[TableGen] Remove redundant `Error:` in msg (NFC)

[ksyx]

Summary

Since calling PrintFatalError will automatically add error: prefix in the message printed, there is no need having an extra ERROR: prefix in the argument passed.

[Paul-C-Anagnostopoulos]

LGTM.

llvm/utils/TableGen/CodeGenTarget.cpp

 
 
 /// getTarget - Return the current instance of the Target class.
 ///
 CodeGenTarget::CodeGenTarget(RecordKeeper &records)
   : Records(records), CGH(records) {
   std::vector<Record*> Targets = Records.getAllDerivedDefinitions("Target");
   if (Targets.size() == 0)
-    PrintFatalError("ERROR: No 'Target' subclasses defined!");
+    PrintFatalError("No 'Target' subclasses defined!");
   if (Targets.size() != 1)
-    PrintFatalError("ERROR: Multiple subclasses of Target defined!");
+    PrintFatalError("Multiple subclasses of Target defined!");
   TargetRec = Targets[0];
 }
 
 CodeGenTarget::~CodeGenTarget() {
 }
 
 StringRef CodeGenTarget::getName() const { return TargetRec->getName(); }
 

llvm/utils/TableGen/ExegesisEmitter.cpp

for (auto &NameAndIndex : PfmCounterNameTable)
     NameAndIndex.second = Index++;
   return PfmCounterNameTable;
 }
 
 ExegesisEmitter::ExegesisEmitter(RecordKeeper &RK)
     : Records(RK), PfmCounterNameTable(collectPfmCounters(RK)) {
   std::vector<Record *> Targets = Records.getAllDerivedDefinitions("Target");
   if (Targets.size() == 0)
-    PrintFatalError("ERROR: No 'Target' subclasses defined!");
+    PrintFatalError("No 'Target' subclasses defined!");
   if (Targets.size() != 1)
-    PrintFatalError("ERROR: Multiple subclasses of Target defined!");
+    PrintFatalError("Multiple subclasses of Target defined!");
   Target = std::string(Targets[0]->getName());
 }
 
 void ExegesisEmitter::emitPfmCountersInfo(const Record &Def,
                                           unsigned &IssueCountersTableOffset,
                                           raw_ostream &OS) const {
   const auto CycleCounter =
       Def.getValueAsDef("CycleCounter")->getValueAsString("Counter");