diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp b/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp index a19cdf7ef6d..45541c9adc0 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp @@ -559,8 +559,8 @@ Instruction *InstCombiner::visitShl(BinaryOperator &I) { return new ZExtInst(Builder.CreateShl(X, ShAmt), Ty); } - // (X >>u C) << C --> X & (-1 << C) - if (match(Op0, m_LShr(m_Value(X), m_Specific(Op1)))) { + // (X >> C) << C --> X & (-1 << C) + if (match(Op0, m_Shr(m_Value(X), m_Specific(Op1)))) { APInt Mask(APInt::getHighBitsSet(BitWidth, BitWidth - ShAmt)); return BinaryOperator::CreateAnd(X, ConstantInt::get(Ty, Mask)); } |
