xref: /llvm-project/clang/test/CodeGenObjC/arc-weak.m (revision 0f1c1be1968076d6f96f8a7bcc4a15cf195ecd97)
1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck %s
2
3__attribute((objc_root_class)) @interface A @end
4@interface B : A @end
5
6//   Ensure that type differences don't cause an assert here.
7void test0(__weak B **src) {
8  __weak A *dest = *src;
9}
10// CHECK-LABEL: define{{.*}} void @test0
11// CHECK:       [[SRC:%.*]] = alloca ptr, align 8
12// CHECK:       [[DEST:%.*]] = alloca ptr, align 8
13// CHECK:       [[T0:%.*]] = load ptr, ptr [[SRC]], align 8
14// CHECK-NEXT:  call void @llvm.objc.copyWeak(ptr [[DEST]], ptr [[T0]])
15// CHECK:       call void @llvm.objc.destroyWeak(ptr [[DEST]])
16