1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4 
5 void xxx(int argc) {
6   int x; // expected-note {{initialize the variable 'x' to silence this warning}}
7 #pragma omp master
8   argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
9 }
10 
11 int foo();
12 
13 int main() {
14   #pragma omp master
15   ;
16   #pragma omp master nowait // expected-error {{unexpected OpenMP clause 'nowait' in directive '#pragma omp master'}}
17   #pragma omp master unknown // expected-warning {{extra tokens at the end of '#pragma omp master' are ignored}}
18   foo();
19   {
20     #pragma omp master
21   } // expected-error {{expected statement}}
22   #pragma omp for
23   for (int i = 0; i < 10; ++i) {
24     foo();
25     #pragma omp master // expected-error {{region cannot be closely nested inside 'for' region}}
26     foo();
27   }
28   #pragma omp sections
29   {
30     foo();
31     #pragma omp master // expected-error {{region cannot be closely nested inside 'sections' region}}
32     foo();
33   }
34   #pragma omp single
35   for (int i = 0; i < 10; ++i) {
36     foo();
37     #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'}}
38     foo();
39   }
40   #pragma omp master
41   for (int i = 0; i < 10; ++i) {
42     foo();
43     #pragma omp master
44     foo();
45   }
46   #pragma omp for ordered
47   for (int i = 0; i < 10; ++i)
48   #pragma omp master // expected-error {{region cannot be closely nested inside 'for' region}}
49   {
50     foo();
51   }
52 
53   return 0;
54 }
55 
56 int foo() {
57   L1: // expected-note {{jump exits scope of OpenMP structured block}}
58     foo();
59   #pragma omp master
60   {
61     foo();
62     goto L1; // expected-error {{cannot jump from this goto statement to its label}}
63   }
64   goto L2; // expected-error {{cannot jump from this goto statement to its label}}
65   #pragma omp master
66   { // expected-note {{jump bypasses OpenMP structured block}}
67     L2:
68     foo();
69   }
70 
71   return 0;
72 }
73