diff options
Diffstat (limited to 'lib/Transforms/Scalar/InstructionCombining.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index da98d0a0fc..c5f4dea0f0 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -6368,7 +6368,8 @@ Instruction *InstCombiner::visitAShr(BinaryOperator &I) { return ReplaceInstUsesWith(I, CSI); // See if we can turn a signed shr into an unsigned shr. - if (MaskedValueIsZero(Op0, + if (!isa<VectorType>(I.getType()) && + MaskedValueIsZero(Op0, APInt::getSignBit(I.getType()->getPrimitiveSizeInBits()))) return BinaryOperator::CreateLShr(Op0, I.getOperand(1)); |