xref: /llvm-project/clang/test/OpenMP/teams_distribute_parallel_for_simd_num_threads_messages.cpp (revision a914888b49590a38f4571434ddf951c687889e56)
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}}
tmain(T argc,S ** argv)15 T tmain(T argc, S **argv) {
16   T i, k;
17 #pragma omp target
18 #pragma omp teams distribute parallel for simd num_threads // expected-error {{expected '(' after 'num_threads'}}
19   for (i = 0; i < argc; ++i) foo();
20 #pragma omp target
21 #pragma omp teams distribute parallel for simd 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 distribute parallel for simd num_threads () // expected-error {{expected expression}}
25   for (i = 0; i < argc; ++i) foo();
26 #pragma omp target
27 #pragma omp teams distribute parallel for simd num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
28   for (i = 0; i < argc; ++i) foo();
29 #pragma omp target
30 #pragma omp teams distribute parallel for simd num_threads (k)) // expected-warning {{extra tokens at the end of '#pragma omp teams distribute parallel for simd' are ignored}}
31   for (i = 0; i < argc; ++i) foo();
32 #pragma omp target
33 #pragma omp teams 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 *'}}
34   for (i = 0; i < argc; ++i) foo();
35 #pragma omp target
36 #pragma omp teams distribute parallel for simd num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp teams 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}}
37   for (i = 0; i < argc; ++i) foo();
38 #pragma omp target
39 #pragma omp teams distribute parallel for simd num_threads (S) // expected-error {{'S' does not refer to a value}}
40   for (i = 0; i < argc; ++i) foo();
41 #pragma omp target
42 #pragma omp teams 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 *'}}
43   for (i = 0; i < argc; ++i) foo();
44 #pragma omp target
45 #pragma omp teams distribute parallel for simd num_threads (argc)
46   for (i = 0; i < argc; ++i) foo();
47 #pragma omp target
48 #pragma omp teams distribute parallel for simd num_threads (N) // expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
49   for (i = 0; i < argc; ++i) foo();
50 
51   return argc;
52 }
53 
main(int argc,char ** argv)54 int main(int argc, char **argv) {
55   int i, k;
56 #pragma omp target
57 #pragma omp teams distribute parallel for simd num_threads // expected-error {{expected '(' after 'num_threads'}}
58   for (i = 0; i < argc; ++i) foo();
59 #pragma omp target
60 #pragma omp teams distribute parallel for simd num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
61   for (i = 0; i < argc; ++i) foo();
62 #pragma omp target
63 #pragma omp teams distribute parallel for simd num_threads () // expected-error {{expected expression}}
64   for (i = 0; i < argc; ++i) foo();
65 #pragma omp target
66 #pragma omp teams distribute parallel for simd num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
67   for (i = 0; i < argc; ++i) foo();
68 #pragma omp target
69 #pragma omp teams distribute parallel for simd num_threads (k)) // expected-warning {{extra tokens at the end of '#pragma omp teams distribute parallel for simd' are ignored}}
70   for (i = 0; i < argc; ++i) foo();
71 #pragma omp target
72 #pragma omp teams distribute parallel for simd num_threads (argc > 0 ? argv[1] : argv[2]) // expected-error {{integral }}
73   for (i = 0; i < argc; ++i) foo();
74 #pragma omp target
75 #pragma omp teams distribute parallel for simd num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp teams 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}}
76   for (i = 0; i < argc; ++i) foo();
77 #pragma omp target
78 #pragma omp teams distribute parallel for simd num_threads (S1) // expected-error {{'S1' does not refer to a value}}
79   for (i = 0; i < argc; ++i) foo();
80 #pragma omp target
81 #pragma omp teams 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 *'}}
82   for (i = 0; i < argc; ++i) foo();
83 #pragma omp target
84 #pragma omp teams 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}}
85   for (i = 0; i < argc; ++i) foo();
86 
87   return tmain<int, char, 3>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<int, char, 3>' requested here}}
88 }
89