1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -std=c++11 -o - %s
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 -std=c++11 -o - %s
4 
5 void foo() {
6 }
7 
8 #pragma omp parallel // expected-error {{unexpected OpenMP directive '#pragma omp parallel'}}
9 
10 struct S;
11 S& bar();
12 int main(int argc, char **argv) {
13   S &s = bar();
14   #pragma omp parallel
15   (void)&s;
16   #pragma omp parallel { // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
17   foo();
18   #pragma omp parallel ( // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
19   foo();
20   #pragma omp parallel [ // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
21   foo();
22   #pragma omp parallel ] // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
23   foo();
24   #pragma omp parallel ) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
25   foo();
26   #pragma omp parallel } // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
27   foo();
28   #pragma omp parallel
29   // expected-warning@+1 {{extra tokens at the end of '#pragma omp parallel' are ignored}}
30   #pragma omp parallel unknown()
31   foo();
32   L1:
33     foo();
34   #pragma omp parallel ordered // expected-error {{unexpected OpenMP clause 'ordered' in directive '#pragma omp parallel'}}
35     ;
36   #pragma omp parallel
37   ;
38   #pragma omp parallel
39   {
40     goto L1; // expected-error {{use of undeclared label 'L1'}}
41     argc++;
42   }
43 
44   for (int i = 0; i < 10; ++i) {
45     switch(argc) {
46      case (0):
47       #pragma omp parallel
48       {
49         foo();
50         break; // expected-error {{'break' statement not in loop or switch statement}}
51         continue; // expected-error {{'continue' statement not in loop statement}}
52       }
53       default:
54        break;
55     }
56   }
57   #pragma omp parallel default(none)
58   ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
59 
60   goto L2; // expected-error {{use of undeclared label 'L2'}}
61   #pragma omp parallel
62   L2:
63   foo();
64   #pragma omp parallel
65   {
66     return 1; // expected-error {{cannot return from OpenMP region}}
67   }
68 
69   [[]] // expected-error {{an attribute list cannot appear here}}
70   #pragma omp parallel
71   for (int n = 0; n < 100; ++n) {}
72 
73   return 0;
74 }
75 
76