15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 %s
25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void foo() {
45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool foobool(int argc) {
75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  return argc;
85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct S1; // expected-note {{declared here}}
115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template <class T, typename S, int N> // expected-note {{declared here}}
135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)T tmain(T argc, S **argv) {
145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #pragma omp parallel num_threads // expected-error {{expected '(' after 'num_threads'}}
155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #pragma omp parallel num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #pragma omp parallel num_threads () // expected-error {{expected expression}}
175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #pragma omp parallel num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #pragma omp parallel num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #pragma omp parallel num_threads ((argc > 0) ? argv[1] : argv[2]) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'char *'}}
205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #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}}
215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #pragma omp parallel num_threads (S) // expected-error {{'S' does not refer to a value}}
225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #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 *'}}
235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #pragma omp parallel num_threads (argc)
245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #pragma omp parallel num_threads (N) // expected-error {{argument to 'num_threads' clause must be a positive integer value}}
255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  foo();
265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  return argc;
285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int main(int argc, char **argv) {
315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #pragma omp parallel num_threads // expected-error {{expected '(' after 'num_threads'}}
325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #pragma omp parallel num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
33b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)  #pragma omp parallel num_threads () // expected-error {{expected expression}}
34b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)  #pragma omp parallel num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
35b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)  #pragma omp parallel num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
36b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)  #pragma omp parallel num_threads (argc > 0 ? argv[1] : argv[2]) // expected-error {{integral }}
37b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)  #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}}
38b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)  #pragma omp parallel num_threads (S1) // expected-error {{'S1' does not refer to a value}}
39b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)  #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 *'}}
405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  #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}}
415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  foo();
425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  return tmain<int, char, 3>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<int, char, 3>' requested here}}
445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)