[MIPS] MipsAsmParser - Pass Twine by const reference instead of by value. NFCI.

diff --git a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index 9dbbdeb..e4d61f8 100644 (file)
--- a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -352,8 +352,8 @@ class MipsAsmParser : public MCTargetAsmParser {
   bool expandSaaAddr(MCInst &Inst, SMLoc IDLoc, MCStreamer &Out,
                      const MCSubtargetInfo *STI);
 
-  bool reportParseError(Twine ErrorMsg);
-  bool reportParseError(SMLoc Loc, Twine ErrorMsg);
+  bool reportParseError(const Twine &ErrorMsg);
+  bool reportParseError(SMLoc Loc, const Twine &ErrorMsg);
 
   bool parseMemOffset(const MCExpr *&Res, bool isParenExpr);
 
@@ -6982,12 +6982,12 @@ bool MipsAsmParser::ParseInstruction(ParseInstructionInfo &Info, StringRef Name,
 
 // FIXME: Given that these have the same name, these should both be
 // consistent on affecting the Parser.
-bool MipsAsmParser::reportParseError(Twine ErrorMsg) {
+bool MipsAsmParser::reportParseError(const Twine &ErrorMsg) {
   SMLoc Loc = getLexer().getLoc();
   return Error(Loc, ErrorMsg);
 }
 
-bool MipsAsmParser::reportParseError(SMLoc Loc, Twine ErrorMsg) {
+bool MipsAsmParser::reportParseError(SMLoc Loc, const Twine &ErrorMsg) {
   return Error(Loc, ErrorMsg);
 }