1// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 %s
2
3void foo() {
4}
5
6bool foobool(int argc) {
7  return argc;
8}
9
10struct S1; // expected-note {{declared here}}
11
12template <class T, typename S, int N> // expected-note {{declared here}}
13T tmain(T argc, S **argv) {
14  #pragma omp parallel sections num_threads // expected-error {{expected '(' after 'num_threads'}}
15  {foo();}
16  #pragma omp parallel sections num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
17  {foo();}
18  #pragma omp parallel sections num_threads () // expected-error {{expected expression}}
19  {foo();}
20  #pragma omp parallel sections num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
21  {foo();}
22  #pragma omp parallel sections num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
23  {foo();}
24  #pragma omp parallel sections num_threads ((argc > 0) ? argv[1] : argv[2]) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'char *'}}
25  {foo();}
26  #pragma omp parallel sections num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp parallel sections' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a positive integer value}}
27  {foo();}
28  #pragma omp parallel sections num_threads (S) // expected-error {{'S' does not refer to a value}}
29  {foo();}
30  #pragma omp parallel sections num_threads (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error 2 {{expression must have integral or unscoped enumeration type, not 'char *'}}
31  {foo();}
32  #pragma omp parallel sections num_threads (argc)
33  {foo();}
34  #pragma omp parallel sections num_threads (N) // expected-error {{argument to 'num_threads' clause must be a positive integer value}}
35  {foo();}
36
37  return argc;
38}
39
40int main(int argc, char **argv) {
41  #pragma omp parallel sections num_threads // expected-error {{expected '(' after 'num_threads'}}
42  {foo();}
43  #pragma omp parallel sections num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
44  {foo();}
45  #pragma omp parallel sections num_threads () // expected-error {{expected expression}}
46  {foo();}
47  #pragma omp parallel sections num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
48  {foo();}
49  #pragma omp parallel sections num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
50  {foo();}
51  #pragma omp parallel sections num_threads (argc > 0 ? argv[1] : argv[2]) // expected-error {{integral }}
52  {foo();}
53  #pragma omp parallel sections num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp parallel sections' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a positive integer value}}
54  {foo();}
55  #pragma omp parallel sections num_threads (S1) // expected-error {{'S1' does not refer to a value}}
56  {foo();}
57  #pragma omp parallel sections num_threads (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
58  {foo();}
59  #pragma omp parallel sections num_threads (num_threads(tmain<int, char, -1>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}} expected-note {{in instantiation of function template specialization 'tmain<int, char, -1>' requested here}}
60  {foo();}
61
62  return tmain<int, char, 3>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<int, char, 3>' requested here}}
63}
64