624     SDValue N0 = Node->getOperand(0);  in Select()  local
625     if (N0.getOpcode() != ISD::AND || !N0.hasOneUse() ||  in Select()
626         !isa<ConstantSDNode>(N0.getOperand(1)))  in Select()
629     uint64_t Mask = N0.getConstantOperandVal(1);  in Select()
639             RISCV::SRLIW, DL, VT, N0->getOperand(0),  in Select()
654     SDValue N0 = Node->getOperand(0);  in Select()  local
655     if (N0.getOpcode() != ISD::AND || !N0.hasOneUse() ||  in Select()
656         !isa<ConstantSDNode>(N0.getOperand(1)))  in Select()
659     uint64_t Mask = N0.getConstantOperandVal(1);  in Select()
669             RISCV::SRLIW, DL, VT, N0->getOperand(0),  in Select()
696           CurDAG->getMachineNode(RISCV::BEXTI, DL, VT, N0->getOperand(0),  in Select()
703         CurDAG->getMachineNode(RISCV::SLLI, DL, VT, N0->getOperand(0),  in Select()
723     SDValue N0 = Node->getOperand(0);  in Select()  local
724     if (N0.getOpcode() != ISD::SIGN_EXTEND_INREG || !N0.hasOneUse())  in Select()
728         cast<VTSDNode>(N0.getOperand(1))->getVT().getSizeInBits();  in Select()
734         CurDAG->getMachineNode(RISCV::SLLI, DL, VT, N0->getOperand(0),  in Select()
747     SDValue N0 = Node->getOperand(0);  in Select()  local
749     bool LeftShift = N0.getOpcode() == ISD::SHL;  in Select()
750     if (!LeftShift && N0.getOpcode() != ISD::SRL)  in Select()
753     auto *C = dyn_cast<ConstantSDNode>(N0.getOperand(1));  in Select()
777     bool OneUseOrZExtW = N0.hasOneUse() || C1 == UINT64_C(0xFFFFFFFF);  in Select()
779     SDValue X = N0.getOperand(0);  in Select()
799         if (C2 >= 32 && (Leading - C2) == 1 && N0.hasOneUse() &&  in Select()
940     SDValue N0 = Node->getOperand(0);  in Select()  local
941     if (N0.getOpcode() != ISD::AND || !isa<ConstantSDNode>(N0.getOperand(1)))  in Select()
944     uint64_t C2 = cast<ConstantSDNode>(N0.getOperand(1))->getZExtValue();  in Select()
960     if (IsANDIOrZExt && (isInt<12>(N1C->getSExtValue()) || !N0.hasOneUse()))  in Select()
984         CurDAG->getMachineNode(RISCV::SLLI, DL, VT, N0.getOperand(0),  in Select()
2031     SDValue N0 = N.getOperand(0);  in selectSHXADDOp()  local
2033     bool LeftShift = N0.getOpcode() == ISD::SHL;  in selectSHXADDOp()
2034     if ((LeftShift || N0.getOpcode() == ISD::SRL) &&  in selectSHXADDOp()
2035         isa<ConstantSDNode>(N0.getOperand(1))) {  in selectSHXADDOp()
2037       unsigned C2 = N0.getConstantOperandVal(1);  in selectSHXADDOp()
2055                             RISCV::SRLI, DL, VT, N0.getOperand(0),  in selectSHXADDOp()
2068                   RISCV::SRLI, DL, VT, N0.getOperand(0),  in selectSHXADDOp()
2080     SDValue N0 = N.getOperand(0);  in selectSHXADDOp()  local
2081     if (N0.getOpcode() == ISD::AND && N0.hasOneUse() &&  in selectSHXADDOp()
2082         isa<ConstantSDNode>(N0.getOperand(1))) {  in selectSHXADDOp()
2083       uint64_t Mask = N0.getConstantOperandVal(1);  in selectSHXADDOp()
2096                             RISCV::SRLIW, DL, VT, N0.getOperand(0),  in selectSHXADDOp()
2108                             RISCV::SRLIW, DL, VT, N0.getOperand(0),  in selectSHXADDOp()
2355   SDValue N0 = N->getOperand(0);  in doPeepholeSExtW()  local
2356   if (!N0.isMachineOpcode())  in doPeepholeSExtW()
2359   switch (N0.getMachineOpcode()) {  in doPeepholeSExtW()
2370     switch (N0.getMachineOpcode()) {  in doPeepholeSExtW()
2380     SDValue N00 = N0.getOperand(0);  in doPeepholeSExtW()
2381     SDValue N01 = N0.getOperand(1);  in doPeepholeSExtW()
2384     if (N0.getMachineOpcode() == RISCV::SLLI &&  in doPeepholeSExtW()
2403     ReplaceUses(N, N0.getNode());  in doPeepholeSExtW()