xref: /aosp_15_r20/external/clang/test/SemaObjC/gc-attributes.m (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -fsyntax-only -verify %s
2*67e74705SXin Li
3*67e74705SXin Li@interface A
4*67e74705SXin Li@end
5*67e74705SXin Li
6*67e74705SXin Livoid f0(__strong A**); // expected-note{{passing argument to parameter here}}
7*67e74705SXin Li
8*67e74705SXin Livoid test_f0() {
9*67e74705SXin Li  A *a;
10*67e74705SXin Li  static __weak A *a2;
11*67e74705SXin Li  f0(&a);
12*67e74705SXin Li  f0(&a2); // expected-warning{{passing 'A *__weak *' to parameter of type 'A *__strong *' discards qualifiers}}
13*67e74705SXin Li}
14*67e74705SXin Li
15*67e74705SXin Livoid f1(__weak A**); // expected-note{{passing argument to parameter here}}
16*67e74705SXin Li
17*67e74705SXin Livoid test_f1() {
18*67e74705SXin Li  A *a;
19*67e74705SXin Li  __strong A *a2;
20*67e74705SXin Li  f1(&a);
21*67e74705SXin Li  f1(&a2); // expected-warning{{passing 'A *__strong *' to parameter of type 'A *__weak *' discards qualifiers}}
22*67e74705SXin Li}
23*67e74705SXin Li
24*67e74705SXin Li// These qualifiers should silently expand to nothing in GC mode.
25*67e74705SXin Livoid test_unsafe_unretained(__unsafe_unretained id *x) {}
26*67e74705SXin Livoid test_autoreleasing(__autoreleasing id *x) {}
27