Replace (Lower|Upper)caseString in favor of StringRef's newest methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143891 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmParser/ARMAsmLexer.cpp b/lib/Target/ARM/AsmParser/ARMAsmLexer.cpp
index 14d35ba..eb8aaf2 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmLexer.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmLexer.cpp
@@ -19,7 +19,6 @@
#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSwitch.h"
#include <string>
@@ -107,11 +106,9 @@
SetError(Lexer->getErrLoc(), Lexer->getErr());
break;
case AsmToken::Identifier: {
- std::string upperCase = lexedToken.getString().str();
- std::string lowerCase = LowercaseString(upperCase);
- StringRef lowerRef(lowerCase);
+ std::string lowerCase = lexedToken.getString().lower();
- unsigned regID = MatchRegisterName(lowerRef);
+ unsigned regID = MatchRegisterName(lowerCase);
// Check for register aliases.
// r13 -> sp
// r14 -> lr