File: visibility.c

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (76 lines) | stat: -rw-r--r-- 2,908 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
// RUN: %clang_cc1 %s -triple i386-unknown-unknown -fvisibility default -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-DEFAULT
// RUN: %clang_cc1 %s -triple i386-unknown-unknown -fvisibility protected -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-PROTECTED
// RUN: %clang_cc1 %s -triple i386-unknown-unknown -fvisibility hidden -emit-llvm -o - | FileCheck %s -check-prefix=CHECK-HIDDEN

// CHECK-DEFAULT: @g_def ={{.*}} global i32 0
// CHECK-DEFAULT: @g_com ={{.*}} global i32 0
// CHECK-DEFAULT: @g_ext = external global i32
// CHECK-DEFAULT: @g_deferred = internal global
// CHECK-PROTECTED: @g_def = protected global i32 0
// CHECK-PROTECTED: @g_com = protected global i32 0
// CHECK-PROTECTED: @g_ext = external global i32
// CHECK-PROTECTED: @g_deferred = internal global
// CHECK-HIDDEN: @g_def = hidden global i32 0
// CHECK-HIDDEN: @g_com = hidden global i32 0
// CHECK-HIDDEN: @g_ext = external global i32
// CHECK-HIDDEN: @g_deferred = internal global
int g_com;
int g_def = 0;
extern int g_ext;
static char g_deferred[] = "hello";

// CHECK-DEFAULT: @test4 = hidden global i32 10
// CHECK-PROTECTED: @test4 = hidden global i32 10
// CHECK-HIDDEN: @test4 = hidden global i32 10

// CHECK-DEFAULT-LABEL: define{{.*}} i32 @f_def()
// CHECK-DEFAULT: declare void @f_ext()
// CHECK-DEFAULT-LABEL: define internal void @f_deferred()
// CHECK-PROTECTED-LABEL: define protected i32 @f_def()
// CHECK-PROTECTED: declare void @f_ext()
// CHECK-PROTECTED-LABEL: define internal void @f_deferred()
// CHECK-HIDDEN-LABEL: define hidden i32 @f_def()
// CHECK-HIDDEN: declare void @f_ext()
// CHECK-HIDDEN-LABEL: define internal void @f_deferred()

extern void f_ext(void);

static void f_deferred(void) {
}

int f_def(void) {
  f_ext();
  f_deferred();
  return g_com + g_def + g_ext + g_deferred[0];
}

// PR8457
// CHECK-DEFAULT-LABEL: define{{.*}} void @test1(
// CHECK-PROTECTED-LABEL: define{{.*}} void @test1(
// CHECK-HIDDEN-LABEL: define{{.*}} void @test1(
struct Test1 { int field; };
void  __attribute__((visibility("default"))) test1(struct Test1 *v) { }

// rdar://problem/8595231
// CHECK-DEFAULT-LABEL: define{{.*}} void @test2()
// CHECK-PROTECTED-LABEL: define{{.*}} void @test2()
// CHECK-HIDDEN-LABEL: define{{.*}} void @test2()
void test2(void);
void __attribute__((visibility("default"))) test2(void) {}

// CHECK-DEFAULT-LABEL: define hidden void @test3()
// CHECK-PROTECTED-LABEL: define hidden void @test3()
// CHECK-HIDDEN-LABEL: define hidden void @test3()
extern void test3(void);
__private_extern__ void test3(void) {}

// Top of file.
extern int test4;
__private_extern__ int test4 = 10;

// rdar://12399248
// CHECK-DEFAULT-LABEL: define hidden void @test5()
// CHECK-PROTECTED-LABEL: define hidden void @test5()
// CHECK-HIDDEN-LABEL: define hidden void @test5()
__attribute__((availability(macosx,introduced=10.5,deprecated=10.6)))
__private_extern__ void test5(void) {}