parallel_for_num_threads_messages.cpp
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// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wuninitialized
// RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
void foo() {
}
bool foobool(int argc) {
return argc;
}
struct S1; // expected-note {{declared here}}
template <class T, typename S, int N> // expected-note {{declared here}}
T tmain(T argc, S **argv) {
T i, z;
#pragma omp parallel for num_threads // expected-error {{expected '(' after 'num_threads'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads () // expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads ((argc > 0) ? argv[1] : argv[2]) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'char *'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp parallel for' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (S) // expected-error {{'S' does not refer to a value}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error 2 {{expression must have integral or unscoped enumeration type, not 'char *'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (argc+z)
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (N) // expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
for (i = 0; i < argc; ++i) foo();
return argc;
}
int main(int argc, char **argv) {
int i, z;
#pragma omp parallel for num_threads // expected-error {{expected '(' after 'num_threads'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads () // expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (z-argc)) // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (argc > 0 ? argv[1] : argv[2]) // expected-error {{integral }}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (foobool(argc)), num_threads (true), num_threads (-5) // expected-error 2 {{directive '#pragma omp parallel for' cannot contain more than one 'num_threads' clause}} expected-error {{argument to 'num_threads' clause must be a strictly positive integer value}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (S1) // expected-error {{'S1' does not refer to a value}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp parallel for num_threads (num_threads(tmain<int, char, -1>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}} expected-note {{in instantiation of function template specialization 'tmain<int, char, -1>' requested here}}
for (i = 0; i < argc; ++i) foo();
return tmain<int, char, 3>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<int, char, 3>' requested here}}
}