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