Remove useless 'llvm::' qualifier from names like StringRef and others that are

brought into 'clang' namespace by clang/Basic/LLVM.h


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172323 91177308-0d34-0410-b5e6-96231b3b80d8

60 files changed, 177 insertions, 187 deletions

diff --git a/include/clang/AST/Attr.h b/include/clang/AST/Attr.h
index 29ec1a2686..aad2fb8577 100644
--- a/include/clang/AST/Attr.h
+++ b/include/clang/AST/Attr.h
@@ -88,7 +88,7 @@ public:
   virtual bool isLateParsed() const { return false; }
 
   // Pretty print this attribute.
-  virtual void printPretty(llvm::raw_ostream &OS,
+  virtual void printPretty(raw_ostream &OS,
                            const PrintingPolicy &Policy) const = 0;
 };
 
diff --git a/include/clang/AST/Comment.h b/include/clang/AST/Comment.h
index 3fa61ae2c7..83fa8be0ee 100644
--- a/include/clang/AST/Comment.h
+++ b/include/clang/AST/Comment.h
@@ -172,7 +172,7 @@ public:
 
   LLVM_ATTRIBUTE_USED void dump() const;
   LLVM_ATTRIBUTE_USED void dump(const ASTContext &Context) const;
-  void dump(llvm::raw_ostream &OS, const CommandTraits *Traits,
+  void dump(raw_ostream &OS, const CommandTraits *Traits,
             const SourceManager *SM) const;
 
   SourceRange getSourceRange() const LLVM_READONLY { return Range; }
@@ -282,14 +282,14 @@ public:
 
 protected:
   /// Command arguments.
-  llvm::ArrayRef<Argument> Args;
+  ArrayRef<Argument> Args;
 
 public:
   InlineCommandComment(SourceLocation LocBegin,
                        SourceLocation LocEnd,
                        unsigned CommandID,
                        RenderKind RK,
-                       llvm::ArrayRef<Argument> Args) :
+                       ArrayRef<Argument> Args) :
       InlineContentComment(InlineCommandCommentKind, LocBegin, LocEnd),
       Args(Args) {
     InlineCommandCommentBits.RenderKind = RK;
@@ -504,10 +504,10 @@ public:
 
 /// A single paragraph that contains inline content.
 class ParagraphComment : public BlockContentComment {
-  llvm::ArrayRef<InlineContentComment *> Content;
+  ArrayRef<InlineContentComment *> Content;
 
 public:
-  ParagraphComment(llvm::ArrayRef<InlineContentComment *> Content) :
+  ParagraphComment(ArrayRef<InlineContentComment *> Content) :
       BlockContentComment(ParagraphCommentKind,
                           SourceLocation(),
                           SourceLocation()),
@@ -565,7 +565,7 @@ public:
 
 protected:
   /// Word-like arguments.
-  llvm::ArrayRef<Argument> Args;
+  ArrayRef<Argument> Args;
 
   /// Paragraph argument.
   ParagraphComment *Paragraph;
@@ -633,7 +633,7 @@ public:
     return Args[Idx].Range;
   }
 
-  void setArgs(llvm::ArrayRef<Argument> A) {
+  void setArgs(ArrayRef<Argument> A) {
     Args = A;
     if (Args.size() > 0) {
       SourceLocation NewLocEnd = Args.back().Range.getEnd();
@@ -746,7 +746,7 @@ private:
   /// For C:  Position = { 0 }
   /// For TT: Position = { 1 }
   /// For T:  Position = { 1, 0 }
-  llvm::ArrayRef<unsigned> Position;
+  ArrayRef<unsigned> Position;
 
 public:
   TParamCommandComment(SourceLocation LocBegin,
@@ -826,7 +826,7 @@ class VerbatimBlockComment : public BlockCommandComment {
 protected:
   StringRef CloseName;
   SourceLocation CloseNameLocBegin;
-  llvm::ArrayRef<VerbatimBlockLineComment *> Lines;
+  ArrayRef<VerbatimBlockLineComment *> Lines;
 
 public:
   VerbatimBlockComment(SourceLocation LocBegin,
@@ -853,7 +853,7 @@ public:
     CloseNameLocBegin = LocBegin;
   }
 
-  void setLines(llvm::ArrayRef<VerbatimBlockLineComment *> L) {
+  void setLines(ArrayRef<VerbatimBlockLineComment *> L) {
     Lines = L;
   }
 
@@ -1021,11 +1021,11 @@ struct DeclInfo {
 
 /// A full comment attached to a declaration, contains block content.
 class FullComment : public Comment {
-  llvm::ArrayRef<BlockContentComment *> Blocks;
+  ArrayRef<BlockContentComment *> Blocks;
   DeclInfo *ThisDeclInfo;
 
 public:
-  FullComment(llvm::ArrayRef<BlockContentComment *> Blocks, DeclInfo *D) :
+  FullComment(ArrayRef<BlockContentComment *> Blocks, DeclInfo *D) :
       Comment(FullCommentKind, SourceLocation(), SourceLocation()),
       Blocks(Blocks), ThisDeclInfo(D) {
     if (Blocks.empty())
@@ -1062,7 +1062,7 @@ public:
     return ThisDeclInfo;
   }
   
-  llvm::ArrayRef<BlockContentComment *> getBlocks() const { return Blocks; }
+  ArrayRef<BlockContentComment *> getBlocks() const { return Blocks; }
   
 };
 } // end namespace comments
diff --git a/include/clang/AST/Decl.h b/include/clang/AST/Decl.h
index da12a5f591..bb0794ed04 100644
--- a/include/clang/AST/Decl.h
+++ b/include/clang/AST/Decl.h
@@ -1093,8 +1093,7 @@ public:
   /// not a constant expression. Returns a pointer to the value if evaluation
   /// succeeded, 0 otherwise.
   APValue *evaluateValue() const;
-  APValue *evaluateValue(
-    llvm::SmallVectorImpl<PartialDiagnosticAt> &Notes) const;
+  APValue *evaluateValue(SmallVectorImpl<PartialDiagnosticAt> &Notes) const;
 
   /// \brief Return the already-evaluated value of this variable's
   /// initializer, or NULL if the value is not yet known. Returns pointer
@@ -1457,7 +1456,7 @@ private:
   /// DeclsInPrototypeScope - Array of pointers to NamedDecls for
   /// decls defined in the function prototype that are not parameters. E.g.
   /// 'enum Y' in 'void f(enum Y {AA} x) {}'.
-  llvm::ArrayRef<NamedDecl*> DeclsInPrototypeScope;
+  ArrayRef<NamedDecl *> DeclsInPrototypeScope;
 
   LazyDeclStmtPtr Body;
 
@@ -1548,7 +1547,7 @@ private:
   void setInstantiationOfMemberFunction(ASTContext &C, FunctionDecl *FD,
                                         TemplateSpecializationKind TSK);
 
-  void setParams(ASTContext &C, llvm::ArrayRef<ParmVarDecl *> NewParamInfo);
+  void setParams(ASTContext &C, ArrayRef<ParmVarDecl *> NewParamInfo);
 
 protected:
   FunctionDecl(Kind DK, DeclContext *DC, SourceLocation StartLoc,
@@ -1835,14 +1834,14 @@ public:
     assert(i < getNumParams() && "Illegal param #");
     return ParamInfo[i];
   }
-  void setParams(llvm::ArrayRef<ParmVarDecl *> NewParamInfo) {
+  void setParams(ArrayRef<ParmVarDecl *> NewParamInfo) {
     setParams(getASTContext(), NewParamInfo);
   }
 
-  const llvm::ArrayRef<NamedDecl*> &getDeclsInPrototypeScope() const {
+  const ArrayRef<NamedDecl *> &getDeclsInPrototypeScope() const {
     return DeclsInPrototypeScope;
   }
-  void setDeclsInPrototypeScope(llvm::ArrayRef<NamedDecl *> NewDecls);
+  void setDeclsInPrototypeScope(ArrayRef<NamedDecl *> NewDecls);
 
   /// getMinRequiredArguments - Returns the minimum number of arguments
   /// needed to call this function. This may be fewer than the number of
@@ -3182,7 +3181,7 @@ public:
     assert(i < getNumParams() && "Illegal param #");
     return ParamInfo[i];
   }
-  void setParams(llvm::ArrayRef<ParmVarDecl *> NewParamInfo);
+  void setParams(ArrayRef<ParmVarDecl *> NewParamInfo);
 
   /// hasCaptures - True if this block (or its nested blocks) captures
   /// anything of local storage from its enclosing scopes.
@@ -3323,7 +3322,7 @@ void Redeclarable<decl_type>::setPreviousDeclaration(decl_type *PrevDecl) {
     First = PrevDecl->getFirstDeclaration();
     assert(First->RedeclLink.NextIsLatest() && "Expected first");
     decl_type *MostRecent = First->RedeclLink.getNext();
-    RedeclLink = PreviousDeclLink(llvm::cast<decl_type>(MostRecent));
+    RedeclLink = PreviousDeclLink(cast<decl_type>(MostRecent));
   } else {
     // Make this first.
     First = static_cast<decl_type*>(this);
diff --git a/include/clang/AST/DeclBase.h b/include/clang/AST/DeclBase.h
index 115edf6d92..bf588d77d6 100644
--- a/include/clang/AST/DeclBase.h
+++ b/include/clang/AST/DeclBase.h
@@ -904,7 +904,7 @@ public:
 
 typedef llvm::MutableArrayRef<NamedDecl*> DeclContextLookupResult;
 
-typedef llvm::ArrayRef<NamedDecl*> DeclContextLookupConstResult;
+typedef ArrayRef<NamedDecl *> DeclContextLookupConstResult;
 
 /// DeclContext - This is used only as base class of specific decl types that
 /// can act as declaration contexts. These decls are (only the top classes
@@ -1151,7 +1151,7 @@ public:
   /// contexts that are semanticaly connected to this declaration context,
   /// in source order, including this context (which may be the only result,
   /// for non-namespace contexts).
-  void collectAllContexts(llvm::SmallVectorImpl<DeclContext *> &Contexts);
+  void collectAllContexts(SmallVectorImpl<DeclContext *> &Contexts);
 
   /// decl_iterator - Iterates through the declarations stored
   /// within this context.
@@ -1414,7 +1414,7 @@ public:
   /// usual relationship between a DeclContext and the external source.
   /// See the ASTImporter for the (few, but important) use cases.
   void localUncachedLookup(DeclarationName Name,
-                           llvm::SmallVectorImpl<NamedDecl *> &Results);
+                           SmallVectorImpl<NamedDecl *> &Results);
 
   /// @brief Makes a declaration visible within this context.
   ///
diff --git a/include/clang/AST/DeclTemplate.h b/include/clang/AST/DeclTemplate.h
index 8620116662..2db4910ccd 100644
--- a/include/clang/AST/DeclTemplate.h
+++ b/include/clang/AST/DeclTemplate.h
@@ -1205,7 +1205,7 @@ public:
                                           unsigned P,
                                           IdentifierInfo *Id,
                                           TemplateParameterList *Params,
-                             llvm::ArrayRef<TemplateParameterList*> Expansions);
+                                 ArrayRef<TemplateParameterList *> Expansions);
 
   static TemplateTemplateParmDecl *CreateDeserialized(ASTContext &C,
                                                       unsigned ID);
diff --git a/include/clang/AST/Expr.h b/include/clang/AST/Expr.h
index 44c6cb0570..10bb353101 100644
--- a/include/clang/AST/Expr.h
+++ b/include/clang/AST/Expr.h
@@ -490,7 +490,7 @@ public:
   /// constexpr. Return false if the function can never produce a constant
   /// expression, along with diagnostics describing why not.
   static bool isPotentialConstantExpr(const FunctionDecl *FD,
-                                      llvm::SmallVectorImpl<
+                                      SmallVectorImpl<
                                         PartialDiagnosticAt> &Diags);
 
   /// isConstantInitializer - Returns true if this expression can be emitted to
@@ -510,7 +510,7 @@ public:
     /// foldable. If the expression is foldable, but not a constant expression,
     /// the notes will describes why it isn't a constant expression. If the
     /// expression *is* a constant expression, no notes will be produced.
-    llvm::SmallVectorImpl<PartialDiagnosticAt> *Diag;
+    SmallVectorImpl<PartialDiagnosticAt> *Diag;
 
     EvalStatus() : HasSideEffects(false), Diag(0) {}
 
@@ -569,7 +569,7 @@ public:
   /// integer. This must be called on an expression that constant folds to an
   /// integer.
   llvm::APSInt EvaluateKnownConstInt(const ASTContext &Ctx,
-                  llvm::SmallVectorImpl<PartialDiagnosticAt> *Diag=0) const;
+                          SmallVectorImpl<PartialDiagnosticAt> *Diag=0) const;
 
   /// EvaluateAsLValue - Evaluate an expression to see if we can fold it to an
   /// lvalue with link time known address, with no side-effects.
@@ -581,7 +581,7 @@ public:
   /// notes will be produced if the expression is not a constant expression.
   bool EvaluateAsInitializer(APValue &Result, const ASTContext &Ctx,
                              const VarDecl *VD,
-                       llvm::SmallVectorImpl<PartialDiagnosticAt> &Notes) const;
+                             SmallVectorImpl<PartialDiagnosticAt> &Notes) const;
 
   /// \brief Enumeration used to describe the kind of Null pointer constant
   /// returned from \c isNullPointerConstant().
@@ -729,7 +729,7 @@ public:
     return const_cast<Expr*>(this)->IgnoreParenNoopCasts(Ctx);
   }
 
-  static bool hasAnyTypeDependentArguments(llvm::ArrayRef<Expr *> Exprs);
+  static bool hasAnyTypeDependentArguments(ArrayRef<Expr *> Exprs);
 
   /// \brief For an expression of class type or pointer to class type,
   /// return the most derived class decl the expression is known to refer to.
diff --git a/include/clang/AST/ExprCXX.h b/include/clang/AST/ExprCXX.h
index d6d61e27db..b896680d30 100644
--- a/include/clang/AST/ExprCXX.h
+++ b/include/clang/AST/ExprCXX.h
@@ -3631,7 +3631,7 @@ public:
   static FunctionParmPackExpr *Create(ASTContext &Context, QualType T,
                                       ParmVarDecl *ParamPack,
                                       SourceLocation NameLoc,
-                                      llvm::ArrayRef<Decl*> Params);
+                                      ArrayRef<Decl *> Params);
   static FunctionParmPackExpr *CreateEmpty(ASTContext &Context,
                                            unsigned NumParams);
 
diff --git a/include/clang/AST/ExprObjC.h b/include/clang/AST/ExprObjC.h
index 2037faf096..798b0423cb 100644
--- a/include/clang/AST/ExprObjC.h
+++ b/include/clang/AST/ExprObjC.h
@@ -135,7 +135,7 @@ class ObjCArrayLiteral : public Expr {
   SourceRange Range;
   ObjCMethodDecl *ArrayWithObjectsMethod;
   
-  ObjCArrayLiteral(llvm::ArrayRef<Expr *> Elements,
+  ObjCArrayLiteral(ArrayRef<Expr *> Elements,
                    QualType T, ObjCMethodDecl * Method,
                    SourceRange SR);
   
@@ -144,7 +144,7 @@ class ObjCArrayLiteral : public Expr {
 
 public:
   static ObjCArrayLiteral *Create(ASTContext &C, 
-                                  llvm::ArrayRef<Expr *> Elements,
+                                  ArrayRef<Expr *> Elements,
                                   QualType T, ObjCMethodDecl * Method,
                                   SourceRange SR);
 
diff --git a/include/clang/AST/LambdaMangleContext.h b/include/clang/AST/LambdaMangleContext.h
index d686365335..bbaee26494 100644
--- a/include/clang/AST/LambdaMangleContext.h
+++ b/include/clang/AST/LambdaMangleContext.h
@@ -14,6 +14,7 @@
 #ifndef LLVM_CLANG_LAMBDAMANGLECONTEXT_H
 #define LLVM_CLANG_LAMBDAMANGLECONTEXT_H
 
+#include "clang/Basic/LLVM.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/IntrusiveRefCntPtr.h"
 
@@ -24,7 +25,7 @@ class FunctionProtoType;
 
 /// \brief Keeps track of the mangled names of lambda expressions within a
 /// particular context.
-class LambdaMangleContext : public llvm::RefCountedBase<LambdaMangleContext> {
+class LambdaMangleContext : public RefCountedBase<LambdaMangleContext> {
   llvm::DenseMap<const FunctionProtoType *, unsigned> ManglingNumbers;
   
 public:
diff --git a/include/clang/AST/Stmt.h b/include/clang/AST/Stmt.h
index e475c3859c..e1073627bc 100644
--- a/include/clang/AST/Stmt.h
+++ b/include/clang/AST/Stmt.h
@@ -1773,7 +1773,7 @@ public:
   }
 
   CompoundStmt *getBlock() const {
-    return llvm::cast<CompoundStmt>(Children[BLOCK]);
+    return cast<CompoundStmt>(Children[BLOCK]);
   }
 
   child_range children() {
@@ -1808,7 +1808,7 @@ public:
   SourceLocation getFinallyLoc() const { return Loc; }
   SourceLocation getEndLoc() const { return Block->getLocEnd(); }
 
-  CompoundStmt *getBlock() const { return llvm::cast<CompoundStmt>(Block); }
+  CompoundStmt *getBlock() const { return cast<CompoundStmt>(Block); }
 
   child_range children() {
     return child_range(&Block,&Block+1);
@@ -1852,7 +1852,7 @@ public:
   bool getIsCXXTry() const { return IsCXXTry; }
 
   CompoundStmt* getTryBlock() const {
-    return llvm::cast<CompoundStmt>(Children[TRY]);
+    return cast<CompoundStmt>(Children[TRY]);
   }
 
   Stmt *getHandler() const { return Children[HANDLER]; }
diff --git a/include/clang/AST/StmtCXX.h b/include/clang/AST/StmtCXX.h
index 34b45625dc..0112befb29 100644
--- a/include/clang/AST/StmtCXX.h
+++ b/include/clang/AST/StmtCXX.h
@@ -94,18 +94,18 @@ public:
   }
 
   CompoundStmt *getTryBlock() {
-    return llvm::cast<CompoundStmt>(getStmts()[0]);
+    return cast<CompoundStmt>(getStmts()[0]);
   }
   const CompoundStmt *getTryBlock() const {
-    return llvm::cast<CompoundStmt>(getStmts()[0]);
+    return cast<CompoundStmt>(getStmts()[0]);
   }
 
   unsigned getNumHandlers() const { return NumHandlers; }
   CXXCatchStmt *getHandler(unsigned i) {
-    return llvm::cast<CXXCatchStmt>(getStmts()[i + 1]);
+    return cast<CXXCatchStmt>(getStmts()[i + 1]);
   }
   const CXXCatchStmt *getHandler(unsigned i) const {
-    return llvm::cast<CXXCatchStmt>(getStmts()[i + 1]);
+    return cast<CXXCatchStmt>(getStmts()[i + 1]);
   }
 
   static bool classof(const Stmt *T) {
diff --git a/include/clang/ASTMatchers/ASTMatchers.h b/include/clang/ASTMatchers/ASTMatchers.h
index f9b072f503..ffffe52c2c 100644
--- a/include/clang/ASTMatchers/ASTMatchers.h
+++ b/include/clang/ASTMatchers/ASTMatchers.h
@@ -1228,8 +1228,8 @@ inline internal::Matcher<Stmt> sizeOfExpr(
 AST_MATCHER_P(NamedDecl, hasName, std::string, Name) {
   assert(!Name.empty());
   const std::string FullNameString = "::" + Node.getQualifiedNameAsString();
-  const llvm::StringRef FullName = FullNameString;
-  const llvm::StringRef Pattern = Name;
+  const StringRef FullName = FullNameString;
+  const StringRef Pattern = Name;
   if (Pattern.startswith("::")) {
     return FullName == Pattern;
   } else {
@@ -1705,8 +1705,7 @@ AST_MATCHER_P(DeclRefExpr, to, internal::Matcher<Decl>,
 AST_MATCHER_P(DeclRefExpr, throughUsingDecl,
               internal::Matcher<UsingShadowDecl>, InnerMatcher) {
   const NamedDecl *FoundDecl = Node.getFoundDecl();
-  if (const UsingShadowDecl *UsingDecl =
-      llvm::dyn_cast<UsingShadowDecl>(FoundDecl))
+  if (const UsingShadowDecl *UsingDecl = dyn_cast<UsingShadowDecl>(FoundDecl))
     return InnerMatcher.matches(*UsingDecl, Finder, Builder);
   return false;
 }
diff --git a/include/clang/ASTMatchers/ASTMatchersInternal.h b/include/clang/ASTMatchers/ASTMatchersInternal.h
index d77cccd82f..ac0e30e750 100644
--- a/include/clang/ASTMatchers/ASTMatchersInternal.h
+++ b/include/clang/ASTMatchers/ASTMatchersInternal.h
@@ -193,7 +193,7 @@ class ASTMatchFinder;
 /// current node and doesn't care about its children or descendants,
 /// implement SingleNodeMatcherInterface instead.
 template <typename T>
-class MatcherInterface : public llvm::RefCountedBaseVPTR {
+class MatcherInterface : public RefCountedBaseVPTR {
 public:
   virtual ~MatcherInterface() {}
 
@@ -343,7 +343,7 @@ private:
     const Matcher<Base> From;
   };
 
-  llvm::IntrusiveRefCntPtr< MatcherInterface<T> > Implementation;
+  IntrusiveRefCntPtr< MatcherInterface<T> > Implementation;
 };  // class Matcher
 
 /// \brief A convenient helper for creating a Matcher<T> without specifying
@@ -676,7 +676,7 @@ public:
   virtual bool matches(const T &Node,
                        ASTMatchFinder *Finder,
                        BoundNodesTreeBuilder *Builder) const {
-    const To *InnerMatchValue = llvm::dyn_cast<To>(&Node);
+    const To *InnerMatchValue = dyn_cast<To>(&Node);
     return InnerMatchValue != NULL &&
       InnerMatcher.matches(*InnerMatchValue, Finder, Builder);
   }
diff --git a/include/clang/Analysis/Analyses/ThreadSafety.h b/include/clang/Analysis/Analyses/ThreadSafety.h
index f7f12d4820..1ca434ea0b 100644
--- a/include/clang/Analysis/Analyses/ThreadSafety.h
+++ b/include/clang/Analysis/Analyses/ThreadSafety.h
@@ -67,7 +67,7 @@ enum LockErrorKind {
 /// Handler class for thread safety warnings.
 class ThreadSafetyHandler {
 public:
-  typedef llvm::StringRef Name;
+  typedef StringRef Name;
   ThreadSafetyHandler() : IssueBetaWarnings(false) { }
   virtual ~ThreadSafetyHandler();
 
diff --git a/include/clang/Analysis/Analyses/UninitializedValues.h b/include/clang/Analysis/Analyses/UninitializedValues.h
index 663628b765..e8810c32a1 100644
--- a/include/clang/Analysis/Analyses/UninitializedValues.h
+++ b/include/clang/Analysis/Analyses/UninitializedValues.h
@@ -43,7 +43,7 @@ private:
 
   /// This use is always uninitialized if it occurs after any of these branches
   /// is taken.
-  llvm::SmallVector<Branch, 2> UninitBranches;
+  SmallVector<Branch, 2> UninitBranches;
 
 public:
   UninitUse(const Expr *User, bool AlwaysUninit) :
@@ -72,7 +72,7 @@ public:
            !branch_empty() ? Sometimes : Maybe;
   }
 
-  typedef llvm::SmallVectorImpl<Branch>::const_iterator branch_iterator;
+  typedef SmallVectorImpl<Branch>::const_iterator branch_iterator;
   /// Branches which inevitably result in the variable being used uninitialized.
   branch_iterator branch_begin() const { return UninitBranches.begin(); }
   branch_iterator branch_end() const { return UninitBranches.end(); }
diff --git a/include/clang/Analysis/CallGraph.h b/include/clang/Analysis/CallGraph.h
index 998076d1e1..5015eb6149 100644
--- a/include/clang/Analysis/CallGraph.h
+++ b/include/clang/Analysis/CallGraph.h
@@ -139,13 +139,13 @@ private:
   Decl *FD;
 
   /// \brief The list of functions called from this node.
-  llvm::SmallVector<CallRecord, 5> CalledFunctions;
+  SmallVector<CallRecord, 5> CalledFunctions;
 
 public:
   CallGraphNode(Decl *D) : FD(D) {}
 
-  typedef llvm::SmallVector<CallRecord, 5>::iterator iterator;
-  typedef llvm::SmallVector<CallRecord, 5>::const_iterator const_iterator;
+  typedef SmallVector<CallRecord, 5>::iterator iterator;
+  typedef SmallVector<CallRecord, 5>::const_iterator const_iterator;
 
   /// Iterators through all the callees/children of the node.
   inline iterator begin() { return CalledFunctions.begin(); }
diff --git a/include/clang/Analysis/ProgramPoint.h b/include/clang/Analysis/ProgramPoint.h
index 2a2b7044e4..322f0cb523 100644
--- a/include/clang/Analysis/ProgramPoint.h
+++ b/include/clang/Analysis/ProgramPoint.h
@@ -218,7 +218,7 @@ public:
   const Stmt *getStmt() const { return (const Stmt*) getData1(); }
 
   template <typename T>
-  const T* getStmtAs() const { return llvm::dyn_cast<T>(getStmt()); }
+  const T* getStmtAs() const { return dyn_cast<T>(getStmt()); }
 
   static bool classof(const ProgramPoint* Location) {
     unsigned k = Location->getKind();
diff --git a/include/clang/Basic/DiagnosticIDs.h b/include/clang/Basic/DiagnosticIDs.h
index 5cbfa7a2fa..c030254bf8 100644
--- a/include/clang/Basic/DiagnosticIDs.h
+++ b/include/clang/Basic/DiagnosticIDs.h
@@ -19,10 +19,6 @@
 #include "llvm/ADT/IntrusiveRefCntPtr.h"
 #include "llvm/ADT/StringRef.h"
 
-namespace llvm {
-  template<typename T, unsigned> class SmallVector;
-}
-
 namespace clang {
   class DiagnosticsEngine;
   class SourceLocation;
@@ -231,10 +227,10 @@ public:
   /// \param Diags [out] - On return, the diagnostics in the group.
   /// \returns True if the given group is unknown, false otherwise.
   bool getDiagnosticsInGroup(StringRef Group,
-                             llvm::SmallVectorImpl<diag::kind> &Diags) const;
+                             SmallVectorImpl<diag::kind> &Diags) const;
 
   /// \brief Get the set of all diagnostic IDs.
-  void getAllDiagnostics(llvm::SmallVectorImpl<diag::kind> &Diags) const;
+  void getAllDiagnostics(SmallVectorImpl<diag::kind> &Diags) const;
 
   /// \brief Get the warning option with the closest edit distance to the given
   /// group name.
@@ -245,7 +241,7 @@ private:
   ///
   /// \param Diags [out] - On return, the diagnostics in the group.
   void getDiagnosticsInGroup(const WarningOption *Group,
-                             llvm::SmallVectorImpl<diag::kind> &Diags) const;
+                             SmallVectorImpl<diag::kind> &Diags) const;
  
   /// \brief Based on the way the client configured the DiagnosticsEngine
   /// object, classify the specified diagnostic ID into a Level, consumable by
diff --git a/include/clang/Basic/DiagnosticOptions.h b/include/clang/Basic/DiagnosticOptions.h
index 2113047495..2b80e9b9ea 100644
--- a/include/clang/Basic/DiagnosticOptions.h
+++ b/include/clang/Basic/DiagnosticOptions.h
@@ -10,6 +10,7 @@
 #ifndef LLVM_CLANG_BASIC_DIAGNOSTICOPTIONS_H
 #define LLVM_CLANG_BASIC_DIAGNOSTICOPTIONS_H
 
+#include "clang/Basic/LLVM.h"
 #include "llvm/ADT/IntrusiveRefCntPtr.h"
 #include <string>
 #include <vector>
@@ -25,7 +26,7 @@ enum OverloadsShown {
 
 /// DiagnosticOptions - Options for controlling the compiler diagnostics
 /// engine.
-class DiagnosticOptions : public llvm::RefCountedBase<DiagnosticOptions>{
+class DiagnosticOptions : public RefCountedBase<DiagnosticOptions>{
 public:
   enum TextDiagnosticFormat { Clang, Msvc, Vi };
 
diff --git a/include/clang/Basic/Module.h b/include/clang/Basic/Module.h
index d0ef8e426c..b638068e74 100644
--- a/include/clang/Basic/Module.h
+++ b/include/clang/Basic/Module.h
@@ -38,8 +38,7 @@ class LangOptions;
 class TargetInfo;
   
 /// \brief Describes the name of a module.
-typedef llvm::SmallVector<std::pair<std::string, SourceLocation>, 2>
-  ModuleId;
+typedef SmallVector<std::pair<std::string, SourceLocation>, 2> ModuleId;
   
 /// \brief Describes a module or submodule.
 class Module {
@@ -71,10 +70,10 @@ private:
   
 public:
   /// \brief The headers that are part of this module.
-  llvm::SmallVector<const FileEntry *, 2> Headers;
+  SmallVector<const FileEntry *, 2> Headers;
 
   /// \brief The headers that are explicitly excluded from this module.
-  llvm::SmallVector<const FileEntry *, 2> ExcludedHeaders;
+  SmallVector<const FileEntry *, 2> ExcludedHeaders;
 
   /// \brief The top-level headers associated with this module.
   llvm::SmallSetVector<const FileEntry *, 2> TopHeaders;
@@ -84,7 +83,7 @@ public:
   /// If any of these features is not present, the \c IsAvailable bit
   /// will be false to indicate that this (sub)module is not
   /// available.
-  llvm::SmallVector<std::string, 2> Requires;
+  SmallVector<std::string, 2> Requires;
 
   /// \brief Whether this module is available in the current
   /// translation unit.
@@ -137,7 +136,7 @@ public:
 
   /// \brief The set of modules imported by this module, and on which this
   /// module depends.
-  llvm::SmallVector<Module *, 2> Imports;
+  SmallVector<Module *, 2> Imports;
   
   /// \brief Describes an exported module.
   ///
@@ -146,7 +145,7 @@ public:
   typedef llvm::PointerIntPair<Module *, 1, bool> ExportDecl;
   
   /// \brief The set of export declarations.
-  llvm::SmallVector<ExportDecl, 2> Exports;
+  SmallVector<ExportDecl, 2> Exports;
   
   /// \brief Describes an exported module that has not yet been resolved
   /// (perhaps because the module it refers to has not yet been loaded).
@@ -164,7 +163,7 @@ public:
   };
   
   /// \brief The set of export declarations that have yet to be resolved.
-  llvm::SmallVector<UnresolvedExportDecl, 2> UnresolvedExports;
+  SmallVector<UnresolvedExportDecl, 2> UnresolvedExports;
   
   /// \brief Construct a top-level module.
   explicit Module(StringRef Name, SourceLocation DefinitionLoc,
@@ -299,7 +298,7 @@ public:
 
   /// \brief Print the module map for this module to the given stream. 
   ///
-  void print(llvm::raw_ostream &OS, unsigned Indent = 0) const;
+  void print(raw_ostream &OS, unsigned Indent = 0) const;
   
   /// \brief Dump the contents of this module to the given output stream.
   void dump() const;
diff --git a/include/clang/Basic/PartialDiagnostic.h b/include/clang/Basic/PartialDiagnostic.h
index 0ac42961d3..3f68160f69 100644
--- a/include/clang/Basic/PartialDiagnostic.h
+++ b/include/clang/Basic/PartialDiagnostic.h
@@ -321,7 +321,7 @@ public:
   }
 
   void EmitToString(DiagnosticsEngine &Diags,
-                    llvm::SmallVectorImpl<char> &Buf) const {
+                    SmallVectorImpl<char> &Buf) const {
     // FIXME: It should be possible to render a diagnostic to a string without
     //        messing with the state of the diagnostics engine.
     DiagnosticBuilder DB(Diags.Report(getDiagID()));
diff --git a/include/clang/Basic/SourceManager.h b/include/clang/Basic/SourceManager.h
index 6aa5347231..ec8f533dc1 100644
--- a/include/clang/Basic/SourceManager.h
+++ b/include/clang/Basic/SourceManager.h
@@ -522,7 +522,7 @@ public:
 /// \brief The stack used when building modules on demand, which is used
 /// to provide a link between the source managers of the different compiler
 /// instances.
-typedef llvm::ArrayRef<std::pair<std::string, FullSourceLoc> > ModuleBuildStack;
+typedef ArrayRef<std::pair<std::string, FullSourceLoc> > ModuleBuildStack;
 
 /// \brief This class handles loading and caching of source files into memory.
 ///
diff --git a/include/clang/Basic/TargetInfo.h b/include/clang/Basic/TargetInfo.h
index 328ffd9601..463c2ea691 100644
--- a/include/clang/Basic/TargetInfo.h
+++ b/include/clang/Basic/TargetInfo.h
@@ -62,7 +62,7 @@ enum TargetCXXABI {
 /// \brief Exposes information about the current target.
 ///
 class TargetInfo : public RefCountedBase<TargetInfo> {
-  llvm::IntrusiveRefCntPtr<TargetOptions> TargetOpts;
+  IntrusiveRefCntPtr<TargetOptions> TargetOpts;
   llvm::Triple Triple;
 protected:
   // Target values set by the ctor of the actual target implementation.  Default
diff --git a/include/clang/Driver/Driver.h b/include/clang/Driver/Driver.h
index 8b4e5e1bd6..ae858d34bb 100644
--- a/include/clang/Driver/Driver.h
+++ b/include/clang/Driver/Driver.h
@@ -11,6 +11,7 @@
 #define CLANG_DRIVER_DRIVER_H_
 
 #include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/LLVM.h"
 #include "clang/Driver/Phases.h"
 #include "clang/Driver/Types.h"
 #include "clang/Driver/Util.h"
@@ -23,9 +24,6 @@
 #include <set>
 #include <string>
 
-namespace llvm {
-  template<typename T> class ArrayRef;
-}
 namespace clang {
 namespace driver {
   class Action;
diff --git a/include/clang/Frontend/LayoutOverrideSource.h b/include/clang/Frontend/LayoutOverrideSource.h
index 225efe690b..ec34e14765 100644
--- a/include/clang/Frontend/LayoutOverrideSource.h
+++ b/include/clang/Frontend/LayoutOverrideSource.h
@@ -11,6 +11,7 @@
 #define LLVM_CLANG_FRONTEND_LAYOUTOVERRIDESOURCE_H
 
 #include "clang/AST/ExternalASTSource.h"
+#include "clang/Basic/LLVM.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
 
@@ -31,7 +32,7 @@ namespace clang {
       uint64_t Align;
       
       /// \brief The offsets of the fields, in source order.
-      llvm::SmallVector<uint64_t, 8> FieldOffsets;
+      SmallVector<uint64_t, 8> FieldOffsets;
     };
     
     /// \brief The set of layouts that will be overridden.
@@ -42,7 +43,7 @@ namespace clang {
     /// set of record types.
     ///
     /// The file is the result of passing -fdump-record-layouts to a file.
-    explicit LayoutOverrideSource(llvm::StringRef Filename);
+    explicit LayoutOverrideSource(StringRef Filename);
     
     /// \brief If this particular record type has an overridden layout,
     /// return that layout.
diff --git a/include/clang/Frontend/LogDiagnosticPrinter.h b/include/clang/Frontend/LogDiagnosticPrinter.h
index ac24fec173..0c700a7671 100644
--- a/include/clang/Frontend/LogDiagnosticPrinter.h
+++ b/include/clang/Frontend/LogDiagnosticPrinter.h
@@ -42,7 +42,7 @@ class LogDiagnosticPrinter : public DiagnosticConsumer {
   
   raw_ostream &OS;
   const LangOptions *LangOpts;
-  llvm::IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts;
+  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts;
 
   SourceLocation LastWarningLoc;
   FullSourceLoc LastLoc;
diff --git a/include/clang/Frontend/SerializedDiagnosticPrinter.h b/include/clang/Frontend/SerializedDiagnosticPrinter.h
index ab70afd21f..117771d157 100644
--- a/include/clang/Frontend/SerializedDiagnosticPrinter.h
+++ b/include/clang/Frontend/SerializedDiagnosticPrinter.h
@@ -10,6 +10,7 @@
 #ifndef LLVM_CLANG_FRONTEND_SERIALIZE_DIAGNOSTIC_PRINTER_H_
 #define LLVM_CLANG_FRONTEND_SERIALIZE_DIAGNOSTIC_PRINTER_H_
 
+#include "clang/Basic/LLVM.h"
 #include "llvm/Bitcode/BitstreamWriter.h"
 
 namespace llvm {
@@ -53,7 +54,7 @@ enum RecordIDs {
 /// This allows wrapper tools for Clang to get diagnostics from Clang
 /// (via libclang) without needing to parse Clang's command line output.
 ///
-DiagnosticConsumer *create(llvm::raw_ostream *OS,
+DiagnosticConsumer *create(raw_ostream *OS,
                            DiagnosticOptions *diags);
 
 } // end serialized_diags namespace
diff --git a/include/clang/Frontend/TextDiagnosticPrinter.h b/include/clang/Frontend/TextDiagnosticPrinter.h
index 831e501918..470438e7bd 100644
--- a/include/clang/Frontend/TextDiagnosticPrinter.h
+++ b/include/clang/Frontend/TextDiagnosticPrinter.h
@@ -27,7 +27,7 @@ class TextDiagnostic;
 
 class TextDiagnosticPrinter : public DiagnosticConsumer {
   raw_ostream &OS;
-  llvm::IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts;
+  IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts;
 
   /// \brief Handle to the currently active text diagnostic emitter.
   OwningPtr<TextDiagnostic> TextDiag;
diff --git a/include/clang/Lex/HeaderSearch.h b/include/clang/Lex/HeaderSearch.h
index fe2dcef623..36e179c84b 100644
--- a/include/clang/Lex/HeaderSearch.h
+++ b/include/clang/Lex/HeaderSearch.h
@@ -134,7 +134,7 @@ class HeaderSearch {
   };
 
   /// \brief Header-search options used to initialize this header search.
-  llvm::IntrusiveRefCntPtr<HeaderSearchOptions> HSOpts;
+  IntrusiveRefCntPtr<HeaderSearchOptions> HSOpts;
 
   FileManager &FileMgr;
   /// \#include search path information.  Requests for \#include "x" search the
@@ -217,7 +217,7 @@ class HeaderSearch {
   friend class DirectoryLookup;
   
 public:
-  HeaderSearch(llvm::IntrusiveRefCntPtr<HeaderSearchOptions> HSOpts,
+  HeaderSearch(IntrusiveRefCntPtr<HeaderSearchOptions> HSOpts,
                FileManager &FM, DiagnosticsEngine &Diags,
                const LangOptions &LangOpts, const TargetInfo *Target);
   ~HeaderSearch();
@@ -480,7 +480,7 @@ public:
   /// \brief Collect the set of all known, top-level modules.
   ///
   /// \param Modules Will be filled with the set of known, top-level modules.
-  void collectAllModules(llvm::SmallVectorImpl<Module *> &Modules);
+  void collectAllModules(SmallVectorImpl<Module *> &Modules);
                          
 private:
   /// \brief Retrieve a module with the given name, which may be part of the
diff --git a/include/clang/Lex/HeaderSearchOptions.h b/include/clang/Lex/HeaderSearchOptions.h
index eaa2623583..1d7534e88d 100644
--- a/include/clang/Lex/HeaderSearchOptions.h
+++ b/include/clang/Lex/HeaderSearchOptions.h
@@ -38,7 +38,7 @@ namespace frontend {
 
 /// HeaderSearchOptions - Helper class for storing options related to the
 /// initialization of the HeaderSearch object.
-class HeaderSearchOptions : public llvm::RefCountedBase<HeaderSearchOptions> {
+class HeaderSearchOptions : public RefCountedBase<HeaderSearchOptions> {
 public:
   struct Entry {
     std::string Path;
diff --git a/include/clang/Lex/ModuleLoader.h b/include/clang/Lex/ModuleLoader.h
index f086c082f9..933cfd36e5 100644
--- a/include/clang/Lex/ModuleLoader.h
+++ b/include/clang/Lex/ModuleLoader.h
@@ -26,8 +26,7 @@ class Module;
 
 /// \brief A sequence of identifier/location pairs used to describe a particular
 /// module or submodule, e.g., std.vector.
-typedef llvm::ArrayRef<std::pair<IdentifierInfo*, SourceLocation> > 
-  ModuleIdPath;
+typedef ArrayRef<std::pair<IdentifierInfo *, SourceLocation> > ModuleIdPath;
 
 /// \brief Describes the result of attempting to load a module.
 class ModuleLoadResult {
diff --git a/include/clang/Lex/ModuleMap.h b/include/clang/Lex/ModuleMap.h
index 96a53849cf..388c7b3d20 100644
--- a/include/clang/Lex/ModuleMap.h
+++ b/include/clang/Lex/ModuleMap.h
@@ -104,7 +104,7 @@ class ModuleMap {
 
     /// \brief The names of modules that cannot be inferred within this
     /// directory.
-    llvm::SmallVector<std::string, 2> ExcludedModules;
+    SmallVector<std::string, 2> ExcludedModules;
   };
 
   /// \brief A mapping from directories to information about inferring
diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h
index 9d7db5d709..8457cc5ad6 100644
--- a/include/clang/Lex/Preprocessor.h
+++ b/include/clang/Lex/Preprocessor.h
@@ -84,7 +84,7 @@ public:
 /// like the \#include stack, token expansion, etc.
 ///
 class Preprocessor : public RefCountedBase<Preprocessor> {
-  llvm::IntrusiveRefCntPtr<PreprocessorOptions> PPOpts;
+  IntrusiveRefCntPtr<PreprocessorOptions> PPOpts;
   DiagnosticsEngine        *Diags;
   LangOptions       &LangOpts;
   const TargetInfo  *Target;
@@ -215,8 +215,7 @@ class Preprocessor : public RefCountedBase<Preprocessor> {
   SourceLocation ModuleImportLoc;
 
   /// \brief The module import path that we're currently processing.
-  llvm::SmallVector<std::pair<IdentifierInfo *, SourceLocation>, 2> 
-    ModuleImportPath;
+  SmallVector<std::pair<IdentifierInfo *, SourceLocation>, 2> ModuleImportPath;
   
   /// \brief Whether the module import expectes an identifier next. Otherwise,
   /// it expects a '.' or ';'.
@@ -396,7 +395,7 @@ private:  // Cached tokens state.
   MacroInfoChain *MICache;
 
 public:
-  Preprocessor(llvm::IntrusiveRefCntPtr<PreprocessorOptions> PPOpts,
+  Preprocessor(IntrusiveRefCntPtr<PreprocessorOptions> PPOpts,
                DiagnosticsEngine &diags, LangOptions &opts,
                const TargetInfo *target,
                SourceManager &SM, HeaderSearch &Headers,
diff --git a/include/clang/Lex/PreprocessorOptions.h b/include/clang/Lex/PreprocessorOptions.h
index 93208c040e..7c79e6228a 100644
--- a/include/clang/Lex/PreprocessorOptions.h
+++ b/include/clang/Lex/PreprocessorOptions.h
@@ -41,7 +41,7 @@ enum ObjCXXARCStandardLibraryKind {
   
 /// PreprocessorOptions - This class is used for passing the various options
 /// used in preprocessor initialization to InitializePreprocessor().
-class PreprocessorOptions : public llvm::RefCountedBase<PreprocessorOptions> {
+class PreprocessorOptions : public RefCountedBase<PreprocessorOptions> {
 public:
   std::vector<std::pair<std::string, bool/*isUndef*/> > Macros;
   std::vector<std::string> Includes;
@@ -118,7 +118,7 @@ public:
   ObjCXXARCStandardLibraryKind ObjCXXARCStandardLibrary;
     
   /// \brief Records the set of modules
-  class FailedModulesSet : public llvm::RefCountedBase<FailedModulesSet> {
+  class FailedModulesSet : public RefCountedBase<FailedModulesSet> {
     llvm::StringSet<> Failed;
 
   public:
@@ -137,7 +137,7 @@ public:
   /// to (re)build modules, so that once a module fails to build anywhere,
   /// other instances will see that the module has failed and won't try to
   /// build it again.
-  llvm::IntrusiveRefCntPtr<FailedModulesSet> FailedModules;
+  IntrusiveRefCntPtr<FailedModulesSet> FailedModules;
 
   typedef std::vector<std::pair<std::string, std::string> >::iterator
     remapped_file_iterator;
diff --git a/include/clang/Parse/Parser.h b/include/clang/Parse/Parser.h
index c4b1bdcefa..e5511a17fa 100644
--- a/include/clang/Parse/Parser.h
+++ b/include/clang/Parse/Parser.h
@@ -804,7 +804,7 @@ private:
   };
 
   // A list of late-parsed attributes.  Used by ParseGNUAttributes.
-  class LateParsedAttrList: public llvm::SmallVector<LateParsedAttribute*, 2> {
+  class LateParsedAttrList: public SmallVector<LateParsedAttribute *, 2> {
   public:
     LateParsedAttrList(bool PSoon = false) : ParseSoon(PSoon) { }
 
@@ -1245,7 +1245,7 @@ private:
                            SmallVectorImpl<SourceLocation> &CommaLocs,
                            void (Sema::*Completer)(Scope *S,
                                                    Expr *Data,
-                                             llvm::ArrayRef<Expr *> Args) = 0,
+                                                   ArrayRef<Expr *> Args) = 0,
                            Expr *Data = 0);
 
   /// ParenParseOption - Control what ParseParenExpression will parse.
@@ -1911,7 +1911,7 @@ private:
                                   ParsedAttributes &attrs,
                                   SourceLocation *endLoc);
 
-  bool IsThreadSafetyAttribute(llvm::StringRef AttrName);
+  bool IsThreadSafetyAttribute(StringRef AttrName);
   void ParseThreadSafetyAttribute(IdentifierInfo &AttrName,
                                   SourceLocation AttrNameLoc,
                                   ParsedAttributes &Attrs,
diff --git a/include/clang/Sema/DeclSpec.h b/include/clang/Sema/DeclSpec.h
index f3f32e3d48..d2b4a7ce30 100644
--- a/include/clang/Sema/DeclSpec.h
+++ b/include/clang/Sema/DeclSpec.h
@@ -2010,7 +2010,7 @@ struct LambdaIntroducer {
   SourceRange Range;
   SourceLocation DefaultLoc;
   LambdaCaptureDefault Default;
-  llvm::SmallVector<LambdaCapture, 4> Captures;
+  SmallVector<LambdaCapture, 4> Captures;
 
   LambdaIntroducer()
     : Default(LCD_None) {}
diff --git a/include/clang/Sema/DelayedDiagnostic.h b/include/clang/Sema/DelayedDiagnostic.h
index a20480c7e4..77cacfbdeb 100644
--- a/include/clang/Sema/DelayedDiagnostic.h
+++ b/include/clang/Sema/DelayedDiagnostic.h
@@ -224,14 +224,14 @@ private:
 /// delayed.
 class DelayedDiagnosticPool {
   const DelayedDiagnosticPool *Parent;
-  llvm::SmallVector<DelayedDiagnostic, 4> Diagnostics;
+  SmallVector<DelayedDiagnostic, 4> Diagnostics;
 
   DelayedDiagnosticPool(const DelayedDiagnosticPool &) LLVM_DELETED_FUNCTION;
   void operator=(const DelayedDiagnosticPool &) LLVM_DELETED_FUNCTION;
 public:
   DelayedDiagnosticPool(const DelayedDiagnosticPool *parent) : Parent(parent) {}
   ~DelayedDiagnosticPool() {
-    for (llvm::SmallVectorImpl<DelayedDiagnostic>::iterator
+    for (SmallVectorImpl<DelayedDiagnostic>::iterator
            i = Diagnostics.begin(), e = Diagnostics.end(); i != e; ++i)
       i->Destroy();
   }
@@ -260,8 +260,7 @@ public:
     pool.Diagnostics.clear();
   }
 
-  typedef llvm::SmallVectorImpl<DelayedDiagnostic>::const_iterator
-    pool_iterator;
+  typedef SmallVectorImpl<DelayedDiagnostic>::const_iterator pool_iterator;
   pool_iterator pool_begin() const { return Diagnostics.begin(); }
   pool_iterator pool_end() const { return Diagnostics.end(); }
   bool pool_empty() const { return Diagnostics.empty(); }
diff --git a/include/clang/Sema/MultiplexExternalSemaSource.h b/include/clang/Sema/MultiplexExternalSemaSource.h
index 052af98732..25db3e7a21 100644
--- a/include/clang/Sema/MultiplexExternalSemaSource.h
+++ b/include/clang/Sema/MultiplexExternalSemaSource.h
@@ -39,7 +39,7 @@ namespace clang {
 class MultiplexExternalSemaSource : public ExternalSemaSource {
 
 private:
-  llvm::SmallVector<ExternalSemaSource*, 2> Sources; // doesn't own them.
+  SmallVector<ExternalSemaSource *, 2> Sources; // doesn't own them.
 
 public:
   
diff --git a/include/clang/Sema/Overload.h b/include/clang/Sema/Overload.h
index 65ed781f74..305b067548 100644
--- a/include/clang/Sema/Overload.h
+++ b/include/clang/Sema/Overload.h
@@ -809,7 +809,7 @@ namespace clang {
 
     void NoteCandidates(Sema &S,
                         OverloadCandidateDisplayKind OCD,
-                        llvm::ArrayRef<Expr *> Args,
+                        ArrayRef<Expr *> Args,
                         StringRef Opc = "",
                         SourceLocation Loc = SourceLocation());
   };
diff --git a/include/clang/Sema/ScopeInfo.h b/include/clang/Sema/ScopeInfo.h
index feda9c96b8..990bb53c09 100644
--- a/include/clang/Sema/ScopeInfo.h
+++ b/include/clang/Sema/ScopeInfo.h
@@ -511,11 +511,11 @@ public:
   bool ContainsUnexpandedParameterPack;
 
   /// \brief Variables used to index into by-copy array captures.
-  llvm::SmallVector<VarDecl *, 4> ArrayIndexVars;
+  SmallVector<VarDecl *, 4> ArrayIndexVars;
 
   /// \brief Offsets into the ArrayIndexVars array at which each capture starts
   /// its list of array index variables.
-  llvm::SmallVector<unsigned, 4> ArrayIndexStarts;
+  SmallVector<unsigned, 4> ArrayIndexStarts;
   
   LambdaScopeInfo(DiagnosticsEngine &Diag, CXXRecordDecl *Lambda,
                   CXXMethodDecl *CallOperator)
diff --git a/include/clang/Sema/Sema.h b/include/clang/Sema/Sema.h
index 1f56acee64..da1e50fbba 100644
--- a/include/clang/Sema/Sema.h
+++ b/include/clang/Sema/Sema.h
@@ -540,7 +540,7 @@ public:
   RecordDecl *MSVCGuidDecl;
 
   /// \brief Caches identifiers/selectors for NSFoundation APIs.
-  llvm::OwningPtr<NSAPI> NSAPIObj;
+  OwningPtr<NSAPI> NSAPIObj;
 
   /// \brief The declaration of the Objective-C NSNumber class.
   ObjCInterfaceDecl *NSNumberDecl;
@@ -630,7 +630,7 @@ public:
 
     /// \brief The lambdas that are present within this context, if it
     /// is indeed an unevaluated context.
-    llvm::SmallVector<LambdaExpr *, 2> Lambdas;
+    SmallVector<LambdaExpr *, 2> Lambdas;
 
     /// \brief The declaration that provides context for the lambda expression
     /// if the normal declaration context does not suffice, e.g., in a
@@ -646,11 +646,11 @@ public:
 
     /// \brief If we are processing a decltype type, a set of call expressions
     /// for which we have deferred checking the completeness of the return type.
-    llvm::SmallVector<CallExpr*, 8> DelayedDecltypeCalls;
+    SmallVector<CallExpr *, 8> DelayedDecltypeCalls;
 
     /// \brief If we are processing a decltype type, a set of temporary binding
     /// expressions for which we have deferred checking the destructor.
-    llvm::SmallVector<CXXBindTemporaryExpr*, 8> DelayedDecltypeBinds;
+    SmallVector<CXXBindTemporaryExpr *, 8> DelayedDecltypeBinds;
 
     ExpressionEvaluationContextRecord(ExpressionEvaluationContext Context,
                                       unsigned NumCleanupObjects,
@@ -1554,7 +1554,7 @@ public:
 
   // This is used for both record definitions and ObjC interface declarations.
   void ActOnFields(Scope* S, SourceLocation RecLoc, Decl *TagDecl,
-                   llvm::ArrayRef<Decl *> Fields,
+                   ArrayRef<Decl *> Fields,
                    SourceLocation LBrac, SourceLocation RBrac,
                    AttributeList *AttrList);
 
@@ -1899,13 +1899,13 @@ public:
 
   void AddOverloadCandidate(FunctionDecl *Function,
                             DeclAccessPair FoundDecl,
-                            llvm::ArrayRef<Expr *> Args,
+                            ArrayRef<Expr *> Args,
                             OverloadCandidateSet& CandidateSet,
                             bool SuppressUserConversions = false,
                             bool PartialOverloading = false,
                             bool AllowExplicit = false);
   void AddFunctionCandidates(const UnresolvedSetImpl &Functions,
-                             llvm::ArrayRef<Expr *> Args,
+                             ArrayRef<Expr *> Args,
                              OverloadCandidateSet& CandidateSet,
                              bool SuppressUserConversions = false,
                             TemplateArgumentListInfo *ExplicitTemplateArgs = 0);
@@ -1919,7 +1919,7 @@ public:
                           DeclAccessPair FoundDecl,
                           CXXRecordDecl *ActingContext, QualType ObjectType,
                           Expr::Classification ObjectClassification,
-                          llvm::ArrayRef<Expr *> Args,
+                          ArrayRef<Expr *> Args,
                           OverloadCandidateSet& CandidateSet,
                           bool SuppressUserConversions = false);
   void AddMethodTemplateCandidate(FunctionTemplateDecl *MethodTmpl,
@@ -1928,13 +1928,13 @@ public:
                                  TemplateArgumentListInfo *ExplicitTemplateArgs,
                                   QualType ObjectType,
                                   Expr::Classification ObjectClassification,
-                                  llvm::ArrayRef<Expr *> Args,
+                                  ArrayRef<Expr *> Args,
                                   OverloadCandidateSet& CandidateSet,
                                   bool SuppressUserConversions = false);
   void AddTemplateOverloadCandidate(FunctionTemplateDecl *FunctionTemplate,
                                     DeclAccessPair FoundDecl,
                                  TemplateArgumentListInfo *ExplicitTemplateArgs,
-                                    llvm::ArrayRef<Expr *> Args,
+                                    ArrayRef<Expr *> Args,
                                     OverloadCandidateSet& CandidateSet,
                                     bool SuppressUserConversions = false);
   void AddConversionCandidate(CXXConversionDecl *Conversion,
@@ -1951,7 +1951,7 @@ public:
                              DeclAccessPair FoundDecl,
                              CXXRecordDecl *ActingContext,
                              const FunctionProtoType *Proto,
-                             Expr *Object, llvm::ArrayRef<Expr*> Args,
+                             Expr *Object, ArrayRef<Expr *> Args,
                              OverloadCandidateSet& CandidateSet);
   void AddMemberOperatorCandidates(OverloadedOperatorKind Op,
                                    SourceLocation OpLoc,
@@ -1969,7 +1969,7 @@ public:
                                     OverloadCandidateSet& CandidateSet);
   void AddArgumentDependentLookupCandidates(DeclarationName Name,
                                             bool Operator, SourceLocation Loc,
-                                            llvm::ArrayRef<Expr *> Args,
+                                            ArrayRef<Expr *> Args,
                                 TemplateArgumentListInfo *ExplicitTemplateArgs,
                                             OverloadCandidateSet& CandidateSet,
                                             bool PartialOverloading = false);
@@ -2017,7 +2017,7 @@ public:
                                             FunctionDecl *Fn);
 
   void AddOverloadedCallCandidates(UnresolvedLookupExpr *ULE,
-                                   llvm::ArrayRef<Expr *> Args,
+                                   ArrayRef<Expr *> Args,
                                    OverloadCandidateSet &CandidateSet,
                                    bool PartialOverloading = false);
 
@@ -2264,7 +2264,7 @@ public:
 
   void ArgumentDependentLookup(DeclarationName Name, bool Operator,
                                SourceLocation Loc,
-                               llvm::ArrayRef<Expr *> Args,
+                               ArrayRef<Expr *> Args,
                                ADLResult &Functions);
 
   void LookupVisibleDecls(Scope *S, LookupNameKind Kind,
@@ -2283,7 +2283,7 @@ public:
                              const ObjCObjectPointerType *OPT = 0);
 
   void FindAssociatedClassesAndNamespaces(SourceLocation InstantiationLoc,
-                                          llvm::ArrayRef<Expr *> Args,
+                                          ArrayRef<Expr *> Args,
                                    AssociatedNamespaceSet &AssociatedNamespaces,
                                    AssociatedClassSet &AssociatedClasses);
 
@@ -2920,7 +2920,7 @@ public:
   bool DiagnoseEmptyLookup(Scope *S, CXXScopeSpec &SS, LookupResult &R,
                            CorrectionCandidateCallback &CCC,
                            TemplateArgumentListInfo *ExplicitTemplateArgs = 0,
-                       llvm::ArrayRef<Expr *> Args = llvm::ArrayRef<Expr *>());
+                           ArrayRef<Expr *> Args = ArrayRef<Expr *>());
 
   ExprResult LookupInObjCMethod(LookupResult &LookUp, Scope *S,
                                 IdentifierInfo *II,
@@ -3525,7 +3525,7 @@ public:
                                    ArrayRef<ParsedType> DynamicExceptions,
                                    ArrayRef<SourceRange> DynamicExceptionRanges,
                                    Expr *NoexceptExpr,
-                                   llvm::SmallVectorImpl<QualType> &Exceptions,
+                                   SmallVectorImpl<QualType> &Exceptions,
                                    FunctionProtoType::ExtProtoInfo &EPI);
 
   /// \brief Determine if a special member function should have a deleted
@@ -4141,7 +4141,7 @@ public:
                                        SourceRange IntroducerRange,
                                        TypeSourceInfo *MethodType,
                                        SourceLocation EndLoc,
-                                       llvm::ArrayRef<ParmVarDecl *> Params);
+                                       ArrayRef<ParmVarDecl *> Params);
 
   /// \brief Introduce the scope for a lambda expression.
   sema::LambdaScopeInfo *enterLambdaScope(CXXMethodDecl *CallOperator,
@@ -5344,7 +5344,7 @@ public:
   /// must be set.
   bool CheckParameterPacksForExpansion(SourceLocation EllipsisLoc,
                                        SourceRange PatternRange,
-                             llvm::ArrayRef<UnexpandedParameterPack> Unexpanded,
+                             ArrayRef<UnexpandedParameterPack> Unexpanded,
                              const MultiLevelTemplateArgumentList &TemplateArgs,
                                        bool &ShouldExpand,
                                        bool &RetainExpansion,
@@ -5469,7 +5469,7 @@ public:
   TemplateDeductionResult
   DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate,
                           TemplateArgumentListInfo *ExplicitTemplateArgs,
-                          llvm::ArrayRef<Expr *> Args,
+                          ArrayRef<Expr *> Args,
                           FunctionDecl *&Specialization,
                           sema::TemplateDeductionInfo &Info);
 
@@ -7086,7 +7086,7 @@ public:
   void CodeCompleteTag(Scope *S, unsigned TagSpec);
   void CodeCompleteTypeQualifiers(DeclSpec &DS);
   void CodeCompleteCase(Scope *S);
-  void CodeCompleteCall(Scope *S, Expr *Fn, llvm::ArrayRef<Expr *> Args);
+  void CodeCompleteCall(Scope *S, Expr *Fn, ArrayRef<Expr *> Args);
   void CodeCompleteInitializer(Scope *S, Decl *D);
   void CodeCompleteReturn(Scope *S);
   void CodeCompleteAfterIf(Scope *S);
diff --git a/include/clang/Sema/TypoCorrection.h b/include/clang/Sema/TypoCorrection.h
index 45f08fe0e2..0b897b55cc 100644
--- a/include/clang/Sema/TypoCorrection.h
+++ b/include/clang/Sema/TypoCorrection.h
@@ -182,12 +182,12 @@ public:
     return CorrectionRange;
   }
 
-  typedef llvm::SmallVector<NamedDecl*, 1>::iterator decl_iterator;
+  typedef SmallVector<NamedDecl *, 1>::iterator decl_iterator;
   decl_iterator begin() {
     return isKeyword() ? CorrectionDecls.end() : CorrectionDecls.begin();
   }
   decl_iterator end() { return CorrectionDecls.end(); }
-  typedef llvm::SmallVector<NamedDecl*, 1>::const_iterator const_decl_iterator;
+  typedef SmallVector<NamedDecl *, 1>::const_iterator const_decl_iterator;
   const_decl_iterator begin() const {
     return isKeyword() ? CorrectionDecls.end() : CorrectionDecls.begin();
   }
@@ -201,7 +201,7 @@ private:
   // Results.
   DeclarationName CorrectionName;
   NestedNameSpecifier *CorrectionNameSpec;
-  llvm::SmallVector<NamedDecl*, 1> CorrectionDecls;
+  SmallVector<NamedDecl *, 1> CorrectionDecls;
   unsigned CharDistance;
   unsigned QualifierDistance;
   unsigned CallbackDistance;
diff --git a/include/clang/Serialization/ASTReader.h b/include/clang/Serialization/ASTReader.h
index 61d77b0a75..07ccab4706 100644
--- a/include/clang/Serialization/ASTReader.h
+++ b/include/clang/Serialization/ASTReader.h
@@ -388,7 +388,7 @@ private:
 
   typedef llvm::MapVector<Decl *, uint64_t,
                           llvm::SmallDenseMap<Decl *, unsigned, 4>,
-                          llvm::SmallVector<std::pair<Decl *, uint64_t>, 4> >
+                          SmallVector<std::pair<Decl *, uint64_t>, 4> >
     PendingBodiesMap;
 
   /// \brief Functions or methods that have bodies that will be attached.
@@ -433,7 +433,7 @@ private:
   GlobalMacroMapType GlobalMacroMap;
 
   typedef llvm::DenseMap<serialization::MacroID,
-            llvm::SmallVector<std::pair<serialization::SubmoduleID,
+            SmallVector<std::pair<serialization::SubmoduleID,
                                         MacroUpdate>, 1> >
     MacroUpdatesMap;
 
@@ -503,8 +503,7 @@ private:
 };
 
   /// \brief A set of hidden declarations.
-  typedef llvm::SmallVector<HiddenName, 2>
-    HiddenNames;
+  typedef SmallVector<HiddenName, 2> HiddenNames;
   
   typedef llvm::DenseMap<Module *, HiddenNames> HiddenNamesMapType;
 
@@ -533,8 +532,7 @@ private:
   
   /// \brief The set of module imports and exports that still need to be 
   /// resolved.
-  llvm::SmallVector<UnresolvedModuleImportExport, 2> 
-    UnresolvedModuleImportExports;
+  SmallVector<UnresolvedModuleImportExport, 2> UnresolvedModuleImportExports;
   
   /// \brief A vector containing selectors that have already been loaded.
   ///
@@ -556,7 +554,7 @@ private:
   llvm::DenseMap<Selector, unsigned> SelectorGeneration;
 
   typedef llvm::MapVector<IdentifierInfo *,
-                          llvm::SmallVector<serialization::MacroID, 2> >
+                          SmallVector<serialization::MacroID, 2> >
     PendingMacroIDsMap;
 
   /// \brief Mapping from identifiers that have a macro history to the global
@@ -798,7 +796,7 @@ private:
   /// Each element is the global declaration ID of the first declaration in
   /// the chain. Elements in this vector should be unique; use 
   /// PendingDeclChainsKnown to ensure uniqueness.
-  llvm::SmallVector<serialization::DeclID, 16> PendingDeclChains;
+  SmallVector<serialization::DeclID, 16> PendingDeclChains;
 
   /// \brief Keeps track of the elements added to PendingDeclChains.
   llvm::SmallSet<serialization::DeclID, 16> PendingDeclChainsKnown;
@@ -810,9 +808,9 @@ private:
   /// \brief The set of Objective-C class definitions that have already been
   /// loaded, for which we will need to check for categories whenever a new
   /// module is loaded.
-  llvm::SmallVector<ObjCInterfaceDecl *, 16> ObjCClassesLoaded;
+  SmallVector<ObjCInterfaceDecl *, 16> ObjCClassesLoaded;
   
-  typedef llvm::DenseMap<Decl *, llvm::SmallVector<serialization::DeclID, 2> >
+  typedef llvm::DenseMap<Decl *, SmallVector<serialization::DeclID, 2> >
     MergedDeclsMap;
     
   /// \brief A mapping from canonical declarations to the set of additional
@@ -821,7 +819,7 @@ private:
   MergedDeclsMap MergedDecls;
   
   typedef llvm::DenseMap<serialization::GlobalDeclID, 
-                         llvm::SmallVector<serialization::DeclID, 2> >
+                         SmallVector<serialization::DeclID, 2> >
     StoredMergedDeclsMap;
   
   /// \brief A mapping from canonical declaration IDs to the set of additional
@@ -909,10 +907,10 @@ private:
 
   ASTReadResult ReadASTCore(StringRef FileName, ModuleKind Type,
                             SourceLocation ImportLoc, ModuleFile *ImportedBy,
-                            llvm::SmallVectorImpl<ImportedModule> &Loaded,
+                            SmallVectorImpl<ImportedModule> &Loaded,
                             unsigned ClientLoadCapabilities);
   ASTReadResult ReadControlBlock(ModuleFile &F,
-                                 llvm::SmallVectorImpl<ImportedModule> &Loaded,
+                                 SmallVectorImpl<ImportedModule> &Loaded,
                                  unsigned ClientLoadCapabilities);
   bool ReadASTBlock(ModuleFile &F);
   bool ParseLineTable(ModuleFile &F, SmallVectorImpl<uint64_t> &Record);
diff --git a/include/clang/Serialization/ASTWriter.h b/include/clang/Serialization/ASTWriter.h
index 8bc83d13ee..d632ba5c6e 100644
--- a/include/clang/Serialization/ASTWriter.h
+++ b/include/clang/Serialization/ASTWriter.h
@@ -344,7 +344,7 @@ private:
                  
   /// \brief The set of declarations that may have redeclaration chains that
   /// need to be serialized.
-  llvm::SetVector<Decl *, llvm::SmallVector<Decl *, 4>, 
+  llvm::SetVector<Decl *, SmallVector<Decl *, 4>,
                   llvm::SmallPtrSet<Decl *, 4> > Redeclarations;
                                       
   /// \brief Statements that we've encountered while serializing a
@@ -729,7 +729,7 @@ class PCHGenerator : public SemaConsumer {
   std::string isysroot;
   raw_ostream *Out;
   Sema *SemaPtr;
-  llvm::SmallVector<char, 128> Buffer;
+  SmallVector<char, 128> Buffer;
   llvm::BitstreamWriter Stream;
   ASTWriter Writer;
 
diff --git a/include/clang/Serialization/ModuleManager.h b/include/clang/Serialization/ModuleManager.h
index 81e879ef6f..512d7e9b66 100644
--- a/include/clang/Serialization/ModuleManager.h
+++ b/include/clang/Serialization/ModuleManager.h
@@ -27,7 +27,7 @@ namespace serialization {
 class ModuleManager {
   /// \brief The chain of AST files. The first entry is the one named by the
   /// user, the last one is the one that doesn't depend on anything further.
-  llvm::SmallVector<ModuleFile*, 2> Chain;
+  SmallVector<ModuleFile *, 2> Chain;
   
   /// \brief All loaded modules, indexed by name.
   llvm::DenseMap<const FileEntry *, ModuleFile *> Modules;
diff --git a/include/clang/StaticAnalyzer/Core/AnalyzerOptions.h b/include/clang/StaticAnalyzer/Core/AnalyzerOptions.h
index 5ae8262abe..24f33bcda1 100644
--- a/include/clang/StaticAnalyzer/Core/AnalyzerOptions.h
+++ b/include/clang/StaticAnalyzer/Core/AnalyzerOptions.h
@@ -103,7 +103,7 @@ enum CXXInlineableMemberKind {
 };
 
 
-class AnalyzerOptions : public llvm::RefCountedBase<AnalyzerOptions> {
+class AnalyzerOptions : public RefCountedBase<AnalyzerOptions> {
 public:
   typedef llvm::StringMap<std::string> ConfigTable;
 
@@ -207,7 +207,7 @@ private:
                         bool DefaultVal);
   
   /// Interprets an option's string value as an integer value.
-  int getOptionAsInteger(llvm::StringRef Name, int DefaultVal);
+  int getOptionAsInteger(StringRef Name, int DefaultVal);
 
 public:
   /// Returns the option controlling which C++ member functions will be
@@ -309,7 +309,7 @@ public:
   }
 };
   
-typedef llvm::IntrusiveRefCntPtr<AnalyzerOptions> AnalyzerOptionsRef;
+typedef IntrusiveRefCntPtr<AnalyzerOptions> AnalyzerOptionsRef;
   
 }
 
diff --git a/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h b/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h
index deb2ef6dcc..7a87e47f74 100644
--- a/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h
+++ b/include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h
@@ -89,14 +89,14 @@ protected:
   /// diagnostics to include when constructing the final path diagnostic.
   /// The stack is largely used by BugReporter when generating PathDiagnostics
   /// for multiple PathDiagnosticConsumers.
-  llvm::SmallVector<Symbols *, 2> interestingSymbols;
+  SmallVector<Symbols *, 2> interestingSymbols;
 
   /// A (stack of) set of regions that are registered with this report as being
   /// "interesting", and thus used to help decide which diagnostics
   /// to include when constructing the final path diagnostic.
   /// The stack is largely used by BugReporter when generating PathDiagnostics
   /// for multiple PathDiagnosticConsumers.
-  llvm::SmallVector<Regions *, 2> interestingRegions;
+  SmallVector<Regions *, 2> interestingRegions;
 
   /// A set of location contexts that correspoind to call sites which should be
   /// considered "interesting".
diff --git a/include/clang/StaticAnalyzer/Core/BugReporter/BugReporterVisitor.h b/include/clang/StaticAnalyzer/Core/BugReporter/BugReporterVisitor.h
index 78e35ca82b..dcd078f5b3 100644
--- a/include/clang/StaticAnalyzer/Core/BugReporter/BugReporterVisitor.h
+++ b/include/clang/StaticAnalyzer/Core/BugReporter/BugReporterVisitor.h
@@ -223,7 +223,7 @@ public:
                                               const ExplodedNode *N);
 
   bool patternMatch(const Expr *Ex,
-                    llvm::raw_ostream &Out,
+                    raw_ostream &Out,
                     BugReporterContext &BRC,
                     BugReport &R,
                     const ExplodedNode *N,
diff --git a/include/clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h b/include/clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h
index 01d7f48275..253ac8862e 100644
--- a/include/clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h
+++ b/include/clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h
@@ -341,7 +341,7 @@ protected:
 public:
   virtual ~PathDiagnosticPiece();
 
-  llvm::StringRef getString() const { return str; }
+  StringRef getString() const { return str; }
 
   /// Tag this PathDiagnosticPiece with the given C-string.
   void setTag(const char *tag) { Tag = tag; }
@@ -467,7 +467,7 @@ class PathDiagnosticEventPiece : public PathDiagnosticSpotPiece {
   /// supply a message that will be used to construct an extra hint on the
   /// returns from all the calls on the stack from this event to the final
   /// diagnostic.
-  llvm::OwningPtr<StackHintGenerator> CallStackHint;
+  OwningPtr<StackHintGenerator> CallStackHint;
 
 public:
   PathDiagnosticEventPiece(const PathDiagnosticLocation &pos,
@@ -670,7 +670,7 @@ class PathDiagnostic : public llvm::FoldingSetNode {
   std::deque<std::string> OtherDesc;
   PathDiagnosticLocation Loc;
   PathPieces pathImpl;
-  llvm::SmallVector<PathPieces *, 3> pathStack;
+  SmallVector<PathPieces *, 3> pathStack;
   
   /// \brief Important bug uniqueing location.
   /// The location info is useful to differentiate between bugs.
diff --git a/include/clang/StaticAnalyzer/Core/Checker.h b/include/clang/StaticAnalyzer/Core/Checker.h
index 710bbc0d99..a190e1f5ef 100644
--- a/include/clang/StaticAnalyzer/Core/Checker.h
+++ b/include/clang/StaticAnalyzer/Core/Checker.h
@@ -34,11 +34,11 @@ class ASTDecl {
   template <typename CHECKER>
   static void _checkDecl(void *checker, const Decl *D, AnalysisManager& mgr,
                          BugReporter &BR) {
-    ((const CHECKER *)checker)->checkASTDecl(llvm::cast<DECL>(D), mgr, BR);
+    ((const CHECKER *)checker)->checkASTDecl(cast<DECL>(D), mgr, BR);
   }
 
   static bool _handlesDecl(const Decl *D) {
-    return llvm::isa<DECL>(D);
+    return isa<DECL>(D);
   }
 public:
   template <typename CHECKER>
@@ -86,11 +86,11 @@ template <typename STMT>
 class PreStmt {
   template <typename CHECKER>
   static void _checkStmt(void *checker, const Stmt *S, CheckerContext &C) {
-    ((const CHECKER *)checker)->checkPreStmt(llvm::cast<STMT>(S), C);
+    ((const CHECKER *)checker)->checkPreStmt(cast<STMT>(S), C);
   }
 
   static bool _handlesStmt(const Stmt *S) {
-    return llvm::isa<STMT>(S);
+    return isa<STMT>(S);
   }
 public:
   template <typename CHECKER>
@@ -105,11 +105,11 @@ template <typename STMT>
 class PostStmt {
   template <typename CHECKER>
   static void _checkStmt(void *checker, const Stmt *S, CheckerContext &C) {
-    ((const CHECKER *)checker)->checkPostStmt(llvm::cast<STMT>(S), C);
+    ((const CHECKER *)checker)->checkPostStmt(cast<STMT>(S), C);
   }
 
   static bool _handlesStmt(const Stmt *S) {
-    return llvm::isa<STMT>(S);
+    return isa<STMT>(S);
   }
 public:
   template <typename CHECKER>
diff --git a/include/clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h b/include/clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h
index 5153bcd87c..3afe5e77b9 100644
--- a/include/clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h
+++ b/include/clang/StaticAnalyzer/Core/PathSensitive/ConstraintManager.h
@@ -122,7 +122,7 @@ public:
   /// Convenience method to query the state to see if a symbol is null or
   /// not null, or if neither assumption can be made.
   ConditionTruthVal isNull(ProgramStateRef State, SymbolRef Sym) {
-    llvm::SaveAndRestore<bool> DisableNotify(NotifyAssumeClients, false);
+    SaveAndRestore<bool> DisableNotify(NotifyAssumeClients, false);
 
     return checkNull(State, Sym);
   }
diff --git a/include/clang/StaticAnalyzer/Core/PathSensitive/CoreEngine.h b/include/clang/StaticAnalyzer/Core/PathSensitive/CoreEngine.h
index f31e1cbfb9..d8a7245730 100644
--- a/include/clang/StaticAnalyzer/Core/PathSensitive/CoreEngine.h
+++ b/include/clang/StaticAnalyzer/Core/PathSensitive/CoreEngine.h
@@ -463,7 +463,7 @@ public:
     bool operator!=(const iterator &X) const { return I != X.I; }
 
     const LabelDecl *getLabel() const {
-      return llvm::cast<LabelStmt>((*I)->getLabel())->getDecl();
+      return cast<LabelStmt>((*I)->getLabel())->getDecl();
     }
 
     const CFGBlock *getBlock() const {
@@ -510,7 +510,7 @@ public:
     bool operator==(const iterator &X) const { return I == X.I; }
 
     const CaseStmt *getCase() const {
-      return llvm::cast<CaseStmt>((*I)->getLabel());
+      return cast<CaseStmt>((*I)->getLabel());
     }
 
     const CFGBlock *getBlock() const {
@@ -522,7 +522,7 @@ public:
   iterator end() { return iterator(Src->succ_rend()); }
 
   const SwitchStmt *getSwitch() const {
-    return llvm::cast<SwitchStmt>(Src->getTerminator());
+    return cast<SwitchStmt>(Src->getTerminator());
   }
 
   ExplodedNode *generateCaseStmtNode(const iterator &I,
diff --git a/include/clang/StaticAnalyzer/Core/PathSensitive/SVals.h b/include/clang/StaticAnalyzer/Core/PathSensitive/SVals.h
index 0d5a0cffaa..48f0ab962f 100644
--- a/include/clang/StaticAnalyzer/Core/PathSensitive/SVals.h
+++ b/include/clang/StaticAnalyzer/Core/PathSensitive/SVals.h
@@ -432,7 +432,7 @@ public:
 
   template <typename REGION>
   const REGION* getRegionAs() const {
-    return llvm::dyn_cast<REGION>(getRegion());
+    return dyn_cast<REGION>(getRegion());
   }
 
   inline bool operator==(const MemRegionVal& R) const {
diff --git a/include/clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h b/include/clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h
index 950525f826..56afca24f6 100644
--- a/include/clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h
+++ b/include/clang/StaticAnalyzer/Core/PathSensitive/SymbolManager.h
@@ -96,7 +96,7 @@ public:
 };
 
 typedef const SymExpr* SymbolRef;
-typedef llvm::SmallVector<SymbolRef, 2> SymbolRefSmallVectorTy;
+typedef SmallVector<SymbolRef, 2> SymbolRefSmallVectorTy;
 
 typedef unsigned SymbolID;
 /// \brief A symbol representing data which can be stored in a memory location
diff --git a/include/clang/Tooling/CommonOptionsParser.h b/include/clang/Tooling/CommonOptionsParser.h
index d313773d3d..6775934139 100644
--- a/include/clang/Tooling/CommonOptionsParser.h
+++ b/include/clang/Tooling/CommonOptionsParser.h
@@ -79,7 +79,7 @@ public:
   static const char *const HelpMessage;
 
 private:
-  llvm::OwningPtr<CompilationDatabase> Compilations;
+  OwningPtr<CompilationDatabase> Compilations;
   std::vector<std::string> SourcePathList;
 };
 
diff --git a/include/clang/Tooling/CompilationDatabase.h b/include/clang/Tooling/CompilationDatabase.h
index fdf07f0700..7a8054ffc3 100644
--- a/include/clang/Tooling/CompilationDatabase.h
+++ b/include/clang/Tooling/CompilationDatabase.h
@@ -152,7 +152,7 @@ public:
   /// The argument list is meant to be compatible with normal llvm command line
   /// parsing in main methods.
   /// int main(int argc, char **argv) {
-  ///   llvm::OwningPtr<FixedCompilationDatabase> Compilations(
+  ///   OwningPtr<FixedCompilationDatabase> Compilations(
   ///     FixedCompilationDatabase::loadFromCommandLine(argc, argv));
   ///   cl::ParseCommandLineOptions(argc, argv);
   ///   ...
diff --git a/include/clang/Tooling/FileMatchTrie.h b/include/clang/Tooling/FileMatchTrie.h
index 6a2b2734f1..e531854cca 100644
--- a/include/clang/Tooling/FileMatchTrie.h
+++ b/include/clang/Tooling/FileMatchTrie.h
@@ -76,7 +76,7 @@ public:
   /// matches, an empty \c StringRef is returned and a corresponding message
   /// written to 'Error'.
   StringRef findEquivalent(StringRef FileName,
-                           llvm::raw_ostream &Error) const;
+                           raw_ostream &Error) const;
 private:
   FileMatchTrieNode *Root;
   OwningPtr<PathComparator> Comparator;
diff --git a/include/clang/Tooling/JSONCompilationDatabase.h b/include/clang/Tooling/JSONCompilationDatabase.h
index 0424d94629..e3f149bebc 100644
--- a/include/clang/Tooling/JSONCompilationDatabase.h
+++ b/include/clang/Tooling/JSONCompilationDatabase.h
@@ -104,7 +104,7 @@ private:
 
   FileMatchTrie MatchTrie;
 
-  llvm::OwningPtr<llvm::MemoryBuffer> Database;
+  OwningPtr<llvm::MemoryBuffer> Database;
   llvm::SourceMgr SM;
   llvm::yaml::Stream YAMLStream;
 };
diff --git a/include/clang/Tooling/Refactoring.h b/include/clang/Tooling/Refactoring.h
index 5f2f8082f2..079ce7420d 100644
--- a/include/clang/Tooling/Refactoring.h
+++ b/include/clang/Tooling/Refactoring.h
@@ -47,22 +47,22 @@ public:
   /// \param FilePath A source file accessible via a SourceManager.
   /// \param Offset The byte offset of the start of the range in the file.
   /// \param Length The length of the range in bytes.
-  Replacement(llvm::StringRef FilePath, unsigned Offset,
-              unsigned Length, llvm::StringRef ReplacementText);
+  Replacement(StringRef FilePath, unsigned Offset,
+              unsigned Length, StringRef ReplacementText);
 
   /// \brief Creates a Replacement of the range [Start, Start+Length) with
   /// ReplacementText.
   Replacement(SourceManager &Sources, SourceLocation Start, unsigned Length,
-              llvm::StringRef ReplacementText);
+              StringRef ReplacementText);
 
   /// \brief Creates a Replacement of the given range with ReplacementText.
   Replacement(SourceManager &Sources, const CharSourceRange &Range,
-              llvm::StringRef ReplacementText);
+              StringRef ReplacementText);
 
   /// \brief Creates a Replacement of the node with ReplacementText.
   template <typename Node>
   Replacement(SourceManager &Sources, const Node &NodeToReplace,
-              llvm::StringRef ReplacementText);
+              StringRef ReplacementText);
 
   /// \brief Returns whether this replacement can be applied to a file.
   ///
@@ -91,9 +91,9 @@ public:
 
  private:
   void setFromSourceLocation(SourceManager &Sources, SourceLocation Start,
-                             unsigned Length, llvm::StringRef ReplacementText);
+                             unsigned Length, StringRef ReplacementText);
   void setFromSourceRange(SourceManager &Sources, const CharSourceRange &Range,
-                          llvm::StringRef ReplacementText);
+                          StringRef ReplacementText);
 
   std::string FilePath;
   unsigned Offset;
@@ -152,7 +152,7 @@ private:
 
 template <typename Node>
 Replacement::Replacement(SourceManager &Sources, const Node &NodeToReplace,
-                         llvm::StringRef ReplacementText) {
+                         StringRef ReplacementText) {
   const CharSourceRange Range =
       CharSourceRange::getTokenRange(NodeToReplace->getSourceRange());
   setFromSourceRange(Sources, Range, ReplacementText);
diff --git a/include/clang/Tooling/Tooling.h b/include/clang/Tooling/Tooling.h
index dae848dddf..6d92442457 100644
--- a/include/clang/Tooling/Tooling.h
+++ b/include/clang/Tooling/Tooling.h
@@ -155,7 +155,7 @@ class ToolInvocation {
                      const clang::driver::ArgStringList &CC1Args);
 
   std::vector<std::string> CommandLine;
-  llvm::OwningPtr<FrontendAction> ToolAction;
+  OwningPtr<FrontendAction> ToolAction;
   FileManager *Files;
   // Maps <file name> -> <file content>.
   llvm::StringMap<StringRef> MappedFileContents;
@@ -212,7 +212,7 @@ class ClangTool {
   // Contains a list of pairs (<file name>, <file content>).
   std::vector< std::pair<StringRef, StringRef> > MappedFileContents;
 
-  llvm::OwningPtr<ArgumentsAdjuster> ArgsAdjuster;
+  OwningPtr<ArgumentsAdjuster> ArgsAdjuster;
 };
 
 template <typename T>
@@ -246,7 +246,7 @@ inline FrontendActionFactory *newFrontendActionFactory(
         : ConsumerFactory(ConsumerFactory), EndCallback(EndCallback) {}
 
       clang::ASTConsumer *CreateASTConsumer(clang::CompilerInstance &,
-                                            llvm::StringRef) {
+                                            StringRef) {
         return ConsumerFactory->newASTConsumer();
       }