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 T i; 15 #pragma omp target 16 #pragma omp teams 17 #pragma omp distribute parallel for num_threads // expected-error {{expected '(' after 'num_threads'}} 18 for (i = 0; i < argc; ++i) foo(); 19 #pragma omp target 20 #pragma omp teams 21 #pragma omp distribute parallel for num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 22 for (i = 0; i < argc; ++i) foo(); 23 #pragma omp target 24 #pragma omp teams 25 #pragma omp distribute parallel for num_threads () // expected-error {{expected expression}} 26 for (i = 0; i < argc; ++i) foo(); 27 #pragma omp target 28 #pragma omp teams 29 #pragma omp distribute parallel for num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}} 30 for (i = 0; i < argc; ++i) foo(); 31 #pragma omp target 32 #pragma omp teams 33 #pragma omp distribute parallel for num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for' are ignored}} 34 for (i = 0; i < argc; ++i) foo(); 35 #pragma omp target 36 #pragma omp teams 37 #pragma omp distribute parallel for num_threads ((argc > 0) ? argv[1] : argv[2]) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'char *'}} 38 for (i = 0; i < argc; ++i) foo(); 39 #pragma omp target 40 #pragma omp teams 41 #pragma omp distribute parallel for num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp distribute parallel for' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}} 42 for (i = 0; i < argc; ++i) foo(); 43 #pragma omp target 44 #pragma omp teams 45 #pragma omp distribute parallel for num_threads (S) // expected-error {{'S' does not refer to a value}} 46 for (i = 0; i < argc; ++i) foo(); 47 #pragma omp target 48 #pragma omp teams 49 #pragma omp distribute parallel for 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 *'}} 50 for (i = 0; i < argc; ++i) foo(); 51 #pragma omp target 52 #pragma omp teams 53 #pragma omp distribute parallel for num_threads (argc) 54 for (i = 0; i < argc; ++i) foo(); 55 #pragma omp target 56 #pragma omp teams 57 #pragma omp distribute parallel for num_threads (N) // expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}} 58 for (i = 0; i < argc; ++i) foo(); 59 60 return argc; 61 } 62 63 int main(int argc, char **argv) { 64 int i; 65 #pragma omp target 66 #pragma omp teams 67 #pragma omp distribute parallel for num_threads // expected-error {{expected '(' after 'num_threads'}} 68 for (i = 0; i < argc; ++i) foo(); 69 #pragma omp target 70 #pragma omp teams 71 #pragma omp distribute parallel for num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 72 for (i = 0; i < argc; ++i) foo(); 73 #pragma omp target 74 #pragma omp teams 75 #pragma omp distribute parallel for num_threads () // expected-error {{expected expression}} 76 for (i = 0; i < argc; ++i) foo(); 77 #pragma omp target 78 #pragma omp teams 79 #pragma omp distribute parallel for num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}} 80 for (i = 0; i < argc; ++i) foo(); 81 #pragma omp target 82 #pragma omp teams 83 #pragma omp distribute parallel for num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for' are ignored}} 84 for (i = 0; i < argc; ++i) foo(); 85 #pragma omp target 86 #pragma omp teams 87 #pragma omp distribute parallel for num_threads (argc > 0 ? argv[1] : argv[2]) // expected-error {{integral }} 88 for (i = 0; i < argc; ++i) foo(); 89 #pragma omp target 90 #pragma omp teams 91 #pragma omp distribute parallel for num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp distribute parallel for' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}} 92 for (i = 0; i < argc; ++i) foo(); 93 #pragma omp target 94 #pragma omp teams 95 #pragma omp distribute parallel for num_threads (S1) // expected-error {{'S1' does not refer to a value}} 96 for (i = 0; i < argc; ++i) foo(); 97 #pragma omp target 98 #pragma omp teams 99 #pragma omp distribute parallel for 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 *'}} 100 for (i = 0; i < argc; ++i) foo(); 101 #pragma omp target 102 #pragma omp teams 103 #pragma omp distribute parallel for 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}} 104 for (i = 0; i < argc; ++i) foo(); 105 106 return tmain<int, char, 3>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<int, char, 3>' requested here}} 107 } 108
