now that we have a centralized place to do so, add some using declarations for

some common llvm types: stringref and smallvector.  This cleans up the codebase
quite a bit.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135576 91177308-0d34-0410-b5e6-96231b3b80d8

15 files changed, 92 insertions, 91 deletions

diff --git a/lib/ARCMigrate/Internals.h b/lib/ARCMigrate/Internals.h
index acbb0a56b6..a9ab093f3a 100644
--- a/lib/ARCMigrate/Internals.h
+++ b/lib/ARCMigrate/Internals.h
@@ -57,15 +57,15 @@ public:
   bool commitTransaction();
   void abortTransaction();
 
-  void insert(SourceLocation loc, llvm::StringRef text);
-  void insertAfterToken(SourceLocation loc, llvm::StringRef text);
+  void insert(SourceLocation loc, StringRef text);
+  void insertAfterToken(SourceLocation loc, StringRef text);
   void remove(SourceRange range);
   void removeStmt(Stmt *S);
-  void replace(SourceRange range, llvm::StringRef text);
+  void replace(SourceRange range, StringRef text);
   void replace(SourceRange range, SourceRange replacementRange);
-  void replaceStmt(Stmt *S, llvm::StringRef text);
-  void replaceText(SourceLocation loc, llvm::StringRef text,
-                   llvm::StringRef replacementText);
+  void replaceStmt(Stmt *S, StringRef text);
+  void replaceText(SourceLocation loc, StringRef text,
+                   StringRef replacementText);
   void increaseIndentation(SourceRange range,
                            SourceLocation parentIndent);
 
@@ -92,9 +92,9 @@ public:
     return CapturedDiags.hasDiagnostic(IDs, range);
   }
 
-  void reportError(llvm::StringRef error, SourceLocation loc,
+  void reportError(StringRef error, SourceLocation loc,
                    SourceRange range = SourceRange());
-  void reportNote(llvm::StringRef note, SourceLocation loc,
+  void reportNote(StringRef note, SourceLocation loc,
                   SourceRange range = SourceRange());
 
   bool hasReportedErrors() const { return ReportedErrors; }
@@ -103,7 +103,7 @@ public:
   public:
     virtual ~RewriteReceiver();
 
-    virtual void insert(SourceLocation loc, llvm::StringRef text) = 0;
+    virtual void insert(SourceLocation loc, StringRef text) = 0;
     virtual void remove(CharSourceRange range) = 0;
     virtual void increaseIndentation(CharSourceRange range,
                                      SourceLocation parentIndent) = 0;
@@ -148,7 +148,7 @@ public:
 
 bool isARCDiagnostic(unsigned diagID, Diagnostic &Diag);
 
-static inline llvm::StringRef getARCMTMacroName() {
+static inline StringRef getARCMTMacroName() {
   return "__IMPL_ARCMT_REMOVED_EXPR__";
 }
 
diff --git a/lib/CodeGen/CGCXXABI.h b/lib/CodeGen/CGCXXABI.h
index 29f299a43e..8c0df38ff1 100644
--- a/lib/CodeGen/CGCXXABI.h
+++ b/lib/CodeGen/CGCXXABI.h
@@ -151,7 +151,7 @@ public:
   virtual void BuildConstructorSignature(const CXXConstructorDecl *Ctor,
                                          CXXCtorType T,
                                          CanQualType &ResTy,
-                               llvm::SmallVectorImpl<CanQualType> &ArgTys) = 0;
+                               SmallVectorImpl<CanQualType> &ArgTys) = 0;
 
   /// Build the signature of the given destructor variant by adding
   /// any required parameters.  For convenience, ResTy has been
@@ -160,7 +160,7 @@ public:
   virtual void BuildDestructorSignature(const CXXDestructorDecl *Dtor,
                                         CXXDtorType T,
                                         CanQualType &ResTy,
-                               llvm::SmallVectorImpl<CanQualType> &ArgTys) = 0;
+                               SmallVectorImpl<CanQualType> &ArgTys) = 0;
 
   /// Build the ABI-specific portion of the parameter list for a
   /// function.  This generally involves a 'this' parameter and
diff --git a/lib/CodeGen/CGCall.h b/lib/CodeGen/CGCall.h
index 343b944bf6..24ed366dd8 100644
--- a/lib/CodeGen/CGCall.h
+++ b/lib/CodeGen/CGCall.h
@@ -42,7 +42,7 @@ namespace clang {
   class VarDecl;
 
 namespace CodeGen {
-  typedef llvm::SmallVector<llvm::AttributeWithIndex, 8> AttributeListType;
+  typedef SmallVector<llvm::AttributeWithIndex, 8> AttributeListType;
 
   struct CallArg {
     RValue RV;
@@ -56,7 +56,7 @@ namespace CodeGen {
   /// CallArgList - Type for representing both the value and type of
   /// arguments in a call.
   class CallArgList :
-    public llvm::SmallVector<CallArg, 16> {
+    public SmallVector<CallArg, 16> {
   public:
     struct Writeback {
       /// The original argument.
@@ -90,18 +90,18 @@ namespace CodeGen {
 
     bool hasWritebacks() const { return !Writebacks.empty(); }
 
-    typedef llvm::SmallVectorImpl<Writeback>::const_iterator writeback_iterator;
+    typedef SmallVectorImpl<Writeback>::const_iterator writeback_iterator;
     writeback_iterator writeback_begin() const { return Writebacks.begin(); }
     writeback_iterator writeback_end() const { return Writebacks.end(); }
 
   private:
-    llvm::SmallVector<Writeback, 1> Writebacks;
+    SmallVector<Writeback, 1> Writebacks;
   };
 
   /// FunctionArgList - Type for representing both the decl and type
   /// of parameters to a function. The decl must be either a
   /// ParmVarDecl or ImplicitParamDecl.
-  class FunctionArgList : public llvm::SmallVector<const VarDecl*, 16> {
+  class FunctionArgList : public SmallVector<const VarDecl*, 16> {
   };
 
   /// CGFunctionInfo - Class to encapsulate the information about a
diff --git a/lib/CodeGen/CGCleanup.h b/lib/CodeGen/CGCleanup.h
index c93ec5bb76..9cf04bf79a 100644
--- a/lib/CodeGen/CGCleanup.h
+++ b/lib/CodeGen/CGCleanup.h
@@ -178,7 +178,7 @@ class EHCleanupScope : public EHScope {
     llvm::SmallPtrSet<llvm::BasicBlock*, 4> Branches;
 
     /// Normal branch-afters.
-    llvm::SmallVector<std::pair<llvm::BasicBlock*,llvm::ConstantInt*>, 4>
+    SmallVector<std::pair<llvm::BasicBlock*,llvm::ConstantInt*>, 4>
       BranchAfters;
 
     /// The destinations of EH branch-afters and branch-throughs.
@@ -187,7 +187,7 @@ class EHCleanupScope : public EHScope {
     llvm::SmallPtrSet<llvm::BasicBlock*, 4> EHBranches;
 
     /// EH branch-afters.
-    llvm::SmallVector<std::pair<llvm::BasicBlock*,llvm::ConstantInt*>, 4>
+    SmallVector<std::pair<llvm::BasicBlock*,llvm::ConstantInt*>, 4>
     EHBranchAfters;
   };
   mutable struct ExtInfo *ExtInfo;
diff --git a/lib/CodeGen/CGDebugInfo.h b/lib/CodeGen/CGDebugInfo.h
index f87d0072e3..09e4628f47 100644
--- a/lib/CodeGen/CGDebugInfo.h
+++ b/lib/CodeGen/CGDebugInfo.h
@@ -70,7 +70,7 @@ class CGDebugInfo {
   /// DebugInfoNames - This is a storage for names that are
   /// constructed on demand. For example, C++ destructors, C++ operators etc..
   llvm::BumpPtrAllocator DebugInfoNames;
-  llvm::StringRef CWDName;
+  StringRef CWDName;
 
   llvm::DenseMap<const char *, llvm::WeakVH> DIFileCache;
   llvm::DenseMap<const FunctionDecl *, llvm::WeakVH> SPCache;
@@ -113,17 +113,17 @@ class CGDebugInfo {
   
   void CollectCXXMemberFunctions(const CXXRecordDecl *Decl,
                                  llvm::DIFile F,
-                                 llvm::SmallVectorImpl<llvm::Value *> &E,
+                                 SmallVectorImpl<llvm::Value *> &E,
                                  llvm::DIType T);
 
   void CollectCXXFriends(const CXXRecordDecl *Decl,
                        llvm::DIFile F,
-                       llvm::SmallVectorImpl<llvm::Value *> &EltTys,
+                       SmallVectorImpl<llvm::Value *> &EltTys,
                        llvm::DIType RecordTy);
 
   void CollectCXXBases(const CXXRecordDecl *Decl,
                        llvm::DIFile F,
-                       llvm::SmallVectorImpl<llvm::Value *> &EltTys,
+                       SmallVectorImpl<llvm::Value *> &EltTys,
                        llvm::DIType RecordTy);
   
   llvm::DIArray
@@ -136,18 +136,18 @@ class CGDebugInfo {
   CollectCXXTemplateParams(const ClassTemplateSpecializationDecl *TS,
                            llvm::DIFile F);
 
-  llvm::DIType createFieldType(llvm::StringRef name, QualType type,
+  llvm::DIType createFieldType(StringRef name, QualType type,
                                Expr *bitWidth, SourceLocation loc,
                                AccessSpecifier AS, uint64_t offsetInBits,
                                llvm::DIFile tunit,
                                llvm::DIDescriptor scope);
   void CollectRecordFields(const RecordDecl *Decl, llvm::DIFile F,
-                           llvm::SmallVectorImpl<llvm::Value *> &E,
+                           SmallVectorImpl<llvm::Value *> &E,
                            llvm::DIType RecordTy);
 
   void CollectVTableInfo(const CXXRecordDecl *Decl,
                          llvm::DIFile F,
-                         llvm::SmallVectorImpl<llvm::Value *> &EltTys);
+                         SmallVectorImpl<llvm::Value *> &EltTys);
 
 public:
   CGDebugInfo(CodeGenModule &CGM);
@@ -234,7 +234,7 @@ private:
   llvm::DIDescriptor getContextDescriptor(const Decl *Decl);
 
   /// getCurrentDirname - Return current directory name.
-  llvm::StringRef getCurrentDirname();
+  StringRef getCurrentDirname();
 
   /// CreateCompileUnit - Create new compile unit.
   void CreateCompileUnit();
@@ -255,7 +255,7 @@ private:
 
   /// CreateMemberType - Create new member and increase Offset by FType's size.
   llvm::DIType CreateMemberType(llvm::DIFile Unit, QualType FType,
-                                llvm::StringRef Name, uint64_t *Offset);
+                                StringRef Name, uint64_t *Offset);
 
   /// getFunctionDeclaration - Return debug info descriptor to describe method
   /// declaration for the given method definition.
@@ -264,21 +264,21 @@ private:
   /// getFunctionName - Get function name for the given FunctionDecl. If the
   /// name is constructred on demand (e.g. C++ destructor) then the name
   /// is stored on the side.
-  llvm::StringRef getFunctionName(const FunctionDecl *FD);
+  StringRef getFunctionName(const FunctionDecl *FD);
 
   /// getObjCMethodName - Returns the unmangled name of an Objective-C method.
   /// This is the display name for the debugging info.  
-  llvm::StringRef getObjCMethodName(const ObjCMethodDecl *FD);
+  StringRef getObjCMethodName(const ObjCMethodDecl *FD);
 
   /// getSelectorName - Return selector name. This is used for debugging
   /// info.
-  llvm::StringRef getSelectorName(Selector S);
+  StringRef getSelectorName(Selector S);
 
   /// getClassName - Get class name including template argument list.
-  llvm::StringRef getClassName(RecordDecl *RD);
+  StringRef getClassName(RecordDecl *RD);
 
   /// getVTableName - Get vtable name for the given Class.
-  llvm::StringRef getVTableName(const CXXRecordDecl *Decl);
+  StringRef getVTableName(const CXXRecordDecl *Decl);
 
   /// getLineNumber - Get line number for the location. If location is invalid
   /// then use current location.
diff --git a/lib/CodeGen/CGException.h b/lib/CodeGen/CGException.h
index 5a743b51f6..d0216160d5 100644
--- a/lib/CodeGen/CGException.h
+++ b/lib/CodeGen/CGException.h
@@ -24,15 +24,15 @@ namespace CodeGen {
 
 /// The exceptions personality for a function.  When 
 class EHPersonality {
-  llvm::StringRef PersonalityFn;
+  StringRef PersonalityFn;
 
   // If this is non-null, this personality requires a non-standard
   // function for rethrowing an exception after a catchall cleanup.
   // This function must have prototype void(void*).
-  llvm::StringRef CatchallRethrowFn;
+  StringRef CatchallRethrowFn;
 
-  EHPersonality(llvm::StringRef PersonalityFn,
-                llvm::StringRef CatchallRethrowFn = llvm::StringRef())
+  EHPersonality(StringRef PersonalityFn,
+                StringRef CatchallRethrowFn = StringRef())
     : PersonalityFn(PersonalityFn),
       CatchallRethrowFn(CatchallRethrowFn) {}
 
@@ -46,8 +46,8 @@ public:
   static const EHPersonality GNU_CPlusPlus;
   static const EHPersonality GNU_CPlusPlus_SJLJ;
 
-  llvm::StringRef getPersonalityFnName() const { return PersonalityFn; }
-  llvm::StringRef getCatchallRethrowFnName() const { return CatchallRethrowFn; }
+  StringRef getPersonalityFnName() const { return PersonalityFn; }
+  StringRef getCatchallRethrowFnName() const { return CatchallRethrowFn; }
 };
 
 }
diff --git a/lib/CodeGen/CGVTables.h b/lib/CodeGen/CGVTables.h
index eff6e56c1f..8e88bba26e 100644
--- a/lib/CodeGen/CGVTables.h
+++ b/lib/CodeGen/CGVTables.h
@@ -116,7 +116,7 @@ class CodeGenVTables {
   /// pointers in the vtable for a given record decl.
   llvm::DenseMap<const CXXRecordDecl *, uint64_t> NumVirtualFunctionPointers;
 
-  typedef llvm::SmallVector<ThunkInfo, 1> ThunkInfoVectorTy;
+  typedef SmallVector<ThunkInfo, 1> ThunkInfoVectorTy;
   typedef llvm::DenseMap<const CXXMethodDecl *, ThunkInfoVectorTy> ThunksMapTy;
   
   /// Thunks - Contains all thunks that a given method decl will need.
@@ -143,7 +143,7 @@ class CodeGenVTables {
   /// VTableAddressPointsMapTy - Address points for a single vtable.
   typedef llvm::DenseMap<BaseSubobject, uint64_t> VTableAddressPointsMapTy;
 
-  typedef llvm::SmallVector<std::pair<uint64_t, ThunkInfo>, 1> 
+  typedef SmallVector<std::pair<uint64_t, ThunkInfo>, 1> 
     VTableThunksTy;
   
   typedef llvm::DenseMap<const CXXRecordDecl *, VTableThunksTy>
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 1ce9c7966c..656158d77f 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -353,7 +353,7 @@ private:
   ///     A a;
   ///    foo:
   ///     bar();
-  llvm::SmallVector<BranchFixup, 8> BranchFixups;
+  SmallVector<BranchFixup, 8> BranchFixups;
 
   char *allocate(size_t Size);
 
@@ -681,7 +681,7 @@ public:
 public:
   /// ObjCEHValueStack - Stack of Objective-C exception values, used for
   /// rethrows.
-  llvm::SmallVector<llvm::Value*, 8> ObjCEHValueStack;
+  SmallVector<llvm::Value*, 8> ObjCEHValueStack;
 
   /// A class controlling the emission of a finally block.
   class FinallyInfo {
@@ -872,7 +872,7 @@ public:
   /// The given basic block lies in the current EH scope, but may be a
   /// target of a potentially scope-crossing jump; get a stable handle
   /// to which we can perform this jump later.
-  JumpDest getJumpDestInCurrentScope(llvm::StringRef Name = llvm::StringRef()) {
+  JumpDest getJumpDestInCurrentScope(StringRef Name = StringRef()) {
     return getJumpDestInCurrentScope(createBasicBlock(Name));
   }
 
@@ -1089,7 +1089,7 @@ private:
     JumpDest BreakBlock;
     JumpDest ContinueBlock;
   };
-  llvm::SmallVector<BreakContinue, 8> BreakContinueStack;
+  SmallVector<BreakContinue, 8> BreakContinueStack;
 
   /// SwitchInsn - This is nearest current switch instruction. It is null if if
   /// current context is not in a switch.
@@ -1415,7 +1415,7 @@ public:
   static bool hasAggregateLLVMType(QualType T);
 
   /// createBasicBlock - Create an LLVM basic block.
-  llvm::BasicBlock *createBasicBlock(llvm::StringRef name = "",
+  llvm::BasicBlock *createBasicBlock(StringRef name = "",
                                      llvm::Function *parent = 0,
                                      llvm::BasicBlock *before = 0) {
 #ifdef NDEBUG
@@ -2122,14 +2122,14 @@ public:
 
   llvm::Value *EmitARMBuiltinExpr(unsigned BuiltinID, const CallExpr *E);
   llvm::Value *EmitNeonCall(llvm::Function *F,
-                            llvm::SmallVectorImpl<llvm::Value*> &O,
+                            SmallVectorImpl<llvm::Value*> &O,
                             const char *name,
                             unsigned shift = 0, bool rightshift = false);
   llvm::Value *EmitNeonSplat(llvm::Value *V, llvm::Constant *Idx);
   llvm::Value *EmitNeonShiftVector(llvm::Value *V, llvm::Type *Ty,
                                    bool negateForRightShift);
 
-  llvm::Value *BuildVector(const llvm::SmallVectorImpl<llvm::Value*> &Ops);
+  llvm::Value *BuildVector(const SmallVectorImpl<llvm::Value*> &Ops);
   llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E);
   llvm::Value *EmitPPCBuiltinExpr(unsigned BuiltinID, const CallExpr *E);
 
@@ -2370,7 +2370,7 @@ private:
   /// Ty, into individual arguments on the provided vector \arg Args. See
   /// ABIArgInfo::Expand.
   void ExpandTypeToArgs(QualType Ty, RValue Src,
-                        llvm::SmallVector<llvm::Value*, 16> &Args,
+                        SmallVector<llvm::Value*, 16> &Args,
                         llvm::FunctionType *IRFuncTy);
 
   llvm::Value* EmitAsmInput(const AsmStmt &S,
diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index 76c59d42bc..e081caa7bf 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -257,7 +257,7 @@ class CodeGenModule : public CodeGenTypeCache {
   CtorList GlobalDtors;
 
   /// MangledDeclNames - A map of canonical GlobalDecls to their mangled names.
-  llvm::DenseMap<GlobalDecl, llvm::StringRef> MangledDeclNames;
+  llvm::DenseMap<GlobalDecl, StringRef> MangledDeclNames;
   llvm::BumpPtrAllocator MangledNamesAllocator;
   
   std::vector<llvm::Constant*> Annotations;
@@ -279,7 +279,7 @@ class CodeGenModule : public CodeGenTypeCache {
   /// - Global variables with initializers whose order of initialization
   /// is set by init_priority attribute.
   
-  llvm::SmallVector<std::pair<OrderGlobalInits, llvm::Function*>, 8> 
+  SmallVector<std::pair<OrderGlobalInits, llvm::Function*>, 8> 
     PrioritizedCXXGlobalInits;
 
   /// CXXGlobalDtors - Global destructor functions and arguments that need to
@@ -433,7 +433,7 @@ public:
   /// variable with the right type will be created and all uses of the old
   /// variable will be replaced with a bitcast to the new variable.
   llvm::GlobalVariable *
-  CreateOrReplaceCXXRuntimeVariable(llvm::StringRef Name, llvm::Type *Ty,
+  CreateOrReplaceCXXRuntimeVariable(StringRef Name, llvm::Type *Ty,
                                     llvm::GlobalValue::LinkageTypes Linkage);
 
   /// GetAddrOfGlobalVar - Return the llvm::Constant for the address of the
@@ -544,7 +544,7 @@ public:
   ///
   /// \param GlobalName If provided, the name to use for the global
   /// (if one is created).
-  llvm::Constant *GetAddrOfConstantString(llvm::StringRef Str,
+  llvm::Constant *GetAddrOfConstantString(StringRef Str,
                                           const char *GlobalName=0);
 
   /// GetAddrOfConstantCString - Returns a pointer to a character array
@@ -595,13 +595,13 @@ public:
   /// CreateRuntimeFunction - Create a new runtime function with the specified
   /// type and name.
   llvm::Constant *CreateRuntimeFunction(llvm::FunctionType *Ty,
-                                        llvm::StringRef Name,
+                                        StringRef Name,
                                         llvm::Attributes ExtraAttrs =
                                           llvm::Attribute::None);
   /// CreateRuntimeVariable - Create a new runtime global variable with the
   /// specified type and name.
   llvm::Constant *CreateRuntimeVariable(llvm::Type *Ty,
-                                        llvm::StringRef Name);
+                                        StringRef Name);
 
   ///@name Custom Blocks Runtime Interfaces
   ///@{
@@ -633,7 +633,7 @@ public:
                                    const AnnotateAttr *AA, unsigned LineNo);
 
   /// Error - Emit a general error that something can't be done.
-  void Error(SourceLocation loc, llvm::StringRef error);
+  void Error(SourceLocation loc, StringRef error);
 
   /// ErrorUnsupported - Print out an error that codegen doesn't support the
   /// specified stmt yet.
@@ -688,7 +688,7 @@ public:
                               AttributeListType &PAL,
                               unsigned &CallingConv);
 
-  llvm::StringRef getMangledName(GlobalDecl GD);
+  StringRef getMangledName(GlobalDecl GD);
   void getBlockMangledName(GlobalDecl GD, MangleBuffer &Buffer,
                            const BlockDecl *BD);
 
@@ -720,15 +720,15 @@ public:
   std::vector<const CXXRecordDecl*> DeferredVTables;
 
 private:
-  llvm::GlobalValue *GetGlobalValue(llvm::StringRef Ref);
+  llvm::GlobalValue *GetGlobalValue(StringRef Ref);
 
-  llvm::Constant *GetOrCreateLLVMFunction(llvm::StringRef MangledName,
+  llvm::Constant *GetOrCreateLLVMFunction(StringRef MangledName,
                                           llvm::Type *Ty,
                                           GlobalDecl D,
                                           bool ForVTable,
                                           llvm::Attributes ExtraAttrs =
                                             llvm::Attribute::None);
-  llvm::Constant *GetOrCreateLLVMGlobal(llvm::StringRef MangledName,
+  llvm::Constant *GetOrCreateLLVMGlobal(StringRef MangledName,
                                         llvm::PointerType *PTy,
                                         const VarDecl *D,
                                         bool UnnamedAddr = false);
diff --git a/lib/CodeGen/CodeGenTBAA.h b/lib/CodeGen/CodeGenTBAA.h
index c4583473a0..9fe51fb331 100644
--- a/lib/CodeGen/CodeGenTBAA.h
+++ b/lib/CodeGen/CodeGenTBAA.h
@@ -15,7 +15,7 @@
 #ifndef CLANG_CODEGEN_CODEGENTBAA_H
 #define CLANG_CODEGEN_CODEGENTBAA_H
 
-#include "llvm/LLVMContext.h"
+#include "clang/Basic/LLVM.h"
 #include "llvm/ADT/DenseMap.h"
 
 namespace llvm {
@@ -55,7 +55,7 @@ class CodeGenTBAA {
   /// considered to be equivalent to it.
   llvm::MDNode *getChar();
 
-  llvm::MDNode *getTBAAInfoForNamedType(llvm::StringRef NameStr,
+  llvm::MDNode *getTBAAInfoForNamedType(StringRef NameStr,
                                         llvm::MDNode *Parent,
                                         bool Readonly = false);
 
diff --git a/lib/CodeGen/CodeGenTypes.h b/lib/CodeGen/CodeGenTypes.h
index 7682f2af7d..7f0f8ac5f0 100644
--- a/lib/CodeGen/CodeGenTypes.h
+++ b/lib/CodeGen/CodeGenTypes.h
@@ -93,7 +93,7 @@ class CodeGenTypes {
   /// a recursive struct conversion, set this to true.
   bool SkippedLayout;
 
-  llvm::SmallVector<const RecordDecl *, 8> DeferredRecords;
+  SmallVector<const RecordDecl *, 8> DeferredRecords;
   
 private:
   /// TypeCache - This map keeps cache of llvm::Types
@@ -190,7 +190,7 @@ public:
   ///
   /// \param ArgTys - must all actually be canonical as params
   const CGFunctionInfo &getFunctionInfo(CanQualType RetTy,
-                               const llvm::SmallVectorImpl<CanQualType> &ArgTys,
+                               const SmallVectorImpl<CanQualType> &ArgTys,
                                         const FunctionType::ExtInfo &Info);
 
   /// \brief Compute a new LLVM record layout object for the given record.
@@ -200,7 +200,7 @@ public:
   /// addRecordTypeName - Compute a name from the given record decl with an
   /// optional suffix and name the given LLVM type using it.
   void addRecordTypeName(const RecordDecl *RD, llvm::StructType *Ty,
-                         llvm::StringRef suffix);
+                         StringRef suffix);
   
 
 public:  // These are internal details of CGT that shouldn't be used externally.
@@ -211,7 +211,7 @@ public:  // These are internal details of CGT that shouldn't be used externally.
   /// argument types it would be passed as on the provided vector \arg
   /// ArgTys. See ABIArgInfo::Expand.
   void GetExpandedTypes(QualType type,
-                        llvm::SmallVectorImpl<llvm::Type*> &expanded);
+                        SmallVectorImpl<llvm::Type*> &expanded);
 
   /// IsZeroInitializable - Return whether a type can be
   /// zero-initialized (in the C++ sense) with an LLVM zeroinitializer.
diff --git a/lib/CodeGen/TargetInfo.h b/lib/CodeGen/TargetInfo.h
index d5e8884cdf..a188b9c6c2 100644
--- a/lib/CodeGen/TargetInfo.h
+++ b/lib/CodeGen/TargetInfo.h
@@ -15,6 +15,7 @@
 #ifndef CLANG_CODEGEN_TARGETINFO_H
 #define CLANG_CODEGEN_TARGETINFO_H
 
+#include "clang/Basic/LLVM.h"
 #include "llvm/ADT/StringRef.h"
 
 namespace llvm {
@@ -107,7 +108,7 @@ namespace clang {
     }
 
     virtual llvm::Type* adjustInlineAsmType(CodeGen::CodeGenFunction &CGF,
-                                            llvm::StringRef Constraint, 
+                                            StringRef Constraint, 
                                             llvm::Type* Ty) const {
       return Ty;
     }
@@ -122,7 +123,7 @@ namespace clang {
     /// a particular instruction sequence.  This functions returns
     /// that instruction sequence in inline assembly, which will be
     /// empty if none is required.
-    virtual llvm::StringRef getARCRetainAutoreleasedReturnValueMarker() const {
+    virtual StringRef getARCRetainAutoreleasedReturnValueMarker() const {
       return "";
     }
   };
diff --git a/lib/Driver/ToolChains.h b/lib/Driver/ToolChains.h
index d68016b3a2..24545ec4b7 100644
--- a/lib/Driver/ToolChains.h
+++ b/lib/Driver/ToolChains.h
@@ -139,7 +139,7 @@ public:
   /// getDarwinArchName - Get the "Darwin" arch name for a particular compiler
   /// invocation. For example, Darwin treats different ARM variations as
   /// distinct architectures.
-  llvm::StringRef getDarwinArchName(const ArgList &Args) const;
+  StringRef getDarwinArchName(const ArgList &Args) const;
 
   static bool isVersionLT(unsigned (&A)[3], unsigned (&B)[3]) {
     for (unsigned i=0; i < 3; ++i) {
diff --git a/lib/Index/EntityImpl.h b/lib/Index/EntityImpl.h
index da52ccfc09..6d6a0c6d2b 100644
--- a/lib/Index/EntityImpl.h
+++ b/lib/Index/EntityImpl.h
@@ -47,7 +47,7 @@ public:
   /// \brief Get an Entity associated with the given Decl.
   /// \returns Null if an Entity cannot refer to this Decl.
   static Entity get(Decl *D, Program &Prog, ProgramImpl &ProgImpl);
-  static Entity get(llvm::StringRef Name, Program &Prog, ProgramImpl &ProgImpl);
+  static Entity get(StringRef Name, Program &Prog, ProgramImpl &ProgImpl);
 
   std::string getPrintableName();
 
diff --git a/lib/Sema/TreeTransform.h b/lib/Sema/TreeTransform.h
index fa87217821..c75665bfc0 100644
--- a/lib/Sema/TreeTransform.h
+++ b/lib/Sema/TreeTransform.h
@@ -345,7 +345,7 @@ public:
   ///
   /// \returns true if an error occurred, false otherwise.
   bool TransformExprs(Expr **Inputs, unsigned NumInputs, bool IsCall,
-                      llvm::SmallVectorImpl<Expr *> &Outputs,
+                      SmallVectorImpl<Expr *> &Outputs,
                       bool *ArgChanged = 0);
   
   /// \brief Transform the given declaration, which is referenced from a type
@@ -520,8 +520,8 @@ public:
   bool TransformFunctionTypeParams(SourceLocation Loc,
                                    ParmVarDecl **Params, unsigned NumParams,
                                    const QualType *ParamTypes,
-                                   llvm::SmallVectorImpl<QualType> &PTypes,
-                                   llvm::SmallVectorImpl<ParmVarDecl*> *PVars);
+                                   SmallVectorImpl<QualType> &PTypes,
+                                   SmallVectorImpl<ParmVarDecl*> *PVars);
 
   /// \brief Transforms a single function-type parameter.  Return null
   /// on error.
@@ -2424,7 +2424,7 @@ template<typename Derived>
 bool TreeTransform<Derived>::TransformExprs(Expr **Inputs, 
                                             unsigned NumInputs, 
                                             bool IsCall,
-                                      llvm::SmallVectorImpl<Expr *> &Outputs,
+                                      SmallVectorImpl<Expr *> &Outputs,
                                             bool *ArgChanged) {
   for (unsigned I = 0; I != NumInputs; ++I) {
     // If requested, drop call arguments that need to be dropped.
@@ -2438,7 +2438,7 @@ bool TreeTransform<Derived>::TransformExprs(Expr **Inputs,
     if (PackExpansionExpr *Expansion = dyn_cast<PackExpansionExpr>(Inputs[I])) {
       Expr *Pattern = Expansion->getPattern();
         
-      llvm::SmallVector<UnexpandedParameterPack, 2> Unexpanded;
+      SmallVector<UnexpandedParameterPack, 2> Unexpanded;
       getSema().collectUnexpandedParameterPacks(Pattern, Unexpanded);
       assert(!Unexpanded.empty() && "Pack expansion without parameter packs?");
       
@@ -2522,7 +2522,7 @@ TreeTransform<Derived>::TransformNestedNameSpecifierLoc(
                                                     NestedNameSpecifierLoc NNS,
                                                      QualType ObjectType,
                                              NamedDecl *FirstQualifierInScope) {
-  llvm::SmallVector<NestedNameSpecifierLoc, 4> Qualifiers;
+  SmallVector<NestedNameSpecifierLoc, 4> Qualifiers;
   for (NestedNameSpecifierLoc Qualifier = NNS; Qualifier; 
        Qualifier = Qualifier.getPrefix())
     Qualifiers.push_back(Qualifier);
@@ -2887,7 +2887,7 @@ bool TreeTransform<Derived>::TransformTemplateArgument(
   }
 
   case TemplateArgument::Pack: {
-    llvm::SmallVector<TemplateArgument, 4> TransformedArgs;
+    SmallVector<TemplateArgument, 4> TransformedArgs;
     TransformedArgs.reserve(Arg.pack_size());
     for (TemplateArgument::pack_iterator A = Arg.pack_begin(),
                                       AEnd = Arg.pack_end();
@@ -3016,7 +3016,7 @@ bool TreeTransform<Derived>::TransformTemplateArguments(InputIterator First,
         = In.getPackExpansionPattern(Ellipsis, OrigNumExpansions, 
                                      getSema().Context);
       
-      llvm::SmallVector<UnexpandedParameterPack, 2> Unexpanded;
+      SmallVector<UnexpandedParameterPack, 2> Unexpanded;
       getSema().collectUnexpandedParameterPacks(Pattern, Unexpanded);
       assert(!Unexpanded.empty() && "Pack expansion without parameter packs?");
       
@@ -3809,8 +3809,8 @@ bool TreeTransform<Derived>::
   TransformFunctionTypeParams(SourceLocation Loc,
                               ParmVarDecl **Params, unsigned NumParams,
                               const QualType *ParamTypes,
-                              llvm::SmallVectorImpl<QualType> &OutParamTypes,
-                              llvm::SmallVectorImpl<ParmVarDecl*> *PVars) {
+                              SmallVectorImpl<QualType> &OutParamTypes,
+                              SmallVectorImpl<ParmVarDecl*> *PVars) {
   int indexAdjustment = 0;
 
   for (unsigned i = 0; i != NumParams; ++i) {
@@ -3821,7 +3821,7 @@ bool TreeTransform<Derived>::
       ParmVarDecl *NewParm = 0;
       if (OldParm->isParameterPack()) {
         // We have a function parameter pack that may need to be expanded.
-        llvm::SmallVector<UnexpandedParameterPack, 2> Unexpanded;
+        SmallVector<UnexpandedParameterPack, 2> Unexpanded;
 
         // Find the parameter packs that could be expanded.
         TypeLoc TL = OldParm->getTypeSourceInfo()->getTypeLoc();
@@ -3921,7 +3921,7 @@ bool TreeTransform<Derived>::
                                        = dyn_cast<PackExpansionType>(OldType)) {
       // We have a function parameter pack that may need to be expanded.
       QualType Pattern = Expansion->getPattern();
-      llvm::SmallVector<UnexpandedParameterPack, 2> Unexpanded;
+      SmallVector<UnexpandedParameterPack, 2> Unexpanded;
       getSema().collectUnexpandedParameterPacks(Pattern, Unexpanded);
       
       // Determine whether we should expand the parameter packs.
@@ -4014,8 +4014,8 @@ TreeTransform<Derived>::TransformFunctionProtoType(TypeLocBuilder &TLB,
   // parameters before the return type,  since the return type can then refer
   // to the parameters themselves (via decltype, sizeof, etc.).
   //
-  llvm::SmallVector<QualType, 4> ParamTypes;
-  llvm::SmallVector<ParmVarDecl*, 4> ParamDecls;
+  SmallVector<QualType, 4> ParamTypes;
+  SmallVector<ParmVarDecl*, 4> ParamDecls;
   const FunctionProtoType *T = TL.getTypePtr();
 
   QualType ResultType;
@@ -5256,7 +5256,7 @@ template<typename Derived>
 StmtResult
 TreeTransform<Derived>::TransformDeclStmt(DeclStmt *S) {
   bool DeclChanged = false;
-  llvm::SmallVector<Decl *, 4> Decls;
+  SmallVector<Decl *, 4> Decls;
   for (DeclStmt::decl_iterator D = S->decl_begin(), DEnd = S->decl_end();
        D != DEnd; ++D) {
     Decl *Transformed = getDerived().TransformDefinition((*D)->getLocation(),
@@ -5283,7 +5283,7 @@ TreeTransform<Derived>::TransformAsmStmt(AsmStmt *S) {
   
   ASTOwningVector<Expr*> Constraints(getSema());
   ASTOwningVector<Expr*> Exprs(getSema());
-  llvm::SmallVector<IdentifierInfo *, 4> Names;
+  SmallVector<IdentifierInfo *, 4> Names;
 
   ExprResult AsmString;
   ASTOwningVector<Expr*> Clobbers(getSema());
@@ -5813,8 +5813,8 @@ TreeTransform<Derived>::TransformGenericSelectionExpr(GenericSelectionExpr *E) {
   if (ControllingExpr.isInvalid())
     return ExprError();
 
-  llvm::SmallVector<Expr *, 4> AssocExprs;
-  llvm::SmallVector<TypeSourceInfo *, 4> AssocTypes;
+  SmallVector<Expr *, 4> AssocExprs;
+  SmallVector<TypeSourceInfo *, 4> AssocTypes;
   for (unsigned i = 0; i != E->getNumAssocs(); ++i) {
     TypeSourceInfo *TS = E->getAssocTypeSourceInfo(i);
     if (TS) {
@@ -5887,7 +5887,7 @@ TreeTransform<Derived>::TransformOffsetOfExpr(OffsetOfExpr *E) {
   bool ExprChanged = false;
   typedef Sema::OffsetOfComponent Component;
   typedef OffsetOfExpr::OffsetOfNode Node;
-  llvm::SmallVector<Component, 4> Components;
+  SmallVector<Component, 4> Components;
   for (unsigned I = 0, N = E->getNumComponents(); I != N; ++I) {
     const Node &ON = E->getComponent(I);
     Component Comp;
@@ -7908,8 +7908,8 @@ TreeTransform<Derived>::TransformBlockExpr(BlockExpr *E) {
   // expression.
   blockScope->CapturesCXXThis = oldBlock->capturesCXXThis();
   
-  llvm::SmallVector<ParmVarDecl*, 4> params;
-  llvm::SmallVector<QualType, 4> paramTypes;
+  SmallVector<ParmVarDecl*, 4> params;
+  SmallVector<QualType, 4> paramTypes;
   
   // Parameter substitution.
   if (getDerived().TransformFunctionTypeParams(E->getCaretLocation(),