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-rw-r--r--llvm/lib/Transforms/Utils/BasicBlockUtils.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
index 9ab8014..746fe79 100644
--- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
+++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -149,7 +149,7 @@ bool llvm::FoldSingleEntryPHINodes(BasicBlock *BB,
if (PN->getIncomingValue(0) != PN)
PN->replaceAllUsesWith(PN->getIncomingValue(0));
else
- PN->replaceAllUsesWith(UndefValue::get(PN->getType()));
+ PN->replaceAllUsesWith(PoisonValue::get(PN->getType()));
if (MemDep)
MemDep->removeInstruction(PN); // Memdep updates AA itself.