1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
3 struct S {
4   __attribute__((os_returns_retained)) S* method_returns_retained() {
5     return nullptr;
6   }
7 };
8 __attribute__((os_returns_retained)) S *ret_retained() {
9   return nullptr;
10 }
11 
12 __attribute__((os_returns_retained)) S ret_retained_value() { // expected-warning{{'os_returns_retained' attribute only applies to functions that return a pointer}}
13   return {};
14 }
15 
16 __attribute__((os_returns_not_retained)) S *ret_not_retained() {
17   return nullptr;
18 }
19 
20 __attribute__((os_returns_not_retained)) S ret_not_retained_value() { // expected-warning{{'os_returns_not_retained' attribute only applies to functions that return a pointer}}
21   return {};
22 }
23 
24 void accept_consumed_arg(__attribute__((os_consumed)) S *arg) {}
25 
26 void accept_consumed_arg_by_value(__attribute__((os_consumed)) S arg) {} // expected-warning{{os_consumed attribute only applies to pointer parameters}}
27 
28 void accept_consumed_arg_no_extra_arg(__attribute__((os_consumed(10))) S *arg) {} // expected-error{{'os_consumed' attribute takes no arguments}}
29 
30 struct __attribute__((os_consumed)) NoAttrOnStruct {}; // expected-warning{{'os_consumed' attribute only applies to parameters}}
31 
32 __attribute__((os_returns_retained(10))) S* returns_retained_no_extra_arg() { // expected-error{{'os_returns_retained' attribute takes no arguments}}
33   return nullptr;
34 }
35 
36 struct __attribute__((os_returns_retained)) NoRetainAttrOnStruct {}; // expected-warning{{'os_returns_retained' attribute only applies to functions, Objective-C methods, and Objective-C properties}}
37 
38 __attribute__((os_returns_not_retained(10))) S* os_returns_no_retained_no_extra_args( S *arg) { // expected-error{{'os_returns_not_retained' attribute takes no arguments}}
39   return nullptr;
40 }
41 
42 struct __attribute__((os_returns_not_retained)) NoNotRetainedAttrOnStruct {}; // expected-warning{{'os_returns_not_retained' attribute only applies to functions, Objective-C methods, and Objective-C properties}}
43