diff options
Diffstat (limited to 'clang/lib/CodeGen/BackendUtil.cpp')
| -rw-r--r-- | clang/lib/CodeGen/BackendUtil.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp index 7a62e4e1955..e159a7ab5dc 100644 --- a/clang/lib/CodeGen/BackendUtil.cpp +++ b/clang/lib/CodeGen/BackendUtil.cpp @@ -154,6 +154,14 @@ static void addObjCARCOptPass(const PassManagerBuilder &Builder, PassManagerBase PM.add(createObjCARCOptPass()); } +static void addSampleProfileLoaderPass(const PassManagerBuilder &Builder, + PassManagerBase &PM) { + const PassManagerBuilderWrapper &BuilderWrapper = + static_cast<const PassManagerBuilderWrapper &>(Builder); + const CodeGenOptions &CGOpts = BuilderWrapper.getCGOpts(); + PM.add(createSampleProfileLoaderPass(CGOpts.SampleProfileFile)); +} + static void addBoundsCheckingPass(const PassManagerBuilder &Builder, PassManagerBase &PM) { PM.add(createBoundsCheckingPass()); @@ -235,6 +243,10 @@ void EmitAssemblyHelper::CreatePasses(TargetMachine *TM) { PMBuilder.DisableUnitAtATime = !CodeGenOpts.UnitAtATime; PMBuilder.DisableUnrollLoops = !CodeGenOpts.UnrollLoops; + if (!CodeGenOpts.SampleProfileFile.empty()) + PMBuilder.addExtension(PassManagerBuilder::EP_EarlyAsPossible, + addSampleProfileLoaderPass); + // In ObjC ARC mode, add the main ARC optimization passes. if (LangOpts.ObjCAutoRefCount) { PMBuilder.addExtension(PassManagerBuilder::EP_EarlyAsPossible, |
