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path: root/clang/lib/Frontend/FrontendActions.cpp
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2016-08-26C++ Modules TS: add frontend support for building pcm files from moduleRichard Smith1-31/+50
interface files. At the moment, all declarations (and no macros) are exported, and 'export' declarations are not supported yet. llvm-svn: 279794
2016-08-25Refactor to remove the assumption that we know the name of the module we're ↵Richard Smith1-2/+2
emitting at the point when we create a PCHGenerator (with the C++ modules TS, we find that out part way through parsing the input). llvm-svn: 279766
2016-08-18Module: add -fprebuilt-module-path to support loading prebuilt modules.Manman Ren1-1/+2
In this mode, there is no need to load any module map and the programmer can simply use "@import" syntax to load the module directly from a prebuilt module path. When loading from prebuilt module path, we don't support rebuilding of the module files and we ignore compatible configuration mismatches. rdar://27290316 Differential Revision: http://reviews.llvm.org/D23125 llvm-svn: 279096
2016-08-17Print the module format in clang -module-file-info.Adrian Prantl1-2/+7
llvm-svn: 279005
2016-08-17Support object-file-wrapped modules in clang -module-file-info.Adrian Prantl1-0/+8
rdar://problem/24504815 llvm-svn: 279004
2016-07-26Modules: add command line option fmodules-disable-diagnostic-validationManman Ren1-1/+5
With PCH+Module, sometimes compiler gives a hard error: Module file ‘<some-file path>.pcm' is out of date and needs to be rebuilt This happens when we have a pch importing a module and the module gets overwritten by another compiler instance after we build the pch (one example is that both compiler instances hash to the same pcm file but use different diagnostic options). When we try to load the pch later on, the compiler notices that the imported module is out of date (modification date, size do not match) but it can't handle this out of date pcm (i.e it does not know how to rebuild the pch). This commit introduces a new command line option so for PCH + module, we can turn on this option and if two compiler instances only differ in diagnostic options, the latter instance will not invalidate the original pcm. rdar://26675801 Differential Revision: http://reviews.llvm.org/D22773 llvm-svn: 276769
2016-07-18[NFC] Header cleanupMehdi Amini1-3/+2
Summary: Removed unused headers, replaced some headers with forward class declarations Patch by: Eugene <claprix@yandex.ru> Differential Revision: https://reviews.llvm.org/D20100 llvm-svn: 275882
2016-07-15Frontend: Simplify ownership model for clang's output streams.Peter Collingbourne1-18/+25
This changes the CompilerInstance::createOutputFile function to return a std::unique_ptr<llvm::raw_ostream>, rather than an llvm::raw_ostream implicitly owned by the CompilerInstance. This in most cases required that I move ownership of the output stream to the relevant ASTConsumer. The motivation for this change is to allow BackendConsumer to be a client of interfaces such as D20268 which take ownership of the output stream. Differential Revision: http://reviews.llvm.org/D21537 llvm-svn: 275507
2016-07-13[PCH] Add a fno-pch-timestamp option to cc1 to disable inclusion of ↵Pierre Gousseau1-1/+4
timestamps in PCH files. This is to allow distributed build systems, that do not preserve time stamps, to use PCH files. Second and last part of the patch proposed at: Differential Revision: http://reviews.llvm.org/D20867 llvm-svn: 275267
2016-06-09RenderScript support in the FrontendPirama Arumuga Nainar1-0/+1
Summary: Create a new Frontend LangOpt to specify the renderscript language. It is enabled by the "-x renderscript" option from the driver. Add a "kernel" function attribute only for RenderScript (an "ignored attribute" warning is generated otherwise). Make the NativeHalfType and NativeHalfArgsAndReturns LangOpts be implied by the RenderScript LangOpt. Reviewers: rsmith Subscribers: cfe-commits, srhines Differential Revision: http://reviews.llvm.org/D21198 llvm-svn: 272342
2016-05-16[Modules] Use vfs for (recursive) directory iterationBruno Cardoso Lopes1-6/+7
Clang performs directory walk while searching headers inside modules by using the ::sys::fs instead of ::vfs. This prevents any code that uses the VFS (e.g, reproducer scripts) to actually find such headers, since the VFS will never be searched for those. Change these places to use vfs::recursive_directory_iterator and vfs::directory_iterator instead. Differential Revision: http://reviews.llvm.org/D20266 rdar://problem/25880368 llvm-svn: 269661
2016-05-12[Tooling] Fix broken dependency for shared buildEtienne Bergeron1-0/+3
Summary: There virtual destructor can't be found and cause a compilation error on a shared build. To repro: [Release + Shared] ``` -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=ON ``` Which produce this error: ``` tools/clang/unittests/Tooling/CMakeFiles/ToolingTests.dir/ToolingTest.cpp.o: In function `clang::tooling::newFrontendActionFactory_CreatesFrontendActionFactoryFromType_Test::TestBody()': ToolingTest.cpp:(.text._ZN5clang7tooling66newFrontendActionFactory_CreatesFrontendActionFactoryFromType_Test8TestBodyEv+0x49): undefined reference to `clang::SyntaxOnlyAction::~SyntaxOnlyAction()' ``` Reviewers: alexfh Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D20218 llvm-svn: 269334
2016-03-02[modules] addHeaderInclude() can't fail.Davide Italiano1-21/+12
Differential Revision: http://reviews.llvm.org/D17794 llvm-svn: 262463
2016-02-19[modules] Flatten -fmodule-name= and -fmodule-implementation-of= into a singleRichard Smith1-0/+2
option. Previously these options could both be used to specify that you were compiling the implementation file of a module, with a different set of minor bugs in each case. This change removes -fmodule-implementation-of, and instead tracks a flag to determine whether we're currently building a module. -fmodule-name now behaves the same way that -fmodule-implementation-of previously did. llvm-svn: 261372
2016-02-18Remove use of builtin comma operator.Richard Trieu1-1/+2
Cleanup for upcoming Clang warning -Wcomma. No functionality change intended. llvm-svn: 261271
2016-01-08[modules] Make sure we always include the contents of private headers whenRichard Smith1-9/+11
building a module. Prior to this change, the private header's content would only be included if the header were included by another header in the same module. If not (if the private header is only used by the .cc files of the module, or is included from outside the module via -Wno-private-header), a #include of that file would be silently ignored. llvm-svn: 257222
2015-11-26[modules] Refactor handling of -fmodules-embed-*. Track this properly ratherRichard Smith1-10/+11
than reusing the "overridden buffer" mechanism. This will allow us to make embedded files and overridden files behave differently in future. llvm-svn: 254121
2015-11-24[modules] Add -cc1 flag -fmodules-embed-all-files.Richard Smith1-0/+2
This flag causes all files that were read by the compilation to be embedded into a produced module file. This is useful for distributed build systems that use an include scanning system to determine which files are "needed" by a compilation, and only provide those files to remote compilation workers. Since using a module can require any file that is part of that module (or anything it transitively includes), files that are not found by an include scanner can be required in a regular build using explicit modules. With this flag, only files that are actually referenced by transitively-#included files are required to be present on the build machine. llvm-svn: 253950
2015-11-03Introduce module file extensions to piggy-back data onto module files.Douglas Gregor1-5/+25
Introduce the notion of a module file extension, which introduces additional information into a module file at the time it is built that can then be queried when the module file is read. Module file extensions are identified by a block name (which must be unique to the extension) and can write any bitstream records into their own extension block within the module file. When a module file is loaded, any extension blocks are matched up with module file extension readers, that are per-module-file and are given access to the input bitstream. Note that module file extensions can only be introduced by programmatic clients that have access to the CompilerInvocation. There is only one such extension at the moment, which is used for testing the module file extension harness. As a future direction, one could imagine allowing the plugin mechanism to introduce new module file extensions. llvm-svn: 251955
2015-09-19Further simplify the interface of PCHContainerGeneratorAdrian Prantl1-2/+2
by dropping the const qualifier on the CI. NFC llvm-svn: 248101
2015-09-18Simplify the interface of PCHContainerGenerator and friendsAdrian Prantl1-10/+4
by passing in a CompilerInstance instead of all its individual members. NFC. llvm-svn: 248053
2015-08-17[modules] When explicitly building a module file, don't include timestamps inRichard Smith1-1/+3
the produced pcm file for stable file creation across distributed build systems. llvm-svn: 245199
2015-08-14[modules] Add an experimental -cc1 feature to embed the contents of an inputRichard Smith1-2/+11
file in the .pcm files. This allows a smaller set of files to be sent to a remote build worker when building with explicit modules (for instance, module map files need not be sent along with the corresponding precompiled modules). This doesn't actually make the embedded files visible to header search, so it's not useful as a packaging format for public header files. llvm-svn: 245028
2015-07-17Make the clang module container format selectable from the command line.Adrian Prantl1-4/+4
- introduces a new cc1 option -fmodule-format=[raw,obj] with 'raw' being the default - supports arbitrary module container formats that libclang is agnostic to - adds the format to the module hash to avoid collisions - splits the old PCHContainerOperations into PCHContainerWriter and a PCHContainerReader. Thanks to Richard Smith for reviewing this patch! llvm-svn: 242499
2015-06-23[Modules] Consider -fmodule-feature in module hash and when loadingBen Langmuir1-0/+7
Any extra features from -fmodule-feature are part of the module hash and need to get validated on load. Also print them with -module-file-info. llvm-svn: 240433
2015-06-22Revert r240270 ("Fixed/added namespace ending comments using clang-tidy").Alexander Kornienko1-1/+1
llvm-svn: 240353
2015-06-22Fixed/added namespace ending comments using clang-tidy. NFCAlexander Kornienko1-1/+1
The patch is generated using this command: $ tools/extra/clang-tidy/tool/run-clang-tidy.py -fix \ -checks=-*,llvm-namespace-comment -header-filter='llvm/.*|clang/.*' \ work/llvm/tools/clang To reduce churn, not touching namespaces spanning less than 10 lines. llvm-svn: 240270
2015-06-20Introduce a PCHContainerOperations interface (NFC).Adrian Prantl1-20/+39
A PCHContainerOperations abstract interface provides operations for creating and unwrapping containers for serialized ASTs (precompiled headers and clang modules). The default implementation is RawPCHContainerOperations, which uses a flat file for the output. The main application for this interface will be an ObjectFilePCHContainerOperations implementation that uses LLVM to wrap the module in an ELF/Mach-O/COFF container to store debug info alongside the AST. rdar://problem/20091852 llvm-svn: 240225
2015-05-16[modules] Retain the name as written for umbrella headers and directories, ↵Richard Smith1-30/+22
rather than converting to an absolute path. No observable change expected, but this allows us to correctly compute the module for an umbrella header, which later changes will require. llvm-svn: 237508
2015-04-14Use raw_pwrite_stream in clang.Rafael Espindola1-6/+1
This is a small improvement to -emit-pth and allows llvm to start requiring it. llvm-svn: 234897
2015-04-13Bring r234620 back now that llvm is fixed.Rafael Espindola1-6/+5
LLVM can now detect if a fd is seekable on windows. Original commit message: Actually check if lseek works instead of using a filename based heuristic. llvm-svn: 234738
2015-04-13Reformat.NAKAMURA Takumi1-3/+3
llvm-svn: 234731
2015-04-13Revert r234620 and others, "Actually check if lseek works instead of using a ↵NAKAMURA Takumi1-6/+6
filename based heuristic." It was affected by r234615, which was reverted in r234721. r234620, "Actually check if lseek works instead of using a filename based heuristic." r234621, "Testcase for the previous commit." r234718, "Suppress clang/test/PCH/emit-pth.c on win32, for now while investigating." llvm-svn: 234730
2015-04-11Use 'override/final' instead of 'virtual' for overridden methodsAlexander Kornienko1-3/+2
Summary: The patch is generated using clang-tidy misc-use-override check. This command was used: tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py \ -checks='-*,misc-use-override' -header-filter='llvm|clang' -j=32 -fix Reviewers: dblaikie Reviewed By: dblaikie Subscribers: klimek, cfe-commits Differential Revision: http://reviews.llvm.org/D8926 llvm-svn: 234678
2015-04-10Actually check if lseek works instead of using a filename based heuristic.Rafael Espindola1-6/+6
llvm-svn: 234620
2015-04-10Return a pointer instead of having a pointer outparam and a bool return.Rafael Espindola1-15/+15
llvm-svn: 234592
2015-04-10Return a pointer instead of having a pointer outparam and a bool return.Rafael Espindola1-13/+13
llvm-svn: 234590
2015-03-19Ensure that we still parse preprocessed CUDA files as CUDA when we useArtem Belevich1-0/+1
-save-temps option. Summary: Fixes PR22926. Review: http://reviews.llvm.org/D8383 llvm-svn: 232737
2015-03-18Remove many superfluous SmallString::str() calls.Yaron Keren1-1/+1
Now that SmallString is a first-class citizen, most SmallString::str() calls are not required. This patch removes a whole bunch of them, yet there are lots more. There are two use cases where str() is really needed: 1) To use one of StringRef member functions which is not available in SmallString. 2) To convert to std::string, as StringRef implicitly converts while SmallString do not. We may wish to change this, but it may introduce ambiguity. llvm-svn: 232622
2015-03-14[modules] Teach the AST reader to handle the case of importing a moduleChandler Carruth1-2/+2
with a subset of the existing target CPU features or mismatched CPU names. While we can't check that the CPU name used to build the module will end up being able to codegen correctly for the translation unit, we actually check that the imported features are a subset of the existing features. While here, rewrite the code to use std::set_difference and have it diagnose all of the differences found. Test case added which walks the set relationships and ensures we diagnose all the right cases and accept the others. No functional change for implicit modules here, just better diagnostics. llvm-svn: 232248
2015-02-25Revert "Wrap clang module files in a Mach-O, ELF, or COFF container."Adrian Prantl1-36/+4
llvm-svn: 230454
2015-02-25Wrap clang module files in a Mach-O, ELF, or COFF container.Adrian Prantl1-4/+36
This is a necessary prerequisite for debugging with modules. The .pcm files become containers that hold the serialized AST which allows us to store debug information in the module file that can be shared by all object files that were built importing the module. This reapplies r230044 with a fixed configure+make build and updated dependencies and testcase requirements. Over the last iteration this version adds - missing target requirements for testcases that specify an x86 triple, - a missing clangCodeGen.a dependency to libClang.a in the make build. rdar://problem/19104245 llvm-svn: 230423
2015-02-24Revert "Wrap clang module files in a Mach-O, ELF, or COFF container."Adrian Prantl1-36/+4
This reverts commit r230305. Off to fix another round of missing dependencies on various platforms. llvm-svn: 230309
2015-02-24Wrap clang module files in a Mach-O, ELF, or COFF container.Adrian Prantl1-4/+36
This is a necessary prerequisite for debugging with modules. The .pcm files become containers that hold the serialized AST which allows us to store debug information in the module file that can be shared by all object files that were built importing the module. rdar://problem/19104245 This reapplies r230044 with a fixed configure+make build and updated dependencies. Take 3. llvm-svn: 230305
2015-02-21Revert "Wrap clang module files in a Mach-O, ELF, or COFF container."Adrian Prantl1-36/+4
This reverts commit 230099. The Linux configure+make build variant still needs some work. llvm-svn: 230103
2015-02-20Wrap clang module files in a Mach-O, ELF, or COFF container.Adrian Prantl1-4/+36
This is a necessary prerequisite for debugging with modules. The .pcm files become containers that hold the serialized AST which allows us to store debug information in the module file that can be shared by all object files that were built importing the module. rdar://problem/19104245 This reapplies r230044 with a fixed configure+make build and updated dependencies. Take 2. llvm-svn: 230089
2015-02-20Revert "Wrap clang module files in a Mach-O, ELF, or COFF container."Adrian Prantl1-36/+4
This reverts commit r230067. Investigating another batch of problems found by the bots. llvm-svn: 230073
2015-02-20Wrap clang module files in a Mach-O, ELF, or COFF container.Adrian Prantl1-4/+36
This is a necessary prerequisite for debugging with modules. The .pcm files become containers that hold the serialized AST which allows us to store debug information in the module file that can be shared by all object files that were built importing the module. rdar://problem/19104245 This reapplies r230044 with a fixed configure+make build and updated dependencies. llvm-svn: 230067
2015-02-20Revert "Wrap clang module files in a Mach-O, ELF, or COFF container."Adrian Prantl1-36/+4
This reverts commit r230044 while dealing with buildbot breakage. Conflicts: test/Modules/module_container.m llvm-svn: 230052
2015-02-20Wrap clang module files in a Mach-O, ELF, or COFF container.Adrian Prantl1-4/+36
This is a necessary prerequisite for debugging with modules. The .pcm files become containers that hold the serialized AST which allows us to store debug information in the module file that can be shared by all object files that were built importing the module. rdar://problem/19104245 llvm-svn: 230044
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