diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index 838b33cb23c..864b2fa5ee0 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -2702,7 +2702,8 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { Context->getConstantInt(Op0->getType(), Val.logBase2())); } } else if (isa<VectorType>(Op1->getType())) { - // TODO: If Op1 is all zeros and Op0 is all finite, return all zeros. + if (Op1->isNullValue()) + return ReplaceInstUsesWith(I, Op1); if (ConstantVector *Op1V = dyn_cast<ConstantVector>(Op1)) { if (Op1V->isAllOnesValue()) // X * -1 == 0 - X |
