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
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index cef7485..0b72dc9 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -464,10 +464,8 @@
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);