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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++98 %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++11 %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++98 %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++11 %s -Wuninitialized
// expected-note@* 0+{{declared here}}
void foo() {
}
bool foobool(int argc) {
return argc;
}
struct S1;
template <class T, typename S, int N, int ST>
T tmain(T argc, S **argv) {
#pragma omp for collapse // expected-error {{expected '(' after 'collapse'}}
for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
#pragma omp for collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
#pragma omp for collapse () // expected-error {{expected expression}}
for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
// expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
#pragma omp for collapse (argc
for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
// expected-error@+1 2 {{argument to 'collapse' clause must be a strictly positive integer value}}
#pragma omp for collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
#pragma omp for collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}}
for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
#pragma omp for collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
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', but found only 1}}
// expected-error@+3 2 {{directive '#pragma omp for' cannot contain more than one 'collapse' clause}}
// expected-error@+2 {{argument to 'collapse' clause must be a strictly positive integer value}}
// expected-error@+1 2 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
#pragma omp for collapse (foobool(argc)), collapse (true), collapse (-5)
for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
#pragma omp for collapse (S) // expected-error {{'S' does not refer to a value}}
for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
#pragma omp for collapse (0xFFFFFFFFFFFFFFFF) // expected-error {{argument to 'collapse' clause requires a value that can be represented by a 64-bit}}
for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
#if __cplusplus <= 199711L
// expected-error@+4 2 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
#else
// expected-error@+2 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
#endif
#pragma omp for collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
#pragma omp for collapse (1)
for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
#pragma omp for collapse (N) // expected-error {{argument to 'collapse' clause must be a strictly positive integer value}}
for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
#pragma omp for collapse (2) // expected-note {{as specified in 'collapse' clause}}
foo(); // expected-error {{expected 2 for loops after '#pragma omp for'}}
return argc;
}
int main(int argc, char **argv) {
#pragma omp for collapse // expected-error {{expected '(' after 'collapse'}}
for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
#pragma omp for collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
#pragma omp for collapse () // expected-error {{expected expression}}
for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
#pragma omp for collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
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', but found only 1}}
#pragma omp for collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp for' are ignored}} expected-note {{as specified in 'collapse' clause}}
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', but found only 1}}
// expected-error@+1 {{integral constant expression}} expected-note@+1 0+{{constant expression}}
#pragma omp for collapse (foobool(1) > 0 ? 1 : 2)
for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
// expected-error@+3 {{integral constant expression}} expected-note@+3 0+{{constant expression}}
// expected-error@+2 2 {{directive '#pragma omp for' cannot contain more than one 'collapse' clause}}
// expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
#pragma omp for collapse (foobool(argc)), collapse (true), collapse (-5)
for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
#pragma omp for collapse (S1) // expected-error {{'S1' does not refer to a value}}
for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
#if __cplusplus <= 199711L
// expected-error@+4 {{integral constant expression}} expected-note@+4 0+{{constant expression}}
#else
// expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
#endif
#pragma omp for collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
// expected-error@+3 {{statement after '#pragma omp for' must be a for loop}}
// expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
#pragma omp for collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
foo();
#pragma omp for collapse (2) // expected-note {{as specified in 'collapse' clause}}
foo(); // expected-error {{expected 2 for loops after '#pragma omp for'}}
// expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
return tmain<int, char, 1, 0>(argc, argv);
}
void imperfectlyNestedLoops() {
#pragma omp for collapse(2) // expected-note {{as specified in 'collapse' clause}}
for (int i = 0; i < 10; ++i) { // expected-error {{expected 2 for loops after '#pragma omp for', but found only 1}}
for (int j = 0; j < 10; ++j)
;
for (int j = 0; j < 10; ++j)
;
}
#pragma omp for collapse(2) // expected-note {{as specified in 'collapse' clause}}
for (int i = 0; i < 10; ++i) { // expected-error {{expected 2 for loops after '#pragma omp for', but found only 1}}
{
for (int j = 0; j < 10; ++j)
;
for (int j = 0; j < 10; ++j)
;
}
{
for (int j = 0; j < 10; ++j)
;
for (int j = 0; j < 10; ++j)
;
}
}
#pragma omp for collapse(2) // omp45-note {{as specified in 'collapse' clause}}
for (int i = 0; i < 10; ++i) { // omp45-error {{expected 2 for loops after '#pragma omp for', but found only 1}}
int a, b, c;
for (int j = 0; j < 10; ++j)
;
{
for (int j = 0; j < 10; ++j)
;
for (int j = 0; j < 10; ++j)
;
}
}
}
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