4024   if (isOneConstant(VL) && isNullConstant(Scalar))  in lowerScalarSplat()
7307   if (isOneConstant(LHS) && (CCVal == ISD::SETLT || CCVal == ISD::SETULT) &&  in lowerSELECT()
11570           isOneConstant(N->getOperand(0)))  in ReplaceNodeResults()
11692     if (IsAdd && isOneConstant(RHS)) {  in ReplaceNodeResults()
12502   if (N0.getOpcode() != ISD::XOR || !isOneConstant(N0.getOperand(1)))  in combineAddOfBooleanXor()
12562   } else if (N1.getOpcode() == ISD::XOR && isOneConstant(N1.getOperand(1)) &&  in combineSubOfBoolean()
12619   if (isOneConstant(N01)) {  in combineDeMorganOfBoolean()
12620     if (!isOneConstant(N11) && !(IsAnd && isAllOnesConstant(N11)))  in combineDeMorganOfBoolean()
12622   } else if (isOneConstant(N11)) {  in combineDeMorganOfBoolean()
12684       N->getValueType(0) == MVT::i32 && isOneConstant(N->getOperand(1)) &&  in performANDCombine()
12731       !isOneConstant(TrueV.getOperand(1)) ||  in combineOrOfCZERO()
12797       isAllOnesConstant(N1) && isOneConstant(N0.getOperand(0)) &&  in performXORCombine()
12805   if (N0.getOpcode() == ISD::SETCC && isOneConstant(N1) && N0.hasOneUse()) {  in performXORCombine()
14398   if (!isOneConstant(Xor1) && !(IsAnd && isAllOnesConstant(Xor1)))  in tryDemorganOfBooleanCondition()
14423   } else if (CCVal == ISD::SETLT && isOneConstant(Setcc.getOperand(1))) {  in tryDemorganOfBooleanCondition()
14505   if (isOneConstant(RHS) && DAG.MaskedValueIsZero(LHS, Mask)) {  in combine_CC()
15381         isOneConstant(N->getOperand(1).getOperand(1))) {  in PerformDAGCombine()
15470       if (((isOneConstant(FalseV) && LHS == TrueV &&  in PerformDAGCombine()
15472            (isOneConstant(TrueV) && LHS == FalseV &&  in PerformDAGCombine()
15488         isOneConstant(TrueV.getOperand(1)) &&  in PerformDAGCombine()
15917     if (isOneConstant(VL))  in PerformDAGCombine()
15938     if (isOneConstant(VL) &&  in PerformDAGCombine()