Generate strong write barriers for __strong objects.
Also, took care of Daniel's commments.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59575 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCRuntime.h b/lib/CodeGen/CGObjCRuntime.h
index 24288b1..675ff34 100644
--- a/lib/CodeGen/CGObjCRuntime.h
+++ b/lib/CodeGen/CGObjCRuntime.h
@@ -149,6 +149,10 @@
 					 llvm::Value *AddrWeakObj) = 0;
   virtual void EmitObjCWeakAssign(CodeGen::CodeGenFunction &CGF,
                                   llvm::Value *src, llvm::Value *dest) = 0;
+  virtual void EmitObjCGlobalAssign(CodeGen::CodeGenFunction &CGF,
+                                    llvm::Value *src, llvm::Value *dest) = 0;
+  virtual void EmitObjCStrongCastAssign(CodeGen::CodeGenFunction &CGF,
+                                        llvm::Value *src, llvm::Value *dest) = 0;
 };
 
 /// Creates an instance of an Objective-C runtime class.