[RISCV] Add version of generateImmOutOfRangeError that takes an SMLoc.

Have the ErrorInfo version call it after looking up ErrorInfo in
the Operands.

Use the new function in a few places that don't have ErrorInfo and
were also generating out of range messages.

Author: topperc

llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp

@@ -87,6 +87,8 @@ class RISCVAsmParser : public MCTargetAsmParser {
   bool generateImmOutOfRangeError(OperandVector &Operands, uint64_t ErrorInfo,
                                   int64_t Lower, int64_t Upper,
                                   const Twine &Msg);
+  bool generateImmOutOfRangeError(SMLoc ErrorLoc, int64_t Lower, int64_t Upper,
+                                  const Twine &Msg);
 
   bool MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
                                OperandVector &Operands, MCStreamer &Out,
@@ -1167,11 +1169,17 @@ unsigned RISCVAsmParser::checkTargetMatchPredicate(MCInst &Inst) {
   return Match_Success;
 }
 
+bool RISCVAsmParser::generateImmOutOfRangeError(
+    SMLoc ErrorLoc, int64_t Lower, int64_t Upper,
+    const Twine &Msg = "immediate must be an integer in the range") {
+  return Error(ErrorLoc, Msg + " [" + Twine(Lower) + ", " + Twine(Upper) + "]");
+}
+
 bool RISCVAsmParser::generateImmOutOfRangeError(
     OperandVector &Operands, uint64_t ErrorInfo, int64_t Lower, int64_t Upper,
     const Twine &Msg = "immediate must be an integer in the range") {
   SMLoc ErrorLoc = ((RISCVOperand &)*Operands[ErrorInfo]).getStartLoc();
-  return Error(ErrorLoc, Msg + " [" + Twine(Lower) + ", " + Twine(Upper) + "]");
+  return generateImmOutOfRangeError(ErrorLoc, Lower, Upper, Msg);
 }
 
 bool RISCVAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
@@ -1563,8 +1571,9 @@ RISCVAsmParser::parseInsnDirectiveOpcode(OperandVector &Operands) {
     break;
   }
 
-  Error(S, "opcode must be a valid opcode name or an immediate in the range "
-           "[0, 127]");
+  generateImmOutOfRangeError(S, 0, 127,
+                             "opcode must be a valid opcode name or an "
+                             "immediate in the range");
   return MatchOperand_ParseFail;
 }
 
@@ -1624,8 +1633,9 @@ RISCVAsmParser::parseInsnCDirectiveOpcode(OperandVector &Operands) {
   }
   }
 
-  Error(S, "opcode must be a valid opcode name or an immediate in the range "
-           "[0, 2]");
+  generateImmOutOfRangeError(S, 0, 2,
+                             "opcode must be a valid opcode name or an "
+                             "immediate in the range");
   return MatchOperand_ParseFail;
 }
 
@@ -1660,8 +1670,7 @@ RISCVAsmParser::parseCSRSystemRegister(OperandVector &Operands) {
       }
     }
 
-    Twine Msg = "immediate must be an integer in the range";
-    Error(S, Msg + " [" + Twine(0) + ", " + Twine((1 << 12) - 1) + "]");
+    generateImmOutOfRangeError(S, 0, (1 << 12) - 1);
     return MatchOperand_ParseFail;
   }
   case AsmToken::Identifier: {
@@ -1688,15 +1697,14 @@ RISCVAsmParser::parseCSRSystemRegister(OperandVector &Operands) {
       return MatchOperand_Success;
     }
 
-    Twine Msg = "operand must be a valid system register name "
-                "or an integer in the range";
-    Error(S, Msg + " [" + Twine(0) + ", " + Twine((1 << 12) - 1) + "]");
+    generateImmOutOfRangeError(S, 0, (1 << 12) - 1,
+                               "operand must be a valid system register name "
+                               "or an integer in the range");
     return MatchOperand_ParseFail;
   }
   case AsmToken::Percent: {
     // Discard operand with modifier.
-    Twine Msg = "immediate must be an integer in the range";
-    Error(S, Msg + " [" + Twine(0) + ", " + Twine((1 << 12) - 1) + "]");
+    generateImmOutOfRangeError(S, 0, (1 << 12) - 1);
     return MatchOperand_ParseFail;
   }
   }