diff options
Diffstat (limited to 'contrib/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp')
-rw-r--r-- | contrib/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/contrib/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/contrib/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp index b2a41c699202..3a98e8937bda 100644 --- a/contrib/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp +++ b/contrib/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp @@ -2078,7 +2078,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) { Value *NOr = Builder->CreateOr(A, Op1); NOr->takeName(Op0); return BinaryOperator::CreateXor(NOr, - cast<Instruction>(Op0)->getOperand(1)); + ConstantInt::get(NOr->getType(), *C)); } // Y|(X^C) -> (X|Y)^C iff Y&C == 0 @@ -2087,7 +2087,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) { Value *NOr = Builder->CreateOr(A, Op0); NOr->takeName(Op0); return BinaryOperator::CreateXor(NOr, - cast<Instruction>(Op1)->getOperand(1)); + ConstantInt::get(NOr->getType(), *C)); } } @@ -2480,8 +2480,8 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { Constant *NegOp0CI = ConstantExpr::getNeg(Op0CI); return BinaryOperator::CreateSub(SubOne(NegOp0CI), Op0I->getOperand(0)); - } else if (RHSC->getValue().isSignBit()) { - // (X + C) ^ signbit -> (X + C + signbit) + } else if (RHSC->getValue().isSignMask()) { + // (X + C) ^ signmask -> (X + C + signmask) Constant *C = Builder->getInt(RHSC->getValue() + Op0CI->getValue()); return BinaryOperator::CreateAdd(Op0I->getOperand(0), C); |