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 // RUN: %clang_cc1 -verify -fopenmp-simd %s
6 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 %s
7 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %s
8 
9 void foo() {
10 }
11 
12 #if __cplusplus >= 201103L
13 // expected-note@+2 4 {{declared here}}
14 #endif
15 bool foobool(int argc) {
16   return argc;
17 }
18 
19 struct S1; // expected-note {{declared here}}
20 
21 template <class T, typename S, int N, int ST> // expected-note {{declared here}}
22 T tmain(T argc, S **argv) {                   //expected-note 2 {{declared here}}
23 #pragma omp parallel for ordered
24   for (int i = ST; i < N; i++)
25     argv[0][i] = argv[0][i] - argv[0][i - ST];
26 #pragma omp parallel for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
27   for (int i = ST; i < N; i++)
28     argv[0][i] = argv[0][i] - argv[0][i - ST];
29 #pragma omp parallel for ordered() // expected-error {{expected expression}}
30   for (int i = ST; i < N; i++)
31     argv[0][i] = argv[0][i] - argv[0][i - ST];
32 // expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
33 // expected-error@+2 2 {{expression is not an integral constant expression}}
34 // expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
35 #pragma omp parallel for ordered(argc
36   for (int i = ST; i < N; i++)
37     argv[0][i] = argv[0][i] - argv[0][i - ST];
38 // expected-error@+1 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
39 #pragma omp parallel for ordered(ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
40   for (int i = ST; i < N; i++)
41     argv[0][i] = argv[0][i] - argv[0][i - ST];
42 #pragma omp parallel for ordered(1)) // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
43   for (int i = ST; i < N; i++)
44     argv[0][i] = argv[0][i] - argv[0][i - ST];
45 #pragma omp parallel for ordered((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'ordered' clause}}
46   for (int i = ST; i < N; i++)
47     argv[0][i] = argv[0][i] - argv[0][i - ST]; // expected-error 2 {{expected 2 for loops after '#pragma omp parallel for', but found only 1}}
48 // expected-error@+6 2 {{directive '#pragma omp parallel for' cannot contain more than one 'ordered' clause}}
49 // expected-error@+5 {{argument to 'ordered' clause must be a strictly positive integer value}}
50 // expected-error@+4 2 {{expression is not an integral constant expression}}
51 #if __cplusplus >= 201103L
52 // expected-note@+2 2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
53 #endif
54 #pragma omp parallel for ordered(foobool(argc)), ordered(true), ordered(-5)
55   for (int i = ST; i < N; i++)
56     argv[0][i] = argv[0][i] - argv[0][i - ST];
57 #pragma omp parallel for ordered(S) // expected-error {{'S' does not refer to a value}}
58   for (int i = ST; i < N; i++)
59     argv[0][i] = argv[0][i] - argv[0][i - ST];
60 #if __cplusplus <= 199711L
61 // expected-error@+4 2 {{expression is not an integral constant expression}}
62 #else
63 // expected-error@+2 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
64 #endif
65 #pragma omp parallel for ordered(argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
66   for (int i = ST; i < N; i++)
67     argv[0][i] = argv[0][i] - argv[0][i - ST];
68 #pragma omp parallel for ordered(1)
69   for (int i = ST; i < N; i++)
70     argv[0][i] = argv[0][i] - argv[0][i - ST];
71 #pragma omp parallel for ordered(N) // expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
72   for (T i = ST; i < N; i++)
73     argv[0][i] = argv[0][i] - argv[0][i - ST];
74 #pragma omp parallel for ordered(2) // expected-note {{as specified in 'ordered' clause}}
75   foo();                            // expected-error {{expected 2 for loops after '#pragma omp parallel for'}}
76   return argc;
77 }
78 
79 int main(int argc, char **argv) {
80 #pragma omp parallel for ordered
81   for (int i = 4; i < 12; i++)
82     argv[0][i] = argv[0][i] - argv[0][i - 4];
83 #pragma omp parallel for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
84   for (int i = 4; i < 12; i++)
85     argv[0][i] = argv[0][i] - argv[0][i - 4];
86 #pragma omp parallel for ordered() // expected-error {{expected expression}}
87   for (int i = 4; i < 12; i++)
88     argv[0][i] = argv[0][i] - argv[0][i - 4];
89 #pragma omp parallel for ordered(4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'ordered' clause}}
90   for (int i = 4; i < 12; i++)
91     argv[0][i] = argv[0][i] - argv[0][i - 4]; // expected-error {{expected 4 for loops after '#pragma omp parallel for', but found only 1}}
92 #pragma omp parallel for ordered(2 + 2))      // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}  expected-note {{as specified in 'ordered' clause}}
93   for (int i = 4; i < 12; i++)
94     argv[0][i] = argv[0][i] - argv[0][i - 4];            // expected-error {{expected 4 for loops after '#pragma omp parallel for', but found only 1}}
95 // expected-error@+4 {{expression is not an integral constant expression}}
96 #if __cplusplus >= 201103L
97 // expected-note@+2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
98 #endif
99 #pragma omp parallel for ordered(foobool(1) > 0 ? 1 : 2)
100   for (int i = 4; i < 12; i++)
101     argv[0][i] = argv[0][i] - argv[0][i - 4];
102 // expected-error@+6 {{expression is not an integral constant expression}}
103 #if __cplusplus >= 201103L
104 // expected-note@+4 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
105 #endif
106 // expected-error@+2 2 {{directive '#pragma omp parallel for' cannot contain more than one 'ordered' clause}}
107 // expected-error@+1 {{argument to 'ordered' clause must be a strictly positive integer value}}
108 #pragma omp parallel for ordered(foobool(argc)), ordered(true), ordered(-5)
109   for (int i = 4; i < 12; i++)
110     argv[0][i] = argv[0][i] - argv[0][i - 4];
111 #pragma omp parallel for ordered(S1) // expected-error {{'S1' does not refer to a value}}
112   for (int i = 4; i < 12; i++)
113     argv[0][i] = argv[0][i] - argv[0][i - 4];
114 #if __cplusplus <= 199711L
115 // expected-error@+4 {{expression is not an integral constant expression}}
116 #else
117 // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
118 #endif
119 #pragma omp parallel for ordered(argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
120   for (int i = 4; i < 12; i++)
121     argv[0][i] = argv[0][i] - argv[0][i - 4];
122 // expected-error@+3 {{statement after '#pragma omp parallel for' must be a for loop}}
123 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
124 #pragma omp parallel for ordered(ordered(tmain < int, char, -1, -2 > (argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
125   foo();
126 #pragma omp parallel for ordered(2) // expected-note {{as specified in 'ordered' clause}}
127   foo();                            // expected-error {{expected 2 for loops after '#pragma omp parallel for'}}
128   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
129   return tmain<int, char, 1, 0>(argc, argv);
130 }
131 
132