1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s 2 foo()3 void foo() { 4 } 5 foobool(int argc)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}} tmain(T argc,S ** argv)13 T tmain(T argc, S **argv) { 14 T i; 15 #pragma omp target parallel for num_threads // expected-error {{expected '(' after 'num_threads'}} 16 for (i = 0; i < argc; ++i) foo(); 17 #pragma omp target parallel for num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 18 for (i = 0; i < argc; ++i) foo(); 19 #pragma omp target parallel for num_threads () // expected-error {{expected expression}} 20 for (i = 0; i < argc; ++i) foo(); 21 #pragma omp target parallel for num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}} 22 for (i = 0; i < argc; ++i) foo(); 23 #pragma omp target parallel for num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}} 24 for (i = 0; i < argc; ++i) foo(); 25 #pragma omp target parallel for num_threads ((argc > 0) ? argv[1] : argv[2]) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'char *'}} 26 for (i = 0; i < argc; ++i) foo(); 27 #pragma omp target parallel for num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp target parallel for' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}} 28 for (i = 0; i < argc; ++i) foo(); 29 #pragma omp target parallel for num_threads (S) // expected-error {{'S' does not refer to a value}} 30 for (i = 0; i < argc; ++i) foo(); 31 #pragma omp target 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 *'}} 32 for (i = 0; i < argc; ++i) foo(); 33 #pragma omp target parallel for num_threads (argc) 34 for (i = 0; i < argc; ++i) foo(); 35 #pragma omp target parallel for num_threads (N) // expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}} 36 for (i = 0; i < argc; ++i) foo(); 37 38 return argc; 39 } 40 main(int argc,char ** argv)41 int main(int argc, char **argv) { 42 int i; 43 #pragma omp target parallel for num_threads // expected-error {{expected '(' after 'num_threads'}} 44 for (i = 0; i < argc; ++i) foo(); 45 #pragma omp target parallel for num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 46 for (i = 0; i < argc; ++i) foo(); 47 #pragma omp target parallel for num_threads () // expected-error {{expected expression}} 48 for (i = 0; i < argc; ++i) foo(); 49 #pragma omp target parallel for num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}} 50 for (i = 0; i < argc; ++i) foo(); 51 #pragma omp target parallel for num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}} 52 for (i = 0; i < argc; ++i) foo(); 53 #pragma omp target parallel for num_threads (argc > 0 ? argv[1] : argv[2]) // expected-error {{integral }} 54 for (i = 0; i < argc; ++i) foo(); 55 #pragma omp target parallel for num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp target parallel for' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}} 56 for (i = 0; i < argc; ++i) foo(); 57 #pragma omp target parallel for num_threads (S1) // expected-error {{'S1' does not refer to a value}} 58 for (i = 0; i < argc; ++i) foo(); 59 #pragma omp target 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 *'}} 60 for (i = 0; i < argc; ++i) foo(); 61 #pragma omp target 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}} 62 for (i = 0; i < argc; ++i) foo(); 63 64 return tmain<int, char, 3>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<int, char, 3>' requested here}} 65 } 66