1// RUN: %clang_cc1 %s -triple i386-unknown-unknown -fvisibility default -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-DEFAULT
2// RUN: %clang_cc1 %s -triple i386-unknown-unknown -fvisibility protected -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-PROTECTED
3// RUN: %clang_cc1 %s -triple i386-unknown-unknown -fvisibility hidden -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-HIDDEN
4
5// CHECK-DEFAULT: @g_def = global i32 0
6// CHECK-DEFAULT: @g_com = common global i32 0
7// CHECK-DEFAULT: @g_ext = external global i32
8// CHECK-DEFAULT: @g_deferred = internal global
9// CHECK-PROTECTED: @g_def = protected global i32 0
10// CHECK-PROTECTED: @g_com = common protected global i32 0
11// CHECK-PROTECTED: @g_ext = external global i32
12// CHECK-PROTECTED: @g_deferred = internal global
13// CHECK-HIDDEN: @g_def = hidden global i32 0
14// CHECK-HIDDEN: @g_com = common hidden global i32 0
15// CHECK-HIDDEN: @g_ext = external global i32
16// CHECK-HIDDEN: @g_deferred = internal global
17int g_com;
18int g_def = 0;
19extern int g_ext;
20static char g_deferred[] = "hello";
21
22// CHECK-DEFAULT: @test4 = hidden global i32 10
23// CHECK-PROTECTED: @test4 = hidden global i32 10
24// CHECK-HIDDEN: @test4 = hidden global i32 10
25
26// CHECK-DEFAULT-LABEL: define i32 @f_def()
27// CHECK-DEFAULT: declare void @f_ext()
28// CHECK-DEFAULT-LABEL: define internal void @f_deferred()
29// CHECK-PROTECTED-LABEL: define protected i32 @f_def()
30// CHECK-PROTECTED: declare void @f_ext()
31// CHECK-PROTECTED-LABEL: define internal void @f_deferred()
32// CHECK-HIDDEN-LABEL: define hidden i32 @f_def()
33// CHECK-HIDDEN: declare void @f_ext()
34// CHECK-HIDDEN-LABEL: define internal void @f_deferred()
35
36extern void f_ext(void);
37
38static void f_deferred(void) {
39}
40
41int f_def(void) {
42  f_ext();
43  f_deferred();
44  return g_com + g_def + g_ext + g_deferred[0];
45}
46
47// PR8457
48// CHECK-DEFAULT-LABEL: define void @test1(
49// CHECK-PROTECTED-LABEL: define void @test1(
50// CHECK-HIDDEN-LABEL: define void @test1(
51struct Test1 { int field; };
52void  __attribute__((visibility("default"))) test1(struct Test1 *v) { }
53
54// rdar://problem/8595231
55// CHECK-DEFAULT-LABEL: define void @test2()
56// CHECK-PROTECTED-LABEL: define void @test2()
57// CHECK-HIDDEN-LABEL: define void @test2()
58void test2(void);
59void __attribute__((visibility("default"))) test2(void) {}
60
61// CHECK-DEFAULT-LABEL: define hidden void @test3()
62// CHECK-PROTECTED-LABEL: define hidden void @test3()
63// CHECK-HIDDEN-LABEL: define hidden void @test3()
64extern void test3(void);
65__private_extern__ void test3(void) {}
66
67// Top of file.
68extern int test4;
69__private_extern__ int test4 = 10;
70
71// rdar://12399248
72// CHECK-DEFAULT-LABEL: define hidden void @test5()
73// CHECK-PROTECTED-LABEL: define hidden void @test5()
74// CHECK-HIDDEN-LABEL: define hidden void @test5()
75__attribute__((availability(macosx,introduced=10.5,deprecated=10.6)))
76__private_extern__ void test5(void) {}
77