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-rw-r--r--llvm/lib/CodeGen/TailDuplication.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/TailDuplication.cpp b/llvm/lib/CodeGen/TailDuplication.cpp
index 40ce2b6cbba..3b7a04c6831 100644
--- a/llvm/lib/CodeGen/TailDuplication.cpp
+++ b/llvm/lib/CodeGen/TailDuplication.cpp
@@ -131,6 +131,9 @@ INITIALIZE_PASS(TailDuplicatePass, "tailduplication", "Tail Duplication",
false, false)
bool TailDuplicatePass::runOnMachineFunction(MachineFunction &MF) {
+ if (skipOptnoneFunction(*MF.getFunction()))
+ return false;
+
TII = MF.getTarget().getInstrInfo();
TRI = MF.getTarget().getRegisterInfo();
MRI = &MF.getRegInfo();
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