1144       unsigned C2 = C->getZExtValue();  in Select()  local
1146       assert((C2 > 0 && C2 < XLen) && "Unexpected shift amount!");  in Select()
1158         C1 &= maskTrailingZeros<uint64_t>(C2);  in Select()
1160         C1 &= maskTrailingOnes<uint64_t>(XLen - C2);  in Select()
1172         if (C2 < Leading) {  in Select()
1174           if (C2 + 32 == Leading) {  in Select()
1176                 RISCV::SRLIW, DL, VT, X, CurDAG->getTargetConstant(C2, DL, VT));  in Select()
1186           if (C2 >= 32 && (Leading - C2) == 1 && N0.hasOneUse() &&  in Select()
1206           const unsigned Msb = llvm::bit_width(C1) + C2 - 1;  in Select()
1207           const unsigned Lsb = C2;  in Select()
1221                 CurDAG->getTargetConstant(Leading - C2, DL, VT));  in Select()
1236         if (C2 + Leading < XLen &&  in Select()
1237             C1 == (maskTrailingOnes<uint64_t>(XLen - (C2 + Leading)) << C2)) {  in Select()
1239           if ((XLen - (C2 + Leading)) == 32 && Subtarget->hasStdExtZba()) {  in Select()
1242                                        CurDAG->getTargetConstant(C2, DL, VT));  in Select()
1251                 CurDAG->getTargetConstant(C2 + Leading, DL, VT));  in Select()
1266         if (Leading == C2 && C2 + Trailing < XLen && OneUseOrZExtW &&  in Select()
1278               CurDAG->getTargetConstant(C2 + Trailing, DL, VT));  in Select()
1286         if (Leading > 32 && (Leading - 32) == C2 && C2 + Trailing < 32 &&  in Select()
1290               CurDAG->getTargetConstant(C2 + Trailing, DL, VT));  in Select()
1304         if (Leading == 0 && C2 < Trailing && OneUseOrZExtW && !IsCANDI) {  in Select()
1307               CurDAG->getTargetConstant(Trailing - C2, DL, VT));  in Select()
1315         if (C2 < Trailing && Leading + C2 == 32 && OneUseOrZExtW && !IsCANDI) {  in Select()
1318               CurDAG->getTargetConstant(Trailing - C2, DL, VT));  in Select()
1361     uint64_t C2 = N0.getConstantOperandVal(1);  in Select()  local
1364     if (!isMask_64(C2))  in Select()
1373         isInt<12>(C2) ||  in Select()
1374         (C2 == UINT64_C(0xFFFF) && Subtarget->hasStdExtZbb());  in Select()
1376     IsANDIOrZExt |= C2 == UINT64_C(0xFFFF) && Subtarget->hasVendorXTHeadBb();  in Select()
1381     bool IsZExtW = C2 == UINT64_C(0xFFFFFFFF) && Subtarget->hasStdExtZba();  in Select()
1383     IsZExtW |= C2 == UINT64_C(0xFFFFFFFF) && Subtarget->hasVendorXTHeadBb();  in Select()
1391     unsigned LeadingZeros = XLen - llvm::bit_width(C2);  in Select()
2740       unsigned C2 = N0.getConstantOperandVal(1);  in selectSHXADDOp()  local
2744         Mask &= maskTrailingZeros<uint64_t>(C2);  in selectSHXADDOp()
2746         Mask &= maskTrailingOnes<uint64_t>(XLen - C2);  in selectSHXADDOp()
2754         if (LeftShift && Leading == 0 && C2 < Trailing && Trailing == ShAmt) {  in selectSHXADDOp()
2759                             CurDAG->getTargetConstant(Trailing - C2, DL, VT)),  in selectSHXADDOp()
2766         if (!LeftShift && Leading == C2 && Trailing == ShAmt) {  in selectSHXADDOp()
2834       unsigned C2 = N0.getConstantOperandVal(1);  in selectSHXADD_UWOp()  local
2836       Mask &= maskTrailingZeros<uint64_t>(C2);  in selectSHXADD_UWOp()
2844         if (Leading == 32 - ShAmt && Trailing == C2 && Trailing > ShAmt) {  in selectSHXADD_UWOp()
2849                             CurDAG->getTargetConstant(C2 - ShAmt, DL, VT)),  in selectSHXADD_UWOp()