1 // RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 %s 2 3 void foo() { 4 } 5 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}} 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 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
