Implemented memmove_collectable API for Next runtime
when struct variables with GC'able members are copied into.
Will provide a test case later.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74984 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCRuntime.h b/lib/CodeGen/CGObjCRuntime.h
index 0f9cf06..df5cd70 100644
--- a/lib/CodeGen/CGObjCRuntime.h
+++ b/lib/CodeGen/CGObjCRuntime.h
@@ -197,6 +197,10 @@
   virtual llvm::Value *EmitIvarOffset(CodeGen::CodeGenFunction &CGF,
                                       const ObjCInterfaceDecl *Interface,
                                       const ObjCIvarDecl *Ivar) = 0;
+  virtual void EmitGCMemmoveCollectable(CodeGen::CodeGenFunction &CGF,
+                                        llvm::Value *DestPtr, 
+                                        llvm::Value *SrcPtr,
+                                        unsigned long) = 0;
 };
 
 /// Creates an instance of an Objective-C runtime class.