[TableGen][NFC] Add postfix for validators of CompressPat

[• pcwang-thead]

Summary

So that we won't get redefinition errors if we use compressInst
and uncompressInst in the same file.

[asb]

LGTM.

[• pcwang-thead]

Rebase

llvm/utils/TableGen/CompressInstEmitter.cpp

void CompressInstEmitter::emitCompressInstEmitter(raw_ostream &o,
   StringRef CurOp;
   CaseStream << "  switch (MI.getOpcode()) {\n";
   CaseStream << "    default: return false;\n";
 
   bool CompressOrCheck =
       EType == EmitterType::Compress || EType == EmitterType::CheckCompress;
   bool CompressOrUncompress =
       EType == EmitterType::Compress || EType == EmitterType::Uncompress;
+  std::string ValidatorName =
+      CompressOrUncompress
+          ? (TargetName + "ValidateMCOperandFor" +
+             (EType == EmitterType::Compress ? "Compress" : "Uncompress"))
+                .str()
+          : "";
 
   for (auto &CompressPat : CompressPatterns) {
     if (EType == EmitterType::Uncompress && CompressPat.IsCompressOnly)
       continue;
 
     std::string CondString;
     std::string CodeString;
     raw_string_ostream CondStream(CondString);
for (const auto &DestOperand : Dest.Operands) {
                 << "OutInst.addOperand(MI.getOperand(" << OpIdx << "));\n";
         } else {
           // Handling immediate operands.
           if (CompressOrUncompress) {
             unsigned Entry =
                 getPredicates(MCOpPredicateMap, MCOpPredicates, DestOperand.Rec,
                               "MCOperandPredicate");
             CondStream.indent(6)
-                << TargetName << "ValidateMCOperand("
+                << ValidatorName << "("
                 << "MI.getOperand(" << OpIdx << "), STI, " << Entry << ") &&\n";
           } else {
             unsigned Entry =
                 getPredicates(ImmLeafPredicateMap, ImmLeafPredicates,
                               DestOperand.Rec, "ImmediateCode");
             CondStream.indent(6)
                 << "MI.getOperand(" << OpIdx << ").isImm() &&\n";
             CondStream.indent(6) << TargetName << "ValidateMachineOperand("
                                  << "MI.getOperand(" << OpIdx
                                  << "), &STI, " << Entry << ") &&\n";
           }
           if (CompressOrUncompress)
             CodeStream.indent(6)
                 << "OutInst.addOperand(MI.getOperand(" << OpIdx << "));\n";
         }
         break;
       }
       case OpData::Imm: {
         if (CompressOrUncompress) {
           unsigned Entry = getPredicates(MCOpPredicateMap, MCOpPredicates,
                                          DestOperand.Rec, "MCOperandPredicate");
           CondStream.indent(6)
-              << TargetName << "ValidateMCOperand("
+              << ValidatorName << "("
               << "MCOperand::createImm(" << DestOperandMap[OpNo].Data.Imm
               << "), STI, " << Entry << ") &&\n";
         } else {
           unsigned Entry = getPredicates(ImmLeafPredicateMap, ImmLeafPredicates,
                                          DestOperand.Rec, "ImmediateCode");
           CondStream.indent(6)
               << TargetName
               << "ValidateMachineOperand(MachineOperand::CreateImm("
void CompressInstEmitter::emitCompressInstEmitter(raw_ostream &o,
   }
   Func << CaseStream.str() << "\n";
   // Close brace for the last case.
   Func.indent(4) << "} // case " << CurOp << "\n";
   Func.indent(2) << "} // switch\n";
   Func.indent(2) << "return false;\n}\n";
 
   if (!MCOpPredicates.empty()) {
-    o << "static bool " << TargetName
-      << "ValidateMCOperand(const MCOperand &MCOp,\n"
+    o << "static bool " << ValidatorName << "(const MCOperand &MCOp,\n"
       << "                  const MCSubtargetInfo &STI,\n"
       << "                  unsigned PredicateIndex) {\n"
       << "  switch (PredicateIndex) {\n"
       << "  default:\n"
       << "    llvm_unreachable(\"Unknown MCOperandPredicate kind\");\n"
       << "    break;\n";
 
     printPredicates(MCOpPredicates, "MCOperandPredicate", o);