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 #define redef_num_threads(a, b) num_threads(a)
13
14 template <class T, typename S, int N> // expected-note {{declared here}}
tmain(T argc,S ** argv)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
main(int argc,char ** argv)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