Generate objc_read_weak for __weak objc loads.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59553 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/CodeGen/CGObjCGNU.cpp b/lib/CodeGen/CGObjCGNU.cpp
index 0833b0832d..d57710c5e5 100644
--- a/lib/CodeGen/CGObjCGNU.cpp
+++ b/lib/CodeGen/CGObjCGNU.cpp
@@ -130,6 +130,8 @@ public:
                              const ObjCAtThrowStmt &S);
   virtual void EmitSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
                                     const ObjCAtSynchronizedStmt &S);
+  virtual llvm::Value * EmitObjCWeakCall(CodeGen::CodeGenFunction &CGF,
+                                         llvm::Value *AddrWeakObj);
 };
 } // end anonymous namespace
 
@@ -968,6 +970,12 @@ void CGObjCGNU::EmitSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
   CGF.ErrorUnsupported(&S, "@synchronized statement");
 }
 
+llvm::Value * CGObjCGNU::EmitObjCWeakCall(CodeGen::CodeGenFunction &CGF,
+                                          llvm::Value *AddrWeakObj)
+{
+  return 0;
+}
+
 CodeGen::CGObjCRuntime *CodeGen::CreateGNUObjCRuntime(CodeGen::CodeGenModule &CGM){
   return new CGObjCGNU(CGM);
 }