Move the creation of the record type for the state of Objective-C fast
enumerations from the ASTContext into CodeGen, so that we don't need
to serialize it to AST files. This appears to be the last of the
low-hanging fruit for SpecialTypes.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137124 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index 56ff68c..076c29c 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -300,6 +300,10 @@
   /// \brief The LLVM type corresponding to NSConstantString.
   llvm::StructType *NSConstantStringType;
   
+  /// \brief The type used to describe the state of a fast enumeration in
+  /// Objective-C's for..in loop.
+  QualType ObjCFastEnumerationStateType;
+  
   /// @}
 
   /// Lazily create the Objective-C runtime
@@ -566,6 +570,10 @@
                                            const char *GlobalName=0,
                                            unsigned Alignment=1);
   
+  /// \brief Retrieve the record type that describes the state of an
+  /// Objective-C fast enumeration loop (for..in).
+  QualType getObjCFastEnumerationStateType();
+  
   /// GetAddrOfCXXConstructor - Return the address of the constructor of the
   /// given type.
   llvm::GlobalValue *GetAddrOfCXXConstructor(const CXXConstructorDecl *ctor,