diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp index 99d5e3f7d02..20c75a3ec0a 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp @@ -936,7 +936,7 @@ Value *InstCombiner::foldAndOfICmps(ICmpInst *LHS, ICmpInst *RHS, case ICmpInst::ICMP_ULT: if (LHSC == SubOne(RHSC)) // (X != 13 & X u< 14) -> X < 13 return Builder->CreateICmpULT(LHS0, LHSC); - if (LHSC->isNullValue()) // (X != 0 & X u< 14) -> X-1 u< 13 + if (LHSC->isZero()) // (X != 0 & X u< 14) -> X-1 u< 13 return insertRangeTest(LHS0, LHSC->getValue() + 1, RHSC->getValue(), false, true); break; // (X != 13 & X u< 15) -> no change @@ -2489,7 +2489,7 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { if (BinaryOperator *Op0I = dyn_cast<BinaryOperator>(Op0)) { // ~(c-X) == X-c-1 == X+(-c-1) - if (Op0I->getOpcode() == Instruction::Sub && RHSC->isAllOnesValue()) + if (Op0I->getOpcode() == Instruction::Sub && RHSC->isMinusOne()) if (Constant *Op0I0C = dyn_cast<Constant>(Op0I->getOperand(0))) { Constant *NegOp0I0C = ConstantExpr::getNeg(Op0I0C); return BinaryOperator::CreateAdd(Op0I->getOperand(1), @@ -2499,7 +2499,7 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { if (ConstantInt *Op0CI = dyn_cast<ConstantInt>(Op0I->getOperand(1))) { if (Op0I->getOpcode() == Instruction::Add) { // ~(X-c) --> (-c-1)-X - if (RHSC->isAllOnesValue()) { + if (RHSC->isMinusOne()) { Constant *NegOp0CI = ConstantExpr::getNeg(Op0CI); return BinaryOperator::CreateSub(SubOne(NegOp0CI), Op0I->getOperand(0)); |
