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

llvm-svn: 135852
diff --git a/clang/lib/AST/Stmt.cpp b/clang/lib/AST/Stmt.cpp
index fd6f21d..6e4d52b 100644
--- a/clang/lib/AST/Stmt.cpp
+++ b/clang/lib/AST/Stmt.cpp
@@ -214,7 +214,7 @@
 /// getOutputConstraint - Return the constraint string for the specified
 /// output operand.  All output constraints are known to be non-empty (either
 /// '=' or '+').
-llvm::StringRef AsmStmt::getOutputConstraint(unsigned i) const {
+StringRef AsmStmt::getOutputConstraint(unsigned i) const {
   return getOutputConstraintLiteral(i)->getString();
 }
 
@@ -238,7 +238,7 @@
 
 /// getInputConstraint - Return the specified input constraint.  Unlike output
 /// constraints, these can be empty.
-llvm::StringRef AsmStmt::getInputConstraint(unsigned i) const {
+StringRef AsmStmt::getInputConstraint(unsigned i) const {
   return getInputConstraintLiteral(i)->getString();
 }
 
@@ -277,7 +277,7 @@
 /// getNamedOperand - Given a symbolic operand reference like %[foo],
 /// translate this into a numeric value needed to reference the same operand.
 /// This returns -1 if the operand name is invalid.
-int AsmStmt::getNamedOperand(llvm::StringRef SymbolicName) const {
+int AsmStmt::getNamedOperand(StringRef SymbolicName) const {
   unsigned NumPlusOperands = 0;
 
   // Check if this is an output operand.
@@ -297,9 +297,9 @@
 /// AnalyzeAsmString - Analyze the asm string of the current asm, decomposing
 /// it into pieces.  If the asm string is erroneous, emit errors and return
 /// true, otherwise return false.
-unsigned AsmStmt::AnalyzeAsmString(llvm::SmallVectorImpl<AsmStringPiece>&Pieces,
+unsigned AsmStmt::AnalyzeAsmString(SmallVectorImpl<AsmStringPiece>&Pieces,
                                    ASTContext &C, unsigned &DiagOffs) const {
-  llvm::StringRef Str = getAsmString()->getString();
+  StringRef Str = getAsmString()->getString();
   const char *StrStart = Str.begin();
   const char *StrEnd = Str.end();
   const char *CurPtr = StrStart;
@@ -416,7 +416,7 @@
       if (NameEnd == CurPtr)
         return diag::err_asm_empty_symbolic_operand_name;
 
-      llvm::StringRef SymbolicName(CurPtr, NameEnd - CurPtr);
+      StringRef SymbolicName(CurPtr, NameEnd - CurPtr);
 
       int N = getNamedOperand(SymbolicName);
       if (N == -1) {