diff options
Diffstat (limited to 'bolt/lib')
-rw-r--r-- | bolt/lib/Core/Relocation.cpp | 8 | ||||
-rw-r--r-- | bolt/lib/Profile/DataAggregator.cpp | 39 | ||||
-rw-r--r-- | bolt/lib/Rewrite/RewriteInstance.cpp | 14 |
3 files changed, 39 insertions, 22 deletions
diff --git a/bolt/lib/Core/Relocation.cpp b/bolt/lib/Core/Relocation.cpp index f099dfa..f882627 100644 --- a/bolt/lib/Core/Relocation.cpp +++ b/bolt/lib/Core/Relocation.cpp @@ -1018,7 +1018,7 @@ void Relocation::print(raw_ostream &OS) const { OS << "RType:" << Twine::utohexstr(Type); break; - case Triple::aarch64: + case Triple::aarch64: { static const char *const AArch64RelocNames[] = { #define ELF_RELOC(name, value) #name, #include "llvm/BinaryFormat/ELFRelocs/AArch64.def" @@ -1026,7 +1026,7 @@ void Relocation::print(raw_ostream &OS) const { }; assert(Type < ArrayRef(AArch64RelocNames).size()); OS << AArch64RelocNames[Type]; - break; + } break; case Triple::riscv64: // RISC-V relocations are not sequentially numbered so we cannot use an @@ -1043,7 +1043,7 @@ void Relocation::print(raw_ostream &OS) const { } break; - case Triple::x86_64: + case Triple::x86_64: { static const char *const X86RelocNames[] = { #define ELF_RELOC(name, value) #name, #include "llvm/BinaryFormat/ELFRelocs/x86_64.def" @@ -1051,7 +1051,7 @@ void Relocation::print(raw_ostream &OS) const { }; assert(Type < ArrayRef(X86RelocNames).size()); OS << X86RelocNames[Type]; - break; + } break; } OS << ", 0x" << Twine::utohexstr(Offset); if (Symbol) { diff --git a/bolt/lib/Profile/DataAggregator.cpp b/bolt/lib/Profile/DataAggregator.cpp index 3604fdd..c13fa6d 100644 --- a/bolt/lib/Profile/DataAggregator.cpp +++ b/bolt/lib/Profile/DataAggregator.cpp @@ -581,6 +581,26 @@ void DataAggregator::imputeFallThroughs() { outs() << "BOLT-INFO: imputed " << InferredTraces << " traces\n"; } +void DataAggregator::registerProfiledFunctions() { + DenseSet<uint64_t> Addrs; + for (const auto &Trace : llvm::make_first_range(Traces)) { + if (Trace.Branch != Trace::FT_ONLY && + Trace.Branch != Trace::FT_EXTERNAL_ORIGIN) + Addrs.insert(Trace.Branch); + Addrs.insert(Trace.From); + } + + for (const auto [PC, _] : BasicSamples) + Addrs.insert(PC); + + for (const PerfMemSample &MemSample : MemSamples) + Addrs.insert(MemSample.PC); + + for (const uint64_t Addr : Addrs) + if (BinaryFunction *Func = getBinaryFunctionContainingAddress(Addr)) + Func->setHasProfileAvailable(); +} + Error DataAggregator::preprocessProfile(BinaryContext &BC) { this->BC = &BC; @@ -603,6 +623,7 @@ Error DataAggregator::preprocessProfile(BinaryContext &BC) { exit(0); } + registerProfiledFunctions(); return Error::success(); } @@ -1347,10 +1368,6 @@ std::error_code DataAggregator::parseAggregatedLBREntry() { } const uint64_t FromOffset = Addr[0]->Offset; - BinaryFunction *FromFunc = getBinaryFunctionContainingAddress(FromOffset); - if (FromFunc) - FromFunc->setHasProfileAvailable(); - int64_t Count = Counters[0]; int64_t Mispreds = Counters[1]; @@ -1361,11 +1378,6 @@ std::error_code DataAggregator::parseAggregatedLBREntry() { return std::error_code(); } - const uint64_t ToOffset = Addr[1]->Offset; - BinaryFunction *ToFunc = getBinaryFunctionContainingAddress(ToOffset); - if (ToFunc) - ToFunc->setHasProfileAvailable(); - /// For fall-through types, adjust locations to match Trace container. if (Type == FT || Type == FT_EXTERNAL_ORIGIN || Type == FT_EXTERNAL_RETURN) { Addr[2] = Location(Addr[1]->Offset); // Trace To @@ -1613,9 +1625,6 @@ std::error_code DataAggregator::parseBranchEvents() { Traces.reserve(TraceMap.size()); for (const auto &[Trace, Info] : TraceMap) { Traces.emplace_back(Trace, Info); - for (const uint64_t Addr : {Trace.Branch, Trace.From}) - if (BinaryFunction *BF = getBinaryFunctionContainingAddress(Addr)) - BF->setHasProfileAvailable(); } clear(TraceMap); @@ -1676,9 +1685,6 @@ std::error_code DataAggregator::parseBasicEvents() { continue; ++NumTotalSamples; - if (BinaryFunction *BF = getBinaryFunctionContainingAddress(Sample->PC)) - BF->setHasProfileAvailable(); - ++BasicSamples[Sample->PC]; EventNames.insert(Sample->EventName); } @@ -1716,9 +1722,6 @@ std::error_code DataAggregator::parseMemEvents() { if (std::error_code EC = Sample.getError()) return EC; - if (BinaryFunction *BF = getBinaryFunctionContainingAddress(Sample->PC)) - BF->setHasProfileAvailable(); - MemSamples.emplace_back(std::move(Sample.get())); } diff --git a/bolt/lib/Rewrite/RewriteInstance.cpp b/bolt/lib/Rewrite/RewriteInstance.cpp index 9f243a1..fe4a23c 100644 --- a/bolt/lib/Rewrite/RewriteInstance.cpp +++ b/bolt/lib/Rewrite/RewriteInstance.cpp @@ -896,6 +896,20 @@ void RewriteInstance::discoverFileObjects() { continue; MarkerSymType MarkerType = BC->getMarkerType(SymInfo.Symbol); + + // Treat ST_Function as code. + Expected<object::SymbolRef::Type> TypeOrError = SymInfo.Symbol.getType(); + consumeError(TypeOrError.takeError()); + if (TypeOrError && *TypeOrError == SymbolRef::ST_Function) { + if (IsData) { + Expected<StringRef> NameOrError = SymInfo.Symbol.getName(); + consumeError(NameOrError.takeError()); + BC->errs() << "BOLT-WARNING: function symbol " << *NameOrError + << " lacks code marker\n"; + } + MarkerType = MarkerSymType::CODE; + } + if (MarkerType != MarkerSymType::NONE) { SortedMarkerSymbols.push_back(MarkerSym{SymInfo.Address, MarkerType}); LastAddr = SymInfo.Address; |