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 i, z;
17 #pragma omp target
18 #pragma omp teams
19 #pragma omp distribute parallel for simd num_threads // expected-error {{expected '(' after 'num_threads'}}
20   for (i = 0; i < argc; ++i) foo();
21 #pragma omp target
22 #pragma omp teams
23 #pragma omp distribute parallel for simd num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
24   for (i = 0; i < argc; ++i) foo();
25 #pragma omp target
26 #pragma omp teams
27 #pragma omp distribute parallel for simd num_threads () // expected-error {{expected expression}}
28   for (i = 0; i < argc; ++i) foo();
29 #pragma omp target
30 #pragma omp teams
31 #pragma omp distribute parallel for simd num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
32   for (i = 0; i < argc; ++i) foo();
33 #pragma omp target
34 #pragma omp teams
35 #pragma omp distribute parallel for simd num_threads (z + argc)) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for simd' are ignored}}
36   for (i = 0; i < argc; ++i) foo();
37 #pragma omp target
38 #pragma omp teams
39 #pragma omp distribute parallel for simd num_threads ((argc > 0) ? argv[1] : argv[2]) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'char *'}}
40   for (i = 0; i < argc; ++i) foo();
41 #pragma omp target
42 #pragma omp teams
43 #pragma omp distribute parallel for simd num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp distribute parallel for simd' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
44   for (i = 0; i < argc; ++i) foo();
45 #pragma omp target
46 #pragma omp teams
47 #pragma omp distribute parallel for simd num_threads (S) // expected-error {{'S' does not refer to a value}}
48   for (i = 0; i < argc; ++i) foo();
49 #pragma omp target
50 #pragma omp teams
51 #pragma omp distribute parallel for simd 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 *'}}
52   for (i = 0; i < argc; ++i) foo();
53 #pragma omp target
54 #pragma omp teams
55 #pragma omp distribute parallel for simd num_threads (argc)
56   for (i = 0; i < argc; ++i) foo();
57 #pragma omp target
58 #pragma omp teams
59 #pragma omp distribute parallel for simd num_threads (N) // expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
60   for (i = 0; i < argc; ++i) foo();
61 
62   return argc;
63 }
64 
main(int argc,char ** argv)65 int main(int argc, char **argv) {
66   int i, z;
67 #pragma omp target
68 #pragma omp teams
69 #pragma omp distribute parallel for simd num_threads // expected-error {{expected '(' after 'num_threads'}}
70   for (i = 0; i < argc; ++i) foo();
71 #pragma omp target
72 #pragma omp teams
73 #pragma omp distribute parallel for simd num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
74   for (i = 0; i < argc; ++i) foo();
75 #pragma omp target
76 #pragma omp teams
77 #pragma omp distribute parallel for simd num_threads () // expected-error {{expected expression}}
78   for (i = 0; i < argc; ++i) foo();
79 #pragma omp target
80 #pragma omp teams
81 #pragma omp distribute parallel for simd num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
82   for (i = 0; i < argc; ++i) foo();
83 #pragma omp target
84 #pragma omp teams
85 #pragma omp distribute parallel for simd num_threads (z/argc)) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for simd' are ignored}}
86   for (i = 0; i < argc; ++i) foo();
87 #pragma omp target
88 #pragma omp teams
89 #pragma omp distribute parallel for simd num_threads (argc > 0 ? argv[1] : argv[2]) // expected-error {{integral }}
90   for (i = 0; i < argc; ++i) foo();
91 #pragma omp target
92 #pragma omp teams
93 #pragma omp distribute parallel for simd num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp distribute parallel for simd' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
94   for (i = 0; i < argc; ++i) foo();
95 #pragma omp target
96 #pragma omp teams
97 #pragma omp distribute parallel for simd num_threads (S1) // expected-error {{'S1' does not refer to a value}}
98   for (i = 0; i < argc; ++i) foo();
99 #pragma omp target
100 #pragma omp teams
101 #pragma omp distribute parallel for simd 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 *'}}
102   for (i = 0; i < argc; ++i) foo();
103 #pragma omp target
104 #pragma omp teams
105 #pragma omp distribute parallel for simd 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}}
106   for (i = 0; i < argc; ++i) foo();
107 
108   return tmain<int, char, 3>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<int, char, 3>' requested here}}
109 }
110