diff --git a/include/clang/Basic/Attr.td b/include/clang/Basic/Attr.td
index 38d5dcb..22d6b38 100644
--- a/include/clang/Basic/Attr.td
+++ b/include/clang/Basic/Attr.td
@@ -80,17 +80,25 @@
   list<string> Enums = enums;
 }
 
+// This handles one spelling of an attribute.
+class Spelling<string name, string variety> {
+  string Name = name;
+  string Variety = variety;
+}
+
+class GNU<string name> : Spelling<name, "GNU">;
+class Declspec<string name> : Spelling<name, "Declspec">;
+class CXX11<string namespace, string name> : Spelling<name, "CXX11"> {
+  string Namespace = namespace;
+}
+
 class Attr {
   // The various ways in which an attribute can be spelled in source
-  list<string> Spellings;
+  list<Spelling> Spellings;
   // The things to which an attribute can appertain
   list<AttrSubject> Subjects;
   // The arguments allowed on an attribute
   list<Argument> Args = [];
-  // The namespaces in which the attribute appears in C++0x attributes.
-  // The attribute will not be permitted in C++0x attribute-specifiers if
-  // this is empty; the empty string can be used as a namespace.
-  list<string> Namespaces = [];
   // Set to true for attributes with arguments which require delayed parsing. 
   bit LateParsed = 0;  
   // Set to false to prevent an attribute from being propagated from a template
@@ -122,21 +130,20 @@
 //
 
 def AddressSpace : Attr {
-  let Spellings = ["address_space"];
+  let Spellings = [GNU<"address_space">];
   let Args = [IntArgument<"AddressSpace">];
   let ASTNode = 0;  
 }
 
 def Alias : InheritableAttr {
-  let Spellings = ["alias"];
+  let Spellings = [GNU<"alias">];
   let Args = [StringArgument<"Aliasee">];
 }
 
 def Aligned : InheritableAttr {
-  let Spellings = ["aligned", "align"];
+  let Spellings = [GNU<"aligned">, GNU<"align">];
   let Subjects = [NonBitField, NormalVar, Tag];
   let Args = [AlignedArgument<"Alignment">];
-  let Namespaces = ["", "std"];
 }
 
 def AlignMac68k : InheritableAttr {
@@ -145,20 +152,20 @@
 }
 
 def AllocSize : Attr {
-  let Spellings = ["alloc_size"];
+  let Spellings = [GNU<"alloc_size">];
   let Args = [VariadicUnsignedArgument<"Args">];
 }
 
 def AlwaysInline : InheritableAttr {
-  let Spellings = ["always_inline"];
+  let Spellings = [GNU<"always_inline">];
 }
 
 def AnalyzerNoReturn : InheritableAttr {
-  let Spellings = ["analyzer_noreturn"];
+  let Spellings = [GNU<"analyzer_noreturn">];
 }
 
 def Annotate : InheritableParamAttr {
-  let Spellings = ["annotate"];
+  let Spellings = [GNU<"annotate">];
   let Args = [StringArgument<"Annotation">];
 }
 
@@ -169,7 +176,7 @@
 }
 
 def Availability : InheritableAttr {
-  let Spellings = ["availability"];
+  let Spellings = [GNU<"availability">];
   let Args = [IdentifierArgument<"platform">, VersionArgument<"introduced">,
               VersionArgument<"deprecated">, VersionArgument<"obsoleted">,
               BoolArgument<"unavailable">, StringArgument<"message">];
@@ -182,31 +189,26 @@
 } }];
 }
 
-def BaseCheck : Attr {
-  let Spellings = ["base_check"];
-  let ASTNode = 0;
-}
-
 def Blocks : InheritableAttr {
-  let Spellings = ["blocks"];
+  let Spellings = [GNU<"blocks">];
   let Args = [EnumArgument<"Type", "BlockType", ["byref"], ["ByRef"]>];
 }
 
 def Bounded : Attr {
-  let Spellings = ["bounded"];
+  let Spellings = [GNU<"bounded">];
   let ASTNode = 0;
   let SemaHandler = 0;
   let Ignored = 1;
 }
 
 def CarriesDependency : InheritableParamAttr {
-  let Spellings = ["carries_dependency"];
+  let Spellings = [GNU<"carries_dependency">, CXX11<"","carries_dependency">,
+                   CXX11<"std","carries_dependency">];
   let Subjects = [ParmVar, Function];
-  let Namespaces = ["", "std"];
 }
 
 def CDecl : InheritableAttr {
-  let Spellings = ["cdecl", "__cdecl"];
+  let Spellings = [GNU<"cdecl">, GNU<"__cdecl">];
 }
 
 // cf_audited_transfer indicates that the given function has been
@@ -214,7 +216,7 @@
 // cf_returns_retained attributes.  It is generally applied by
 // '#pragma clang arc_cf_code_audited' rather than explicitly.
 def CFAuditedTransfer : InheritableAttr {
-  let Spellings = ["cf_audited_transfer"];
+  let Spellings = [GNU<"cf_audited_transfer">];
   let Subjects = [Function];
 }
 
@@ -222,152 +224,151 @@
 // It indicates that the function has unknown or unautomatable
 // transfer semantics.
 def CFUnknownTransfer : InheritableAttr {
-  let Spellings = ["cf_unknown_transfer"];
+  let Spellings = [GNU<"cf_unknown_transfer">];
   let Subjects = [Function];
 }
 
 def CFReturnsAutoreleased : Attr {
-  let Spellings = ["cf_returns_autoreleased"];
+  let Spellings = [GNU<"cf_returns_autoreleased">];
   let ASTNode = 0;
 }
 
 def CFReturnsRetained : InheritableAttr {
-  let Spellings = ["cf_returns_retained"];
+  let Spellings = [GNU<"cf_returns_retained">];
   let Subjects = [ObjCMethod, Function];
 }
 
 def CFReturnsNotRetained : InheritableAttr {
-  let Spellings = ["cf_returns_not_retained"];
+  let Spellings = [GNU<"cf_returns_not_retained">];
   let Subjects = [ObjCMethod, Function];
 }
 
 def CFConsumed : InheritableParamAttr {
-  let Spellings = ["cf_consumed"];
+  let Spellings = [GNU<"cf_consumed">];
   let Subjects = [ParmVar];
 }
 
 def Cleanup : InheritableAttr {
-  let Spellings = ["cleanup"];
+  let Spellings = [GNU<"cleanup">];
   let Args = [FunctionArgument<"FunctionDecl">];
 }
 
 def Cold : InheritableAttr {
-  let Spellings = ["cold"];
+  let Spellings = [GNU<"cold">];
 }
 
 def Common : InheritableAttr {
-  let Spellings = ["common"];
+  let Spellings = [GNU<"common">];
 }
 
 def Const : InheritableAttr {
-  let Spellings = ["const", "__const"];
+  let Spellings = [GNU<"const">, GNU<"__const">];
 }
 
 def Constructor : InheritableAttr {
-  let Spellings = ["constructor"];
+  let Spellings = [GNU<"constructor">];
   let Args = [IntArgument<"Priority">];
 }
 
 def CUDAConstant : InheritableAttr {
-  let Spellings = ["constant"];
+  let Spellings = [GNU<"constant">];
 }
 
 def CUDADevice : InheritableAttr {
-  let Spellings = ["device"];
+  let Spellings = [GNU<"device">];
 }
 
 def CUDAGlobal : InheritableAttr {
-  let Spellings = ["global"];
+  let Spellings = [GNU<"global">];
 }
 
 def CUDAHost : InheritableAttr {
-  let Spellings = ["host"];
+  let Spellings = [GNU<"host">];
 }
 
 def CUDALaunchBounds : InheritableAttr {
-  let Spellings = ["launch_bounds"];
+  let Spellings = [GNU<"launch_bounds">];
   let Args = [IntArgument<"MaxThreads">, DefaultIntArgument<"MinBlocks", 0>];
 }
 
 def CUDAShared : InheritableAttr {
-  let Spellings = ["shared"];
+  let Spellings = [GNU<"shared">];
 }
 
 def OpenCLKernel : Attr {
-  let Spellings = ["opencl_kernel_function"];
+  let Spellings = [GNU<"opencl_kernel_function">];
 }
 
 def OpenCLImageAccess : Attr {
-  let Spellings = ["opencl_image_access"];
+  let Spellings = [GNU<"opencl_image_access">];
   let Args = [IntArgument<"Access">];
   let ASTNode = 0;
 }
 
 def Deprecated : InheritableAttr {
-  let Spellings = ["deprecated"];
+  let Spellings = [GNU<"deprecated">];
   let Args = [StringArgument<"Message">];
 }
 
 def Destructor : InheritableAttr {
-  let Spellings = ["destructor"];
+  let Spellings = [GNU<"destructor">];
   let Args = [IntArgument<"Priority">];
 }
 
 def ExtVectorType : Attr {
-  let Spellings = ["ext_vector_type"];
+  let Spellings = [GNU<"ext_vector_type">];
   let Args = [ExprArgument<"NumElements">];
   let ASTNode = 0;
 }
 
 def FallThrough : Attr {
-  let Namespaces = ["clang"];
-  let Spellings = ["fallthrough"];
+  let Spellings = [GNU<"fallthrough">, CXX11<"clang","fallthrough">];
   let Subjects = [NullStmt];
 }
 
 def FastCall : InheritableAttr {
-  let Spellings = ["fastcall", "__fastcall"];
+  let Spellings = [GNU<"fastcall">, GNU<"__fastcall">];
 }
 
-def Final : InheritableAttr { 
+def Final : InheritableAttr {
   let Spellings = [];
   let SemaHandler = 0;
 }
 
 def Format : InheritableAttr {
-  let Spellings = ["format"];
+  let Spellings = [GNU<"format">];
   let Args = [StringArgument<"Type">, IntArgument<"FormatIdx">,
               IntArgument<"FirstArg">];
 }
 
 def FormatArg : InheritableAttr {
-  let Spellings = ["format_arg"];
+  let Spellings = [GNU<"format_arg">];
   let Args = [IntArgument<"FormatIdx">];
 }
 
 def GNUInline : InheritableAttr {
-  let Spellings = ["gnu_inline"];
+  let Spellings = [GNU<"gnu_inline">];
 }
 
 def Hot : InheritableAttr {
-  let Spellings = ["hot"];
+  let Spellings = [GNU<"hot">];
 }
 
 def IBAction : InheritableAttr {
-  let Spellings = ["ibaction"];
+  let Spellings = [GNU<"ibaction">];
 }
 
 def IBOutlet : InheritableAttr {
-  let Spellings = ["iboutlet"];
+  let Spellings = [GNU<"iboutlet">];
 }
 
 def IBOutletCollection : InheritableAttr {
-  let Spellings = ["iboutletcollection"];
+  let Spellings = [GNU<"iboutletcollection">];
   let Args = [TypeArgument<"Interface">, SourceLocArgument<"InterfaceLoc">];
 }
 
 def Malloc : InheritableAttr {
-  let Spellings = ["malloc"];
+  let Spellings = [GNU<"malloc">];
 }
 
 def MaxFieldAlignment : InheritableAttr {
@@ -377,7 +378,7 @@
 }
 
 def MayAlias : InheritableAttr {
-  let Spellings = ["may_alias"];
+  let Spellings = [GNU<"may_alias">];
 }
 
 def MSP430Interrupt : InheritableAttr {
@@ -397,45 +398,45 @@
 }
 
 def Mode : Attr {
-  let Spellings = ["mode"];
+  let Spellings = [GNU<"mode">];
   let Args = [IdentifierArgument<"Mode">];
   let ASTNode = 0;
 }
 
 def Naked : InheritableAttr {
-  let Spellings = ["naked"];
+  let Spellings = [GNU<"naked">];
 }
 
 def NeonPolyVectorType : Attr {
-  let Spellings = ["neon_polyvector_type"];
+  let Spellings = [GNU<"neon_polyvector_type">];
   let Args = [IntArgument<"NumElements">];
   let ASTNode = 0;
 }
 
 def NeonVectorType : Attr {
-  let Spellings = ["neon_vector_type"];
+  let Spellings = [GNU<"neon_vector_type">];
   let Args = [IntArgument<"NumElements">];
   let ASTNode = 0;
 }
 
 def ReturnsTwice : InheritableAttr {
-  let Spellings = ["returns_twice"];
+  let Spellings = [GNU<"returns_twice">];
 }
 
 def NoCommon : InheritableAttr {
-  let Spellings = ["nocommon"];
+  let Spellings = [GNU<"nocommon">];
 }
 
 def NoDebug : InheritableAttr {
-  let Spellings = ["nodebug"];
+  let Spellings = [GNU<"nodebug">];
 }
 
 def NoInline : InheritableAttr {
-  let Spellings = ["noinline"];
+  let Spellings = [GNU<"noinline">];
 }
 
 def NonNull : InheritableAttr {
-  let Spellings = ["nonnull"];
+  let Spellings = [GNU<"nonnull">];
   let Args = [VariadicUnsignedArgument<"Args">];
   let AdditionalMembers =
 [{bool isNonNull(unsigned idx) const {
@@ -448,58 +449,58 @@
 }
 
 def NoReturn : InheritableAttr {
-  let Spellings = ["noreturn"];
+  let Spellings = [GNU<"noreturn">, CXX11<"","noreturn">,
+                   CXX11<"std","noreturn">];
   // FIXME: Does GCC allow this on the function instead?
   let Subjects = [Function];
-  let Namespaces = ["", "std"];
 }
 
 def NoInstrumentFunction : InheritableAttr {
-  let Spellings = ["no_instrument_function"];
+  let Spellings = [GNU<"no_instrument_function">];
   let Subjects = [Function];
 }
 
 def NoThrow : InheritableAttr {
-  let Spellings = ["nothrow"];
+  let Spellings = [GNU<"nothrow">];
 }
 
 def NSBridged : InheritableAttr {
-  let Spellings = ["ns_bridged"];
+  let Spellings = [GNU<"ns_bridged">];
   let Subjects = [Record];
   let Args = [IdentifierArgument<"BridgedType">];
 }
 
 def NSReturnsRetained : InheritableAttr {
-  let Spellings = ["ns_returns_retained"];
+  let Spellings = [GNU<"ns_returns_retained">];
   let Subjects = [ObjCMethod, Function];
 }
 
 def NSReturnsNotRetained : InheritableAttr {
-  let Spellings = ["ns_returns_not_retained"];
+  let Spellings = [GNU<"ns_returns_not_retained">];
   let Subjects = [ObjCMethod, Function];
 }
 
 def NSReturnsAutoreleased : InheritableAttr {
-  let Spellings = ["ns_returns_autoreleased"];
+  let Spellings = [GNU<"ns_returns_autoreleased">];
   let Subjects = [ObjCMethod, Function];
 }
 
 def NSConsumesSelf : InheritableAttr {
-  let Spellings = ["ns_consumes_self"];
+  let Spellings = [GNU<"ns_consumes_self">];
   let Subjects = [ObjCMethod];
 }
 
 def NSConsumed : InheritableParamAttr {
-  let Spellings = ["ns_consumed"];
+  let Spellings = [GNU<"ns_consumed">];
   let Subjects = [ParmVar];
 }
 
 def ObjCException : InheritableAttr {
-  let Spellings = ["objc_exception"];
+  let Spellings = [GNU<"objc_exception">];
 }
 
 def ObjCMethodFamily : InheritableAttr {
-  let Spellings = ["objc_method_family"];
+  let Spellings = [GNU<"objc_method_family">];
   let Subjects = [ObjCMethod];
   let Args = [EnumArgument<"Family", "FamilyKind",
                ["none", "alloc", "copy", "init", "mutableCopy", "new"],
@@ -508,26 +509,26 @@
 }
 
 def ObjCNSObject : InheritableAttr {
-  let Spellings = ["NSObject"];
+  let Spellings = [GNU<"NSObject">];
 }
 
 def ObjCPreciseLifetime : Attr {
-  let Spellings = ["objc_precise_lifetime"];
+  let Spellings = [GNU<"objc_precise_lifetime">];
   let Subjects = [Var];
 }
 
 def ObjCReturnsInnerPointer : Attr {
-  let Spellings = ["objc_returns_inner_pointer"];
+  let Spellings = [GNU<"objc_returns_inner_pointer">];
   let Subjects = [ObjCMethod];
 }
 
 def ObjCRootClass : Attr {
-  let Spellings = ["objc_root_class"];
+  let Spellings = [GNU<"objc_root_class">];
   let Subjects = [ObjCInterface];
 }
 
 def Overloadable : Attr {
-  let Spellings = ["overloadable"];
+  let Spellings = [GNU<"overloadable">];
 }
 
 def Override : InheritableAttr { 
@@ -536,7 +537,8 @@
 }
 
 def Ownership : InheritableAttr {
-  let Spellings = ["ownership_holds", "ownership_returns", "ownership_takes"];
+  let Spellings = [GNU<"ownership_holds">, GNU<"ownership_returns">,
+                   GNU<"ownership_takes">];
   let DistinctSpellings = 1;
   let Args = [EnumArgument<"OwnKind", "OwnershipKind",
                     ["ownership_holds", "ownership_returns", "ownership_takes"],
@@ -545,112 +547,112 @@
 }
 
 def Packed : InheritableAttr {
-  let Spellings = ["packed"];
+  let Spellings = [GNU<"packed">];
 }
 
 def Pcs : InheritableAttr {
-  let Spellings = ["pcs"];
+  let Spellings = [GNU<"pcs">];
   let Args = [EnumArgument<"PCS", "PCSType",
                            ["aapcs", "aapcs-vfp"],
                            ["AAPCS", "AAPCS_VFP"]>];
 }
 
 def Pure : InheritableAttr {
-  let Spellings = ["pure"];
+  let Spellings = [GNU<"pure">];
 }
 
 def Regparm : InheritableAttr {
-  let Spellings = ["regparm"];
+  let Spellings = [GNU<"regparm">];
   let Args = [UnsignedArgument<"NumParams">];
 }
 
 def ReqdWorkGroupSize : InheritableAttr {
-  let Spellings = ["reqd_work_group_size"];
+  let Spellings = [GNU<"reqd_work_group_size">];
   let Args = [UnsignedArgument<"XDim">, UnsignedArgument<"YDim">,
               UnsignedArgument<"ZDim">];
 }
 
 def InitPriority : InheritableAttr {
-  let Spellings = ["init_priority"];
+  let Spellings = [GNU<"init_priority">];
   let Args = [UnsignedArgument<"Priority">];
 }
 
 def Section : InheritableAttr {
-  let Spellings = ["section"];
+  let Spellings = [GNU<"section">];
   let Args = [StringArgument<"Name">];
 }
 
 def Sentinel : InheritableAttr {
-  let Spellings = ["sentinel"];
+  let Spellings = [GNU<"sentinel">];
   let Args = [DefaultIntArgument<"Sentinel", 0>,
               DefaultIntArgument<"NullPos", 0>];
 }
 
 def StdCall : InheritableAttr {
-  let Spellings = ["stdcall", "__stdcall"];
+  let Spellings = [GNU<"stdcall">, GNU<"__stdcall">];
 }
 
 def ThisCall : InheritableAttr {
-  let Spellings = ["thiscall", "__thiscall"];
+  let Spellings = [GNU<"thiscall">, GNU<"__thiscall">];
 }
 
 def Pascal : InheritableAttr {
-  let Spellings = ["pascal", "__pascal"];
+  let Spellings = [GNU<"pascal">];
 }
 
 def TransparentUnion : InheritableAttr {
-  let Spellings = ["transparent_union"];
+  let Spellings = [GNU<"transparent_union">];
 }
 
 def Unavailable : InheritableAttr {
-  let Spellings = ["unavailable"];
+  let Spellings = [GNU<"unavailable">];
   let Args = [StringArgument<"Message">];
 }
 
 def ArcWeakrefUnavailable : InheritableAttr {
-  let Spellings = ["objc_arc_weak_reference_unavailable"];
+  let Spellings = [GNU<"objc_arc_weak_reference_unavailable">];
   let Subjects = [ObjCInterface];
 }
 
 def ObjCGC : Attr {
-  let Spellings = ["objc_gc"];
+  let Spellings = [GNU<"objc_gc">];
   let Args = [IdentifierArgument<"Kind">];
   let ASTNode = 0;
 }
 
 def ObjCOwnership : Attr {
-  let Spellings = ["objc_ownership"];
+  let Spellings = [GNU<"objc_ownership">];
   let Args = [IdentifierArgument<"Kind">];
   let ASTNode = 0;
 }
 
 def ObjCRequiresPropertyDefs : InheritableAttr {
-  let Spellings = ["objc_requires_property_definitions"];
+  let Spellings = [GNU<"objc_requires_property_definitions">];
   let Subjects = [ObjCInterface];
 }
 
 def Unused : InheritableAttr {
-  let Spellings = ["unused"];
+  let Spellings = [GNU<"unused">];
 }
 
 def Used : InheritableAttr {
-  let Spellings = ["used"];
+  let Spellings = [GNU<"used">];
 }
 
 def Uuid : InheritableAttr {
-  let Spellings = ["uuid"];
+  let Spellings = [GNU<"uuid">];
   let Args = [StringArgument<"Guid">];
   let Subjects = [CXXRecord];
 }
 
 def VectorSize : Attr {
-  let Spellings = ["vector_size"];
+  let Spellings = [GNU<"vector_size">];
   let Args = [ExprArgument<"NumBytes">];
   let ASTNode = 0;
 }
 
 def VecTypeHint : Attr {
-  let Spellings = ["vec_type_hint"];
+  let Spellings = [GNU<"vec_type_hint">];
   let ASTNode = 0;
   let SemaHandler = 0;
   let Ignored = 1;
@@ -658,31 +660,31 @@
 
 def Visibility : InheritableAttr {
   let Clone = 0;
-  let Spellings = ["visibility"];
+  let Spellings = [GNU<"visibility">];
   let Args = [EnumArgument<"Visibility", "VisibilityType",
                            ["default", "hidden", "internal", "protected"],
                            ["Default", "Hidden", "Hidden", "Protected"]>];
 }
 
 def VecReturn : InheritableAttr {
-  let Spellings = ["vecreturn"];
+  let Spellings = [GNU<"vecreturn">];
   let Subjects = [CXXRecord];
 }
 
 def WarnUnusedResult : InheritableAttr {
-  let Spellings = ["warn_unused_result"];
+  let Spellings = [GNU<"warn_unused_result">];
 }
 
 def Weak : InheritableAttr {
-  let Spellings = ["weak"];
+  let Spellings = [GNU<"weak">];
 }
 
 def WeakImport : InheritableAttr {
-  let Spellings = ["weak_import"];
+  let Spellings = [GNU<"weak_import">];
 }
 
 def WeakRef : InheritableAttr {
-  let Spellings = ["weakref"];
+  let Spellings = [GNU<"weakref">];
 }
 
 def X86ForceAlignArgPointer : InheritableAttr {
@@ -691,68 +693,68 @@
 
 // AddressSafety attribute (e.g. for AddressSanitizer)
 def NoAddressSafetyAnalysis : InheritableAttr {
-  let Spellings = ["no_address_safety_analysis"];
+  let Spellings = [GNU<"no_address_safety_analysis">];
 }
 
 // C/C++ Thread safety attributes (e.g. for deadlock, data race checking)
 
 def GuardedVar : InheritableAttr {
-  let Spellings = ["guarded_var"];
+  let Spellings = [GNU<"guarded_var">];
 }
 
 def PtGuardedVar : InheritableAttr {
-  let Spellings = ["pt_guarded_var"];
+  let Spellings = [GNU<"pt_guarded_var">];
 }
 
 def Lockable : InheritableAttr {
-  let Spellings = ["lockable"];
+  let Spellings = [GNU<"lockable">];
 }
 
 def ScopedLockable : InheritableAttr {
-  let Spellings = ["scoped_lockable"];
+  let Spellings = [GNU<"scoped_lockable">];
 }
 
 def NoThreadSafetyAnalysis : InheritableAttr {
-  let Spellings = ["no_thread_safety_analysis"];
+  let Spellings = [GNU<"no_thread_safety_analysis">];
 }
 
 def GuardedBy : InheritableAttr {
-  let Spellings = ["guarded_by"];
+  let Spellings = [GNU<"guarded_by">];
   let Args = [ExprArgument<"Arg">];
   let LateParsed = 1;
   let TemplateDependent = 1;
 }
 
 def PtGuardedBy : InheritableAttr {
-  let Spellings = ["pt_guarded_by"];
+  let Spellings = [GNU<"pt_guarded_by">];
   let Args = [ExprArgument<"Arg">];
   let LateParsed = 1;
   let TemplateDependent = 1;
 }
 
 def AcquiredAfter : InheritableAttr {
-  let Spellings = ["acquired_after"];
+  let Spellings = [GNU<"acquired_after">];
   let Args = [VariadicExprArgument<"Args">];
   let LateParsed = 1;
   let TemplateDependent = 1;
 }
 
 def AcquiredBefore : InheritableAttr {
-  let Spellings = ["acquired_before"];
+  let Spellings = [GNU<"acquired_before">];
   let Args = [VariadicExprArgument<"Args">];
   let LateParsed = 1;
   let TemplateDependent = 1;
 }
 
 def ExclusiveLockFunction : InheritableAttr {
-  let Spellings = ["exclusive_lock_function"];
+  let Spellings = [GNU<"exclusive_lock_function">];
   let Args = [VariadicExprArgument<"Args">];
   let LateParsed = 1;
   let TemplateDependent = 1;
 }
 
 def SharedLockFunction : InheritableAttr {
-  let Spellings = ["shared_lock_function"];
+  let Spellings = [GNU<"shared_lock_function">];
   let Args = [VariadicExprArgument<"Args">];
   let LateParsed = 1;
   let TemplateDependent = 1;
@@ -761,7 +763,7 @@
 // The first argument is an integer or boolean value specifying the return value
 // of a successful lock acquisition.
 def ExclusiveTrylockFunction : InheritableAttr {
-  let Spellings = ["exclusive_trylock_function"];
+  let Spellings = [GNU<"exclusive_trylock_function">];
   let Args = [ExprArgument<"SuccessValue">, VariadicExprArgument<"Args">];
   let LateParsed = 1;
   let TemplateDependent = 1;
@@ -770,42 +772,42 @@
 // The first argument is an integer or boolean value specifying the return value
 // of a successful lock acquisition.
 def SharedTrylockFunction : InheritableAttr {
-  let Spellings = ["shared_trylock_function"];
+  let Spellings = [GNU<"shared_trylock_function">];
   let Args = [ExprArgument<"SuccessValue">, VariadicExprArgument<"Args">];
   let LateParsed = 1;
   let TemplateDependent = 1;
 }
 
 def UnlockFunction : InheritableAttr {
-  let Spellings = ["unlock_function"];
+  let Spellings = [GNU<"unlock_function">];
   let Args = [VariadicExprArgument<"Args">];
   let LateParsed = 1;
   let TemplateDependent = 1;
 }
 
 def LockReturned : InheritableAttr {
-  let Spellings = ["lock_returned"];
+  let Spellings = [GNU<"lock_returned">];
   let Args = [ExprArgument<"Arg">];
   let LateParsed = 1;
   let TemplateDependent = 1;
 }
 
 def LocksExcluded : InheritableAttr {
-  let Spellings = ["locks_excluded"];
+  let Spellings = [GNU<"locks_excluded">];
   let Args = [VariadicExprArgument<"Args">];
   let LateParsed = 1;
   let TemplateDependent = 1;
 }
 
 def ExclusiveLocksRequired : InheritableAttr {
-  let Spellings = ["exclusive_locks_required"];
+  let Spellings = [GNU<"exclusive_locks_required">];
   let Args = [VariadicExprArgument<"Args">];
   let LateParsed = 1;
   let TemplateDependent = 1;
 }
 
 def SharedLocksRequired : InheritableAttr {
-  let Spellings = ["shared_locks_required"];
+  let Spellings = [GNU<"shared_locks_required">];
   let Args = [VariadicExprArgument<"Args">];
   let LateParsed = 1;
   let TemplateDependent = 1;
@@ -814,41 +816,41 @@
 // Microsoft-related attributes
 
 def MsStruct : InheritableAttr {
-  let Spellings = ["__ms_struct__"];
+  let Spellings = [Declspec<"ms_struct">];
 }
 
 def DLLExport : InheritableAttr {
-  let Spellings = ["dllexport"];
+  let Spellings = [Declspec<"dllexport">];
 }
 
 def DLLImport : InheritableAttr {
-  let Spellings = ["dllimport"];
+  let Spellings = [Declspec<"dllimport">];
 }
 
 def ForceInline : InheritableAttr {
-  let Spellings = ["__forceinline"];
+  let Spellings = [Declspec<"__forceinline">];
 }
 
 def Win64 : InheritableAttr {
-  let Spellings = ["__w64"];
+  let Spellings = [Declspec<"w64">];
 }
 
 def Ptr32 : InheritableAttr {
-  let Spellings = ["__ptr32"];
+  let Spellings = [Declspec<"__ptr32">];
 }
 
 def Ptr64 : InheritableAttr {
-  let Spellings = ["__ptr64"];
+  let Spellings = [Declspec<"__ptr64">];
 }
 
 def SingleInheritance : InheritableAttr {
-  let Spellings = ["__single_inheritance"];
+  let Spellings = [Declspec<"__single_inheritance">];
 }
 
 def MultipleInheritance : InheritableAttr {
-  let Spellings = ["__multiple_inheritance"];
+  let Spellings = [Declspec<"__multiple_inheritance">];
 }
 
 def VirtualInheritance : InheritableAttr {
-  let Spellings = ["__virtual_inheritance"];
+  let Spellings = [Declspec<"__virtual_inheritance">];
 }
diff --git a/include/clang/Sema/AttributeList.h b/include/clang/Sema/AttributeList.h
index 9b7a196..5de2cce 100644
--- a/include/clang/Sema/AttributeList.h
+++ b/include/clang/Sema/AttributeList.h
@@ -249,27 +249,27 @@
   }
 
   const AvailabilityChange &getAvailabilityIntroduced() const {
-    assert(getKind() == AT_availability && "Not an availability attribute");
+    assert(getKind() == AT_Availability && "Not an availability attribute");
     return getAvailabilitySlot(IntroducedSlot);
   }
 
   const AvailabilityChange &getAvailabilityDeprecated() const {
-    assert(getKind() == AT_availability && "Not an availability attribute");
+    assert(getKind() == AT_Availability && "Not an availability attribute");
     return getAvailabilitySlot(DeprecatedSlot);
   }
 
   const AvailabilityChange &getAvailabilityObsoleted() const {
-    assert(getKind() == AT_availability && "Not an availability attribute");
+    assert(getKind() == AT_Availability && "Not an availability attribute");
     return getAvailabilitySlot(ObsoletedSlot);
   }
 
   SourceLocation getUnavailableLoc() const {
-    assert(getKind() == AT_availability && "Not an availability attribute");
+    assert(getKind() == AT_Availability && "Not an availability attribute");
     return UnavailableLoc;
   }
   
   const Expr * getMessageExpr() const {
-    assert(getKind() == AT_availability && "Not an availability attribute");
+    assert(getKind() == AT_Availability && "Not an availability attribute");
     return MessageExpr;
   }
 };
diff --git a/lib/AST/ExprCXX.cpp b/lib/AST/ExprCXX.cpp
index e4545c1..9aac837 100644
--- a/lib/AST/ExprCXX.cpp
+++ b/lib/AST/ExprCXX.cpp
@@ -556,9 +556,6 @@
   const CXXRecordDecl *SrcRD = 
     cast<CXXRecordDecl>(SrcType->castAs<RecordType>()->getDecl());
 
-  if (!SrcRD->hasAttr<FinalAttr>())
-    return false;
-
   const CXXRecordDecl *DestRD = 
     cast<CXXRecordDecl>(DestType->castAs<RecordType>()->getDecl());
 
diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 9cb9ed6..3c14b7c 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -791,6 +791,7 @@
   if (Name.startswith("__") && Name.endswith("__") && Name.size() >= 4)
     Name = Name.substr(2, Name.size() - 4);
 
+  // FIXME: Do we need to handle namespaces here?
   return llvm::StringSwitch<bool>(Name)
 #include "clang/Lex/AttrSpellings.inc"
         .Default(false);
diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index 2e95a31..dc8e120 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -277,7 +277,7 @@
       Attrs.addNew(AttrName, SourceRange(AttrNameLoc, RParen), 0, AttrNameLoc,
                    ParmName, ParmLoc, ArgExprs.take(), ArgExprs.size(),
                    AttributeList::AS_GNU);
-    if (BuiltinType && attr->getKind() == AttributeList::AT_iboutletcollection)
+    if (BuiltinType && attr->getKind() == AttributeList::AT_IBOutletCollection)
       Diag(Tok, diag::err_iboutletcollection_builtintype);
   }
 }
@@ -1875,9 +1875,12 @@
 
   ExprVector ArgExprs(Actions);
   ArgExprs.push_back(ArgExpr.release());
+  // FIXME: This should not be GNU, but we since the attribute used is
+  //        based on the spelling, and there is no true spelling for
+  //        C++11 attributes, this isn't accepted.
   Attrs.addNew(PP.getIdentifierInfo("aligned"), KWLoc, 0, KWLoc,
                0, T.getOpenLocation(), ArgExprs.take(), 1,
-               AttributeList::AS_CXX11);
+               AttributeList::AS_GNU);
 }
 
 /// ParseDeclarationSpecifiers
diff --git a/lib/Parse/ParseDeclCXX.cpp b/lib/Parse/ParseDeclCXX.cpp
index b906292..6e391c9 100644
--- a/lib/Parse/ParseDeclCXX.cpp
+++ b/lib/Parse/ParseDeclCXX.cpp
@@ -2902,11 +2902,11 @@
     switch (AttributeList::getKind(AttrName, ScopeName,
                                    AttributeList::AS_CXX11)) {
     // No arguments
-    case AttributeList::AT_carries_dependency:
+    case AttributeList::AT_CarriesDependency:
     // FIXME: implement generic support of attributes with C++11 syntax
     // see Parse/ParseDecl.cpp: ParseGNUAttributes
-    case AttributeList::AT_fallthrough:
-    case AttributeList::AT_noreturn: {
+    case AttributeList::AT_FallThrough:
+    case AttributeList::AT_NoReturn: {
       if (Tok.is(tok::l_paren)) {
         Diag(Tok.getLocation(), diag::err_cxx11_attribute_forbids_arguments)
           << AttrName->getName();
diff --git a/lib/Sema/DeclSpec.cpp b/lib/Sema/DeclSpec.cpp
index f6764c2..c57699b 100644
--- a/lib/Sema/DeclSpec.cpp
+++ b/lib/Sema/DeclSpec.cpp
@@ -753,7 +753,7 @@
   writtenBS.ModeAttr = false;
   AttributeList* attrs = getAttributes().getList();
   while (attrs) {
-    if (attrs->getKind() == AttributeList::AT_mode) {
+    if (attrs->getKind() == AttributeList::AT_Mode) {
       writtenBS.ModeAttr = true;
       break;
     }
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index e8682d7..94a6f74 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -3306,22 +3306,22 @@
   }
 
   switch (Attr.getKind()) {
-  case AttributeList::AT_fastcall:
+  case AttributeList::AT_FastCall:
     D->addAttr(::new (S.Context) FastCallAttr(Attr.getRange(), S.Context));
     return;
-  case AttributeList::AT_stdcall:
+  case AttributeList::AT_StdCall:
     D->addAttr(::new (S.Context) StdCallAttr(Attr.getRange(), S.Context));
     return;
-  case AttributeList::AT_thiscall:
+  case AttributeList::AT_ThisCall:
     D->addAttr(::new (S.Context) ThisCallAttr(Attr.getRange(), S.Context));
     return;
-  case AttributeList::AT_cdecl:
+  case AttributeList::AT_CDecl:
     D->addAttr(::new (S.Context) CDeclAttr(Attr.getRange(), S.Context));
     return;
-  case AttributeList::AT_pascal:
+  case AttributeList::AT_Pascal:
     D->addAttr(::new (S.Context) PascalAttr(Attr.getRange(), S.Context));
     return;
-  case AttributeList::AT_pcs: {
+  case AttributeList::AT_Pcs: {
     Expr *Arg = Attr.getArg(0);
     StringLiteral *Str = dyn_cast<StringLiteral>(Arg);
     if (!Str || !Str->isAscii()) {
@@ -3360,7 +3360,7 @@
     return true;
 
   if ((attr.getNumArgs() != 0 &&
-      !(attr.getKind() == AttributeList::AT_pcs && attr.getNumArgs() == 1)) ||
+      !(attr.getKind() == AttributeList::AT_Pcs && attr.getNumArgs() == 1)) ||
       attr.getParameterName()) {
     Diag(attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 0;
     attr.setInvalid();
@@ -3370,12 +3370,12 @@
   // TODO: diagnose uses of these conventions on the wrong target. Or, better
   // move to TargetAttributesSema one day.
   switch (attr.getKind()) {
-  case AttributeList::AT_cdecl: CC = CC_C; break;
-  case AttributeList::AT_fastcall: CC = CC_X86FastCall; break;
-  case AttributeList::AT_stdcall: CC = CC_X86StdCall; break;
-  case AttributeList::AT_thiscall: CC = CC_X86ThisCall; break;
-  case AttributeList::AT_pascal: CC = CC_X86Pascal; break;
-  case AttributeList::AT_pcs: {
+  case AttributeList::AT_CDecl: CC = CC_C; break;
+  case AttributeList::AT_FastCall: CC = CC_X86FastCall; break;
+  case AttributeList::AT_StdCall: CC = CC_X86StdCall; break;
+  case AttributeList::AT_ThisCall: CC = CC_X86ThisCall; break;
+  case AttributeList::AT_Pascal: CC = CC_X86Pascal; break;
+  case AttributeList::AT_Pcs: {
     Expr *Arg = attr.getArg(0);
     StringLiteral *Str = dyn_cast<StringLiteral>(Arg);
     if (!Str || !Str->isAscii()) {
@@ -3526,7 +3526,7 @@
   }
 
   bool typeOK, cf;
-  if (Attr.getKind() == AttributeList::AT_ns_consumed) {
+  if (Attr.getKind() == AttributeList::AT_NSConsumed) {
     typeOK = isValidSubjectOfNSAttribute(S, param->getType());
     cf = false;
   } else {
@@ -3567,7 +3567,7 @@
   else if (ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(D))
     returnType = PD->getType();
   else if (S.getLangOpts().ObjCAutoRefCount && hasDeclarator(D) &&
-           (Attr.getKind() == AttributeList::AT_ns_returns_retained))
+           (Attr.getKind() == AttributeList::AT_NSReturnsRetained))
     return; // ignore: was handled as a type attribute
   else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
     returnType = FD->getResultType();
@@ -3582,15 +3582,15 @@
   bool cf;
   switch (Attr.getKind()) {
   default: llvm_unreachable("invalid ownership attribute");
-  case AttributeList::AT_ns_returns_autoreleased:
-  case AttributeList::AT_ns_returns_retained:
-  case AttributeList::AT_ns_returns_not_retained:
+  case AttributeList::AT_NSReturnsAutoreleased:
+  case AttributeList::AT_NSReturnsRetained:
+  case AttributeList::AT_NSReturnsNotRetained:
     typeOK = isValidSubjectOfNSAttribute(S, returnType);
     cf = false;
     break;
 
-  case AttributeList::AT_cf_returns_retained:
-  case AttributeList::AT_cf_returns_not_retained:
+  case AttributeList::AT_CFReturnsRetained:
+  case AttributeList::AT_CFReturnsNotRetained:
     typeOK = isValidSubjectOfCFAttribute(S, returnType);
     cf = true;
     break;
@@ -3605,23 +3605,23 @@
   switch (Attr.getKind()) {
     default:
       llvm_unreachable("invalid ownership attribute");
-    case AttributeList::AT_ns_returns_autoreleased:
+    case AttributeList::AT_NSReturnsAutoreleased:
       D->addAttr(::new (S.Context) NSReturnsAutoreleasedAttr(Attr.getRange(),
                                                              S.Context));
       return;
-    case AttributeList::AT_cf_returns_not_retained:
+    case AttributeList::AT_CFReturnsNotRetained:
       D->addAttr(::new (S.Context) CFReturnsNotRetainedAttr(Attr.getRange(),
                                                             S.Context));
       return;
-    case AttributeList::AT_ns_returns_not_retained:
+    case AttributeList::AT_NSReturnsNotRetained:
       D->addAttr(::new (S.Context) NSReturnsNotRetainedAttr(Attr.getRange(),
                                                             S.Context));
       return;
-    case AttributeList::AT_cf_returns_retained:
+    case AttributeList::AT_CFReturnsRetained:
       D->addAttr(::new (S.Context) CFReturnsRetainedAttr(Attr.getRange(),
                                                          S.Context));
       return;
-    case AttributeList::AT_ns_returns_retained:
+    case AttributeList::AT_NSReturnsRetained:
       D->addAttr(::new (S.Context) NSReturnsRetainedAttr(Attr.getRange(),
                                                          S.Context));
       return;
@@ -3665,7 +3665,7 @@
     return;
   }
 
-  bool IsAudited = (A.getKind() == AttributeList::AT_cf_audited_transfer);
+  bool IsAudited = (A.getKind() == AttributeList::AT_CFAuditedTransfer);
 
   // Check whether there's a conflicting attribute already present.
   Attr *Existing;
@@ -3780,14 +3780,14 @@
   switch (Attr.getKind()) {
   default:
     return false;
-  case AttributeList::AT_dllimport:
-  case AttributeList::AT_dllexport:
-  case AttributeList::AT_uuid:
-  case AttributeList::AT_deprecated:
-  case AttributeList::AT_noreturn:
-  case AttributeList::AT_nothrow:
-  case AttributeList::AT_naked:
-  case AttributeList::AT_noinline:
+  case AttributeList::AT_DLLImport:
+  case AttributeList::AT_DLLExport:
+  case AttributeList::AT_Uuid:
+  case AttributeList::AT_Deprecated:
+  case AttributeList::AT_NoReturn:
+  case AttributeList::AT_NoThrow:
+  case AttributeList::AT_Naked:
+  case AttributeList::AT_NoInline:
     return true;
   }
 }
@@ -3853,13 +3853,13 @@
 static void handleInheritanceAttr(Sema &S, Decl *D, const AttributeList &Attr) {
   if (S.LangOpts.MicrosoftExt) {
     AttributeList::Kind Kind = Attr.getKind();
-    if (Kind == AttributeList::AT_single_inheritance)
+    if (Kind == AttributeList::AT_SingleInheritance)
       D->addAttr(
           ::new (S.Context) SingleInheritanceAttr(Attr.getRange(), S.Context));
-    else if (Kind == AttributeList::AT_multiple_inheritance)
+    else if (Kind == AttributeList::AT_MultipleInheritance)
       D->addAttr(
           ::new (S.Context) MultipleInheritanceAttr(Attr.getRange(), S.Context));
-    else if (Kind == AttributeList::AT_virtual_inheritance)
+    else if (Kind == AttributeList::AT_VirtualInheritance)
       D->addAttr(
           ::new (S.Context) VirtualInheritanceAttr(Attr.getRange(), S.Context));
   } else
@@ -3869,13 +3869,13 @@
 static void handlePortabilityAttr(Sema &S, Decl *D, const AttributeList &Attr) {
   if (S.LangOpts.MicrosoftExt) {
     AttributeList::Kind Kind = Attr.getKind();
-    if (Kind == AttributeList::AT_ptr32)
+    if (Kind == AttributeList::AT_Ptr32)
       D->addAttr(
           ::new (S.Context) Ptr32Attr(Attr.getRange(), S.Context));
-    else if (Kind == AttributeList::AT_ptr64)
+    else if (Kind == AttributeList::AT_Ptr64)
       D->addAttr(
           ::new (S.Context) Ptr64Attr(Attr.getRange(), S.Context));
-    else if (Kind == AttributeList::AT_w64)
+    else if (Kind == AttributeList::AT_Win64)
       D->addAttr(
           ::new (S.Context) Win64Attr(Attr.getRange(), S.Context));
   } else
@@ -3896,9 +3896,9 @@
 static void ProcessNonInheritableDeclAttr(Sema &S, Scope *scope, Decl *D,
                                           const AttributeList &Attr) {
   switch (Attr.getKind()) {
-  case AttributeList::AT_device:      handleDeviceAttr      (S, D, Attr); break;
-  case AttributeList::AT_host:        handleHostAttr        (S, D, Attr); break;
-  case AttributeList::AT_overloadable:handleOverloadableAttr(S, D, Attr); break;
+  case AttributeList::AT_CUDADevice:  handleDeviceAttr      (S, D, Attr); break;
+  case AttributeList::AT_CUDAHost:    handleHostAttr        (S, D, Attr); break;
+  case AttributeList::AT_Overloadable:handleOverloadableAttr(S, D, Attr); break;
   default:
     break;
   }
@@ -3907,242 +3907,242 @@
 static void ProcessInheritableDeclAttr(Sema &S, Scope *scope, Decl *D,
                                        const AttributeList &Attr) {
   switch (Attr.getKind()) {
-    case AttributeList::AT_ibaction:            handleIBAction(S, D, Attr); break;
-    case AttributeList::AT_iboutlet:          handleIBOutlet(S, D, Attr); break;
-    case AttributeList::AT_iboutletcollection:
+    case AttributeList::AT_IBAction:          handleIBAction(S, D, Attr); break;
+    case AttributeList::AT_IBOutlet:          handleIBOutlet(S, D, Attr); break;
+    case AttributeList::AT_IBOutletCollection:
       handleIBOutletCollection(S, D, Attr); break;
-  case AttributeList::AT_address_space:
-  case AttributeList::AT_opencl_image_access:
-  case AttributeList::AT_objc_gc:
-  case AttributeList::AT_vector_size:
-  case AttributeList::AT_neon_vector_type:
-  case AttributeList::AT_neon_polyvector_type:
+  case AttributeList::AT_AddressSpace:
+  case AttributeList::AT_OpenCLImageAccess:
+  case AttributeList::AT_ObjCGC:
+  case AttributeList::AT_VectorSize:
+  case AttributeList::AT_NeonVectorType:
+  case AttributeList::AT_NeonPolyVectorType:
     // Ignore these, these are type attributes, handled by
     // ProcessTypeAttributes.
     break;
-  case AttributeList::AT_device:
-  case AttributeList::AT_host:
-  case AttributeList::AT_overloadable:
+  case AttributeList::AT_CUDADevice:
+  case AttributeList::AT_CUDAHost:
+  case AttributeList::AT_Overloadable:
     // Ignore, this is a non-inheritable attribute, handled
     // by ProcessNonInheritableDeclAttr.
     break;
-  case AttributeList::AT_alias:       handleAliasAttr       (S, D, Attr); break;
-  case AttributeList::AT_aligned:     handleAlignedAttr     (S, D, Attr); break;
-  case AttributeList::AT_alloc_size:  handleAllocSizeAttr   (S, D, Attr); break;
-  case AttributeList::AT_always_inline:
+  case AttributeList::AT_Alias:       handleAliasAttr       (S, D, Attr); break;
+  case AttributeList::AT_Aligned:     handleAlignedAttr     (S, D, Attr); break;
+  case AttributeList::AT_AllocSize:   handleAllocSizeAttr   (S, D, Attr); break;
+  case AttributeList::AT_AlwaysInline:
     handleAlwaysInlineAttr  (S, D, Attr); break;
-  case AttributeList::AT_analyzer_noreturn:
+  case AttributeList::AT_AnalyzerNoReturn:
     handleAnalyzerNoReturnAttr  (S, D, Attr); break;
-  case AttributeList::AT_annotate:    handleAnnotateAttr    (S, D, Attr); break;
-  case AttributeList::AT_availability:handleAvailabilityAttr(S, D, Attr); break;
-  case AttributeList::AT_carries_dependency:
+  case AttributeList::AT_Annotate:    handleAnnotateAttr    (S, D, Attr); break;
+  case AttributeList::AT_Availability:handleAvailabilityAttr(S, D, Attr); break;
+  case AttributeList::AT_CarriesDependency:
                                       handleDependencyAttr  (S, D, Attr); break;
-  case AttributeList::AT_common:      handleCommonAttr      (S, D, Attr); break;
-  case AttributeList::AT_constant:    handleConstantAttr    (S, D, Attr); break;
-  case AttributeList::AT_constructor: handleConstructorAttr (S, D, Attr); break;
-  case AttributeList::AT_deprecated:
+  case AttributeList::AT_Common:      handleCommonAttr      (S, D, Attr); break;
+  case AttributeList::AT_CUDAConstant:handleConstantAttr    (S, D, Attr); break;
+  case AttributeList::AT_Constructor: handleConstructorAttr (S, D, Attr); break;
+  case AttributeList::AT_Deprecated:
     handleAttrWithMessage<DeprecatedAttr>(S, D, Attr, "deprecated");
     break;
-  case AttributeList::AT_destructor:  handleDestructorAttr  (S, D, Attr); break;
-  case AttributeList::AT_ext_vector_type:
+  case AttributeList::AT_Destructor:  handleDestructorAttr  (S, D, Attr); break;
+  case AttributeList::AT_ExtVectorType:
     handleExtVectorTypeAttr(S, scope, D, Attr);
     break;
-  case AttributeList::AT_format:      handleFormatAttr      (S, D, Attr); break;
-  case AttributeList::AT_format_arg:  handleFormatArgAttr   (S, D, Attr); break;
-  case AttributeList::AT_global:      handleGlobalAttr      (S, D, Attr); break;
-  case AttributeList::AT_gnu_inline:  handleGNUInlineAttr   (S, D, Attr); break;
-  case AttributeList::AT_launch_bounds:
+  case AttributeList::AT_Format:      handleFormatAttr      (S, D, Attr); break;
+  case AttributeList::AT_FormatArg:   handleFormatArgAttr   (S, D, Attr); break;
+  case AttributeList::AT_CUDAGlobal:  handleGlobalAttr      (S, D, Attr); break;
+  case AttributeList::AT_GNUInline:   handleGNUInlineAttr   (S, D, Attr); break;
+  case AttributeList::AT_CUDALaunchBounds:
     handleLaunchBoundsAttr(S, D, Attr);
     break;
-  case AttributeList::AT_mode:        handleModeAttr        (S, D, Attr); break;
-  case AttributeList::AT_malloc:      handleMallocAttr      (S, D, Attr); break;
-  case AttributeList::AT_may_alias:   handleMayAliasAttr    (S, D, Attr); break;
-  case AttributeList::AT_nocommon:    handleNoCommonAttr    (S, D, Attr); break;
-  case AttributeList::AT_nonnull:     handleNonNullAttr     (S, D, Attr); break;
+  case AttributeList::AT_Mode:        handleModeAttr        (S, D, Attr); break;
+  case AttributeList::AT_Malloc:      handleMallocAttr      (S, D, Attr); break;
+  case AttributeList::AT_MayAlias:    handleMayAliasAttr    (S, D, Attr); break;
+  case AttributeList::AT_NoCommon:    handleNoCommonAttr    (S, D, Attr); break;
+  case AttributeList::AT_NonNull:     handleNonNullAttr     (S, D, Attr); break;
   case AttributeList::AT_ownership_returns:
   case AttributeList::AT_ownership_takes:
   case AttributeList::AT_ownership_holds:
       handleOwnershipAttr     (S, D, Attr); break;
-  case AttributeList::AT_cold:        handleColdAttr        (S, D, Attr); break;
-  case AttributeList::AT_hot:         handleHotAttr         (S, D, Attr); break;
-  case AttributeList::AT_naked:       handleNakedAttr       (S, D, Attr); break;
-  case AttributeList::AT_noreturn:    handleNoReturnAttr    (S, D, Attr); break;
-  case AttributeList::AT_nothrow:     handleNothrowAttr     (S, D, Attr); break;
-  case AttributeList::AT_shared:      handleSharedAttr      (S, D, Attr); break;
-  case AttributeList::AT_vecreturn:   handleVecReturnAttr   (S, D, Attr); break;
+  case AttributeList::AT_Cold:        handleColdAttr        (S, D, Attr); break;
+  case AttributeList::AT_Hot:         handleHotAttr         (S, D, Attr); break;
+  case AttributeList::AT_Naked:       handleNakedAttr       (S, D, Attr); break;
+  case AttributeList::AT_NoReturn:    handleNoReturnAttr    (S, D, Attr); break;
+  case AttributeList::AT_NoThrow:     handleNothrowAttr     (S, D, Attr); break;
+  case AttributeList::AT_CUDAShared:  handleSharedAttr      (S, D, Attr); break;
+  case AttributeList::AT_VecReturn:   handleVecReturnAttr   (S, D, Attr); break;
 
-  case AttributeList::AT_objc_ownership:
+  case AttributeList::AT_ObjCOwnership:
     handleObjCOwnershipAttr(S, D, Attr); break;
-  case AttributeList::AT_objc_precise_lifetime:
+  case AttributeList::AT_ObjCPreciseLifetime:
     handleObjCPreciseLifetimeAttr(S, D, Attr); break;
 
-  case AttributeList::AT_objc_returns_inner_pointer:
+  case AttributeList::AT_ObjCReturnsInnerPointer:
     handleObjCReturnsInnerPointerAttr(S, D, Attr); break;
 
-  case AttributeList::AT_ns_bridged:
+  case AttributeList::AT_NSBridged:
     handleNSBridgedAttr(S, scope, D, Attr); break;
 
-  case AttributeList::AT_cf_audited_transfer:
-  case AttributeList::AT_cf_unknown_transfer:
+  case AttributeList::AT_CFAuditedTransfer:
+  case AttributeList::AT_CFUnknownTransfer:
     handleCFTransferAttr(S, D, Attr); break;
 
   // Checker-specific.
-  case AttributeList::AT_cf_consumed:
-  case AttributeList::AT_ns_consumed: handleNSConsumedAttr  (S, D, Attr); break;
-  case AttributeList::AT_ns_consumes_self:
+  case AttributeList::AT_CFConsumed:
+  case AttributeList::AT_NSConsumed:  handleNSConsumedAttr  (S, D, Attr); break;
+  case AttributeList::AT_NSConsumesSelf:
     handleNSConsumesSelfAttr(S, D, Attr); break;
 
-  case AttributeList::AT_ns_returns_autoreleased:
-  case AttributeList::AT_ns_returns_not_retained:
-  case AttributeList::AT_cf_returns_not_retained:
-  case AttributeList::AT_ns_returns_retained:
-  case AttributeList::AT_cf_returns_retained:
+  case AttributeList::AT_NSReturnsAutoreleased:
+  case AttributeList::AT_NSReturnsNotRetained:
+  case AttributeList::AT_CFReturnsNotRetained:
+  case AttributeList::AT_NSReturnsRetained:
+  case AttributeList::AT_CFReturnsRetained:
     handleNSReturnsRetainedAttr(S, D, Attr); break;
 
-  case AttributeList::AT_reqd_work_group_size:
+  case AttributeList::AT_ReqdWorkGroupSize:
     handleReqdWorkGroupSize(S, D, Attr); break;
 
-  case AttributeList::AT_init_priority: 
+  case AttributeList::AT_InitPriority: 
       handleInitPriorityAttr(S, D, Attr); break;
       
-  case AttributeList::AT_packed:      handlePackedAttr      (S, D, Attr); break;
-  case AttributeList::AT_section:     handleSectionAttr     (S, D, Attr); break;
-  case AttributeList::AT_unavailable:
+  case AttributeList::AT_Packed:      handlePackedAttr      (S, D, Attr); break;
+  case AttributeList::AT_Section:     handleSectionAttr     (S, D, Attr); break;
+  case AttributeList::AT_Unavailable:
     handleAttrWithMessage<UnavailableAttr>(S, D, Attr, "unavailable");
     break;
-  case AttributeList::AT_objc_arc_weak_reference_unavailable: 
+  case AttributeList::AT_ArcWeakrefUnavailable: 
     handleArcWeakrefUnavailableAttr (S, D, Attr); 
     break;
-  case AttributeList::AT_objc_root_class:
+  case AttributeList::AT_ObjCRootClass:
     handleObjCRootClassAttr(S, D, Attr);
     break;
-  case AttributeList::AT_objc_requires_property_definitions: 
+  case AttributeList::AT_ObjCRequiresPropertyDefs: 
     handleObjCRequiresPropertyDefsAttr (S, D, Attr); 
     break;
-  case AttributeList::AT_unused:      handleUnusedAttr      (S, D, Attr); break;
-  case AttributeList::AT_returns_twice:
+  case AttributeList::AT_Unused:      handleUnusedAttr      (S, D, Attr); break;
+  case AttributeList::AT_ReturnsTwice:
     handleReturnsTwiceAttr(S, D, Attr);
     break;
-  case AttributeList::AT_used:        handleUsedAttr        (S, D, Attr); break;
-  case AttributeList::AT_visibility:  handleVisibilityAttr  (S, D, Attr); break;
-  case AttributeList::AT_warn_unused_result: handleWarnUnusedResult(S, D, Attr);
+  case AttributeList::AT_Used:        handleUsedAttr        (S, D, Attr); break;
+  case AttributeList::AT_Visibility:  handleVisibilityAttr  (S, D, Attr); break;
+  case AttributeList::AT_WarnUnusedResult: handleWarnUnusedResult(S, D, Attr);
     break;
-  case AttributeList::AT_weak:        handleWeakAttr        (S, D, Attr); break;
-  case AttributeList::AT_weakref:     handleWeakRefAttr     (S, D, Attr); break;
-  case AttributeList::AT_weak_import: handleWeakImportAttr  (S, D, Attr); break;
-  case AttributeList::AT_transparent_union:
+  case AttributeList::AT_Weak:        handleWeakAttr        (S, D, Attr); break;
+  case AttributeList::AT_WeakRef:     handleWeakRefAttr     (S, D, Attr); break;
+  case AttributeList::AT_WeakImport:  handleWeakImportAttr  (S, D, Attr); break;
+  case AttributeList::AT_TransparentUnion:
     handleTransparentUnionAttr(S, D, Attr);
     break;
-  case AttributeList::AT_objc_exception:
+  case AttributeList::AT_ObjCException:
     handleObjCExceptionAttr(S, D, Attr);
     break;
-  case AttributeList::AT_objc_method_family:
+  case AttributeList::AT_ObjCMethodFamily:
     handleObjCMethodFamilyAttr(S, D, Attr);
     break;
-  case AttributeList::AT_NSObject:    handleObjCNSObject    (S, D, Attr); break;
-  case AttributeList::AT_blocks:      handleBlocksAttr      (S, D, Attr); break;
-  case AttributeList::AT_sentinel:    handleSentinelAttr    (S, D, Attr); break;
-  case AttributeList::AT_const:       handleConstAttr       (S, D, Attr); break;
-  case AttributeList::AT_pure:        handlePureAttr        (S, D, Attr); break;
-  case AttributeList::AT_cleanup:     handleCleanupAttr     (S, D, Attr); break;
-  case AttributeList::AT_nodebug:     handleNoDebugAttr     (S, D, Attr); break;
-  case AttributeList::AT_noinline:    handleNoInlineAttr    (S, D, Attr); break;
-  case AttributeList::AT_regparm:     handleRegparmAttr     (S, D, Attr); break;
+  case AttributeList::AT_ObjCNSObject:handleObjCNSObject    (S, D, Attr); break;
+  case AttributeList::AT_Blocks:      handleBlocksAttr      (S, D, Attr); break;
+  case AttributeList::AT_Sentinel:    handleSentinelAttr    (S, D, Attr); break;
+  case AttributeList::AT_Const:       handleConstAttr       (S, D, Attr); break;
+  case AttributeList::AT_Pure:        handlePureAttr        (S, D, Attr); break;
+  case AttributeList::AT_Cleanup:     handleCleanupAttr     (S, D, Attr); break;
+  case AttributeList::AT_NoDebug:     handleNoDebugAttr     (S, D, Attr); break;
+  case AttributeList::AT_NoInline:    handleNoInlineAttr    (S, D, Attr); break;
+  case AttributeList::AT_Regparm:     handleRegparmAttr     (S, D, Attr); break;
   case AttributeList::IgnoredAttribute:
     // Just ignore
     break;
-  case AttributeList::AT_no_instrument_function:  // Interacts with -pg.
+  case AttributeList::AT_NoInstrumentFunction:  // Interacts with -pg.
     handleNoInstrumentFunctionAttr(S, D, Attr);
     break;
-  case AttributeList::AT_stdcall:
-  case AttributeList::AT_cdecl:
-  case AttributeList::AT_fastcall:
-  case AttributeList::AT_thiscall:
-  case AttributeList::AT_pascal:
-  case AttributeList::AT_pcs:
+  case AttributeList::AT_StdCall:
+  case AttributeList::AT_CDecl:
+  case AttributeList::AT_FastCall:
+  case AttributeList::AT_ThisCall:
+  case AttributeList::AT_Pascal:
+  case AttributeList::AT_Pcs:
     handleCallConvAttr(S, D, Attr);
     break;
-  case AttributeList::AT_opencl_kernel_function:
+  case AttributeList::AT_OpenCLKernel:
     handleOpenCLKernelAttr(S, D, Attr);
     break;
 
   // Microsoft attributes:
-  case AttributeList::AT_ms_struct:
+  case AttributeList::AT_MsStruct:
     handleMsStructAttr(S, D, Attr);
     break;
-  case AttributeList::AT_uuid:
+  case AttributeList::AT_Uuid:
     handleUuidAttr(S, D, Attr);
     break;
-  case AttributeList::AT_single_inheritance:
-  case AttributeList::AT_multiple_inheritance:
-  case AttributeList::AT_virtual_inheritance:
+  case AttributeList::AT_SingleInheritance:
+  case AttributeList::AT_MultipleInheritance:
+  case AttributeList::AT_VirtualInheritance:
     handleInheritanceAttr(S, D, Attr);
     break;
-  case AttributeList::AT_w64:
-  case AttributeList::AT_ptr32:
-  case AttributeList::AT_ptr64:
+  case AttributeList::AT_Win64:
+  case AttributeList::AT_Ptr32:
+  case AttributeList::AT_Ptr64:
     handlePortabilityAttr(S, D, Attr);
     break;
-  case AttributeList::AT_forceinline:
+  case AttributeList::AT_ForceInline:
     handleForceInlineAttr(S, D, Attr);
     break;
 
   // Thread safety attributes:
-  case AttributeList::AT_guarded_var:
+  case AttributeList::AT_GuardedVar:
     handleGuardedVarAttr(S, D, Attr);
     break;
-  case AttributeList::AT_pt_guarded_var:
+  case AttributeList::AT_PtGuardedVar:
     handleGuardedVarAttr(S, D, Attr, /*pointer = */true);
     break;
-  case AttributeList::AT_scoped_lockable:
+  case AttributeList::AT_ScopedLockable:
     handleLockableAttr(S, D, Attr, /*scoped = */true);
     break;
-  case AttributeList::AT_no_address_safety_analysis:
+  case AttributeList::AT_NoAddressSafetyAnalysis:
     handleNoAddressSafetyAttr(S, D, Attr);
     break;
-  case AttributeList::AT_no_thread_safety_analysis:
+  case AttributeList::AT_NoThreadSafetyAnalysis:
     handleNoThreadSafetyAttr(S, D, Attr);
     break;
-  case AttributeList::AT_lockable:
+  case AttributeList::AT_Lockable:
     handleLockableAttr(S, D, Attr);
     break;
-  case AttributeList::AT_guarded_by:
+  case AttributeList::AT_GuardedBy:
     handleGuardedByAttr(S, D, Attr);
     break;
-  case AttributeList::AT_pt_guarded_by:
+  case AttributeList::AT_PtGuardedBy:
     handleGuardedByAttr(S, D, Attr, /*pointer = */true);
     break;
-  case AttributeList::AT_exclusive_lock_function:
+  case AttributeList::AT_ExclusiveLockFunction:
     handleLockFunAttr(S, D, Attr, /*exclusive = */true);
     break;
-  case AttributeList::AT_exclusive_locks_required:
+  case AttributeList::AT_ExclusiveLocksRequired:
     handleLocksRequiredAttr(S, D, Attr, /*exclusive = */true);
     break;
-  case AttributeList::AT_exclusive_trylock_function:
+  case AttributeList::AT_ExclusiveTrylockFunction:
     handleTrylockFunAttr(S, D, Attr, /*exclusive = */true);
     break;
-  case AttributeList::AT_lock_returned:
+  case AttributeList::AT_LockReturned:
     handleLockReturnedAttr(S, D, Attr);
     break;
-  case AttributeList::AT_locks_excluded:
+  case AttributeList::AT_LocksExcluded:
     handleLocksExcludedAttr(S, D, Attr);
     break;
-  case AttributeList::AT_shared_lock_function:
+  case AttributeList::AT_SharedLockFunction:
     handleLockFunAttr(S, D, Attr);
     break;
-  case AttributeList::AT_shared_locks_required:
+  case AttributeList::AT_SharedLocksRequired:
     handleLocksRequiredAttr(S, D, Attr);
     break;
-  case AttributeList::AT_shared_trylock_function:
+  case AttributeList::AT_SharedTrylockFunction:
     handleTrylockFunAttr(S, D, Attr);
     break;
-  case AttributeList::AT_unlock_function:
+  case AttributeList::AT_UnlockFunction:
     handleUnlockFunAttr(S, D, Attr);
     break;
-  case AttributeList::AT_acquired_before:
+  case AttributeList::AT_AcquiredBefore:
     handleAcquireOrderAttr(S, D, Attr, /*before = */true);
     break;
-  case AttributeList::AT_acquired_after:
+  case AttributeList::AT_AcquiredAfter:
     handleAcquireOrderAttr(S, D, Attr, /*before = */false);
     break;
 
@@ -4201,7 +4201,7 @@
 bool Sema::ProcessAccessDeclAttributeList(AccessSpecDecl *ASDecl,
                                           const AttributeList *AttrList) {
   for (const AttributeList* l = AttrList; l; l = l->getNext()) {
-    if (l->getKind() == AttributeList::AT_annotate) {
+    if (l->getKind() == AttributeList::AT_Annotate) {
       handleAnnotateAttr(*this, ASDecl, *l);
     } else {
       Diag(l->getLoc(), diag::err_only_annotate_after_access_spec);
diff --git a/lib/Sema/SemaStmtAttr.cpp b/lib/Sema/SemaStmtAttr.cpp
index 60b2d1e..395b9d6 100644
--- a/lib/Sema/SemaStmtAttr.cpp
+++ b/lib/Sema/SemaStmtAttr.cpp
@@ -48,7 +48,7 @@
 static Attr *ProcessStmtAttribute(Sema &S, Stmt *St, const AttributeList &A,
                                   SourceRange Range) {
   switch (A.getKind()) {
-  case AttributeList::AT_fallthrough:
+  case AttributeList::AT_FallThrough:
     return handleFallThroughAttr(S, St, A, Range);
   default:
     // if we're here, then we parsed an attribute, but didn't recognize it as a
diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp
index 0bdf75b..d6c8d92 100644
--- a/lib/Sema/SemaType.cpp
+++ b/lib/Sema/SemaType.cpp
@@ -59,12 +59,12 @@
 
   unsigned diagID = 0;
   switch (attr.getKind()) {
-  case AttributeList::AT_objc_gc:
+  case AttributeList::AT_ObjCGC:
     diagID = diag::warn_pointer_attribute_wrong_type;
     useExpansionLoc = true;
     break;
 
-  case AttributeList::AT_objc_ownership:
+  case AttributeList::AT_ObjCOwnership:
     diagID = diag::warn_objc_object_attribute_wrong_type;
     useExpansionLoc = true;
     break;
@@ -93,19 +93,19 @@
 // objc_gc applies to Objective-C pointers or, otherwise, to the
 // smallest available pointer type (i.e. 'void*' in 'void**').
 #define OBJC_POINTER_TYPE_ATTRS_CASELIST \
-    case AttributeList::AT_objc_gc: \
-    case AttributeList::AT_objc_ownership
+    case AttributeList::AT_ObjCGC: \
+    case AttributeList::AT_ObjCOwnership
 
 // Function type attributes.
 #define FUNCTION_TYPE_ATTRS_CASELIST \
-    case AttributeList::AT_noreturn: \
-    case AttributeList::AT_cdecl: \
-    case AttributeList::AT_fastcall: \
-    case AttributeList::AT_stdcall: \
-    case AttributeList::AT_thiscall: \
-    case AttributeList::AT_pascal: \
-    case AttributeList::AT_regparm: \
-    case AttributeList::AT_pcs \
+    case AttributeList::AT_NoReturn: \
+    case AttributeList::AT_CDecl: \
+    case AttributeList::AT_FastCall: \
+    case AttributeList::AT_StdCall: \
+    case AttributeList::AT_ThisCall: \
+    case AttributeList::AT_Pascal: \
+    case AttributeList::AT_Regparm: \
+    case AttributeList::AT_Pcs \
 
 namespace {
   /// An object which stores processing state for the entire
@@ -284,9 +284,9 @@
 
 static bool handleObjCPointerTypeAttr(TypeProcessingState &state,
                                       AttributeList &attr, QualType &type) {
-  if (attr.getKind() == AttributeList::AT_objc_gc)
+  if (attr.getKind() == AttributeList::AT_ObjCGC)
     return handleObjCGCTypeAttr(state, attr, type);
-  assert(attr.getKind() == AttributeList::AT_objc_ownership);
+  assert(attr.getKind() == AttributeList::AT_ObjCOwnership);
   return handleObjCOwnershipTypeAttr(state, attr, type);
 }
 
@@ -505,7 +505,7 @@
       distributeObjCPointerTypeAttrFromDeclarator(state, *attr, declSpecType);
       break;
 
-    case AttributeList::AT_ns_returns_retained:
+    case AttributeList::AT_NSReturnsRetained:
       if (!state.getSema().getLangOpts().ObjCAutoRefCount)
         break;
       // fallthrough
@@ -1719,7 +1719,7 @@
       return;
     for (const AttributeList *attr = chunk.getAttrs(); attr;
            attr = attr->getNext())
-      if (attr->getKind() == AttributeList::AT_objc_ownership)
+      if (attr->getKind() == AttributeList::AT_ObjCOwnership)
         return;
 
     transferARCOwnershipToDeclaratorChunk(state, Qualifiers::OCL_Autoreleasing,
@@ -2280,7 +2280,7 @@
           bool Overloadable = false;
           for (const AttributeList *Attrs = D.getAttributes();
                Attrs; Attrs = Attrs->getNext()) {
-            if (Attrs->getKind() == AttributeList::AT_overloadable) {
+            if (Attrs->getKind() == AttributeList::AT_Overloadable) {
               Overloadable = true;
               break;
             }
@@ -2710,7 +2710,7 @@
   DeclaratorChunk &chunk = D.getTypeObject(chunkIndex);
   for (const AttributeList *attr = chunk.getAttrs(); attr;
          attr = attr->getNext())
-    if (attr->getKind() == AttributeList::AT_objc_ownership)
+    if (attr->getKind() == AttributeList::AT_ObjCOwnership)
       return;
 
   const char *attrStr = 0;
@@ -2806,33 +2806,33 @@
 static AttributeList::Kind getAttrListKind(AttributedType::Kind kind) {
   switch (kind) {
   case AttributedType::attr_address_space:
-    return AttributeList::AT_address_space;
+    return AttributeList::AT_AddressSpace;
   case AttributedType::attr_regparm:
-    return AttributeList::AT_regparm;
+    return AttributeList::AT_Regparm;
   case AttributedType::attr_vector_size:
-    return AttributeList::AT_vector_size;
+    return AttributeList::AT_VectorSize;
   case AttributedType::attr_neon_vector_type:
-    return AttributeList::AT_neon_vector_type;
+    return AttributeList::AT_NeonVectorType;
   case AttributedType::attr_neon_polyvector_type:
-    return AttributeList::AT_neon_polyvector_type;
+    return AttributeList::AT_NeonPolyVectorType;
   case AttributedType::attr_objc_gc:
-    return AttributeList::AT_objc_gc;
+    return AttributeList::AT_ObjCGC;
   case AttributedType::attr_objc_ownership:
-    return AttributeList::AT_objc_ownership;
+    return AttributeList::AT_ObjCOwnership;
   case AttributedType::attr_noreturn:
-    return AttributeList::AT_noreturn;
+    return AttributeList::AT_NoReturn;
   case AttributedType::attr_cdecl:
-    return AttributeList::AT_cdecl;
+    return AttributeList::AT_CDecl;
   case AttributedType::attr_fastcall:
-    return AttributeList::AT_fastcall;
+    return AttributeList::AT_FastCall;
   case AttributedType::attr_stdcall:
-    return AttributeList::AT_stdcall;
+    return AttributeList::AT_StdCall;
   case AttributedType::attr_thiscall:
-    return AttributeList::AT_thiscall;
+    return AttributeList::AT_ThisCall;
   case AttributedType::attr_pascal:
-    return AttributeList::AT_pascal;
+    return AttributeList::AT_Pascal;
   case AttributedType::attr_pcs:
-    return AttributeList::AT_pcs;
+    return AttributeList::AT_Pcs;
   }
   llvm_unreachable("unexpected attribute kind!");
 }
@@ -3667,7 +3667,7 @@
 
   FunctionTypeUnwrapper unwrapped(S, type);
 
-  if (attr.getKind() == AttributeList::AT_noreturn) {
+  if (attr.getKind() == AttributeList::AT_NoReturn) {
     if (S.CheckNoReturnAttr(attr))
       return true;
 
@@ -3683,7 +3683,7 @@
 
   // ns_returns_retained is not always a type attribute, but if we got
   // here, we're treating it as one right now.
-  if (attr.getKind() == AttributeList::AT_ns_returns_retained) {
+  if (attr.getKind() == AttributeList::AT_NSReturnsRetained) {
     assert(S.getLangOpts().ObjCAutoRefCount &&
            "ns_returns_retained treated as type attribute in non-ARC");
     if (attr.getNumArgs()) return true;
@@ -3698,7 +3698,7 @@
     return true;
   }
 
-  if (attr.getKind() == AttributeList::AT_regparm) {
+  if (attr.getKind() == AttributeList::AT_Regparm) {
     unsigned value;
     if (S.CheckRegparmAttr(attr, value))
       return true;
@@ -3986,12 +3986,12 @@
     switch (attr.getKind()) {
     default: break;
 
-    case AttributeList::AT_may_alias:
+    case AttributeList::AT_MayAlias:
       // FIXME: This attribute needs to actually be handled, but if we ignore
       // it it breaks large amounts of Linux software.
       attr.setUsedAsTypeAttr();
       break;
-    case AttributeList::AT_address_space:
+    case AttributeList::AT_AddressSpace:
       HandleAddressSpaceTypeAttribute(type, attr, state.getSema());
       attr.setUsedAsTypeAttr();
       break;
@@ -4000,40 +4000,40 @@
         distributeObjCPointerTypeAttr(state, attr, type);
       attr.setUsedAsTypeAttr();
       break;
-    case AttributeList::AT_vector_size:
+    case AttributeList::AT_VectorSize:
       HandleVectorSizeAttr(type, attr, state.getSema());
       attr.setUsedAsTypeAttr();
       break;
-    case AttributeList::AT_ext_vector_type:
+    case AttributeList::AT_ExtVectorType:
       if (state.getDeclarator().getDeclSpec().getStorageClassSpec()
             != DeclSpec::SCS_typedef)
         HandleExtVectorTypeAttr(type, attr, state.getSema());
       attr.setUsedAsTypeAttr();
       break;
-    case AttributeList::AT_neon_vector_type:
+    case AttributeList::AT_NeonVectorType:
       HandleNeonVectorTypeAttr(type, attr, state.getSema(),
                                VectorType::NeonVector, "neon_vector_type");
       attr.setUsedAsTypeAttr();
       break;
-    case AttributeList::AT_neon_polyvector_type:
+    case AttributeList::AT_NeonPolyVectorType:
       HandleNeonVectorTypeAttr(type, attr, state.getSema(),
                                VectorType::NeonPolyVector,
                                "neon_polyvector_type");
       attr.setUsedAsTypeAttr();
       break;
-    case AttributeList::AT_opencl_image_access:
+    case AttributeList::AT_OpenCLImageAccess:
       HandleOpenCLImageAccessAttribute(type, attr, state.getSema());
       attr.setUsedAsTypeAttr();
       break;
 
-    case AttributeList::AT_w64:
-    case AttributeList::AT_ptr32:
-    case AttributeList::AT_ptr64:
+    case AttributeList::AT_Win64:
+    case AttributeList::AT_Ptr32:
+    case AttributeList::AT_Ptr64:
       // FIXME: don't ignore these
       attr.setUsedAsTypeAttr();
       break;
 
-    case AttributeList::AT_ns_returns_retained:
+    case AttributeList::AT_NSReturnsRetained:
       if (!state.getSema().getLangOpts().ObjCAutoRefCount)
 	break;
       // fallthrough into the function attrs
diff --git a/lib/Sema/TargetAttributesSema.cpp b/lib/Sema/TargetAttributesSema.cpp
index 893c3e4..25ace95 100644
--- a/lib/Sema/TargetAttributesSema.cpp
+++ b/lib/Sema/TargetAttributesSema.cpp
@@ -244,9 +244,9 @@
       if (Triple.getOS() == llvm::Triple::Win32 ||
           Triple.getOS() == llvm::Triple::MinGW32) {
         switch (Attr.getKind()) {
-        case AttributeList::AT_dllimport: HandleDLLImportAttr(D, Attr, S);
+        case AttributeList::AT_DLLImport: HandleDLLImportAttr(D, Attr, S);
                                           return true;
-        case AttributeList::AT_dllexport: HandleDLLExportAttr(D, Attr, S);
+        case AttributeList::AT_DLLExport: HandleDLLExportAttr(D, Attr, S);
                                           return true;
         default:                          break;
         }
diff --git a/utils/TableGen/ClangAttrEmitter.cpp b/utils/TableGen/ClangAttrEmitter.cpp
index 7e1eaf8..61f07e2 100644
--- a/utils/TableGen/ClangAttrEmitter.cpp
+++ b/utils/TableGen/ClangAttrEmitter.cpp
@@ -769,7 +769,7 @@
       continue;
     
     std::vector<Record*> ArgRecords = R.getValueAsListOfDefs("Args");
-    std::vector<StringRef> Spellings = getValueAsListOfStrings(R, "Spellings");
+    std::vector<Record*> Spellings = R.getValueAsListOfDefs("Spellings");
     std::vector<Argument*> Args;
     for (ri = ArgRecords.begin(), re = ArgRecords.end(); ri != re; ++ri)
       Args.push_back(createArgument(**ri, R.getName()));
@@ -789,9 +789,10 @@
     OS << "void " << R.getName() << "Attr::printPretty("
        << "llvm::raw_ostream &OS, ASTContext &Ctx) const {\n";
     if (Spellings.begin() != Spellings.end()) {
-      OS << "  OS << \" __attribute__((" << *Spellings.begin();
+      StringRef Spelling = (*Spellings.begin())->getValueAsString("Name");
+      OS << "  OS << \" __attribute__((" << Spelling;
       if (Args.size()) OS << "(";
-      if (*Spellings.begin()=="availability") {
+      if (Spelling == "availability") {
         writeAvailabilityValue(OS);
       } else {
         for (ai = Args.begin(); ai != ae; ++ai) {
@@ -962,10 +963,10 @@
   for (std::vector<Record*>::iterator I = Attrs.begin(), E = Attrs.end(); I != E; ++I) {
     Record &Attr = **I;
 
-    std::vector<StringRef> Spellings = getValueAsListOfStrings(Attr, "Spellings");
+    std::vector<Record*> Spellings = Attr.getValueAsListOfDefs("Spellings");
 
-    for (std::vector<StringRef>::const_iterator I = Spellings.begin(), E = Spellings.end(); I != E; ++I) {
-      StringRef Spelling = *I;
+    for (std::vector<Record*>::const_iterator I = Spellings.begin(), E = Spellings.end(); I != E; ++I) {
+      StringRef Spelling = (*I)->getValueAsString("Name");
       OS << ".Case(\"" << Spelling << "\", true)\n";
     }
   }
@@ -985,12 +986,16 @@
     bool LateParsed = Attr.getValueAsBit("LateParsed");
 
     if (LateParsed) {
-      std::vector<StringRef> Spellings =
-        getValueAsListOfStrings(Attr, "Spellings");
+      std::vector<Record*> Spellings =
+        Attr.getValueAsListOfDefs("Spellings");
 
-      for (std::vector<StringRef>::const_iterator I = Spellings.begin(),
+      // FIXME: Handle non-GNU attributes
+      for (std::vector<Record*>::const_iterator I = Spellings.begin(),
            E = Spellings.end(); I != E; ++I) {
-        OS << ".Case(\"" << (*I) << "\", " << LateParsed << ")\n";
+        if ((*I)->getValueAsString("Variety") != "GNU")
+          continue;
+        OS << ".Case(\"" << (*I)->getValueAsString("Name") << "\", "
+           << LateParsed << ")\n";
       }
     }
   }
@@ -1088,24 +1093,26 @@
     bool DistinctSpellings = Attr.getValueAsBit("DistinctSpellings");
 
     if (SemaHandler) {
-      std::vector<StringRef> Spellings =
-        getValueAsListOfStrings(Attr, "Spellings");
-      
-      for (std::vector<StringRef>::const_iterator I = Spellings.begin(),
-           E = Spellings.end(); I != E; ++I) {
-        StringRef AttrName = *I;
-
-        AttrName = NormalizeAttrName(AttrName);
-        // skip if a normalized version has been processed.
-        if (ProcessedAttrs.find(AttrName) != ProcessedAttrs.end())
-          continue;
-        else
-          ProcessedAttrs.insert(AttrName);
-
-        OS << "PARSED_ATTR(" << AttrName << ")\n";
+      if (DistinctSpellings) {
+        std::vector<Record*> Spellings = Attr.getValueAsListOfDefs("Spellings");
         
-        if (!DistinctSpellings)
-          break;
+        for (std::vector<Record*>::const_iterator I = Spellings.begin(),
+             E = Spellings.end(); I != E; ++I) {
+          StringRef AttrName = (*I)->getValueAsString("Name");
+
+          AttrName = NormalizeAttrName(AttrName);
+          // skip if a normalized version has been processed.
+          if (ProcessedAttrs.find(AttrName) != ProcessedAttrs.end())
+            continue;
+          else
+            ProcessedAttrs.insert(AttrName);
+
+          OS << "PARSED_ATTR(" << AttrName << ")\n";
+        }
+      } else {
+        StringRef AttrName = Attr.getName();
+        AttrName = NormalizeAttrName(AttrName);
+        OS << "PARSED_ATTR(" << AttrName << ")\n";
       }
     }
   }
@@ -1127,46 +1134,31 @@
     bool Ignored = Attr.getValueAsBit("Ignored");
     bool DistinctSpellings = Attr.getValueAsBit("DistinctSpellings");
     if (SemaHandler || Ignored) {
-      std::vector<StringRef> Spellings =
-        getValueAsListOfStrings(Attr, "Spellings");
-      std::vector<StringRef> Namespaces =
-        getValueAsListOfStrings(Attr, "Namespaces");
+      std::vector<Record*> Spellings = Attr.getValueAsListOfDefs("Spellings");
 
-      for (std::vector<StringRef>::const_iterator I = Spellings.begin(),
+      for (std::vector<Record*>::const_iterator I = Spellings.begin(),
            E = Spellings.end(); I != E; ++I) {
+        StringRef RawSpelling = (*I)->getValueAsString("Name");
         StringRef AttrName = NormalizeAttrName(DistinctSpellings
-                                                 ? *I
-                                                 : Spellings.front());
-        StringRef Spelling = NormalizeAttrSpelling(*I);
+                                                 ? RawSpelling
+                                                 : StringRef(Attr.getName()));
 
-        for (std::vector<StringRef>::const_iterator NI = Namespaces.begin(),
-             NE = Namespaces.end(); NI != NE; ++NI) {
-          SmallString<64> Buf;
-          Buf += *NI;
-          Buf += "::";
-          Buf += Spelling;
-
-          if (SemaHandler)
-            Matches.push_back(
-              StringMatcher::StringPair(
-                Buf.str(),
-                "return AttributeList::AT_" + AttrName.str() + ";"));
-          else
-            Matches.push_back(
-              StringMatcher::StringPair(
-                Buf.str(),
-                "return AttributeList::IgnoredAttribute;"));
+        SmallString<64> Spelling;
+        if ((*I)->getValueAsString("Variety") == "CXX11") {
+          Spelling += (*I)->getValueAsString("Namespace");
+          Spelling += "::";
         }
+        Spelling += NormalizeAttrSpelling(RawSpelling);
 
         if (SemaHandler)
           Matches.push_back(
             StringMatcher::StringPair(
-              Spelling,
+              StringRef(Spelling),
               "return AttributeList::AT_" + AttrName.str() + ";"));
         else
           Matches.push_back(
             StringMatcher::StringPair(
-              Spelling,
+              StringRef(Spelling),
               "return AttributeList::IgnoredAttribute;"));
       }
     }