24017     if (isOneConstant(Op0.getOperand(0))) {  in LowerAndToBT()
24790   if ((isOneConstant(Op1) || isNullConstant(Op1)) &&  in emitFlagsForSetcc()
24963     Cond = isOneConstant(RHS) ? X86::COND_E : X86::COND_B;  in getX86XALUOOp()
25179                isOneConstant(Cmp.getOperand(0).getOperand(1))) {  in LowerSELECT()
25235       isOneConstant(Cond.getOperand(1)))  in LowerSELECT()
25805         (isNullConstant(RHS) || isOneConstant(RHS))) {  in LowerBRCOND()
25892   if (!(Cond.getOpcode() == ISD::AND && isOneConstant(Cond.getOperand(1))))  in LowerBRCOND()
44762         isOneConstant(AndNode.getOperand(1))) {  in combineSelect()
44850       if ((CC == ISD::SETGT && (isNullConstant(RHS) || isOneConstant(RHS))) ||  in combineSelect()
44856       if (CC == ISD::SETUGT && isOneConstant(RHS)) {  in combineSelect()
45211       if (isOneConstant(SetCC.getOperand(0)))  in checkBoolTestSetCCCombine()
45213       if (isOneConstant(SetCC.getOperand(1)))  in checkBoolTestSetCCCombine()
45337               isOneConstant(Carry.getOperand(1)))) {  in combineCarryThroughADD()
45369             isOneConstant(CarryOp1.getOperand(1)))  in combineCarryThroughADD()
47954   if (isOneConstant(N1) && N0->hasOneUse()) {  in combineAnd()
48531   if (!isOneConstant(N1))  in foldXorTruncShiftIntoCmp()
50883   if (!isOneConstant(N->getOperand(1)) || LHS->getOpcode() != X86ISD::SETCC)  in foldXor1SetCC()
52447           isOneConstant(Scale)) {  in combineGatherScatter()
52862   } else if (Y.getOpcode() == ISD::AND && isOneConstant(Y.getOperand(1)) &&  in combineAddOrSubToADCOrSBB()