diff options
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp index 0d0522a18349..c00bc74191a0 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp @@ -855,14 +855,12 @@ Value *InstCombinerImpl::SimplifyDemandedUseBits(Value *V, APInt DemandedMask, break; } case Instruction::URem: { - KnownBits Known2(BitWidth); APInt AllOnes = APInt::getAllOnes(BitWidth); - if (SimplifyDemandedBits(I, 0, AllOnes, Known2, Depth + 1) || - SimplifyDemandedBits(I, 1, AllOnes, Known2, Depth + 1)) + if (SimplifyDemandedBits(I, 0, AllOnes, LHSKnown, Depth + 1) || + SimplifyDemandedBits(I, 1, AllOnes, RHSKnown, Depth + 1)) return I; - unsigned Leaders = Known2.countMinLeadingZeros(); - Known.Zero = APInt::getHighBitsSet(BitWidth, Leaders) & DemandedMask; + Known = KnownBits::urem(LHSKnown, RHSKnown); break; } case Instruction::Call: { |