The ConvertToMCInst() function can't fail, so remove the now dead Match_ConversionFail enum.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163002 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/MC/MCTargetAsmParser.h

@@ -25,7 +25,6 @@ template <typename T> class SmallVectorImpl;
 class MCTargetAsmParser : public MCAsmParserExtension {
 public:
   enum MatchResultTy {
-    Match_ConversionFail,
     Match_InvalidOperand,
     Match_MissingFeature,
     Match_MnemonicFail,

lib/Target/ARM/AsmParser/ARMAsmParser.cpp

@@ -7520,9 +7520,6 @@ MatchAndEmitInstruction(SMLoc IDLoc,
   case Match_MnemonicFail:
     return Error(IDLoc, "invalid instruction",
                  ((ARMOperand*)Operands[0])->getLocRange());
-  case Match_ConversionFail:
-    // The converter function will have already emitted a diagnostic.
-    return true;
   case Match_RequiresNotITBlock:
     return Error(IDLoc, "flag setting instruction only valid outside IT block");
   case Match_RequiresITBlock:

lib/Target/MBlaze/AsmParser/MBlazeAsmParser.cpp

@@ -329,8 +329,6 @@ MatchAndEmitInstruction(SMLoc IDLoc,
     return Error(IDLoc, "instruction use requires an option to be enabled");
   case Match_MnemonicFail:
       return Error(IDLoc, "unrecognized instruction mnemonic");
-  case Match_ConversionFail:
-    return Error(IDLoc, "unable to convert operands to instruction");
   case Match_InvalidOperand:
     ErrorLoc = IDLoc;
     if (ErrorInfo != ~0U) {

lib/Target/X86/AsmParser/X86AsmParser.cpp

@@ -1585,9 +1585,6 @@ MatchInstruction(SMLoc IDLoc,
     Error(IDLoc, "instruction requires a CPU feature not currently enabled",
           EmptyRanges, matchingInlineAsm);
     return true;
-  case Match_ConversionFail:
-    return Error(IDLoc, "unable to convert operands to instruction",
-                 EmptyRanges, matchingInlineAsm);
   case Match_InvalidOperand:
     WasOriginallyInvalidOperand = true;
     break;