3993 static bool isAddCarryChain(SDValue Carry) {  in isAddCarryChain()  argument
3994   while (Carry.getOpcode() == ISD::ADDCARRY)  in isAddCarryChain()
3995     Carry = Carry.getOperand(2);  in isAddCarryChain()
3996   return Carry.getOpcode() == ISD::UADDO;  in isAddCarryChain()
3999 static bool isSubBorrowChain(SDValue Carry) {  in isSubBorrowChain()  argument
4000   while (Carry.getOpcode() == ISD::SUBCARRY)  in isSubBorrowChain()
4001     Carry = Carry.getOperand(2);  in isSubBorrowChain()
4002   return Carry.getOpcode() == ISD::USUBO;  in isSubBorrowChain()
4018   SDValue Carry = Op.getOperand(2);  in lowerADDSUBCARRY()  local
4027     if (!isAddCarryChain(Carry))  in lowerADDSUBCARRY()
4035     if (!isSubBorrowChain(Carry))  in lowerADDSUBCARRY()
4045   Carry = DAG.getNode(SystemZISD::GET_CCMASK, DL, MVT::i32, Carry,  in lowerADDSUBCARRY()
4050   SDValue Result = DAG.getNode(BaseOp, DL, VTs, LHS, RHS, Carry);  in lowerADDSUBCARRY()