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Adam Nemet 1eea3e577d Reapply r281276 with passing -emit-llvm in one of the tests 
Original commit message:

Add -fdiagnostics-show-hotness

Summary:
I've recently added the ability for optimization remarks to include the
hotness of the corresponding code region.  This uses PGO and allows
filtering of the optimization remarks by relevance.  The idea was first
discussed here:
http://thread.gmane.org/gmane.comp.compilers.llvm.devel/98334

The general goal is to produce a YAML file with the remarks.  Then, an
external tool could dynamically filter these by hotness and perhaps by
other things.

That said it makes sense to also expose this at the more basic level
where we just include the hotness info with each optimization remark.
For example, in D22694, the clang flag was pretty useful to measure the
overhead of the additional analyses required to include hotness.
(Without the flag we don't even run the analyses.)

For the record, Hal has already expressed support for the idea of this
patch on IRC.

Differential Revision: https://reviews.llvm.org/D23284

llvm-svn: 281293
 		2016-09-13 04:32:40 +00:00
..
Rewrite [NFC] Header cleanup 2016-07-18 19:02:11 +00:00
ASTConsumers.cpp [NFC] Header cleanup 2016-07-18 19:02:11 +00:00
ASTMerge.cpp [Frontend] Make the memory management of FrontendAction pointers explicit by using unique_ptr. 2016-02-07 19:28:36 +00:00
ASTUnit.cpp C++ Modules TS: add frontend support for building pcm files from module 2016-08-26 00:14:38 +00:00
CMakeLists.txt clangFrontend: Make intrinsics_gen optional for standalone build. 2016-06-02 20:24:07 +00:00
CacheTokens.cpp [NFC] Header cleanup 2016-07-18 19:02:11 +00:00
ChainedDiagnosticConsumer.cpp
…
ChainedIncludesSource.cpp Refactor to remove the assumption that we know the name of the module we're emitting at the point when we create a PCHGenerator (with the C++ modules TS, we find that out part way through parsing the input). 2016-08-25 18:26:30 +00:00
CodeGenOptions.cpp revert SVN r265702, r265640 2016-04-08 16:52:00 +00:00
CompilerInstance.cpp C++ Modules TS: add frontend support for building pcm files from module 2016-08-26 00:14:38 +00:00
CompilerInvocation.cpp Reapply r281276 with passing -emit-llvm in one of the tests 2016-09-13 04:32:40 +00:00
CreateInvocationFromCommandLine.cpp [CUDA][OpenMP] Create generic offload action 2016-07-15 23:13:27 +00:00
DependencyFile.cpp Turn copies into references as suggested by clang-tidy's performance-unnecessary-copy-initialization. 2016-05-27 13:36:58 +00:00
DependencyGraph.cpp Revert r240270 ("Fixed/added namespace ending comments using clang-tidy"). 2015-06-22 23:07:51 +00:00
DiagnosticRenderer.cpp [NFC] Header cleanup 2016-07-18 19:02:11 +00:00
FrontendAction.cpp Reapply r276973 "Adjust Registry interface to not require plugins to export a registry" 2016-08-05 11:01:08 +00:00
FrontendActions.cpp C++ Modules TS: add frontend support for building pcm files from module 2016-08-26 00:14:38 +00:00
FrontendOptions.cpp C++ Modules TS: add frontend support for building pcm files from module 2016-08-26 00:14:38 +00:00
HeaderIncludeGen.cpp [Frontend] StringRefize and fix bad indentation. 2016-05-27 12:52:19 +00:00
InitHeaderSearch.cpp [NFC] Header cleanup 2016-07-18 19:02:11 +00:00
InitPreprocessor.cpp OpenCL: Defining __ENDIAN_LITTLE__ and fix target endianness 2016-09-07 07:08:02 +00:00
LangStandards.cpp [C++11] Use 'nullptr'. Frontend edition. 2014-05-22 04:46:25 +00:00
LayoutOverrideSource.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 19:38:18 +00:00
LogDiagnosticPrinter.cpp Replace double negation of !FileID.isInvalid() with FileID.isValid(). 2015-10-03 10:46:20 +00:00
ModuleDependencyCollector.cpp [VFS] Add 'ignore-non-existent-contents' field to YAML files 2016-08-12 01:50:53 +00:00
MultiplexConsumer.cpp PR29097: add an update record when we instantiate the default member 2016-08-24 21:25:37 +00:00
PCHContainerOperations.cpp Frontend: Simplify ownership model for clang's output streams. 2016-07-15 00:55:40 +00:00
PrintPreprocessedOutput.cpp [modules] Add a comment to explain why -E leaves some #includes in the preprocessed output. 2016-04-08 01:23:59 +00:00
SerializedDiagnosticPrinter.cpp [NFC] Header cleanup 2016-07-18 19:02:11 +00:00
SerializedDiagnosticReader.cpp [NFC] Header cleanup 2016-07-18 19:02:11 +00:00
TestModuleFileExtension.cpp Use arrays or initializer lists to feed ArrayRefs instead of SmallVector where possible. 2016-07-02 11:41:41 +00:00
TestModuleFileExtension.h Module file extensions: pass a Sema through to the extension writer. 2015-12-08 22:43:32 +00:00
TextDiagnostic.cpp Add support for -fdiagnostics-absolute-paths: printing absolute paths in diagnostics 2016-08-26 15:45:36 +00:00
TextDiagnosticBuffer.cpp Replace push_back(Constructor(foo)) with emplace_back(foo) for non-trivial types 2015-05-29 19:42:19 +00:00
TextDiagnosticPrinter.cpp [NFC] Header cleanup 2016-07-18 19:02:11 +00:00
VerifyDiagnosticConsumer.cpp Refactor: Simplify boolean conditional return statements in lib/Frontend 2015-12-28 15:15:16 +00:00