + .Default(false); +#undef CLANG_ATTR_LATE_PARSED_EXPERIMENTAL_EXT_LIST +} + +/// returns true iff attribute is annotated with `LateAttrParseStandard` in +/// `Attr.td`. +static bool IsAttributeLateParsedStandard(const IdentifierInfo &II) { #define CLANG_ATTR_LATE_PARSED_LIST - return llvm::StringSwitch(normalizeAttrName(II.getName())) + return llvm::StringSwitch(normalizeAttrName(II.getName())) #include "clang/Parse/AttrParserStringSwitches.inc" - .Default(false); + .Default(false); #undef CLANG_ATTR_LATE_PARSED_LIST } @@ -222,8 +232,26 @@ void Parser::ParseGNUAttributes(ParsedAttributes &Attrs, continue; } + bool LateParse = false; + if (!LateAttrs) + LateParse = false; + else if (LateAttrs->lateAttrParseExperimentalExtOnly()) { + // The caller requested that this attribute **only** be late + // parsed for `LateAttrParseExperimentalExt` attributes. This will + // only be late parsed if the experimental language option is enabled. + LateParse = getLangOpts().ExperimentalLateParseAttributes && + IsAttributeLateParsedExperimentalExt(*AttrName); + } else { + // The caller did not restrict late parsing to only + // `LateAttrParseExperimentalExt` attributes so late parse + // both `LateAttrParseStandard` and `LateAttrParseExperimentalExt` + // attributes. + LateParse = IsAttributeLateParsedExperimentalExt(*AttrName) || + IsAttributeLateParsedStandard(*AttrName); + } + // Handle "parameterized" attributes - if (!LateAttrs || !isAttributeLateParsed(*AttrName)) { + if (!LateParse) { ParseGNUAttributeArgs(AttrName, AttrNameLoc, Attrs, &EndLoc, nullptr, SourceLocation(), ParsedAttr::Form::GNU(), D); continue; @@ -2222,7 +2250,7 @@ Parser::DeclGroupPtrTy Parser::ParseDeclGroup(ParsingDeclSpec &DS, } if (getLangOpts().HLSL) - MaybeParseHLSLSemantics(D); + MaybeParseHLSLAnnotations(D); if (Tok.is(tok::kw_requires)) ParseTrailingRequiresClause(D); @@ -2469,7 +2497,7 @@ Parser::DeclGroupPtrTy Parser::ParseDeclGroup(ParsingDeclSpec &DS, ParseDeclarator(D); if (getLangOpts().HLSL) - MaybeParseHLSLSemantics(D); + MaybeParseHLSLAnnotations(D); if (!D.isInvalidType()) { // C++2a [dcl.decl]p1 @@ -2998,7 +3026,7 @@ bool Parser::ParseImplicitInt(DeclSpec &DS, CXXScopeSpec *SS, << TokenName << TagName << getLangOpts().CPlusPlus << FixItHint::CreateInsertion(Tok.getLocation(), FixitTagName); - if (Actions.LookupParsedName(R, getCurScope(), SS)) { + if (Actions.LookupName(R, getCurScope())) { for (LookupResult::iterator I = R.begin(), IEnd = R.end(); I != IEnd; ++I) Diag((*I)->getLocation(), diag::note_decl_hiding_tag_type) @@ -7038,18 +7066,23 @@ void Parser::ParseDirectDeclarator(Declarator &D) { void Parser::ParseDecompositionDeclarator(Declarator &D) { assert(Tok.is(tok::l_square)); + TentativeParsingAction PA(*this); + BalancedDelimiterTracker T(*this, tok::l_square); + T.consumeOpen(); + + if (isCXX11AttributeSpecifier()) + DiagnoseAndSkipCXX11Attributes(); + // If this doesn't look like a structured binding, maybe it's a misplaced // array declarator. - // FIXME: Consume the l_square first so we don't need extra lookahead for - // this. - if (!(NextToken().is(tok::identifier) && - GetLookAheadToken(2).isOneOf(tok::comma, tok::r_square)) && - !(NextToken().is(tok::r_square) && - GetLookAheadToken(2).isOneOf(tok::equal, tok::l_brace))) + if (!(Tok.is(tok::identifier) && + NextToken().isOneOf(tok::comma, tok::r_square, tok::kw_alignas, + tok::l_square)) && + !(Tok.is(tok::r_square) && + NextToken().isOneOf(tok::equal, tok::l_brace))) { + PA.Revert(); return ParseMisplacedBracketDeclarator(D); - - BalancedDelimiterTracker T(*this, tok::l_square); - T.consumeOpen(); + } SmallVector Bindings; while (Tok.isNot(tok::r_square)) { @@ -7074,13 +7107,27 @@ void Parser::ParseDecompositionDeclarator(Declarator &D) { } } + if (isCXX11AttributeSpecifier()) + DiagnoseAndSkipCXX11Attributes(); + if (Tok.isNot(tok::identifier)) { Diag(Tok, diag::err_expected) << tok::identifier; break; } - Bindings.push_back({Tok.getIdentifierInfo(), Tok.getLocation()}); + IdentifierInfo *II = Tok.getIdentifierInfo(); + SourceLocation Loc = Tok.getLocation(); ConsumeToken(); + + ParsedAttributes Attrs(AttrFactory); + if (isCXX11AttributeSpecifier()) { + Diag(Tok, getLangOpts().CPlusPlus26 + ? diag::warn_cxx23_compat_decl_attrs_on_binding + : diag::ext_decl_attrs_on_binding); + MaybeParseCXX11Attributes(Attrs); + } + + Bindings.push_back({II, Loc, std::move(Attrs)}); } if (Tok.isNot(tok::r_square)) @@ -7095,6 +7142,8 @@ void Parser::ParseDecompositionDeclarator(Declarator &D) { T.consumeClose(); } + PA.Commit(); + return D.setDecompositionBindings(T.getOpenLocation(), Bindings, T.getCloseLocation()); } @@ -7367,12 +7416,20 @@ void Parser::ParseFunctionDeclarator(Declarator &D, std::optional ThisScope; InitCXXThisScopeForDeclaratorIfRelevant(D, DS, ThisScope); - // Parse exception-specification[opt]. - // FIXME: Per [class.mem]p6, all exception-specifications at class scope - // should be delayed, including those for non-members (eg, friend - // declarations). But only applying this to member declarations is - // consistent with what other implementations do. - bool Delayed = D.isFirstDeclarationOfMember() && + // C++ [class.mem.general]p8: + // A complete-class context of a class (template) is a + // - function body, + // - default argument, + // - default template argument, + // - noexcept-specifier, or + // - default member initializer + // within the member-specification of the class or class template. + // + // Parse exception-specification[opt]. If we are in the + // member-specification of a class or class template, this is a + // complete-class context and parsing of the noexcept-specifier should be + // delayed (even if this is a friend declaration). + bool Delayed = D.getContext() == DeclaratorContext::Member && D.isFunctionDeclaratorAFunctionDeclaration(); if (Delayed && Actions.isLibstdcxxEagerExceptionSpecHack(D) && GetLookAheadToken(0).is(tok::kw_noexcept) && @@ -7699,7 +7756,7 @@ void Parser::ParseParameterDeclarationClause( // Parse GNU attributes, if present. MaybeParseGNUAttributes(ParmDeclarator); if (getLangOpts().HLSL) - MaybeParseHLSLSemantics(DS.getAttributes()); + MaybeParseHLSLAnnotations(DS.getAttributes()); if (Tok.is(tok::kw_requires)) { // User tried to define a requires clause in a parameter declaration, diff --git a/clang/lib/Parse/ParseDeclCXX.cpp b/clang/lib/Parse/ParseDeclCXX.cpp index 51fd64b2d01aa71ce45ee214a3ad51d5ff36b4b2..8e0e86824829333027896dfb1da42f0e33bf53a3 100644 --- a/clang/lib/Parse/ParseDeclCXX.cpp +++ b/clang/lib/Parse/ParseDeclCXX.cpp @@ -799,6 +799,11 @@ Parser::DeclGroupPtrTy Parser::ParseUsingDeclaration( ProhibitAttributes(PrefixAttrs); Decl *DeclFromDeclSpec = nullptr; + Scope *CurScope = getCurScope(); + if (CurScope) + CurScope->setFlags(Scope::ScopeFlags::TypeAliasScope | + CurScope->getFlags()); + Decl *AD = ParseAliasDeclarationAfterDeclarator( TemplateInfo, UsingLoc, D, DeclEnd, AS, Attrs, &DeclFromDeclSpec); return Actions.ConvertDeclToDeclGroup(AD, DeclFromDeclSpec); diff --git a/clang/lib/Parse/ParseExpr.cpp b/clang/lib/Parse/ParseExpr.cpp index 32d96f81c4c8de09b0723a7d94ef72d149a9cbb3..7d6febb04a82c430588cf3b7c64e504ad05c3b3d 100644 --- a/clang/lib/Parse/ParseExpr.cpp +++ b/clang/lib/Parse/ParseExpr.cpp @@ -31,6 +31,7 @@ #include "clang/Sema/ParsedTemplate.h" #include "clang/Sema/Scope.h" #include "clang/Sema/SemaCUDA.h" +#include "clang/Sema/SemaOpenACC.h" #include "clang/Sema/SemaOpenMP.h" #include "clang/Sema/SemaSYCL.h" #include "clang/Sema/TypoCorrection.h" @@ -2070,15 +2071,22 @@ Parser::ParsePostfixExpressionSuffix(ExprResult LHS) { if (!LHS.isInvalid() && !HasError && !Length.isInvalid() && !Stride.isInvalid() && Tok.is(tok::r_square)) { if (ColonLocFirst.isValid() || ColonLocSecond.isValid()) { - // FIXME: OpenACC hasn't implemented Sema/Array section handling at a - // semantic level yet. For now, just reuse the OpenMP implementation - // as it gets the parsing/type management mostly right, and we can - // replace this call to ActOnOpenACCArraySectionExpr in the future. - // Eventually we'll genericize the OPenMPArraySectionExpr type as - // well. - LHS = Actions.OpenMP().ActOnOMPArraySectionExpr( - LHS.get(), Loc, ArgExprs.empty() ? nullptr : ArgExprs[0], - ColonLocFirst, ColonLocSecond, Length.get(), Stride.get(), RLoc); + // Like above, AllowOpenACCArraySections is 'more specific' and only + // enabled when actively parsing a 'var' in a 'var-list' during + // clause/'cache' construct parsing, so it is more specific. So we + // should do it first, so that the correct node gets created. + if (AllowOpenACCArraySections) { + assert(!Stride.isUsable() && !ColonLocSecond.isValid() && + "Stride/second colon not allowed for OpenACC"); + LHS = Actions.OpenACC().ActOnArraySectionExpr( + LHS.get(), Loc, ArgExprs.empty() ? nullptr : ArgExprs[0], + ColonLocFirst, Length.get(), RLoc); + } else { + LHS = Actions.OpenMP().ActOnOMPArraySectionExpr( + LHS.get(), Loc, ArgExprs.empty() ? nullptr : ArgExprs[0], + ColonLocFirst, ColonLocSecond, Length.get(), Stride.get(), + RLoc); + } } else { LHS = Actions.ActOnArraySubscriptExpr(getCurScope(), LHS.get(), Loc, ArgExprs, RLoc); diff --git a/clang/lib/Parse/ParseHLSL.cpp b/clang/lib/Parse/ParseHLSL.cpp index d97985d42369ad9626a31ff83f725af40a4bf4b9..f4cbece31f1810fab9d81f96da4d44661739c499 100644 --- a/clang/lib/Parse/ParseHLSL.cpp +++ b/clang/lib/Parse/ParseHLSL.cpp @@ -63,7 +63,7 @@ Decl *Parser::ParseHLSLBuffer(SourceLocation &DeclEnd) { SourceLocation IdentifierLoc = ConsumeToken(); ParsedAttributes Attrs(AttrFactory); - MaybeParseHLSLSemantics(Attrs, nullptr); + MaybeParseHLSLAnnotations(Attrs, nullptr); ParseScope BufferScope(this, Scope::DeclScope); BalancedDelimiterTracker T(*this, tok::l_brace); @@ -118,12 +118,10 @@ static void fixSeparateAttrArgAndNumber(StringRef ArgStr, SourceLocation ArgLoc, Slot = IdentifierLoc::create(Ctx, ArgLoc, PP.getIdentifierInfo(FixedArg)); } -void Parser::ParseHLSLSemantics(ParsedAttributes &Attrs, - SourceLocation *EndLoc) { - // FIXME: HLSLSemantic is shared for Semantic and resource binding which is - // confusing. Need a better name to avoid misunderstanding. Issue - // https://github.com/llvm/llvm-project/issues/57882 - assert(Tok.is(tok::colon) && "Not a HLSL Semantic"); +void Parser::ParseHLSLAnnotations(ParsedAttributes &Attrs, + SourceLocation *EndLoc) { + + assert(Tok.is(tok::colon) && "Not a HLSL Annotation"); ConsumeToken(); IdentifierInfo *II = nullptr; @@ -141,7 +139,7 @@ void Parser::ParseHLSLSemantics(ParsedAttributes &Attrs, if (EndLoc) *EndLoc = Tok.getLocation(); ParsedAttr::Kind AttrKind = - ParsedAttr::getParsedKind(II, nullptr, ParsedAttr::AS_HLSLSemantic); + ParsedAttr::getParsedKind(II, nullptr, ParsedAttr::AS_HLSLAnnotation); ArgsVector ArgExprs; switch (AttrKind) { @@ -192,10 +190,10 @@ void Parser::ParseHLSLSemantics(ParsedAttributes &Attrs, case ParsedAttr::AT_HLSLSV_DispatchThreadID: break; default: - llvm_unreachable("invalid HLSL Semantic"); + llvm_unreachable("invalid HLSL Annotation"); break; } Attrs.addNew(II, Loc, nullptr, SourceLocation(), ArgExprs.data(), - ArgExprs.size(), ParsedAttr::Form::HLSLSemantic()); + ArgExprs.size(), ParsedAttr::Form::HLSLAnnotation()); } diff --git a/clang/lib/Parse/ParseObjc.cpp b/clang/lib/Parse/ParseObjc.cpp index 671dcb71e51a376285a97af5568ccf8b233b2ebf..8e54fe012c55d7074b677783a88994c31bc8d5e4 100644 --- a/clang/lib/Parse/ParseObjc.cpp +++ b/clang/lib/Parse/ParseObjc.cpp @@ -3736,6 +3736,7 @@ void Parser::ParseLexedObjCMethodDefs(LexedMethod &LM, bool parseMethod) { ParseScope BodyScope(this, (parseMethod ? Scope::ObjCMethodScope : 0) | Scope::FnScope | Scope::DeclScope | Scope::CompoundStmtScope); + Sema::FPFeaturesStateRAII SaveFPFeatures(Actions); // Tell the actions module that we have entered a method or c-function definition // with the specified Declarator for the method/function. diff --git a/clang/lib/Parse/ParseOpenACC.cpp b/clang/lib/Parse/ParseOpenACC.cpp index 123be476e928eeb54e772eacb9e9577d2a18afaf..2d1ec6539b2fd1c5a990c5f4391348382dac3f26 100644 --- a/clang/lib/Parse/ParseOpenACC.cpp +++ b/clang/lib/Parse/ParseOpenACC.cpp @@ -86,6 +86,10 @@ OpenACCClauseKind getOpenACCClauseKind(Token Tok) { if (Tok.is(tok::kw_if)) return OpenACCClauseKind::If; + // 'private' is also a keyword, make sure we pare it correctly. + if (Tok.is(tok::kw_private)) + return OpenACCClauseKind::Private; + if (!Tok.is(tok::identifier)) return OpenACCClauseKind::Invalid; @@ -327,7 +331,7 @@ OpenACCReductionOperator ParseReductionOperator(Parser &P) { return OpenACCReductionOperator::Max; if (ReductionKindTok.getIdentifierInfo()->isStr("min")) return OpenACCReductionOperator::Min; - LLVM_FALLTHROUGH; + [[fallthrough]]; default: P.Diag(ReductionKindTok, diag::err_acc_invalid_reduction_operator); return OpenACCReductionOperator::Invalid; @@ -632,30 +636,52 @@ Parser::ParseOpenACCClauseList(OpenACCDirectiveKind DirKind) { return Clauses; } -ExprResult Parser::ParseOpenACCIntExpr() { - // FIXME: this is required to be an integer expression (or dependent), so we - // should ensure that is the case by passing this to SEMA here. - return getActions().CorrectDelayedTyposInExpr(ParseAssignmentExpression()); +Parser::OpenACCIntExprParseResult +Parser::ParseOpenACCIntExpr(OpenACCDirectiveKind DK, OpenACCClauseKind CK, + SourceLocation Loc) { + ExprResult ER = ParseAssignmentExpression(); + + // If the actual parsing failed, we don't know the state of the parse, so + // don't try to continue. + if (!ER.isUsable()) + return {ER, OpenACCParseCanContinue::Cannot}; + + // Parsing can continue after the initial assignment expression parsing, so + // even if there was a typo, we can continue. + ER = getActions().CorrectDelayedTyposInExpr(ER); + if (!ER.isUsable()) + return {ER, OpenACCParseCanContinue::Can}; + + return {getActions().OpenACC().ActOnIntExpr(DK, CK, Loc, ER.get()), + OpenACCParseCanContinue::Can}; } -bool Parser::ParseOpenACCClauseVarList(OpenACCClauseKind Kind) { - // FIXME: Future clauses will require 'special word' parsing, check for one, - // then parse it based on whether it is a clause that requires a 'special - // word'. - (void)Kind; +bool Parser::ParseOpenACCIntExprList(OpenACCDirectiveKind DK, + OpenACCClauseKind CK, SourceLocation Loc, + llvm::SmallVectorImpl &IntExprs) { + OpenACCIntExprParseResult CurResult = ParseOpenACCIntExpr(DK, CK, Loc); - // If the var parsing fails, skip until the end of the directive as this is - // an expression and gets messy if we try to continue otherwise. - if (ParseOpenACCVar()) + if (!CurResult.first.isUsable() && + CurResult.second == OpenACCParseCanContinue::Cannot) { + SkipUntil(tok::r_paren, tok::annot_pragma_openacc_end, + Parser::StopBeforeMatch); return true; + } + + IntExprs.push_back(CurResult.first.get()); while (!getCurToken().isOneOf(tok::r_paren, tok::annot_pragma_openacc_end)) { ExpectAndConsume(tok::comma); - // If the var parsing fails, skip until the end of the directive as this is - // an expression and gets messy if we try to continue otherwise. - if (ParseOpenACCVar()) + CurResult = ParseOpenACCIntExpr(DK, CK, Loc); + + if (!CurResult.first.isUsable() && + CurResult.second == OpenACCParseCanContinue::Cannot) { + SkipUntil(tok::r_paren, tok::annot_pragma_openacc_end, + Parser::StopBeforeMatch); return true; + } + IntExprs.push_back(CurResult.first.get()); } return false; } @@ -739,7 +765,7 @@ bool Parser::ParseOpenACCSizeExprList() { /// [num:]int-expr /// dim:int-expr /// static:size-expr -bool Parser::ParseOpenACCGangArg() { +bool Parser::ParseOpenACCGangArg(SourceLocation GangLoc) { if (isOpenACCSpecialToken(OpenACCSpecialTokenKind::Static, getCurToken()) && NextToken().is(tok::colon)) { @@ -753,7 +779,9 @@ bool Parser::ParseOpenACCGangArg() { NextToken().is(tok::colon)) { ConsumeToken(); ConsumeToken(); - return ParseOpenACCIntExpr().isInvalid(); + return ParseOpenACCIntExpr(OpenACCDirectiveKind::Invalid, + OpenACCClauseKind::Gang, GangLoc) + .first.isInvalid(); } if (isOpenACCSpecialToken(OpenACCSpecialTokenKind::Num, getCurToken()) && @@ -763,11 +791,13 @@ bool Parser::ParseOpenACCGangArg() { // Fallthrough to the 'int-expr' handling for when 'num' is omitted. } // This is just the 'num' case where 'num' is optional. - return ParseOpenACCIntExpr().isInvalid(); + return ParseOpenACCIntExpr(OpenACCDirectiveKind::Invalid, + OpenACCClauseKind::Gang, GangLoc) + .first.isInvalid(); } -bool Parser::ParseOpenACCGangArgList() { - if (ParseOpenACCGangArg()) { +bool Parser::ParseOpenACCGangArgList(SourceLocation GangLoc) { + if (ParseOpenACCGangArg(GangLoc)) { SkipUntil(tok::r_paren, tok::annot_pragma_openacc_end, Parser::StopBeforeMatch); return false; @@ -776,7 +806,7 @@ bool Parser::ParseOpenACCGangArgList() { while (!getCurToken().isOneOf(tok::r_paren, tok::annot_pragma_openacc_end)) { ExpectAndConsume(tok::comma); - if (ParseOpenACCGangArg()) { + if (ParseOpenACCGangArg(GangLoc)) { SkipUntil(tok::r_paren, tok::annot_pragma_openacc_end, Parser::StopBeforeMatch); return false; @@ -869,35 +899,26 @@ Parser::OpenACCClauseParseResult Parser::ParseOpenACCClauseParams( case OpenACCClauseKind::CopyIn: tryParseAndConsumeSpecialTokenKind( *this, OpenACCSpecialTokenKind::ReadOnly, ClauseKind); - if (ParseOpenACCClauseVarList(ClauseKind)) { - Parens.skipToEnd(); - return OpenACCCanContinue(); - } + ParseOpenACCVarList(); break; case OpenACCClauseKind::Create: case OpenACCClauseKind::CopyOut: tryParseAndConsumeSpecialTokenKind(*this, OpenACCSpecialTokenKind::Zero, ClauseKind); - if (ParseOpenACCClauseVarList(ClauseKind)) { - Parens.skipToEnd(); - return OpenACCCanContinue(); - } + ParseOpenACCVarList(); break; case OpenACCClauseKind::Reduction: // If we're missing a clause-kind (or it is invalid), see if we can parse // the var-list anyway. ParseReductionOperator(*this); - if (ParseOpenACCClauseVarList(ClauseKind)) { - Parens.skipToEnd(); - return OpenACCCanContinue(); - } + ParseOpenACCVarList(); break; case OpenACCClauseKind::Self: // The 'self' clause is a var-list instead of a 'condition' in the case of // the 'update' clause, so we have to handle it here. U se an assert to // make sure we get the right differentiator. assert(DirKind == OpenACCDirectiveKind::Update); - LLVM_FALLTHROUGH; + [[fallthrough]]; case OpenACCClauseKind::Attach: case OpenACCClauseKind::Copy: case OpenACCClauseKind::Delete: @@ -910,12 +931,11 @@ Parser::OpenACCClauseParseResult Parser::ParseOpenACCClauseParams( case OpenACCClauseKind::Link: case OpenACCClauseKind::NoCreate: case OpenACCClauseKind::Present: - case OpenACCClauseKind::Private: case OpenACCClauseKind::UseDevice: - if (ParseOpenACCClauseVarList(ClauseKind)) { - Parens.skipToEnd(); - return OpenACCCanContinue(); - } + ParseOpenACCVarList(); + break; + case OpenACCClauseKind::Private: + ParsedClause.setVarListDetails(ParseOpenACCVarList()); break; case OpenACCClauseKind::Collapse: { tryParseAndConsumeSpecialTokenKind(*this, OpenACCSpecialTokenKind::Force, @@ -936,16 +956,36 @@ Parser::OpenACCClauseParseResult Parser::ParseOpenACCClauseParams( } break; } - case OpenACCClauseKind::NumGangs: + case OpenACCClauseKind::NumGangs: { + llvm::SmallVector IntExprs; + + if (ParseOpenACCIntExprList(OpenACCDirectiveKind::Invalid, + OpenACCClauseKind::NumGangs, ClauseLoc, + IntExprs)) { + Parens.skipToEnd(); + return OpenACCCanContinue(); + } + ParsedClause.setIntExprDetails(std::move(IntExprs)); + break; + } case OpenACCClauseKind::NumWorkers: case OpenACCClauseKind::DeviceNum: case OpenACCClauseKind::DefaultAsync: case OpenACCClauseKind::VectorLength: { - ExprResult IntExpr = ParseOpenACCIntExpr(); + ExprResult IntExpr = ParseOpenACCIntExpr(OpenACCDirectiveKind::Invalid, + ClauseKind, ClauseLoc) + .first; if (IntExpr.isInvalid()) { Parens.skipToEnd(); return OpenACCCanContinue(); } + + // TODO OpenACC: as we implement the 'rest' of the above, this 'if' should + // be removed leaving just the 'setIntExprDetails'. + if (ClauseKind == OpenACCClauseKind::NumWorkers || + ClauseKind == OpenACCClauseKind::VectorLength) + ParsedClause.setIntExprDetails(IntExpr.get()); + break; } case OpenACCClauseKind::DType: @@ -998,7 +1038,9 @@ Parser::OpenACCClauseParseResult Parser::ParseOpenACCClauseParams( ? OpenACCSpecialTokenKind::Length : OpenACCSpecialTokenKind::Num, ClauseKind); - ExprResult IntExpr = ParseOpenACCIntExpr(); + ExprResult IntExpr = ParseOpenACCIntExpr(OpenACCDirectiveKind::Invalid, + ClauseKind, ClauseLoc) + .first; if (IntExpr.isInvalid()) { Parens.skipToEnd(); return OpenACCCanContinue(); @@ -1014,13 +1056,14 @@ Parser::OpenACCClauseParseResult Parser::ParseOpenACCClauseParams( break; } case OpenACCClauseKind::Gang: - if (ParseOpenACCGangArgList()) { + if (ParseOpenACCGangArgList(ClauseLoc)) { Parens.skipToEnd(); return OpenACCCanContinue(); } break; case OpenACCClauseKind::Wait: - if (ParseOpenACCWaitArgument()) { + if (ParseOpenACCWaitArgument(ClauseLoc, + /*IsDirective=*/false)) { Parens.skipToEnd(); return OpenACCCanContinue(); } @@ -1052,7 +1095,7 @@ ExprResult Parser::ParseOpenACCAsyncArgument() { /// In this section and throughout the specification, the term wait-argument /// means: /// [ devnum : int-expr : ] [ queues : ] async-argument-list -bool Parser::ParseOpenACCWaitArgument() { +bool Parser::ParseOpenACCWaitArgument(SourceLocation Loc, bool IsDirective) { // [devnum : int-expr : ] if (isOpenACCSpecialToken(OpenACCSpecialTokenKind::DevNum, Tok) && NextToken().is(tok::colon)) { @@ -1061,7 +1104,13 @@ bool Parser::ParseOpenACCWaitArgument() { // Consume colon. ConsumeToken(); - ExprResult IntExpr = ParseOpenACCIntExpr(); + ExprResult IntExpr = + ParseOpenACCIntExpr(IsDirective ? OpenACCDirectiveKind::Wait + : OpenACCDirectiveKind::Invalid, + IsDirective ? OpenACCClauseKind::Invalid + : OpenACCClauseKind::Wait, + Loc) + .first; if (IntExpr.isInvalid()) return true; @@ -1150,16 +1199,51 @@ ExprResult Parser::ParseOpenACCBindClauseArgument() { /// OpenACC 3.3, section 1.6: /// In this spec, a 'var' (in italics) is one of the following: -/// - a variable name (a scalar, array, or compisite variable name) +/// - a variable name (a scalar, array, or composite variable name) /// - a subarray specification with subscript ranges /// - an array element /// - a member of a composite variable /// - a common block name between slashes (fortran only) -bool Parser::ParseOpenACCVar() { +Parser::OpenACCVarParseResult Parser::ParseOpenACCVar() { OpenACCArraySectionRAII ArraySections(*this); - ExprResult Res = - getActions().CorrectDelayedTyposInExpr(ParseAssignmentExpression()); - return Res.isInvalid(); + + ExprResult Res = ParseAssignmentExpression(); + if (!Res.isUsable()) + return {Res, OpenACCParseCanContinue::Cannot}; + + Res = getActions().CorrectDelayedTyposInExpr(Res.get()); + if (!Res.isUsable()) + return {Res, OpenACCParseCanContinue::Can}; + + Res = getActions().OpenACC().ActOnVar(Res.get()); + + return {Res, OpenACCParseCanContinue::Can}; +} + +llvm::SmallVector Parser::ParseOpenACCVarList() { + llvm::SmallVector Vars; + + auto [Res, CanContinue] = ParseOpenACCVar(); + if (Res.isUsable()) { + Vars.push_back(Res.get()); + } else if (CanContinue == OpenACCParseCanContinue::Cannot) { + SkipUntil(tok::r_paren, tok::annot_pragma_openacc_end, StopBeforeMatch); + return Vars; + } + + while (!getCurToken().isOneOf(tok::r_paren, tok::annot_pragma_openacc_end)) { + ExpectAndConsume(tok::comma); + + auto [Res, CanContinue] = ParseOpenACCVar(); + + if (Res.isUsable()) { + Vars.push_back(Res.get()); + } else if (CanContinue == OpenACCParseCanContinue::Cannot) { + SkipUntil(tok::r_paren, tok::annot_pragma_openacc_end, StopBeforeMatch); + return Vars; + } + } + return Vars; } /// OpenACC 3.3, section 2.10: @@ -1182,24 +1266,9 @@ void Parser::ParseOpenACCCacheVarList() { // Sema/AST generation. } - bool FirstArray = true; - while (!getCurToken().isOneOf(tok::r_paren, tok::annot_pragma_openacc_end)) { - if (!FirstArray) - ExpectAndConsume(tok::comma); - FirstArray = false; - - // OpenACC 3.3, section 2.10: - // A 'var' in a cache directive must be a single array element or a simple - // subarray. In C and C++, a simple subarray is an array name followed by - // an extended array range specification in brackets, with a start and - // length such as: - // - // arr[lower:length] - // - if (ParseOpenACCVar()) - SkipUntil(tok::r_paren, tok::annot_pragma_openacc_end, tok::comma, - StopBeforeMatch); - } + // ParseOpenACCVarList should leave us before a r-paren, so no need to skip + // anything here. + ParseOpenACCVarList(); } Parser::OpenACCDirectiveParseInfo Parser::ParseOpenACCDirective() { @@ -1245,7 +1314,7 @@ Parser::OpenACCDirectiveParseInfo Parser::ParseOpenACCDirective() { break; case OpenACCDirectiveKind::Wait: // OpenACC has an optional paren-wrapped 'wait-argument'. - if (ParseOpenACCWaitArgument()) + if (ParseOpenACCWaitArgument(StartLoc, /*IsDirective=*/true)) T.skipToEnd(); else T.consumeClose(); diff --git a/clang/lib/Parse/ParsePragma.cpp b/clang/lib/Parse/ParsePragma.cpp index 3979f75b6020dbba3d91ae2e747aac6bbcdf996a..cd0fab5fe31d3fc66928ccd079d380441cbd7ee6 100644 --- a/clang/lib/Parse/ParsePragma.cpp +++ b/clang/lib/Parse/ParsePragma.cpp @@ -1569,7 +1569,8 @@ bool Parser::HandlePragmaLoopHint(LoopHint &Hint) { ConsumeToken(); // Consume the constant expression eof terminator. if (Arg2Error || R.isInvalid() || - Actions.CheckLoopHintExpr(R.get(), Toks[0].getLocation())) + Actions.CheckLoopHintExpr(R.get(), Toks[0].getLocation(), + /*AllowZero=*/false)) return false; // Argument is a constant expression with an integer type. @@ -1594,7 +1595,8 @@ bool Parser::HandlePragmaLoopHint(LoopHint &Hint) { ConsumeToken(); // Consume the constant expression eof terminator. if (R.isInvalid() || - Actions.CheckLoopHintExpr(R.get(), Toks[0].getLocation())) + Actions.CheckLoopHintExpr(R.get(), Toks[0].getLocation(), + /*AllowZero=*/true)) return false; // Argument is a constant expression with an integer type. diff --git a/clang/lib/Parse/ParseTemplate.cpp b/clang/lib/Parse/ParseTemplate.cpp index b07ce451e878eb3a3d9a17a3b5db9c6c8f52e6e7..665253a6674d27add53478667a99269212ac8f02 100644 --- a/clang/lib/Parse/ParseTemplate.cpp +++ b/clang/lib/Parse/ParseTemplate.cpp @@ -733,7 +733,12 @@ NamedDecl *Parser::ParseTypeParameter(unsigned Depth, unsigned Position) { // we introduce the type parameter into the local scope. SourceLocation EqualLoc; ParsedType DefaultArg; + std::optional DontDestructTemplateIds; if (TryConsumeToken(tok::equal, EqualLoc)) { + // The default argument might contain a lambda declaration; avoid destroying + // parsed template ids at the end of that declaration because they can be + // used in a type constraint later. + DontDestructTemplateIds.emplace(*this, /*DelayTemplateIdDestruction=*/true); // The default argument may declare template parameters, notably // if it contains a generic lambda, so we need to increase // the template depth as these parameters would not be instantiated diff --git a/clang/lib/Parse/Parser.cpp b/clang/lib/Parse/Parser.cpp index ef46fc74cedc14da01ca0e528ed3619b2c356a5c..adcbe5858bc78ee76c511c697df15b904973f549 100644 --- a/clang/lib/Parse/Parser.cpp +++ b/clang/lib/Parse/Parser.cpp @@ -1497,6 +1497,8 @@ Decl *Parser::ParseFunctionDefinition(ParsingDeclarator &D, return Actions.ActOnFinishFunctionBody(Res, nullptr, false); } + Sema::FPFeaturesStateRAII SaveFPFeatures(Actions); + if (Tok.is(tok::kw_try)) return ParseFunctionTryBlock(Res, BodyScope); diff --git a/clang/lib/Sema/DeclSpec.cpp b/clang/lib/Sema/DeclSpec.cpp index b79683bb32a69ec559c401fb3329c648cfdea686..60e81890257002a52993d367b876ab305e520d45 100644 --- a/clang/lib/Sema/DeclSpec.cpp +++ b/clang/lib/Sema/DeclSpec.cpp @@ -293,7 +293,7 @@ DeclaratorChunk DeclaratorChunk::getFunction(bool hasProto, void Declarator::setDecompositionBindings( SourceLocation LSquareLoc, - ArrayRef Bindings, + MutableArrayRef Bindings, SourceLocation RSquareLoc) { assert(!hasName() && "declarator given multiple names!"); @@ -317,7 +317,7 @@ void Declarator::setDecompositionBindings( new DecompositionDeclarator::Binding[Bindings.size()]; BindingGroup.DeleteBindings = true; } - std::uninitialized_copy(Bindings.begin(), Bindings.end(), + std::uninitialized_move(Bindings.begin(), Bindings.end(), BindingGroup.Bindings); } } @@ -1202,7 +1202,10 @@ void DeclSpec::Finish(Sema &S, const PrintingPolicy &Policy) { !S.Context.getTargetInfo().hasFeature("power8-vector")) S.Diag(TSTLoc, diag::err_invalid_vector_int128_decl_spec); - if (TypeAltiVecBool) { + // Complex vector types are not supported. + if (TypeSpecComplex != TSC_unspecified) + S.Diag(TSCLoc, diag::err_invalid_vector_complex_decl_spec); + else if (TypeAltiVecBool) { // Sign specifiers are not allowed with vector bool. (PIM 2.1) if (getTypeSpecSign() != TypeSpecifierSign::Unspecified) { S.Diag(TSSLoc, diag::err_invalid_vector_bool_decl_spec) diff --git a/clang/lib/Sema/HLSLExternalSemaSource.cpp b/clang/lib/Sema/HLSLExternalSemaSource.cpp index 1a1febf7a3524118d9179d14575e3c870a5a20c3..bb283c54b3d29c13f2de137a5e42d3fe3e282a63 100644 --- a/clang/lib/Sema/HLSLExternalSemaSource.cpp +++ b/clang/lib/Sema/HLSLExternalSemaSource.cpp @@ -126,12 +126,15 @@ struct BuiltinTypeDeclBuilder { static DeclRefExpr *lookupBuiltinFunction(ASTContext &AST, Sema &S, StringRef Name) { - CXXScopeSpec SS; IdentifierInfo &II = AST.Idents.get(Name, tok::TokenKind::identifier); DeclarationNameInfo NameInfo = DeclarationNameInfo(DeclarationName(&II), SourceLocation()); LookupResult R(S, NameInfo, Sema::LookupOrdinaryName); - S.LookupParsedName(R, S.getCurScope(), &SS, false); + // AllowBuiltinCreation is false but LookupDirect will create + // the builtin when searching the global scope anyways... + S.LookupName(R, S.getCurScope()); + // FIXME: If the builtin function was user-declared in global scope, + // this assert *will* fail. Should this call LookupBuiltin instead? assert(R.isSingleResult() && "Since this is a builtin it should always resolve!"); auto *VD = cast(R.getFoundDecl()); diff --git a/clang/lib/Sema/JumpDiagnostics.cpp b/clang/lib/Sema/JumpDiagnostics.cpp index ce6211c23218bbd2024bad7aa5dcb690e005ebeb..8af36d5c24e3d232ad0a067c84ff56b93340c341 100644 --- a/clang/lib/Sema/JumpDiagnostics.cpp +++ b/clang/lib/Sema/JumpDiagnostics.cpp @@ -180,7 +180,8 @@ static ScopePair GetDiagForGotoScopeDecl(Sema &S, const Decl *D) { } const Expr *Init = VD->getInit(); - if (S.Context.getLangOpts().CPlusPlus && VD->hasLocalStorage() && Init) { + if (S.Context.getLangOpts().CPlusPlus && VD->hasLocalStorage() && Init && + !Init->containsErrors()) { // C++11 [stmt.dcl]p3: // A program that jumps from a point where a variable with automatic // storage duration is not in scope to a point where it is in scope diff --git a/clang/lib/Sema/MultiplexExternalSemaSource.cpp b/clang/lib/Sema/MultiplexExternalSemaSource.cpp index 058e22cb2b814e6d4f53c801662ff71311f04d5f..79e656eb4b7e27d47869e3ef192fc644f4612cd4 100644 --- a/clang/lib/Sema/MultiplexExternalSemaSource.cpp +++ b/clang/lib/Sema/MultiplexExternalSemaSource.cpp @@ -46,7 +46,7 @@ void MultiplexExternalSemaSource::AddSource(ExternalSemaSource *Source) { // ExternalASTSource. //===----------------------------------------------------------------------===// -Decl *MultiplexExternalSemaSource::GetExternalDecl(uint32_t ID) { +Decl *MultiplexExternalSemaSource::GetExternalDecl(GlobalDeclID ID) { for(size_t i = 0; i < Sources.size(); ++i) if (Decl *Result = Sources[i]->GetExternalDecl(ID)) return Result; diff --git a/clang/lib/Sema/SemaAPINotes.cpp b/clang/lib/Sema/SemaAPINotes.cpp index 4c445f28bba8c62debc5ba52dfc1b0897c4f7459..c5998aca0d721149f0efe0b3748c142c6b03dcdf 100644 --- a/clang/lib/Sema/SemaAPINotes.cpp +++ b/clang/lib/Sema/SemaAPINotes.cpp @@ -594,6 +594,11 @@ static void ProcessAPINotes(Sema &S, TagDecl *D, const api_notes::TagInfo &Info, D->addAttr( SwiftAttrAttr::Create(S.Context, "release:" + ReleaseOp.value())); + if (auto Copyable = Info.isSwiftCopyable()) { + if (!*Copyable) + D->addAttr(SwiftAttrAttr::Create(S.Context, "~Copyable")); + } + if (auto Extensibility = Info.EnumExtensibility) { using api_notes::EnumExtensibilityKind; bool ShouldAddAttribute = (*Extensibility != EnumExtensibilityKind::None); diff --git a/clang/lib/Sema/SemaAttr.cpp b/clang/lib/Sema/SemaAttr.cpp index a5dd158808f26b4bed173943d9940f7f76602d10..a83b1e8afadbc65f5980309d52270d14c9e08652 100644 --- a/clang/lib/Sema/SemaAttr.cpp +++ b/clang/lib/Sema/SemaAttr.cpp @@ -837,7 +837,7 @@ void Sema::ActOnPragmaUnused(const Token &IdTok, Scope *curScope, IdentifierInfo *Name = IdTok.getIdentifierInfo(); LookupResult Lookup(*this, Name, IdTok.getLocation(), LookupOrdinaryName); - LookupParsedName(Lookup, curScope, nullptr, true); + LookupName(Lookup, curScope, /*AllowBuiltinCreation=*/true); if (Lookup.empty()) { Diag(PragmaLoc, diag::warn_pragma_unused_undeclared_var) diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp index d814327d23470fa82fc6b7fa63fede599096cb2e..cf8840c63024d4c449649e3a64c57e6d56d21f2a 100644 --- a/clang/lib/Sema/SemaChecking.cpp +++ b/clang/lib/Sema/SemaChecking.cpp @@ -622,7 +622,7 @@ struct BuiltinDumpStructGenerator { for (auto *D : RD->decls()) { auto *IFD = dyn_cast(D); auto *FD = IFD ? IFD->getAnonField() : dyn_cast(D); - if (!FD || FD->isUnnamedBitfield() || FD->isAnonymousStructOrUnion()) + if (!FD || FD->isUnnamedBitField() || FD->isAnonymousStructOrUnion()) continue; llvm::SmallString<20> Format = llvm::StringRef("%s%s %s "); @@ -3164,13 +3164,20 @@ Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl, unsigned BuiltinID, const Expr *Arg = TheCall->getArg(0); const auto *TyA = Arg->getType()->getAs(); - if (!TyA) { + + QualType ElTy; + if (TyA) + ElTy = TyA->getElementType(); + else if (Arg->getType()->isSizelessVectorType()) + ElTy = Arg->getType()->getSizelessVectorEltType(Context); + + if (ElTy.isNull()) { Diag(Arg->getBeginLoc(), diag::err_builtin_invalid_arg_type) << 1 << /* vector ty*/ 4 << Arg->getType(); return ExprError(); } - TheCall->setType(TyA->getElementType()); + TheCall->setType(ElTy); break; } @@ -3186,12 +3193,20 @@ Sema::CheckBuiltinFunctionCall(FunctionDecl *FDecl, unsigned BuiltinID, const Expr *Arg = TheCall->getArg(0); const auto *TyA = Arg->getType()->getAs(); - if (!TyA || !TyA->getElementType()->isIntegerType()) { + + QualType ElTy; + if (TyA) + ElTy = TyA->getElementType(); + else if (Arg->getType()->isSizelessVectorType()) + ElTy = Arg->getType()->getSizelessVectorEltType(Context); + + if (ElTy.isNull() || !ElTy->isIntegerType()) { Diag(Arg->getBeginLoc(), diag::err_builtin_invalid_arg_type) << 1 << /* vector of integers */ 6 << Arg->getType(); return ExprError(); } - TheCall->setType(TyA->getElementType()); + + TheCall->setType(ElTy); break; } @@ -3507,11 +3522,15 @@ bool Sema::ParseSVEImmChecks( static ArmStreamingType getArmStreamingFnType(const FunctionDecl *FD) { if (FD->hasAttr()) return ArmStreaming; - if (const auto *T = FD->getType()->getAs()) { - if (T->getAArch64SMEAttributes() & FunctionType::SME_PStateSMEnabledMask) - return ArmStreaming; - if (T->getAArch64SMEAttributes() & FunctionType::SME_PStateSMCompatibleMask) - return ArmStreamingCompatible; + if (const Type *Ty = FD->getType().getTypePtrOrNull()) { + if (const auto *FPT = Ty->getAs()) { + if (FPT->getAArch64SMEAttributes() & + FunctionType::SME_PStateSMEnabledMask) + return ArmStreaming; + if (FPT->getAArch64SMEAttributes() & + FunctionType::SME_PStateSMCompatibleMask) + return ArmStreamingCompatible; + } } return ArmNonStreaming; } @@ -7949,6 +7968,8 @@ void Sema::checkCall(NamedDecl *FDecl, const FunctionProtoType *Proto, // For variadic functions, we may have more args than parameters. // For some K&R functions, we may have less args than parameters. const auto N = std::min(Proto->getNumParams(), Args.size()); + bool IsScalableRet = Proto->getReturnType()->isSizelessVectorType(); + bool IsScalableArg = false; for (unsigned ArgIdx = 0; ArgIdx < N; ++ArgIdx) { // Args[ArgIdx] can be null in malformed code. if (const Expr *Arg = Args[ArgIdx]) { @@ -7962,6 +7983,8 @@ void Sema::checkCall(NamedDecl *FDecl, const FunctionProtoType *Proto, checkAIXMemberAlignment((Arg->getExprLoc()), Arg); QualType ParamTy = Proto->getParamType(ArgIdx); + if (ParamTy->isSizelessVectorType()) + IsScalableArg = true; QualType ArgTy = Arg->getType(); CheckArgAlignment(Arg->getExprLoc(), FDecl, std::to_string(ArgIdx + 1), ArgTy, ParamTy); @@ -7982,6 +8005,30 @@ void Sema::checkCall(NamedDecl *FDecl, const FunctionProtoType *Proto, } } + // If the call requires a streaming-mode change and has scalable vector + // arguments or return values, then warn the user that the streaming and + // non-streaming vector lengths may be different. + const auto *CallerFD = dyn_cast(CurContext); + if (CallerFD && (!FD || !FD->getBuiltinID()) && + (IsScalableArg || IsScalableRet)) { + bool IsCalleeStreaming = + ExtInfo.AArch64SMEAttributes & FunctionType::SME_PStateSMEnabledMask; + bool IsCalleeStreamingCompatible = + ExtInfo.AArch64SMEAttributes & + FunctionType::SME_PStateSMCompatibleMask; + ArmStreamingType CallerFnType = getArmStreamingFnType(CallerFD); + if (!IsCalleeStreamingCompatible && + (CallerFnType == ArmStreamingCompatible || + ((CallerFnType == ArmStreaming) ^ IsCalleeStreaming))) { + if (IsScalableArg) + Diag(Loc, diag::warn_sme_streaming_pass_return_vl_to_non_streaming) + << /*IsArg=*/true; + if (IsScalableRet) + Diag(Loc, diag::warn_sme_streaming_pass_return_vl_to_non_streaming) + << /*IsArg=*/false; + } + } + FunctionType::ArmStateValue CalleeArmZAState = FunctionType::getArmZAState(ExtInfo.AArch64SMEAttributes); FunctionType::ArmStateValue CalleeArmZT0State = @@ -7990,7 +8037,7 @@ void Sema::checkCall(NamedDecl *FDecl, const FunctionProtoType *Proto, CalleeArmZT0State != FunctionType::ARM_None) { bool CallerHasZAState = false; bool CallerHasZT0State = false; - if (const auto *CallerFD = dyn_cast(CurContext)) { + if (CallerFD) { auto *Attr = CallerFD->getAttr(); if (Attr && Attr->isNewZA()) CallerHasZAState = true; @@ -12512,6 +12559,17 @@ CheckPrintfHandler::checkFormatExpr(const analyze_printf::PrintfSpecifier &FS, return true; } + // Diagnose attempts to use '%P' with ObjC object types, which will result in + // dumping raw class data (like is-a pointer), not actual data. + if (FS.getConversionSpecifier().getKind() == ConversionSpecifier::PArg && + ExprTy->isObjCObjectPointerType()) { + const CharSourceRange &CSR = + getSpecifierRange(StartSpecifier, SpecifierLen); + EmitFormatDiagnostic(S.PDiag(diag::warn_format_P_with_objc_pointer), + E->getExprLoc(), false, CSR); + return true; + } + ArgType::MatchKind ImplicitMatch = ArgType::NoMatch; ArgType::MatchKind Match = AT.matchesType(S.Context, ExprTy); ArgType::MatchKind OrigMatch = Match; @@ -12755,10 +12813,15 @@ CheckPrintfHandler::checkFormatExpr(const analyze_printf::PrintfSpecifier &FS, // In this case, the expression could be printed using a different // specifier, but we've decided that the specifier is probably correct // and we should cast instead. Just use the normal warning message. + + unsigned Diag = + IsScopedEnum + ? diag::warn_format_conversion_argument_type_mismatch_pedantic + : diag::warn_format_conversion_argument_type_mismatch; + EmitFormatDiagnostic( - S.PDiag(diag::warn_format_conversion_argument_type_mismatch) - << AT.getRepresentativeTypeName(S.Context) << ExprTy << IsEnum - << E->getSourceRange(), + S.PDiag(Diag) << AT.getRepresentativeTypeName(S.Context) << ExprTy + << IsEnum << E->getSourceRange(), E->getBeginLoc(), /*IsStringLocation*/ false, SpecRange, Hints); } } @@ -18687,8 +18750,10 @@ void Sema::CheckArrayAccess(const Expr *expr) { expr = cast(expr)->getBase(); break; } - case Stmt::OMPArraySectionExprClass: { - const OMPArraySectionExpr *ASE = cast(expr); + case Stmt::ArraySectionExprClass: { + const ArraySectionExpr *ASE = cast(expr); + // FIXME: We should probably be checking all of the elements to the + // 'length' here as well. if (ASE->getLowerBound()) CheckArrayAccess(ASE->getBase(), ASE->getLowerBound(), /*ASE=*/nullptr, AllowOnePastEnd > 0); diff --git a/clang/lib/Sema/SemaCoroutine.cpp b/clang/lib/Sema/SemaCoroutine.cpp index 736632857efc36997d039c0037e7ffdbe1e88b98..81334c817b2af2edf716413938db94e059ca67e8 100644 --- a/clang/lib/Sema/SemaCoroutine.cpp +++ b/clang/lib/Sema/SemaCoroutine.cpp @@ -817,13 +817,10 @@ ExprResult Sema::BuildOperatorCoawaitLookupExpr(Scope *S, SourceLocation Loc) { assert(!Operators.isAmbiguous() && "Operator lookup cannot be ambiguous"); const auto &Functions = Operators.asUnresolvedSet(); - bool IsOverloaded = - Functions.size() > 1 || - (Functions.size() == 1 && isa(*Functions.begin())); Expr *CoawaitOp = UnresolvedLookupExpr::Create( Context, /*NamingClass*/ nullptr, NestedNameSpecifierLoc(), - DeclarationNameInfo(OpName, Loc), /*RequiresADL*/ true, IsOverloaded, - Functions.begin(), Functions.end()); + DeclarationNameInfo(OpName, Loc), /*RequiresADL*/ true, Functions.begin(), + Functions.end(), /*KnownDependent=*/false); assert(CoawaitOp); return CoawaitOp; } diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp index 1bde99d6fce740b5f18eeb40b76b1aeed5a47f77..79fb6c0417e33d99610b2e45b195fe186a7346f2 100644 --- a/clang/lib/Sema/SemaDecl.cpp +++ b/clang/lib/Sema/SemaDecl.cpp @@ -832,7 +832,7 @@ static bool isTagTypeWithMissingTag(Sema &SemaRef, LookupResult &Result, IdentifierInfo *&Name, SourceLocation NameLoc) { LookupResult R(SemaRef, Name, NameLoc, Sema::LookupTagName); - SemaRef.LookupParsedName(R, S, &SS); + SemaRef.LookupParsedName(R, S, &SS, /*ObjectType=*/QualType()); if (TagDecl *Tag = R.getAsSingle()) { StringRef FixItTagName; switch (Tag->getTagKind()) { @@ -869,7 +869,7 @@ static bool isTagTypeWithMissingTag(Sema &SemaRef, LookupResult &Result, // Replace lookup results with just the tag decl. Result.clear(Sema::LookupTagName); - SemaRef.LookupParsedName(Result, S, &SS); + SemaRef.LookupParsedName(Result, S, &SS, /*ObjectType=*/QualType()); return true; } @@ -896,7 +896,8 @@ Sema::NameClassification Sema::ClassifyName(Scope *S, CXXScopeSpec &SS, } LookupResult Result(*this, Name, NameLoc, LookupOrdinaryName); - LookupParsedName(Result, S, &SS, !CurMethod); + LookupParsedName(Result, S, &SS, /*ObjectType=*/QualType(), + /*AllowBuiltinCreation=*/!CurMethod); if (SS.isInvalid()) return NameClassification::Error(); @@ -1240,8 +1241,8 @@ Corrected: Result.suppressDiagnostics(); return NameClassification::OverloadSet(UnresolvedLookupExpr::Create( Context, Result.getNamingClass(), SS.getWithLocInContext(Context), - Result.getLookupNameInfo(), ADL, Result.isOverloadedResult(), - Result.begin(), Result.end())); + Result.getLookupNameInfo(), ADL, Result.begin(), Result.end(), + /*KnownDependent=*/false)); } ExprResult @@ -1974,7 +1975,7 @@ static bool ShouldDiagnoseUnusedDecl(const LangOptions &LangOpts, // it is, by the bindings' expressions). bool IsAllPlaceholders = true; for (const auto *BD : DD->bindings()) { - if (BD->isReferenced()) + if (BD->isReferenced() || BD->hasAttr()) return false; IsAllPlaceholders = IsAllPlaceholders && BD->isPlaceholderVar(LangOpts); } @@ -12408,12 +12409,26 @@ bool Sema::CheckFunctionDeclaration(Scope *S, FunctionDecl *NewFD, } // Check if the function definition uses any AArch64 SME features without - // having the '+sme' feature enabled. + // having the '+sme' feature enabled and warn user if sme locally streaming + // function returns or uses arguments with VL-based types. if (DeclIsDefn) { const auto *Attr = NewFD->getAttr(); bool UsesSM = NewFD->hasAttr(); bool UsesZA = Attr && Attr->isNewZA(); bool UsesZT0 = Attr && Attr->isNewZT0(); + + if (NewFD->hasAttr()) { + if (NewFD->getReturnType()->isSizelessVectorType()) + Diag(NewFD->getLocation(), + diag::warn_sme_locally_streaming_has_vl_args_returns) + << /*IsArg=*/false; + if (llvm::any_of(NewFD->parameters(), [](ParmVarDecl *P) { + return P->getOriginalType()->isSizelessVectorType(); + })) + Diag(NewFD->getLocation(), + diag::warn_sme_locally_streaming_has_vl_args_returns) + << /*IsArg=*/true; + } if (const auto *FPT = NewFD->getType()->getAs()) { FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); UsesSM |= @@ -13488,16 +13503,18 @@ void Sema::checkNonTrivialCUnion(QualType QT, SourceLocation Loc, void Sema::AddInitializerToDecl(Decl *RealDecl, Expr *Init, bool DirectInit) { // If there is no declaration, there was an error parsing it. Just ignore // the initializer. - if (!RealDecl || RealDecl->isInvalidDecl()) { + if (!RealDecl) { CorrectDelayedTyposInExpr(Init, dyn_cast_or_null(RealDecl)); return; } - if (CXXMethodDecl *Method = dyn_cast(RealDecl)) { - // Pure-specifiers are handled in ActOnPureSpecifier. - Diag(Method->getLocation(), diag::err_member_function_initialization) - << Method->getDeclName() << Init->getSourceRange(); - Method->setInvalidDecl(); + if (auto *Method = dyn_cast(RealDecl)) { + if (!Method->isInvalidDecl()) { + // Pure-specifiers are handled in ActOnPureSpecifier. + Diag(Method->getLocation(), diag::err_member_function_initialization) + << Method->getDeclName() << Init->getSourceRange(); + Method->setInvalidDecl(); + } return; } @@ -13509,6 +13526,15 @@ void Sema::AddInitializerToDecl(Decl *RealDecl, Expr *Init, bool DirectInit) { return; } + if (VDecl->isInvalidDecl()) { + CorrectDelayedTyposInExpr(Init, VDecl); + ExprResult Recovery = + CreateRecoveryExpr(Init->getBeginLoc(), Init->getEndLoc(), {Init}); + if (Expr *E = Recovery.get()) + VDecl->setInit(E); + return; + } + // WebAssembly tables can't be used to initialise a variable. if (Init && !Init->getType().isNull() && Init->getType()->isWebAssemblyTableType()) { @@ -15889,6 +15915,11 @@ Decl *Sema::ActOnStartOfFunctionDef(Scope *FnBodyScope, Decl *D, FD->setInvalidDecl(); return D; } + + // Some function attributes (like OptimizeNoneAttr) need actions before + // parsing body started. + applyFunctionAttributesBeforeParsingBody(D); + // We want to attach documentation to original Decl (which might be // a function template). ActOnDocumentableDecl(D); @@ -15900,6 +15931,20 @@ Decl *Sema::ActOnStartOfFunctionDef(Scope *FnBodyScope, Decl *D, return D; } +void Sema::applyFunctionAttributesBeforeParsingBody(Decl *FD) { + if (!FD || FD->isInvalidDecl()) + return; + if (auto *TD = dyn_cast(FD)) + FD = TD->getTemplatedDecl(); + if (FD && FD->hasAttr()) { + FPOptionsOverride FPO; + FPO.setDisallowOptimizations(); + CurFPFeatures.applyChanges(FPO); + FpPragmaStack.CurrentValue = + CurFPFeatures.getChangesFrom(FPOptions(LangOpts)); + } +} + /// Given the set of return statements within a function body, /// compute the variables that are subject to the named return value /// optimization. @@ -19529,6 +19574,13 @@ void Sema::ActOnFields(Scope *S, SourceLocation RecLoc, Decl *EnclosingDecl, // Okay, we successfully defined 'Record'. if (Record) { bool Completed = false; + if (S) { + Scope *Parent = S->getParent(); + if (Parent && Parent->isTypeAliasScope() && + Parent->isTemplateParamScope()) + Record->setInvalidDecl(); + } + if (CXXRecord) { if (!CXXRecord->isInvalidDecl()) { // Set access bits correctly on the directly-declared conversions. @@ -19676,7 +19728,7 @@ void Sema::ActOnFields(Scope *S, SourceLocation RecLoc, Decl *EnclosingDecl, E = Record->field_end(); (NonBitFields == 0 || ZeroSize) && I != E; ++I) { IsEmpty = false; - if (I->isUnnamedBitfield()) { + if (I->isUnnamedBitField()) { if (!I->isZeroLengthBitField(Context)) ZeroSize = false; } else { diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp index c3bf18a3f79e23ef36e8785a2f63bff335fb381a..363ae93cb62df18752dbbde69e1c954dce20f8ee 100644 --- a/clang/lib/Sema/SemaDeclAttr.cpp +++ b/clang/lib/Sema/SemaDeclAttr.cpp @@ -984,6 +984,21 @@ static void handleErrorAttr(Sema &S, Decl *D, const ParsedAttr &AL) { D->addAttr(EA); } +static void handleExcludeFromExplicitInstantiationAttr(Sema &S, Decl *D, + const ParsedAttr &AL) { + const auto *PD = isa(D) + ? cast(D) + : D->getDeclContext()->getRedeclContext(); + if (const auto *RD = dyn_cast(PD); RD && RD->isLocalClass()) { + S.Diag(AL.getLoc(), + diag::warn_attribute_exclude_from_explicit_instantiation_local_class) + << AL << /*IsMember=*/!isa(D); + return; + } + D->addAttr(::new (S.Context) + ExcludeFromExplicitInstantiationAttr(S.Context, AL)); +} + namespace { /// Determines if a given Expr references any of the given function's /// ParmVarDecls, or the function's implicit `this` parameter (if applicable). @@ -9339,6 +9354,9 @@ ProcessDeclAttribute(Sema &S, Scope *scope, Decl *D, const ParsedAttr &AL, case ParsedAttr::AT_Error: handleErrorAttr(S, D, AL); break; + case ParsedAttr::AT_ExcludeFromExplicitInstantiation: + handleExcludeFromExplicitInstantiationAttr(S, D, AL); + break; case ParsedAttr::AT_DiagnoseIf: handleDiagnoseIfAttr(S, D, AL); break; diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp index 591016243b0ac1d7187237811292020674f2323f..157d42c09cfcd82ee572e0e8e6e594f6fa0721b7 100644 --- a/clang/lib/Sema/SemaDeclCXX.cpp +++ b/clang/lib/Sema/SemaDeclCXX.cpp @@ -910,6 +910,8 @@ Sema::ActOnDecompositionDeclarator(Scope *S, Declarator &D, auto *BD = BindingDecl::Create(Context, DC, B.NameLoc, VarName); + ProcessDeclAttributeList(S, BD, *B.Attrs); + // Find the shadowed declaration before filtering for scope. NamedDecl *ShadowedDecl = D.getCXXScopeSpec().isEmpty() ? getShadowedDeclaration(BD, Previous) @@ -1302,7 +1304,7 @@ static bool checkTupleLikeDecomposition(Sema &S, // in the associated namespaces. Expr *Get = UnresolvedLookupExpr::Create( S.Context, nullptr, NestedNameSpecifierLoc(), SourceLocation(), - DeclarationNameInfo(GetDN, Loc), /*RequiresADL*/ true, &Args, + DeclarationNameInfo(GetDN, Loc), /*RequiresADL=*/true, &Args, UnresolvedSetIterator(), UnresolvedSetIterator(), /*KnownDependent=*/false); @@ -1453,7 +1455,7 @@ static bool checkMemberDecomposition(Sema &S, ArrayRef Bindings, auto DiagnoseBadNumberOfBindings = [&]() -> bool { unsigned NumFields = llvm::count_if( - RD->fields(), [](FieldDecl *FD) { return !FD->isUnnamedBitfield(); }); + RD->fields(), [](FieldDecl *FD) { return !FD->isUnnamedBitField(); }); assert(Bindings.size() != NumFields); S.Diag(Src->getLocation(), diag::err_decomp_decl_wrong_number_bindings) << DecompType << (unsigned)Bindings.size() << NumFields << NumFields @@ -1466,7 +1468,7 @@ static bool checkMemberDecomposition(Sema &S, ArrayRef Bindings, // E shall not have an anonymous union member, ... unsigned I = 0; for (auto *FD : RD->fields()) { - if (FD->isUnnamedBitfield()) + if (FD->isUnnamedBitField()) continue; // All the non-static data members are required to be nameable, so they @@ -2067,7 +2069,7 @@ static bool CheckConstexprCtorInitializer(Sema &SemaRef, if (Field->isInvalidDecl()) return true; - if (Field->isUnnamedBitfield()) + if (Field->isUnnamedBitField()) return true; // Anonymous unions with no variant members and empty anonymous structs do not @@ -4517,7 +4519,7 @@ Sema::BuildMemInitializer(Decl *ConstructorD, DS.getBeginLoc(), DS.getEllipsisLoc()); } else { LookupResult R(*this, MemberOrBase, IdLoc, LookupOrdinaryName); - LookupParsedName(R, S, &SS); + LookupParsedName(R, S, &SS, /*ObjectType=*/QualType()); TypeDecl *TyD = R.getAsSingle(); if (!TyD) { @@ -5509,7 +5511,7 @@ bool Sema::SetCtorInitializers(CXXConstructorDecl *Constructor, bool AnyErrors, // A declaration for a bit-field that omits the identifier declares an // unnamed bit-field. Unnamed bit-fields are not members and cannot be // initialized. - if (F->isUnnamedBitfield()) + if (F->isUnnamedBitField()) continue; // If we're not generating the implicit copy/move constructor, then we'll @@ -5638,7 +5640,7 @@ static void DiagnoseBaseOrMemInitializerOrder( // 3. Direct fields. for (auto *Field : ClassDecl->fields()) { - if (Field->isUnnamedBitfield()) + if (Field->isUnnamedBitField()) continue; PopulateKeysForFields(Field, IdealInitKeys); @@ -7030,7 +7032,7 @@ void Sema::CheckCompletedCXXClass(Scope *S, CXXRecordDecl *Record) { !Record->isLambda()) { bool Complained = false; for (const auto *F : Record->fields()) { - if (F->hasInClassInitializer() || F->isUnnamedBitfield()) + if (F->hasInClassInitializer() || F->isUnnamedBitField()) continue; if (F->getType()->isReferenceType() || @@ -8037,7 +8039,7 @@ protected: for (FieldDecl *Field : Record->fields()) { // C++23 [class.bit]p2: // Unnamed bit-fields are not members ... - if (Field->isUnnamedBitfield()) + if (Field->isUnnamedBitField()) continue; // Recursively expand anonymous structs. if (Field->isAnonymousStructOrUnion()) { @@ -9396,7 +9398,7 @@ struct SpecialMemberVisitor { return true; for (auto *F : RD->fields()) - if (!F->isInvalidDecl() && !F->isUnnamedBitfield() && + if (!F->isInvalidDecl() && !F->isUnnamedBitField() && getDerived().visitField(F)) return true; @@ -9741,7 +9743,7 @@ bool SpecialMemberDeletionInfo::shouldDeleteForAllConstMembers() { AllFieldsAreConst) { bool AnyFields = false; for (auto *F : MD->getParent()->fields()) - if ((AnyFields = !F->isUnnamedBitfield())) + if ((AnyFields = !F->isUnnamedBitField())) break; if (!AnyFields) return false; @@ -10134,7 +10136,7 @@ static bool checkTrivialClassMembers(Sema &S, CXXRecordDecl *RD, Sema::TrivialABIHandling TAH, bool Diagnose) { for (const auto *FI : RD->fields()) { - if (FI->isInvalidDecl() || FI->isUnnamedBitfield()) + if (FI->isInvalidDecl() || FI->isUnnamedBitField()) continue; QualType FieldType = S.Context.getBaseElementType(FI->getType()); @@ -12052,11 +12054,17 @@ bool Sema::isStdInitializerList(QualType Ty, QualType *Element) { Template = Specialization->getSpecializedTemplate(); Arguments = Specialization->getTemplateArgs().data(); - } else if (const TemplateSpecializationType *TST = - Ty->getAs()) { - Template = dyn_cast_or_null( - TST->getTemplateName().getAsTemplateDecl()); - Arguments = TST->template_arguments().begin(); + } else { + const TemplateSpecializationType *TST = nullptr; + if (auto *ICN = Ty->getAs()) + TST = ICN->getInjectedTST(); + else + TST = Ty->getAs(); + if (TST) { + Template = dyn_cast_or_null( + TST->getTemplateName().getAsTemplateDecl()); + Arguments = TST->template_arguments().begin(); + } } if (!Template) return false; @@ -12262,7 +12270,7 @@ Decl *Sema::ActOnUsingDirective(Scope *S, SourceLocation UsingLoc, // Lookup namespace name. LookupResult R(*this, NamespcName, IdentLoc, LookupNamespaceName); - LookupParsedName(R, S, &SS); + LookupParsedName(R, S, &SS, /*ObjectType=*/QualType()); if (R.isAmbiguous()) return nullptr; @@ -13721,7 +13729,7 @@ Decl *Sema::ActOnNamespaceAliasDef(Scope *S, SourceLocation NamespaceLoc, // Lookup the namespace name. LookupResult R(*this, Ident, IdentLoc, LookupNamespaceName); - LookupParsedName(R, S, &SS); + LookupParsedName(R, S, &SS, /*ObjectType=*/QualType()); if (R.isAmbiguous()) return nullptr; @@ -15201,7 +15209,7 @@ void Sema::DefineImplicitCopyAssignment(SourceLocation CurrentLocation, for (auto *Field : ClassDecl->fields()) { // FIXME: We should form some kind of AST representation for the implied // memcpy in a union copy operation. - if (Field->isUnnamedBitfield() || Field->getParent()->isUnion()) + if (Field->isUnnamedBitField() || Field->getParent()->isUnion()) continue; if (Field->isInvalidDecl()) { @@ -15586,7 +15594,7 @@ void Sema::DefineImplicitMoveAssignment(SourceLocation CurrentLocation, for (auto *Field : ClassDecl->fields()) { // FIXME: We should form some kind of AST representation for the implied // memcpy in a union copy operation. - if (Field->isUnnamedBitfield() || Field->getParent()->isUnion()) + if (Field->isUnnamedBitField() || Field->getParent()->isUnion()) continue; if (Field->isInvalidDecl()) { @@ -19164,40 +19172,40 @@ void Sema::checkExceptionSpecification( } } -void Sema::actOnDelayedExceptionSpecification(Decl *MethodD, - ExceptionSpecificationType EST, - SourceRange SpecificationRange, - ArrayRef DynamicExceptions, - ArrayRef DynamicExceptionRanges, - Expr *NoexceptExpr) { - if (!MethodD) +void Sema::actOnDelayedExceptionSpecification( + Decl *D, ExceptionSpecificationType EST, SourceRange SpecificationRange, + ArrayRef DynamicExceptions, + ArrayRef DynamicExceptionRanges, Expr *NoexceptExpr) { + if (!D) return; - // Dig out the method we're referring to. - if (FunctionTemplateDecl *FunTmpl = dyn_cast(MethodD)) - MethodD = FunTmpl->getTemplatedDecl(); + // Dig out the function we're referring to. + if (FunctionTemplateDecl *FTD = dyn_cast(D)) + D = FTD->getTemplatedDecl(); - CXXMethodDecl *Method = dyn_cast(MethodD); - if (!Method) + FunctionDecl *FD = dyn_cast(D); + if (!FD) return; // Check the exception specification. llvm::SmallVector Exceptions; FunctionProtoType::ExceptionSpecInfo ESI; - checkExceptionSpecification(/*IsTopLevel*/true, EST, DynamicExceptions, + checkExceptionSpecification(/*IsTopLevel=*/true, EST, DynamicExceptions, DynamicExceptionRanges, NoexceptExpr, Exceptions, ESI); // Update the exception specification on the function type. - Context.adjustExceptionSpec(Method, ESI, /*AsWritten*/true); + Context.adjustExceptionSpec(FD, ESI, /*AsWritten=*/true); - if (Method->isStatic()) - checkThisInStaticMemberFunctionExceptionSpec(Method); + if (CXXMethodDecl *MD = dyn_cast(D)) { + if (MD->isStatic()) + checkThisInStaticMemberFunctionExceptionSpec(MD); - if (Method->isVirtual()) { - // Check overrides, which we previously had to delay. - for (const CXXMethodDecl *O : Method->overridden_methods()) - CheckOverridingFunctionExceptionSpec(Method, O); + if (MD->isVirtual()) { + // Check overrides, which we previously had to delay. + for (const CXXMethodDecl *O : MD->overridden_methods()) + CheckOverridingFunctionExceptionSpec(MD, O); + } } } diff --git a/clang/lib/Sema/SemaDeclObjC.cpp b/clang/lib/Sema/SemaDeclObjC.cpp index 74d6f0700b0e4f52e79864564426133328a0e723..934ba174a426e4362ddebe6e8e9d66a528d7eda7 100644 --- a/clang/lib/Sema/SemaDeclObjC.cpp +++ b/clang/lib/Sema/SemaDeclObjC.cpp @@ -494,6 +494,10 @@ void Sema::ActOnStartOfObjCMethodDef(Scope *FnBodyScope, Decl *D) { } } } + + // Some function attributes (like OptimizeNoneAttr) need actions before + // parsing body started. + applyFunctionAttributesBeforeParsingBody(D); } namespace { diff --git a/clang/lib/Sema/SemaExceptionSpec.cpp b/clang/lib/Sema/SemaExceptionSpec.cpp index 00384f9dc16aa04bf43ff94243bda82f8aefb4fd..41bf273d12f2f32441253cb75eddb92419281deb 100644 --- a/clang/lib/Sema/SemaExceptionSpec.cpp +++ b/clang/lib/Sema/SemaExceptionSpec.cpp @@ -258,13 +258,14 @@ Sema::UpdateExceptionSpec(FunctionDecl *FD, } static bool exceptionSpecNotKnownYet(const FunctionDecl *FD) { - auto *MD = dyn_cast(FD); - if (!MD) + ExceptionSpecificationType EST = + FD->getType()->castAs()->getExceptionSpecType(); + if (EST == EST_Unparsed) + return true; + else if (EST != EST_Unevaluated) return false; - - auto EST = MD->getType()->castAs()->getExceptionSpecType(); - return EST == EST_Unparsed || - (EST == EST_Unevaluated && MD->getParent()->isBeingDefined()); + const DeclContext *DC = FD->getLexicalDeclContext(); + return DC->isRecord() && cast(DC)->isBeingDefined(); } static bool CheckEquivalentExceptionSpecImpl( @@ -1314,7 +1315,7 @@ CanThrowResult Sema::canThrow(const Stmt *S) { // Some might be dependent for other reasons. case Expr::ArraySubscriptExprClass: case Expr::MatrixSubscriptExprClass: - case Expr::OMPArraySectionExprClass: + case Expr::ArraySectionExprClass: case Expr::OMPArrayShapingExprClass: case Expr::OMPIteratorExprClass: case Expr::BinaryOperatorClass: diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp index d2c77ad61644f05cc85903ecf2a7368780a2283d..0c37f43f75401bd59d7e9e96da4e1da01871dee3 100644 --- a/clang/lib/Sema/SemaExpr.cpp +++ b/clang/lib/Sema/SemaExpr.cpp @@ -673,8 +673,9 @@ ExprResult Sema::DefaultLvalueConversion(Expr *E) { // expressions of certain types in C++. if (getLangOpts().CPlusPlus && (E->getType() == Context.OverloadTy || - T->isDependentType() || - T->isRecordType())) + // FIXME: This is a hack! We want the lvalue-to-rvalue conversion applied + // to pointer types even if the pointee type is dependent. + (T->isDependentType() && !T->isPointerType()) || T->isRecordType())) return E; // The C standard is actually really unclear on this point, and @@ -2751,8 +2752,8 @@ Sema::ActOnIdExpression(Scope *S, CXXScopeSpec &SS, if (isBoundsAttrContext() && !getLangOpts().CPlusPlus && S->isClassScope()) { // See if this is reference to a field of struct. LookupResult R(*this, NameInfo, LookupMemberName); - // LookupParsedName handles a name lookup from within anonymous struct. - if (LookupParsedName(R, S, &SS)) { + // LookupName handles a name lookup from within anonymous struct. + if (LookupName(R, S)) { if (auto *VD = dyn_cast(R.getFoundDecl())) { QualType type = VD->getType().getNonReferenceType(); // This will eventually be translated into MemberExpr upon @@ -2773,20 +2774,19 @@ Sema::ActOnIdExpression(Scope *S, CXXScopeSpec &SS, // lookup to determine that it was a template name in the first place. If // this becomes a performance hit, we can work harder to preserve those // results until we get here but it's likely not worth it. - bool MemberOfUnknownSpecialization; AssumedTemplateKind AssumedTemplate; - if (LookupTemplateName(R, S, SS, QualType(), /*EnteringContext=*/false, - MemberOfUnknownSpecialization, TemplateKWLoc, + if (LookupTemplateName(R, S, SS, /*ObjectType=*/QualType(), + /*EnteringContext=*/false, TemplateKWLoc, &AssumedTemplate)) return ExprError(); - if (MemberOfUnknownSpecialization || - (R.getResultKind() == LookupResult::NotFoundInCurrentInstantiation)) + if (R.wasNotFoundInCurrentInstantiation()) return ActOnDependentIdExpression(SS, TemplateKWLoc, NameInfo, IsAddressOfOperand, TemplateArgs); } else { bool IvarLookupFollowUp = II && !SS.isSet() && getCurMethodDecl(); - LookupParsedName(R, S, &SS, !IvarLookupFollowUp); + LookupParsedName(R, S, &SS, /*ObjectType=*/QualType(), + /*AllowBuiltinCreation=*/!IvarLookupFollowUp); // If the result might be in a dependent base class, this is a dependent // id-expression. @@ -2918,26 +2918,9 @@ Sema::ActOnIdExpression(Scope *S, CXXScopeSpec &SS, // to get this right here so that we don't end up making a // spuriously dependent expression if we're inside a dependent // instance method. - if (getLangOpts().CPlusPlus && !R.empty() && - (*R.begin())->isCXXClassMember()) { - bool MightBeImplicitMember; - if (!IsAddressOfOperand) - MightBeImplicitMember = true; - else if (!SS.isEmpty()) - MightBeImplicitMember = false; - else if (R.isOverloadedResult()) - MightBeImplicitMember = false; - else if (R.isUnresolvableResult()) - MightBeImplicitMember = true; - else - MightBeImplicitMember = isa(R.getFoundDecl()) || - isa(R.getFoundDecl()) || - isa(R.getFoundDecl()); - - if (MightBeImplicitMember) - return BuildPossibleImplicitMemberExpr(SS, TemplateKWLoc, - R, TemplateArgs, S); - } + if (isPotentialImplicitMemberAccess(SS, R, IsAddressOfOperand)) + return BuildPossibleImplicitMemberExpr(SS, TemplateKWLoc, R, TemplateArgs, + S); if (TemplateArgs || TemplateKWLoc.isValid()) { @@ -3471,12 +3454,10 @@ ExprResult Sema::BuildDeclarationNameExpr(const CXXScopeSpec &SS, // we've picked a target. R.suppressDiagnostics(); - UnresolvedLookupExpr *ULE - = UnresolvedLookupExpr::Create(Context, R.getNamingClass(), - SS.getWithLocInContext(Context), - R.getLookupNameInfo(), - NeedsADL, R.isOverloadedResult(), - R.begin(), R.end()); + UnresolvedLookupExpr *ULE = UnresolvedLookupExpr::Create( + Context, R.getNamingClass(), SS.getWithLocInContext(Context), + R.getLookupNameInfo(), NeedsADL, R.begin(), R.end(), + /*KnownDependent=*/false); return ULE; } @@ -3902,7 +3883,7 @@ static Expr *BuildFloatingLiteral(Sema &S, NumericLiteralParser &Literal, return FloatingLiteral::Create(S.Context, Val, isExact, Ty, Loc); } -bool Sema::CheckLoopHintExpr(Expr *E, SourceLocation Loc) { +bool Sema::CheckLoopHintExpr(Expr *E, SourceLocation Loc, bool AllowZero) { assert(E && "Invalid expression"); if (E->isValueDependent()) @@ -3920,7 +3901,13 @@ bool Sema::CheckLoopHintExpr(Expr *E, SourceLocation Loc) { if (R.isInvalid()) return true; - bool ValueIsPositive = ValueAPS.isStrictlyPositive(); + // GCC allows the value of unroll count to be 0. + // https://gcc.gnu.org/onlinedocs/gcc/Loop-Specific-Pragmas.html says + // "The values of 0 and 1 block any unrolling of the loop." + // The values doesn't have to be strictly positive in '#pragma GCC unroll' and + // '#pragma unroll' cases. + bool ValueIsPositive = + AllowZero ? ValueAPS.isNonNegative() : ValueAPS.isStrictlyPositive(); if (!ValueIsPositive || ValueAPS.getActiveBits() > 31) { Diag(E->getExprLoc(), diag::err_pragma_loop_invalid_argument_value) << toString(ValueAPS, 10) << ValueIsPositive; @@ -4150,11 +4137,13 @@ ExprResult Sema::ActOnNumericConstant(const Token &Tok, Scope *UDLScope) { // 'wb/uwb' literals are a C23 feature. We support _BitInt as a type in C++, // but we do not currently support the suffix in C++ mode because it's not // entirely clear whether WG21 will prefer this suffix to return a library - // type such as std::bit_int instead of returning a _BitInt. - if (Literal.isBitInt && !getLangOpts().CPlusPlus) - PP.Diag(Tok.getLocation(), getLangOpts().C23 - ? diag::warn_c23_compat_bitint_suffix - : diag::ext_c23_bitint_suffix); + // type such as std::bit_int instead of returning a _BitInt. '__wb/__uwb' + // literals are a C++ extension. + if (Literal.isBitInt) + PP.Diag(Tok.getLocation(), + getLangOpts().CPlusPlus ? diag::ext_cxx_bitint_suffix + : getLangOpts().C23 ? diag::warn_c23_compat_bitint_suffix + : diag::ext_c23_bitint_suffix); // Get the value in the widest-possible width. What is "widest" depends on // whether the literal is a bit-precise integer or not. For a bit-precise @@ -5080,11 +5069,18 @@ ExprResult Sema::ActOnArraySubscriptExpr(Scope *S, Expr *base, SourceLocation rbLoc) { if (base && !base->getType().isNull() && - base->hasPlaceholderType(BuiltinType::OMPArraySection)) - return OpenMP().ActOnOMPArraySectionExpr(base, lbLoc, ArgExprs.front(), - SourceLocation(), SourceLocation(), - /*Length*/ nullptr, - /*Stride=*/nullptr, rbLoc); + base->hasPlaceholderType(BuiltinType::ArraySection)) { + auto *AS = cast(base); + if (AS->isOMPArraySection()) + return OpenMP().ActOnOMPArraySectionExpr( + base, lbLoc, ArgExprs.front(), SourceLocation(), SourceLocation(), + /*Length*/ nullptr, + /*Stride=*/nullptr, rbLoc); + + return OpenACC().ActOnArraySectionExpr(base, lbLoc, ArgExprs.front(), + SourceLocation(), /*Length*/ nullptr, + rbLoc); + } // Since this might be a postfix expression, get rid of ParenListExprs. if (isa(base)) { @@ -6372,7 +6368,7 @@ static bool isPlaceholderToRemoveAsArg(QualType type) { case BuiltinType::BoundMember: case BuiltinType::BuiltinFn: case BuiltinType::IncompleteMatrixIdx: - case BuiltinType::OMPArraySection: + case BuiltinType::ArraySection: case BuiltinType::OMPArrayShaping: case BuiltinType::OMPIterator: return true; @@ -17522,6 +17518,12 @@ Sema::VerifyIntegerConstantExpression(Expr *E, llvm::APSInt *Result, if (Converted.isInvalid()) return Converted; E = Converted.get(); + // The 'explicit' case causes us to get a RecoveryExpr. Give up here so we + // don't try to evaluate it later. We also don't want to return the + // RecoveryExpr here, as it results in this call succeeding, thus callers of + // this function will attempt to use 'Value'. + if (isa(E)) + return ExprError(); if (!E->getType()->isIntegralOrUnscopedEnumerationType()) return ExprError(); } else if (!E->getType()->isIntegralOrUnscopedEnumerationType()) { @@ -21348,8 +21350,9 @@ ExprResult Sema::CheckPlaceholderExpr(Expr *E) { return ExprError(); // Expressions of unknown type. - case BuiltinType::OMPArraySection: - Diag(E->getBeginLoc(), diag::err_omp_array_section_use); + case BuiltinType::ArraySection: + Diag(E->getBeginLoc(), diag::err_array_section_use) + << cast(E)->isOMPArraySection(); return ExprError(); // Expressions of unknown type. diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp index 7582cbd75fec052abc66f28b322a869f37aa5b23..c1cb03e4ec7ae2088a983141c47202d4732a5089 100644 --- a/clang/lib/Sema/SemaExprCXX.cpp +++ b/clang/lib/Sema/SemaExprCXX.cpp @@ -1416,26 +1416,42 @@ bool Sema::CheckCXXThisCapture(SourceLocation Loc, const bool Explicit, } ExprResult Sema::ActOnCXXThis(SourceLocation Loc) { - /// C++ 9.3.2: In the body of a non-static member function, the keyword this - /// is a non-lvalue expression whose value is the address of the object for - /// which the function is called. + // C++20 [expr.prim.this]p1: + // The keyword this names a pointer to the object for which an + // implicit object member function is invoked or a non-static + // data member's initializer is evaluated. QualType ThisTy = getCurrentThisType(); - if (ThisTy.isNull()) { - DeclContext *DC = getFunctionLevelDeclContext(); + if (CheckCXXThisType(Loc, ThisTy)) + return ExprError(); - if (const auto *Method = dyn_cast(DC); - Method && Method->isExplicitObjectMemberFunction()) { - return Diag(Loc, diag::err_invalid_this_use) << 1; - } + return BuildCXXThisExpr(Loc, ThisTy, /*IsImplicit=*/false); +} - if (isLambdaCallWithExplicitObjectParameter(CurContext)) - return Diag(Loc, diag::err_invalid_this_use) << 1; +bool Sema::CheckCXXThisType(SourceLocation Loc, QualType Type) { + if (!Type.isNull()) + return false; - return Diag(Loc, diag::err_invalid_this_use) << 0; + // C++20 [expr.prim.this]p3: + // If a declaration declares a member function or member function template + // of a class X, the expression this is a prvalue of type + // "pointer to cv-qualifier-seq X" wherever X is the current class between + // the optional cv-qualifier-seq and the end of the function-definition, + // member-declarator, or declarator. It shall not appear within the + // declaration of either a static member function or an explicit object + // member function of the current class (although its type and value + // category are defined within such member functions as they are within + // an implicit object member function). + DeclContext *DC = getFunctionLevelDeclContext(); + if (const auto *Method = dyn_cast(DC); + Method && Method->isExplicitObjectMemberFunction()) { + Diag(Loc, diag::err_invalid_this_use) << 1; + } else if (isLambdaCallWithExplicitObjectParameter(CurContext)) { + Diag(Loc, diag::err_invalid_this_use) << 1; + } else { + Diag(Loc, diag::err_invalid_this_use) << 0; } - - return BuildCXXThisExpr(Loc, ThisTy, /*IsImplicit=*/false); + return true; } Expr *Sema::BuildCXXThisExpr(SourceLocation Loc, QualType Type, @@ -8644,21 +8660,8 @@ static ExprResult attemptRecovery(Sema &SemaRef, // Detect and handle the case where the decl might be an implicit // member. - bool MightBeImplicitMember; - if (!Consumer.isAddressOfOperand()) - MightBeImplicitMember = true; - else if (!NewSS.isEmpty()) - MightBeImplicitMember = false; - else if (R.isOverloadedResult()) - MightBeImplicitMember = false; - else if (R.isUnresolvableResult()) - MightBeImplicitMember = true; - else - MightBeImplicitMember = isa(ND) || - isa(ND) || - isa(ND); - - if (MightBeImplicitMember) + if (SemaRef.isPotentialImplicitMemberAccess( + NewSS, R, Consumer.isAddressOfOperand())) return SemaRef.BuildPossibleImplicitMemberExpr( NewSS, /*TemplateKWLoc*/ SourceLocation(), R, /*TemplateArgs*/ nullptr, /*S*/ nullptr); @@ -9154,7 +9157,7 @@ Sema::CheckMicrosoftIfExistsSymbol(Scope *S, // Do the redeclaration lookup in the current scope. LookupResult R(*this, TargetNameInfo, Sema::LookupAnyName, RedeclarationKind::NotForRedeclaration); - LookupParsedName(R, S, &SS); + LookupParsedName(R, S, &SS, /*ObjectType=*/QualType()); R.suppressDiagnostics(); switch (R.getResultKind()) { diff --git a/clang/lib/Sema/SemaExprMember.cpp b/clang/lib/Sema/SemaExprMember.cpp index c79128bc8f39e7e97b5273511d6b05f67224aaa2..5facb14a18b7c2ae8031b68c769363d9f69a76cd 100644 --- a/clang/lib/Sema/SemaExprMember.cpp +++ b/clang/lib/Sema/SemaExprMember.cpp @@ -62,6 +62,10 @@ enum IMAKind { /// The reference is a contextually-permitted abstract member reference. IMA_Abstract, + /// Whether the context is static is dependent on the enclosing template (i.e. + /// in a dependent class scope explicit specialization). + IMA_Dependent, + /// The reference may be to an unresolved using declaration and the /// context is not an instance method. IMA_Unresolved_StaticOrExplicitContext, @@ -92,14 +96,25 @@ static IMAKind ClassifyImplicitMemberAccess(Sema &SemaRef, DeclContext *DC = SemaRef.getFunctionLevelDeclContext(); - bool isStaticOrExplicitContext = - SemaRef.CXXThisTypeOverride.isNull() && - (!isa(DC) || cast(DC)->isStatic() || - cast(DC)->isExplicitObjectMemberFunction()); + bool couldInstantiateToStatic = false; + bool isStaticOrExplicitContext = SemaRef.CXXThisTypeOverride.isNull(); - if (R.isUnresolvableResult()) + if (auto *MD = dyn_cast(DC)) { + if (MD->isImplicitObjectMemberFunction()) { + isStaticOrExplicitContext = false; + // A dependent class scope function template explicit specialization + // that is neither declared 'static' nor with an explicit object + // parameter could instantiate to a static or non-static member function. + couldInstantiateToStatic = MD->getDependentSpecializationInfo(); + } + } + + if (R.isUnresolvableResult()) { + if (couldInstantiateToStatic) + return IMA_Dependent; return isStaticOrExplicitContext ? IMA_Unresolved_StaticOrExplicitContext : IMA_Unresolved; + } // Collect all the declaring classes of instance members we find. bool hasNonInstance = false; @@ -124,6 +139,9 @@ static IMAKind ClassifyImplicitMemberAccess(Sema &SemaRef, if (Classes.empty()) return IMA_Static; + if (couldInstantiateToStatic) + return IMA_Dependent; + // C++11 [expr.prim.general]p12: // An id-expression that denotes a non-static data member or non-static // member function of a class can only be used: @@ -264,21 +282,37 @@ static void diagnoseInstanceReference(Sema &SemaRef, } } +bool Sema::isPotentialImplicitMemberAccess(const CXXScopeSpec &SS, + LookupResult &R, + bool IsAddressOfOperand) { + if (!getLangOpts().CPlusPlus) + return false; + else if (R.empty() || !R.begin()->isCXXClassMember()) + return false; + else if (!IsAddressOfOperand) + return true; + else if (!SS.isEmpty()) + return false; + else if (R.isOverloadedResult()) + return false; + else if (R.isUnresolvableResult()) + return true; + else + return isa(R.getFoundDecl()); +} + /// Builds an expression which might be an implicit member expression. ExprResult Sema::BuildPossibleImplicitMemberExpr( const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, LookupResult &R, - const TemplateArgumentListInfo *TemplateArgs, const Scope *S, - UnresolvedLookupExpr *AsULE) { - switch (ClassifyImplicitMemberAccess(*this, R)) { + const TemplateArgumentListInfo *TemplateArgs, const Scope *S) { + switch (IMAKind Classification = ClassifyImplicitMemberAccess(*this, R)) { case IMA_Instance: - return BuildImplicitMemberExpr(SS, TemplateKWLoc, R, TemplateArgs, true, S); - case IMA_Mixed: case IMA_Mixed_Unrelated: case IMA_Unresolved: - return BuildImplicitMemberExpr(SS, TemplateKWLoc, R, TemplateArgs, false, - S); - + return BuildImplicitMemberExpr( + SS, TemplateKWLoc, R, TemplateArgs, + /*IsKnownInstance=*/Classification == IMA_Instance, S); case IMA_Field_Uneval_Context: Diag(R.getNameLoc(), diag::warn_cxx98_compat_non_static_member_use) << R.getLookupNameInfo().getName(); @@ -288,8 +322,16 @@ ExprResult Sema::BuildPossibleImplicitMemberExpr( case IMA_Mixed_StaticOrExplicitContext: case IMA_Unresolved_StaticOrExplicitContext: if (TemplateArgs || TemplateKWLoc.isValid()) - return BuildTemplateIdExpr(SS, TemplateKWLoc, R, false, TemplateArgs); - return AsULE ? AsULE : BuildDeclarationNameExpr(SS, R, false); + return BuildTemplateIdExpr(SS, TemplateKWLoc, R, /*RequiresADL=*/false, + TemplateArgs); + return BuildDeclarationNameExpr(SS, R, /*NeedsADL=*/false, + /*AcceptInvalidDecl=*/false); + case IMA_Dependent: + R.suppressDiagnostics(); + return UnresolvedLookupExpr::Create( + Context, R.getNamingClass(), SS.getWithLocInContext(Context), + TemplateKWLoc, R.getLookupNameInfo(), /*RequiresADL=*/false, + TemplateArgs, R.begin(), R.end(), /*KnownDependent=*/true); case IMA_Error_StaticOrExplicitContext: case IMA_Error_Unrelated: @@ -625,8 +667,8 @@ namespace { // classes, one of its base classes. class RecordMemberExprValidatorCCC final : public CorrectionCandidateCallback { public: - explicit RecordMemberExprValidatorCCC(const RecordType *RTy) - : Record(RTy->getDecl()) { + explicit RecordMemberExprValidatorCCC(QualType RTy) + : Record(RTy->getAsRecordDecl()) { // Don't add bare keywords to the consumer since they will always fail // validation by virtue of not being associated with any decls. WantTypeSpecifiers = false; @@ -671,58 +713,36 @@ private: } static bool LookupMemberExprInRecord(Sema &SemaRef, LookupResult &R, - Expr *BaseExpr, - const RecordType *RTy, + Expr *BaseExpr, QualType RTy, SourceLocation OpLoc, bool IsArrow, CXXScopeSpec &SS, bool HasTemplateArgs, SourceLocation TemplateKWLoc, TypoExpr *&TE) { SourceRange BaseRange = BaseExpr ? BaseExpr->getSourceRange() : SourceRange(); - RecordDecl *RDecl = RTy->getDecl(); - if (!SemaRef.isThisOutsideMemberFunctionBody(QualType(RTy, 0)) && - SemaRef.RequireCompleteType(OpLoc, QualType(RTy, 0), - diag::err_typecheck_incomplete_tag, - BaseRange)) + if (!RTy->isDependentType() && + !SemaRef.isThisOutsideMemberFunctionBody(RTy) && + SemaRef.RequireCompleteType( + OpLoc, RTy, diag::err_typecheck_incomplete_tag, BaseRange)) return true; - if (HasTemplateArgs || TemplateKWLoc.isValid()) { - // LookupTemplateName doesn't expect these both to exist simultaneously. - QualType ObjectType = SS.isSet() ? QualType() : QualType(RTy, 0); + // LookupTemplateName/LookupParsedName don't expect these both to exist + // simultaneously. + QualType ObjectType = SS.isSet() ? QualType() : RTy; + if (HasTemplateArgs || TemplateKWLoc.isValid()) + return SemaRef.LookupTemplateName(R, + /*S=*/nullptr, SS, ObjectType, + /*EnteringContext=*/false, TemplateKWLoc); - bool MOUS; - return SemaRef.LookupTemplateName(R, nullptr, SS, ObjectType, false, MOUS, - TemplateKWLoc); - } - - DeclContext *DC = RDecl; - if (SS.isSet()) { - // If the member name was a qualified-id, look into the - // nested-name-specifier. - DC = SemaRef.computeDeclContext(SS, false); - - if (SemaRef.RequireCompleteDeclContext(SS, DC)) { - SemaRef.Diag(SS.getRange().getEnd(), diag::err_typecheck_incomplete_tag) - << SS.getRange() << DC; - return true; - } - - assert(DC && "Cannot handle non-computable dependent contexts in lookup"); - - if (!isa(DC)) { - SemaRef.Diag(R.getNameLoc(), diag::err_qualified_member_nonclass) - << DC << SS.getRange(); - return true; - } - } - - // The record definition is complete, now look up the member. - SemaRef.LookupQualifiedName(R, DC, SS); + SemaRef.LookupParsedName(R, /*S=*/nullptr, &SS, ObjectType); - if (!R.empty()) + if (!R.empty() || R.wasNotFoundInCurrentInstantiation()) return false; DeclarationName Typo = R.getLookupName(); SourceLocation TypoLoc = R.getNameLoc(); + // Recompute the lookup context. + DeclContext *DC = SS.isSet() ? SemaRef.computeDeclContext(SS) + : SemaRef.computeDeclContext(RTy); struct QueryState { Sema &SemaRef; @@ -746,7 +766,8 @@ static bool LookupMemberExprInRecord(Sema &SemaRef, LookupResult &R, << Typo << DC << DroppedSpecifier << SS.getRange()); } else { - SemaRef.Diag(TypoLoc, diag::err_no_member) << Typo << DC << BaseRange; + SemaRef.Diag(TypoLoc, diag::err_no_member) + << Typo << DC << (SS.isSet() ? SS.getRange() : BaseRange); } }, [=](Sema &SemaRef, TypoExpr *TE, TypoCorrection TC) mutable { @@ -772,34 +793,25 @@ static ExprResult LookupMemberExpr(Sema &S, LookupResult &R, Decl *ObjCImpDecl, bool HasTemplateArgs, SourceLocation TemplateKWLoc); -ExprResult -Sema::BuildMemberReferenceExpr(Expr *Base, QualType BaseType, - SourceLocation OpLoc, bool IsArrow, - CXXScopeSpec &SS, - SourceLocation TemplateKWLoc, - NamedDecl *FirstQualifierInScope, - const DeclarationNameInfo &NameInfo, - const TemplateArgumentListInfo *TemplateArgs, - const Scope *S, - ActOnMemberAccessExtraArgs *ExtraArgs) { - if (BaseType->isDependentType() || - (SS.isSet() && isDependentScopeSpecifier(SS)) || - NameInfo.getName().isDependentName()) - return ActOnDependentMemberExpr(Base, BaseType, - IsArrow, OpLoc, - SS, TemplateKWLoc, FirstQualifierInScope, - NameInfo, TemplateArgs); - +ExprResult Sema::BuildMemberReferenceExpr( + Expr *Base, QualType BaseType, SourceLocation OpLoc, bool IsArrow, + CXXScopeSpec &SS, SourceLocation TemplateKWLoc, + NamedDecl *FirstQualifierInScope, const DeclarationNameInfo &NameInfo, + const TemplateArgumentListInfo *TemplateArgs, const Scope *S, + ActOnMemberAccessExtraArgs *ExtraArgs) { LookupResult R(*this, NameInfo, LookupMemberName); + if (SS.isInvalid()) + return ExprError(); + // Implicit member accesses. if (!Base) { TypoExpr *TE = nullptr; QualType RecordTy = BaseType; if (IsArrow) RecordTy = RecordTy->castAs()->getPointeeType(); - if (LookupMemberExprInRecord( - *this, R, nullptr, RecordTy->castAs(), OpLoc, IsArrow, - SS, TemplateArgs != nullptr, TemplateKWLoc, TE)) + if (LookupMemberExprInRecord(*this, R, nullptr, RecordTy, OpLoc, IsArrow, + SS, TemplateArgs != nullptr, TemplateKWLoc, + TE)) return ExprError(); if (TE) return TE; @@ -926,19 +938,6 @@ BuildMSPropertyRefExpr(Sema &S, Expr *BaseExpr, bool IsArrow, NameInfo.getLoc()); } -MemberExpr *Sema::BuildMemberExpr( - Expr *Base, bool IsArrow, SourceLocation OpLoc, const CXXScopeSpec *SS, - SourceLocation TemplateKWLoc, ValueDecl *Member, DeclAccessPair FoundDecl, - bool HadMultipleCandidates, const DeclarationNameInfo &MemberNameInfo, - QualType Ty, ExprValueKind VK, ExprObjectKind OK, - const TemplateArgumentListInfo *TemplateArgs) { - NestedNameSpecifierLoc NNS = - SS ? SS->getWithLocInContext(Context) : NestedNameSpecifierLoc(); - return BuildMemberExpr(Base, IsArrow, OpLoc, NNS, TemplateKWLoc, Member, - FoundDecl, HadMultipleCandidates, MemberNameInfo, Ty, - VK, OK, TemplateArgs); -} - MemberExpr *Sema::BuildMemberExpr( Expr *Base, bool IsArrow, SourceLocation OpLoc, NestedNameSpecifierLoc NNS, SourceLocation TemplateKWLoc, ValueDecl *Member, DeclAccessPair FoundDecl, @@ -991,6 +990,17 @@ Sema::BuildMemberReferenceExpr(Expr *BaseExpr, QualType BaseExprType, const Scope *S, bool SuppressQualifierCheck, ActOnMemberAccessExtraArgs *ExtraArgs) { + assert(!SS.isInvalid() && "nested-name-specifier cannot be invalid"); + // If the member wasn't found in the current instantiation, or if the + // arrow operator was used with a dependent non-pointer object expression, + // build a CXXDependentScopeMemberExpr. + if (R.wasNotFoundInCurrentInstantiation() || + (IsArrow && !BaseExprType->isPointerType() && + BaseExprType->isDependentType())) + return ActOnDependentMemberExpr(BaseExpr, BaseExprType, IsArrow, OpLoc, SS, + TemplateKWLoc, FirstQualifierInScope, + R.getLookupNameInfo(), TemplateArgs); + QualType BaseType = BaseExprType; if (IsArrow) { assert(BaseType->isPointerType()); @@ -998,6 +1008,11 @@ Sema::BuildMemberReferenceExpr(Expr *BaseExpr, QualType BaseExprType, } R.setBaseObjectType(BaseType); + assert((SS.isEmpty() + ? !BaseType->isDependentType() || computeDeclContext(BaseType) + : !isDependentScopeSpecifier(SS) || computeDeclContext(SS)) && + "dependent lookup context that isn't the current instantiation?"); + // C++1z [expr.ref]p2: // For the first option (dot) the first expression shall be a glvalue [...] if (!IsArrow && BaseExpr && BaseExpr->isPRValue()) { @@ -1026,40 +1041,39 @@ Sema::BuildMemberReferenceExpr(Expr *BaseExpr, QualType BaseExprType, << isa(FD); if (R.empty()) { - // Rederive where we looked up. - DeclContext *DC = (SS.isSet() - ? computeDeclContext(SS, false) - : BaseType->castAs()->getDecl()); - - if (ExtraArgs) { - ExprResult RetryExpr; - if (!IsArrow && BaseExpr) { - SFINAETrap Trap(*this, true); - ParsedType ObjectType; - bool MayBePseudoDestructor = false; - RetryExpr = ActOnStartCXXMemberReference(getCurScope(), BaseExpr, - OpLoc, tok::arrow, ObjectType, - MayBePseudoDestructor); - if (RetryExpr.isUsable() && !Trap.hasErrorOccurred()) { - CXXScopeSpec TempSS(SS); - RetryExpr = ActOnMemberAccessExpr( - ExtraArgs->S, RetryExpr.get(), OpLoc, tok::arrow, TempSS, - TemplateKWLoc, ExtraArgs->Id, ExtraArgs->ObjCImpDecl); - } - if (Trap.hasErrorOccurred()) - RetryExpr = ExprError(); - } - if (RetryExpr.isUsable()) { - Diag(OpLoc, diag::err_no_member_overloaded_arrow) - << MemberName << DC << FixItHint::CreateReplacement(OpLoc, "->"); - return RetryExpr; + ExprResult RetryExpr = ExprError(); + if (ExtraArgs && !IsArrow && BaseExpr && !BaseExpr->isTypeDependent()) { + SFINAETrap Trap(*this, true); + ParsedType ObjectType; + bool MayBePseudoDestructor = false; + RetryExpr = ActOnStartCXXMemberReference(getCurScope(), BaseExpr, OpLoc, + tok::arrow, ObjectType, + MayBePseudoDestructor); + if (RetryExpr.isUsable() && !Trap.hasErrorOccurred()) { + CXXScopeSpec TempSS(SS); + RetryExpr = ActOnMemberAccessExpr( + ExtraArgs->S, RetryExpr.get(), OpLoc, tok::arrow, TempSS, + TemplateKWLoc, ExtraArgs->Id, ExtraArgs->ObjCImpDecl); } + if (Trap.hasErrorOccurred()) + RetryExpr = ExprError(); } - Diag(R.getNameLoc(), diag::err_no_member) - << MemberName << DC - << (BaseExpr ? BaseExpr->getSourceRange() : SourceRange()); - return ExprError(); + // Rederive where we looked up. + DeclContext *DC = + (SS.isSet() ? computeDeclContext(SS) : computeDeclContext(BaseType)); + assert(DC); + + if (RetryExpr.isUsable()) + Diag(OpLoc, diag::err_no_member_overloaded_arrow) + << MemberName << DC << FixItHint::CreateReplacement(OpLoc, "->"); + else + Diag(R.getNameLoc(), diag::err_no_member) + << MemberName << DC + << (SS.isSet() + ? SS.getRange() + : (BaseExpr ? BaseExpr->getSourceRange() : SourceRange())); + return RetryExpr; } // Diagnose lookups that find only declarations from a non-base @@ -1144,7 +1158,8 @@ Sema::BuildMemberReferenceExpr(Expr *BaseExpr, QualType BaseExprType, OpLoc); if (VarDecl *Var = dyn_cast(MemberDecl)) { - return BuildMemberExpr(BaseExpr, IsArrow, OpLoc, &SS, TemplateKWLoc, Var, + return BuildMemberExpr(BaseExpr, IsArrow, OpLoc, + SS.getWithLocInContext(Context), TemplateKWLoc, Var, FoundDecl, /*HadMultipleCandidates=*/false, MemberNameInfo, Var->getType().getNonReferenceType(), VK_LValue, OK_Ordinary); @@ -1161,17 +1176,18 @@ Sema::BuildMemberReferenceExpr(Expr *BaseExpr, QualType BaseExprType, type = MemberFn->getType(); } - return BuildMemberExpr(BaseExpr, IsArrow, OpLoc, &SS, TemplateKWLoc, + return BuildMemberExpr(BaseExpr, IsArrow, OpLoc, + SS.getWithLocInContext(Context), TemplateKWLoc, MemberFn, FoundDecl, /*HadMultipleCandidates=*/false, MemberNameInfo, type, valueKind, OK_Ordinary); } assert(!isa(MemberDecl) && "member function not C++ method?"); if (EnumConstantDecl *Enum = dyn_cast(MemberDecl)) { - return BuildMemberExpr(BaseExpr, IsArrow, OpLoc, &SS, TemplateKWLoc, Enum, - FoundDecl, /*HadMultipleCandidates=*/false, - MemberNameInfo, Enum->getType(), VK_PRValue, - OK_Ordinary); + return BuildMemberExpr( + BaseExpr, IsArrow, OpLoc, SS.getWithLocInContext(Context), + TemplateKWLoc, Enum, FoundDecl, /*HadMultipleCandidates=*/false, + MemberNameInfo, Enum->getType(), VK_PRValue, OK_Ordinary); } if (VarTemplateDecl *VarTempl = dyn_cast(MemberDecl)) { @@ -1195,7 +1211,8 @@ Sema::BuildMemberReferenceExpr(Expr *BaseExpr, QualType BaseExprType, if (!Var->getTemplateSpecializationKind()) Var->setTemplateSpecializationKind(TSK_ImplicitInstantiation, MemberLoc); - return BuildMemberExpr(BaseExpr, IsArrow, OpLoc, &SS, TemplateKWLoc, Var, + return BuildMemberExpr(BaseExpr, IsArrow, OpLoc, + SS.getWithLocInContext(Context), TemplateKWLoc, Var, FoundDecl, /*HadMultipleCandidates=*/false, MemberNameInfo, Var->getType().getNonReferenceType(), VK_LValue, OK_Ordinary, TemplateArgs); @@ -1288,7 +1305,6 @@ static ExprResult LookupMemberExpr(Sema &S, LookupResult &R, return ExprError(); QualType BaseType = BaseExpr.get()->getType(); - assert(!BaseType->isDependentType()); DeclarationName MemberName = R.getLookupName(); SourceLocation MemberLoc = R.getNameLoc(); @@ -1300,29 +1316,31 @@ static ExprResult LookupMemberExpr(Sema &S, LookupResult &R, if (IsArrow) { if (const PointerType *Ptr = BaseType->getAs()) BaseType = Ptr->getPointeeType(); - else if (const ObjCObjectPointerType *Ptr - = BaseType->getAs()) + else if (const ObjCObjectPointerType *Ptr = + BaseType->getAs()) BaseType = Ptr->getPointeeType(); - else if (BaseType->isRecordType()) { - // Recover from arrow accesses to records, e.g.: - // struct MyRecord foo; - // foo->bar - // This is actually well-formed in C++ if MyRecord has an - // overloaded operator->, but that should have been dealt with - // by now--or a diagnostic message already issued if a problem - // was encountered while looking for the overloaded operator->. - if (!S.getLangOpts().CPlusPlus) { - S.Diag(OpLoc, diag::err_typecheck_member_reference_suggestion) - << BaseType << int(IsArrow) << BaseExpr.get()->getSourceRange() - << FixItHint::CreateReplacement(OpLoc, "."); + else if (!BaseType->isDependentType()) { + if (BaseType->isRecordType()) { + // Recover from arrow accesses to records, e.g.: + // struct MyRecord foo; + // foo->bar + // This is actually well-formed in C++ if MyRecord has an + // overloaded operator->, but that should have been dealt with + // by now--or a diagnostic message already issued if a problem + // was encountered while looking for the overloaded operator->. + if (!S.getLangOpts().CPlusPlus) { + S.Diag(OpLoc, diag::err_typecheck_member_reference_suggestion) + << BaseType << int(IsArrow) << BaseExpr.get()->getSourceRange() + << FixItHint::CreateReplacement(OpLoc, "."); + } + IsArrow = false; + } else if (BaseType->isFunctionType()) { + goto fail; + } else { + S.Diag(MemberLoc, diag::err_typecheck_member_reference_arrow) + << BaseType << BaseExpr.get()->getSourceRange(); + return ExprError(); } - IsArrow = false; - } else if (BaseType->isFunctionType()) { - goto fail; - } else { - S.Diag(MemberLoc, diag::err_typecheck_member_reference_arrow) - << BaseType << BaseExpr.get()->getSourceRange(); - return ExprError(); } } @@ -1342,10 +1360,10 @@ static ExprResult LookupMemberExpr(Sema &S, LookupResult &R, } // Handle field access to simple records. - if (const RecordType *RTy = BaseType->getAs()) { + if (BaseType->getAsRecordDecl() || BaseType->isDependentType()) { TypoExpr *TE = nullptr; - if (LookupMemberExprInRecord(S, R, BaseExpr.get(), RTy, OpLoc, IsArrow, SS, - HasTemplateArgs, TemplateKWLoc, TE)) + if (LookupMemberExprInRecord(S, R, BaseExpr.get(), BaseType, OpLoc, IsArrow, + SS, HasTemplateArgs, TemplateKWLoc, TE)) return ExprError(); // Returning valid-but-null is how we indicate to the caller that @@ -1768,7 +1786,6 @@ ExprResult Sema::ActOnMemberAccessExpr(Scope *S, Expr *Base, DecomposeUnqualifiedId(Id, TemplateArgsBuffer, NameInfo, TemplateArgs); - DeclarationName Name = NameInfo.getName(); bool IsArrow = (OpKind == tok::arrow); if (getLangOpts().HLSL && IsArrow) @@ -1782,13 +1799,6 @@ ExprResult Sema::ActOnMemberAccessExpr(Scope *S, Expr *Base, if (Result.isInvalid()) return ExprError(); Base = Result.get(); - if (Base->getType()->isDependentType() || Name.isDependentName() || - isDependentScopeSpecifier(SS)) { - return ActOnDependentMemberExpr(Base, Base->getType(), IsArrow, OpLoc, SS, - TemplateKWLoc, FirstQualifierInScope, - NameInfo, TemplateArgs); - } - ActOnMemberAccessExtraArgs ExtraArgs = {S, Id, ObjCImpDecl}; ExprResult Res = BuildMemberReferenceExpr( Base, Base->getType(), OpLoc, IsArrow, SS, TemplateKWLoc, @@ -1907,10 +1917,10 @@ Sema::BuildFieldReferenceExpr(Expr *BaseExpr, bool IsArrow, } } - return BuildMemberExpr(Base.get(), IsArrow, OpLoc, &SS, - /*TemplateKWLoc=*/SourceLocation(), Field, FoundDecl, - /*HadMultipleCandidates=*/false, MemberNameInfo, - MemberType, VK, OK); + return BuildMemberExpr( + Base.get(), IsArrow, OpLoc, SS.getWithLocInContext(Context), + /*TemplateKWLoc=*/SourceLocation(), Field, FoundDecl, + /*HadMultipleCandidates=*/false, MemberNameInfo, MemberType, VK, OK); } /// Builds an implicit member access expression. The current context diff --git a/clang/lib/Sema/SemaInit.cpp b/clang/lib/Sema/SemaInit.cpp index e86f7578ff0c0569aa2699ab393e84162f1fdca6..7d9eaf6720461d2e4f9c746a7f09485c8e48b965 100644 --- a/clang/lib/Sema/SemaInit.cpp +++ b/clang/lib/Sema/SemaInit.cpp @@ -849,7 +849,7 @@ InitListChecker::FillInEmptyInitializations(const InitializedEntity &Entity, } for (auto *Field : RDecl->fields()) { - if (Field->isUnnamedBitfield()) + if (Field->isUnnamedBitField()) continue; if (hadError) @@ -1027,7 +1027,7 @@ int InitListChecker::numStructUnionElements(QualType DeclType) { if (auto *CXXRD = dyn_cast(structDecl)) InitializableMembers += CXXRD->getNumBases(); for (const auto *Field : structDecl->fields()) - if (!Field->isUnnamedBitfield()) + if (!Field->isUnnamedBitField()) ++InitializableMembers; if (structDecl->isUnion()) @@ -2175,7 +2175,7 @@ void InitListChecker::CheckStructUnionTypes( // bitfield. for (RecordDecl::field_iterator FieldEnd = RD->field_end(); Field != FieldEnd; ++Field) { - if (!Field->isUnnamedBitfield()) { + if (!Field->isUnnamedBitField()) { CheckEmptyInitializable( InitializedEntity::InitializeMember(*Field, &Entity), IList->getEndLoc()); @@ -2338,7 +2338,7 @@ void InitListChecker::CheckStructUnionTypes( if (Field->getType()->isIncompleteArrayType()) break; - if (Field->isUnnamedBitfield()) { + if (Field->isUnnamedBitField()) { // Don't initialize unnamed bitfields, e.g. "int : 20;" ++Field; continue; @@ -2398,7 +2398,7 @@ void InitListChecker::CheckStructUnionTypes( if (HasDesignatedInit && InitializedFields.count(*it)) continue; - if (!it->isUnnamedBitfield() && !it->hasInClassInitializer() && + if (!it->isUnnamedBitField() && !it->hasInClassInitializer() && !it->getType()->isIncompleteArrayType()) { auto Diag = HasDesignatedInit ? diag::warn_missing_designated_field_initializers @@ -2414,7 +2414,7 @@ void InitListChecker::CheckStructUnionTypes( if (!StructuredList && Field != FieldEnd && !RD->isUnion() && !Field->getType()->isIncompleteArrayType()) { for (; Field != FieldEnd && !hadError; ++Field) { - if (!Field->isUnnamedBitfield() && !Field->hasInClassInitializer()) + if (!Field->isUnnamedBitField() && !Field->hasInClassInitializer()) CheckEmptyInitializable( InitializedEntity::InitializeMember(*Field, &Entity), IList->getEndLoc()); @@ -2784,7 +2784,7 @@ InitListChecker::CheckDesignatedInitializer(const InitializedEntity &Entity, unsigned FieldIndex = NumBases; for (auto *FI : RD->fields()) { - if (FI->isUnnamedBitfield()) + if (FI->isUnnamedBitField()) continue; if (declaresSameEntity(KnownField, FI)) { KnownField = FI; @@ -2858,7 +2858,7 @@ InitListChecker::CheckDesignatedInitializer(const InitializedEntity &Entity, // Find the field that we just initialized. FieldDecl *PrevField = nullptr; for (auto FI = RD->field_begin(); FI != RD->field_end(); ++FI) { - if (FI->isUnnamedBitfield()) + if (FI->isUnnamedBitField()) continue; if (*NextField != RD->field_end() && declaresSameEntity(*FI, **NextField)) @@ -2976,7 +2976,7 @@ InitListChecker::CheckDesignatedInitializer(const InitializedEntity &Entity, // If this the first designator, our caller will continue checking // the rest of this struct/class/union subobject. if (IsFirstDesignator) { - if (Field != RD->field_end() && Field->isUnnamedBitfield()) + if (Field != RD->field_end() && Field->isUnnamedBitField()) ++Field; if (NextField) @@ -5585,7 +5585,7 @@ static void TryOrBuildParenListInitialization( for (FieldDecl *FD : RD->fields()) { // Unnamed bitfields should not be initialized at all, either with an arg // or by default. - if (FD->isUnnamedBitfield()) + if (FD->isUnnamedBitField()) continue; InitializedEntity SubEntity = @@ -7753,9 +7753,9 @@ static void visitLocalsRetainedByReferenceBinding(IndirectLocalPath &Path, break; } - case Stmt::OMPArraySectionExprClass: { + case Stmt::ArraySectionExprClass: { visitLocalsRetainedByInitializer(Path, - cast(Init)->getBase(), + cast(Init)->getBase(), Visit, true, EnableLifetimeWarnings); break; } @@ -7930,7 +7930,7 @@ static void visitLocalsRetainedByInitializer(IndirectLocalPath &Path, for (const auto *I : RD->fields()) { if (Index >= ILE->getNumInits()) break; - if (I->isUnnamedBitfield()) + if (I->isUnnamedBitField()) continue; Expr *SubInit = ILE->getInit(Index); if (I->getType()->isReferenceType()) @@ -8340,8 +8340,17 @@ void Sema::checkInitializerLifetime(const InitializedEntity &Entity, << Entity.getType()->isReferenceType() << CLE->getInitializer() << 2 << DiagRange; } else { - Diag(DiagLoc, diag::warn_ret_local_temp_addr_ref) - << Entity.getType()->isReferenceType() << DiagRange; + // P2748R5: Disallow Binding a Returned Glvalue to a Temporary. + // [stmt.return]/p6: In a function whose return type is a reference, + // other than an invented function for std::is_convertible ([meta.rel]), + // a return statement that binds the returned reference to a temporary + // expression ([class.temporary]) is ill-formed. + if (getLangOpts().CPlusPlus26 && Entity.getType()->isReferenceType()) + Diag(DiagLoc, diag::err_ret_local_temp_ref) + << Entity.getType()->isReferenceType() << DiagRange; + else + Diag(DiagLoc, diag::warn_ret_local_temp_addr_ref) + << Entity.getType()->isReferenceType() << DiagRange; } break; } @@ -9532,7 +9541,7 @@ static bool DiagnoseUninitializedReference(Sema &S, SourceLocation Loc, return false; for (const auto *FI : RD->fields()) { - if (FI->isUnnamedBitfield()) + if (FI->isUnnamedBitField()) continue; if (DiagnoseUninitializedReference(S, FI->getLocation(), FI->getType())) { @@ -10790,8 +10799,6 @@ QualType Sema::DeduceTemplateSpecializationFromInitializer( // FIXME: Perform "exact type" matching first, per CWG discussion? // Or implement this via an implied 'T(T) -> T' deduction guide? - // FIXME: Do we need/want a std::initializer_list special case? - // Look up deduction guides, including those synthesized from constructors. // // C++1z [over.match.class.deduct]p1: diff --git a/clang/lib/Sema/SemaLookup.cpp b/clang/lib/Sema/SemaLookup.cpp index 55af414df39f51f6b2b1176626cbcc38941f1207..2f6ad49fc08b61557b251630b5f182e9d2c227fb 100644 --- a/clang/lib/Sema/SemaLookup.cpp +++ b/clang/lib/Sema/SemaLookup.cpp @@ -1282,6 +1282,31 @@ bool Sema::CppLookupName(LookupResult &R, Scope *S) { if (DeclContext *DC = PreS->getEntity()) DeclareImplicitMemberFunctionsWithName(*this, Name, R.getNameLoc(), DC); } + // C++23 [temp.dep.general]p2: + // The component name of an unqualified-id is dependent if + // - it is a conversion-function-id whose conversion-type-id + // is dependent, or + // - it is operator= and the current class is a templated entity, or + // - the unqualified-id is the postfix-expression in a dependent call. + if (Name.getNameKind() == DeclarationName::CXXConversionFunctionName && + Name.getCXXNameType()->isDependentType()) { + R.setNotFoundInCurrentInstantiation(); + return false; + } + + // If this is the name of an implicitly-declared special member function, + // go through the scope stack to implicitly declare + if (isImplicitlyDeclaredMemberFunctionName(Name)) { + for (Scope *PreS = S; PreS; PreS = PreS->getParent()) + if (DeclContext *DC = PreS->getEntity()) { + if (DC->isDependentContext() && isa(DC) && + Name.getCXXOverloadedOperator() == OO_Equal) { + R.setNotFoundInCurrentInstantiation(); + return false; + } + DeclareImplicitMemberFunctionsWithName(*this, Name, R.getNameLoc(), DC); + } + } // Implicitly declare member functions with the name we're looking for, if in // fact we are in a scope where it matters. @@ -2446,10 +2471,33 @@ bool Sema::LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, } } QL(LookupCtx); + CXXRecordDecl *LookupRec = dyn_cast(LookupCtx); + // FIXME: Per [temp.dep.general]p2, an unqualified name is also dependent + // if it's a dependent conversion-function-id or operator= where the current + // class is a templated entity. This should be handled in LookupName. + if (!InUnqualifiedLookup && !R.isForRedeclaration()) { + // C++23 [temp.dep.type]p5: + // A qualified name is dependent if + // - it is a conversion-function-id whose conversion-type-id + // is dependent, or + // - [...] + // - its lookup context is the current instantiation and it + // is operator=, or + // - [...] + if (DeclarationName Name = R.getLookupName(); + (Name.getNameKind() == DeclarationName::CXXConversionFunctionName && + Name.getCXXNameType()->isDependentType()) || + (Name.getCXXOverloadedOperator() == OO_Equal && LookupRec && + LookupRec->isDependentContext())) { + R.setNotFoundInCurrentInstantiation(); + return false; + } + } + if (LookupDirect(*this, R, LookupCtx)) { R.resolveKind(); - if (isa(LookupCtx)) - R.setNamingClass(cast(LookupCtx)); + if (LookupRec) + R.setNamingClass(LookupRec); return true; } @@ -2471,7 +2519,6 @@ bool Sema::LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, // If this isn't a C++ class, we aren't allowed to look into base // classes, we're done. - CXXRecordDecl *LookupRec = dyn_cast(LookupCtx); if (!LookupRec || !LookupRec->getDefinition()) return false; @@ -2718,38 +2765,54 @@ bool Sema::LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, /// /// @returns True if any decls were found (but possibly ambiguous) bool Sema::LookupParsedName(LookupResult &R, Scope *S, CXXScopeSpec *SS, - bool AllowBuiltinCreation, bool EnteringContext) { - if (SS && SS->isInvalid()) { - // When the scope specifier is invalid, don't even look for - // anything. + QualType ObjectType, bool AllowBuiltinCreation, + bool EnteringContext) { + // When the scope specifier is invalid, don't even look for anything. + if (SS && SS->isInvalid()) return false; - } - if (SS && SS->isSet()) { - NestedNameSpecifier *NNS = SS->getScopeRep(); - if (NNS->getKind() == NestedNameSpecifier::Super) + // Determine where to perform name lookup + DeclContext *DC = nullptr; + bool IsDependent = false; + if (!ObjectType.isNull()) { + // This nested-name-specifier occurs in a member access expression, e.g., + // x->B::f, and we are looking into the type of the object. + assert((!SS || SS->isEmpty()) && + "ObjectType and scope specifier cannot coexist"); + DC = computeDeclContext(ObjectType); + IsDependent = !DC && ObjectType->isDependentType(); + assert(((!DC && ObjectType->isDependentType()) || + !ObjectType->isIncompleteType() || !ObjectType->getAs() || + ObjectType->castAs()->isBeingDefined()) && + "Caller should have completed object type"); + } else if (SS && SS->isNotEmpty()) { + if (NestedNameSpecifier *NNS = SS->getScopeRep(); + NNS->getKind() == NestedNameSpecifier::Super) return LookupInSuper(R, NNS->getAsRecordDecl()); - - if (DeclContext *DC = computeDeclContext(*SS, EnteringContext)) { - // We have resolved the scope specifier to a particular declaration - // contex, and will perform name lookup in that context. + // This nested-name-specifier occurs after another nested-name-specifier, + // so long into the context associated with the prior nested-name-specifier. + if ((DC = computeDeclContext(*SS, EnteringContext))) { + // The declaration context must be complete. if (!DC->isDependentContext() && RequireCompleteDeclContext(*SS, DC)) return false; - R.setContextRange(SS->getRange()); - return LookupQualifiedName(R, DC); } + IsDependent = !DC && isDependentScopeSpecifier(*SS); + } else { + // Perform unqualified name lookup starting in the given scope. + return LookupName(R, S, AllowBuiltinCreation); + } + // If we were able to compute a declaration context, perform qualified name + // lookup in that context. + if (DC) + return LookupQualifiedName(R, DC); + else if (IsDependent) // We could not resolve the scope specified to a specific declaration // context, which means that SS refers to an unknown specialization. // Name lookup can't find anything in this case. R.setNotFoundInCurrentInstantiation(); - R.setContextRange(SS->getRange()); - return false; - } - - // Perform unqualified name lookup starting in the given scope. - return LookupName(R, S, AllowBuiltinCreation); + return false; } /// Perform qualified name lookup into all base classes of the given @@ -5018,8 +5081,9 @@ static void LookupPotentialTypoResult(Sema &SemaRef, return; } - SemaRef.LookupParsedName(Res, S, SS, /*AllowBuiltinCreation=*/false, - EnteringContext); + SemaRef.LookupParsedName(Res, S, SS, + /*ObjectType=*/QualType(), + /*AllowBuiltinCreation=*/false, EnteringContext); // Fake ivar lookup; this should really be part of // LookupParsedName. diff --git a/clang/lib/Sema/SemaModule.cpp b/clang/lib/Sema/SemaModule.cpp index 2ddf9d70263a094d1cf0d9e7fa387247771521a5..ad118ac90e4aa6a23db950cc77e9179f85ea9aa0 100644 --- a/clang/lib/Sema/SemaModule.cpp +++ b/clang/lib/Sema/SemaModule.cpp @@ -12,6 +12,7 @@ //===----------------------------------------------------------------------===// #include "clang/AST/ASTConsumer.h" +#include "clang/AST/ASTMutationListener.h" #include "clang/Lex/HeaderSearch.h" #include "clang/Lex/Preprocessor.h" #include "clang/Sema/SemaInternal.h" @@ -475,6 +476,9 @@ Sema::ActOnModuleDecl(SourceLocation StartLoc, SourceLocation ModuleLoc, getASTContext().setCurrentNamedModule(Mod); + if (auto *Listener = getASTMutationListener()) + Listener->EnteringModulePurview(); + // We already potentially made an implicit import (in the case of a module // implementation unit importing its interface). Make this module visible // and return the import decl to be added to the current TU. @@ -999,6 +1003,10 @@ Decl *Sema::ActOnFinishExportDecl(Scope *S, Decl *D, SourceLocation RBraceLoc) { } } + // Anything exported from a module should never be considered unused. + for (auto *Exported : ED->decls()) + Exported->markUsed(getASTContext()); + return D; } diff --git a/clang/lib/Sema/SemaOpenACC.cpp b/clang/lib/Sema/SemaOpenACC.cpp index 59f65eaf47a6daab2d8d622a6f1f584732905668..3ea81e0497c2032558756c67cb7b5878f2a8816b 100644 --- a/clang/lib/Sema/SemaOpenACC.cpp +++ b/clang/lib/Sema/SemaOpenACC.cpp @@ -14,6 +14,7 @@ #include "clang/Sema/SemaOpenACC.h" #include "clang/AST/StmtOpenACC.h" #include "clang/Basic/DiagnosticSema.h" +#include "clang/Basic/OpenACCKinds.h" #include "clang/Sema/Sema.h" #include "llvm/Support/Casting.h" @@ -90,6 +91,30 @@ bool doesClauseApplyToDirective(OpenACCDirectiveKind DirectiveKind, default: return false; } + case OpenACCClauseKind::NumGangs: + case OpenACCClauseKind::NumWorkers: + case OpenACCClauseKind::VectorLength: + switch (DirectiveKind) { + case OpenACCDirectiveKind::Parallel: + case OpenACCDirectiveKind::Kernels: + case OpenACCDirectiveKind::ParallelLoop: + case OpenACCDirectiveKind::KernelsLoop: + return true; + default: + return false; + } + case OpenACCClauseKind::Private: + switch (DirectiveKind) { + case OpenACCDirectiveKind::Parallel: + case OpenACCDirectiveKind::Serial: + case OpenACCDirectiveKind::Loop: + case OpenACCDirectiveKind::ParallelLoop: + case OpenACCDirectiveKind::SerialLoop: + case OpenACCDirectiveKind::KernelsLoop: + return true; + default: + return false; + } default: // Do nothing so we can go to the 'unimplemented' diagnostic instead. return true; @@ -218,6 +243,93 @@ SemaOpenACC::ActOnClause(ArrayRef ExistingClauses, getASTContext(), Clause.getBeginLoc(), Clause.getLParenLoc(), Clause.getConditionExpr(), Clause.getEndLoc()); } + case OpenACCClauseKind::NumGangs: { + // Restrictions only properly implemented on 'compute' constructs, and + // 'compute' constructs are the only construct that can do anything with + // this yet, so skip/treat as unimplemented in this case. + if (!isOpenACCComputeDirectiveKind(Clause.getDirectiveKind())) + break; + + // There is no prose in the standard that says duplicates aren't allowed, + // but this diagnostic is present in other compilers, as well as makes + // sense. + if (checkAlreadyHasClauseOfKind(*this, ExistingClauses, Clause)) + return nullptr; + + if (Clause.getIntExprs().empty()) + Diag(Clause.getBeginLoc(), diag::err_acc_num_gangs_num_args) + << /*NoArgs=*/0; + + unsigned MaxArgs = + (Clause.getDirectiveKind() == OpenACCDirectiveKind::Parallel || + Clause.getDirectiveKind() == OpenACCDirectiveKind::ParallelLoop) + ? 3 + : 1; + if (Clause.getIntExprs().size() > MaxArgs) + Diag(Clause.getBeginLoc(), diag::err_acc_num_gangs_num_args) + << /*NoArgs=*/1 << Clause.getDirectiveKind() << MaxArgs + << Clause.getIntExprs().size(); + + // Create the AST node for the clause even if the number of expressions is + // incorrect. + return OpenACCNumGangsClause::Create( + getASTContext(), Clause.getBeginLoc(), Clause.getLParenLoc(), + Clause.getIntExprs(), Clause.getEndLoc()); + break; + } + case OpenACCClauseKind::NumWorkers: { + // Restrictions only properly implemented on 'compute' constructs, and + // 'compute' constructs are the only construct that can do anything with + // this yet, so skip/treat as unimplemented in this case. + if (!isOpenACCComputeDirectiveKind(Clause.getDirectiveKind())) + break; + + // There is no prose in the standard that says duplicates aren't allowed, + // but this diagnostic is present in other compilers, as well as makes + // sense. + if (checkAlreadyHasClauseOfKind(*this, ExistingClauses, Clause)) + return nullptr; + + assert(Clause.getIntExprs().size() == 1 && + "Invalid number of expressions for NumWorkers"); + return OpenACCNumWorkersClause::Create( + getASTContext(), Clause.getBeginLoc(), Clause.getLParenLoc(), + Clause.getIntExprs()[0], Clause.getEndLoc()); + } + case OpenACCClauseKind::VectorLength: { + // Restrictions only properly implemented on 'compute' constructs, and + // 'compute' constructs are the only construct that can do anything with + // this yet, so skip/treat as unimplemented in this case. + if (!isOpenACCComputeDirectiveKind(Clause.getDirectiveKind())) + break; + + // There is no prose in the standard that says duplicates aren't allowed, + // but this diagnostic is present in other compilers, as well as makes + // sense. + if (checkAlreadyHasClauseOfKind(*this, ExistingClauses, Clause)) + return nullptr; + + assert(Clause.getIntExprs().size() == 1 && + "Invalid number of expressions for VectorLength"); + return OpenACCVectorLengthClause::Create( + getASTContext(), Clause.getBeginLoc(), Clause.getLParenLoc(), + Clause.getIntExprs()[0], Clause.getEndLoc()); + } + case OpenACCClauseKind::Private: { + // Restrictions only properly implemented on 'compute' constructs, and + // 'compute' constructs are the only construct that can do anything with + // this yet, so skip/treat as unimplemented in this case. + if (!isOpenACCComputeDirectiveKind(Clause.getDirectiveKind())) + break; + + // ActOnVar ensured that everything is a valid variable reference, so there + // really isn't anything to do here. GCC does some duplicate-finding, though + // it isn't apparent in the standard where this is justified. + + return OpenACCPrivateClause::Create( + getASTContext(), Clause.getBeginLoc(), Clause.getLParenLoc(), + Clause.getVarList(), Clause.getEndLoc()); + } default: break; } @@ -248,6 +360,157 @@ void SemaOpenACC::ActOnConstruct(OpenACCDirectiveKind K, } } +ExprResult SemaOpenACC::ActOnIntExpr(OpenACCDirectiveKind DK, + OpenACCClauseKind CK, SourceLocation Loc, + Expr *IntExpr) { + + assert(((DK != OpenACCDirectiveKind::Invalid && + CK == OpenACCClauseKind::Invalid) || + (DK == OpenACCDirectiveKind::Invalid && + CK != OpenACCClauseKind::Invalid)) && + "Only one of directive or clause kind should be provided"); + + class IntExprConverter : public Sema::ICEConvertDiagnoser { + OpenACCDirectiveKind DirectiveKind; + OpenACCClauseKind ClauseKind; + Expr *IntExpr; + + public: + IntExprConverter(OpenACCDirectiveKind DK, OpenACCClauseKind CK, + Expr *IntExpr) + : ICEConvertDiagnoser(/*AllowScopedEnumerations=*/false, + /*Suppress=*/false, + /*SuppressConversion=*/true), + DirectiveKind(DK), ClauseKind(CK), IntExpr(IntExpr) {} + + bool match(QualType T) override { + // OpenACC spec just calls this 'integer expression' as having an + // 'integer type', so fall back on C99's 'integer type'. + return T->isIntegerType(); + } + SemaBase::SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, + QualType T) override { + if (ClauseKind != OpenACCClauseKind::Invalid) + return S.Diag(Loc, diag::err_acc_int_expr_requires_integer) << + /*Clause=*/0 << ClauseKind << T; + + return S.Diag(Loc, diag::err_acc_int_expr_requires_integer) << + /*Directive=*/1 << DirectiveKind << T; + } + + SemaBase::SemaDiagnosticBuilder + diagnoseIncomplete(Sema &S, SourceLocation Loc, QualType T) override { + return S.Diag(Loc, diag::err_acc_int_expr_incomplete_class_type) + << T << IntExpr->getSourceRange(); + } + + SemaBase::SemaDiagnosticBuilder + diagnoseExplicitConv(Sema &S, SourceLocation Loc, QualType T, + QualType ConvTy) override { + return S.Diag(Loc, diag::err_acc_int_expr_explicit_conversion) + << T << ConvTy; + } + + SemaBase::SemaDiagnosticBuilder noteExplicitConv(Sema &S, + CXXConversionDecl *Conv, + QualType ConvTy) override { + return S.Diag(Conv->getLocation(), diag::note_acc_int_expr_conversion) + << ConvTy->isEnumeralType() << ConvTy; + } + + SemaBase::SemaDiagnosticBuilder + diagnoseAmbiguous(Sema &S, SourceLocation Loc, QualType T) override { + return S.Diag(Loc, diag::err_acc_int_expr_multiple_conversions) << T; + } + + SemaBase::SemaDiagnosticBuilder + noteAmbiguous(Sema &S, CXXConversionDecl *Conv, QualType ConvTy) override { + return S.Diag(Conv->getLocation(), diag::note_acc_int_expr_conversion) + << ConvTy->isEnumeralType() << ConvTy; + } + + SemaBase::SemaDiagnosticBuilder + diagnoseConversion(Sema &S, SourceLocation Loc, QualType T, + QualType ConvTy) override { + llvm_unreachable("conversion functions are permitted"); + } + } IntExprDiagnoser(DK, CK, IntExpr); + + ExprResult IntExprResult = SemaRef.PerformContextualImplicitConversion( + Loc, IntExpr, IntExprDiagnoser); + if (IntExprResult.isInvalid()) + return ExprError(); + + IntExpr = IntExprResult.get(); + if (!IntExpr->isTypeDependent() && !IntExpr->getType()->isIntegerType()) + return ExprError(); + + // TODO OpenACC: Do we want to perform usual unary conversions here? When + // doing codegen we might find that is necessary, but skip it for now. + return IntExpr; +} + +ExprResult SemaOpenACC::ActOnVar(Expr *VarExpr) { + // We still need to retain the array subscript/subarray exprs, so work on a + // copy. + Expr *CurVarExpr = VarExpr->IgnoreParenImpCasts(); + + // Sub-arrays/subscript-exprs are fine as long as the base is a + // VarExpr/MemberExpr. So strip all of those off. + while (isa(CurVarExpr)) { + if (auto *SubScrpt = dyn_cast(CurVarExpr)) + CurVarExpr = SubScrpt->getBase()->IgnoreParenImpCasts(); + else + CurVarExpr = + cast(CurVarExpr)->getBase()->IgnoreParenImpCasts(); + } + + // References to a VarDecl are fine. + if (const auto *DRE = dyn_cast(CurVarExpr)) { + if (isa( + DRE->getDecl()->getCanonicalDecl())) + return VarExpr; + } + + // A MemberExpr that references a Field is valid. + if (const auto *ME = dyn_cast(CurVarExpr)) { + if (isa(ME->getMemberDecl()->getCanonicalDecl())) + return VarExpr; + } + + // Referring to 'this' is always OK. + if (isa(CurVarExpr)) + return VarExpr; + + // Nothing really we can do here, as these are dependent. So just return they + // are valid. + if (isa(CurVarExpr)) + return VarExpr; + + // There isn't really anything we can do in the case of a recovery expr, so + // skip the diagnostic rather than produce a confusing diagnostic. + if (isa(CurVarExpr)) + return ExprError(); + + Diag(VarExpr->getExprLoc(), diag::err_acc_not_a_var_ref); + return ExprError(); +} + +ExprResult SemaOpenACC::ActOnArraySectionExpr(Expr *Base, SourceLocation LBLoc, + Expr *LowerBound, + SourceLocation ColonLoc, + Expr *Length, + SourceLocation RBLoc) { + ASTContext &Context = getASTContext(); + + // TODO OpenACC: We likely have to reproduce a lot of the same logic from the + // OMP version of this, but at the moment we don't have a good way to test it, + // so for now we'll just create the node. + return new (Context) + ArraySectionExpr(Base, LowerBound, Length, Context.ArraySectionTy, + VK_LValue, OK_Ordinary, ColonLoc, RBLoc); +} + bool SemaOpenACC::ActOnStartStmtDirective(OpenACCDirectiveKind K, SourceLocation StartLoc) { return diagnoseConstructAppertainment(*this, K, StartLoc, /*IsStmt=*/true); diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp index 3e9f6cba25076d1ccd7b35c000a539e5460642ed..cf5447f223d450fc6f2c730c868c058652ead285 100644 --- a/clang/lib/Sema/SemaOpenMP.cpp +++ b/clang/lib/Sema/SemaOpenMP.cpp @@ -2230,7 +2230,7 @@ bool SemaOpenMP::isOpenMPCapturedByRef(const ValueDecl *D, unsigned Level, dyn_cast(Last->getAssociatedExpression()); if ((UO && UO->getOpcode() == UO_Deref) || isa(Last->getAssociatedExpression()) || - isa(Last->getAssociatedExpression()) || + isa(Last->getAssociatedExpression()) || isa(EI->getAssociatedExpression()) || isa(Last->getAssociatedExpression())) { IsVariableAssociatedWithSection = true; @@ -3061,7 +3061,9 @@ ExprResult SemaOpenMP::ActOnOpenMPIdExpression(Scope *CurScope, OpenMPDirectiveKind Kind) { ASTContext &Context = getASTContext(); LookupResult Lookup(SemaRef, Id, Sema::LookupOrdinaryName); - SemaRef.LookupParsedName(Lookup, CurScope, &ScopeSpec, true); + SemaRef.LookupParsedName(Lookup, CurScope, &ScopeSpec, + /*ObjectType=*/QualType(), + /*AllowBuiltinCreation=*/true); if (Lookup.isAmbiguous()) return ExprError(); @@ -3884,7 +3886,7 @@ public: MappableComponent &MC) { return MC.getAssociatedDeclaration() == nullptr && - (isa( + (isa( MC.getAssociatedExpression()) || isa( MC.getAssociatedExpression()) || @@ -4062,7 +4064,7 @@ public: // Do both expressions have the same kind? if (CCI->getAssociatedExpression()->getStmtClass() != SC.getAssociatedExpression()->getStmtClass()) - if (!((isa( + if (!((isa( SC.getAssociatedExpression()) || isa( SC.getAssociatedExpression())) && @@ -5428,9 +5430,9 @@ static std::pair getPrivateItem(Sema &S, Expr *&RefExpr, Base = TempASE->getBase()->IgnoreParenImpCasts(); RefExpr = Base; IsArrayExpr = ArraySubscript; - } else if (auto *OASE = dyn_cast_or_null(RefExpr)) { + } else if (auto *OASE = dyn_cast_or_null(RefExpr)) { Expr *Base = OASE->getBase()->IgnoreParenImpCasts(); - while (auto *TempOASE = dyn_cast(Base)) + while (auto *TempOASE = dyn_cast(Base)) Base = TempOASE->getBase()->IgnoreParenImpCasts(); while (auto *TempASE = dyn_cast(Base)) Base = TempASE->getBase()->IgnoreParenImpCasts(); @@ -6060,10 +6062,10 @@ processImplicitMapsWithDefaultMappers(Sema &S, DSAStackTy *Stack, // Array section - need to check for the mapping of the array section // element. QualType CanonType = E->getType().getCanonicalType(); - if (CanonType->isSpecificBuiltinType(BuiltinType::OMPArraySection)) { - const auto *OASE = cast(E->IgnoreParenImpCasts()); + if (CanonType->isSpecificBuiltinType(BuiltinType::ArraySection)) { + const auto *OASE = cast(E->IgnoreParenImpCasts()); QualType BaseType = - OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); + ArraySectionExpr::getBaseOriginalType(OASE->getBase()); QualType ElemType; if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) ElemType = ATy->getElementType(); @@ -7407,7 +7409,8 @@ void SemaOpenMP::ActOnStartOfFunctionDefinitionInOpenMPDeclareVariantScope( const IdentifierInfo *BaseII = D.getIdentifier(); LookupResult Lookup(SemaRef, DeclarationName(BaseII), D.getIdentifierLoc(), Sema::LookupOrdinaryName); - SemaRef.LookupParsedName(Lookup, S, &D.getCXXScopeSpec()); + SemaRef.LookupParsedName(Lookup, S, &D.getCXXScopeSpec(), + /*ObjectType=*/QualType()); TypeSourceInfo *TInfo = SemaRef.GetTypeForDeclarator(D); QualType FType = TInfo->getType(); @@ -19311,7 +19314,8 @@ buildDeclareReductionRef(Sema &SemaRef, SourceLocation Loc, SourceRange Range, if (S) { LookupResult Lookup(SemaRef, ReductionId, Sema::LookupOMPReductionName); Lookup.suppressDiagnostics(); - while (S && SemaRef.LookupParsedName(Lookup, S, &ReductionIdScopeSpec)) { + while (S && SemaRef.LookupParsedName(Lookup, S, &ReductionIdScopeSpec, + /*ObjectType=*/QualType())) { NamedDecl *D = Lookup.getRepresentativeDecl(); do { S = S->getParent(); @@ -19354,7 +19358,7 @@ buildDeclareReductionRef(Sema &SemaRef, SourceLocation Loc, SourceRange Range, return UnresolvedLookupExpr::Create( SemaRef.Context, /*NamingClass=*/nullptr, ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), ReductionId, - /*ADL=*/true, /*Overloaded=*/true, ResSet.begin(), ResSet.end()); + /*ADL=*/true, ResSet.begin(), ResSet.end(), /*KnownDependent=*/false); } // Lookup inside the classes. // C++ [over.match.oper]p3: @@ -19513,7 +19517,7 @@ struct ReductionData { } // namespace static bool checkOMPArraySectionConstantForReduction( - ASTContext &Context, const OMPArraySectionExpr *OASE, bool &SingleElement, + ASTContext &Context, const ArraySectionExpr *OASE, bool &SingleElement, SmallVectorImpl &ArraySizes) { const Expr *Length = OASE->getLength(); if (Length == nullptr) { @@ -19540,7 +19544,7 @@ static bool checkOMPArraySectionConstantForReduction( // We require length = 1 for all array sections except the right-most to // guarantee that the memory region is contiguous and has no holes in it. - while (const auto *TempOASE = dyn_cast(Base)) { + while (const auto *TempOASE = dyn_cast(Base)) { Length = TempOASE->getLength(); if (Length == nullptr) { // For array sections of the form [1:] or [:], we would need to analyze @@ -19745,12 +19749,12 @@ static bool actOnOMPReductionKindClause( Expr *TaskgroupDescriptor = nullptr; QualType Type; auto *ASE = dyn_cast(RefExpr->IgnoreParens()); - auto *OASE = dyn_cast(RefExpr->IgnoreParens()); + auto *OASE = dyn_cast(RefExpr->IgnoreParens()); if (ASE) { Type = ASE->getType().getNonReferenceType(); } else if (OASE) { QualType BaseType = - OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); + ArraySectionExpr::getBaseOriginalType(OASE->getBase()); if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) Type = ATy->getElementType(); else @@ -21284,10 +21288,10 @@ OMPClause *SemaOpenMP::ActOnOpenMPDependClause( // List items used in depend clauses cannot be zero-length array // sections. QualType ExprTy = RefExpr->getType().getNonReferenceType(); - const auto *OASE = dyn_cast(SimpleExpr); + const auto *OASE = dyn_cast(SimpleExpr); if (OASE) { QualType BaseType = - OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); + ArraySectionExpr::getBaseOriginalType(OASE->getBase()); if (BaseType.isNull()) return nullptr; if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) @@ -21346,7 +21350,7 @@ OMPClause *SemaOpenMP::ActOnOpenMPDependClause( Res = SemaRef.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, RefExpr->IgnoreParenImpCasts()); } - if (!Res.isUsable() && !isa(SimpleExpr) && + if (!Res.isUsable() && !isa(SimpleExpr) && !isa(SimpleExpr)) { Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) << (getLangOpts().OpenMP >= 50 ? 1 : 0) @@ -21447,7 +21451,7 @@ static bool checkTypeMappable(SourceLocation SL, SourceRange SR, Sema &SemaRef, static bool checkArrayExpressionDoesNotReferToWholeSize(Sema &SemaRef, const Expr *E, QualType BaseQTy) { - const auto *OASE = dyn_cast(E); + const auto *OASE = dyn_cast(E); // If this is an array subscript, it refers to the whole size if the size of // the dimension is constant and equals 1. Also, an array section assumes the @@ -21505,7 +21509,7 @@ static bool checkArrayExpressionDoesNotReferToWholeSize(Sema &SemaRef, static bool checkArrayExpressionDoesNotReferToUnitySize(Sema &SemaRef, const Expr *E, QualType BaseQTy) { - const auto *OASE = dyn_cast(E); + const auto *OASE = dyn_cast(E); // An array subscript always refer to a single element. Also, an array section // assumes the format of an array subscript if no colon is used. @@ -21720,14 +21724,14 @@ public: return RelevantExpr || Visit(E); } - bool VisitOMPArraySectionExpr(OMPArraySectionExpr *OASE) { + bool VisitArraySectionExpr(ArraySectionExpr *OASE) { // After OMP 5.0 Array section in reduction clause will be implicitly // mapped assert(!(SemaRef.getLangOpts().OpenMP < 50 && NoDiagnose) && "Array sections cannot be implicitly mapped."); Expr *E = OASE->getBase()->IgnoreParenImpCasts(); QualType CurType = - OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); + ArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); // OpenMP 4.5 [2.15.5.1, map Clause, Restrictions, C++, p.1] // If the type of a list item is a reference to a type T then the type @@ -21900,7 +21904,7 @@ static const Expr *checkMapClauseExpressionBase( auto CE = CurComponents.rend(); for (; CI != CE; ++CI) { const auto *OASE = - dyn_cast(CI->getAssociatedExpression()); + dyn_cast(CI->getAssociatedExpression()); if (!OASE) continue; if (OASE && OASE->getLength()) @@ -21970,10 +21974,10 @@ static bool checkMapConflicts( // variable in map clauses of the same construct. if (CurrentRegionOnly && (isa(CI->getAssociatedExpression()) || - isa(CI->getAssociatedExpression()) || + isa(CI->getAssociatedExpression()) || isa(CI->getAssociatedExpression())) && (isa(SI->getAssociatedExpression()) || - isa(SI->getAssociatedExpression()) || + isa(SI->getAssociatedExpression()) || isa(SI->getAssociatedExpression()))) { SemaRef.Diag(CI->getAssociatedExpression()->getExprLoc(), diag::err_omp_multiple_array_items_in_map_clause) @@ -22001,11 +22005,10 @@ static bool checkMapConflicts( if (const auto *ASE = dyn_cast(SI->getAssociatedExpression())) { Type = ASE->getBase()->IgnoreParenImpCasts()->getType(); - } else if (const auto *OASE = dyn_cast( + } else if (const auto *OASE = dyn_cast( SI->getAssociatedExpression())) { const Expr *E = OASE->getBase()->IgnoreParenImpCasts(); - Type = - OMPArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); + Type = ArraySectionExpr::getBaseOriginalType(E).getCanonicalType(); } else if (const auto *OASE = dyn_cast( SI->getAssociatedExpression())) { Type = OASE->getBase()->getType()->getPointeeType(); @@ -22181,7 +22184,8 @@ static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, LookupResult Lookup(SemaRef, MapperId, Sema::LookupOMPMapperName); Lookup.suppressDiagnostics(); if (S) { - while (S && SemaRef.LookupParsedName(Lookup, S, &MapperIdScopeSpec)) { + while (S && SemaRef.LookupParsedName(Lookup, S, &MapperIdScopeSpec, + /*ObjectType=*/QualType())) { NamedDecl *D = Lookup.getRepresentativeDecl(); while (S && !S->isDeclScope(D)) S = S->getParent(); @@ -22220,7 +22224,7 @@ static ExprResult buildUserDefinedMapperRef(Sema &SemaRef, Scope *S, return UnresolvedLookupExpr::Create( SemaRef.Context, /*NamingClass=*/nullptr, MapperIdScopeSpec.getWithLocInContext(SemaRef.Context), MapperId, - /*ADL=*/false, /*Overloaded=*/true, URS.begin(), URS.end()); + /*ADL=*/false, URS.begin(), URS.end(), /*KnownDependent=*/false); } SourceLocation Loc = MapperId.getLoc(); // [OpenMP 5.0], 2.19.7.3 declare mapper Directive, Restrictions @@ -22480,13 +22484,13 @@ static void checkMappableExpressionList( (void)I; QualType Type; auto *ASE = dyn_cast(VE->IgnoreParens()); - auto *OASE = dyn_cast(VE->IgnoreParens()); + auto *OASE = dyn_cast(VE->IgnoreParens()); auto *OAShE = dyn_cast(VE->IgnoreParens()); if (ASE) { Type = ASE->getType().getNonReferenceType(); } else if (OASE) { QualType BaseType = - OMPArraySectionExpr::getBaseOriginalType(OASE->getBase()); + ArraySectionExpr::getBaseOriginalType(OASE->getBase()); if (const auto *ATy = BaseType->getAsArrayTypeUnsafe()) Type = ATy->getElementType(); else @@ -23498,7 +23502,9 @@ void SemaOpenMP::DiagnoseUnterminatedOpenMPDeclareTarget() { NamedDecl *SemaOpenMP::lookupOpenMPDeclareTargetName( Scope *CurScope, CXXScopeSpec &ScopeSpec, const DeclarationNameInfo &Id) { LookupResult Lookup(SemaRef, Id, Sema::LookupOrdinaryName); - SemaRef.LookupParsedName(Lookup, CurScope, &ScopeSpec, true); + SemaRef.LookupParsedName(Lookup, CurScope, &ScopeSpec, + /*ObjectType=*/QualType(), + /*AllowBuiltinCreation=*/true); if (Lookup.isAmbiguous()) return nullptr; @@ -23955,7 +23961,7 @@ SemaOpenMP::ActOnOpenMPUseDeviceAddrClause(ArrayRef VarList, MVLI.VarBaseDeclarations.push_back(D); MVLI.VarComponents.emplace_back(); Expr *Component = SimpleRefExpr; - if (VD && (isa(RefExpr->IgnoreParenImpCasts()) || + if (VD && (isa(RefExpr->IgnoreParenImpCasts()) || isa(RefExpr->IgnoreParenImpCasts()))) Component = SemaRef.DefaultFunctionArrayLvalueConversion(SimpleRefExpr).get(); @@ -24105,7 +24111,7 @@ SemaOpenMP::ActOnOpenMPHasDeviceAddrClause(ArrayRef VarList, // against other clauses later on. Expr *Component = SimpleRefExpr; auto *VD = dyn_cast(D); - if (VD && (isa(RefExpr->IgnoreParenImpCasts()) || + if (VD && (isa(RefExpr->IgnoreParenImpCasts()) || isa(RefExpr->IgnoreParenImpCasts()))) Component = SemaRef.DefaultFunctionArrayLvalueConversion(SimpleRefExpr).get(); @@ -24519,7 +24525,7 @@ OMPClause *SemaOpenMP::ActOnOpenMPAffinityClause( Sema::TentativeAnalysisScope Trap(SemaRef); Res = SemaRef.CreateBuiltinUnaryOp(ELoc, UO_AddrOf, SimpleExpr); } - if (!Res.isUsable() && !isa(SimpleExpr) && + if (!Res.isUsable() && !isa(SimpleExpr) && !isa(SimpleExpr)) { Diag(ELoc, diag::err_omp_expected_addressable_lvalue_or_array_item) << 1 << 0 << RefExpr->getSourceRange(); @@ -24632,7 +24638,7 @@ ExprResult SemaOpenMP::ActOnOMPArraySectionExpr( Expr *Stride, SourceLocation RBLoc) { ASTContext &Context = getASTContext(); if (Base->hasPlaceholderType() && - !Base->hasPlaceholderType(BuiltinType::OMPArraySection)) { + !Base->hasPlaceholderType(BuiltinType::ArraySection)) { ExprResult Result = SemaRef.CheckPlaceholderExpr(Base); if (Result.isInvalid()) return ExprError(); @@ -24672,13 +24678,13 @@ ExprResult SemaOpenMP::ActOnOMPArraySectionExpr( (LowerBound->isTypeDependent() || LowerBound->isValueDependent())) || (Length && (Length->isTypeDependent() || Length->isValueDependent())) || (Stride && (Stride->isTypeDependent() || Stride->isValueDependent()))) { - return new (Context) OMPArraySectionExpr( + return new (Context) ArraySectionExpr( Base, LowerBound, Length, Stride, Context.DependentTy, VK_LValue, OK_Ordinary, ColonLocFirst, ColonLocSecond, RBLoc); } // Perform default conversions. - QualType OriginalTy = OMPArraySectionExpr::getBaseOriginalType(Base); + QualType OriginalTy = ArraySectionExpr::getBaseOriginalType(Base); QualType ResultTy; if (OriginalTy->isAnyPointerType()) { ResultTy = OriginalTy->getPointeeType(); @@ -24801,14 +24807,14 @@ ExprResult SemaOpenMP::ActOnOMPArraySectionExpr( } } - if (!Base->hasPlaceholderType(BuiltinType::OMPArraySection)) { + if (!Base->hasPlaceholderType(BuiltinType::ArraySection)) { ExprResult Result = SemaRef.DefaultFunctionArrayLvalueConversion(Base); if (Result.isInvalid()) return ExprError(); Base = Result.get(); } - return new (Context) OMPArraySectionExpr( - Base, LowerBound, Length, Stride, Context.OMPArraySectionTy, VK_LValue, + return new (Context) ArraySectionExpr( + Base, LowerBound, Length, Stride, Context.ArraySectionTy, VK_LValue, OK_Ordinary, ColonLocFirst, ColonLocSecond, RBLoc); } diff --git a/clang/lib/Sema/SemaOverload.cpp b/clang/lib/Sema/SemaOverload.cpp index adc319e97b76250c24a5b207489e3f2272fecabc..04cd9e78739d209b176d8cc5aba80fe87a440762 100644 --- a/clang/lib/Sema/SemaOverload.cpp +++ b/clang/lib/Sema/SemaOverload.cpp @@ -6563,11 +6563,14 @@ diagnoseNoViableConversion(Sema &SemaRef, SourceLocation Loc, Expr *&From, HadMultipleCandidates); if (Result.isInvalid()) return true; - // Record usage of conversion in an implicit cast. - From = ImplicitCastExpr::Create(SemaRef.Context, Result.get()->getType(), - CK_UserDefinedConversion, Result.get(), - nullptr, Result.get()->getValueKind(), - SemaRef.CurFPFeatureOverrides()); + + // Replace the conversion with a RecoveryExpr, so we don't try to + // instantiate it later, but can further diagnose here. + Result = SemaRef.CreateRecoveryExpr(From->getBeginLoc(), From->getEndLoc(), + From, Result.get()->getType()); + if (Result.isInvalid()) + return true; + From = Result.get(); } return false; } @@ -14258,20 +14261,14 @@ ExprResult Sema::BuildOverloadedCallExpr(Scope *S, Expr *Fn, OverloadResult, AllowTypoCorrection); } -static bool IsOverloaded(const UnresolvedSetImpl &Functions) { - return Functions.size() > 1 || - (Functions.size() == 1 && - isa((*Functions.begin())->getUnderlyingDecl())); -} - ExprResult Sema::CreateUnresolvedLookupExpr(CXXRecordDecl *NamingClass, NestedNameSpecifierLoc NNSLoc, DeclarationNameInfo DNI, const UnresolvedSetImpl &Fns, bool PerformADL) { return UnresolvedLookupExpr::Create(Context, NamingClass, NNSLoc, DNI, - PerformADL, IsOverloaded(Fns), - Fns.begin(), Fns.end()); + PerformADL, Fns.begin(), Fns.end(), + /*KnownDependent=*/false); } ExprResult Sema::BuildCXXMemberCallExpr(Expr *E, NamedDecl *FoundDecl, diff --git a/clang/lib/Sema/SemaRISCVVectorLookup.cpp b/clang/lib/Sema/SemaRISCVVectorLookup.cpp index bf89a4ac51afd22e5660fac5e5a0f364733aa154..26e13e87b1d6b65a0abb1fd964dfe097a2a6d422 100644 --- a/clang/lib/Sema/SemaRISCVVectorLookup.cpp +++ b/clang/lib/Sema/SemaRISCVVectorLookup.cpp @@ -216,6 +216,7 @@ void RISCVIntrinsicManagerImpl::ConstructRVVIntrinsics( {"zvksed", RVV_REQ_Zvksed}, {"zvksh", RVV_REQ_Zvksh}, {"zvfbfwma", RVV_REQ_Zvfbfwma}, + {"zvfbfmin", RVV_REQ_Zvfbfmin}, {"experimental", RVV_REQ_Experimental}}; // Construction of RVVIntrinsicRecords need to sync with createRVVIntrinsics diff --git a/clang/lib/Sema/SemaStmtAttr.cpp b/clang/lib/Sema/SemaStmtAttr.cpp index a0339273a0ba35ec6826ae58ab2e9f1e683cf2a0..1c84830b6ddd2e6de81be299fb907a8a5eb78c1e 100644 --- a/clang/lib/Sema/SemaStmtAttr.cpp +++ b/clang/lib/Sema/SemaStmtAttr.cpp @@ -109,9 +109,16 @@ static Attr *handleLoopHintAttr(Sema &S, Stmt *St, const ParsedAttr &A, SetHints(LoopHintAttr::Unroll, LoopHintAttr::Disable); } else if (PragmaName == "unroll") { // #pragma unroll N - if (ValueExpr) - SetHints(LoopHintAttr::UnrollCount, LoopHintAttr::Numeric); - else + if (ValueExpr) { + if (!ValueExpr->isValueDependent()) { + auto Value = ValueExpr->EvaluateKnownConstInt(S.getASTContext()); + if (Value.isZero() || Value.isOne()) + SetHints(LoopHintAttr::Unroll, LoopHintAttr::Disable); + else + SetHints(LoopHintAttr::UnrollCount, LoopHintAttr::Numeric); + } else + SetHints(LoopHintAttr::UnrollCount, LoopHintAttr::Numeric); + } else SetHints(LoopHintAttr::Unroll, LoopHintAttr::Enable); } else if (PragmaName == "nounroll_and_jam") { SetHints(LoopHintAttr::UnrollAndJam, LoopHintAttr::Disable); @@ -142,7 +149,8 @@ static Attr *handleLoopHintAttr(Sema &S, Stmt *St, const ParsedAttr &A, if (Option == LoopHintAttr::VectorizeWidth) { assert((ValueExpr || (StateLoc && StateLoc->Ident)) && "Attribute must have a valid value expression or argument."); - if (ValueExpr && S.CheckLoopHintExpr(ValueExpr, St->getBeginLoc())) + if (ValueExpr && S.CheckLoopHintExpr(ValueExpr, St->getBeginLoc(), + /*AllowZero=*/false)) return nullptr; if (StateLoc && StateLoc->Ident && StateLoc->Ident->isStr("scalable")) State = LoopHintAttr::ScalableWidth; @@ -152,7 +160,8 @@ static Attr *handleLoopHintAttr(Sema &S, Stmt *St, const ParsedAttr &A, Option == LoopHintAttr::UnrollCount || Option == LoopHintAttr::PipelineInitiationInterval) { assert(ValueExpr && "Attribute must have a valid value expression."); - if (S.CheckLoopHintExpr(ValueExpr, St->getBeginLoc())) + if (S.CheckLoopHintExpr(ValueExpr, St->getBeginLoc(), + /*AllowZero=*/false)) return nullptr; State = LoopHintAttr::Numeric; } else if (Option == LoopHintAttr::Vectorize || diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp index f4b6e1ceb6f023971a06da5f5fdd71fde4401f98..7f18631c6096d1b04a62c05fa42b8e933818238c 100644 --- a/clang/lib/Sema/SemaTemplate.cpp +++ b/clang/lib/Sema/SemaTemplate.cpp @@ -210,10 +210,11 @@ TemplateNameKind Sema::isTemplateName(Scope *S, AssumedTemplateKind AssumedTemplate; LookupResult R(*this, TName, Name.getBeginLoc(), LookupOrdinaryName); if (LookupTemplateName(R, S, SS, ObjectType, EnteringContext, - MemberOfUnknownSpecialization, SourceLocation(), + /*RequiredTemplate=*/SourceLocation(), &AssumedTemplate, /*AllowTypoCorrection=*/!Disambiguation)) return TNK_Non_template; + MemberOfUnknownSpecialization = R.wasNotFoundInCurrentInstantiation(); if (AssumedTemplate != AssumedTemplateKind::None) { TemplateResult = TemplateTy::make(Context.getAssumedTemplateName(TName)); @@ -320,15 +321,12 @@ TemplateNameKind Sema::isTemplateName(Scope *S, bool Sema::isDeductionGuideName(Scope *S, const IdentifierInfo &Name, SourceLocation NameLoc, CXXScopeSpec &SS, ParsedTemplateTy *Template /*=nullptr*/) { - bool MemberOfUnknownSpecialization = false; - // We could use redeclaration lookup here, but we don't need to: the // syntactic form of a deduction guide is enough to identify it even // if we can't look up the template name at all. LookupResult R(*this, DeclarationName(&Name), NameLoc, LookupOrdinaryName); if (LookupTemplateName(R, S, SS, /*ObjectType*/ QualType(), - /*EnteringContext*/ false, - MemberOfUnknownSpecialization)) + /*EnteringContext*/ false)) return false; if (R.empty()) return false; @@ -374,11 +372,8 @@ bool Sema::DiagnoseUnknownTemplateName(const IdentifierInfo &II, return true; } -bool Sema::LookupTemplateName(LookupResult &Found, - Scope *S, CXXScopeSpec &SS, - QualType ObjectType, - bool EnteringContext, - bool &MemberOfUnknownSpecialization, +bool Sema::LookupTemplateName(LookupResult &Found, Scope *S, CXXScopeSpec &SS, + QualType ObjectType, bool EnteringContext, RequiredTemplateKind RequiredTemplate, AssumedTemplateKind *ATK, bool AllowTypoCorrection) { @@ -391,7 +386,6 @@ bool Sema::LookupTemplateName(LookupResult &Found, Found.setTemplateNameLookup(true); // Determine where to perform name lookup - MemberOfUnknownSpecialization = false; DeclContext *LookupCtx = nullptr; bool IsDependent = false; if (!ObjectType.isNull()) { @@ -548,7 +542,7 @@ bool Sema::LookupTemplateName(LookupResult &Found, FilterAcceptableTemplateNames(Found, AllowFunctionTemplatesInLookup); if (Found.empty()) { if (IsDependent) { - MemberOfUnknownSpecialization = true; + Found.setNotFoundInCurrentInstantiation(); return false; } @@ -2962,19 +2956,6 @@ void DeclareImplicitDeductionGuidesForTypeAlias( Context.getCanonicalTemplateArgument( Context.getInjectedTemplateArg(NewParam)); } - // Substitute new template parameters into requires-clause if present. - Expr *RequiresClause = - transformRequireClause(SemaRef, F, TemplateArgsForBuildingFPrime); - // FIXME: implement the is_deducible constraint per C++ - // [over.match.class.deduct]p3.3: - // ... and a constraint that is satisfied if and only if the arguments - // of A are deducible (see below) from the return type. - auto *FPrimeTemplateParamList = TemplateParameterList::Create( - Context, AliasTemplate->getTemplateParameters()->getTemplateLoc(), - AliasTemplate->getTemplateParameters()->getLAngleLoc(), - FPrimeTemplateParams, - AliasTemplate->getTemplateParameters()->getRAngleLoc(), - /*RequiresClause=*/RequiresClause); // To form a deduction guide f' from f, we leverage clang's instantiation // mechanism, we construct a template argument list where the template @@ -3020,6 +3001,20 @@ void DeclareImplicitDeductionGuidesForTypeAlias( F, TemplateArgListForBuildingFPrime, AliasTemplate->getLocation(), Sema::CodeSynthesisContext::BuildingDeductionGuides)) { auto *GG = cast(FPrime); + // Substitute new template parameters into requires-clause if present. + Expr *RequiresClause = + transformRequireClause(SemaRef, F, TemplateArgsForBuildingFPrime); + // FIXME: implement the is_deducible constraint per C++ + // [over.match.class.deduct]p3.3: + // ... and a constraint that is satisfied if and only if the arguments + // of A are deducible (see below) from the return type. + auto *FPrimeTemplateParamList = TemplateParameterList::Create( + Context, AliasTemplate->getTemplateParameters()->getTemplateLoc(), + AliasTemplate->getTemplateParameters()->getLAngleLoc(), + FPrimeTemplateParams, + AliasTemplate->getTemplateParameters()->getRAngleLoc(), + /*RequiresClause=*/RequiresClause); + buildDeductionGuide(SemaRef, AliasTemplate, FPrimeTemplateParamList, GG->getCorrespondingConstructor(), GG->getExplicitSpecifier(), GG->getTypeSourceInfo(), @@ -3044,6 +3039,11 @@ FunctionTemplateDecl *DeclareAggregateDeductionGuideForTypeAlias( return nullptr; LocalInstantiationScope Scope(SemaRef); + Sema::InstantiatingTemplate BuildingDeductionGuides( + SemaRef, AliasTemplate->getLocation(), RHSDeductionGuide, + Sema::InstantiatingTemplate::BuildingDeductionGuidesTag{}); + if (BuildingDeductionGuides.isInvalid()) + return nullptr; // Build a new template parameter list for the synthesized aggregate deduction // guide by transforming the one from RHSDeductionGuide. @@ -5589,11 +5589,9 @@ Sema::BuildQualifiedTemplateIdExpr(CXXScopeSpec &SS, RequireCompleteDeclContext(SS, DC)) return BuildDependentDeclRefExpr(SS, TemplateKWLoc, NameInfo, TemplateArgs); - bool MemberOfUnknownSpecialization; LookupResult R(*this, NameInfo, LookupOrdinaryName); if (LookupTemplateName(R, (Scope *)nullptr, SS, QualType(), - /*Entering*/false, MemberOfUnknownSpecialization, - TemplateKWLoc)) + /*Entering*/ false, TemplateKWLoc)) return ExprError(); if (R.isAmbiguous()) @@ -5714,14 +5712,13 @@ TemplateNameKind Sema::ActOnTemplateName(Scope *S, DeclarationNameInfo DNI = GetNameFromUnqualifiedId(Name); LookupResult R(*this, DNI.getName(), Name.getBeginLoc(), LookupOrdinaryName); - bool MOUS; // Tell LookupTemplateName that we require a template so that it diagnoses // cases where it finds a non-template. RequiredTemplateKind RTK = TemplateKWLoc.isValid() ? RequiredTemplateKind(TemplateKWLoc) : TemplateNameIsRequired; - if (!LookupTemplateName(R, S, SS, ObjectType.get(), EnteringContext, MOUS, - RTK, nullptr, /*AllowTypoCorrection=*/false) && + if (!LookupTemplateName(R, S, SS, ObjectType.get(), EnteringContext, RTK, + /*ATK=*/nullptr, /*AllowTypoCorrection=*/false) && !R.isAmbiguous()) { if (LookupCtx) Diag(Name.getBeginLoc(), diag::err_no_member) @@ -5810,7 +5807,7 @@ bool Sema::CheckTemplateTypeArgument( if (auto *II = NameInfo.getName().getAsIdentifierInfo()) { LookupResult Result(*this, NameInfo, LookupOrdinaryName); - LookupParsedName(Result, CurScope, &SS); + LookupParsedName(Result, CurScope, &SS, /*ObjectType=*/QualType()); if (Result.getAsSingle() || Result.getResultKind() == @@ -7700,7 +7697,7 @@ ExprResult Sema::CheckTemplateArgument(NonTypeTemplateParmDecl *Param, // FIXME: The language rules don't say what happens in this case. // FIXME: We get an opaque dependent type out of decltype(auto) if the // expression is merely instantiation-dependent; is this enough? - if (CTAK == CTAK_Deduced && Arg->isTypeDependent()) { + if (Arg->isTypeDependent()) { auto *AT = dyn_cast(DeducedT); if (AT && AT->isDecltypeAuto()) { SugaredConverted = TemplateArgument(Arg); @@ -8432,10 +8429,9 @@ void Sema::NoteTemplateParameterLocation(const NamedDecl &Decl) { /// declaration and the type of its corresponding non-type template /// parameter, produce an expression that properly refers to that /// declaration. -ExprResult -Sema::BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg, - QualType ParamType, - SourceLocation Loc) { +ExprResult Sema::BuildExpressionFromDeclTemplateArgument( + const TemplateArgument &Arg, QualType ParamType, SourceLocation Loc, + NamedDecl *TemplateParam) { // C++ [temp.param]p8: // // A non-type template-parameter of type "array of T" or @@ -8502,6 +8498,18 @@ Sema::BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg, } else { assert(ParamType->isReferenceType() && "unexpected type for decl template argument"); + if (NonTypeTemplateParmDecl *NTTP = + dyn_cast_if_present(TemplateParam)) { + QualType TemplateParamType = NTTP->getType(); + const AutoType *AT = TemplateParamType->getAs(); + if (AT && AT->isDecltypeAuto()) { + RefExpr = new (getASTContext()) SubstNonTypeTemplateParmExpr( + ParamType->getPointeeType(), RefExpr.get()->getValueKind(), + RefExpr.get()->getExprLoc(), RefExpr.get(), VD, NTTP->getIndex(), + /*PackIndex=*/std::nullopt, + /*RefParam=*/true); + } + } } // At this point we should have the right value category. @@ -9454,6 +9462,7 @@ DeclResult Sema::ActOnClassTemplateSpecialization( Diag(TemplateNameLoc, diag::err_partial_spec_fully_specialized) << ClassTemplate->getDeclName(); isPartialSpecialization = false; + Invalid = true; } } @@ -9669,6 +9678,7 @@ DeclResult Sema::ActOnClassTemplateSpecialization( if (SkipBody && SkipBody->ShouldSkip) return SkipBody->Previous; + Specialization->setInvalidDecl(Invalid); return Specialization; } @@ -11171,7 +11181,8 @@ DeclResult Sema::ActOnExplicitInstantiation(Scope *S, : TSK_ExplicitInstantiationDeclaration; LookupResult Previous(*this, NameInfo, LookupOrdinaryName); - LookupParsedName(Previous, S, &D.getCXXScopeSpec()); + LookupParsedName(Previous, S, &D.getCXXScopeSpec(), + /*ObjectType=*/QualType()); if (!R->isFunctionType()) { // C++ [temp.explicit]p1: diff --git a/clang/lib/Sema/SemaTemplateDeduction.cpp b/clang/lib/Sema/SemaTemplateDeduction.cpp index 0b6375001f532623a3a86b0fcf57f163e7afc07b..e93f7bd842e444754103aae890aa4da60f4bf5e1 100644 --- a/clang/lib/Sema/SemaTemplateDeduction.cpp +++ b/clang/lib/Sema/SemaTemplateDeduction.cpp @@ -1914,6 +1914,9 @@ static TemplateDeductionResult DeduceTemplateArgumentsByTypeMatch( if (!S.isCompleteType(Info.getLocation(), A)) return Result; + if (getCanonicalRD(A)->isInvalidDecl()) + return Result; + // Reset the incorrectly deduced argument from above. Deduced = DeducedOrig; @@ -2636,7 +2639,8 @@ static bool isSameTemplateArg(ASTContext &Context, /// argument. TemplateArgumentLoc Sema::getTrivialTemplateArgumentLoc(const TemplateArgument &Arg, - QualType NTTPType, SourceLocation Loc) { + QualType NTTPType, SourceLocation Loc, + NamedDecl *TemplateParam) { switch (Arg.getKind()) { case TemplateArgument::Null: llvm_unreachable("Can't get a NULL template argument here"); @@ -2648,7 +2652,8 @@ Sema::getTrivialTemplateArgumentLoc(const TemplateArgument &Arg, case TemplateArgument::Declaration: { if (NTTPType.isNull()) NTTPType = Arg.getParamTypeForDecl(); - Expr *E = BuildExpressionFromDeclTemplateArgument(Arg, NTTPType, Loc) + Expr *E = BuildExpressionFromDeclTemplateArgument(Arg, NTTPType, Loc, + TemplateParam) .getAs(); return TemplateArgumentLoc(TemplateArgument(E), E); } @@ -2715,8 +2720,8 @@ static bool ConvertDeducedTemplateArgument( // Convert the deduced template argument into a template // argument that we can check, almost as if the user had written // the template argument explicitly. - TemplateArgumentLoc ArgLoc = - S.getTrivialTemplateArgumentLoc(Arg, QualType(), Info.getLocation()); + TemplateArgumentLoc ArgLoc = S.getTrivialTemplateArgumentLoc( + Arg, QualType(), Info.getLocation(), Param); // Check the template argument, converting it as necessary. return S.CheckTemplateArgument( diff --git a/clang/lib/Sema/SemaTemplateInstantiate.cpp b/clang/lib/Sema/SemaTemplateInstantiate.cpp index 7cd428de0bb32d2a29d36e1bf60b638b0bd6b315..3a9fd906b7af86ad4d501d0d2f0045739179a5f3 100644 --- a/clang/lib/Sema/SemaTemplateInstantiate.cpp +++ b/clang/lib/Sema/SemaTemplateInstantiate.cpp @@ -2150,13 +2150,26 @@ TemplateInstantiator::TransformLoopHintAttr(const LoopHintAttr *LH) { return LH; // Generate error if there is a problem with the value. - if (getSema().CheckLoopHintExpr(TransformedExpr, LH->getLocation())) + if (getSema().CheckLoopHintExpr(TransformedExpr, LH->getLocation(), + LH->getSemanticSpelling() == + LoopHintAttr::Pragma_unroll)) return LH; + LoopHintAttr::OptionType Option = LH->getOption(); + LoopHintAttr::LoopHintState State = LH->getState(); + + llvm::APSInt ValueAPS = + TransformedExpr->EvaluateKnownConstInt(getSema().getASTContext()); + // The values of 0 and 1 block any unrolling of the loop. + if (ValueAPS.isZero() || ValueAPS.isOne()) { + Option = LoopHintAttr::Unroll; + State = LoopHintAttr::Disable; + } + // Create new LoopHintValueAttr with integral expression in place of the // non-type template parameter. - return LoopHintAttr::CreateImplicit(getSema().Context, LH->getOption(), - LH->getState(), TransformedExpr, *LH); + return LoopHintAttr::CreateImplicit(getSema().Context, Option, State, + TransformedExpr, *LH); } const NoInlineAttr *TemplateInstantiator::TransformStmtNoInlineAttr( const Stmt *OrigS, const Stmt *InstS, const NoInlineAttr *A) { @@ -2501,10 +2514,7 @@ TemplateInstantiator::TransformTemplateTypeParmType(TypeLocBuilder &TLB, assert(Arg.getKind() == TemplateArgument::Type && "unexpected nontype template argument kind in template rewrite"); QualType NewT = Arg.getAsType(); - assert(isa(NewT) && - "type parm not rewritten to type parm"); - auto NewTL = TLB.push(NewT); - NewTL.setNameLoc(TL.getNameLoc()); + TLB.pushTrivial(SemaRef.Context, NewT, TL.getNameLoc()); return NewT; } diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp index caa07abb61fe349b91ec5aeb101dde2da5725328..d544cfac55ba36c057e6fa84667470061df929f9 100644 --- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp +++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp @@ -5101,6 +5101,14 @@ void Sema::InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, EnterExpressionEvaluationContext EvalContext( *this, Sema::ExpressionEvaluationContext::PotentiallyEvaluated); + Qualifiers ThisTypeQuals; + CXXRecordDecl *ThisContext = nullptr; + if (CXXMethodDecl *Method = dyn_cast(Function)) { + ThisContext = Method->getParent(); + ThisTypeQuals = Method->getMethodQualifiers(); + } + CXXThisScopeRAII ThisScope(*this, ThisContext, ThisTypeQuals); + // Introduce a new scope where local variable instantiations will be // recorded, unless we're actually a member function within a local // class, in which case we need to merge our results with the parent @@ -5176,6 +5184,7 @@ void Sema::InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, ParmVarDecl *Parm = Function->getParamDecl(0); TypeSourceInfo *NewParmSI = IR.TransformType(Parm->getTypeSourceInfo()); + assert(NewParmSI && "Type transformation failed."); Parm->setType(NewParmSI->getType()); Parm->setTypeSourceInfo(NewParmSI); }; diff --git a/clang/lib/Sema/SemaTemplateVariadic.cpp b/clang/lib/Sema/SemaTemplateVariadic.cpp index 4909414c0c78d44851e609bbdee99e4ccc213d5e..a4b681ae4f008ec81c6f967fe8935f4080109a9c 100644 --- a/clang/lib/Sema/SemaTemplateVariadic.cpp +++ b/clang/lib/Sema/SemaTemplateVariadic.cpp @@ -1085,9 +1085,11 @@ ExprResult Sema::ActOnPackIndexingExpr(Scope *S, Expr *PackExpression, SourceLocation RSquareLoc) { bool isParameterPack = ::isParameterPack(PackExpression); if (!isParameterPack) { - CorrectDelayedTyposInExpr(IndexExpr); - Diag(PackExpression->getBeginLoc(), diag::err_expected_name_of_pack) - << PackExpression; + if (!PackExpression->containsErrors()) { + CorrectDelayedTyposInExpr(IndexExpr); + Diag(PackExpression->getBeginLoc(), diag::err_expected_name_of_pack) + << PackExpression; + } return ExprError(); } ExprResult Res = diff --git a/clang/lib/Sema/SemaType.cpp b/clang/lib/Sema/SemaType.cpp index 1b31df8d97fba2931ad741931725223ddb94c067..fddc3545ecb61c5b9a351e8b2554ebdf9de31251 100644 --- a/clang/lib/Sema/SemaType.cpp +++ b/clang/lib/Sema/SemaType.cpp @@ -4729,7 +4729,8 @@ static bool shouldHaveNullability(QualType T) { // It's unclear whether the pragma's behavior is useful for C++. // e.g. treating type-aliases and template-type-parameters differently // from types of declarations can be surprising. - !isa(T->getCanonicalTypeInternal()); + !isa( + T->getCanonicalTypeInternal()); } static TypeSourceInfo *GetFullTypeForDeclarator(TypeProcessingState &state, diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h index eb05783a6219dc6b55b161f95ad89a023f9295a2..dff7e9df636b966b2627572e2b2bc6d155f687eb 100644 --- a/clang/lib/Sema/TreeTransform.h +++ b/clang/lib/Sema/TreeTransform.h @@ -796,6 +796,9 @@ public: ParenExpr *PE, DependentScopeDeclRefExpr *DRE, bool IsAddressOfOperand, TypeSourceInfo **RecoveryTSI); + ExprResult TransformUnresolvedLookupExpr(UnresolvedLookupExpr *E, + bool IsAddressOfOperand); + StmtResult TransformOMPExecutableDirective(OMPExecutableDirective *S); // FIXME: We use LLVM_ATTRIBUTE_NOINLINE because inlining causes a ridiculous @@ -2781,15 +2784,23 @@ public: /// /// By default, performs semantic analysis to build the new expression. /// Subclasses may override this routine to provide different behavior. - ExprResult RebuildOMPArraySectionExpr(Expr *Base, SourceLocation LBracketLoc, - Expr *LowerBound, - SourceLocation ColonLocFirst, - SourceLocation ColonLocSecond, - Expr *Length, Expr *Stride, - SourceLocation RBracketLoc) { - return getSema().OpenMP().ActOnOMPArraySectionExpr( - Base, LBracketLoc, LowerBound, ColonLocFirst, ColonLocSecond, Length, - Stride, RBracketLoc); + ExprResult RebuildArraySectionExpr(bool IsOMPArraySection, Expr *Base, + SourceLocation LBracketLoc, + Expr *LowerBound, + SourceLocation ColonLocFirst, + SourceLocation ColonLocSecond, + Expr *Length, Expr *Stride, + SourceLocation RBracketLoc) { + if (IsOMPArraySection) + return getSema().OpenMP().ActOnOMPArraySectionExpr( + Base, LBracketLoc, LowerBound, ColonLocFirst, ColonLocSecond, Length, + Stride, RBracketLoc); + + assert(Stride == nullptr && !ColonLocSecond.isValid() && + "Stride/second colon not allowed for OpenACC"); + + return getSema().OpenACC().ActOnArraySectionExpr( + Base, LBracketLoc, LowerBound, ColonLocFirst, Length, RBracketLoc); } /// Build a new array shaping expression. @@ -3320,12 +3331,13 @@ public: /// Build a new C++ "this" expression. /// - /// By default, builds a new "this" expression without performing any - /// semantic analysis. Subclasses may override this routine to provide - /// different behavior. + /// By default, performs semantic analysis to build a new "this" expression. + /// Subclasses may override this routine to provide different behavior. ExprResult RebuildCXXThisExpr(SourceLocation ThisLoc, QualType ThisType, bool isImplicit) { + if (getSema().CheckCXXThisType(ThisLoc, ThisType)) + return ExprError(); return getSema().BuildCXXThisExpr(ThisLoc, ThisType, isImplicit); } @@ -4759,8 +4771,6 @@ public: const TemplateArgumentLoc *operator->() const { return &Arg; } }; - TemplateArgumentLocInventIterator() { } - explicit TemplateArgumentLocInventIterator(TreeTransform &Self, InputIterator Iter) : Self(Self), Iter(Iter) { } @@ -6647,6 +6657,10 @@ TreeTransform::TransformPackIndexingType(TypeLocBuilder &TLB, } } + // A pack indexing type can appear in a larger pack expansion, + // e.g. `Pack...[pack_of_indexes]...` + // so we need to temporarily disable substitution of pack elements + Sema::ArgumentPackSubstitutionIndexRAII SubstIndex(getSema(), -1); QualType Result = getDerived().TransformType(TLB, TL.getPatternLoc()); QualType Out = getDerived().RebuildPackIndexingType( @@ -10429,12 +10443,11 @@ TreeTransform::TransformOMPReductionClause(OMPReductionClause *C) { cast(getDerived().TransformDecl(E->getExprLoc(), D)); Decls.addDecl(InstD, InstD->getAccess()); } - UnresolvedReductions.push_back( - UnresolvedLookupExpr::Create( + UnresolvedReductions.push_back(UnresolvedLookupExpr::Create( SemaRef.Context, /*NamingClass=*/nullptr, - ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), - NameInfo, /*ADL=*/true, ULE->isOverloaded(), - Decls.begin(), Decls.end())); + ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), NameInfo, + /*ADL=*/true, Decls.begin(), Decls.end(), + /*KnownDependent=*/false)); } else UnresolvedReductions.push_back(nullptr); } @@ -10480,7 +10493,8 @@ OMPClause *TreeTransform::TransformOMPTaskReductionClause( UnresolvedReductions.push_back(UnresolvedLookupExpr::Create( SemaRef.Context, /*NamingClass=*/nullptr, ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), NameInfo, - /*ADL=*/true, ULE->isOverloaded(), Decls.begin(), Decls.end())); + /*ADL=*/true, Decls.begin(), Decls.end(), + /*KnownDependent=*/false)); } else UnresolvedReductions.push_back(nullptr); } @@ -10525,7 +10539,8 @@ TreeTransform::TransformOMPInReductionClause(OMPInReductionClause *C) { UnresolvedReductions.push_back(UnresolvedLookupExpr::Create( SemaRef.Context, /*NamingClass=*/nullptr, ReductionIdScopeSpec.getWithLocInContext(SemaRef.Context), NameInfo, - /*ADL=*/true, ULE->isOverloaded(), Decls.begin(), Decls.end())); + /*ADL=*/true, Decls.begin(), Decls.end(), + /*KnownDependent=*/false)); } else UnresolvedReductions.push_back(nullptr); } @@ -10706,8 +10721,8 @@ bool transformOMPMappableExprListClause( UnresolvedMappers.push_back(UnresolvedLookupExpr::Create( TT.getSema().Context, /*NamingClass=*/nullptr, MapperIdScopeSpec.getWithLocInContext(TT.getSema().Context), - MapperIdInfo, /*ADL=*/true, ULE->isOverloaded(), Decls.begin(), - Decls.end())); + MapperIdInfo, /*ADL=*/true, Decls.begin(), Decls.end(), + /*KnownDependent=*/false)); } else { UnresolvedMappers.push_back(nullptr); } @@ -11093,13 +11108,15 @@ template class OpenACCClauseTransform final : public OpenACCClauseVisitor> { TreeTransform &Self; + ArrayRef ExistingClauses; SemaOpenACC::OpenACCParsedClause &ParsedClause; OpenACCClause *NewClause = nullptr; public: OpenACCClauseTransform(TreeTransform &Self, + ArrayRef ExistingClauses, SemaOpenACC::OpenACCParsedClause &PC) - : Self(Self), ParsedClause(PC) {} + : Self(Self), ExistingClauses(ExistingClauses), ParsedClause(PC) {} OpenACCClause *CreatedClause() const { return NewClause; } @@ -11158,6 +11175,103 @@ void OpenACCClauseTransform::VisitSelfClause( ParsedClause.getLParenLoc(), ParsedClause.getConditionExpr(), ParsedClause.getEndLoc()); } + +template +void OpenACCClauseTransform::VisitNumGangsClause( + const OpenACCNumGangsClause &C) { + llvm::SmallVector InstantiatedIntExprs; + + for (Expr *CurIntExpr : C.getIntExprs()) { + ExprResult Res = Self.TransformExpr(CurIntExpr); + + if (!Res.isUsable()) + return; + + Res = Self.getSema().OpenACC().ActOnIntExpr(OpenACCDirectiveKind::Invalid, + C.getClauseKind(), + C.getBeginLoc(), Res.get()); + if (!Res.isUsable()) + return; + + InstantiatedIntExprs.push_back(Res.get()); + } + + ParsedClause.setIntExprDetails(InstantiatedIntExprs); + NewClause = OpenACCNumGangsClause::Create( + Self.getSema().getASTContext(), ParsedClause.getBeginLoc(), + ParsedClause.getLParenLoc(), ParsedClause.getIntExprs(), + ParsedClause.getEndLoc()); +} + +template +void OpenACCClauseTransform::VisitPrivateClause( + const OpenACCPrivateClause &C) { + llvm::SmallVector InstantiatedVarList; + + for (Expr *CurVar : C.getVarList()) { + ExprResult Res = Self.TransformExpr(CurVar); + + if (!Res.isUsable()) + return; + + Res = Self.getSema().OpenACC().ActOnVar(Res.get()); + + if (Res.isUsable()) + InstantiatedVarList.push_back(Res.get()); + } + ParsedClause.setVarListDetails(std::move(InstantiatedVarList)); + + NewClause = OpenACCPrivateClause::Create( + Self.getSema().getASTContext(), ParsedClause.getBeginLoc(), + ParsedClause.getLParenLoc(), ParsedClause.getVarList(), + ParsedClause.getEndLoc()); +} + +template +void OpenACCClauseTransform::VisitNumWorkersClause( + const OpenACCNumWorkersClause &C) { + Expr *IntExpr = const_cast(C.getIntExpr()); + assert(IntExpr && "num_workers clause constructed with invalid int expr"); + + ExprResult Res = Self.TransformExpr(IntExpr); + if (!Res.isUsable()) + return; + + Res = Self.getSema().OpenACC().ActOnIntExpr(OpenACCDirectiveKind::Invalid, + C.getClauseKind(), + C.getBeginLoc(), Res.get()); + if (!Res.isUsable()) + return; + + ParsedClause.setIntExprDetails(Res.get()); + NewClause = OpenACCNumWorkersClause::Create( + Self.getSema().getASTContext(), ParsedClause.getBeginLoc(), + ParsedClause.getLParenLoc(), ParsedClause.getIntExprs()[0], + ParsedClause.getEndLoc()); +} + +template +void OpenACCClauseTransform::VisitVectorLengthClause( + const OpenACCVectorLengthClause &C) { + Expr *IntExpr = const_cast(C.getIntExpr()); + assert(IntExpr && "vector_length clause constructed with invalid int expr"); + + ExprResult Res = Self.TransformExpr(IntExpr); + if (!Res.isUsable()) + return; + + Res = Self.getSema().OpenACC().ActOnIntExpr(OpenACCDirectiveKind::Invalid, + C.getClauseKind(), + C.getBeginLoc(), Res.get()); + if (!Res.isUsable()) + return; + + ParsedClause.setIntExprDetails(Res.get()); + NewClause = OpenACCVectorLengthClause::Create( + Self.getSema().getASTContext(), ParsedClause.getBeginLoc(), + ParsedClause.getLParenLoc(), ParsedClause.getIntExprs()[0], + ParsedClause.getEndLoc()); +} } // namespace template OpenACCClause *TreeTransform::TransformOpenACCClause( @@ -11171,7 +11285,8 @@ OpenACCClause *TreeTransform::TransformOpenACCClause( if (const auto *WithParms = dyn_cast(OldClause)) ParsedClause.setLParenLoc(WithParms->getLParenLoc()); - OpenACCClauseTransform Transform{*this, ParsedClause}; + OpenACCClauseTransform Transform{*this, ExistingClauses, + ParsedClause}; Transform.Visit(OldClause); return Transform.CreatedClause(); @@ -11421,7 +11536,11 @@ template ExprResult TreeTransform::TransformAddressOfOperand(Expr *E) { if (DependentScopeDeclRefExpr *DRE = dyn_cast(E)) - return getDerived().TransformDependentScopeDeclRefExpr(DRE, true, nullptr); + return getDerived().TransformDependentScopeDeclRefExpr( + DRE, /*IsAddressOfOperand=*/true, nullptr); + else if (UnresolvedLookupExpr *ULE = dyn_cast(E)) + return getDerived().TransformUnresolvedLookupExpr( + ULE, /*IsAddressOfOperand=*/true); else return getDerived().TransformExpr(E); } @@ -11663,7 +11782,7 @@ TreeTransform::TransformMatrixSubscriptExpr(MatrixSubscriptExpr *E) { template ExprResult -TreeTransform::TransformOMPArraySectionExpr(OMPArraySectionExpr *E) { +TreeTransform::TransformArraySectionExpr(ArraySectionExpr *E) { ExprResult Base = getDerived().TransformExpr(E->getBase()); if (Base.isInvalid()) return ExprError(); @@ -11683,20 +11802,25 @@ TreeTransform::TransformOMPArraySectionExpr(OMPArraySectionExpr *E) { } ExprResult Stride; - if (Expr *Str = E->getStride()) { - Stride = getDerived().TransformExpr(Str); - if (Stride.isInvalid()) - return ExprError(); + if (E->isOMPArraySection()) { + if (Expr *Str = E->getStride()) { + Stride = getDerived().TransformExpr(Str); + if (Stride.isInvalid()) + return ExprError(); + } } if (!getDerived().AlwaysRebuild() && Base.get() == E->getBase() && - LowerBound.get() == E->getLowerBound() && Length.get() == E->getLength()) + LowerBound.get() == E->getLowerBound() && + Length.get() == E->getLength() && + (E->isOpenACCArraySection() || Stride.get() == E->getStride())) return E; - return getDerived().RebuildOMPArraySectionExpr( - Base.get(), E->getBase()->getEndLoc(), LowerBound.get(), - E->getColonLocFirst(), E->getColonLocSecond(), Length.get(), Stride.get(), - E->getRBracketLoc()); + return getDerived().RebuildArraySectionExpr( + E->isOMPArraySection(), Base.get(), E->getBase()->getEndLoc(), + LowerBound.get(), E->getColonLocFirst(), + E->isOMPArraySection() ? E->getColonLocSecond() : SourceLocation{}, + Length.get(), Stride.get(), E->getRBracketLoc()); } template @@ -13125,13 +13249,39 @@ bool TreeTransform::TransformOverloadExprDecls(OverloadExpr *Old, // Resolve a kind, but don't do any further analysis. If it's // ambiguous, the callee needs to deal with it. R.resolveKind(); + + if (Old->hasTemplateKeyword() && !R.empty()) { + NamedDecl *FoundDecl = R.getRepresentativeDecl()->getUnderlyingDecl(); + getSema().FilterAcceptableTemplateNames(R, + /*AllowFunctionTemplates=*/true, + /*AllowDependent=*/true); + if (R.empty()) { + // If a 'template' keyword was used, a lookup that finds only non-template + // names is an error. + getSema().Diag(R.getNameLoc(), + diag::err_template_kw_refers_to_non_template) + << R.getLookupName() << Old->getQualifierLoc().getSourceRange() + << Old->hasTemplateKeyword() << Old->getTemplateKeywordLoc(); + getSema().Diag(FoundDecl->getLocation(), + diag::note_template_kw_refers_to_non_template) + << R.getLookupName(); + return true; + } + } + return false; } -template +template +ExprResult TreeTransform::TransformUnresolvedLookupExpr( + UnresolvedLookupExpr *Old) { + return TransformUnresolvedLookupExpr(Old, /*IsAddressOfOperand=*/false); +} + +template ExprResult -TreeTransform::TransformUnresolvedLookupExpr( - UnresolvedLookupExpr *Old) { +TreeTransform::TransformUnresolvedLookupExpr(UnresolvedLookupExpr *Old, + bool IsAddressOfOperand) { LookupResult R(SemaRef, Old->getName(), Old->getNameLoc(), Sema::LookupOrdinaryName); @@ -13163,26 +13313,8 @@ TreeTransform::TransformUnresolvedLookupExpr( R.setNamingClass(NamingClass); } + // Rebuild the template arguments, if any. SourceLocation TemplateKWLoc = Old->getTemplateKeywordLoc(); - - // If we have neither explicit template arguments, nor the template keyword, - // it's a normal declaration name or member reference. - if (!Old->hasExplicitTemplateArgs() && !TemplateKWLoc.isValid()) { - NamedDecl *D = R.getAsSingle(); - // In a C++11 unevaluated context, an UnresolvedLookupExpr might refer to an - // instance member. In other contexts, BuildPossibleImplicitMemberExpr will - // give a good diagnostic. - if (D && D->isCXXInstanceMember()) { - return SemaRef.BuildPossibleImplicitMemberExpr(SS, TemplateKWLoc, R, - /*TemplateArgs=*/nullptr, - /*Scope=*/nullptr); - } - - return getDerived().RebuildDeclarationNameExpr(SS, R, Old->requiresADL()); - } - - // If we have template arguments, rebuild them, then rebuild the - // templateid expression. TemplateArgumentListInfo TransArgs(Old->getLAngleLoc(), Old->getRAngleLoc()); if (Old->hasExplicitTemplateArgs() && getDerived().TransformTemplateArguments(Old->getTemplateArgs(), @@ -13192,6 +13324,23 @@ TreeTransform::TransformUnresolvedLookupExpr( return ExprError(); } + // An UnresolvedLookupExpr can refer to a class member. This occurs e.g. when + // a non-static data member is named in an unevaluated operand, or when + // a member is named in a dependent class scope function template explicit + // specialization that is neither declared static nor with an explicit object + // parameter. + if (SemaRef.isPotentialImplicitMemberAccess(SS, R, IsAddressOfOperand)) + return SemaRef.BuildPossibleImplicitMemberExpr( + SS, TemplateKWLoc, R, + Old->hasExplicitTemplateArgs() ? &TransArgs : nullptr, + /*S=*/nullptr); + + // If we have neither explicit template arguments, nor the template keyword, + // it's a normal declaration name or member reference. + if (!Old->hasExplicitTemplateArgs() && !TemplateKWLoc.isValid()) + return getDerived().RebuildDeclarationNameExpr(SS, R, Old->requiresADL()); + + // If we have template arguments, then rebuild the template-id expression. return getDerived().RebuildTemplateIdExpr(SS, TemplateKWLoc, R, Old->requiresADL(), &TransArgs); } @@ -14102,6 +14251,8 @@ TreeTransform::TransformLambdaExpr(LambdaExpr *E) { // FIXME: Sema's lambda-building mechanism expects us to push an expression // evaluation context even if we're not transforming the function body. getSema().PushExpressionEvaluationContext( + E->getCallOperator()->isConsteval() ? + Sema::ExpressionEvaluationContext::ImmediateFunctionContext : Sema::ExpressionEvaluationContext::PotentiallyEvaluated); Sema::CodeSynthesisContext C; diff --git a/clang/lib/Serialization/ASTCommon.cpp b/clang/lib/Serialization/ASTCommon.cpp index f8d54c0c3989064e43b250f4eb7208d197eba168..e017f5bdb48858b6b936145395b3bf858f124a71 100644 --- a/clang/lib/Serialization/ASTCommon.cpp +++ b/clang/lib/Serialization/ASTCommon.cpp @@ -261,8 +261,8 @@ serialization::TypeIdxFromBuiltin(const BuiltinType *BT) { case BuiltinType::IncompleteMatrixIdx: ID = PREDEF_TYPE_INCOMPLETE_MATRIX_IDX; break; - case BuiltinType::OMPArraySection: - ID = PREDEF_TYPE_OMP_ARRAY_SECTION; + case BuiltinType::ArraySection: + ID = PREDEF_TYPE_ARRAY_SECTION; break; case BuiltinType::OMPArrayShaping: ID = PREDEF_TYPE_OMP_ARRAY_SHAPING; diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp index b28df03b4a95e95a2a91e4103a9c458fd40197c4..29b81c1a753cf563e9f4e9361ec007b5dc108ea9 100644 --- a/clang/lib/Serialization/ASTReader.cpp +++ b/clang/lib/Serialization/ASTReader.cpp @@ -954,14 +954,16 @@ ASTSelectorLookupTrait::ReadData(Selector, const unsigned char* d, // Load instance methods for (unsigned I = 0; I != NumInstanceMethods; ++I) { if (ObjCMethodDecl *Method = Reader.GetLocalDeclAs( - F, endian::readNext(d))) + F, + LocalDeclID(endian::readNext(d)))) Result.Instance.push_back(Method); } // Load factory methods for (unsigned I = 0; I != NumFactoryMethods; ++I) { if (ObjCMethodDecl *Method = Reader.GetLocalDeclAs( - F, endian::readNext(d))) + F, + LocalDeclID(endian::readNext(d)))) Result.Factory.push_back(Method); } @@ -1088,10 +1090,11 @@ IdentifierInfo *ASTIdentifierLookupTrait::ReadData(const internal_key_type& k, // Read all of the declarations visible at global scope with this // name. if (DataLen > 0) { - SmallVector DeclIDs; - for (; DataLen > 0; DataLen -= 4) + SmallVector DeclIDs; + for (; DataLen > 0; DataLen -= sizeof(DeclID)) DeclIDs.push_back(Reader.getGlobalDeclID( - F, endian::readNext(d))); + F, + LocalDeclID(endian::readNext(d)))); Reader.SetGloballyVisibleDecls(II, DeclIDs); } @@ -1211,8 +1214,8 @@ void ASTDeclContextNameLookupTrait::ReadDataInto(internal_key_type, data_type_builder &Val) { using namespace llvm::support; - for (unsigned NumDecls = DataLen / 4; NumDecls; --NumDecls) { - uint32_t LocalID = endian::readNext(d); + for (unsigned NumDecls = DataLen / sizeof(DeclID); NumDecls; --NumDecls) { + LocalDeclID LocalID(endian::readNext(d)); Val.insert(Reader.getGlobalDeclID(F, LocalID)); } } @@ -1259,9 +1262,8 @@ bool ASTReader::ReadLexicalDeclContextStorage(ModuleFile &M, if (!Lex.first) { Lex = std::make_pair( &M, llvm::ArrayRef( - reinterpret_cast( - Blob.data()), - Blob.size() / 4)); + reinterpret_cast(Blob.data()), + Blob.size() / sizeof(DeclID))); } DC->setHasExternalLexicalStorage(true); return false; @@ -1270,7 +1272,7 @@ bool ASTReader::ReadLexicalDeclContextStorage(ModuleFile &M, bool ASTReader::ReadVisibleDeclContextStorage(ModuleFile &M, BitstreamCursor &Cursor, uint64_t Offset, - DeclID ID) { + GlobalDeclID ID) { assert(Offset != 0); SavedStreamPosition SavedPosition(Cursor); @@ -1653,7 +1655,7 @@ bool ASTReader::ReadSLocEntry(int ID) { unsigned NumFileDecls = Record[7]; if (NumFileDecls && ContextObj) { - const DeclID *FirstDecl = F->FileSortedDecls + Record[6]; + const LocalDeclID *FirstDecl = F->FileSortedDecls + Record[6]; assert(F->FileSortedDecls && "FILE_SORTED_DECLS not encountered yet ?"); FileDeclIDs[FID] = FileDeclsInfo(F, llvm::ArrayRef(FirstDecl, NumFileDecls)); @@ -2628,6 +2630,14 @@ InputFile ASTReader::getInputFile(ModuleFile &F, unsigned ID, bool Complain) { F.StandardCXXModule && FileChange.Kind == Change::None) FileChange = HasInputContentChanged(FileChange); + // When we have StoredTime equal to zero and ValidateASTInputFilesContent, + // it is better to check the content of the input files because we cannot rely + // on the file modification time, which will be the same (zero) for these + // files. + if (!StoredTime && ValidateASTInputFilesContent && + FileChange.Kind == Change::None) + FileChange = HasInputContentChanged(FileChange); + // For an overridden file, there is nothing to validate. if (!Overridden && FileChange.Kind != Change::None) { if (Complain && !Diags.isDiagnosticInFlight()) { @@ -3369,8 +3379,8 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, if (F.LocalNumDecls > 0) { // Introduce the global -> local mapping for declarations within this // module. - GlobalDeclMap.insert( - std::make_pair(getTotalNumDecls() + NUM_PREDEF_DECL_IDS, &F)); + GlobalDeclMap.insert(std::make_pair( + GlobalDeclID(getTotalNumDecls() + NUM_PREDEF_DECL_IDS), &F)); // Introduce the local -> global mapping for declarations within this // module. @@ -3389,9 +3399,8 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, case TU_UPDATE_LEXICAL: { DeclContext *TU = ContextObj->getTranslationUnitDecl(); LexicalContents Contents( - reinterpret_cast( - Blob.data()), - static_cast(Blob.size() / 4)); + reinterpret_cast(Blob.data()), + static_cast(Blob.size() / sizeof(DeclID))); TULexicalDecls.push_back(std::make_pair(&F, Contents)); TU->setHasExternalLexicalStorage(true); break; @@ -3399,7 +3408,7 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, case UPDATE_VISIBLE: { unsigned Idx = 0; - serialization::DeclID ID = ReadDeclID(F, Record, Idx); + GlobalDeclID ID = ReadDeclID(F, Record, Idx); auto *Data = (const unsigned char*)Blob.data(); PendingVisibleUpdates[ID].push_back(PendingVisibleUpdate{&F, Data}); // If we've already loaded the decl, perform the updates when we finish @@ -3460,7 +3469,8 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, // FIXME: Skip reading this record if our ASTConsumer doesn't care // about "interesting" decls (for instance, if we're building a module). for (unsigned I = 0, N = Record.size(); I != N; ++I) - EagerlyDeserializedDecls.push_back(getGlobalDeclID(F, Record[I])); + EagerlyDeserializedDecls.push_back( + getGlobalDeclID(F, LocalDeclID(Record[I]))); break; case MODULAR_CODEGEN_DECLS: @@ -3469,7 +3479,8 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, if (F.Kind == MK_MainFile || getContext().getLangOpts().BuildingPCHWithObjectFile) for (unsigned I = 0, N = Record.size(); I != N; ++I) - EagerlyDeserializedDecls.push_back(getGlobalDeclID(F, Record[I])); + EagerlyDeserializedDecls.push_back( + getGlobalDeclID(F, LocalDeclID(Record[I]))); break; case SPECIAL_TYPES: @@ -3501,12 +3512,14 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, case UNUSED_FILESCOPED_DECLS: for (unsigned I = 0, N = Record.size(); I != N; ++I) - UnusedFileScopedDecls.push_back(getGlobalDeclID(F, Record[I])); + UnusedFileScopedDecls.push_back( + getGlobalDeclID(F, LocalDeclID(Record[I]))); break; case DELEGATING_CTORS: for (unsigned I = 0, N = Record.size(); I != N; ++I) - DelegatingCtorDecls.push_back(getGlobalDeclID(F, Record[I])); + DelegatingCtorDecls.push_back( + getGlobalDeclID(F, LocalDeclID(Record[I]))); break; case WEAK_UNDECLARED_IDENTIFIERS: @@ -3614,7 +3627,7 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, break; case FILE_SORTED_DECLS: - F.FileSortedDecls = (const DeclID *)Blob.data(); + F.FileSortedDecls = (const LocalDeclID *)Blob.data(); F.NumFileSortedDecls = Record[0]; break; @@ -3669,7 +3682,7 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, case EXT_VECTOR_DECLS: for (unsigned I = 0, N = Record.size(); I != N; ++I) - ExtVectorDecls.push_back(getGlobalDeclID(F, Record[I])); + ExtVectorDecls.push_back(getGlobalDeclID(F, LocalDeclID(Record[I]))); break; case VTABLE_USES: @@ -3683,18 +3696,14 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, VTableUses.clear(); for (unsigned Idx = 0, N = Record.size(); Idx != N; /* In loop */) { - VTableUses.push_back(getGlobalDeclID(F, Record[Idx++])); VTableUses.push_back( - ReadSourceLocation(F, Record, Idx).getRawEncoding()); - VTableUses.push_back(Record[Idx++]); + {getGlobalDeclID(F, LocalDeclID(Record[Idx++])), + ReadSourceLocation(F, Record, Idx).getRawEncoding(), + (bool)Record[Idx++]}); } break; case PENDING_IMPLICIT_INSTANTIATIONS: - if (PendingInstantiations.size() % 2 != 0) - return llvm::createStringError( - std::errc::illegal_byte_sequence, - "Invalid existing PendingInstantiations"); if (Record.size() % 2 != 0) return llvm::createStringError( @@ -3702,9 +3711,9 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, "Invalid PENDING_IMPLICIT_INSTANTIATIONS block"); for (unsigned I = 0, N = Record.size(); I != N; /* in loop */) { - PendingInstantiations.push_back(getGlobalDeclID(F, Record[I++])); PendingInstantiations.push_back( - ReadSourceLocation(F, Record, I).getRawEncoding()); + {getGlobalDeclID(F, LocalDeclID(Record[I++])), + ReadSourceLocation(F, Record, I).getRawEncoding()}); } break; @@ -3713,7 +3722,7 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, return llvm::createStringError(std::errc::illegal_byte_sequence, "Invalid SEMA_DECL_REFS block"); for (unsigned I = 0, N = Record.size(); I != N; ++I) - SemaDeclRefs.push_back(getGlobalDeclID(F, Record[I])); + SemaDeclRefs.push_back(getGlobalDeclID(F, LocalDeclID(Record[I]))); break; case PPD_ENTITIES_OFFSETS: { @@ -3772,7 +3781,7 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, std::errc::illegal_byte_sequence, "invalid DECL_UPDATE_OFFSETS block in AST file"); for (unsigned I = 0, N = Record.size(); I != N; I += 2) { - GlobalDeclID ID = getGlobalDeclID(F, Record[I]); + GlobalDeclID ID = getGlobalDeclID(F, LocalDeclID(Record[I])); DeclUpdateOffsets[ID].push_back(std::make_pair(&F, Record[I + 1])); // If we've already loaded the decl, perform the updates when we finish @@ -3790,7 +3799,7 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, "invalid DELAYED_NAMESPACE_LEXICAL_VISIBLE_RECORD block in AST " "file"); for (unsigned I = 0, N = Record.size(); I != N; I += 3) { - GlobalDeclID ID = getGlobalDeclID(F, Record[I]); + GlobalDeclID ID = getGlobalDeclID(F, LocalDeclID(Record[I])); uint64_t BaseOffset = F.DeclsBlockStartOffset; assert(BaseOffset && "Invalid DeclsBlockStartOffset for module file!"); @@ -3825,7 +3834,8 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, // FIXME: Modules will have trouble with this. CUDASpecialDeclRefs.clear(); for (unsigned I = 0, N = Record.size(); I != N; ++I) - CUDASpecialDeclRefs.push_back(getGlobalDeclID(F, Record[I])); + CUDASpecialDeclRefs.push_back( + getGlobalDeclID(F, LocalDeclID(Record[I]))); break; case HEADER_SEARCH_TABLE: @@ -3866,32 +3876,30 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, case TENTATIVE_DEFINITIONS: for (unsigned I = 0, N = Record.size(); I != N; ++I) - TentativeDefinitions.push_back(getGlobalDeclID(F, Record[I])); + TentativeDefinitions.push_back( + getGlobalDeclID(F, LocalDeclID(Record[I]))); break; case KNOWN_NAMESPACES: for (unsigned I = 0, N = Record.size(); I != N; ++I) - KnownNamespaces.push_back(getGlobalDeclID(F, Record[I])); + KnownNamespaces.push_back(getGlobalDeclID(F, LocalDeclID(Record[I]))); break; case UNDEFINED_BUT_USED: - if (UndefinedButUsed.size() % 2 != 0) - return llvm::createStringError(std::errc::illegal_byte_sequence, - "Invalid existing UndefinedButUsed"); - if (Record.size() % 2 != 0) return llvm::createStringError(std::errc::illegal_byte_sequence, "invalid undefined-but-used record"); for (unsigned I = 0, N = Record.size(); I != N; /* in loop */) { - UndefinedButUsed.push_back(getGlobalDeclID(F, Record[I++])); UndefinedButUsed.push_back( - ReadSourceLocation(F, Record, I).getRawEncoding()); + {getGlobalDeclID(F, LocalDeclID(Record[I++])), + ReadSourceLocation(F, Record, I).getRawEncoding()}); } break; case DELETE_EXPRS_TO_ANALYZE: for (unsigned I = 0, N = Record.size(); I != N;) { - DelayedDeleteExprs.push_back(getGlobalDeclID(F, Record[I++])); + DelayedDeleteExprs.push_back( + getGlobalDeclID(F, LocalDeclID(Record[I++])).get()); const uint64_t Count = Record[I++]; DelayedDeleteExprs.push_back(Count); for (uint64_t C = 0; C < Count; ++C) { @@ -3976,7 +3984,7 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, case UNUSED_LOCAL_TYPEDEF_NAME_CANDIDATES: for (unsigned I = 0, N = Record.size(); I != N; ++I) UnusedLocalTypedefNameCandidates.push_back( - getGlobalDeclID(F, Record[I])); + getGlobalDeclID(F, LocalDeclID(Record[I]))); break; case CUDA_PRAGMA_FORCE_HOST_DEVICE_DEPTH: @@ -4032,7 +4040,8 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F, case DECLS_TO_CHECK_FOR_DEFERRED_DIAGS: for (unsigned I = 0, N = Record.size(); I != N; ++I) - DeclsToCheckForDeferredDiags.insert(getGlobalDeclID(F, Record[I])); + DeclsToCheckForDeferredDiags.insert( + getGlobalDeclID(F, LocalDeclID(Record[I]))); break; } } @@ -4655,9 +4664,8 @@ ASTReader::ASTReadResult ASTReader::ReadAST(StringRef FileName, ModuleKind Type, // that we load any additional categories. if (ContextObj) { for (unsigned I = 0, N = ObjCClassesLoaded.size(); I != N; ++I) { - loadObjCCategories(ObjCClassesLoaded[I]->getGlobalID(), - ObjCClassesLoaded[I], - PreviousGeneration); + loadObjCCategories(GlobalDeclID(ObjCClassesLoaded[I]->getGlobalID()), + ObjCClassesLoaded[I], PreviousGeneration); } } @@ -5101,8 +5109,9 @@ void ASTReader::InitializeContext() { // If there's a listener, notify them that we "read" the translation unit. if (DeserializationListener) - DeserializationListener->DeclRead(PREDEF_DECL_TRANSLATION_UNIT_ID, - Context.getTranslationUnitDecl()); + DeserializationListener->DeclRead( + GlobalDeclID(PREDEF_DECL_TRANSLATION_UNIT_ID), + Context.getTranslationUnitDecl()); // FIXME: Find a better way to deal with collisions between these // built-in types. Right now, we just ignore the problem. @@ -6010,9 +6019,9 @@ llvm::Error ASTReader::ReadSubmoduleBlock(ModuleFile &F, case SUBMODULE_INITIALIZERS: { if (!ContextObj) break; - SmallVector Inits; + SmallVector Inits; for (auto &ID : Record) - Inits.push_back(getGlobalDeclID(F, ID)); + Inits.push_back(getGlobalDeclID(F, LocalDeclID(ID))); ContextObj->addLazyModuleInitializers(CurrentModule, Inits); break; } @@ -7384,11 +7393,11 @@ QualType ASTReader::GetType(TypeID ID) { case PREDEF_TYPE_INCOMPLETE_MATRIX_IDX: T = Context.IncompleteMatrixIdxTy; break; - case PREDEF_TYPE_OMP_ARRAY_SECTION: - T = Context.OMPArraySectionTy; + case PREDEF_TYPE_ARRAY_SECTION: + T = Context.ArraySectionTy; break; case PREDEF_TYPE_OMP_ARRAY_SHAPING: - T = Context.OMPArraySectionTy; + T = Context.OMPArrayShapingTy; break; case PREDEF_TYPE_OMP_ITERATOR: T = Context.OMPIteratorTy; @@ -7517,9 +7526,7 @@ ASTRecordReader::readASTTemplateArgumentListInfo() { return ASTTemplateArgumentListInfo::Create(getContext(), Result); } -Decl *ASTReader::GetExternalDecl(uint32_t ID) { - return GetDecl(ID); -} +Decl *ASTReader::GetExternalDecl(GlobalDeclID ID) { return GetDecl(ID); } void ASTReader::CompleteRedeclChain(const Decl *D) { if (NumCurrentElementsDeserializing) { @@ -7652,44 +7659,45 @@ CXXBaseSpecifier *ASTReader::GetExternalCXXBaseSpecifiers(uint64_t Offset) { return Bases; } -serialization::DeclID -ASTReader::getGlobalDeclID(ModuleFile &F, LocalDeclID LocalID) const { - if (LocalID < NUM_PREDEF_DECL_IDS) - return LocalID; +GlobalDeclID ASTReader::getGlobalDeclID(ModuleFile &F, + LocalDeclID LocalID) const { + DeclID ID = LocalID.get(); + if (ID < NUM_PREDEF_DECL_IDS) + return GlobalDeclID(ID); if (!F.ModuleOffsetMap.empty()) ReadModuleOffsetMap(F); - ContinuousRangeMap::iterator I - = F.DeclRemap.find(LocalID - NUM_PREDEF_DECL_IDS); + ContinuousRangeMap::iterator I = + F.DeclRemap.find(ID - NUM_PREDEF_DECL_IDS); assert(I != F.DeclRemap.end() && "Invalid index into decl index remap"); - return LocalID + I->second; + return GlobalDeclID(ID + I->second); } -bool ASTReader::isDeclIDFromModule(serialization::GlobalDeclID ID, - ModuleFile &M) const { +bool ASTReader::isDeclIDFromModule(GlobalDeclID ID, ModuleFile &M) const { // Predefined decls aren't from any module. - if (ID < NUM_PREDEF_DECL_IDS) + if (ID.get() < NUM_PREDEF_DECL_IDS) return false; - return ID - NUM_PREDEF_DECL_IDS >= M.BaseDeclID && - ID - NUM_PREDEF_DECL_IDS < M.BaseDeclID + M.LocalNumDecls; + return ID.get() - NUM_PREDEF_DECL_IDS >= M.BaseDeclID && + ID.get() - NUM_PREDEF_DECL_IDS < M.BaseDeclID + M.LocalNumDecls; } ModuleFile *ASTReader::getOwningModuleFile(const Decl *D) { if (!D->isFromASTFile()) return nullptr; - GlobalDeclMapType::const_iterator I = GlobalDeclMap.find(D->getGlobalID()); + GlobalDeclMapType::const_iterator I = + GlobalDeclMap.find(GlobalDeclID(D->getGlobalID())); assert(I != GlobalDeclMap.end() && "Corrupted global declaration map"); return I->second; } SourceLocation ASTReader::getSourceLocationForDeclID(GlobalDeclID ID) { - if (ID < NUM_PREDEF_DECL_IDS) + if (ID.get() < NUM_PREDEF_DECL_IDS) return SourceLocation(); - unsigned Index = ID - NUM_PREDEF_DECL_IDS; + unsigned Index = ID.get() - NUM_PREDEF_DECL_IDS; if (Index > DeclsLoaded.size()) { Error("declaration ID out-of-range for AST file"); @@ -7763,9 +7771,9 @@ static Decl *getPredefinedDecl(ASTContext &Context, PredefinedDeclIDs ID) { llvm_unreachable("PredefinedDeclIDs unknown enum value"); } -Decl *ASTReader::GetExistingDecl(DeclID ID) { +Decl *ASTReader::GetExistingDecl(GlobalDeclID ID) { assert(ContextObj && "reading decl with no AST context"); - if (ID < NUM_PREDEF_DECL_IDS) { + if (ID.get() < NUM_PREDEF_DECL_IDS) { Decl *D = getPredefinedDecl(*ContextObj, (PredefinedDeclIDs)ID); if (D) { // Track that we have merged the declaration with ID \p ID into the @@ -7777,7 +7785,7 @@ Decl *ASTReader::GetExistingDecl(DeclID ID) { return D; } - unsigned Index = ID - NUM_PREDEF_DECL_IDS; + unsigned Index = ID.get() - NUM_PREDEF_DECL_IDS; if (Index >= DeclsLoaded.size()) { assert(0 && "declaration ID out-of-range for AST file"); @@ -7788,11 +7796,11 @@ Decl *ASTReader::GetExistingDecl(DeclID ID) { return DeclsLoaded[Index]; } -Decl *ASTReader::GetDecl(DeclID ID) { - if (ID < NUM_PREDEF_DECL_IDS) +Decl *ASTReader::GetDecl(GlobalDeclID ID) { + if (ID.get() < NUM_PREDEF_DECL_IDS) return GetExistingDecl(ID); - unsigned Index = ID - NUM_PREDEF_DECL_IDS; + unsigned Index = ID.get() - NUM_PREDEF_DECL_IDS; if (Index >= DeclsLoaded.size()) { assert(0 && "declaration ID out-of-range for AST file"); @@ -7809,32 +7817,32 @@ Decl *ASTReader::GetDecl(DeclID ID) { return DeclsLoaded[Index]; } -DeclID ASTReader::mapGlobalIDToModuleFileGlobalID(ModuleFile &M, - DeclID GlobalID) { - if (GlobalID < NUM_PREDEF_DECL_IDS) - return GlobalID; +LocalDeclID ASTReader::mapGlobalIDToModuleFileGlobalID(ModuleFile &M, + GlobalDeclID GlobalID) { + DeclID ID = GlobalID.get(); + if (ID < NUM_PREDEF_DECL_IDS) + return LocalDeclID(ID); GlobalDeclMapType::const_iterator I = GlobalDeclMap.find(GlobalID); assert(I != GlobalDeclMap.end() && "Corrupted global declaration map"); ModuleFile *Owner = I->second; - llvm::DenseMap::iterator Pos - = M.GlobalToLocalDeclIDs.find(Owner); + llvm::DenseMap::iterator Pos = + M.GlobalToLocalDeclIDs.find(Owner); if (Pos == M.GlobalToLocalDeclIDs.end()) - return 0; + return LocalDeclID(); - return GlobalID - Owner->BaseDeclID + Pos->second; + return LocalDeclID(ID - Owner->BaseDeclID + Pos->second); } -serialization::DeclID ASTReader::ReadDeclID(ModuleFile &F, - const RecordData &Record, - unsigned &Idx) { +GlobalDeclID ASTReader::ReadDeclID(ModuleFile &F, const RecordData &Record, + unsigned &Idx) { if (Idx >= Record.size()) { Error("Corrupted AST file"); - return 0; + return GlobalDeclID(0); } - return getGlobalDeclID(F, Record[Idx++]); + return getGlobalDeclID(F, LocalDeclID(Record[Idx++])); } /// Resolve the offset of a statement into a statement. @@ -7870,7 +7878,7 @@ void ASTReader::FindExternalLexicalDecls( if (!IsKindWeWant(K)) continue; - auto ID = (serialization::DeclID)+LexicalDecls[I + 1]; + auto ID = (DeclID) + LexicalDecls[I + 1]; // Don't add predefined declarations to the lexical context more // than once. @@ -7881,7 +7889,7 @@ void ASTReader::FindExternalLexicalDecls( PredefsVisited[ID] = true; } - if (Decl *D = GetLocalDecl(*M, ID)) { + if (Decl *D = GetLocalDecl(*M, LocalDeclID(ID))) { assert(D->getKind() == K && "wrong kind for lexical decl"); if (!DC->isDeclInLexicalTraversal(D)) Decls.push_back(D); @@ -7952,7 +7960,7 @@ void ASTReader::FindFileRegionDecls(FileID File, SourceLocation EndLoc = BeginLoc.getLocWithOffset(Length); DeclIDComp DIDComp(*this, *DInfo.Mod); - ArrayRef::iterator BeginIt = + ArrayRef::iterator BeginIt = llvm::lower_bound(DInfo.Decls, BeginLoc, DIDComp); if (BeginIt != DInfo.Decls.begin()) --BeginIt; @@ -7965,13 +7973,12 @@ void ASTReader::FindFileRegionDecls(FileID File, ->isTopLevelDeclInObjCContainer()) --BeginIt; - ArrayRef::iterator EndIt = + ArrayRef::iterator EndIt = llvm::upper_bound(DInfo.Decls, EndLoc, DIDComp); if (EndIt != DInfo.Decls.end()) ++EndIt; - for (ArrayRef::iterator - DIt = BeginIt; DIt != EndIt; ++DIt) + for (ArrayRef::iterator DIt = BeginIt; DIt != EndIt; ++DIt) Decls.push_back(GetDecl(getGlobalDeclID(*DInfo.Mod, *DIt))); } @@ -7992,7 +7999,8 @@ ASTReader::FindExternalVisibleDeclsByName(const DeclContext *DC, // Load the list of declarations. SmallVector Decls; llvm::SmallPtrSet Found; - for (DeclID ID : It->second.Table.find(Name)) { + + for (GlobalDeclID ID : It->second.Table.find(Name)) { NamedDecl *ND = cast(GetDecl(ID)); if (ND->getDeclName() == Name && Found.insert(ND).second) Decls.push_back(ND); @@ -8013,7 +8021,7 @@ void ASTReader::completeVisibleDeclsMap(const DeclContext *DC) { DeclsMap Decls; - for (DeclID ID : It->second.Table.findAll()) { + for (GlobalDeclID ID : It->second.Table.findAll()) { NamedDecl *ND = cast(GetDecl(ID)); Decls[ND->getDeclName()].push_back(ND); } @@ -8164,8 +8172,12 @@ dumpModuleIDMap(StringRef Name, llvm::errs() << Name << ":\n"; for (typename MapType::const_iterator I = Map.begin(), IEnd = Map.end(); I != IEnd; ++I) { - llvm::errs() << " " << I->first << " -> " << I->second->FileName - << "\n"; + uint64_t ID = 0; + if constexpr (std::is_integral_v) + ID = I->first; + else /*GlobalDeclID*/ + ID = I->first.get(); + llvm::errs() << " " << ID << " -> " << I->second->FileName << "\n"; } } @@ -8211,7 +8223,7 @@ void ASTReader::InitializeSema(Sema &S) { // Makes sure any declarations that were deserialized "too early" // still get added to the identifier's declaration chains. - for (uint64_t ID : PreloadedDeclIDs) { + for (GlobalDeclID ID : PreloadedDeclIDs) { NamedDecl *D = cast(GetDecl(ID)); pushExternalDeclIntoScope(D, D->getDeclName()); } @@ -8240,11 +8252,11 @@ void ASTReader::UpdateSema() { assert(SemaDeclRefs.size() % 3 == 0); for (unsigned I = 0; I != SemaDeclRefs.size(); I += 3) { if (!SemaObj->StdNamespace) - SemaObj->StdNamespace = SemaDeclRefs[I]; + SemaObj->StdNamespace = SemaDeclRefs[I].get(); if (!SemaObj->StdBadAlloc) - SemaObj->StdBadAlloc = SemaDeclRefs[I+1]; + SemaObj->StdBadAlloc = SemaDeclRefs[I + 1].get(); if (!SemaObj->StdAlignValT) - SemaObj->StdAlignValT = SemaDeclRefs[I+2]; + SemaObj->StdAlignValT = SemaDeclRefs[I + 2].get(); } SemaDeclRefs.clear(); } @@ -8617,18 +8629,20 @@ void ASTReader::ReadKnownNamespaces( void ASTReader::ReadUndefinedButUsed( llvm::MapVector &Undefined) { for (unsigned Idx = 0, N = UndefinedButUsed.size(); Idx != N;) { - NamedDecl *D = cast(GetDecl(UndefinedButUsed[Idx++])); - SourceLocation Loc = - SourceLocation::getFromRawEncoding(UndefinedButUsed[Idx++]); + UndefinedButUsedDecl &U = UndefinedButUsed[Idx++]; + NamedDecl *D = cast(GetDecl(U.ID)); + SourceLocation Loc = SourceLocation::getFromRawEncoding(U.RawLoc); Undefined.insert(std::make_pair(D, Loc)); } + UndefinedButUsed.clear(); } void ASTReader::ReadMismatchingDeleteExpressions(llvm::MapVector< FieldDecl *, llvm::SmallVector, 4>> & Exprs) { for (unsigned Idx = 0, N = DelayedDeleteExprs.size(); Idx != N;) { - FieldDecl *FD = cast(GetDecl(DelayedDeleteExprs[Idx++])); + FieldDecl *FD = + cast(GetDecl(GlobalDeclID(DelayedDeleteExprs[Idx++]))); uint64_t Count = DelayedDeleteExprs[Idx++]; for (uint64_t C = 0; C < Count; ++C) { SourceLocation DeleteLoc = @@ -8742,9 +8756,10 @@ void ASTReader::ReadWeakUndeclaredIdentifiers( void ASTReader::ReadUsedVTables(SmallVectorImpl &VTables) { for (unsigned Idx = 0, N = VTableUses.size(); Idx < N; /* In loop */) { ExternalVTableUse VT; - VT.Record = dyn_cast_or_null(GetDecl(VTableUses[Idx++])); - VT.Location = SourceLocation::getFromRawEncoding(VTableUses[Idx++]); - VT.DefinitionRequired = VTableUses[Idx++]; + VTableUse &TableInfo = VTableUses[Idx++]; + VT.Record = dyn_cast_or_null(GetDecl(TableInfo.ID)); + VT.Location = SourceLocation::getFromRawEncoding(TableInfo.RawLoc); + VT.DefinitionRequired = TableInfo.Used; VTables.push_back(VT); } @@ -8754,9 +8769,9 @@ void ASTReader::ReadUsedVTables(SmallVectorImpl &VTables) { void ASTReader::ReadPendingInstantiations( SmallVectorImpl> &Pending) { for (unsigned Idx = 0, N = PendingInstantiations.size(); Idx < N;) { - ValueDecl *D = cast(GetDecl(PendingInstantiations[Idx++])); - SourceLocation Loc - = SourceLocation::getFromRawEncoding(PendingInstantiations[Idx++]); + PendingInstantiation &Inst = PendingInstantiations[Idx++]; + ValueDecl *D = cast(GetDecl(Inst.ID)); + SourceLocation Loc = SourceLocation::getFromRawEncoding(Inst.RawLoc); Pending.push_back(std::make_pair(D, Loc)); } @@ -8771,11 +8786,11 @@ void ASTReader::ReadLateParsedTemplates( RecordDataImpl &LateParsed = LPT.second; for (unsigned Idx = 0, N = LateParsed.size(); Idx < N; /* In loop */) { - FunctionDecl *FD = - cast(GetLocalDecl(*FMod, LateParsed[Idx++])); + FunctionDecl *FD = cast( + GetLocalDecl(*FMod, LocalDeclID(LateParsed[Idx++]))); auto LT = std::make_unique(); - LT->D = GetLocalDecl(*FMod, LateParsed[Idx++]); + LT->D = GetLocalDecl(*FMod, LocalDeclID(LateParsed[Idx++])); LT->FPO = FPOptions::getFromOpaqueInt(LateParsed[Idx++]); ModuleFile *F = getOwningModuleFile(LT->D); @@ -8833,10 +8848,9 @@ void ASTReader::SetIdentifierInfo(IdentifierID ID, IdentifierInfo *II) { /// \param Decls if non-null, this vector will be populated with the set of /// deserialized declarations. These declarations will not be pushed into /// scope. -void -ASTReader::SetGloballyVisibleDecls(IdentifierInfo *II, - const SmallVectorImpl &DeclIDs, - SmallVectorImpl *Decls) { +void ASTReader::SetGloballyVisibleDecls( + IdentifierInfo *II, const SmallVectorImpl &DeclIDs, + SmallVectorImpl *Decls) { if (NumCurrentElementsDeserializing && !Decls) { PendingIdentifierInfos[II].append(DeclIDs.begin(), DeclIDs.end()); return; @@ -9184,9 +9198,9 @@ void ASTRecordReader::readUnresolvedSet(LazyASTUnresolvedSet &Set) { unsigned NumDecls = readInt(); Set.reserve(getContext(), NumDecls); while (NumDecls--) { - DeclID ID = readDeclID(); + GlobalDeclID ID = readDeclID(); AccessSpecifier AS = (AccessSpecifier) readInt(); - Set.addLazyDecl(getContext(), ID, AS); + Set.addLazyDecl(getContext(), ID.get(), AS); } } @@ -9560,7 +9574,7 @@ void ASTReader::finishPendingActions() { while (!PendingIdentifierInfos.empty()) { IdentifierInfo *II = PendingIdentifierInfos.back().first; - SmallVector DeclIDs = + SmallVector DeclIDs = std::move(PendingIdentifierInfos.back().second); PendingIdentifierInfos.pop_back(); @@ -11762,6 +11776,14 @@ void ASTRecordReader::readOMPChildren(OMPChildren *Data) { Data->getChildren()[I] = readStmt(); } +SmallVector ASTRecordReader::readOpenACCVarList() { + unsigned NumVars = readInt(); + llvm::SmallVector VarList; + for (unsigned I = 0; I < NumVars; ++I) + VarList.push_back(readSubExpr()); + return VarList; +} + OpenACCClause *ASTRecordReader::readOpenACCClause() { OpenACCClauseKind ClauseKind = readEnum(); SourceLocation BeginLoc = readSourceLocation(); @@ -11786,6 +11808,33 @@ OpenACCClause *ASTRecordReader::readOpenACCClause() { return OpenACCSelfClause::Create(getContext(), BeginLoc, LParenLoc, CondExpr, EndLoc); } + case OpenACCClauseKind::NumGangs: { + SourceLocation LParenLoc = readSourceLocation(); + unsigned NumClauses = readInt(); + llvm::SmallVector IntExprs; + for (unsigned I = 0; I < NumClauses; ++I) + IntExprs.push_back(readSubExpr()); + return OpenACCNumGangsClause::Create(getContext(), BeginLoc, LParenLoc, + IntExprs, EndLoc); + } + case OpenACCClauseKind::NumWorkers: { + SourceLocation LParenLoc = readSourceLocation(); + Expr *IntExpr = readSubExpr(); + return OpenACCNumWorkersClause::Create(getContext(), BeginLoc, LParenLoc, + IntExpr, EndLoc); + } + case OpenACCClauseKind::VectorLength: { + SourceLocation LParenLoc = readSourceLocation(); + Expr *IntExpr = readSubExpr(); + return OpenACCVectorLengthClause::Create(getContext(), BeginLoc, LParenLoc, + IntExpr, EndLoc); + } + case OpenACCClauseKind::Private: { + SourceLocation LParenLoc = readSourceLocation(); + llvm::SmallVector VarList = readOpenACCVarList(); + return OpenACCPrivateClause::Create(getContext(), BeginLoc, LParenLoc, + VarList, EndLoc); + } case OpenACCClauseKind::Finalize: case OpenACCClauseKind::IfPresent: case OpenACCClauseKind::Seq: @@ -11807,16 +11856,12 @@ OpenACCClause *ASTRecordReader::readOpenACCClause() { case OpenACCClauseKind::Link: case OpenACCClauseKind::NoCreate: case OpenACCClauseKind::Present: - case OpenACCClauseKind::Private: case OpenACCClauseKind::CopyOut: case OpenACCClauseKind::CopyIn: case OpenACCClauseKind::Create: case OpenACCClauseKind::Reduction: case OpenACCClauseKind::Collapse: case OpenACCClauseKind::Bind: - case OpenACCClauseKind::VectorLength: - case OpenACCClauseKind::NumGangs: - case OpenACCClauseKind::NumWorkers: case OpenACCClauseKind::DeviceNum: case OpenACCClauseKind::DefaultAsync: case OpenACCClauseKind::DeviceType: diff --git a/clang/lib/Serialization/ASTReaderDecl.cpp b/clang/lib/Serialization/ASTReaderDecl.cpp index 74d40f7da34cadec03934f890f311e4c8cca9de8..744f11de88c2f89cfca2e9999e71582082145ad2 100644 --- a/clang/lib/Serialization/ASTReaderDecl.cpp +++ b/clang/lib/Serialization/ASTReaderDecl.cpp @@ -84,14 +84,14 @@ namespace clang { ASTReader &Reader; ASTRecordReader &Record; ASTReader::RecordLocation Loc; - const DeclID ThisDeclID; + const GlobalDeclID ThisDeclID; const SourceLocation ThisDeclLoc; using RecordData = ASTReader::RecordData; TypeID DeferredTypeID = 0; unsigned AnonymousDeclNumber = 0; - GlobalDeclID NamedDeclForTagDecl = 0; + GlobalDeclID NamedDeclForTagDecl = GlobalDeclID(); IdentifierInfo *TypedefNameForLinkage = nullptr; ///A flag to carry the information for a decl from the entity is @@ -124,15 +124,13 @@ namespace clang { return Record.readTypeSourceInfo(); } - serialization::DeclID readDeclID() { - return Record.readDeclID(); - } + GlobalDeclID readDeclID() { return Record.readDeclID(); } std::string readString() { return Record.readString(); } - void readDeclIDList(SmallVectorImpl &IDs) { + void readDeclIDList(SmallVectorImpl &IDs) { for (unsigned I = 0, Size = Record.readInt(); I != Size; ++I) IDs.push_back(readDeclID()); } @@ -258,14 +256,14 @@ namespace clang { public: ASTDeclReader(ASTReader &Reader, ASTRecordReader &Record, - ASTReader::RecordLocation Loc, - DeclID thisDeclID, SourceLocation ThisDeclLoc) + ASTReader::RecordLocation Loc, GlobalDeclID thisDeclID, + SourceLocation ThisDeclLoc) : Reader(Reader), Record(Record), Loc(Loc), ThisDeclID(thisDeclID), ThisDeclLoc(ThisDeclLoc) {} - template static - void AddLazySpecializations(T *D, - SmallVectorImpl& IDs) { + template + static void AddLazySpecializations(T *D, + SmallVectorImpl &IDs) { if (IDs.empty()) return; @@ -275,13 +273,14 @@ namespace clang { auto *&LazySpecializations = D->getCommonPtr()->LazySpecializations; if (auto &Old = LazySpecializations) { - IDs.insert(IDs.end(), Old + 1, Old + 1 + Old[0]); + IDs.insert(IDs.end(), Old + 1, Old + 1 + Old[0].get()); llvm::sort(IDs); IDs.erase(std::unique(IDs.begin(), IDs.end()), IDs.end()); } - auto *Result = new (C) serialization::DeclID[1 + IDs.size()]; - *Result = IDs.size(); + auto *Result = new (C) GlobalDeclID[1 + IDs.size()]; + *Result = GlobalDeclID(IDs.size()); + std::copy(IDs.begin(), IDs.end(), Result + 1); LazySpecializations = Result; @@ -315,7 +314,7 @@ namespace clang { void ReadFunctionDefinition(FunctionDecl *FD); void Visit(Decl *D); - void UpdateDecl(Decl *D, SmallVectorImpl &); + void UpdateDecl(Decl *D, SmallVectorImpl &); static void setNextObjCCategory(ObjCCategoryDecl *Cat, ObjCCategoryDecl *Next) { @@ -557,7 +556,7 @@ void ASTDeclReader::Visit(Decl *D) { // If this is a tag declaration with a typedef name for linkage, it's safe // to load that typedef now. - if (NamedDeclForTagDecl) + if (NamedDeclForTagDecl.isValid()) cast(D)->TypedefNameDeclOrQualifier = cast(Reader.GetDecl(NamedDeclForTagDecl)); } else if (auto *ID = dyn_cast(D)) { @@ -601,8 +600,8 @@ void ASTDeclReader::VisitDecl(Decl *D) { // placeholder. GlobalDeclID SemaDCIDForTemplateParmDecl = readDeclID(); GlobalDeclID LexicalDCIDForTemplateParmDecl = - HasStandaloneLexicalDC ? readDeclID() : 0; - if (!LexicalDCIDForTemplateParmDecl) + HasStandaloneLexicalDC ? readDeclID() : GlobalDeclID(); + if (LexicalDCIDForTemplateParmDecl.isInvalid()) LexicalDCIDForTemplateParmDecl = SemaDCIDForTemplateParmDecl; Reader.addPendingDeclContextInfo(D, SemaDCIDForTemplateParmDecl, @@ -1848,7 +1847,7 @@ void ASTDeclReader::VisitNamespaceDecl(NamespaceDecl *D) { // this namespace; loading it might load a later declaration of the // same namespace, and we have an invariant that older declarations // get merged before newer ones try to merge. - GlobalDeclID AnonNamespace = 0; + GlobalDeclID AnonNamespace; if (Redecl.getFirstID() == ThisDeclID) { AnonNamespace = readDeclID(); } else { @@ -1859,7 +1858,7 @@ void ASTDeclReader::VisitNamespaceDecl(NamespaceDecl *D) { mergeRedeclarable(D, Redecl); - if (AnonNamespace) { + if (AnonNamespace.isValid()) { // Each module has its own anonymous namespace, which is disjoint from // any other module's anonymous namespaces, so don't attach the anonymous // namespace at all. @@ -2019,7 +2018,7 @@ void ASTDeclReader::ReadCXXDefinitionData( if (Data.NumVBases) Data.VBases = ReadGlobalOffset(); - Data.FirstFriend = readDeclID(); + Data.FirstFriend = readDeclID().get(); } else { using Capture = LambdaCapture; @@ -2278,12 +2277,12 @@ ASTDeclReader::VisitCXXRecordDeclImpl(CXXRecordDecl *D) { // Lazily load the key function to avoid deserializing every method so we can // compute it. if (WasDefinition) { - DeclID KeyFn = readDeclID(); - if (KeyFn && D->isCompleteDefinition()) + GlobalDeclID KeyFn = readDeclID(); + if (KeyFn.get() && D->isCompleteDefinition()) // FIXME: This is wrong for the ARM ABI, where some other module may have // made this function no longer be a key function. We need an update // record or similar for that case. - C.KeyFunctions[D] = KeyFn; + C.KeyFunctions[D] = KeyFn.get(); } return Redecl; @@ -2372,7 +2371,7 @@ void ASTDeclReader::VisitFriendDecl(FriendDecl *D) { for (unsigned i = 0; i != D->NumTPLists; ++i) D->getTrailingObjects()[i] = Record.readTemplateParameterList(); - D->NextFriend = readDeclID(); + D->NextFriend = readDeclID().get(); D->UnsupportedFriend = (Record.readInt() != 0); D->FriendLoc = readSourceLocation(); } @@ -2457,7 +2456,7 @@ void ASTDeclReader::VisitClassTemplateDecl(ClassTemplateDecl *D) { if (ThisDeclID == Redecl.getFirstID()) { // This ClassTemplateDecl owns a CommonPtr; read it to keep track of all of // the specializations. - SmallVector SpecIDs; + SmallVector SpecIDs; readDeclIDList(SpecIDs); ASTDeclReader::AddLazySpecializations(D, SpecIDs); } @@ -2485,7 +2484,7 @@ void ASTDeclReader::VisitVarTemplateDecl(VarTemplateDecl *D) { if (ThisDeclID == Redecl.getFirstID()) { // This VarTemplateDecl owns a CommonPtr; read it to keep track of all of // the specializations. - SmallVector SpecIDs; + SmallVector SpecIDs; readDeclIDList(SpecIDs); ASTDeclReader::AddLazySpecializations(D, SpecIDs); } @@ -2587,7 +2586,7 @@ void ASTDeclReader::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { if (ThisDeclID == Redecl.getFirstID()) { // This FunctionTemplateDecl owns a CommonPtr; read it. - SmallVector SpecIDs; + SmallVector SpecIDs; readDeclIDList(SpecIDs); ASTDeclReader::AddLazySpecializations(D, SpecIDs); } @@ -2783,7 +2782,7 @@ ASTDeclReader::VisitDeclContext(DeclContext *DC) { template ASTDeclReader::RedeclarableResult ASTDeclReader::VisitRedeclarable(Redeclarable *D) { - DeclID FirstDeclID = readDeclID(); + GlobalDeclID FirstDeclID = readDeclID(); Decl *MergeWith = nullptr; bool IsKeyDecl = ThisDeclID == FirstDeclID; @@ -2791,9 +2790,9 @@ ASTDeclReader::VisitRedeclarable(Redeclarable *D) { uint64_t RedeclOffset = 0; - // 0 indicates that this declaration was the only declaration of its entity, - // and is used for space optimization. - if (FirstDeclID == 0) { + // invalid FirstDeclID indicates that this declaration was the only + // declaration of its entity, and is used for space optimization. + if (FirstDeclID.isInvalid()) { FirstDeclID = ThisDeclID; IsKeyDecl = true; IsFirstLocalDecl = true; @@ -2922,9 +2921,9 @@ void ASTDeclReader::mergeTemplatePattern(RedeclarableTemplateDecl *D, bool IsKeyDecl) { auto *DPattern = D->getTemplatedDecl(); auto *ExistingPattern = Existing->getTemplatedDecl(); - RedeclarableResult Result(/*MergeWith*/ ExistingPattern, - DPattern->getCanonicalDecl()->getGlobalID(), - IsKeyDecl); + RedeclarableResult Result( + /*MergeWith*/ ExistingPattern, + GlobalDeclID(DPattern->getCanonicalDecl()->getGlobalID()), IsKeyDecl); if (auto *DClass = dyn_cast(DPattern)) { // Merge with any existing definition. @@ -3079,14 +3078,14 @@ void ASTDeclReader::VisitOMPDeclareReductionDecl(OMPDeclareReductionDecl *D) { Expr *Init = Record.readExpr(); auto IK = static_cast(Record.readInt()); D->setInitializer(Init, IK); - D->PrevDeclInScope = readDeclID(); + D->PrevDeclInScope = readDeclID().get(); } void ASTDeclReader::VisitOMPDeclareMapperDecl(OMPDeclareMapperDecl *D) { Record.readOMPChildren(D->Data); VisitValueDecl(D); D->VarName = Record.readDeclarationName(); - D->PrevDeclInScope = readDeclID(); + D->PrevDeclInScope = readDeclID().get(); } void ASTDeclReader::VisitOMPCapturedExprDecl(OMPCapturedExprDecl *D) { @@ -3140,7 +3139,7 @@ public: OMPTraitInfo *readOMPTraitInfo() { return Reader.readOMPTraitInfo(); } - template T *GetLocalDeclAs(uint32_t LocalID) { + template T *GetLocalDeclAs(LocalDeclID LocalID) { return Reader.GetLocalDeclAs(LocalID); } }; @@ -3243,13 +3242,13 @@ bool ASTReader::isConsumerInterestedIn(Decl *D) { } /// Get the correct cursor and offset for loading a declaration. -ASTReader::RecordLocation -ASTReader::DeclCursorForID(DeclID ID, SourceLocation &Loc) { +ASTReader::RecordLocation ASTReader::DeclCursorForID(GlobalDeclID ID, + SourceLocation &Loc) { GlobalDeclMapType::iterator I = GlobalDeclMap.find(ID); assert(I != GlobalDeclMap.end() && "Corrupted global declaration map"); ModuleFile *M = I->second; const DeclOffset &DOffs = - M->DeclOffsets[ID - M->BaseDeclID - NUM_PREDEF_DECL_IDS]; + M->DeclOffsets[ID.get() - M->BaseDeclID - NUM_PREDEF_DECL_IDS]; Loc = TranslateSourceLocation(*M, DOffs.getLocation()); return RecordLocation(M, DOffs.getBitOffset(M->DeclsBlockStartOffset)); } @@ -3792,8 +3791,8 @@ void ASTReader::markIncompleteDeclChain(Decl *D) { } /// Read the declaration at the given offset from the AST file. -Decl *ASTReader::ReadDeclRecord(DeclID ID) { - unsigned Index = ID - NUM_PREDEF_DECL_IDS; +Decl *ASTReader::ReadDeclRecord(GlobalDeclID ID) { + unsigned Index = ID.get() - NUM_PREDEF_DECL_IDS; SourceLocation DeclLoc; RecordLocation Loc = DeclCursorForID(ID, DeclLoc); llvm::BitstreamCursor &DeclsCursor = Loc.F->DeclsCursor; @@ -3827,6 +3826,7 @@ Decl *ASTReader::ReadDeclRecord(DeclID ID) { llvm::report_fatal_error( Twine("ASTReader::readDeclRecord failed reading decl code: ") + toString(MaybeDeclCode.takeError())); + switch ((DeclCode)MaybeDeclCode.get()) { case DECL_CONTEXT_LEXICAL: case DECL_CONTEXT_VISIBLE: @@ -3953,9 +3953,8 @@ Decl *ASTReader::ReadDeclRecord(DeclID ID) { } case DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK: { bool HasTypeConstraint = Record.readInt(); - D = NonTypeTemplateParmDecl::CreateDeserialized(Context, ID, - Record.readInt(), - HasTypeConstraint); + D = NonTypeTemplateParmDecl::CreateDeserialized( + Context, ID, Record.readInt(), HasTypeConstraint); break; } case DECL_TEMPLATE_TEMPLATE_PARM: @@ -4202,12 +4201,12 @@ void ASTReader::loadDeclUpdateRecords(PendingUpdateRecord &Record) { // The declaration may have been modified by files later in the chain. // If this is the case, read the record containing the updates from each file // and pass it to ASTDeclReader to make the modifications. - serialization::GlobalDeclID ID = Record.ID; + GlobalDeclID ID = Record.ID; Decl *D = Record.D; ProcessingUpdatesRAIIObj ProcessingUpdates(*this); DeclUpdateOffsetsMap::iterator UpdI = DeclUpdateOffsets.find(ID); - SmallVector PendingLazySpecializationIDs; + SmallVector PendingLazySpecializationIDs; if (UpdI != DeclUpdateOffsets.end()) { auto UpdateOffsets = std::move(UpdI->second); @@ -4327,7 +4326,7 @@ void ASTReader::loadPendingDeclChain(Decl *FirstLocal, uint64_t LocalOffset) { // we should instead generate one loop per kind and dispatch up-front? Decl *MostRecent = FirstLocal; for (unsigned I = 0, N = Record.size(); I != N; ++I) { - auto *D = GetLocalDecl(*M, Record[N - I - 1]); + auto *D = GetLocalDecl(*M, LocalDeclID(Record[N - I - 1])); ASTDeclReader::attachPreviousDecl(*this, D, MostRecent, CanonDecl); MostRecent = D; } @@ -4344,7 +4343,7 @@ namespace { llvm::SmallPtrSetImpl &Deserialized; ObjCCategoryDecl *Tail = nullptr; llvm::DenseMap NameCategoryMap; - serialization::GlobalDeclID InterfaceID; + GlobalDeclID InterfaceID; unsigned PreviousGeneration; void add(ObjCCategoryDecl *Cat) { @@ -4386,11 +4385,10 @@ namespace { } public: - ObjCCategoriesVisitor(ASTReader &Reader, - ObjCInterfaceDecl *Interface, - llvm::SmallPtrSetImpl &Deserialized, - serialization::GlobalDeclID InterfaceID, - unsigned PreviousGeneration) + ObjCCategoriesVisitor( + ASTReader &Reader, ObjCInterfaceDecl *Interface, + llvm::SmallPtrSetImpl &Deserialized, + GlobalDeclID InterfaceID, unsigned PreviousGeneration) : Reader(Reader), Interface(Interface), Deserialized(Deserialized), InterfaceID(InterfaceID), PreviousGeneration(PreviousGeneration) { // Populate the name -> category map with the set of known categories. @@ -4412,8 +4410,9 @@ namespace { // Map global ID of the definition down to the local ID used in this // module file. If there is no such mapping, we'll find nothing here // (or in any module it imports). - DeclID LocalID = Reader.mapGlobalIDToModuleFileGlobalID(M, InterfaceID); - if (!LocalID) + LocalDeclID LocalID = + Reader.mapGlobalIDToModuleFileGlobalID(M, InterfaceID); + if (LocalID.isInvalid()) return true; // Perform a binary search to find the local redeclarations for this @@ -4437,15 +4436,14 @@ namespace { M.ObjCCategories[Offset++] = 0; // Don't try to deserialize again for (unsigned I = 0; I != N; ++I) add(cast_or_null( - Reader.GetLocalDecl(M, M.ObjCCategories[Offset++]))); + Reader.GetLocalDecl(M, LocalDeclID(M.ObjCCategories[Offset++])))); return true; } }; } // namespace -void ASTReader::loadObjCCategories(serialization::GlobalDeclID ID, - ObjCInterfaceDecl *D, +void ASTReader::loadObjCCategories(GlobalDeclID ID, ObjCInterfaceDecl *D, unsigned PreviousGeneration) { ObjCCategoriesVisitor Visitor(*this, D, CategoriesDeserialized, ID, PreviousGeneration); @@ -4473,8 +4471,9 @@ static void forAllLaterRedecls(DeclT *D, Fn F) { } } -void ASTDeclReader::UpdateDecl(Decl *D, - llvm::SmallVectorImpl &PendingLazySpecializationIDs) { +void ASTDeclReader::UpdateDecl( + Decl *D, + llvm::SmallVectorImpl &PendingLazySpecializationIDs) { while (Record.getIdx() < Record.size()) { switch ((DeclUpdateKind)Record.readInt()) { case UPD_CXX_ADDED_IMPLICIT_MEMBER: { diff --git a/clang/lib/Serialization/ASTReaderInternals.h b/clang/lib/Serialization/ASTReaderInternals.h index 25a46ddabcb7078cd234092076f6bdfbc1807302..49268ad5251dff2a852a834c317339cd972ecaf4 100644 --- a/clang/lib/Serialization/ASTReaderInternals.h +++ b/clang/lib/Serialization/ASTReaderInternals.h @@ -49,15 +49,15 @@ public: static const int MaxTables = 4; /// The lookup result is a list of global declaration IDs. - using data_type = SmallVector; + using data_type = SmallVector; struct data_type_builder { data_type &Data; - llvm::DenseSet Found; + llvm::DenseSet Found; data_type_builder(data_type &D) : Data(D) {} - void insert(DeclID ID) { + void insert(GlobalDeclID ID) { // Just use a linear scan unless we have more than a few IDs. if (Found.empty() && !Data.empty()) { if (Data.size() <= 4) { @@ -108,7 +108,7 @@ public: static void MergeDataInto(const data_type &From, data_type_builder &To) { To.Data.reserve(To.Data.size() + From.size()); - for (DeclID ID : From) + for (GlobalDeclID ID : From) To.insert(ID); } diff --git a/clang/lib/Serialization/ASTReaderStmt.cpp b/clang/lib/Serialization/ASTReaderStmt.cpp index ca0460800898b3292e2b70758b96eb3d803b5659..7d3930022a69c02997ddfd92be91bcc29e7e5ecf 100644 --- a/clang/lib/Serialization/ASTReaderStmt.cpp +++ b/clang/lib/Serialization/ASTReaderStmt.cpp @@ -956,14 +956,22 @@ void ASTStmtReader::VisitMatrixSubscriptExpr(MatrixSubscriptExpr *E) { E->setRBracketLoc(readSourceLocation()); } -void ASTStmtReader::VisitOMPArraySectionExpr(OMPArraySectionExpr *E) { +void ASTStmtReader::VisitArraySectionExpr(ArraySectionExpr *E) { VisitExpr(E); + E->ASType = Record.readEnum(); + E->setBase(Record.readSubExpr()); E->setLowerBound(Record.readSubExpr()); E->setLength(Record.readSubExpr()); - E->setStride(Record.readSubExpr()); + + if (E->isOMPArraySection()) + E->setStride(Record.readSubExpr()); + E->setColonLocFirst(readSourceLocation()); - E->setColonLocSecond(readSourceLocation()); + + if (E->isOMPArraySection()) + E->setColonLocSecond(readSourceLocation()); + E->setRBracketLoc(readSourceLocation()); } @@ -2096,7 +2104,6 @@ void ASTStmtReader::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { void ASTStmtReader::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { VisitOverloadExpr(E); E->UnresolvedLookupExprBits.RequiresADL = CurrentUnpackingBits->getNextBit(); - E->UnresolvedLookupExprBits.Overloaded = CurrentUnpackingBits->getNextBit(); E->NamingClass = readDeclAs(); } @@ -3091,8 +3098,8 @@ Stmt *ASTReader::ReadStmtFromStream(ModuleFile &F) { S = new (Context) MatrixSubscriptExpr(Empty); break; - case EXPR_OMP_ARRAY_SECTION: - S = new (Context) OMPArraySectionExpr(Empty); + case EXPR_ARRAY_SECTION: + S = new (Context) ArraySectionExpr(Empty); break; case EXPR_OMP_ARRAY_SHAPING: diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp index b2a078b6d80f467d03560e155d83d6ccd19bf17d..b80b4ff14bd3c5c2c546ea70c62115c82430d082 100644 --- a/clang/lib/Serialization/ASTWriter.cpp +++ b/clang/lib/Serialization/ASTWriter.cpp @@ -166,39 +166,14 @@ namespace { std::optional> GetAffectingModuleMaps(const Preprocessor &PP, Module *RootModule) { - // Without implicit module map search, there's no good reason to know about - // any module maps that are not affecting. - if (!PP.getHeaderSearchInfo().getHeaderSearchOpts().ImplicitModuleMaps) + if (!PP.getHeaderSearchInfo() + .getHeaderSearchOpts() + .ModulesPruneNonAffectingModuleMaps) return std::nullopt; - SmallVector ModulesToProcess{RootModule}; - const HeaderSearch &HS = PP.getHeaderSearchInfo(); - - SmallVector FilesByUID; - HS.getFileMgr().GetUniqueIDMapping(FilesByUID); - - if (FilesByUID.size() > HS.header_file_size()) - FilesByUID.resize(HS.header_file_size()); - - for (unsigned UID = 0, LastUID = FilesByUID.size(); UID != LastUID; ++UID) { - OptionalFileEntryRef File = FilesByUID[UID]; - if (!File) - continue; - - const HeaderFileInfo *HFI = HS.getExistingLocalFileInfo(*File); - if (!HFI || (HFI->isModuleHeader && !HFI->isCompilingModuleHeader)) - continue; - - for (const auto &KH : HS.findResolvedModulesForHeader(*File)) { - if (!KH.getModule()) - continue; - ModulesToProcess.push_back(KH.getModule()); - } - } - const ModuleMap &MM = HS.getModuleMap(); - SourceManager &SourceMgr = PP.getSourceManager(); + const SourceManager &SourceMgr = PP.getSourceManager(); std::set ModuleMaps; auto CollectIncludingModuleMaps = [&](FileID FID, FileEntryRef F) { @@ -233,12 +208,48 @@ GetAffectingModuleMaps(const Preprocessor &PP, Module *RootModule) { } }; - for (const Module *CurrentModule : ModulesToProcess) { + // Handle all the affecting modules referenced from the root module. + + std::queue Q; + Q.push(RootModule); + while (!Q.empty()) { + const Module *CurrentModule = Q.front(); + Q.pop(); + CollectIncludingMapsFromAncestors(CurrentModule); for (const Module *ImportedModule : CurrentModule->Imports) CollectIncludingMapsFromAncestors(ImportedModule); for (const Module *UndeclaredModule : CurrentModule->UndeclaredUses) CollectIncludingMapsFromAncestors(UndeclaredModule); + + for (auto *M : CurrentModule->submodules()) + Q.push(M); + } + + // Handle textually-included headers that belong to other modules. + + SmallVector FilesByUID; + HS.getFileMgr().GetUniqueIDMapping(FilesByUID); + + if (FilesByUID.size() > HS.header_file_size()) + FilesByUID.resize(HS.header_file_size()); + + for (unsigned UID = 0, LastUID = FilesByUID.size(); UID != LastUID; ++UID) { + OptionalFileEntryRef File = FilesByUID[UID]; + if (!File) + continue; + + const HeaderFileInfo *HFI = HS.getExistingLocalFileInfo(*File); + if (!HFI) + continue; // We have no information on this being a header file. + if (!HFI->isCompilingModuleHeader && HFI->isModuleHeader) + continue; // Modular header, handled in the above module-based loop. + if (!HFI->isCompilingModuleHeader && !HFI->IsLocallyIncluded) + continue; // Non-modular header not included locally is not affecting. + + for (const auto &KH : HS.findResolvedModulesForHeader(*File)) + if (const Module *M = KH.getModule()) + CollectIncludingMapsFromAncestors(M); } return ModuleMaps; @@ -1163,26 +1174,47 @@ ASTWriter::createSignature() const { return std::make_pair(ASTBlockHash, Signature); } +ASTFileSignature ASTWriter::createSignatureForNamedModule() const { + llvm::SHA1 Hasher; + Hasher.update(StringRef(Buffer.data(), Buffer.size())); + + assert(WritingModule); + assert(WritingModule->isNamedModule()); + + // We need to combine all the export imported modules no matter + // we used it or not. + for (auto [ExportImported, _] : WritingModule->Exports) + Hasher.update(ExportImported->Signature); + + return ASTFileSignature::create(Hasher.result()); +} + +static void BackpatchSignatureAt(llvm::BitstreamWriter &Stream, + const ASTFileSignature &S, uint64_t BitNo) { + for (uint8_t Byte : S) { + Stream.BackpatchByte(BitNo, Byte); + BitNo += 8; + } +} + ASTFileSignature ASTWriter::backpatchSignature() { + if (isWritingStdCXXNamedModules()) { + ASTFileSignature Signature = createSignatureForNamedModule(); + BackpatchSignatureAt(Stream, Signature, SignatureOffset); + return Signature; + } + if (!WritingModule || !PP->getHeaderSearchInfo().getHeaderSearchOpts().ModulesHashContent) return {}; // For implicit modules, write the hash of the PCM as its signature. - - auto BackpatchSignatureAt = [&](const ASTFileSignature &S, uint64_t BitNo) { - for (uint8_t Byte : S) { - Stream.BackpatchByte(BitNo, Byte); - BitNo += 8; - } - }; - ASTFileSignature ASTBlockHash; ASTFileSignature Signature; std::tie(ASTBlockHash, Signature) = createSignature(); - BackpatchSignatureAt(ASTBlockHash, ASTBlockHashOffset); - BackpatchSignatureAt(Signature, SignatureOffset); + BackpatchSignatureAt(Stream, ASTBlockHash, ASTBlockHashOffset); + BackpatchSignatureAt(Stream, Signature, SignatureOffset); return Signature; } @@ -1199,9 +1231,11 @@ void ASTWriter::writeUnhashedControlBlock(Preprocessor &PP, RecordData Record; Stream.EnterSubblock(UNHASHED_CONTROL_BLOCK_ID, 5); - // For implicit modules, write the hash of the PCM as its signature. - if (WritingModule && - PP.getHeaderSearchInfo().getHeaderSearchOpts().ModulesHashContent) { + // For implicit modules and C++20 named modules, write the hash of the PCM as + // its signature. + if (isWritingStdCXXNamedModules() || + (WritingModule && + PP.getHeaderSearchInfo().getHeaderSearchOpts().ModulesHashContent)) { // At this point, we don't know the actual signature of the file or the AST // block - we're only able to compute those at the end of the serialization // process. Let's store dummy signatures for now, and replace them with the @@ -1212,21 +1246,24 @@ void ASTWriter::writeUnhashedControlBlock(Preprocessor &PP, auto Dummy = ASTFileSignature::createDummy(); SmallString<128> Blob{Dummy.begin(), Dummy.end()}; - auto Abbrev = std::make_shared(); - Abbrev->Add(BitCodeAbbrevOp(AST_BLOCK_HASH)); - Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); - unsigned ASTBlockHashAbbrev = Stream.EmitAbbrev(std::move(Abbrev)); + // We don't need AST Block hash in named modules. + if (!isWritingStdCXXNamedModules()) { + auto Abbrev = std::make_shared(); + Abbrev->Add(BitCodeAbbrevOp(AST_BLOCK_HASH)); + Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); + unsigned ASTBlockHashAbbrev = Stream.EmitAbbrev(std::move(Abbrev)); - Abbrev = std::make_shared(); + Record.push_back(AST_BLOCK_HASH); + Stream.EmitRecordWithBlob(ASTBlockHashAbbrev, Record, Blob); + ASTBlockHashOffset = Stream.GetCurrentBitNo() - Blob.size() * 8; + Record.clear(); + } + + auto Abbrev = std::make_shared(); Abbrev->Add(BitCodeAbbrevOp(SIGNATURE)); Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob)); unsigned SignatureAbbrev = Stream.EmitAbbrev(std::move(Abbrev)); - Record.push_back(AST_BLOCK_HASH); - Stream.EmitRecordWithBlob(ASTBlockHashAbbrev, Record, Blob); - ASTBlockHashOffset = Stream.GetCurrentBitNo() - Blob.size() * 8; - Record.clear(); - Record.push_back(SIGNATURE); Stream.EmitRecordWithBlob(SignatureAbbrev, Record, Blob); SignatureOffset = Stream.GetCurrentBitNo() - Blob.size() * 8; @@ -2053,14 +2090,13 @@ void ASTWriter::WriteHeaderSearch(const HeaderSearch &HS) { if (!File) continue; - // Get the file info. Skip emitting this file if we have no information on - // it as a header file (in which case HFI will be null) or if it hasn't - // changed since it was loaded. Also skip it if it's for a modular header - // from a different module; in that case, we rely on the module(s) - // containing the header to provide this information. const HeaderFileInfo *HFI = HS.getExistingLocalFileInfo(*File); - if (!HFI || (HFI->isModuleHeader && !HFI->isCompilingModuleHeader)) - continue; + if (!HFI) + continue; // We have no information on this being a header file. + if (!HFI->isCompilingModuleHeader && HFI->isModuleHeader) + continue; // Header file info is tracked by the owning module file. + if (!HFI->isCompilingModuleHeader && !PP->alreadyIncluded(*File)) + continue; // Non-modular header not included is not needed. // Massage the file path into an appropriate form. StringRef Filename = File->getName(); @@ -3033,7 +3069,7 @@ void ASTWriter::WriteSubmodules(Module *WritingModule) { RecordData Inits; for (Decl *D : Context->getModuleInitializers(Mod)) if (wasDeclEmitted(D)) - Inits.push_back(GetDeclRef(D)); + AddDeclRef(D, Inits); if (!Inits.empty()) Stream.EmitRecord(SUBMODULE_INITIALIZERS, Inits); @@ -3195,6 +3231,17 @@ void ASTWriter::WriteType(QualType T) { // Declaration Serialization //===----------------------------------------------------------------------===// +static bool IsInternalDeclFromFileContext(const Decl *D) { + auto *ND = dyn_cast(D); + if (!ND) + return false; + + if (!D->getDeclContext()->getRedeclContext()->isFileContext()) + return false; + + return ND->getFormalLinkage() == Linkage::Internal; +} + /// Write the block containing all of the declaration IDs /// lexically declared within the given DeclContext. /// @@ -3210,13 +3257,22 @@ uint64_t ASTWriter::WriteDeclContextLexicalBlock(ASTContext &Context, return 0; uint64_t Offset = Stream.GetCurrentBitNo(); - SmallVector KindDeclPairs; + SmallVector KindDeclPairs; for (const auto *D : DC->decls()) { if (DoneWritingDeclsAndTypes && !wasDeclEmitted(D)) continue; + // We don't need to write decls with internal linkage into reduced BMI. + // If such decls gets emitted due to it get used from inline functions, + // the program illegal. However, there are too many use of static inline + // functions in the global module fragment and it will be breaking change + // to forbid that. So we have to allow to emit such declarations from GMF. + if (GeneratingReducedBMI && !D->isFromExplicitGlobalModule() && + IsInternalDeclFromFileContext(D)) + continue; + KindDeclPairs.push_back(D->getKind()); - KindDeclPairs.push_back(GetDeclRef(D)); + KindDeclPairs.push_back(GetDeclRef(D).get()); } ++NumLexicalDeclContexts; @@ -3251,7 +3307,7 @@ void ASTWriter::WriteTypeDeclOffsets() { unsigned DeclOffsetAbbrev = Stream.EmitAbbrev(std::move(Abbrev)); { RecordData::value_type Record[] = {DECL_OFFSET, DeclOffsets.size(), - FirstDeclID - NUM_PREDEF_DECL_IDS}; + FirstDeclID.get() - NUM_PREDEF_DECL_IDS}; Stream.EmitRecordWithBlob(DeclOffsetAbbrev, Record, bytes(DeclOffsets)); } } @@ -3272,7 +3328,7 @@ void ASTWriter::WriteFileDeclIDsMap() { Info.FirstDeclIndex = FileGroupedDeclIDs.size(); llvm::stable_sort(Info.DeclIDs); for (auto &LocDeclEntry : Info.DeclIDs) - FileGroupedDeclIDs.push_back(LocDeclEntry.second); + FileGroupedDeclIDs.push_back(LocDeclEntry.second.get()); } auto Abbrev = std::make_shared(); @@ -3348,11 +3404,11 @@ public: for (const ObjCMethodList *Method = &Methods.Instance; Method; Method = Method->getNext()) if (ShouldWriteMethodListNode(Method)) - DataLen += 4; + DataLen += sizeof(DeclID); for (const ObjCMethodList *Method = &Methods.Factory; Method; Method = Method->getNext()) if (ShouldWriteMethodListNode(Method)) - DataLen += 4; + DataLen += sizeof(DeclID); return emitULEBKeyDataLength(KeyLen, DataLen, Out); } @@ -3410,11 +3466,11 @@ public: for (const ObjCMethodList *Method = &Methods.Instance; Method; Method = Method->getNext()) if (ShouldWriteMethodListNode(Method)) - LE.write(Writer.getDeclID(Method->getMethod())); + LE.write((DeclID)Writer.getDeclID(Method->getMethod())); for (const ObjCMethodList *Method = &Methods.Factory; Method; Method = Method->getNext()) if (ShouldWriteMethodListNode(Method)) - LE.write(Writer.getDeclID(Method->getMethod())); + LE.write((DeclID)Writer.getDeclID(Method->getMethod())); assert(Out.tell() - Start == DataLen && "Data length is wrong"); } @@ -3618,7 +3674,6 @@ class ASTIdentifierTableTrait { /// doesn't check whether the name has macros defined; use PublicMacroIterator /// to check that. bool isInterestingIdentifier(const IdentifierInfo *II, uint64_t MacroOffset) { - II->getObjCOrBuiltinID(); bool IsInteresting = II->getNotableIdentifierID() != tok::NotableIdentifierKind::not_notable || @@ -3687,7 +3742,8 @@ public: DataLen += 4; // MacroDirectives offset. if (NeedDecls) - DataLen += std::distance(IdResolver.begin(II), IdResolver.end()) * 4; + DataLen += std::distance(IdResolver.begin(II), IdResolver.end()) * + sizeof(DeclID); } return emitULEBKeyDataLength(KeyLen, DataLen, Out); } @@ -3733,8 +3789,8 @@ public: // Only emit declarations that aren't from a chained PCH, though. SmallVector Decls(IdResolver.decls(II)); for (NamedDecl *D : llvm::reverse(Decls)) - LE.write( - Writer.getDeclID(getDeclForLocalLookup(PP.getLangOpts(), D))); + LE.write((DeclID)Writer.getDeclID( + getDeclForLocalLookup(PP.getLangOpts(), D))); } } }; @@ -3850,7 +3906,7 @@ namespace { // Trait used for the on-disk hash table used in the method pool. class ASTDeclContextNameLookupTrait { ASTWriter &Writer; - llvm::SmallVector DeclIDs; + llvm::SmallVector DeclIDs; public: using key_type = DeclarationNameKey; @@ -3876,6 +3932,13 @@ public: !Writer.wasDeclEmitted(DeclForLocalLookup)) continue; + // Try to avoid writing internal decls to reduced BMI. + // See comments in ASTWriter::WriteDeclContextLexicalBlock for details. + if (Writer.isGeneratingReducedBMI() && + !DeclForLocalLookup->isFromExplicitGlobalModule() && + IsInternalDeclFromFileContext(DeclForLocalLookup)) + continue; + DeclIDs.push_back(Writer.GetDeclRef(DeclForLocalLookup)); } return std::make_pair(Start, DeclIDs.size()); @@ -3883,7 +3946,10 @@ public: data_type ImportData(const reader::ASTDeclContextNameLookupTrait::data_type &FromReader) { unsigned Start = DeclIDs.size(); - llvm::append_range(DeclIDs, FromReader); + DeclIDs.insert( + DeclIDs.end(), + DeclIDIterator(FromReader.begin()), + DeclIDIterator(FromReader.end())); return std::make_pair(Start, DeclIDs.size()); } @@ -3928,8 +3994,8 @@ public: break; } - // 4 bytes for each DeclID. - unsigned DataLen = 4 * (Lookup.second - Lookup.first); + // length of DeclIDs. + unsigned DataLen = sizeof(DeclID) * (Lookup.second - Lookup.first); return emitULEBKeyDataLength(KeyLen, DataLen, Out); } @@ -3972,7 +4038,7 @@ public: endian::Writer LE(Out, llvm::endianness::little); uint64_t Start = Out.tell(); (void)Start; for (unsigned I = Lookup.first, N = Lookup.second; I != N; ++I) - LE.write(DeclIDs[I]); + LE.write((DeclID)DeclIDs[I]); assert(Out.tell() - Start == DataLen && "Data length is wrong"); } }; @@ -4244,6 +4310,12 @@ uint64_t ASTWriter::WriteDeclContextVisibleBlock(ASTContext &Context, if (DoneWritingDeclsAndTypes && !wasDeclEmitted(ND)) continue; + // We don't need to force emitting internal decls into reduced BMI. + // See comments in ASTWriter::WriteDeclContextLexicalBlock for details. + if (GeneratingReducedBMI && !ND->isFromExplicitGlobalModule() && + IsInternalDeclFromFileContext(ND)) + continue; + GetDeclRef(ND); } } @@ -4306,7 +4378,8 @@ void ASTWriter::WriteDeclContextVisibleUpdate(const DeclContext *DC) { DC = cast(Chain->getKeyDeclaration(cast(DC))); // Write the lookup table - RecordData::value_type Record[] = {UPDATE_VISIBLE, getDeclID(cast(DC))}; + RecordData::value_type Record[] = {UPDATE_VISIBLE, + getDeclID(cast(DC)).get()}; Stream.EmitRecordWithBlob(UpdateVisibleAbbrev, Record, LookupTable); } @@ -4360,7 +4433,7 @@ void ASTWriter::WriteObjCCategories() { Cat = Class->known_categories_begin(), CatEnd = Class->known_categories_end(); Cat != CatEnd; ++Cat, ++Size) { - assert(getDeclID(*Cat) != 0 && "Bogus category"); + assert(getDeclID(*Cat).isValid() && "Bogus category"); AddDeclRef(*Cat, Categories); } @@ -4734,11 +4807,19 @@ ASTFileSignature ASTWriter::WriteAST(Sema &SemaRef, StringRef OutputFile, } template -static void AddLazyVectorDecls(ASTWriter &Writer, Vector &Vec, - ASTWriter::RecordData &Record) { +static void AddLazyVectorDecls(ASTWriter &Writer, Vector &Vec) { for (typename Vector::iterator I = Vec.begin(nullptr, true), E = Vec.end(); I != E; ++I) { - Writer.AddDeclRef(*I, Record); + Writer.GetDeclRef(*I); + } +} + +template +static void AddLazyVectorEmiitedDecls(ASTWriter &Writer, Vector &Vec, + ASTWriter::RecordData &Record) { + for (typename Vector::iterator I = Vec.begin(nullptr, true), E = Vec.end(); + I != E; ++I) { + Writer.AddEmittedDeclRef(*I, Record); } } @@ -4835,24 +4916,10 @@ void ASTWriter::computeNonAffectingInputFiles() { FileMgr.trackVFSUsage(false); } -ASTFileSignature ASTWriter::WriteASTCore(Sema &SemaRef, StringRef isysroot, - Module *WritingModule) { - using namespace llvm; - - bool isModule = WritingModule != nullptr; - - // Make sure that the AST reader knows to finalize itself. - if (Chain) - Chain->finalizeForWriting(); - +void ASTWriter::PrepareWritingSpecialDecls(Sema &SemaRef) { ASTContext &Context = SemaRef.Context; - Preprocessor &PP = SemaRef.PP; - - // This needs to be done very early, since everything that writes - // SourceLocations or FileIDs depends on it. - computeNonAffectingInputFiles(); - writeUnhashedControlBlock(PP, Context); + bool isModule = WritingModule != nullptr; // Set up predefined declaration IDs. auto RegisterPredefDecl = [&] (Decl *D, PredefinedDeclIDs ID) { @@ -4888,103 +4955,268 @@ ASTFileSignature ASTWriter::WriteASTCore(Sema &SemaRef, StringRef isysroot, RegisterPredefDecl(Context.TypePackElementDecl, PREDEF_DECL_TYPE_PACK_ELEMENT_ID); - // Build a record containing all of the tentative definitions in this file, in + const TranslationUnitDecl *TU = Context.getTranslationUnitDecl(); + + // Force all top level declarations to be emitted. + // + // We start emitting top level declarations from the module purview to + // implement the eliding unreachable declaration feature. + for (const auto *D : TU->noload_decls()) { + if (D->isFromASTFile()) + continue; + + if (GeneratingReducedBMI) { + if (D->isFromExplicitGlobalModule()) + continue; + + // Don't force emitting static entities. + // + // Technically, all static entities shouldn't be in reduced BMI. The + // language also specifies that the program exposes TU-local entities + // is ill-formed. However, in practice, there are a lot of projects + // uses `static inline` in the headers. So we can't get rid of all + // static entities in reduced BMI now. + if (IsInternalDeclFromFileContext(D)) + continue; + } + + GetDeclRef(D); + } + + if (GeneratingReducedBMI) + return; + + // Writing all of the tentative definitions in this file, in // TentativeDefinitions order. Generally, this record will be empty for // headers. RecordData TentativeDefinitions; - AddLazyVectorDecls(*this, SemaRef.TentativeDefinitions, TentativeDefinitions); + AddLazyVectorDecls(*this, SemaRef.TentativeDefinitions); - // Build a record containing all of the file scoped decls in this file. - RecordData UnusedFileScopedDecls; + // Writing all of the file scoped decls in this file. if (!isModule) - AddLazyVectorDecls(*this, SemaRef.UnusedFileScopedDecls, - UnusedFileScopedDecls); + AddLazyVectorDecls(*this, SemaRef.UnusedFileScopedDecls); - // Build a record containing all of the delegating constructors we still need + // Writing all of the delegating constructors we still need // to resolve. - RecordData DelegatingCtorDecls; if (!isModule) - AddLazyVectorDecls(*this, SemaRef.DelegatingCtorDecls, DelegatingCtorDecls); + AddLazyVectorDecls(*this, SemaRef.DelegatingCtorDecls); - // Write the set of weak, undeclared identifiers. We always write the - // entire table, since later PCH files in a PCH chain are only interested in - // the results at the end of the chain. - RecordData WeakUndeclaredIdentifiers; - for (const auto &WeakUndeclaredIdentifierList : - SemaRef.WeakUndeclaredIdentifiers) { - const IdentifierInfo *const II = WeakUndeclaredIdentifierList.first; - for (const auto &WI : WeakUndeclaredIdentifierList.second) { - AddIdentifierRef(II, WeakUndeclaredIdentifiers); - AddIdentifierRef(WI.getAlias(), WeakUndeclaredIdentifiers); - AddSourceLocation(WI.getLocation(), WeakUndeclaredIdentifiers); + // Writing all of the ext_vector declarations. + AddLazyVectorDecls(*this, SemaRef.ExtVectorDecls); + + // Writing all of the VTable uses information. + if (!SemaRef.VTableUses.empty()) + for (unsigned I = 0, N = SemaRef.VTableUses.size(); I != N; ++I) + GetDeclRef(SemaRef.VTableUses[I].first); + + // Writing all of the UnusedLocalTypedefNameCandidates. + for (const TypedefNameDecl *TD : SemaRef.UnusedLocalTypedefNameCandidates) + GetDeclRef(TD); + + // Writing all of pending implicit instantiations. + for (const auto &I : SemaRef.PendingInstantiations) + GetDeclRef(I.first); + assert(SemaRef.PendingLocalImplicitInstantiations.empty() && + "There are local ones at end of translation unit!"); + + // Writing some declaration references. + if (SemaRef.StdNamespace || SemaRef.StdBadAlloc || SemaRef.StdAlignValT) { + GetDeclRef(SemaRef.getStdNamespace()); + GetDeclRef(SemaRef.getStdBadAlloc()); + GetDeclRef(SemaRef.getStdAlignValT()); + } + + if (Context.getcudaConfigureCallDecl()) + GetDeclRef(Context.getcudaConfigureCallDecl()); + + // Writing all of the known namespaces. + for (const auto &I : SemaRef.KnownNamespaces) + if (!I.second) + GetDeclRef(I.first); + + // Writing all used, undefined objects that require definitions. + SmallVector, 16> Undefined; + SemaRef.getUndefinedButUsed(Undefined); + for (const auto &I : Undefined) + GetDeclRef(I.first); + + // Writing all delete-expressions that we would like to + // analyze later in AST. + if (!isModule) + for (const auto &DeleteExprsInfo : + SemaRef.getMismatchingDeleteExpressions()) + GetDeclRef(DeleteExprsInfo.first); + + // Make sure visible decls, added to DeclContexts previously loaded from + // an AST file, are registered for serialization. Likewise for template + // specializations added to imported templates. + for (const auto *I : DeclsToEmitEvenIfUnreferenced) + GetDeclRef(I); + DeclsToEmitEvenIfUnreferenced.clear(); + + // Make sure all decls associated with an identifier are registered for + // serialization, if we're storing decls with identifiers. + if (!WritingModule || !getLangOpts().CPlusPlus) { + llvm::SmallVector IIs; + for (const auto &ID : SemaRef.PP.getIdentifierTable()) { + const IdentifierInfo *II = ID.second; + if (!Chain || !II->isFromAST() || II->hasChangedSinceDeserialization()) + IIs.push_back(II); } + // Sort the identifiers to visit based on their name. + llvm::sort(IIs, llvm::deref>()); + for (const IdentifierInfo *II : IIs) + for (const Decl *D : SemaRef.IdResolver.decls(II)) + GetDeclRef(D); } - // Build a record containing all of the ext_vector declarations. + // Write all of the DeclsToCheckForDeferredDiags. + for (auto *D : SemaRef.DeclsToCheckForDeferredDiags) + GetDeclRef(D); +} + +void ASTWriter::WriteSpecialDeclRecords(Sema &SemaRef) { + ASTContext &Context = SemaRef.Context; + + bool isModule = WritingModule != nullptr; + + // Write the record containing external, unnamed definitions. + if (!EagerlyDeserializedDecls.empty()) + Stream.EmitRecord(EAGERLY_DESERIALIZED_DECLS, EagerlyDeserializedDecls); + + if (!ModularCodegenDecls.empty()) + Stream.EmitRecord(MODULAR_CODEGEN_DECLS, ModularCodegenDecls); + + // Write the record containing tentative definitions. + RecordData TentativeDefinitions; + AddLazyVectorEmiitedDecls(*this, SemaRef.TentativeDefinitions, + TentativeDefinitions); + if (!TentativeDefinitions.empty()) + Stream.EmitRecord(TENTATIVE_DEFINITIONS, TentativeDefinitions); + + // Write the record containing unused file scoped decls. + RecordData UnusedFileScopedDecls; + if (!isModule) + AddLazyVectorEmiitedDecls(*this, SemaRef.UnusedFileScopedDecls, + UnusedFileScopedDecls); + if (!UnusedFileScopedDecls.empty()) + Stream.EmitRecord(UNUSED_FILESCOPED_DECLS, UnusedFileScopedDecls); + + // Write the record containing ext_vector type names. RecordData ExtVectorDecls; - AddLazyVectorDecls(*this, SemaRef.ExtVectorDecls, ExtVectorDecls); + AddLazyVectorEmiitedDecls(*this, SemaRef.ExtVectorDecls, ExtVectorDecls); + if (!ExtVectorDecls.empty()) + Stream.EmitRecord(EXT_VECTOR_DECLS, ExtVectorDecls); - // Build a record containing all of the VTable uses information. + // Write the record containing VTable uses information. RecordData VTableUses; if (!SemaRef.VTableUses.empty()) { for (unsigned I = 0, N = SemaRef.VTableUses.size(); I != N; ++I) { - AddDeclRef(SemaRef.VTableUses[I].first, VTableUses); + CXXRecordDecl *D = SemaRef.VTableUses[I].first; + if (!wasDeclEmitted(D)) + continue; + + AddDeclRef(D, VTableUses); AddSourceLocation(SemaRef.VTableUses[I].second, VTableUses); - VTableUses.push_back(SemaRef.VTablesUsed[SemaRef.VTableUses[I].first]); + VTableUses.push_back(SemaRef.VTablesUsed[D]); } + Stream.EmitRecord(VTABLE_USES, VTableUses); } - // Build a record containing all of the UnusedLocalTypedefNameCandidates. + // Write the record containing potentially unused local typedefs. RecordData UnusedLocalTypedefNameCandidates; for (const TypedefNameDecl *TD : SemaRef.UnusedLocalTypedefNameCandidates) - AddDeclRef(TD, UnusedLocalTypedefNameCandidates); + AddEmittedDeclRef(TD, UnusedLocalTypedefNameCandidates); + if (!UnusedLocalTypedefNameCandidates.empty()) + Stream.EmitRecord(UNUSED_LOCAL_TYPEDEF_NAME_CANDIDATES, + UnusedLocalTypedefNameCandidates); - // Build a record containing all of pending implicit instantiations. + // Write the record containing pending implicit instantiations. RecordData PendingInstantiations; for (const auto &I : SemaRef.PendingInstantiations) { + if (!wasDeclEmitted(I.first)) + continue; + AddDeclRef(I.first, PendingInstantiations); AddSourceLocation(I.second, PendingInstantiations); } - assert(SemaRef.PendingLocalImplicitInstantiations.empty() && - "There are local ones at end of translation unit!"); + if (!PendingInstantiations.empty()) + Stream.EmitRecord(PENDING_IMPLICIT_INSTANTIATIONS, PendingInstantiations); - // Build a record containing some declaration references. + // Write the record containing declaration references of Sema. RecordData SemaDeclRefs; if (SemaRef.StdNamespace || SemaRef.StdBadAlloc || SemaRef.StdAlignValT) { - AddDeclRef(SemaRef.getStdNamespace(), SemaDeclRefs); - AddDeclRef(SemaRef.getStdBadAlloc(), SemaDeclRefs); - AddDeclRef(SemaRef.getStdAlignValT(), SemaDeclRefs); + auto AddEmittedDeclRefOrZero = [this, &SemaDeclRefs](Decl *D) { + if (!D || !wasDeclEmitted(D)) + SemaDeclRefs.push_back(0); + else + AddDeclRef(D, SemaDeclRefs); + }; + + AddEmittedDeclRefOrZero(SemaRef.getStdNamespace()); + AddEmittedDeclRefOrZero(SemaRef.getStdBadAlloc()); + AddEmittedDeclRefOrZero(SemaRef.getStdAlignValT()); } + if (!SemaDeclRefs.empty()) + Stream.EmitRecord(SEMA_DECL_REFS, SemaDeclRefs); + // Write the record containing decls to be checked for deferred diags. + RecordData DeclsToCheckForDeferredDiags; + for (auto *D : SemaRef.DeclsToCheckForDeferredDiags) + if (wasDeclEmitted(D)) + AddDeclRef(D, DeclsToCheckForDeferredDiags); + if (!DeclsToCheckForDeferredDiags.empty()) + Stream.EmitRecord(DECLS_TO_CHECK_FOR_DEFERRED_DIAGS, + DeclsToCheckForDeferredDiags); + + // Write the record containing CUDA-specific declaration references. RecordData CUDASpecialDeclRefs; - if (Context.getcudaConfigureCallDecl()) { - AddDeclRef(Context.getcudaConfigureCallDecl(), CUDASpecialDeclRefs); + if (auto *CudaCallDecl = Context.getcudaConfigureCallDecl(); + CudaCallDecl && wasDeclEmitted(CudaCallDecl)) { + AddDeclRef(CudaCallDecl, CUDASpecialDeclRefs); + Stream.EmitRecord(CUDA_SPECIAL_DECL_REFS, CUDASpecialDeclRefs); } - // Build a record containing all of the known namespaces. + // Write the delegating constructors. + RecordData DelegatingCtorDecls; + if (!isModule) + AddLazyVectorEmiitedDecls(*this, SemaRef.DelegatingCtorDecls, + DelegatingCtorDecls); + if (!DelegatingCtorDecls.empty()) + Stream.EmitRecord(DELEGATING_CTORS, DelegatingCtorDecls); + + // Write the known namespaces. RecordData KnownNamespaces; for (const auto &I : SemaRef.KnownNamespaces) { - if (!I.second) + if (!I.second && wasDeclEmitted(I.first)) AddDeclRef(I.first, KnownNamespaces); } + if (!KnownNamespaces.empty()) + Stream.EmitRecord(KNOWN_NAMESPACES, KnownNamespaces); - // Build a record of all used, undefined objects that require definitions. + // Write the undefined internal functions and variables, and inline functions. RecordData UndefinedButUsed; - SmallVector, 16> Undefined; SemaRef.getUndefinedButUsed(Undefined); for (const auto &I : Undefined) { + if (!wasDeclEmitted(I.first)) + continue; + AddDeclRef(I.first, UndefinedButUsed); AddSourceLocation(I.second, UndefinedButUsed); } + if (!UndefinedButUsed.empty()) + Stream.EmitRecord(UNDEFINED_BUT_USED, UndefinedButUsed); - // Build a record containing all delete-expressions that we would like to + // Write all delete-expressions that we would like to // analyze later in AST. RecordData DeleteExprsToAnalyze; - if (!isModule) { for (const auto &DeleteExprsInfo : SemaRef.getMismatchingDeleteExpressions()) { + if (!wasDeclEmitted(DeleteExprsInfo.first)) + continue; + AddDeclRef(DeleteExprsInfo.first, DeleteExprsToAnalyze); DeleteExprsToAnalyze.push_back(DeleteExprsInfo.second.size()); for (const auto &DeleteLoc : DeleteExprsInfo.second) { @@ -4993,6 +5225,44 @@ ASTFileSignature ASTWriter::WriteASTCore(Sema &SemaRef, StringRef isysroot, } } } + if (!DeleteExprsToAnalyze.empty()) + Stream.EmitRecord(DELETE_EXPRS_TO_ANALYZE, DeleteExprsToAnalyze); +} + +ASTFileSignature ASTWriter::WriteASTCore(Sema &SemaRef, StringRef isysroot, + Module *WritingModule) { + using namespace llvm; + + bool isModule = WritingModule != nullptr; + + // Make sure that the AST reader knows to finalize itself. + if (Chain) + Chain->finalizeForWriting(); + + ASTContext &Context = SemaRef.Context; + Preprocessor &PP = SemaRef.PP; + + // This needs to be done very early, since everything that writes + // SourceLocations or FileIDs depends on it. + computeNonAffectingInputFiles(); + + writeUnhashedControlBlock(PP, Context); + + // Write the set of weak, undeclared identifiers. We always write the + // entire table, since later PCH files in a PCH chain are only interested in + // the results at the end of the chain. + RecordData WeakUndeclaredIdentifiers; + for (const auto &WeakUndeclaredIdentifierList : + SemaRef.WeakUndeclaredIdentifiers) { + const IdentifierInfo *const II = WeakUndeclaredIdentifierList.first; + for (const auto &WI : WeakUndeclaredIdentifierList.second) { + AddIdentifierRef(II, WeakUndeclaredIdentifiers); + AddIdentifierRef(WI.getAlias(), WeakUndeclaredIdentifiers); + AddSourceLocation(WI.getLocation(), WeakUndeclaredIdentifiers); + } + } + + PrepareWritingSpecialDecls(SemaRef); // Write the control block WriteControlBlock(PP, Context, isysroot); @@ -5010,66 +5280,6 @@ ASTFileSignature ASTWriter::WriteASTCore(Sema &SemaRef, StringRef isysroot, Stream.EmitRecord(METADATA_OLD_FORMAT, Record); } - const TranslationUnitDecl *TU = Context.getTranslationUnitDecl(); - - // Force all top level declarations to be emitted. - // - // We start emitting top level declarations from the module purview to - // implement the eliding unreachable declaration feature. - for (const auto *D : TU->noload_decls()) { - if (D->isFromASTFile()) - continue; - - if (GeneratingReducedBMI && D->isFromExplicitGlobalModule()) - continue; - - GetDeclRef(D); - } - - // If the translation unit has an anonymous namespace, and we don't already - // have an update block for it, write it as an update block. - // FIXME: Why do we not do this if there's already an update block? - if (NamespaceDecl *NS = TU->getAnonymousNamespace()) { - ASTWriter::UpdateRecord &Record = DeclUpdates[TU]; - if (Record.empty()) - Record.push_back(DeclUpdate(UPD_CXX_ADDED_ANONYMOUS_NAMESPACE, NS)); - } - - // Add update records for all mangling numbers and static local numbers. - // These aren't really update records, but this is a convenient way of - // tagging this rare extra data onto the declarations. - for (const auto &Number : Context.MangleNumbers) - if (!Number.first->isFromASTFile()) - DeclUpdates[Number.first].push_back(DeclUpdate(UPD_MANGLING_NUMBER, - Number.second)); - for (const auto &Number : Context.StaticLocalNumbers) - if (!Number.first->isFromASTFile()) - DeclUpdates[Number.first].push_back(DeclUpdate(UPD_STATIC_LOCAL_NUMBER, - Number.second)); - - // Make sure visible decls, added to DeclContexts previously loaded from - // an AST file, are registered for serialization. Likewise for template - // specializations added to imported templates. - for (const auto *I : DeclsToEmitEvenIfUnreferenced) { - GetDeclRef(I); - } - - // Make sure all decls associated with an identifier are registered for - // serialization, if we're storing decls with identifiers. - if (!WritingModule || !getLangOpts().CPlusPlus) { - llvm::SmallVector IIs; - for (const auto &ID : PP.getIdentifierTable()) { - const IdentifierInfo *II = ID.second; - if (!Chain || !II->isFromAST() || II->hasChangedSinceDeserialization()) - IIs.push_back(II); - } - // Sort the identifiers to visit based on their name. - llvm::sort(IIs, llvm::deref>()); - for (const IdentifierInfo *II : IIs) - for (const Decl *D : SemaRef.IdResolver.decls(II)) - GetDeclRef(D); - } - // For method pool in the module, if it contains an entry for a selector, // the entry should be complete, containing everything introduced by that // module and all modules it imports. It's possible that the entry is out of @@ -5160,11 +5370,6 @@ ASTFileSignature ASTWriter::WriteASTCore(Sema &SemaRef, StringRef isysroot, Buffer.data(), Buffer.size()); } - // Build a record containing all of the DeclsToCheckForDeferredDiags. - SmallVector DeclsToCheckForDeferredDiags; - for (auto *D : SemaRef.DeclsToCheckForDeferredDiags) - DeclsToCheckForDeferredDiags.push_back(GetDeclRef(D)); - WriteDeclAndTypes(Context); WriteFileDeclIDsMap(); @@ -5186,71 +5391,13 @@ ASTFileSignature ASTWriter::WriteASTCore(Sema &SemaRef, StringRef isysroot, Stream.EmitRecord(SPECIAL_TYPES, SpecialTypes); - // Write the record containing external, unnamed definitions. - if (!EagerlyDeserializedDecls.empty()) - Stream.EmitRecord(EAGERLY_DESERIALIZED_DECLS, EagerlyDeserializedDecls); - - if (!ModularCodegenDecls.empty()) - Stream.EmitRecord(MODULAR_CODEGEN_DECLS, ModularCodegenDecls); - - // Write the record containing tentative definitions. - if (!TentativeDefinitions.empty()) - Stream.EmitRecord(TENTATIVE_DEFINITIONS, TentativeDefinitions); - - // Write the record containing unused file scoped decls. - if (!UnusedFileScopedDecls.empty()) - Stream.EmitRecord(UNUSED_FILESCOPED_DECLS, UnusedFileScopedDecls); + WriteSpecialDeclRecords(SemaRef); // Write the record containing weak undeclared identifiers. if (!WeakUndeclaredIdentifiers.empty()) Stream.EmitRecord(WEAK_UNDECLARED_IDENTIFIERS, WeakUndeclaredIdentifiers); - // Write the record containing ext_vector type names. - if (!ExtVectorDecls.empty()) - Stream.EmitRecord(EXT_VECTOR_DECLS, ExtVectorDecls); - - // Write the record containing VTable uses information. - if (!VTableUses.empty()) - Stream.EmitRecord(VTABLE_USES, VTableUses); - - // Write the record containing potentially unused local typedefs. - if (!UnusedLocalTypedefNameCandidates.empty()) - Stream.EmitRecord(UNUSED_LOCAL_TYPEDEF_NAME_CANDIDATES, - UnusedLocalTypedefNameCandidates); - - // Write the record containing pending implicit instantiations. - if (!PendingInstantiations.empty()) - Stream.EmitRecord(PENDING_IMPLICIT_INSTANTIATIONS, PendingInstantiations); - - // Write the record containing declaration references of Sema. - if (!SemaDeclRefs.empty()) - Stream.EmitRecord(SEMA_DECL_REFS, SemaDeclRefs); - - // Write the record containing decls to be checked for deferred diags. - if (!DeclsToCheckForDeferredDiags.empty()) - Stream.EmitRecord(DECLS_TO_CHECK_FOR_DEFERRED_DIAGS, - DeclsToCheckForDeferredDiags); - - // Write the record containing CUDA-specific declaration references. - if (!CUDASpecialDeclRefs.empty()) - Stream.EmitRecord(CUDA_SPECIAL_DECL_REFS, CUDASpecialDeclRefs); - - // Write the delegating constructors. - if (!DelegatingCtorDecls.empty()) - Stream.EmitRecord(DELEGATING_CTORS, DelegatingCtorDecls); - - // Write the known namespaces. - if (!KnownNamespaces.empty()) - Stream.EmitRecord(KNOWN_NAMESPACES, KnownNamespaces); - - // Write the undefined internal functions and variables, and inline functions. - if (!UndefinedButUsed.empty()) - Stream.EmitRecord(UNDEFINED_BUT_USED, UndefinedButUsed); - - if (!DeleteExprsToAnalyze.empty()) - Stream.EmitRecord(DELETE_EXPRS_TO_ANALYZE, DeleteExprsToAnalyze); - if (!WritingModule) { // Write the submodules that were imported, if any. struct ModuleInfo { @@ -5315,6 +5462,41 @@ ASTFileSignature ASTWriter::WriteASTCore(Sema &SemaRef, StringRef isysroot, return backpatchSignature(); } +void ASTWriter::EnteringModulePurview() { + // In C++20 named modules, all entities before entering the module purview + // lives in the GMF. + if (GeneratingReducedBMI) + DeclUpdatesFromGMF.swap(DeclUpdates); +} + +// Add update records for all mangling numbers and static local numbers. +// These aren't really update records, but this is a convenient way of +// tagging this rare extra data onto the declarations. +void ASTWriter::AddedManglingNumber(const Decl *D, unsigned Number) { + if (D->isFromASTFile()) + return; + + DeclUpdates[D].push_back(DeclUpdate(UPD_MANGLING_NUMBER, Number)); +} +void ASTWriter::AddedStaticLocalNumbers(const Decl *D, unsigned Number) { + if (D->isFromASTFile()) + return; + + DeclUpdates[D].push_back(DeclUpdate(UPD_STATIC_LOCAL_NUMBER, Number)); +} + +void ASTWriter::AddedAnonymousNamespace(const TranslationUnitDecl *TU, + NamespaceDecl *AnonNamespace) { + // If the translation unit has an anonymous namespace, and we don't already + // have an update block for it, write it as an update block. + // FIXME: Why do we not do this if there's already an update block? + if (NamespaceDecl *NS = TU->getAnonymousNamespace()) { + ASTWriter::UpdateRecord &Record = DeclUpdates[TU]; + if (Record.empty()) + Record.push_back(DeclUpdate(UPD_CXX_ADDED_ANONYMOUS_NAMESPACE, NS)); + } +} + void ASTWriter::WriteDeclAndTypes(ASTContext &Context) { // Keep writing types, declarations, and declaration update records // until we've emitted all of them. @@ -5352,7 +5534,7 @@ void ASTWriter::WriteDeclAndTypes(ASTContext &Context) { if (VisibleOffset) VisibleOffset -= DeclTypesBlockStartOffset; - DelayedNamespaceRecord.push_back(getDeclID(NS)); + AddDeclRef(NS, DelayedNamespaceRecord); DelayedNamespaceRecord.push_back(LexicalOffset); DelayedNamespaceRecord.push_back(VisibleOffset); } @@ -5376,7 +5558,7 @@ void ASTWriter::WriteDeclAndTypes(ASTContext &Context) { const TranslationUnitDecl *TU = Context.getTranslationUnitDecl(); // Create a lexical update block containing all of the declarations in the // translation unit that do not come from other AST files. - SmallVector NewGlobalKindDeclPairs; + SmallVector NewGlobalKindDeclPairs; for (const auto *D : TU->noload_decls()) { if (D->isFromASTFile()) continue; @@ -5386,7 +5568,7 @@ void ASTWriter::WriteDeclAndTypes(ASTContext &Context) { continue; NewGlobalKindDeclPairs.push_back(D->getKind()); - NewGlobalKindDeclPairs.push_back(GetDeclRef(D)); + NewGlobalKindDeclPairs.push_back(GetDeclRef(D).get()); } auto Abv = std::make_shared(); @@ -5447,7 +5629,7 @@ void ASTWriter::WriteDeclUpdatesBlocks(RecordDataImpl &OffsetsRecord) { case UPD_CXX_ADDED_TEMPLATE_SPECIALIZATION: case UPD_CXX_ADDED_ANONYMOUS_NAMESPACE: assert(Update.getDecl() && "no decl to add?"); - Record.push_back(GetDeclRef(Update.getDecl())); + Record.AddDeclRef(Update.getDecl()); break; case UPD_CXX_ADDED_FUNCTION_DEFINITION: @@ -5588,7 +5770,7 @@ void ASTWriter::WriteDeclUpdatesBlocks(RecordDataImpl &OffsetsRecord) { } } - OffsetsRecord.push_back(GetDeclRef(D)); + AddDeclRef(D, OffsetsRecord); OffsetsRecord.push_back(Record.Emit(DECL_UPDATES)); } } @@ -5849,28 +6031,43 @@ TypeID ASTWriter::getTypeID(QualType T) const { }); } +void ASTWriter::AddEmittedDeclRef(const Decl *D, RecordDataImpl &Record) { + if (!wasDeclEmitted(D)) + return; + + Record.push_back(GetDeclRef(D).get()); +} + void ASTWriter::AddDeclRef(const Decl *D, RecordDataImpl &Record) { - Record.push_back(GetDeclRef(D)); + Record.push_back(GetDeclRef(D).get()); } -DeclID ASTWriter::GetDeclRef(const Decl *D) { +LocalDeclID ASTWriter::GetDeclRef(const Decl *D) { assert(WritingAST && "Cannot request a declaration ID before AST writing"); if (!D) { - return 0; + return LocalDeclID(); + } + + // If the DeclUpdate from the GMF gets touched, emit it. + if (auto *Iter = DeclUpdatesFromGMF.find(D); + Iter != DeclUpdatesFromGMF.end()) { + for (DeclUpdate &Update : Iter->second) + DeclUpdates[D].push_back(Update); + DeclUpdatesFromGMF.erase(Iter); } // If D comes from an AST file, its declaration ID is already known and // fixed. if (D->isFromASTFile()) - return D->getGlobalID(); + return LocalDeclID(D->getGlobalID()); assert(!(reinterpret_cast(D) & 0x01) && "Invalid decl pointer"); - DeclID &ID = DeclIDs[D]; - if (ID == 0) { + LocalDeclID &ID = DeclIDs[D]; + if (ID.isInvalid()) { if (DoneWritingDeclsAndTypes) { assert(0 && "New decl seen after serializing all the decls to emit!"); - return 0; + return LocalDeclID(); } // We haven't seen this declaration before. Give it a new ID and @@ -5882,14 +6079,14 @@ DeclID ASTWriter::GetDeclRef(const Decl *D) { return ID; } -DeclID ASTWriter::getDeclID(const Decl *D) { +LocalDeclID ASTWriter::getDeclID(const Decl *D) { if (!D) - return 0; + return LocalDeclID(); // If D comes from an AST file, its declaration ID is already known and // fixed. if (D->isFromASTFile()) - return D->getGlobalID(); + return LocalDeclID(D->getGlobalID()); assert(DeclIDs.contains(D) && "Declaration not emitted!"); return DeclIDs[D]; @@ -5910,8 +6107,8 @@ bool ASTWriter::wasDeclEmitted(const Decl *D) const { return Emitted; } -void ASTWriter::associateDeclWithFile(const Decl *D, DeclID ID) { - assert(ID); +void ASTWriter::associateDeclWithFile(const Decl *D, LocalDeclID ID) { + assert(ID.isValid()); assert(D); SourceLocation Loc = D->getLocation(); @@ -5943,7 +6140,7 @@ void ASTWriter::associateDeclWithFile(const Decl *D, DeclID ID) { if (!Info) Info = std::make_unique(); - std::pair LocDecl(Offset, ID); + std::pair LocDecl(Offset, ID); LocDeclIDsTy &Decls = Info->DeclIDs; Decls.push_back(LocDecl); } @@ -6213,7 +6410,7 @@ void ASTRecordWriter::AddCXXDefinitionData(const CXXRecordDecl *D) { Writer->Context->getLangOpts().ModulesDebugInfo && !D->isDependentType(); Record->push_back(ModulesDebugInfo); if (ModulesDebugInfo) - Writer->ModularCodegenDecls.push_back(Writer->GetDeclRef(D)); + Writer->AddDeclRef(D, Writer->ModularCodegenDecls); // IsLambda bit is already saved. @@ -6317,7 +6514,7 @@ void ASTWriter::ReaderInitialized(ASTReader *Reader) { // Note, this will get called multiple times, once one the reader starts up // and again each time it's done reading a PCH or module. - FirstDeclID = NUM_PREDEF_DECL_IDS + Chain->getTotalNumDecls(); + FirstDeclID = LocalDeclID(NUM_PREDEF_DECL_IDS + Chain->getTotalNumDecls()); FirstTypeID = NUM_PREDEF_TYPE_IDS + Chain->getTotalNumTypes(); FirstIdentID = NUM_PREDEF_IDENT_IDS + Chain->getTotalNumIdentifiers(); FirstMacroID = NUM_PREDEF_MACRO_IDS + Chain->getTotalNumMacros(); @@ -7506,6 +7703,12 @@ void ASTRecordWriter::writeOMPChildren(OMPChildren *Data) { AddStmt(Data->getChildren()[I]); } +void ASTRecordWriter::writeOpenACCVarList(const OpenACCClauseWithVarList *C) { + writeUInt32(C->getVarList().size()); + for (Expr *E : C->getVarList()) + AddStmt(E); +} + void ASTRecordWriter::writeOpenACCClause(const OpenACCClause *C) { writeEnum(C->getClauseKind()); writeSourceLocation(C->getBeginLoc()); @@ -7532,6 +7735,32 @@ void ASTRecordWriter::writeOpenACCClause(const OpenACCClause *C) { AddStmt(const_cast(SC->getConditionExpr())); return; } + case OpenACCClauseKind::NumGangs: { + const auto *NGC = cast(C); + writeSourceLocation(NGC->getLParenLoc()); + writeUInt32(NGC->getIntExprs().size()); + for (Expr *E : NGC->getIntExprs()) + AddStmt(E); + return; + } + case OpenACCClauseKind::NumWorkers: { + const auto *NWC = cast(C); + writeSourceLocation(NWC->getLParenLoc()); + AddStmt(const_cast(NWC->getIntExpr())); + return; + } + case OpenACCClauseKind::VectorLength: { + const auto *NWC = cast(C); + writeSourceLocation(NWC->getLParenLoc()); + AddStmt(const_cast(NWC->getIntExpr())); + return; + } + case OpenACCClauseKind::Private: { + const auto *PC = cast(C); + writeSourceLocation(PC->getLParenLoc()); + writeOpenACCVarList(PC); + return; + } case OpenACCClauseKind::Finalize: case OpenACCClauseKind::IfPresent: case OpenACCClauseKind::Seq: @@ -7553,16 +7782,12 @@ void ASTRecordWriter::writeOpenACCClause(const OpenACCClause *C) { case OpenACCClauseKind::Link: case OpenACCClauseKind::NoCreate: case OpenACCClauseKind::Present: - case OpenACCClauseKind::Private: case OpenACCClauseKind::CopyOut: case OpenACCClauseKind::CopyIn: case OpenACCClauseKind::Create: case OpenACCClauseKind::Reduction: case OpenACCClauseKind::Collapse: case OpenACCClauseKind::Bind: - case OpenACCClauseKind::VectorLength: - case OpenACCClauseKind::NumGangs: - case OpenACCClauseKind::NumWorkers: case OpenACCClauseKind::DeviceNum: case OpenACCClauseKind::DefaultAsync: case OpenACCClauseKind::DeviceType: diff --git a/clang/lib/Serialization/ASTWriterDecl.cpp b/clang/lib/Serialization/ASTWriterDecl.cpp index c6db107e0ca42961e2fd646b2e4128d1b4bbcde4..0edc4feda3ef2337b14dafb2bcf441df66c1d12a 100644 --- a/clang/lib/Serialization/ASTWriterDecl.cpp +++ b/clang/lib/Serialization/ASTWriterDecl.cpp @@ -223,9 +223,9 @@ namespace clang { assert(!Common->LazySpecializations); } - ArrayRef LazySpecializations; + ArrayRef LazySpecializations; if (auto *LS = Common->LazySpecializations) - LazySpecializations = llvm::ArrayRef(LS + 1, LS[0]); + LazySpecializations = llvm::ArrayRef(LS + 1, LS[0].get()); // Add a slot to the record for the number of specializations. unsigned I = Record.size(); @@ -243,7 +243,9 @@ namespace clang { assert(D->isCanonicalDecl() && "non-canonical decl in set"); AddFirstDeclFromEachModule(D, /*IncludeLocal*/true); } - Record.append(LazySpecializations.begin(), LazySpecializations.end()); + Record.append( + DeclIDIterator(LazySpecializations.begin()), + DeclIDIterator(LazySpecializations.end())); // Update the size entry we added earlier. Record[I] = Record.size() - I - 1; @@ -1166,7 +1168,7 @@ void ASTDeclWriter::VisitVarDecl(VarDecl *D) { Record.push_back(VarDeclBits); if (ModulesCodegen) - Writer.ModularCodegenDecls.push_back(Writer.GetDeclRef(D)); + Writer.AddDeclRef(D, Writer.ModularCodegenDecls); if (D->hasAttr()) { BlockVarCopyInit Init = Writer.Context->getBlockVarCopyInit(D); @@ -2786,10 +2788,10 @@ void ASTWriter::WriteDecl(ASTContext &Context, Decl *D) { "serializing"); // Determine the ID for this declaration. - serialization::DeclID ID; + LocalDeclID ID; assert(!D->isFromASTFile() && "should not be emitting imported decl"); - serialization::DeclID &IDR = DeclIDs[D]; - if (IDR == 0) + LocalDeclID &IDR = DeclIDs[D]; + if (IDR.isInvalid()) IDR = NextDeclID++; ID = IDR; @@ -2807,7 +2809,7 @@ void ASTWriter::WriteDecl(ASTContext &Context, Decl *D) { // Record the offset for this declaration SourceLocation Loc = D->getLocation(); - unsigned Index = ID - FirstDeclID; + unsigned Index = ID.get() - FirstDeclID.get(); if (DeclOffsets.size() == Index) DeclOffsets.emplace_back(getAdjustedLocation(Loc), Offset, DeclTypesBlockStartOffset); @@ -2827,7 +2829,7 @@ void ASTWriter::WriteDecl(ASTContext &Context, Decl *D) { // Note declarations that should be deserialized eagerly so that we can add // them to a record in the AST file later. if (isRequiredDecl(D, Context, WritingModule)) - EagerlyDeserializedDecls.push_back(ID); + AddDeclRef(D, EagerlyDeserializedDecls); } void ASTRecordWriter::AddFunctionDefinition(const FunctionDecl *FD) { @@ -2863,7 +2865,7 @@ void ASTRecordWriter::AddFunctionDefinition(const FunctionDecl *FD) { } Record->push_back(ModulesCodegen); if (ModulesCodegen) - Writer->ModularCodegenDecls.push_back(Writer->GetDeclRef(FD)); + Writer->AddDeclRef(FD, Writer->ModularCodegenDecls); if (auto *CD = dyn_cast(FD)) { Record->push_back(CD->getNumCtorInitializers()); if (CD->getNumCtorInitializers()) diff --git a/clang/lib/Serialization/ASTWriterStmt.cpp b/clang/lib/Serialization/ASTWriterStmt.cpp index a736a7b0ef726ca5a40745d058b8dbda492beb5d..39aec31b6d87900d95e8afa5aa7e4e993b0799f6 100644 --- a/clang/lib/Serialization/ASTWriterStmt.cpp +++ b/clang/lib/Serialization/ASTWriterStmt.cpp @@ -880,16 +880,21 @@ void ASTStmtWriter::VisitMatrixSubscriptExpr(MatrixSubscriptExpr *E) { Code = serialization::EXPR_ARRAY_SUBSCRIPT; } -void ASTStmtWriter::VisitOMPArraySectionExpr(OMPArraySectionExpr *E) { +void ASTStmtWriter::VisitArraySectionExpr(ArraySectionExpr *E) { VisitExpr(E); + Record.writeEnum(E->ASType); Record.AddStmt(E->getBase()); Record.AddStmt(E->getLowerBound()); Record.AddStmt(E->getLength()); - Record.AddStmt(E->getStride()); + if (E->isOMPArraySection()) + Record.AddStmt(E->getStride()); Record.AddSourceLocation(E->getColonLocFirst()); - Record.AddSourceLocation(E->getColonLocSecond()); + + if (E->isOMPArraySection()) + Record.AddSourceLocation(E->getColonLocSecond()); + Record.AddSourceLocation(E->getRBracketLoc()); - Code = serialization::EXPR_OMP_ARRAY_SECTION; + Code = serialization::EXPR_ARRAY_SECTION; } void ASTStmtWriter::VisitOMPArrayShapingExpr(OMPArrayShapingExpr *E) { @@ -2082,7 +2087,6 @@ void ASTStmtWriter::VisitUnresolvedMemberExpr(UnresolvedMemberExpr *E) { void ASTStmtWriter::VisitUnresolvedLookupExpr(UnresolvedLookupExpr *E) { VisitOverloadExpr(E); CurrentPackingBits.addBit(E->requiresADL()); - CurrentPackingBits.addBit(E->isOverloaded()); Record.AddDeclRef(E->getNamingClass()); Code = serialization::EXPR_CXX_UNRESOLVED_LOOKUP; } diff --git a/clang/lib/Serialization/GeneratePCH.cpp b/clang/lib/Serialization/GeneratePCH.cpp index bed74399098d7f93ae4d1d43ab78ecb810fbf835..cc06106a47708ed7ea9828b694778f468db8141d 100644 --- a/clang/lib/Serialization/GeneratePCH.cpp +++ b/clang/lib/Serialization/GeneratePCH.cpp @@ -88,36 +88,34 @@ ASTDeserializationListener *PCHGenerator::GetASTDeserializationListener() { return &Writer; } -ReducedBMIGenerator::ReducedBMIGenerator(Preprocessor &PP, - InMemoryModuleCache &ModuleCache, - StringRef OutputFile) +void PCHGenerator::anchor() {} + +CXX20ModulesGenerator::CXX20ModulesGenerator(Preprocessor &PP, + InMemoryModuleCache &ModuleCache, + StringRef OutputFile, + bool GeneratingReducedBMI) : PCHGenerator( PP, ModuleCache, OutputFile, llvm::StringRef(), std::make_shared(), /*Extensions=*/ArrayRef>(), /*AllowASTWithErrors*/ false, /*IncludeTimestamps=*/false, /*BuildingImplicitModule=*/false, /*ShouldCacheASTInMemory=*/false, - /*GeneratingReducedBMI=*/true) {} + GeneratingReducedBMI) {} -Module *ReducedBMIGenerator::getEmittingModule(ASTContext &Ctx) { +Module *CXX20ModulesGenerator::getEmittingModule(ASTContext &Ctx) { Module *M = Ctx.getCurrentNamedModule(); assert(M && M->isNamedModuleUnit() && - "ReducedBMIGenerator should only be used with C++20 Named modules."); + "CXX20ModulesGenerator should only be used with C++20 Named modules."); return M; } -void ReducedBMIGenerator::HandleTranslationUnit(ASTContext &Ctx) { - // We need to do this to make sure the size of reduced BMI not to be larger - // than full BMI. - // +void CXX20ModulesGenerator::HandleTranslationUnit(ASTContext &Ctx) { // FIMXE: We'd better to wrap such options to a new class ASTWriterOptions // since this is not about searching header really. - // FIXME2: We'd better to move the class writing full BMI with reduced BMI. HeaderSearchOptions &HSOpts = getPreprocessor().getHeaderSearchInfo().getHeaderSearchOpts(); HSOpts.ModulesSkipDiagnosticOptions = true; HSOpts.ModulesSkipHeaderSearchPaths = true; - HSOpts.ModulesSkipPragmaDiagnosticMappings = true; PCHGenerator::HandleTranslationUnit(Ctx); @@ -135,3 +133,7 @@ void ReducedBMIGenerator::HandleTranslationUnit(ASTContext &Ctx) { *OS << getBufferPtr()->Data; OS->flush(); } + +void CXX20ModulesGenerator::anchor() {} + +void ReducedBMIGenerator::anchor() {} diff --git a/clang/lib/StaticAnalyzer/Checkers/CastValueChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/CastValueChecker.cpp index f02d20d45678b3bd4cc4edd2ffecb8aa6dc7416c..c7479d74eafc3349b507b06f5629c83a53a806dc 100644 --- a/clang/lib/StaticAnalyzer/Checkers/CastValueChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/CastValueChecker.cpp @@ -56,23 +56,23 @@ public: private: // These are known in the LLVM project. The pairs are in the following form: - // {{{namespace, call}, argument-count}, {callback, kind}} + // {{match-mode, {namespace, call}, argument-count}, {callback, kind}} const CallDescriptionMap> CDM = { - {{{"llvm", "cast"}, 1}, + {{CDM::SimpleFunc, {"llvm", "cast"}, 1}, {&CastValueChecker::evalCast, CallKind::Function}}, - {{{"llvm", "dyn_cast"}, 1}, + {{CDM::SimpleFunc, {"llvm", "dyn_cast"}, 1}, {&CastValueChecker::evalDynCast, CallKind::Function}}, - {{{"llvm", "cast_or_null"}, 1}, + {{CDM::SimpleFunc, {"llvm", "cast_or_null"}, 1}, {&CastValueChecker::evalCastOrNull, CallKind::Function}}, - {{{"llvm", "dyn_cast_or_null"}, 1}, + {{CDM::SimpleFunc, {"llvm", "dyn_cast_or_null"}, 1}, {&CastValueChecker::evalDynCastOrNull, CallKind::Function}}, - {{{"clang", "castAs"}, 0}, + {{CDM::CXXMethod, {"clang", "castAs"}, 0}, {&CastValueChecker::evalCastAs, CallKind::Method}}, - {{{"clang", "getAs"}, 0}, + {{CDM::CXXMethod, {"clang", "getAs"}, 0}, {&CastValueChecker::evalGetAs, CallKind::Method}}, - {{{"llvm", "isa"}, 1}, + {{CDM::SimpleFunc, {"llvm", "isa"}, 1}, {&CastValueChecker::evalIsa, CallKind::InstanceOf}}, - {{{"llvm", "isa_and_nonnull"}, 1}, + {{CDM::SimpleFunc, {"llvm", "isa_and_nonnull"}, 1}, {&CastValueChecker::evalIsaAndNonNull, CallKind::InstanceOf}}}; void evalCast(const CallEvent &Call, DefinedOrUnknownSVal DV, diff --git a/clang/lib/StaticAnalyzer/Checkers/ChrootChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/ChrootChecker.cpp index be7be15022d360d665b63777cbb7a588cdd3f9e5..3a0a01c23de03eebef3e3ef32527650cf5d84032 100644 --- a/clang/lib/StaticAnalyzer/Checkers/ChrootChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/ChrootChecker.cpp @@ -43,7 +43,8 @@ class ChrootChecker : public Checker { // This bug refers to possibly break out of a chroot() jail. const BugType BT_BreakJail{this, "Break out of jail"}; - const CallDescription Chroot{{"chroot"}, 1}, Chdir{{"chdir"}, 1}; + const CallDescription Chroot{CDM::CLibrary, {"chroot"}, 1}, + Chdir{CDM::CLibrary, {"chdir"}, 1}; public: ChrootChecker() {} diff --git a/clang/lib/StaticAnalyzer/Checkers/DereferenceChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/DereferenceChecker.cpp index a678c3827e7f12b37b49733014c20b9cea36b6c5..1cebfbbee77dae25dd4a6022a2773b387516ad79 100644 --- a/clang/lib/StaticAnalyzer/Checkers/DereferenceChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/DereferenceChecker.cpp @@ -188,9 +188,9 @@ void DereferenceChecker::reportBug(DerefKind K, ProgramStateRef State, os << DerefStr1; break; } - case Stmt::OMPArraySectionExprClass: { + case Stmt::ArraySectionExprClass: { os << "Array access"; - const OMPArraySectionExpr *AE = cast(S); + const ArraySectionExpr *AE = cast(S); AddDerefSource(os, Ranges, AE->getBase()->IgnoreParenCasts(), State.get(), N->getLocationContext()); os << DerefStr1; diff --git a/clang/lib/StaticAnalyzer/Checkers/ErrnoTesterChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/ErrnoTesterChecker.cpp index c46ebee0c94ff48eefc47295fc2a3976d2c3ae6b..6076a6bc789737a8f9bf823ec80726740f8f9c5c 100644 --- a/clang/lib/StaticAnalyzer/Checkers/ErrnoTesterChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/ErrnoTesterChecker.cpp @@ -70,13 +70,15 @@ private: using EvalFn = std::function; const CallDescriptionMap TestCalls{ - {{{"ErrnoTesterChecker_setErrno"}, 1}, &ErrnoTesterChecker::evalSetErrno}, - {{{"ErrnoTesterChecker_getErrno"}, 0}, &ErrnoTesterChecker::evalGetErrno}, - {{{"ErrnoTesterChecker_setErrnoIfError"}, 0}, + {{CDM::SimpleFunc, {"ErrnoTesterChecker_setErrno"}, 1}, + &ErrnoTesterChecker::evalSetErrno}, + {{CDM::SimpleFunc, {"ErrnoTesterChecker_getErrno"}, 0}, + &ErrnoTesterChecker::evalGetErrno}, + {{CDM::SimpleFunc, {"ErrnoTesterChecker_setErrnoIfError"}, 0}, &ErrnoTesterChecker::evalSetErrnoIfError}, - {{{"ErrnoTesterChecker_setErrnoIfErrorRange"}, 0}, + {{CDM::SimpleFunc, {"ErrnoTesterChecker_setErrnoIfErrorRange"}, 0}, &ErrnoTesterChecker::evalSetErrnoIfErrorRange}, - {{{"ErrnoTesterChecker_setErrnoCheckState"}, 0}, + {{CDM::SimpleFunc, {"ErrnoTesterChecker_setErrnoCheckState"}, 0}, &ErrnoTesterChecker::evalSetErrnoCheckState}}; }; diff --git a/clang/lib/StaticAnalyzer/Checkers/IdenticalExprChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/IdenticalExprChecker.cpp index 1cf81b54e77d32ddb32aecfe7d216fe30084b934..7ac34ef8164e4c20eee1e1427edba4252b9bc9f5 100644 --- a/clang/lib/StaticAnalyzer/Checkers/IdenticalExprChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/IdenticalExprChecker.cpp @@ -350,7 +350,7 @@ static bool isIdenticalStmt(const ASTContext &Ctx, const Stmt *Stmt1, return false; case Stmt::CallExprClass: case Stmt::ArraySubscriptExprClass: - case Stmt::OMPArraySectionExprClass: + case Stmt::ArraySectionExprClass: case Stmt::OMPArrayShapingExprClass: case Stmt::OMPIteratorExprClass: case Stmt::ImplicitCastExprClass: diff --git a/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp index 2e31c16e457c2e4566cd75f326c3d7bd66740654..cd1dd1b2fc511fd27af989998eb837de9aa7f070 100644 --- a/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/MmapWriteExecChecker.cpp @@ -27,8 +27,8 @@ using namespace ento; namespace { class MmapWriteExecChecker : public Checker { - CallDescription MmapFn; - CallDescription MprotectFn; + CallDescription MmapFn{CDM::CLibrary, {"mmap"}, 6}; + CallDescription MprotectFn{CDM::CLibrary, {"mprotect"}, 3}; static int ProtWrite; static int ProtExec; static int ProtRead; @@ -36,7 +36,6 @@ class MmapWriteExecChecker : public Checker { "Security"}; public: - MmapWriteExecChecker() : MmapFn({"mmap"}, 6), MprotectFn({"mprotect"}, 3) {} void checkPreCall(const CallEvent &Call, CheckerContext &C) const; int ProtExecOv; int ProtReadOv; diff --git a/clang/lib/StaticAnalyzer/Checkers/ObjCUnusedIVarsChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/ObjCUnusedIVarsChecker.cpp index 2f2df63468b4b15cb67417b81b8d8074fa5d8d89..23014ff954870dede321451dc75215fa9282139b 100644 --- a/clang/lib/StaticAnalyzer/Checkers/ObjCUnusedIVarsChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/ObjCUnusedIVarsChecker.cpp @@ -118,8 +118,7 @@ static void checkObjCUnusedIvar(const ObjCImplementationDecl *D, // (d) are unnamed bitfields if (Ivar->getAccessControl() != ObjCIvarDecl::Private || Ivar->hasAttr() || Ivar->hasAttr() || - Ivar->hasAttr() || - Ivar->isUnnamedBitfield()) + Ivar->hasAttr() || Ivar->isUnnamedBitField()) continue; M[Ivar] = Unused; diff --git a/clang/lib/StaticAnalyzer/Checkers/StdVariantChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/StdVariantChecker.cpp index f7b7befe28ee7dc5076c51c359a5b9b7a592977f..19877964bd900a9c4758337b6618e273d1070769 100644 --- a/clang/lib/StaticAnalyzer/Checkers/StdVariantChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/StdVariantChecker.cpp @@ -129,9 +129,11 @@ static llvm::StringRef indefiniteArticleBasedOnVowel(char a) { class StdVariantChecker : public Checker { // Call descriptors to find relevant calls - CallDescription VariantConstructor{{"std", "variant", "variant"}}; - CallDescription VariantAssignmentOperator{{"std", "variant", "operator="}}; - CallDescription StdGet{{"std", "get"}, 1, 1}; + CallDescription VariantConstructor{CDM::CXXMethod, + {"std", "variant", "variant"}}; + CallDescription VariantAssignmentOperator{CDM::CXXMethod, + {"std", "variant", "operator="}}; + CallDescription StdGet{CDM::SimpleFunc, {"std", "get"}, 1, 1}; BugType BadVariantType{this, "BadVariantType", "BadVariantType"}; @@ -295,4 +297,4 @@ bool clang::ento::shouldRegisterStdVariantChecker( void clang::ento::registerStdVariantChecker(clang::ento::CheckerManager &mgr) { mgr.registerChecker(); -} \ No newline at end of file +} diff --git a/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp index bd495cd0f9710de291d9aa20f76d3fea24757efb..a0aa2316a7b45dac40dc41e01ccdecd5a3b4311d 100644 --- a/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/StreamChecker.cpp @@ -600,7 +600,7 @@ struct StreamOperationEvaluator { SValBuilder &SVB; const ASTContext &ACtx; - SymbolRef StreamSym; + SymbolRef StreamSym = nullptr; const StreamState *SS = nullptr; const CallExpr *CE = nullptr; StreamErrorState NewES; diff --git a/clang/lib/StaticAnalyzer/Checkers/StringChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/StringChecker.cpp index 2dc9e29ca90688cf81b6a3fba1e08d79220e70c9..8f1c31763e212c31b37cf9d7eede11bce628ad38 100644 --- a/clang/lib/StaticAnalyzer/Checkers/StringChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/StringChecker.cpp @@ -27,7 +27,7 @@ class StringChecker : public Checker { mutable const FunctionDecl *StringConstCharPtrCtor = nullptr; mutable CanQualType SizeTypeTy; const CallDescription TwoParamStdStringCtor = { - {"std", "basic_string", "basic_string"}, 2, 2}; + CDM::CXXMethod, {"std", "basic_string", "basic_string"}, 2, 2}; bool isCharToStringCtor(const CallEvent &Call, const ASTContext &ACtx) const; diff --git a/clang/lib/StaticAnalyzer/Checkers/Taint.cpp b/clang/lib/StaticAnalyzer/Checkers/Taint.cpp index 4edb671753bf453bc466333d60e53f02f48e83b9..6362c82b009d7284c9e72638ac6ca0b97d02597e 100644 --- a/clang/lib/StaticAnalyzer/Checkers/Taint.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/Taint.cpp @@ -216,21 +216,17 @@ std::vector taint::getTaintedSymbolsImpl(ProgramStateRef State, std::vector TaintedSymbols; if (!Reg) return TaintedSymbols; - // Element region (array element) is tainted if either the base or the offset - // are tainted. + + // Element region (array element) is tainted if the offset is tainted. if (const ElementRegion *ER = dyn_cast(Reg)) { std::vector TaintedIndex = getTaintedSymbolsImpl(State, ER->getIndex(), K, returnFirstOnly); llvm::append_range(TaintedSymbols, TaintedIndex); if (returnFirstOnly && !TaintedSymbols.empty()) return TaintedSymbols; // return early if needed - std::vector TaintedSuperRegion = - getTaintedSymbolsImpl(State, ER->getSuperRegion(), K, returnFirstOnly); - llvm::append_range(TaintedSymbols, TaintedSuperRegion); - if (returnFirstOnly && !TaintedSymbols.empty()) - return TaintedSymbols; // return early if needed } + // Symbolic region is tainted if the corresponding symbol is tainted. if (const SymbolicRegion *SR = dyn_cast(Reg)) { std::vector TaintedRegions = getTaintedSymbolsImpl(State, SR->getSymbol(), K, returnFirstOnly); @@ -239,6 +235,8 @@ std::vector taint::getTaintedSymbolsImpl(ProgramStateRef State, return TaintedSymbols; // return early if needed } + // Any subregion (including Element and Symbolic regions) is tainted if its + // super-region is tainted. if (const SubRegion *ER = dyn_cast(Reg)) { std::vector TaintedSubRegions = getTaintedSymbolsImpl(State, ER->getSuperRegion(), K, returnFirstOnly); @@ -318,4 +316,4 @@ std::vector taint::getTaintedSymbolsImpl(ProgramStateRef State, } } return TaintedSymbols; -} \ No newline at end of file +} diff --git a/clang/lib/StaticAnalyzer/Checkers/WebKit/PtrTypesSemantics.h b/clang/lib/StaticAnalyzer/Checkers/WebKit/PtrTypesSemantics.h index 9ed8e7cab6abb9ed1484829899d926e7bb134239..ec1db1cc3358073d4d4d2dc6c14a97bb96edd600 100644 --- a/clang/lib/StaticAnalyzer/Checkers/WebKit/PtrTypesSemantics.h +++ b/clang/lib/StaticAnalyzer/Checkers/WebKit/PtrTypesSemantics.h @@ -50,6 +50,9 @@ std::optional isUncounted(const clang::CXXRecordDecl* Class); /// class, false if not, std::nullopt if inconclusive. std::optional isUncountedPtr(const clang::Type* T); +/// \returns true if Name is a RefPtr, Ref, or its variant, false if not. +bool isRefType(const std::string &Name); + /// \returns true if \p F creates ref-countable object from uncounted parameter, /// false if not. bool isCtorOfRefCounted(const clang::FunctionDecl *F); diff --git a/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedCallArgsChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedCallArgsChecker.cpp index 8b41a949fd67345e6923b263bea6a20ef190c3ca..ae494de58da3da16b7babae11a25db9d938ecc5b 100644 --- a/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedCallArgsChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/WebKit/UncountedCallArgsChecker.cpp @@ -53,6 +53,13 @@ public: bool shouldVisitTemplateInstantiations() const { return true; } bool shouldVisitImplicitCode() const { return false; } + bool TraverseClassTemplateDecl(ClassTemplateDecl *Decl) { + if (isRefType(safeGetName(Decl))) + return true; + return RecursiveASTVisitor::TraverseClassTemplateDecl( + Decl); + } + bool VisitCallExpr(const CallExpr *CE) { Checker->visitCallExpr(CE); return true; diff --git a/clang/lib/StaticAnalyzer/Checkers/cert/PutenvWithAutoChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/cert/PutenvWithAutoChecker.cpp index eae162cda6931073b0d965a8b006f30f59e28fe4..a82f7caf16b291f2b018671658fe62d044105551 100644 --- a/clang/lib/StaticAnalyzer/Checkers/cert/PutenvWithAutoChecker.cpp +++ b/clang/lib/StaticAnalyzer/Checkers/cert/PutenvWithAutoChecker.cpp @@ -30,7 +30,7 @@ class PutenvWithAutoChecker : public Checker { private: BugType BT{this, "'putenv' function should not be called with auto variables", categories::SecurityError}; - const CallDescription Putenv{{"putenv"}, 1}; + const CallDescription Putenv{CDM::CLibrary, {"putenv"}, 1}; public: void checkPostCall(const CallEvent &Call, CheckerContext &C) const; diff --git a/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp b/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp index 09c69f9612d96b8ed81baca77adce23b741e5c79..0b1edf3e5c96bf531883ea4553c7330d138d74f9 100644 --- a/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp +++ b/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp @@ -1948,7 +1948,7 @@ void ExprEngine::Visit(const Stmt *S, ExplodedNode *Pred, case Stmt::CXXPseudoDestructorExprClass: case Stmt::SubstNonTypeTemplateParmExprClass: case Stmt::CXXNullPtrLiteralExprClass: - case Stmt::OMPArraySectionExprClass: + case Stmt::ArraySectionExprClass: case Stmt::OMPArrayShapingExprClass: case Stmt::OMPIteratorExprClass: case Stmt::SYCLUniqueStableNameExprClass: diff --git a/clang/lib/StaticAnalyzer/Core/RegionStore.cpp b/clang/lib/StaticAnalyzer/Core/RegionStore.cpp index 755a8c4b22fd9e907a68de2fbd3ec441ac29a8ec..ba29c12313901686c5939a20dbeadc8610971fad 100644 --- a/clang/lib/StaticAnalyzer/Core/RegionStore.cpp +++ b/clang/lib/StaticAnalyzer/Core/RegionStore.cpp @@ -2358,11 +2358,12 @@ StoreRef RegionStoreManager::killBinding(Store ST, Loc L) { RegionBindingsRef RegionStoreManager::bind(RegionBindingsConstRef B, Loc L, SVal V) { - if (L.getAs()) + // We only care about region locations. + auto MemRegVal = L.getAs(); + if (!MemRegVal) return B; - // If we get here, the location should be a region. - const MemRegion *R = L.castAs().getRegion(); + const MemRegion *R = MemRegVal->getRegion(); // Check if the region is a struct region. if (const TypedValueRegion* TR = dyn_cast(R)) { @@ -2570,7 +2571,7 @@ std::optional RegionStoreManager::tryBindSmallStruct( return std::nullopt; for (const auto *FD : RD->fields()) { - if (FD->isUnnamedBitfield()) + if (FD->isUnnamedBitField()) continue; // If there are too many fields, or if any of the fields are aggregates, @@ -2697,7 +2698,7 @@ RegionBindingsRef RegionStoreManager::bindStruct(RegionBindingsConstRef B, break; // Skip any unnamed bitfields to stay in sync with the initializers. - if (FI->isUnnamedBitfield()) + if (FI->isUnnamedBitField()) continue; QualType FTy = FI->getType(); diff --git a/clang/lib/Tooling/DependencyScanning/DependencyScanningWorker.cpp b/clang/lib/Tooling/DependencyScanning/DependencyScanningWorker.cpp index 32850f5eea92a945b99a164b9bc0b7209d841071..0c047b6c5da2f8007a7e4d17c8d8d06d8da549a0 100644 --- a/clang/lib/Tooling/DependencyScanning/DependencyScanningWorker.cpp +++ b/clang/lib/Tooling/DependencyScanning/DependencyScanningWorker.cpp @@ -439,6 +439,9 @@ public: if (Result) setLastCC1Arguments(std::move(OriginalInvocation)); + // Propagate the statistics to the parent FileManager. + DriverFileMgr->AddStats(ScanInstance.getFileManager()); + return Result; } diff --git a/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp b/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp index e19f19b2528c1540912bc3fe359a0193fe66c977..f46324ee9989eb87ad06a28a344f9c0cf8431b22 100644 --- a/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp +++ b/clang/lib/Tooling/DependencyScanning/ModuleDepCollector.cpp @@ -179,6 +179,11 @@ makeCommonInvocationForModuleBuild(CompilerInvocation CI) { CI.resetNonModularOptions(); CI.clearImplicitModuleBuildOptions(); + // The scanner takes care to avoid passing non-affecting module maps to the + // explicit compiles. No need to do extra work just to find out there are no + // module map files to prune. + CI.getHeaderSearchOpts().ModulesPruneNonAffectingModuleMaps = false; + // Remove options incompatible with explicit module build or are likely to // differ between identical modules discovered from different translation // units. diff --git a/clang/test/APINotes/Inputs/Headers/SwiftImportAs.apinotes b/clang/test/APINotes/Inputs/Headers/SwiftImportAs.apinotes index 5dbb83cab86bd7968b3e9248ef9f8bcdf8762130..b0eead42869a4124508364c4c793806a70582da9 100644 --- a/clang/test/APINotes/Inputs/Headers/SwiftImportAs.apinotes +++ b/clang/test/APINotes/Inputs/Headers/SwiftImportAs.apinotes @@ -7,3 +7,7 @@ Tags: SwiftImportAs: reference SwiftReleaseOp: RCRelease SwiftRetainOp: RCRetain +- Name: NonCopyableType + SwiftCopyable: false +- Name: CopyableType + SwiftCopyable: true diff --git a/clang/test/APINotes/Inputs/Headers/SwiftImportAs.h b/clang/test/APINotes/Inputs/Headers/SwiftImportAs.h index 82b8a6749c4fe2a8a714db5b2622cc8ab61f2b69..a8f6d0248eae4055e5e3e49e00e371aa0d9e3aeb 100644 --- a/clang/test/APINotes/Inputs/Headers/SwiftImportAs.h +++ b/clang/test/APINotes/Inputs/Headers/SwiftImportAs.h @@ -4,3 +4,6 @@ struct RefCountedType { int value; }; inline void RCRetain(RefCountedType *x) { x->value++; } inline void RCRelease(RefCountedType *x) { x->value--; } + +struct NonCopyableType { int value; }; +struct CopyableType { int value; }; diff --git a/clang/test/APINotes/swift-import-as.cpp b/clang/test/APINotes/swift-import-as.cpp index 904857e5859303f9f498c98c6e7717bff9c4a2c7..103cf02f431afbd93a25f2e9c22122f058c64a0b 100644 --- a/clang/test/APINotes/swift-import-as.cpp +++ b/clang/test/APINotes/swift-import-as.cpp @@ -2,6 +2,8 @@ // RUN: %clang_cc1 -fmodules -fblocks -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules -fsyntax-only -I %S/Inputs/Headers %s -x c++ // RUN: %clang_cc1 -fmodules -fblocks -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules -fsyntax-only -I %S/Inputs/Headers %s -x c++ -ast-dump -ast-dump-filter ImmortalRefType | FileCheck -check-prefix=CHECK-IMMORTAL %s // RUN: %clang_cc1 -fmodules -fblocks -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules -fsyntax-only -I %S/Inputs/Headers %s -x c++ -ast-dump -ast-dump-filter RefCountedType | FileCheck -check-prefix=CHECK-REF-COUNTED %s +// RUN: %clang_cc1 -fmodules -fblocks -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules -fsyntax-only -I %S/Inputs/Headers %s -x c++ -ast-dump -ast-dump-filter NonCopyableType | FileCheck -check-prefix=CHECK-NON-COPYABLE %s +// RUN: %clang_cc1 -fmodules -fblocks -fimplicit-module-maps -fmodules-cache-path=%t/ModulesCache -fdisable-module-hash -fapinotes-modules -fsyntax-only -I %S/Inputs/Headers %s -x c++ -ast-dump -ast-dump-filter CopyableType | FileCheck -check-prefix=CHECK-COPYABLE %s #include @@ -14,3 +16,11 @@ // CHECK-REF-COUNTED: SwiftAttrAttr {{.+}} <> "import_reference" // CHECK-REF-COUNTED: SwiftAttrAttr {{.+}} <> "retain:RCRetain" // CHECK-REF-COUNTED: SwiftAttrAttr {{.+}} <> "release:RCRelease" + +// CHECK-NON-COPYABLE: Dumping NonCopyableType: +// CHECK-NON-COPYABLE-NEXT: CXXRecordDecl {{.+}} imported in SwiftImportAs {{.+}} struct NonCopyableType +// CHECK-NON-COPYABLE: SwiftAttrAttr {{.+}} <> "~Copyable" + +// CHECK-COPYABLE: Dumping CopyableType: +// CHECK-COPYABLE-NEXT: CXXRecordDecl {{.+}} imported in SwiftImportAs {{.+}} struct CopyableType +// CHECK-COPYABLE-NOT: SwiftAttrAttr diff --git a/clang/test/AST/HLSL/this-reference-template.hlsl b/clang/test/AST/HLSL/this-reference-template.hlsl index 60e057986ebf80fb5fec81fa80a276661c180b82..d427e73044b788f26df5fc8028f2d1bda2812e4f 100644 --- a/clang/test/AST/HLSL/this-reference-template.hlsl +++ b/clang/test/AST/HLSL/this-reference-template.hlsl @@ -24,7 +24,7 @@ void main() { // CHECK: -CXXMethodDecl 0x{{[0-9A-Fa-f]+}} line:8:5 getFirst 'K ()' implicit-inline // CHECK-NEXT:-CompoundStmt 0x{{[0-9A-Fa-f]+}} // CHECK-NEXT:-ReturnStmt 0x{{[0-9A-Fa-f]+}} -// CHECK-NEXT:-CXXDependentScopeMemberExpr 0x{{[0-9A-Fa-f]+}} '' lvalue .First +// CHECK-NEXT:-MemberExpr 0x{{[0-9A-Fa-f]+}} 'K' lvalue .First 0x{{[0-9A-Fa-f]+}} // CHECK-NEXT:-CXXThisExpr 0x{{[0-9A-Fa-f]+}} 'Pair' lvalue this // CHECK-NEXT:-CXXMethodDecl 0x{{[0-9A-Fa-f]+}} line:12:5 getSecond 'V ()' implicit-inline // CHECK-NEXT:-CompoundStmt 0x{{[0-9A-Fa-f]+}} diff --git a/clang/test/AST/Interp/builtin-functions.cpp b/clang/test/AST/Interp/builtin-functions.cpp index 1a29a664d7ce5497495b4948484b4707b63e4fed..0cbab1fcd91d091ce85d7ce0afaaecca85cfa148 100644 --- a/clang/test/AST/Interp/builtin-functions.cpp +++ b/clang/test/AST/Interp/builtin-functions.cpp @@ -633,3 +633,9 @@ void test7(void) { X = CFSTR("foo", "bar"); // both-error {{too many arguments to function call}} #endif } + +/// The actual value on my machine is 22, but I have a feeling this will be different +/// on other targets, so just checking for != 0 here. Light testing is fine since +/// the actual implementation uses analyze_os_log::computeOSLogBufferLayout(), which +/// is tested elsewhere. +static_assert(__builtin_os_log_format_buffer_size("%{mask.xyz}s", "abc") != 0, ""); diff --git a/clang/test/AST/Interp/c.c b/clang/test/AST/Interp/c.c index e0b18120fd2110dc61ea93ef5863d96331e87d5d..207da5fe812608497cc67088ac208597f92929bb 100644 --- a/clang/test/AST/Interp/c.c +++ b/clang/test/AST/Interp/c.c @@ -233,3 +233,40 @@ _Static_assert(funcp == (void*)0, ""); // all-error {{failed due to requirement // pedantic-warning {{expression is not an integer constant expression}} _Static_assert(funcp == (void*)123, ""); // pedantic-warning {{equality comparison between function pointer and void pointer}} \ // pedantic-warning {{expression is not an integer constant expression}} + +void unaryops(void) { + (void)(++(struct x {unsigned x;}){3}.x); + (void)(--(struct y {unsigned x;}){3}.x); + (void)(++(struct z {float x;}){3}.x); + (void)(--(struct w {float x;}){3}.x); + + (void)((struct xx {unsigned x;}){3}.x++); + (void)((struct yy {unsigned x;}){3}.x--); + (void)((struct zz {float x;}){3}.x++); + (void)((struct ww {float x;}){3}.x--); +} + +/// This used to fail because we didn't properly mark the struct +/// initialized through a CompoundLiteralExpr as initialized. +struct TestStruct { + int a; + int b; +}; +int Y __attribute__((annotate( + "GlobalValAnnotationWithArgs", + 42, + (struct TestStruct) { .a = 1, .b = 2 } +))); + +#ifdef __SIZEOF_INT128__ +const int *p = &b; +const __int128 K = (__int128)(int*)0; +const unsigned __int128 KU = (unsigned __int128)(int*)0; +#endif + + +int test3(void) { + int a[2]; + a[0] = test3; // all-error {{incompatible pointer to integer conversion assigning to 'int' from 'int (void)'}} + return 0; +} diff --git a/clang/test/AST/Interp/cxx23.cpp b/clang/test/AST/Interp/cxx23.cpp index f0325eef6d87cfbb7763b64574d76bea1da7f868..d1ec93e99803e558918f79e7645a6c651c73205a 100644 --- a/clang/test/AST/Interp/cxx23.cpp +++ b/clang/test/AST/Interp/cxx23.cpp @@ -141,3 +141,32 @@ struct check_ice { }; }; static_assert(check_ice<42>::x == 42); + + +namespace VirtualBases { + namespace One { + struct U { int n; }; + struct V : U { int n; }; + struct A : virtual V { int n; }; + struct Aa { int n; }; + struct B : virtual A, Aa {}; + struct C : virtual A, Aa {}; + struct D : B, C {}; + + /// Calls the constructor of D. + D d; + } +} + +namespace LabelGoto { + constexpr int foo() { // all20-error {{never produces a constant expression}} + a: // all20-warning {{use of this statement in a constexpr function is a C++23 extension}} + goto a; // all20-note 2{{subexpression not valid in a constant expression}} \ + // ref23-note {{subexpression not valid in a constant expression}} \ + // expected23-note {{subexpression not valid in a constant expression}} + + return 1; + } + static_assert(foo() == 1, ""); // all-error {{not an integral constant expression}} \ + // all-note {{in call to}} +} diff --git a/clang/test/AST/Interp/functions.cpp b/clang/test/AST/Interp/functions.cpp index f9bb5d53634e0ba0cbcfe20d47a3f8ee0e33525b..a5bb9f1a19aaa7fe169cdfef09ee8506caa42a14 100644 --- a/clang/test/AST/Interp/functions.cpp +++ b/clang/test/AST/Interp/functions.cpp @@ -601,3 +601,19 @@ namespace FromIntegral { // both-warning {{variable length arrays}} #endif } + +namespace { + template using id = T; + template + constexpr void g() { + constexpr id f; + } + + static_assert((g(), true), ""); +} + +namespace { + /// The InitListExpr here is of void type. + void bir [[clang::annotate("B", {1, 2, 3, 4})]] (); // both-error {{'annotate' attribute requires parameter 1 to be a constant expression}} \ + // both-note {{subexpression not valid in a constant expression}} +} diff --git a/clang/test/AST/Interp/literals.cpp b/clang/test/AST/Interp/literals.cpp index 277438d2e6311431e60bb3c81a08261cf568e17a..2688b53adde2483bb801715f151f23ee44578926 100644 --- a/clang/test/AST/Interp/literals.cpp +++ b/clang/test/AST/Interp/literals.cpp @@ -1209,4 +1209,16 @@ constexpr int externvar1() { // both-error {{never produces a constant expressio namespace Extern { constexpr extern char Oops = 1; static_assert(Oops == 1, ""); + +#if __cplusplus >= 201402L + struct NonLiteral { + NonLiteral() {} + }; + NonLiteral nl; + constexpr NonLiteral &ExternNonLiteralVarDecl() { + extern NonLiteral nl; + return nl; + } + static_assert(&ExternNonLiteralVarDecl() == &nl, ""); +#endif } diff --git a/clang/test/AST/Interp/opencl.cl b/clang/test/AST/Interp/opencl.cl new file mode 100644 index 0000000000000000000000000000000000000000..fd7756fff7c11e807bf71ba1c36950b19f806c22 --- /dev/null +++ b/clang/test/AST/Interp/opencl.cl @@ -0,0 +1,38 @@ +// RUN: %clang_cc1 -fsyntax-only -cl-std=CL2.0 -verify=ref,both %s +// RUN: %clang_cc1 -fsyntax-only -cl-std=CL2.0 -verify=expected,both %s -fexperimental-new-constant-interpreter + +// both-no-diagnostics + +typedef int int2 __attribute__((ext_vector_type(2))); +typedef int int3 __attribute__((ext_vector_type(3))); +typedef int int4 __attribute__((ext_vector_type(4))); +typedef int int8 __attribute__((ext_vector_type(8))); +typedef int int16 __attribute__((ext_vector_type(16))); + +void foo(int3 arg1, int8 arg2) { + int4 auto1; + int16 *auto2; + int auto3; + int2 auto4; + struct S *incomplete1; + + int res1[vec_step(arg1) == 4 ? 1 : -1]; + int res2[vec_step(arg2) == 8 ? 1 : -1]; + int res3[vec_step(auto1) == 4 ? 1 : -1]; + int res4[vec_step(*auto2) == 16 ? 1 : -1]; + int res5[vec_step(auto3) == 1 ? 1 : -1]; + int res6[vec_step(auto4) == 2 ? 1 : -1]; + int res7[vec_step(int2) == 2 ? 1 : -1]; + int res8[vec_step(int3) == 4 ? 1 : -1]; + int res9[vec_step(int4) == 4 ? 1 : -1]; + int res10[vec_step(int8) == 8 ? 1 : -1]; + int res11[vec_step(int16) == 16 ? 1 : -1]; + int res12[vec_step(void) == 1 ? 1 : -1]; +} + +void negativeShift32(int a,int b) { + char array0[((int)1)<<40]; +} + +int2 A = {1,2}; +int4 B = {(int2)(1,2), (int2)(3,4)}; diff --git a/clang/test/AST/Interp/records.cpp b/clang/test/AST/Interp/records.cpp index 2c33fa1bf884324486947a277ebfa792da9c3994..771e5adfca34a45fcc60aeffbd9807176b6639b7 100644 --- a/clang/test/AST/Interp/records.cpp +++ b/clang/test/AST/Interp/records.cpp @@ -90,8 +90,7 @@ struct Ints2 { int a = 10; int b; }; -constexpr Ints2 ints22; // both-error {{without a user-provided default constructor}} \ - // expected-error {{must be initialized by a constant expression}} +constexpr Ints2 ints22; // both-error {{without a user-provided default constructor}} constexpr Ints2 I2 = Ints2{12, 25}; static_assert(I2.a == 12, ""); @@ -1031,6 +1030,12 @@ namespace ParenInit { // both-note {{required by 'constinit' specifier}} \ // both-note {{reference to temporary is not a constant expression}} \ // both-note {{temporary created here}} + + + /// Initializing an array. + constexpr void bar(int i, int j) { + int arr[4](i, j); + } } #endif @@ -1317,3 +1322,121 @@ namespace { F f; static_assert(f.Z == 12, ""); } + +namespace UnnamedBitFields { + struct A { + int : 1; + double f; + int : 1; + char c; + }; + + constexpr A a = (A){1.0, 'a'}; + static_assert(a.f == 1.0, ""); + static_assert(a.c == 'a', ""); +} + +/// FIXME: This still doesn't work in the new interpreter because +/// we lack type information for dummy pointers. +namespace VirtualBases { + /// This used to crash. + namespace One { + class A { + protected: + int x; + }; + class B : public virtual A { + public: + int getX() { return x; } // ref-note {{declared here}} + }; + + class DV : virtual public B{}; + + void foo() { + DV b; + int a[b.getX()]; // both-warning {{variable length arrays}} \ + // ref-note {{non-constexpr function 'getX' cannot be used}} + } + } + + namespace Two { + struct U { int n; }; + struct A : virtual U { int n; }; + struct B : A {}; + B a; + static_assert((U*)(A*)(&a) == (U*)(&a), ""); + + struct C : virtual A {}; + struct D : B, C {}; + D d; + constexpr B *p = &d; + constexpr C *q = &d; + static_assert((A*)p == (A*)q, ""); // both-error {{failed}} + } + + namespace Three { + struct U { int n; }; + struct V : U { int n; }; + struct A : virtual V { int n; }; + struct Aa { int n; }; + struct B : virtual A, Aa {}; + + struct C : virtual A, Aa {}; + + struct D : B, C {}; + + D d; + + constexpr B *p = &d; + constexpr C *q = &d; + + static_assert((void*)p != (void*)q, ""); + static_assert((A*)p == (A*)q, ""); + static_assert((Aa*)p != (Aa*)q, ""); + + constexpr V *v = p; + constexpr V *w = q; + constexpr V *x = (A*)p; + static_assert(v == w, ""); + static_assert(v == x, ""); + + static_assert((U*)&d == p, ""); + static_assert((U*)&d == q, ""); + static_assert((U*)&d == v, ""); + static_assert((U*)&d == w, ""); + static_assert((U*)&d == x, ""); + + struct X {}; + struct Y1 : virtual X {}; + struct Y2 : X {}; + struct Z : Y1, Y2 {}; + Z z; + static_assert((X*)(Y1*)&z != (X*)(Y2*)&z, ""); + } +} + +namespace ZeroInit { + struct S3 { + S3() = default; + S3(const S3&) = default; + S3(S3&&) = default; + constexpr S3(int n) : n(n) {} + int n; + }; + constexpr S3 s3d; // both-error {{default initialization of an object of const type 'const S3' without a user-provided default constructor}} + static_assert(s3d.n == 0, ""); +} + +namespace { +#if __cplusplus >= 202002L + struct C { + template constexpr C(const char (&)[N]) : n(N) {} + unsigned n; + }; + template + constexpr auto operator""_c() { return c.n; } + + constexpr auto waldo = "abc"_c; + static_assert(waldo == 4, ""); +#endif +} diff --git a/clang/test/AST/Interp/vectors.cpp b/clang/test/AST/Interp/vectors.cpp index 5c4694f122d812b6beae8f9a05670cb6e4ca52e3..49dae14fcf646f1e7b4fec1f641dc7e8b1be5893 100644 --- a/clang/test/AST/Interp/vectors.cpp +++ b/clang/test/AST/Interp/vectors.cpp @@ -8,6 +8,13 @@ static_assert(A[1] == 2, ""); // ref-error {{not an integral constant expression static_assert(A[2] == 3, ""); // ref-error {{not an integral constant expression}} static_assert(A[3] == 4, ""); // ref-error {{not an integral constant expression}} + +/// FIXME: It would be nice if the note said 'vector' instead of 'array'. +static_assert(A[12] == 4, ""); // ref-error {{not an integral constant expression}} \ + // expected-error {{not an integral constant expression}} \ + // expected-note {{cannot refer to element 12 of array of 4 elements in a constant expression}} + + /// VectorSplat casts typedef __attribute__(( ext_vector_type(4) )) float float4; constexpr float4 vec4_0 = (float4)0.5f; @@ -18,6 +25,19 @@ static_assert(vec4_0[3] == 0.5, ""); // ref-error {{not an integral constant exp constexpr int vec4_0_discarded = ((float4)12.0f, 0); +/// ImplicitValueInitExpr of vector type +constexpr float4 arr4[2] = { + {1,2,3,4}, +}; +static_assert(arr4[0][0] == 1, ""); // ref-error {{not an integral constant expression}} +static_assert(arr4[0][1] == 2, ""); // ref-error {{not an integral constant expression}} +static_assert(arr4[0][2] == 3, ""); // ref-error {{not an integral constant expression}} +static_assert(arr4[0][3] == 4, ""); // ref-error {{not an integral constant expression}} +static_assert(arr4[1][0] == 0, ""); // ref-error {{not an integral constant expression}} +static_assert(arr4[1][0] == 0, ""); // ref-error {{not an integral constant expression}} +static_assert(arr4[1][0] == 0, ""); // ref-error {{not an integral constant expression}} +static_assert(arr4[1][0] == 0, ""); // ref-error {{not an integral constant expression}} + /// From constant-expression-cxx11.cpp namespace Vector { diff --git a/clang/test/AST/ast-dump-fpfeatures.cpp b/clang/test/AST/ast-dump-fpfeatures.cpp index da0011602a728e12508f32e6379e877e855b29be..68144e31a9304323af8f6303599e05d2c609cab2 100644 --- a/clang/test/AST/ast-dump-fpfeatures.cpp +++ b/clang/test/AST/ast-dump-fpfeatures.cpp @@ -1,10 +1,10 @@ // Test without serialization: -// RUN: %clang_cc1 -fsyntax-only -triple x86_64-pc-linux -std=c++11 -ast-dump %s \ +// RUN: %clang_cc1 -fsyntax-only -triple x86_64-pc-linux -std=c++11 -fcxx-exceptions -ast-dump %s \ // RUN: | FileCheck --strict-whitespace %s // Test with serialization: -// RUN: %clang_cc1 -triple x86_64-pc-linux -emit-pch -o %t %s -// RUN: %clang_cc1 -x c++ -triple x86_64-pc-linux -include-pch %t -ast-dump-all /dev/null \ +// RUN: %clang_cc1 -triple x86_64-pc-linux -emit-pch -fcxx-exceptions -o %t %s +// RUN: %clang_cc1 -x c++ -triple x86_64-pc-linux -include-pch %t -fcxx-exceptions -ast-dump-all /dev/null \ // RUN: | sed -e "s/ //" -e "s/ imported//" \ // RUN: | FileCheck --strict-whitespace %s @@ -187,3 +187,65 @@ float func_18(float x, float y) { // CHECK: CompoundStmt {{.*}} ConstRoundingMode=downward // CHECK: ReturnStmt // CHECK: BinaryOperator {{.*}} ConstRoundingMode=downward + +#pragma float_control(precise, off) + +__attribute__((optnone)) +float func_19(float x, float y) { + return x + y; +} + +// CHECK-LABEL: FunctionDecl {{.*}} func_19 'float (float, float)' +// CHECK: CompoundStmt {{.*}} MathErrno=1 +// CHECK: ReturnStmt +// CHECK: BinaryOperator {{.*}} 'float' '+' ConstRoundingMode=downward MathErrno=1 + +__attribute__((optnone)) +float func_20(float x, float y) try { + return x + y; +} catch (...) { + return 1.0; +} + +// CHECK-LABEL: FunctionDecl {{.*}} func_20 'float (float, float)' +// CHECK: CompoundStmt {{.*}} ConstRoundingMode=downward MathErrno=1 +// CHECK: ReturnStmt +// CHECK: BinaryOperator {{.*}} 'float' '+' ConstRoundingMode=downward MathErrno=1 + +struct C21 { + C21(float x, float y); + __attribute__((optnone)) float a_method(float x, float y) { + return x * y; + } + float member; +}; + +// CHECK-LABEL: CXXMethodDecl {{.*}} a_method 'float (float, float)' +// CHECK: CompoundStmt {{.*}} ConstRoundingMode=downward MathErrno=1 +// CHECK: ReturnStmt +// CHECK: BinaryOperator {{.*}} 'float' '*' ConstRoundingMode=downward MathErrno=1 + +__attribute__((optnone)) C21::C21(float x, float y) : member(x + y) {} + +// CHECK-LABEL: CXXConstructorDecl {{.*}} C21 'void (float, float)' +// CHECK: CXXCtorInitializer {{.*}} 'member' 'float' +// CHECK: BinaryOperator {{.*}} 'float' '+' ConstRoundingMode=downward MathErrno=1 + +template +__attribute__((optnone)) T func_22(T x, T y) { + return x + y; +} + +// CHECK-LABEL: FunctionTemplateDecl {{.*}} func_22 +// CHECK: FunctionDecl {{.*}} func_22 'T (T, T)' +// CHECK: CompoundStmt {{.*}} ConstRoundingMode=downward MathErrno=1 +// CHECK: ReturnStmt +// CHECK: BinaryOperator {{.*}} '+' ConstRoundingMode=downward MathErrno=1 +// CHECK: FunctionDecl {{.*}} func_22 'float (float, float)' +// CHECK: CompoundStmt {{.*}} ConstRoundingMode=downward MathErrno=1 +// CHECK: ReturnStmt +// CHECK: BinaryOperator {{.*}} 'float' '+' ConstRoundingMode=downward MathErrno=1 + +float func_23(float x, float y) { + return func_22(x, y); +} \ No newline at end of file diff --git a/clang/test/AST/ast-dump-fpfeatures.m b/clang/test/AST/ast-dump-fpfeatures.m new file mode 100644 index 0000000000000000000000000000000000000000..cf77529a75681173c16ca9af00be64ae32da4051 --- /dev/null +++ b/clang/test/AST/ast-dump-fpfeatures.m @@ -0,0 +1,29 @@ +// Test without serialization: +// RUN: %clang_cc1 -fsyntax-only -triple x86_64-pc-linux -ast-dump %s \ +// RUN: | FileCheck --strict-whitespace %s + +// Test with serialization: +// RUN: %clang_cc1 -triple x86_64-pc-linux -emit-pch -o %t %s +// RUN: %clang_cc1 -x objective-c -triple x86_64-pc-linux -include-pch %t -ast-dump-all /dev/null \ +// RUN: | sed -e "s/ //" -e "s/ imported//" \ +// RUN: | FileCheck --strict-whitespace %s + + +@interface Adder +- (float) sum: (float)x with: (float)y __attribute((optnone)); +@end + +#pragma float_control(precise, off) + +@implementation Adder +- (float) sum: (float)x with: (float)y __attribute((optnone)) { + return x + y; +} + +@end + +// CHECK-LABEL: ObjCImplementationDecl {{.*}} Adder +// CHECK: ObjCMethodDecl {{.*}} - sum:with: 'float' +// CHECK: CompoundStmt {{.*}} MathErrno=1 +// CHECK-NEXT: ReturnStmt +// CHECK-NEXT: BinaryOperator {{.*}} 'float' '+' MathErrno=1 diff --git a/clang/test/AST/ast-dump-late-parsing.cpp b/clang/test/AST/ast-dump-late-parsing.cpp new file mode 100644 index 0000000000000000000000000000000000000000..760664efc5f142de0ac63c2ba8eaec29ca69612a --- /dev/null +++ b/clang/test/AST/ast-dump-late-parsing.cpp @@ -0,0 +1,24 @@ +// RUN: %clang_cc1 -fsyntax-only -triple x86_64-pc-linux -std=c++11 -fcxx-exceptions -fdelayed-template-parsing -ast-dump %s \ +// RUN: | FileCheck %s + +#pragma STDC FENV_ROUND FE_DOWNWARD +#pragma float_control(precise, off) + +template +__attribute__((optnone)) T func_22(T x, T y) { + return x + y; +} + +// CHECK-LABEL: FunctionTemplateDecl {{.*}} func_22 +// CHECK: FunctionDecl {{.*}} func_22 'T (T, T)' +// CHECK: CompoundStmt {{.*}} ConstRoundingMode=downward MathErrno=1 +// CHECK: ReturnStmt +// CHECK: BinaryOperator {{.*}} '+' ConstRoundingMode=downward MathErrno=1 +// CHECK: FunctionDecl {{.*}} func_22 'float (float, float)' +// CHECK: CompoundStmt {{.*}} ConstRoundingMode=downward MathErrno=1 +// CHECK: ReturnStmt +// CHECK: BinaryOperator {{.*}} 'float' '+' ConstRoundingMode=downward MathErrno=1 + +float func_23(float x, float y) { + return func_22(x, y); +} diff --git a/clang/test/AST/ast-dump-macro-json.c b/clang/test/AST/ast-dump-macro-json.c index 96f4be6fec3ddfe63d677b2fc11c2d991f89de7e..fb9b4118b4f1787eb8817c8e65084beef8f26159 100644 --- a/clang/test/AST/ast-dump-macro-json.c +++ b/clang/test/AST/ast-dump-macro-json.c @@ -132,7 +132,7 @@ void BLAP(foo, __COUNTER__)(void); // CHECK-NEXT: "spellingLoc": { // CHECK-NEXT: "offset": {{[0-9]+}}, // CHECK-NEXT: "file": "", -// CHECK-NEXT: "line": 3, +// CHECK-NEXT: "line": 5, // CHECK-NEXT: "col": 1, // CHECK-NEXT: "tokLen": 4 // CHECK-NEXT: }, @@ -169,7 +169,7 @@ void BLAP(foo, __COUNTER__)(void); // CHECK-NEXT: "spellingLoc": { // CHECK-NEXT: "offset": {{[0-9]+}}, // CHECK-NEXT: "file": "", -// CHECK-NEXT: "line": 5, +// CHECK-NEXT: "line": 7, // CHECK-NEXT: "col": 1, // CHECK-NEXT: "tokLen": 4 // CHECK-NEXT: }, diff --git a/clang/test/AST/ast-dump-pragma-unroll.cpp b/clang/test/AST/ast-dump-pragma-unroll.cpp new file mode 100644 index 0000000000000000000000000000000000000000..f9c254b803ff2b277ba11579e34659a99587c21d --- /dev/null +++ b/clang/test/AST/ast-dump-pragma-unroll.cpp @@ -0,0 +1,31 @@ +// RUN: %clang_cc1 -triple x86_64-unknown-unknown -ast-dump %s | FileCheck %s + +using size_t = unsigned long long; + +// CHECK: LoopHintAttr {{.*}} Implicit unroll UnrollCount Numeric +// CHECK: LoopHintAttr {{.*}} Implicit unroll UnrollCount Numeric +// CHECK: LoopHintAttr {{.*}} Implicit unroll Unroll Disable +// CHECK: LoopHintAttr {{.*}} Implicit unroll Unroll Disable +template +int value_dependent(int n) { + constexpr int N = 100; + auto init = [=]() { return Flag ? n : 0UL; }; + auto cond = [=](size_t ix) { return Flag ? ix != 0 : ix < 10; }; + auto iter = [=](size_t ix) { + return Flag ? ix & ~(1ULL << __builtin_clzll(ix)) : ix + 1; + }; + +#pragma unroll Flag ? 1 : N + for (size_t ix = init(); cond(ix); ix = iter(ix)) { + n *= n; + } +#pragma unroll Flag ? 0 : N + for (size_t ix = init(); cond(ix); ix = iter(ix)) { + n *= n; + } + return n; +} + +void test_value_dependent(int n) { + value_dependent(n); +} diff --git a/clang/test/AST/ast-dump-recovery.cpp b/clang/test/AST/ast-dump-recovery.cpp index cfb013585ad7443a52d53475e8661810d6ae670b..77527743fe85772c1e3d155c2ca075135926acd0 100644 --- a/clang/test/AST/ast-dump-recovery.cpp +++ b/clang/test/AST/ast-dump-recovery.cpp @@ -413,6 +413,14 @@ void RecoveryExprForInvalidDecls(Unknown InvalidDecl) { // CHECK-NEXT: `-RecoveryExpr {{.*}} '' } +void InitializerOfInvalidDecl() { + int ValidDecl; + Unkown InvalidDecl = ValidDecl; + // CHECK: VarDecl {{.*}} invalid InvalidDecl + // CHECK-NEXT: `-RecoveryExpr {{.*}} '' contains-errors + // CHECK-NEXT: `-DeclRefExpr {{.*}} 'int' lvalue Var {{.*}} 'ValidDecl' +} + void RecoverToAnInvalidDecl() { Unknown* foo; // invalid decl goo; // the typo was correct to the invalid foo. diff --git a/clang/test/AST/ast-dump-template-json-win32-mangler-crash.cpp b/clang/test/AST/ast-dump-template-json-win32-mangler-crash.cpp index 8c03b58abb0edb6a81a290ff714e87441f0b07cf..5ac55d269dce48507b9805e8e1345fedc8b5c6d1 100644 --- a/clang/test/AST/ast-dump-template-json-win32-mangler-crash.cpp +++ b/clang/test/AST/ast-dump-template-json-win32-mangler-crash.cpp @@ -1846,6 +1846,42 @@ int main() // CHECK-NEXT: "kind": "VarTemplateDecl", // CHECK-NEXT: "name": "is_const_v" // CHECK-NEXT: } +// CHECK-NEXT: ], +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "kind": "TemplateArgument", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "const _Ty" +// CHECK-NEXT: }, +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "QualType", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "const _Ty" +// CHECK-NEXT: }, +// CHECK-NEXT: "qualifiers": "const", +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmType", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "_Ty" +// CHECK-NEXT: }, +// CHECK-NEXT: "isDependent": true, +// CHECK-NEXT: "isInstantiationDependent": true, +// CHECK-NEXT: "depth": 0, +// CHECK-NEXT: "index": 0, +// CHECK-NEXT: "decl": { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmDecl", +// CHECK-NEXT: "name": "_Ty" +// CHECK-NEXT: } +// CHECK-NEXT: } +// CHECK-NEXT: ] +// CHECK-NEXT: } +// CHECK-NEXT: ] +// CHECK-NEXT: } // CHECK-NEXT: ] // CHECK-NEXT: } // CHECK-NEXT: ] @@ -1900,6 +1936,32 @@ int main() // CHECK-NEXT: "kind": "VarTemplateDecl", // CHECK-NEXT: "name": "is_reference_v" // CHECK-NEXT: } +// CHECK-NEXT: ], +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "kind": "TemplateArgument", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "_Ty" +// CHECK-NEXT: }, +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmType", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "_Ty" +// CHECK-NEXT: }, +// CHECK-NEXT: "isDependent": true, +// CHECK-NEXT: "isInstantiationDependent": true, +// CHECK-NEXT: "depth": 0, +// CHECK-NEXT: "index": 0, +// CHECK-NEXT: "decl": { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmDecl", +// CHECK-NEXT: "name": "_Ty" +// CHECK-NEXT: } +// CHECK-NEXT: } +// CHECK-NEXT: ] +// CHECK-NEXT: } // CHECK-NEXT: ] // CHECK-NEXT: } // CHECK-NEXT: ] @@ -2565,6 +2627,32 @@ int main() // CHECK-NEXT: "kind": "VarTemplateDecl", // CHECK-NEXT: "name": "is_function_v" // CHECK-NEXT: } +// CHECK-NEXT: ], +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "kind": "TemplateArgument", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "_Ty1" +// CHECK-NEXT: }, +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmType", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "_Ty1" +// CHECK-NEXT: }, +// CHECK-NEXT: "isDependent": true, +// CHECK-NEXT: "isInstantiationDependent": true, +// CHECK-NEXT: "depth": 0, +// CHECK-NEXT: "index": 0, +// CHECK-NEXT: "decl": { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmDecl", +// CHECK-NEXT: "name": "_Ty1" +// CHECK-NEXT: } +// CHECK-NEXT: } +// CHECK-NEXT: ] +// CHECK-NEXT: } // CHECK-NEXT: ] // CHECK-NEXT: } // CHECK-NEXT: ] @@ -2725,7 +2813,25 @@ int main() // CHECK-NEXT: "type": { // CHECK-NEXT: "qualType": "bool" // CHECK-NEXT: }, -// CHECK-NEXT: "valueCategory": "prvalue" +// CHECK-NEXT: "valueCategory": "prvalue", +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmType", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "_Ty" +// CHECK-NEXT: }, +// CHECK-NEXT: "isDependent": true, +// CHECK-NEXT: "isInstantiationDependent": true, +// CHECK-NEXT: "depth": 0, +// CHECK-NEXT: "index": 0, +// CHECK-NEXT: "decl": { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmDecl", +// CHECK-NEXT: "name": "_Ty" +// CHECK-NEXT: } +// CHECK-NEXT: } +// CHECK-NEXT: ] // CHECK-NEXT: } // CHECK-NEXT: ] // CHECK-NEXT: } @@ -3003,7 +3109,25 @@ int main() // CHECK-NEXT: "type": { // CHECK-NEXT: "qualType": "bool" // CHECK-NEXT: }, -// CHECK-NEXT: "valueCategory": "prvalue" +// CHECK-NEXT: "valueCategory": "prvalue", +// CHECK-NEXT: "inner": [ +// CHECK-NEXT: { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmType", +// CHECK-NEXT: "type": { +// CHECK-NEXT: "qualType": "_Ty" +// CHECK-NEXT: }, +// CHECK-NEXT: "isDependent": true, +// CHECK-NEXT: "isInstantiationDependent": true, +// CHECK-NEXT: "depth": 0, +// CHECK-NEXT: "index": 0, +// CHECK-NEXT: "decl": { +// CHECK-NEXT: "id": "0x{{.*}}", +// CHECK-NEXT: "kind": "TemplateTypeParmDecl", +// CHECK-NEXT: "name": "_Ty" +// CHECK-NEXT: } +// CHECK-NEXT: } +// CHECK-NEXT: ] // CHECK-NEXT: } // CHECK-NEXT: ] // CHECK-NEXT: } diff --git a/clang/test/AST/ast-dump-templates.cpp b/clang/test/AST/ast-dump-templates.cpp index d25ef36dd4d32c001d54d071484cdfea2ec95181..9fcafbcbcc46b69f0acce5affb17513d164d7735 100644 --- a/clang/test/AST/ast-dump-templates.cpp +++ b/clang/test/AST/ast-dump-templates.cpp @@ -104,3 +104,17 @@ void (*q)() = f<>; // CHECK1: template<> void f<0L>() // CHECK1: template<> void f<0U>() } + +namespace test6 { +template +constexpr bool C = true; + +template +void func() { + C; +// DUMP: UnresolvedLookupExpr {{.*}} '' lvalue (no ADL) = 'C' +// DUMP-NEXT: `-TemplateArgument type 'Key' +// DUMP-NEXT: `-TemplateTypeParmType {{.*}} 'Key' dependent depth 0 index 0 +// DUMP-NEXT: `-TemplateTypeParm {{.*}} 'Key' +} +} diff --git a/clang/test/AST/ast-dump-traits.cpp b/clang/test/AST/ast-dump-traits.cpp index 99ad50f528eb796b1c35ebcae705680f19f633d9..3085e5883fd2e2836eea3932b4edc7c73cb07dfc 100644 --- a/clang/test/AST/ast-dump-traits.cpp +++ b/clang/test/AST/ast-dump-traits.cpp @@ -40,10 +40,19 @@ void test_unary_expr_or_type_trait() { // CHECK-NEXT: | | `-EnumDecl {{.*}} col:8{{( imported)?}} referenced E // CHECK-NEXT: | |-CStyleCastExpr {{.*}} 'void' // CHECK-NEXT: | | `-TypeTraitExpr {{.*}} 'bool' __is_enum +// CHECK-NEXT: | | `-ElaboratedType {{.*}} 'E' sugar +// CHECK-NEXT: | | `-EnumType {{.*}} 'E' +// CHECK-NEXT: | | `-Enum {{.*}} 'E' // CHECK-NEXT: | |-CStyleCastExpr {{.*}} 'void' // CHECK-NEXT: | | `-TypeTraitExpr {{.*}} 'bool' __is_same +// CHECK-NEXT: | | |-BuiltinType {{.*}} 'int' +// CHECK-NEXT: | | `-BuiltinType {{.*}} 'float' // CHECK-NEXT: | `-CStyleCastExpr {{.*}} 'void' // CHECK-NEXT: | `-TypeTraitExpr {{.*}} 'bool' __is_constructible +// CHECK-NEXT: |-BuiltinType {{.*}} 'int' +// CHECK-NEXT: |-BuiltinType {{.*}} 'int' +// CHECK-NEXT: |-BuiltinType {{.*}} 'int' +// CHECK-NEXT: `-BuiltinType {{.*}} 'int' // CHECK-NEXT: |-FunctionDecl {{.*}} line:20:6{{( imported)?}} test_array_type_trait 'void ()' // CHECK-NEXT: | `-CompoundStmt {{.*}} // CHECK-NEXT: | `-CStyleCastExpr {{.*}} 'void' diff --git a/clang/test/AST/ast-print-openacc-compute-construct.cpp b/clang/test/AST/ast-print-openacc-compute-construct.cpp new file mode 100644 index 0000000000000000000000000000000000000000..cd39ea087b3cadef4a40db73c95962cfe5057e0c --- /dev/null +++ b/clang/test/AST/ast-print-openacc-compute-construct.cpp @@ -0,0 +1,42 @@ +// RUN: %clang_cc1 -fopenacc -ast-print %s -o - | FileCheck %s + +void foo() { + int i; + float array[5]; +// CHECK: #pragma acc parallel default(none) +// CHECK-NEXT: while (true) +#pragma acc parallel default(none) + while(true); +// CHECK: #pragma acc serial default(present) +// CHECK-NEXT: while (true) +#pragma acc serial default(present) + while(true); +// CHECK: #pragma acc kernels if(i == array[1]) +// CHECK-NEXT: while (true) +#pragma acc kernels if(i == array[1]) + while(true); +// CHECK: #pragma acc parallel self(i == 3) +// CHECK-NEXT: while (true) +#pragma acc parallel self(i == 3) + while(true); + +// CHECK: #pragma acc parallel num_gangs(i, (int)array[2]) +// CHECK-NEXT: while (true) +#pragma acc parallel num_gangs(i, (int)array[2]) + while(true); + +// CHECK: #pragma acc parallel num_workers(i) +// CHECK-NEXT: while (true) +#pragma acc parallel num_workers(i) + while(true); + +// CHECK: #pragma acc parallel vector_length((int)array[1]) +// CHECK-NEXT: while (true) +#pragma acc parallel vector_length((int)array[1]) + while(true); + +// CHECK: #pragma acc parallel private(i, array[1], array, array[1:2]) +#pragma acc parallel private(i, array[1], array, array[1:2]) + while(true); +} + diff --git a/clang/test/AST/bitint-suffix.cpp b/clang/test/AST/bitint-suffix.cpp new file mode 100644 index 0000000000000000000000000000000000000000..dab2b16c74235d3438381dec8dd3f144a940c96b --- /dev/null +++ b/clang/test/AST/bitint-suffix.cpp @@ -0,0 +1,32 @@ +// RUN: %clang_cc1 -ast-dump -Wno-unused %s | FileCheck --strict-whitespace %s + +// CHECK: FunctionDecl 0x{{[^ ]*}} <{{.*}}:[[@LINE+1]]:1, line:{{[0-9]*}}:1> line:[[@LINE+1]]:6 func 'void ()' +void func() { + // Ensure that we calculate the correct type from the literal suffix. + + // Note: 0__wb should create an _BitInt(2) because a signed bit-precise + // integer requires one bit for the sign and one bit for the value, + // at a minimum. + // CHECK: TypedefDecl 0x{{[^ ]*}} col:29 zero_wb 'typeof (0wb)':'_BitInt(2)' + typedef __typeof__(0__wb) zero_wb; + // CHECK: TypedefDecl 0x{{[^ ]*}} col:30 neg_zero_wb 'typeof (-0wb)':'_BitInt(2)' + typedef __typeof__(-0__wb) neg_zero_wb; + // CHECK: TypedefDecl 0x{{[^ ]*}} col:29 one_wb 'typeof (1wb)':'_BitInt(2)' + typedef __typeof__(1__wb) one_wb; + // CHECK: TypedefDecl 0x{{[^ ]*}} col:30 neg_one_wb 'typeof (-1wb)':'_BitInt(2)' + typedef __typeof__(-1__wb) neg_one_wb; + + // CHECK: TypedefDecl 0x{{[^ ]*}} col:30 zero_uwb 'typeof (0uwb)':'unsigned _BitInt(1)' + typedef __typeof__(0__uwb) zero_uwb; + // CHECK: TypedefDecl 0x{{[^ ]*}} col:31 neg_zero_uwb 'typeof (-0uwb)':'unsigned _BitInt(1)' + typedef __typeof__(-0__uwb) neg_zero_uwb; + // CHECK: TypedefDecl 0x{{[^ ]*}} col:30 one_uwb 'typeof (1uwb)':'unsigned _BitInt(1)' + typedef __typeof__(1__uwb) one_uwb; + + // Try a value that is too large to fit in [u]intmax_t. + + // CHECK: TypedefDecl 0x{{[^ ]*}} col:49 huge_uwb 'typeof (18446744073709551616uwb)':'unsigned _BitInt(65)' + typedef __typeof__(18446744073709551616__uwb) huge_uwb; + // CHECK: TypedefDecl 0x{{[^ ]*}} col:48 huge_wb 'typeof (18446744073709551616wb)':'_BitInt(66)' + typedef __typeof__(18446744073709551616__wb) huge_wb; +} diff --git a/clang/test/Analysis/Checkers/WebKit/call-args-regression-traverse-decl-crash.cpp b/clang/test/Analysis/Checkers/WebKit/call-args-regression-traverse-decl-crash.cpp new file mode 100644 index 0000000000000000000000000000000000000000..3d8e822025f62b2074d74409eb917e4779757926 --- /dev/null +++ b/clang/test/Analysis/Checkers/WebKit/call-args-regression-traverse-decl-crash.cpp @@ -0,0 +1,7 @@ +// RUN: %clang_analyze_cc1 -analyzer-checker=alpha.webkit.UncountedCallArgsChecker -verify %s +// expected-no-diagnostics + +template struct T; +template