1 // RUN: %clang_cc1 -verify -fopenmp %s
2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 %s
3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s
4 
5 void foo() {
6 }
7 
8 bool foobool(int argc) {
9 #if __cplusplus >= 201103L
10 // expected-note@-2 4 {{declared here}}
11 #endif
12   return argc;
13 }
14 
15 struct S1; // expected-note {{declared here}}
16 
17 template <class T, typename S, int N, int ST> // expected-note {{declared here}}
18 T tmain(T argc, S **argv) {                   //expected-note 2 {{declared here}}
19 #pragma omp target parallel for ordered
20   for (int i = ST; i < N; i++)
21     argv[0][i] = argv[0][i] - argv[0][i - ST];
22 #pragma omp target parallel for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
23   for (int i = ST; i < N; i++)
24     argv[0][i] = argv[0][i] - argv[0][i - ST];
25 #pragma omp target parallel for ordered() // expected-error {{expected expression}}
26   for (int i = ST; i < N; i++)
27     argv[0][i] = argv[0][i] - argv[0][i - ST];
28 // expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
29 // expected-error@+2 2 {{expression is not an integral constant expression}}
30 // expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
31 #pragma omp target parallel for ordered(argc
32   for (int i = ST; i < N; i++)
33     argv[0][i] = argv[0][i] - argv[0][i - ST];
34 // expected-error@+1 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
35 #pragma omp target parallel for ordered(ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
36   for (int i = ST; i < N; i++)
37     argv[0][i] = argv[0][i] - argv[0][i - ST];
38 #pragma omp target parallel for ordered(1)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
39   for (int i = ST; i < N; i++)
40     argv[0][i] = argv[0][i] - argv[0][i - ST];
41 #pragma omp target parallel for ordered((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'ordered' clause}}
42   for (int i = ST; i < N; i++)
43     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}}
44 #if __cplusplus >= 201103L
45 // expected-note@+5 2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
46 #endif
47 // expected-error@+3 2 {{directive '#pragma omp target parallel for' cannot contain more than one 'ordered' clause}}
48 // expected-error@+2 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
49 // expected-error@+1 2 {{expression is not an integral constant expression}}
50 #pragma omp target parallel for ordered(foobool(argc)), ordered(true), ordered(-5)
51   for (int i = ST; i < N; i++)
52     argv[0][i] = argv[0][i] - argv[0][i - ST];
53 #pragma omp target parallel for ordered(S) // expected-error {{'S' does not refer to a value}}
54   for (int i = ST; i < N; i++)
55     argv[0][i] = argv[0][i] - argv[0][i - ST];
56 #if __cplusplus >= 201103L
57   // expected-error@+4 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
58 #else
59   // expected-error@+2 2 {{expression is not an integral constant expression}}
60 #endif
61 #pragma omp target parallel for ordered(argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
62   for (int i = ST; i < N; i++)
63     argv[0][i] = argv[0][i] - argv[0][i - ST];
64 #pragma omp target parallel for ordered(1)
65   for (int i = ST; i < N; i++)
66     argv[0][i] = argv[0][i] - argv[0][i - ST];
67 #pragma omp target parallel for ordered(N) // expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
68   for (T i = ST; i < N; i++)
69     argv[0][i] = argv[0][i] - argv[0][i - ST];
70 #pragma omp target parallel for ordered(2) // expected-note {{as specified in 'ordered' clause}}
71   foo();                            // expected-error {{expected 2 for loops after '#pragma omp target parallel for'}}
72   return argc;
73 }
74 
75 int main(int argc, char **argv) {
76 #pragma omp target parallel for ordered
77   for (int i = 4; i < 12; i++)
78     argv[0][i] = argv[0][i] - argv[0][i - 4];
79 #pragma omp target parallel for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
80   for (int i = 4; i < 12; i++)
81     argv[0][i] = argv[0][i] - argv[0][i - 4];
82 #pragma omp target parallel for ordered() // expected-error {{expected expression}}
83   for (int i = 4; i < 12; i++)
84     argv[0][i] = argv[0][i] - argv[0][i - 4];
85 #pragma omp target parallel for ordered(4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'ordered' clause}}
86   for (int i = 4; i < 12; i++)
87     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}}
88 #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}}
89   for (int i = 4; i < 12; i++)
90     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}}
91 #if __cplusplus >= 201103L
92 // expected-note@+2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
93 #endif
94 #pragma omp target parallel for ordered(foobool(1) > 0 ? 1 : 2) // expected-error {{expression is not an integral constant expression}}
95   for (int i = 4; i < 12; i++)
96     argv[0][i] = argv[0][i] - argv[0][i - 4];
97 #if __cplusplus >= 201103L
98 // expected-note@+5 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
99 #endif
100 // expected-error@+3 {{expression is not an integral constant expression}}
101 // expected-error@+2 2 {{directive '#pragma omp target parallel for' cannot contain more than one 'ordered' clause}}
102 // expected-error@+1 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
103 #pragma omp target parallel for ordered(foobool(argc)), ordered(true), ordered(-5)
104   for (int i = 4; i < 12; i++)
105     argv[0][i] = argv[0][i] - argv[0][i - 4];
106 #pragma omp target parallel for ordered(S1) // expected-error {{'S1' does not refer to a value}}
107   for (int i = 4; i < 12; i++)
108     argv[0][i] = argv[0][i] - argv[0][i - 4];
109 #if __cplusplus >= 201103L
110   // expected-error@+4 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
111 #else
112   // expected-error@+2 {{expression is not an integral constant expression}}
113 #endif
114 #pragma omp target parallel for ordered(argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
115   for (int i = 4; i < 12; i++)
116     argv[0][i] = argv[0][i] - argv[0][i - 4];
117 // expected-error@+3 {{statement after '#pragma omp target parallel for' must be a for loop}}
118 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
119 #pragma omp target parallel for ordered(ordered(tmain < int, char, -1, -2 > (argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
120   foo();
121 #pragma omp target parallel for ordered(2) // expected-note {{as specified in 'ordered' clause}}
122   foo();                            // expected-error {{expected 2 for loops after '#pragma omp target parallel for'}}
123   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
124   return tmain<int, char, 1, 0>(argc, argv);
125 }
126 
127