xref: /aosp_15_r20/external/clang/test/Sema/attr-visibility.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -verify %s
2*67e74705SXin Li 
3*67e74705SXin Li void test0() __attribute__((visibility("default")));
4*67e74705SXin Li void test1() __attribute__((visibility("hidden")));
5*67e74705SXin Li void test2() __attribute__((visibility("internal")));
6*67e74705SXin Li 
7*67e74705SXin Li // rdar://problem/10753392
8*67e74705SXin Li void test3() __attribute__((visibility("protected"))); // expected-warning {{target does not support 'protected' visibility; using 'default'}}
9*67e74705SXin Li 
10*67e74705SXin Li struct __attribute__((visibility("hidden"))) test4; // expected-note {{previous attribute is here}}
11*67e74705SXin Li struct test4;
12*67e74705SXin Li struct __attribute__((visibility("default"))) test4; // expected-error {{visibility does not match previous declaration}}
13*67e74705SXin Li 
14*67e74705SXin Li struct test5;
15*67e74705SXin Li struct __attribute__((visibility("hidden"))) test5; // expected-note {{previous attribute is here}}
16*67e74705SXin Li struct __attribute__((visibility("default"))) test5; // expected-error {{visibility does not match previous declaration}}
17*67e74705SXin Li 
18*67e74705SXin Li void test6() __attribute__((visibility("hidden"), // expected-note {{previous attribute is here}}
19*67e74705SXin Li                             visibility("default"))); // expected-error {{visibility does not match previous declaration}}
20*67e74705SXin Li 
21*67e74705SXin Li extern int test7 __attribute__((visibility("default"))); // expected-note {{previous attribute is here}}
22*67e74705SXin Li extern int test7 __attribute__((visibility("hidden"))); // expected-error {{visibility does not match previous declaration}}
23*67e74705SXin Li 
24*67e74705SXin Li typedef int __attribute__((visibility("default"))) bar; // expected-warning {{'visibility' attribute ignored}}
25*67e74705SXin Li 
26*67e74705SXin Li int x __attribute__((type_visibility("default"))); // expected-error {{'type_visibility' attribute only applies to types and namespaces}}
27*67e74705SXin Li 
28*67e74705SXin Li int PR17105 __attribute__((visibility(hidden))); // expected-error {{'visibility' attribute requires a string}}
29