1 // RUN: %clang_cc1 -verify -fopenmp %s
2 
3 void foo() {
4 }
5 
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, int ST> // expected-note {{declared here}}
13 T tmain(T argc, S **argv) {                   //expected-note 2 {{declared here}}
14 #pragma omp target parallel for ordered
15   for (int i = ST; i < N; i++)
16     argv[0][i] = argv[0][i] - argv[0][i - ST];
17 #pragma omp target parallel for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
18   for (int i = ST; i < N; i++)
19     argv[0][i] = argv[0][i] - argv[0][i - ST];
20 #pragma omp target parallel for ordered() // expected-error {{expected expression}}
21   for (int i = ST; i < N; i++)
22     argv[0][i] = argv[0][i] - argv[0][i - ST];
23 // expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
24 // expected-error@+2 2 {{expression is not an integral constant expression}}
25 // expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
26 #pragma omp target parallel for ordered(argc
27   for (int i = ST; i < N; i++)
28     argv[0][i] = argv[0][i] - argv[0][i - ST];
29 // expected-error@+1 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
30 #pragma omp target parallel for ordered(ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
31   for (int i = ST; i < N; i++)
32     argv[0][i] = argv[0][i] - argv[0][i - ST];
33 #pragma omp target parallel for ordered(1)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
34   for (int i = ST; i < N; i++)
35     argv[0][i] = argv[0][i] - argv[0][i - ST];
36 #pragma omp target parallel for ordered((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'ordered' clause}}
37   for (int i = ST; i < N; i++)
38     argv[0][i] = argv[0][i] - argv[0][i - ST]; // expected-error 2 {{expected 2 for loops after '#pragma omp target parallel for', but found only 1}}
39 // expected-error@+3 2 {{directive '#pragma omp target parallel for' cannot contain more than one 'ordered' clause}}
40 // expected-error@+2 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
41 // expected-error@+1 2 {{expression is not an integral constant expression}}
42 #pragma omp target parallel for ordered(foobool(argc)), ordered(true), ordered(-5)
43   for (int i = ST; i < N; i++)
44     argv[0][i] = argv[0][i] - argv[0][i - ST];
45 #pragma omp target parallel for ordered(S) // expected-error {{'S' does not refer to a value}}
46   for (int i = ST; i < N; i++)
47     argv[0][i] = argv[0][i] - argv[0][i - ST];
48 // expected-error@+1 2 {{expression is not an integral constant expression}}
49 #pragma omp target parallel for ordered(argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
50   for (int i = ST; i < N; i++)
51     argv[0][i] = argv[0][i] - argv[0][i - ST];
52 #pragma omp target parallel for ordered(1)
53   for (int i = ST; i < N; i++)
54     argv[0][i] = argv[0][i] - argv[0][i - ST];
55 #pragma omp target parallel for ordered(N) // expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
56   for (T i = ST; i < N; i++)
57     argv[0][i] = argv[0][i] - argv[0][i - ST];
58 #pragma omp target parallel for ordered(2) // expected-note {{as specified in 'ordered' clause}}
59   foo();                            // expected-error {{expected 2 for loops after '#pragma omp target parallel for'}}
60   return argc;
61 }
62 
63 int main(int argc, char **argv) {
64 #pragma omp target parallel for ordered
65   for (int i = 4; i < 12; i++)
66     argv[0][i] = argv[0][i] - argv[0][i - 4];
67 #pragma omp target parallel for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
68   for (int i = 4; i < 12; i++)
69     argv[0][i] = argv[0][i] - argv[0][i - 4];
70 #pragma omp target parallel for ordered() // expected-error {{expected expression}}
71   for (int i = 4; i < 12; i++)
72     argv[0][i] = argv[0][i] - argv[0][i - 4];
73 #pragma omp target parallel for ordered(4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'ordered' clause}}
74   for (int i = 4; i < 12; i++)
75     argv[0][i] = argv[0][i] - argv[0][i - 4]; // expected-error {{expected 4 for loops after '#pragma omp target parallel for', but found only 1}}
76 #pragma omp target parallel for ordered(2 + 2))      // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}  expected-note {{as specified in 'ordered' clause}}
77   for (int i = 4; i < 12; i++)
78     argv[0][i] = argv[0][i] - argv[0][i - 4];            // expected-error {{expected 4 for loops after '#pragma omp target parallel for', but found only 1}}
79 #pragma omp target parallel for ordered(foobool(1) > 0 ? 1 : 2) // expected-error {{expression is not an integral constant expression}}
80   for (int i = 4; i < 12; i++)
81     argv[0][i] = argv[0][i] - argv[0][i - 4];
82 // expected-error@+3 {{expression is not an integral constant expression}}
83 // expected-error@+2 2 {{directive '#pragma omp target parallel for' cannot contain more than one 'ordered' clause}}
84 // expected-error@+1 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
85 #pragma omp target parallel for ordered(foobool(argc)), ordered(true), ordered(-5)
86   for (int i = 4; i < 12; i++)
87     argv[0][i] = argv[0][i] - argv[0][i - 4];
88 #pragma omp target parallel for ordered(S1) // expected-error {{'S1' does not refer to a value}}
89   for (int i = 4; i < 12; i++)
90     argv[0][i] = argv[0][i] - argv[0][i - 4];
91 // expected-error@+1 {{expression is not an integral constant expression}}
92 #pragma omp target parallel for ordered(argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
93   for (int i = 4; i < 12; i++)
94     argv[0][i] = argv[0][i] - argv[0][i - 4];
95 // expected-error@+3 {{statement after '#pragma omp target parallel for' must be a for loop}}
96 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
97 #pragma omp target parallel for ordered(ordered(tmain < int, char, -1, -2 > (argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
98   foo();
99 #pragma omp target parallel for ordered(2) // expected-note {{as specified in 'ordered' clause}}
100   foo();                            // expected-error {{expected 2 for loops after '#pragma omp target parallel for'}}
101   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
102   return tmain<int, char, 1, 0>(argc, argv);
103 }
104 
105