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 #define redef_num_threads(a, b) num_threads(a) 13 14 template <class T, typename S, int N> // expected-note {{declared here}} 15 T tmain(T argc, S **argv) { 16 #pragma omp target parallel num_threads // expected-error {{expected '(' after 'num_threads'}} 17 foo(); 18 #pragma omp target parallel num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 19 foo(); 20 #pragma omp target parallel num_threads () // expected-error {{expected expression}} 21 foo(); 22 #pragma omp target parallel num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}} 23 foo(); 24 #pragma omp target parallel num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}} 25 foo(); 26 #pragma omp target parallel num_threads ((argc > 0) ? argv[1] : argv[2]) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'char *'}} 27 foo(); 28 #pragma omp target parallel num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp target parallel' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}} 29 foo(); 30 #pragma omp target parallel num_threads (S) // expected-error {{'S' does not refer to a value}} 31 foo(); 32 #pragma omp target 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 *'}} 33 foo(); 34 #pragma omp target parallel num_threads (argc) 35 foo(); 36 #pragma omp target parallel num_threads (N) // expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}} 37 foo(); 38 #pragma omp target parallel redef_num_threads (argc, argc) 39 foo(); 40 41 return argc; 42 } 43 44 int main(int argc, char **argv) { 45 #pragma omp target parallel num_threads // expected-error {{expected '(' after 'num_threads'}} 46 foo(); 47 #pragma omp target parallel num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 48 foo(); 49 #pragma omp target parallel num_threads () // expected-error {{expected expression}} 50 foo(); 51 #pragma omp target parallel num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}} 52 foo(); 53 #pragma omp target parallel num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}} 54 foo(); 55 #pragma omp target parallel num_threads (argc > 0 ? argv[1] : argv[2]) // expected-error {{integral }} 56 foo(); 57 #pragma omp target parallel num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp target parallel' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}} 58 foo(); 59 #pragma omp target parallel num_threads (S1) // expected-error {{'S1' does not refer to a value}} 60 foo(); 61 #pragma omp target 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 *'}} 62 foo(); 63 #pragma omp target 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}} 64 foo(); 65 #pragma omp target parallel redef_num_threads (argc, argc) 66 foo(); 67 68 return tmain<int, char, 3>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<int, char, 3>' requested here}} 69 } 70
