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
| // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
void xxx(int argc) {
int x; // expected-note {{initialize the variable 'x' to silence this warning}}
#pragma omp master
argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
}
int foo();
int main() {
#pragma omp master
;
#pragma omp master nowait // expected-error {{unexpected OpenMP clause 'nowait' in directive '#pragma omp master'}}
#pragma omp master unknown // expected-warning {{extra tokens at the end of '#pragma omp master' are ignored}}
foo();
{
#pragma omp master
} // expected-error {{expected statement}}
#pragma omp for
for (int i = 0; i < 10; ++i) {
foo();
#pragma omp master // expected-error {{region cannot be closely nested inside 'for' region}}
foo();
}
#pragma omp sections
{
foo();
#pragma omp master // expected-error {{region cannot be closely nested inside 'sections' region}}
foo();
}
#pragma omp single
for (int i = 0; i < 10; ++i) {
foo();
#pragma omp master allocate(i) // expected-error {{region cannot be closely nested inside 'single' region}} expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp master'}}
foo();
}
#pragma omp master
for (int i = 0; i < 10; ++i) {
foo();
#pragma omp master
foo();
}
#pragma omp for ordered
for (int i = 0; i < 10; ++i)
#pragma omp master // expected-error {{region cannot be closely nested inside 'for' region}}
{
foo();
}
return 0;
}
int foo() {
L1:
foo();
#pragma omp master
{
foo();
goto L1; // expected-error {{use of undeclared label 'L1'}}
}
goto L2; // expected-error {{use of undeclared label 'L2'}}
#pragma omp master
{
L2:
foo();
}
return 0;
}
|