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/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index e6c2650..ccfd465 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -458,6 +458,10 @@
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
@@ -1800,6 +1804,28 @@
return;
}
+/// EmitObjCGlobalAssign - Code gen for assigning to a __strong object.
+/// objc_assign_global (id src, id *dst)
+///
+void CGObjCMac::EmitObjCGlobalAssign(CodeGen::CodeGenFunction &CGF,
+ llvm::Value *src, llvm::Value *dst)
+{
+ CGF.Builder.CreateCall2(ObjCTypes.GcAssignGlobalFn,
+ src, dst, "globalassign");
+ return;
+}
+
+/// EmitObjCStrongCastAssign - Code gen for assigning to a __strong cast object.
+/// objc_assign_strongCast (id src, id *dst)
+///
+void CGObjCMac::EmitObjCStrongCastAssign(CodeGen::CodeGenFunction &CGF,
+ llvm::Value *src, llvm::Value *dst)
+{
+ CGF.Builder.CreateCall2(ObjCTypes.GcAssignStrongCastFn,
+ src, dst, "weakassign");
+ return;
+}
+
/// EmitSynchronizedStmt - Code gen for @synchronized(expr) stmt;
/// Effectively generating code for:
/// objc_sync_enter(expr);