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