diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp b/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp index d8166de6c33..34f8037e519 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp @@ -588,10 +588,9 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, Constant *Op1, } Instruction *InstCombiner::visitShl(BinaryOperator &I) { - Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1); - if (Value *V = - SimplifyShlInst(Op0, Op1, I.hasNoSignedWrap(), I.hasNoUnsignedWrap(), - SQ.getWithInstruction(&I))) + if (Value *V = SimplifyShlInst(I.getOperand(0), I.getOperand(1), + I.hasNoSignedWrap(), I.hasNoUnsignedWrap(), + SQ.getWithInstruction(&I))) return replaceInstUsesWith(I, V); if (Instruction *X = foldShuffledBinop(I)) @@ -600,11 +599,12 @@ Instruction *InstCombiner::visitShl(BinaryOperator &I) { if (Instruction *V = commonShiftTransforms(I)) return V; + Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1); Type *Ty = I.getType(); const APInt *ShAmtAPInt; if (match(Op1, m_APInt(ShAmtAPInt))) { unsigned ShAmt = ShAmtAPInt->getZExtValue(); - unsigned BitWidth = I.getType()->getScalarSizeInBits(); + unsigned BitWidth = Ty->getScalarSizeInBits(); // shl (zext X), ShAmt --> zext (shl X, ShAmt) // This is only valid if X would have zeros shifted out. @@ -693,9 +693,8 @@ Instruction *InstCombiner::visitShl(BinaryOperator &I) { } Instruction *InstCombiner::visitLShr(BinaryOperator &I) { - Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1); - if (Value *V = - SimplifyLShrInst(Op0, Op1, I.isExact(), SQ.getWithInstruction(&I))) + if (Value *V = SimplifyLShrInst(I.getOperand(0), I.getOperand(1), I.isExact(), + SQ.getWithInstruction(&I))) return replaceInstUsesWith(I, V); if (Instruction *X = foldShuffledBinop(I)) @@ -704,6 +703,7 @@ Instruction *InstCombiner::visitLShr(BinaryOperator &I) { if (Instruction *R = commonShiftTransforms(I)) return R; + Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1); Type *Ty = I.getType(); const APInt *ShAmtAPInt; if (match(Op1, m_APInt(ShAmtAPInt))) { @@ -821,9 +821,8 @@ Instruction *InstCombiner::visitLShr(BinaryOperator &I) { } Instruction *InstCombiner::visitAShr(BinaryOperator &I) { - Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1); - if (Value *V = - SimplifyAShrInst(Op0, Op1, I.isExact(), SQ.getWithInstruction(&I))) + if (Value *V = SimplifyAShrInst(I.getOperand(0), I.getOperand(1), I.isExact(), + SQ.getWithInstruction(&I))) return replaceInstUsesWith(I, V); if (Instruction *X = foldShuffledBinop(I)) @@ -832,6 +831,7 @@ Instruction *InstCombiner::visitAShr(BinaryOperator &I) { if (Instruction *R = commonShiftTransforms(I)) return R; + Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1); Type *Ty = I.getType(); unsigned BitWidth = Ty->getScalarSizeInBits(); const APInt *ShAmtAPInt; |
