1 // RUN: %clang_cc1 -verify -fopenmp=libiomp5 %s 2 3 void foo() { 4 } 5 6 bool foobool(int argc) { 7 return argc; 8 } 9 10 struct S1; // expected-note {{declared here}} 11 12 template <class T, typename S, int N, int ST> // expected-note {{declared here}} 13 T tmain(T argc, S **argv) { //expected-note 2 {{declared here}} 14 #pragma omp parallel for collapse // expected-error {{expected '(' after 'collapse'}} 15 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; 16 #pragma omp parallel for collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 17 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; 18 #pragma omp parallel for collapse () // expected-error {{expected expression}} 19 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; 20 // expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}} 21 // expected-error@+2 2 {{expression is not an integral constant expression}} 22 // expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}} 23 #pragma omp parallel for collapse (argc 24 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; 25 // expected-error@+1 2 {{argument to 'collapse' clause must be a positive integer value}} 26 #pragma omp parallel for collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}} 27 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; 28 #pragma omp parallel for collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}} 29 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; 30 #pragma omp parallel for collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}} 31 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}} 32 // expected-error@+3 2 {{directive '#pragma omp parallel for' cannot contain more than one 'collapse' clause}} 33 // expected-error@+2 2 {{argument to 'collapse' clause must be a positive integer value}} 34 // expected-error@+1 2 {{expression is not an integral constant expression}} 35 #pragma omp parallel for collapse (foobool(argc)), collapse (true), collapse (-5) 36 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; 37 #pragma omp parallel for collapse (S) // expected-error {{'S' does not refer to a value}} 38 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; 39 // expected-error@+1 2 {{expression is not an integral constant expression}} 40 #pragma omp parallel for collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}} 41 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; 42 #pragma omp parallel for collapse (1) 43 for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; 44 #pragma omp parallel for collapse (N) // expected-error {{argument to 'collapse' clause must be a positive integer value}} 45 for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST]; 46 #pragma omp parallel for collapse (2) // expected-note {{as specified in 'collapse' clause}} 47 foo(); // expected-error {{expected 2 for loops after '#pragma omp parallel for'}} 48 return argc; 49 } 50 51 int main(int argc, char **argv) { 52 #pragma omp parallel for collapse // expected-error {{expected '(' after 'collapse'}} 53 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; 54 #pragma omp parallel for collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} 55 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; 56 #pragma omp parallel for collapse () // expected-error {{expected expression}} 57 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; 58 #pragma omp parallel for collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}} 59 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}} 60 #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}} 61 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}} 62 #pragma omp parallel for collapse (foobool(1) > 0 ? 1 : 2) // expected-error {{expression is not an integral constant expression}} 63 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; 64 // expected-error@+3 {{expression is not an integral constant expression}} 65 // expected-error@+2 2 {{directive '#pragma omp parallel for' cannot contain more than one 'collapse' clause}} 66 // expected-error@+1 2 {{argument to 'collapse' clause must be a positive integer value}} 67 #pragma omp parallel for collapse (foobool(argc)), collapse (true), collapse (-5) 68 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; 69 #pragma omp parallel for collapse (S1) // expected-error {{'S1' does not refer to a value}} 70 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; 71 // expected-error@+1 {{expression is not an integral constant expression}} 72 #pragma omp parallel for collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}} 73 for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4]; 74 // expected-error@+3 {{statement after '#pragma omp parallel for' must be a for loop}} 75 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}} 76 #pragma omp parallel for collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}} 77 foo(); 78 #pragma omp parallel for collapse (2) // expected-note {{as specified in 'collapse' clause}} 79 foo(); // expected-error {{expected 2 for loops after '#pragma omp parallel for'}} 80 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}} 81 return tmain<int, char, 1, 0>(argc, argv); 82 } 83 84
