diff options
Diffstat (limited to 'llvm/lib/Transforms/IPO/PassManagerBuilder.cpp')
| -rw-r--r-- | llvm/lib/Transforms/IPO/PassManagerBuilder.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp index 1abbec17261..59605d58084 100644 --- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp +++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp @@ -431,7 +431,8 @@ void PassManagerBuilder::populateModulePassManager( // earlier in the pass pipeline, here before globalopt. Otherwise imported // available_externally functions look unreferenced and are removed. if (PerformThinLTO) - MPM.add(createPGOIndirectCallPromotionLegacyPass(/*InLTO = */ true)); + MPM.add(createPGOIndirectCallPromotionLegacyPass(/*InLTO = */ true, + !PGOSampleUse.empty())); if (!DisableUnitAtATime) { // Infer attributes about declarations if possible. @@ -458,7 +459,8 @@ void PassManagerBuilder::populateModulePassManager( // Indirect call promotion that promotes intra-module targets only. // For ThinLTO this is done earlier due to interactions with globalopt // for imported functions. - MPM.add(createPGOIndirectCallPromotionLegacyPass()); + MPM.add( + createPGOIndirectCallPromotionLegacyPass(false, !PGOSampleUse.empty())); } if (EnableNonLTOGlobalsModRef) @@ -681,7 +683,8 @@ void PassManagerBuilder::addLTOOptimizationPasses(legacy::PassManagerBase &PM) { // left by the earlier promotion pass that promotes intra-module targets. // This two-step promotion is to save the compile time. For LTO, it should // produce the same result as if we only do promotion here. - PM.add(createPGOIndirectCallPromotionLegacyPass(true)); + PM.add( + createPGOIndirectCallPromotionLegacyPass(true, !PGOSampleUse.empty())); // Propagate constants at call sites into the functions they call. This // opens opportunities for globalopt (and inlining) by substituting function |
