1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized
2
3 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
4
foo()5 void foo() {
6 }
7
foobool(int argc)8 bool foobool(int argc) {
9 return argc;
10 }
11
12 struct S1; // expected-note {{declared here}}
13
14 #define redef_num_threads(a, b) num_threads(a)
15
16 template <class T, typename S, int N> // expected-note {{declared here}}
17 T tmain(T argc, S **argv) {
18 T z;
19 #pragma omp target parallel num_threads // expected-error {{expected '(' after 'num_threads'}}
20 foo();
21 #pragma omp target parallel num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
22 foo();
23 #pragma omp target parallel num_threads () // expected-error {{expected expression}}
24 foo();
25 #pragma omp target parallel num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
26 foo();
27 #pragma omp target parallel num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
28 foo();
29 #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 *'}}
30 foo();
31 #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}}
32 foo();
33 #pragma omp target parallel num_threads (S) // expected-error {{'S' does not refer to a value}}
34 foo();
35 #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 *'}}
36 foo();
37 #pragma omp target parallel num_threads (argc + z)
38 foo();
39 #pragma omp target parallel num_threads (N) // expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
40 foo();
41 #pragma omp target parallel redef_num_threads (argc, argc)
42 foo();
43
44 return argc;
45 }
46
main(int argc,char ** argv)47 int main(int argc, char **argv) {
48 int z;
49 #pragma omp target parallel num_threads // expected-error {{expected '(' after 'num_threads'}}
50 foo();
51 #pragma omp target parallel num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
52 foo();
53 #pragma omp target parallel num_threads () // expected-error {{expected expression}}
54 foo();
55 #pragma omp target parallel num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
56 foo();
57 #pragma omp target parallel num_threads (z + argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
58 foo();
59 #pragma omp target parallel num_threads (argc > 0 ? argv[1] : argv[2]) // expected-error {{integral }}
60 foo();
61 #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}}
62 foo();
63 #pragma omp target parallel num_threads (S1) // expected-error {{'S1' does not refer to a value}}
64 foo();
65 #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 *'}}
66 foo();
67 #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}}
68 foo();
69 #pragma omp target parallel redef_num_threads (argc, argc)
70 foo();
71
72 return tmain<int, char, 3>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<int, char, 3>' requested here}}
73 }
74