Unified the switch case handling for unsigned immediate.

Author: ukalappa-mips

llvm/lib/Target/RISCV/RISCVInstrInfo.cpp

@@ -2766,6 +2766,7 @@ bool RISCVInstrInfo::verifyInstruction(const MachineInstr &MI,
         CASE_OPERAND_UIMM(6)
         CASE_OPERAND_UIMM(7)
         CASE_OPERAND_UIMM(8)
+        CASE_OPERAND_UIMM(9)
         CASE_OPERAND_UIMM(10)
         CASE_OPERAND_UIMM(12)
         CASE_OPERAND_UIMM(16)
@@ -2807,9 +2808,6 @@ bool RISCVInstrInfo::verifyInstruction(const MachineInstr &MI,
         case RISCVOp::OPERAND_UIMM9_LSB000:
           Ok = isShiftedUInt<6, 3>(Imm);
           break;
-        case RISCVOp::OPERAND_UIMM9:
-          Ok = isUInt<9>(Imm);
-          break;
         case RISCVOp::OPERAND_SIMM10_LSB0000_NONZERO:
           Ok = isShiftedInt<6, 4>(Imm) && (Imm != 0);
           break;