Generate strong write barriers for __strong objects.

Also, took care of Daniel's commments.

llvm-svn: 59575

1 files changed, 16 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CGObjCGNU.cpp b/clang/lib/CodeGen/CGObjCGNU.cpp
index 91b8587e1af..7adbd4a8e75 100644
--- a/clang/lib/CodeGen/CGObjCGNU.cpp
+++ b/clang/lib/CodeGen/CGObjCGNU.cpp
@@ -134,6 +134,10 @@ public:
                                          llvm::Value *AddrWeakObj);
   virtual void EmitObjCWeakAssign(CodeGen::CodeGenFunction &CGF,
                                   llvm::Value *src, llvm::Value *dst);
+  virtual void EmitObjCGlobalAssign(CodeGen::CodeGenFunction &CGF,
+                                    llvm::Value *src, llvm::Value *dest);
+  virtual void EmitObjCStrongCastAssign(CodeGen::CodeGenFunction &CGF,
+                                        llvm::Value *src, llvm::Value *dest);
 };
 } // end anonymous namespace
 
@@ -984,6 +988,18 @@ void CGObjCGNU::EmitObjCWeakAssign(CodeGen::CodeGenFunction &CGF,
   return;
 }
 
+void CGObjCGNU::EmitObjCGlobalAssign(CodeGen::CodeGenFunction &CGF,
+                                     llvm::Value *src, llvm::Value *dst)
+{
+  return;
+}
+
+void CGObjCGNU::EmitObjCStrongCastAssign(CodeGen::CodeGenFunction &CGF,
+                                         llvm::Value *src, llvm::Value *dst)
+{
+  return;
+}
+
 CodeGen::CGObjCRuntime *CodeGen::CreateGNUObjCRuntime(CodeGen::CodeGenModule &CGM){
   return new CGObjCGNU(CGM);
 }