pass stringref by value instead of by const&

llvm-svn: 95627

1 files changed, 2 insertions, 1 deletions

diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
index b5e5f8b137e..10b00d54597 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -67,7 +67,7 @@ public:
 /// @name Auto-generated Match Functions
 /// {  
 
-static unsigned MatchRegisterName(const StringRef &Name);
+static unsigned MatchRegisterName(StringRef Name);
 
 /// }
 
@@ -291,6 +291,7 @@ bool X86ATTAsmParser::ParseRegister(unsigned &RegNo,
   // FIXME: Validate register for the current architecture; we have to do
   // validation later, so maybe there is no need for this here.
   RegNo = MatchRegisterName(Tok.getString());
+  
   if (RegNo == 0)
     return Error(Tok.getLoc(), "invalid register name");