Add dummy Mac Objective-C runtime interface.
  - Not currently accessible and completely non-functional.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54624 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCRuntime.h b/lib/CodeGen/CGObjCRuntime.h
index c2f9f54..109d274 100644
--- a/lib/CodeGen/CGObjCRuntime.h
+++ b/lib/CodeGen/CGObjCRuntime.h
@@ -1,4 +1,4 @@
-//===----- CGObjCRuntime.h - Emit LLVM Code from ASTs for a Module --------===//
+//===----- CGObjCRuntime.h - Interface to ObjC Runtimes ---------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -81,7 +81,7 @@
              const llvm::SmallVectorImpl<std::string> &Protocols) =0;
   /// Generate a reference to the named protocol.
   virtual llvm::Value *GenerateProtocolRef(llvm::IRBuilder<true> &Builder,
-                                           const char *ProtocolName) =0;
+                                           const char *ProtocolName) = 0;
   virtual llvm::Value *GenerateMessageSendSuper(llvm::IRBuilder<true> &Builder,
                                                 const llvm::Type *ReturnTy,
                                                 llvm::Value *Sender,
@@ -121,7 +121,8 @@
 
 /// Creates an instance of an Objective-C runtime class.  
 //TODO: This should include some way of selecting which runtime to target.
-CGObjCRuntime *CreateObjCRuntime(CodeGenModule &CGM);
+CGObjCRuntime *CreateGNUObjCRuntime(CodeGenModule &CGM);
+CGObjCRuntime *CreateMacObjCRuntime(CodeGenModule &CGM);
 }
 }
 #endif