1// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s
2
3void foo() {
4}
5
6bool foobool(int argc) {
7  return argc;
8}
9
10struct S1; // expected-note {{declared here}}
11
12template <class T, typename S, int N> // expected-note {{declared here}}
13T 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
63int 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