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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
// RUN: %clang_cc1 -fsyntax-only -verify %s
#if !__has_extension(statement_attributes_with_gnu_syntax)
#error "We should have statement attributes with GNU syntax support"
#endif
void foo(int i) {
__attribute__((unknown_attribute)); // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
__attribute__(()) {}
__attribute__(()) if (0) {}
__attribute__(()) for (;;);
__attribute__(()) do {
__attribute__(()) continue;
}
while (0)
;
__attribute__(()) while (0);
__attribute__(()) switch (i) {
__attribute__(()) case 0 :
__attribute__(()) default :
__attribute__(()) break;
}
__attribute__(()) goto here;
__attribute__(()) here :
__attribute__(()) return;
__attribute__((noreturn)) {} // expected-error {{'noreturn' attribute cannot be applied to a statement}}
__attribute__((noreturn)) if (0) {} // expected-error {{'noreturn' attribute cannot be applied to a statement}}
__attribute__((noreturn)) for (;;); // expected-error {{'noreturn' attribute cannot be applied to a statement}}
__attribute__((noreturn)) do { // expected-error {{'noreturn' attribute cannot be applied to a statement}}
__attribute__((unavailable)) continue; // expected-error {{'unavailable' attribute cannot be applied to a statement}}
}
while (0)
;
__attribute__((unknown_attribute)) while (0); // expected-warning {{unknown attribute 'unknown_attribute' ignored}}
__attribute__((unused)) switch (i) { // expected-error {{'unused' attribute cannot be applied to a statement}}
__attribute__((uuid)) case 0: // expected-warning {{unknown attribute 'uuid' ignored}}
__attribute__((visibility(""))) default: // expected-error {{'visibility' attribute cannot be applied to a statement}}
__attribute__((carries_dependency)) break; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
}
__attribute__((fastcall)) goto there; // expected-error {{'fastcall' attribute cannot be applied to a statement}}
__attribute__((noinline)) there : // expected-warning {{'noinline' attribute only applies to functions and statements}}
__attribute__((weakref)) return; // expected-error {{'weakref' attribute only applies to variables and functions}}
__attribute__((carries_dependency)); // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
__attribute__((carries_dependency)) {} // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
__attribute__((carries_dependency)) if (0) {} // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
__attribute__((carries_dependency)) for (;;); // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
__attribute__((carries_dependency)) do { // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
__attribute__((carries_dependency)) continue; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}} ignored}}
}
while (0)
;
__attribute__((carries_dependency)) while (0); // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
__attribute__((carries_dependency)) switch (i) { // expected-error {{'carries_dependency' attribute cannot be applied to a statement}} ignored}}
__attribute__((carries_dependency)) case 0: // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
__attribute__((carries_dependency)) default: // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
__attribute__((carries_dependency)) break; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
}
__attribute__((carries_dependency)) goto here; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
__attribute__((carries_dependency)) return; // expected-error {{'carries_dependency' attribute cannot be applied to a statement}}
}
void bar(void);
void foobar(void) {
__attribute__((nomerge)) bar();
__attribute__(()) bar(); // expected-error {{expected identifier or '('}}
__attribute__((unused, nomerge)) bar(); // expected-error {{expected identifier or '('}}
__attribute__((nomerge, unused)) bar(); // expected-error {{expected identifier or '('}}
__attribute__((nomerge(1, 2))) bar(); // expected-error {{'nomerge' attribute takes no arguments}}
int x;
__attribute__((nomerge)) x = 10; // expected-warning {{'nomerge' attribute is ignored because there exists no call expression inside the statement}}
__attribute__((nomerge)) label : bar(); // expected-error {{'nomerge' attribute only applies to functions, statements and variables}}
}
int f(void);
__attribute__((nomerge)) static int (*fptr)(void);
__attribute__((nomerge)) static int i; // expected-warning {{'nomerge' attribute is ignored because 'i' is not a function pointer}}
struct buz {} __attribute__((nomerge)); // expected-error {{'nomerge' attribute only applies to functions, statements and variables}}
|
