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
5void foo() {
6}
7
8#if __cplusplus >= 201103L
9// expected-note@+2 4 {{declared here}}
10#endif
11bool foobool(int argc) {
12  return argc;
13}
14
15struct S1; // expected-note {{declared here}}
16
17template <class T, typename S, int N, int ST> // expected-note {{declared here}}
18T tmain(T argc, S **argv) {                   //expected-note 2 {{declared here}}
19#pragma omp for ordered
20  for (int i = ST; i < N; i++)
21    argv[0][i] = argv[0][i] - argv[0][i - ST];
22#pragma omp 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 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 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 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 for ordered(1)) // expected-warning {{extra tokens at the end of '#pragma omp 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 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 for', but found only 1}}
44// expected-error@+6 2 {{directive '#pragma omp for' cannot contain more than one 'ordered' clause}}
45// expected-error@+5 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
46// expected-error@+4 2 {{expression is not an integral constant expression}}
47#if __cplusplus >= 201103L
48// expected-note@+2 2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
49#endif
50#pragma omp 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 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 <= 199711L
57// expected-error@+4 2 {{expression is not an integral constant expression}}
58#else
59// expected-error@+2 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
60#endif
61#pragma omp 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 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 for ordered(N-1) // expected-error 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
68  for (int i = ST; i < N; i++)
69    argv[0][i] = argv[0][i] - argv[0][i - ST];
70#pragma omp for ordered(N) // expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
71  for (T i = ST; i < N; i++)
72    argv[0][i] = argv[0][i] - argv[0][i - ST];
73#pragma omp for ordered(2) // expected-note {{as specified in 'ordered' clause}}
74  foo();                    // expected-error {{expected 2 for loops after '#pragma omp for'}}
75#pragma omp for ordered(N) collapse(N + 2) // expected-error {{the parameter of the 'ordered' clause must be greater than or equal to the parameter of the 'collapse' clause}} expected-note {{parameter of the 'collapse' clause}} expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
76  for (int i = ST; i < N; i++)
77    for (int j = ST; j < N; j++)
78      for (int k = ST; k < N; k++)
79        foo();
80  return argc;
81}
82
83int main(int argc, char **argv) {
84#pragma omp for ordered
85  for (int i = 4; i < 12; i++)
86    argv[0][i] = argv[0][i] - argv[0][i - 4];
87#pragma omp for ordered( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
88  for (int i = 4; i < 12; i++)
89    argv[0][i] = argv[0][i] - argv[0][i - 4];
90#pragma omp for ordered() // expected-error {{expected expression}}
91  for (int i = 4; i < 12; i++)
92    argv[0][i] = argv[0][i] - argv[0][i - 4];
93#pragma omp for ordered(4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'ordered' clause}}
94  for (int i = 4; i < 12; i++)
95    argv[0][i] = argv[0][i] - argv[0][i - 4]; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
96#pragma omp for ordered(2 + 2))              // expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}}  expected-note {{as specified in 'ordered' clause}}
97  for (int i = 4; i < 12; i++)
98    argv[0][i] = argv[0][i] - argv[0][i - 4];    // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
99// expected-error@+4 {{expression is not an integral constant expression}}
100#if __cplusplus >= 201103L
101// expected-note@+2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
102#endif
103#pragma omp for ordered(foobool(1) > 0 ? 1 : 2)
104  for (int i = 4; i < 12; i++)
105    argv[0][i] = argv[0][i] - argv[0][i - 4];
106// expected-error@+6 {{expression is not an integral constant expression}}
107#if __cplusplus >= 201103L
108// expected-note@+4 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
109#endif
110// expected-error@+2 2 {{directive '#pragma omp for' cannot contain more than one 'ordered' clause}}
111// expected-error@+1 2 {{argument to 'ordered' clause must be a strictly positive integer value}}
112#pragma omp for ordered(foobool(argc)), ordered(true), ordered(-5)
113  for (int i = 4; i < 12; i++)
114    argv[0][i] = argv[0][i] - argv[0][i - 4];
115#pragma omp for ordered(S1) // expected-error {{'S1' does not refer to a value}}
116  for (int i = 4; i < 12; i++)
117    argv[0][i] = argv[0][i] - argv[0][i - 4];
118#if __cplusplus <= 199711L
119// expected-error@+4 {{expression is not an integral constant expression}}
120#else
121// expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
122#endif
123#pragma omp for ordered(argv[1] = 2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
124  for (int i = 4; i < 12; i++)
125    argv[0][i] = argv[0][i] - argv[0][i - 4];
126// expected-error@+3 {{statement after '#pragma omp for' must be a for loop}}
127// expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
128#pragma omp for ordered(ordered(tmain < int, char, -1, -2 > (argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
129  foo();
130#pragma omp for ordered(2) // expected-note {{as specified in 'ordered' clause}}
131  foo();                    // expected-error {{expected 2 for loops after '#pragma omp for'}}
132#pragma omp for ordered(0)              // expected-error {{argument to 'ordered' clause must be a strictly positive integer value}}
133  for (int i = 4; i < 12; i++)
134    argv[0][i] = argv[0][i] - argv[0][i - 4];
135#pragma omp for ordered(2) collapse(3) // expected-error {{the parameter of the 'ordered' clause must be greater than or equal to the parameter of the 'collapse' clause}} expected-note {{parameter of the 'collapse' clause}}
136  for (int i = 0; i < 10; i++)
137    for (int j = 0; j < 11; j++)
138      for (int k = 0; k < 12; k++)
139        foo();
140  // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
141  return tmain<int, char, 1, 0>(argc, argv);
142}
143
144