1 // RUN: %clang_cc1 -verify -fopenmp=libiomp5 -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}}
13 T tmain(T argc, S **argv) {
14 T i;
15 #pragma omp parallel for num_threads // expected-error {{expected '(' after 'num_threads'}}
16 for (i = 0; i < argc; ++i) foo();
17 #pragma omp 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 parallel for num_threads () // expected-error {{expected expression}}
20 for (i = 0; i < argc; ++i) foo();
21 #pragma omp parallel for num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
22 for (i = 0; i < argc; ++i) foo();
23 #pragma omp parallel for num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
24 for (i = 0; i < argc; ++i) foo();
25 #pragma omp 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 parallel for num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp parallel for' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a positive integer value}}
28 for (i = 0; i < argc; ++i) foo();
29 #pragma omp 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 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 parallel for num_threads (argc)
34 for (i = 0; i < argc; ++i) foo();
35 #pragma omp parallel for num_threads (N) // expected-error {{argument to 'num_threads' clause must be a 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 parallel for num_threads // expected-error {{expected '(' after 'num_threads'}}
44 for (i = 0; i < argc; ++i) foo();
45 #pragma omp 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 parallel for num_threads () // expected-error {{expected expression}}
48 for (i = 0; i < argc; ++i) foo();
49 #pragma omp parallel for num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
50 for (i = 0; i < argc; ++i) foo();
51 #pragma omp parallel for num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
52 for (i = 0; i < argc; ++i) foo();
53 #pragma omp parallel for num_threads (argc > 0 ? argv[1] : argv[2]) // expected-error {{integral }}
54 for (i = 0; i < argc; ++i) foo();
55 #pragma omp parallel for num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp parallel for' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a positive integer value}}
56 for (i = 0; i < argc; ++i) foo();
57 #pragma omp 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 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 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