diff options
Diffstat (limited to 'llvm/lib/Passes/PassBuilder.cpp')
| -rw-r--r-- | llvm/lib/Passes/PassBuilder.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/llvm/lib/Passes/PassBuilder.cpp b/llvm/lib/Passes/PassBuilder.cpp index 5ec94ea6f40..e56c2d4c8fb 100644 --- a/llvm/lib/Passes/PassBuilder.cpp +++ b/llvm/lib/Passes/PassBuilder.cpp @@ -211,6 +211,8 @@ static cl::opt<bool> extern cl::opt<bool> EnableHotColdSplit; +extern cl::opt<bool> FlattenedProfileUsed; + static bool isOptimizingForSize(PassBuilder::OptimizationLevel Level) { switch (Level) { case PassBuilder::O0: @@ -615,9 +617,13 @@ PassBuilder::buildModuleSimplificationPipeline(OptimizationLevel Level, if (PGOOpt && !PGOOpt->SampleProfileFile.empty()) { // Annotate sample profile right after early FPM to ensure freshness of // the debug info. - MPM.addPass(SampleProfileLoaderPass(PGOOpt->SampleProfileFile, - PGOOpt->ProfileRemappingFile, - Phase == ThinLTOPhase::PreLink)); + // In ThinLTO mode, when flattened profile is used, all the available + // profile information will be annotated in PreLink phase so there is + // no need to load the profile again in PostLink. + if (!(FlattenedProfileUsed && Phase == ThinLTOPhase::PostLink)) + MPM.addPass(SampleProfileLoaderPass(PGOOpt->SampleProfileFile, + PGOOpt->ProfileRemappingFile, + Phase == ThinLTOPhase::PreLink)); // Do not invoke ICP in the ThinLTOPrelink phase as it makes it hard // for the profile annotation to be accurate in the ThinLTO backend. if (Phase != ThinLTOPhase::PreLink) |
