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-rw-r--r--llvm/lib/Transforms/Scalar/InstructionCombining.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
index 0a5fc80952b..f9e76578c73 100644
--- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -2652,9 +2652,7 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) {
bool Changed = SimplifyCommutative(I);
Value *Op0 = I.getOperand(0);
- // TODO: If Op1 is undef and Op0 is finite, return zero.
- if (!I.getType()->isFPOrFPVector() &&
- isa<UndefValue>(I.getOperand(1))) // undef * X -> 0
+ if (isa<UndefValue>(I.getOperand(1))) // undef * X -> 0
return ReplaceInstUsesWith(I, Context->getNullValue(I.getType()));
// Simplify mul instructions with a constant RHS...
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