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-rw-r--r--llvm/lib/Transforms/InstCombine/InstructionCombining.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
index 82b7cae410c..90ca8863e8c 100644
--- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
@@ -1120,6 +1120,7 @@ Value *InstCombiner::SimplifyVectorOp(BinaryOperator &Inst) {
ShuffleVectorInst *RShuf = cast<ShuffleVectorInst>(RHS);
if (isa<UndefValue>(LShuf->getOperand(1)) &&
isa<UndefValue>(RShuf->getOperand(1)) &&
+ LShuf->getOperand(0)->getType() == RShuf->getOperand(0)->getType() &&
LShuf->getMask() == RShuf->getMask()) {
BinaryOperator *NewBO = CreateBinOpAsGiven(Inst, LShuf->getOperand(0),
RShuf->getOperand(0), Builder);
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