3756 static bool isAddCarryChain(SDValue Carry) {  in isAddCarryChain()  argument
3757   while (Carry.getOpcode() == ISD::ADDCARRY)  in isAddCarryChain()
3758     Carry = Carry.getOperand(2);  in isAddCarryChain()
3759   return Carry.getOpcode() == ISD::UADDO;  in isAddCarryChain()
3762 static bool isSubBorrowChain(SDValue Carry) {  in isSubBorrowChain()  argument
3763   while (Carry.getOpcode() == ISD::SUBCARRY)  in isSubBorrowChain()
3764     Carry = Carry.getOperand(2);  in isSubBorrowChain()
3765   return Carry.getOpcode() == ISD::USUBO;  in isSubBorrowChain()
3781   SDValue Carry = Op.getOperand(2);  in lowerADDSUBCARRY()  local
3790     if (!isAddCarryChain(Carry))  in lowerADDSUBCARRY()
3798     if (!isSubBorrowChain(Carry))  in lowerADDSUBCARRY()
3808   Carry = DAG.getNode(SystemZISD::GET_CCMASK, DL, MVT::i32, Carry,  in lowerADDSUBCARRY()
3813   SDValue Result = DAG.getNode(BaseOp, DL, VTs, LHS, RHS, Carry);  in lowerADDSUBCARRY()