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 template <class T, typename S, int N> // expected-note {{declared here}}
15 T tmain(T argc, S **argv) {
16 T z;
17 #pragma omp parallel sections num_threads // expected-error {{expected '(' after 'num_threads'}}
18 {foo();}
19 #pragma omp parallel sections num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
20 {foo();}
21 #pragma omp parallel sections num_threads () // expected-error {{expected expression}}
22 {foo();}
23 #pragma omp parallel sections num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
24 {foo();}
25 #pragma omp parallel sections num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
26 {foo();}
27 #pragma omp parallel sections num_threads ((argc > 0) ? argv[1] : argv[2]) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'char *'}}
28 {foo();}
29 #pragma omp parallel sections num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp parallel sections' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
30 {foo();}
31 #pragma omp parallel sections num_threads (S) // expected-error {{'S' does not refer to a value}}
32 {foo();}
33 #pragma omp parallel sections 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 *'}}
34 {foo();}
35 #pragma omp parallel sections num_threads (argc + z)
36 {foo();}
37 #pragma omp parallel sections num_threads (N) // expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
38 {foo();}
39
40 return argc;
41 }
42
main(int argc,char ** argv)43 int main(int argc, char **argv) {
44 int z;
45 #pragma omp parallel sections num_threads // expected-error {{expected '(' after 'num_threads'}}
46 {foo();}
47 #pragma omp parallel sections num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
48 {foo();}
49 #pragma omp parallel sections num_threads () // expected-error {{expected expression}}
50 {foo();}
51 #pragma omp parallel sections num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
52 {foo();}
53 #pragma omp parallel sections num_threads (argc / z)) // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
54 {foo();}
55 #pragma omp parallel sections num_threads (argc > 0 ? argv[1] : argv[2]) // expected-error {{integral }}
56 {foo();}
57 #pragma omp parallel sections num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp parallel sections' 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 parallel sections num_threads (S1) // expected-error {{'S1' does not refer to a value}}
60 {foo();}
61 #pragma omp parallel sections 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 parallel sections 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
66 return tmain<int, char, 3>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<int, char, 3>' requested here}}
67 }
68