remove unneeded llvm:: namespace qualifiers on some core types now that LLVM.h imports
them into the clang namespace.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135852 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/LiteralSupport.cpp b/lib/Lex/LiteralSupport.cpp
index 2c96c4d..f8a2a55 100644
--- a/lib/Lex/LiteralSupport.cpp
+++ b/lib/Lex/LiteralSupport.cpp
@@ -16,7 +16,6 @@
 #include "clang/Lex/Preprocessor.h"
 #include "clang/Lex/LexDiagnostic.h"
 #include "clang/Basic/TargetInfo.h"
-#include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/StringExtras.h"
 using namespace clang;
 
@@ -371,7 +370,7 @@
       // Done.
     } else if (isxdigit(*s) && !(*s == 'e' || *s == 'E')) {
       PP.Diag(PP.AdvanceToTokenCharacter(TokLoc, s-begin),
-              diag::err_invalid_decimal_digit) << llvm::StringRef(s, 1);
+              diag::err_invalid_decimal_digit) << StringRef(s, 1);
       hadError = true;
       return;
     } else if (*s == '.') {
@@ -498,7 +497,7 @@
     PP.Diag(PP.AdvanceToTokenCharacter(TokLoc, s-begin),
             isFPConstant ? diag::err_invalid_suffix_float_constant :
                            diag::err_invalid_suffix_integer_constant)
-      << llvm::StringRef(SuffixBegin, ThisTokEnd-SuffixBegin);
+      << StringRef(SuffixBegin, ThisTokEnd-SuffixBegin);
     hadError = true;
     return;
   }
@@ -569,7 +568,7 @@
       // Done.
     } else if (isxdigit(*s)) {
       PP.Diag(PP.AdvanceToTokenCharacter(TokLoc, s-ThisTokBegin),
-              diag::err_invalid_binary_digit) << llvm::StringRef(s, 1);
+              diag::err_invalid_binary_digit) << StringRef(s, 1);
       hadError = true;
     }
     // Other suffixes will be diagnosed by the caller.
@@ -599,7 +598,7 @@
   // the code is using an incorrect base.
   if (isxdigit(*s) && *s != 'e' && *s != 'E') {
     PP.Diag(PP.AdvanceToTokenCharacter(TokLoc, s-ThisTokBegin),
-            diag::err_invalid_octal_digit) << llvm::StringRef(s, 1);
+            diag::err_invalid_octal_digit) << StringRef(s, 1);
     hadError = true;
     return;
   }
@@ -688,7 +687,6 @@
 llvm::APFloat::opStatus
 NumericLiteralParser::GetFloatValue(llvm::APFloat &Result) {
   using llvm::APFloat;
-  using llvm::StringRef;
 
   unsigned n = std::min(SuffixBegin - ThisTokBegin, ThisTokEnd - ThisTokBegin);
   return Result.convertFromString(StringRef(ThisTokBegin, n),