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Create SampleProfileLoader pass in llvm instead of clang 

Summary:
We used to create SampleProfileLoader pass in clang. This makes LTO/ThinLTO unable to add this pass in the linker plugin. This patch moves the SampleProfileLoader pass creation from
clang to llvm pass manager builder.

Reviewers: tejohnson, davidxl, dnovillo

Subscribers: mehdi_amini, cfe-commits

Differential Revision: https://reviews.llvm.org/D27744

llvm-svn: 289715
This commit is contained in:
Dehao Chen 2016-12-14 21:41:04 +00:00
parent a99e082e15
commit 5717aff105
1 changed files with 2 additions and 4 deletions
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6
clang/lib/CodeGen/BackendUtil.cpp
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@ -464,10 +464,8 @@ void EmitAssemblyHelper::CreatePasses(legacy::PassManager &MPM,
if (CodeGenOpts.hasProfileIRUse())
PMBuilder.PGOInstrUse = CodeGenOpts.ProfileInstrumentUsePath;
if (!CodeGenOpts.SampleProfileFile.empty()) {
MPM.add(createPruneEHPass());
MPM.add(createSampleProfileLoaderPass(CodeGenOpts.SampleProfileFile));
}
if (!CodeGenOpts.SampleProfileFile.empty())
PMBuilder.PGOSampleUse = CodeGenOpts.SampleProfileFile;
PMBuilder.populateFunctionPassManager(FPM);
PMBuilder.populateModulePassManager(MPM);