diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp b/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp index 6cf64c26172..55b37f0fe62 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp @@ -773,7 +773,7 @@ Instruction *InstCombiner::visitLShr(BinaryOperator &I) { return NewLShr; } // (X << C1) >>u C2 --> (X >>u (C2 - C1)) & (-1 >> C2) - Value *NewLShr = Builder->CreateLShr(X, ShiftDiff); + Value *NewLShr = Builder->CreateLShr(X, ShiftDiff, "", I.isExact()); APInt Mask(APInt::getLowBitsSet(BitWidth, BitWidth - ShAmt)); return BinaryOperator::CreateAnd(NewLShr, ConstantInt::get(Ty, Mask)); } |
