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-rw-r--r--llvm/lib/Transforms/Scalar/ADCE.cpp3
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/ADCE.cpp b/llvm/lib/Transforms/Scalar/ADCE.cpp
index 22b4c347dcb..c7d349932c9 100644
--- a/llvm/lib/Transforms/Scalar/ADCE.cpp
+++ b/llvm/lib/Transforms/Scalar/ADCE.cpp
@@ -91,9 +91,8 @@ private:
TerminatorInst *convertToUnconditionalBranch(TerminatorInst *TI);
inline void markInstructionLive(Instruction *I) {
- if (LiveSet.count(I)) return;
+ if (!LiveSet.insert(I).second) return;
DEBUG(std::cerr << "Insn Live: " << *I);
- LiveSet.insert(I);
WorkList.push_back(I);
}
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