diff options
| -rw-r--r-- | lib/CodeGen/TailDuplication.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp index 15aed34..83706de 100644 --- a/lib/CodeGen/TailDuplication.cpp +++ b/lib/CodeGen/TailDuplication.cpp @@ -459,7 +459,8 @@ TailDuplicatePass::TailDuplicate(MachineBasicBlock *TailBB, MachineFunction &MF, // duplicate only one, because one branch instruction can be eliminated to // compensate for the duplication. unsigned MaxDuplicateCount; - if (MF.getFunction()->hasFnAttr(Attribute::OptimizeForSize)) + if (TailDuplicateSize.getNumOccurrences() == 0 && + MF.getFunction()->hasFnAttr(Attribute::OptimizeForSize)) MaxDuplicateCount = 1; else MaxDuplicateCount = TailDuplicateSize; |