diff options
Diffstat (limited to 'llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp b/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp index a21409f0110..6168f9ef77d 100644 --- a/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp +++ b/llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp @@ -901,6 +901,9 @@ static bool annotateAllFunctions( } M.setProfileSummary(Builder.getSummary()->getMD(M.getContext())); // Set function hotness attribute from the profile. + // We have to apply these attributes at the end because their presence + // can affect the BranchProbabilityInfo of any callers, resulting in an + // inconsistent MST between prof-gen and prof-use. for (auto &F : HotFunctions) { F->addFnAttr(llvm::Attribute::InlineHint); DEBUG(dbgs() << "Set inline attribute to function: " << F->getName() |
