1 // RUN: %clang_cc1 -verify -fopenmp -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 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 strictly 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 strictly positive integer value}} 35 {foo();} 36 37 return argc; 38 } 39 40 int 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 strictly 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
