diff options
Diffstat (limited to 'llvm/lib/CodeGen/CodeGenPrepare.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/CodeGenPrepare.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp index 9db4c9e..92d8768 100644 --- a/llvm/lib/CodeGen/CodeGenPrepare.cpp +++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp @@ -583,23 +583,23 @@ bool CodeGenPrepare::_run(Function &F) { // if requested. if (BBSectionsGuidedSectionPrefix && BBSectionsProfileReader && BBSectionsProfileReader->isFunctionHot(F.getName())) { - F.setSectionPrefix("hot"); + EverMadeChange |= F.setSectionPrefix("hot"); } else if (ProfileGuidedSectionPrefix) { // The hot attribute overwrites profile count based hotness while profile // counts based hotness overwrite the cold attribute. // This is a conservative behabvior. if (F.hasFnAttribute(Attribute::Hot) || PSI->isFunctionHotInCallGraph(&F, *BFI)) - F.setSectionPrefix("hot"); + EverMadeChange |= F.setSectionPrefix("hot"); // If PSI shows this function is not hot, we will placed the function // into unlikely section if (1) PSI shows this is a cold function, or // (2) the function has a attribute of cold. else if (PSI->isFunctionColdInCallGraph(&F, *BFI) || F.hasFnAttribute(Attribute::Cold)) - F.setSectionPrefix("unlikely"); + EverMadeChange |= F.setSectionPrefix("unlikely"); else if (ProfileUnknownInSpecialSection && PSI->hasPartialSampleProfile() && PSI->isFunctionHotnessUnknown(F)) - F.setSectionPrefix("unknown"); + EverMadeChange |= F.setSectionPrefix("unknown"); } /// This optimization identifies DIV instructions that can be |