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-rw-r--r--llvm/lib/Analysis/ConstantFolding.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp
index 948c884..7d4fcdc 100644
--- a/llvm/lib/Analysis/ConstantFolding.cpp
+++ b/llvm/lib/Analysis/ConstantFolding.cpp
@@ -1715,7 +1715,7 @@ Constant *constantFoldVectorReduce(Intrinsic::ID IID, Constant *Op) {
return ConstantInt::get(VT->getElementType(), 0);
// This is the same as the underlying binops - poison propagates.
- if (isa<PoisonValue>(Op))
+ if (isa<PoisonValue>(Op) || Op->containsPoisonElement())
return PoisonValue::get(VT->getElementType());
// TODO: Handle undef.