[TableGen] Use StringRef instead of std::string for CodeGenInstruction namespace. NFC

llvm-svn: 307362

1 files changed, 6 insertions, 6 deletions

diff --git a/llvm/utils/TableGen/InstrInfoEmitter.cpp b/llvm/utils/TableGen/InstrInfoEmitter.cpp
index ab7d964cd67..e270a17356f 100644
--- a/llvm/utils/TableGen/InstrInfoEmitter.cpp
+++ b/llvm/utils/TableGen/InstrInfoEmitter.cpp
@@ -67,7 +67,7 @@ private:
   void emitOperandTypesEnum(raw_ostream &OS, const CodeGenTarget &Target);
   void initOperandMapData(
             ArrayRef<const CodeGenInstruction *> NumberedInstructions,
-            const std::string &Namespace,
+            StringRef Namespace,
             std::map<std::string, unsigned> &Operands,
             OpNameMapTy &OperandMap);
   void emitOperandNameMappings(raw_ostream &OS, const CodeGenTarget &Target,
@@ -207,7 +207,7 @@ void InstrInfoEmitter::EmitOperandInfo(raw_ostream &OS,
 ///        well as the getNamedOperandIdx() function.
 void InstrInfoEmitter::initOperandMapData(
         ArrayRef<const CodeGenInstruction *> NumberedInstructions,
-        const std::string &Namespace,
+        StringRef Namespace,
         std::map<std::string, unsigned> &Operands,
         OpNameMapTy &OperandMap) {
   unsigned NumOperands = 0;
@@ -224,7 +224,7 @@ void InstrInfoEmitter::initOperandMapData(
       }
       OpList[I->second] = Info.MIOperandNo;
     }
-    OperandMap[OpList].push_back(Namespace + "::" +
+    OperandMap[OpList].push_back(Namespace.str() + "::" +
                                  Inst->TheDef->getName().str());
   }
 }
@@ -243,7 +243,7 @@ void InstrInfoEmitter::initOperandMapData(
 void InstrInfoEmitter::emitOperandNameMappings(raw_ostream &OS,
            const CodeGenTarget &Target,
            ArrayRef<const CodeGenInstruction*> NumberedInstructions) {
-  const std::string &Namespace = Target.getInstNamespace();
+  StringRef Namespace = Target.getInstNamespace();
   std::string OpNameNS = "OpName";
   // Map of operand names to their enumeration value.  This will be used to
   // generate the OpName enum.
@@ -315,7 +315,7 @@ void InstrInfoEmitter::emitOperandNameMappings(raw_ostream &OS,
 void InstrInfoEmitter::emitOperandTypesEnum(raw_ostream &OS,
                                             const CodeGenTarget &Target) {
 
-  const std::string &Namespace = Target.getInstNamespace();
+  StringRef Namespace = Target.getInstNamespace();
   std::vector<Record *> Operands = Records.getAllDerivedDefinitions("Operand");
 
   OS << "#ifdef GET_INSTRINFO_OPERAND_TYPES_ENUM\n";
@@ -576,7 +576,7 @@ void InstrInfoEmitter::emitEnums(raw_ostream &OS) {
   CodeGenTarget Target(Records);
 
   // We must emit the PHI opcode first...
-  std::string Namespace = Target.getInstNamespace();
+  StringRef Namespace = Target.getInstNamespace();
 
   if (Namespace.empty())
     PrintFatalError("No instructions defined!");