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
16 #pragma omp teams
17 #pragma omp distribute parallel for num_threads // expected-error {{expected '(' after 'num_threads'}}
18 for (i = 0; i < argc; ++i) foo();
19 #pragma omp target
20 #pragma omp teams
21 #pragma omp distribute parallel for num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
22 for (i = 0; i < argc; ++i) foo();
23 #pragma omp target
24 #pragma omp teams
25 #pragma omp distribute parallel for num_threads () // expected-error {{expected expression}}
26 for (i = 0; i < argc; ++i) foo();
27 #pragma omp target
28 #pragma omp teams
29 #pragma omp distribute parallel for num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
30 for (i = 0; i < argc; ++i) foo();
31 #pragma omp target
32 #pragma omp teams
33 #pragma omp distribute parallel for num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for' are ignored}}
34 for (i = 0; i < argc; ++i) foo();
35 #pragma omp target
36 #pragma omp teams
37 #pragma omp distribute parallel for num_threads ((argc > 0) ? argv[1] : argv[2]) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'char *'}}
38 for (i = 0; i < argc; ++i) foo();
39 #pragma omp target
40 #pragma omp teams
41 #pragma omp distribute parallel for num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp distribute parallel for' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
42 for (i = 0; i < argc; ++i) foo();
43 #pragma omp target
44 #pragma omp teams
45 #pragma omp distribute parallel for num_threads (S) // expected-error {{'S' does not refer to a value}}
46 for (i = 0; i < argc; ++i) foo();
47 #pragma omp target
48 #pragma omp teams
49 #pragma omp distribute 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 *'}}
50 for (i = 0; i < argc; ++i) foo();
51 #pragma omp target
52 #pragma omp teams
53 #pragma omp distribute parallel for num_threads (argc)
54 for (i = 0; i < argc; ++i) foo();
55 #pragma omp target
56 #pragma omp teams
57 #pragma omp distribute parallel for num_threads (N) // expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
58 for (i = 0; i < argc; ++i) foo();
59
60 return argc;
61 }
62
main(int argc,char ** argv)63 int main(int argc, char **argv) {
64 int i;
65 #pragma omp target
66 #pragma omp teams
67 #pragma omp distribute parallel for num_threads // expected-error {{expected '(' after 'num_threads'}}
68 for (i = 0; i < argc; ++i) foo();
69 #pragma omp target
70 #pragma omp teams
71 #pragma omp distribute parallel for num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
72 for (i = 0; i < argc; ++i) foo();
73 #pragma omp target
74 #pragma omp teams
75 #pragma omp distribute parallel for num_threads () // expected-error {{expected expression}}
76 for (i = 0; i < argc; ++i) foo();
77 #pragma omp target
78 #pragma omp teams
79 #pragma omp distribute parallel for num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
80 for (i = 0; i < argc; ++i) foo();
81 #pragma omp target
82 #pragma omp teams
83 #pragma omp distribute parallel for num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for' are ignored}}
84 for (i = 0; i < argc; ++i) foo();
85 #pragma omp target
86 #pragma omp teams
87 #pragma omp distribute parallel for num_threads (argc > 0 ? argv[1] : argv[2]) // expected-error {{integral }}
88 for (i = 0; i < argc; ++i) foo();
89 #pragma omp target
90 #pragma omp teams
91 #pragma omp distribute parallel for num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp distribute parallel for' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
92 for (i = 0; i < argc; ++i) foo();
93 #pragma omp target
94 #pragma omp teams
95 #pragma omp distribute parallel for num_threads (S1) // expected-error {{'S1' does not refer to a value}}
96 for (i = 0; i < argc; ++i) foo();
97 #pragma omp target
98 #pragma omp teams
99 #pragma omp distribute 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 *'}}
100 for (i = 0; i < argc; ++i) foo();
101 #pragma omp target
102 #pragma omp teams
103 #pragma omp distribute 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}}
104 for (i = 0; i < argc; ++i) foo();
105
106 return tmain<int, char, 3>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<int, char, 3>' requested here}}
107 }
108