xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/visibility.c (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338) 
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -triple i386-unknown-unknown -fvisibility default -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-DEFAULT
2*f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -triple i386-unknown-unknown -fvisibility protected -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-PROTECTED
3*f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -triple i386-unknown-unknown -fvisibility hidden -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-HIDDEN
4*f4a2713aSLionel Sambuc 
5*f4a2713aSLionel Sambuc // CHECK-DEFAULT: @g_def = global i32 0
6*f4a2713aSLionel Sambuc // CHECK-DEFAULT: @g_com = common global i32 0
7*f4a2713aSLionel Sambuc // CHECK-DEFAULT: @g_ext = external global i32
8*f4a2713aSLionel Sambuc // CHECK-DEFAULT: @g_deferred = internal global
9*f4a2713aSLionel Sambuc // CHECK-PROTECTED: @g_def = protected global i32 0
10*f4a2713aSLionel Sambuc // CHECK-PROTECTED: @g_com = common protected global i32 0
11*f4a2713aSLionel Sambuc // CHECK-PROTECTED: @g_ext = external global i32
12*f4a2713aSLionel Sambuc // CHECK-PROTECTED: @g_deferred = internal global
13*f4a2713aSLionel Sambuc // CHECK-HIDDEN: @g_def = hidden global i32 0
14*f4a2713aSLionel Sambuc // CHECK-HIDDEN: @g_com = common hidden global i32 0
15*f4a2713aSLionel Sambuc // CHECK-HIDDEN: @g_ext = external global i32
16*f4a2713aSLionel Sambuc // CHECK-HIDDEN: @g_deferred = internal global
17*f4a2713aSLionel Sambuc int g_com;
18*f4a2713aSLionel Sambuc int g_def = 0;
19*f4a2713aSLionel Sambuc extern int g_ext;
20*f4a2713aSLionel Sambuc static char g_deferred[] = "hello";
21*f4a2713aSLionel Sambuc 
22*f4a2713aSLionel Sambuc // CHECK-DEFAULT: @test4 = hidden global i32 10
23*f4a2713aSLionel Sambuc // CHECK-PROTECTED: @test4 = hidden global i32 10
24*f4a2713aSLionel Sambuc // CHECK-HIDDEN: @test4 = hidden global i32 10
25*f4a2713aSLionel Sambuc 
26*f4a2713aSLionel Sambuc // CHECK-DEFAULT-LABEL: define i32 @f_def()
27*f4a2713aSLionel Sambuc // CHECK-DEFAULT: declare void @f_ext()
28*f4a2713aSLionel Sambuc // CHECK-DEFAULT-LABEL: define internal void @f_deferred()
29*f4a2713aSLionel Sambuc // CHECK-PROTECTED-LABEL: define protected i32 @f_def()
30*f4a2713aSLionel Sambuc // CHECK-PROTECTED: declare void @f_ext()
31*f4a2713aSLionel Sambuc // CHECK-PROTECTED-LABEL: define internal void @f_deferred()
32*f4a2713aSLionel Sambuc // CHECK-HIDDEN-LABEL: define hidden i32 @f_def()
33*f4a2713aSLionel Sambuc // CHECK-HIDDEN: declare void @f_ext()
34*f4a2713aSLionel Sambuc // CHECK-HIDDEN-LABEL: define internal void @f_deferred()
35*f4a2713aSLionel Sambuc 
36*f4a2713aSLionel Sambuc extern void f_ext(void);
37*f4a2713aSLionel Sambuc 
f_deferred(void)38*f4a2713aSLionel Sambuc static void f_deferred(void) {
39*f4a2713aSLionel Sambuc }
40*f4a2713aSLionel Sambuc 
f_def(void)41*f4a2713aSLionel Sambuc int f_def(void) {
42*f4a2713aSLionel Sambuc   f_ext();
43*f4a2713aSLionel Sambuc   f_deferred();
44*f4a2713aSLionel Sambuc   return g_com + g_def + g_ext + g_deferred[0];
45*f4a2713aSLionel Sambuc }
46*f4a2713aSLionel Sambuc 
47*f4a2713aSLionel Sambuc // PR8457
48*f4a2713aSLionel Sambuc // CHECK-DEFAULT-LABEL: define void @test1(
49*f4a2713aSLionel Sambuc // CHECK-PROTECTED-LABEL: define void @test1(
50*f4a2713aSLionel Sambuc // CHECK-HIDDEN-LABEL: define void @test1(
51*f4a2713aSLionel Sambuc struct Test1 { int field; };
test1(struct Test1 * v)52*f4a2713aSLionel Sambuc void  __attribute__((visibility("default"))) test1(struct Test1 *v) { }
53*f4a2713aSLionel Sambuc 
54*f4a2713aSLionel Sambuc // rdar://problem/8595231
55*f4a2713aSLionel Sambuc // CHECK-DEFAULT-LABEL: define void @test2()
56*f4a2713aSLionel Sambuc // CHECK-PROTECTED-LABEL: define void @test2()
57*f4a2713aSLionel Sambuc // CHECK-HIDDEN-LABEL: define void @test2()
58*f4a2713aSLionel Sambuc void test2(void);
test2(void)59*f4a2713aSLionel Sambuc void __attribute__((visibility("default"))) test2(void) {}
60*f4a2713aSLionel Sambuc 
61*f4a2713aSLionel Sambuc // CHECK-DEFAULT-LABEL: define hidden void @test3()
62*f4a2713aSLionel Sambuc // CHECK-PROTECTED-LABEL: define hidden void @test3()
63*f4a2713aSLionel Sambuc // CHECK-HIDDEN-LABEL: define hidden void @test3()
64*f4a2713aSLionel Sambuc extern void test3(void);
test3(void)65*f4a2713aSLionel Sambuc __private_extern__ void test3(void) {}
66*f4a2713aSLionel Sambuc 
67*f4a2713aSLionel Sambuc // Top of file.
68*f4a2713aSLionel Sambuc extern int test4;
69*f4a2713aSLionel Sambuc __private_extern__ int test4 = 10;
70*f4a2713aSLionel Sambuc 
71*f4a2713aSLionel Sambuc // rdar://12399248
72*f4a2713aSLionel Sambuc // CHECK-DEFAULT-LABEL: define hidden void @test5()
73*f4a2713aSLionel Sambuc // CHECK-PROTECTED-LABEL: define hidden void @test5()
74*f4a2713aSLionel Sambuc // CHECK-HIDDEN-LABEL: define hidden void @test5()
75*f4a2713aSLionel Sambuc __attribute__((availability(macosx,introduced=10.5,deprecated=10.6)))
test5(void)76*f4a2713aSLionel Sambuc __private_extern__ void test5(void) {}
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