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 simd collapse // expected-error {{expected '(' after 'collapse'}}
20  for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
21  #pragma omp for simd collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
22  for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
23  #pragma omp for simd collapse () // expected-error {{expected expression}}
24  for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
25  // expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
26  // expected-error@+2 2 {{expression is not an integral constant expression}}
27  // expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
28  #pragma omp for simd collapse (argc
29  for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
30  // expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
31  #pragma omp for simd collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
32  for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
33  #pragma omp for simd collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}
34  for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
35  #pragma omp for simd collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
36  for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; // expected-error 2 {{expected 2 for loops after '#pragma omp for simd', but found only 1}}
37  // expected-error@+6 2 {{directive '#pragma omp for simd' cannot contain more than one 'collapse' clause}}
38  // expected-error@+5 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
39  // expected-error@+4 2 {{expression is not an integral constant expression}}
40#if __cplusplus >= 201103L
41  // expected-note@+2 2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
42#endif
43  #pragma omp for simd collapse (foobool(argc)), collapse (true), collapse (-5)
44  for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
45  #pragma omp for simd collapse (S) // expected-error {{'S' does not refer to a value}}
46  for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
47#if __cplusplus <= 199711L
48  // expected-error@+4 2 {{expression is not an integral constant expression}}
49#else
50  // expected-error@+2 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
51#endif
52  #pragma omp for simd collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
53  for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
54  #pragma omp for simd collapse (1)
55  for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
56  #pragma omp for simd collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
57  for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
58  #pragma omp for simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
59  foo(); // expected-error {{expected 2 for loops after '#pragma omp for simd'}}
60  return argc;
61}
62
63int main(int argc, char **argv) {
64  #pragma omp for simd collapse // expected-error {{expected '(' after 'collapse'}}
65  for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
66  #pragma omp for simd collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
67  for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
68  #pragma omp for simd collapse () // expected-error {{expected expression}}
69  for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
70  #pragma omp for simd collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
71  for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; // expected-error {{expected 4 for loops after '#pragma omp for simd', but found only 1}}
72  #pragma omp for simd collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}  expected-note {{as specified in 'collapse' clause}}
73  for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; // expected-error {{expected 4 for loops after '#pragma omp for simd', but found only 1}}
74  // expected-error@+4 {{expression is not an integral constant expression}}
75#if __cplusplus >= 201103L
76  // expected-note@+2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
77#endif
78  #pragma omp for simd collapse (foobool(1) > 0 ? 1 : 2)
79  for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
80  // expected-error@+6 {{expression is not an integral constant expression}}
81#if __cplusplus >= 201103L
82  // expected-note@+4 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
83#endif
84  // expected-error@+2 2 {{directive '#pragma omp for simd' cannot contain more than one 'collapse' clause}}
85  // expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
86  #pragma omp for simd collapse (foobool(argc)), collapse (true), collapse (-5)
87  for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
88  #pragma omp for simd collapse (S1) // expected-error {{'S1' does not refer to a value}}
89  for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
90#if __cplusplus <= 199711L
91  // expected-error@+4 {{expression is not an integral constant expression}}
92#else
93  // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
94#endif
95  #pragma omp for simd collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
96  for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
97  // expected-error@+3 {{statement after '#pragma omp for simd' must be a for loop}}
98  // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
99  #pragma omp for simd collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
100  foo();
101  #pragma omp for simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
102  foo(); // expected-error {{expected 2 for loops after '#pragma omp for simd'}}
103  // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
104  return tmain<int, char, 1, 0>(argc, argv);
105}
106
107