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| // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
int foo();
void xxx(int argc) {
int x; // expected-note {{initialize the variable 'x' to silence this warning}}
#pragma omp critical
argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
}
template<typename T, int N>
int tmain(int argc, char **argv) { // expected-note {{declared here}}
#pragma omp critical
;
#pragma omp critical untied allocate(argc) // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp critical'}} expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp critical'}}
#pragma omp critical unknown // expected-warning {{extra tokens at the end of '#pragma omp critical' are ignored}}
#pragma omp critical ( // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp critical ( + // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp critical (name2 // expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp critical (name1)
foo();
{
#pragma omp critical
} // expected-error {{expected statement}}
#pragma omp critical (name2) // expected-note {{previous 'critical' region starts here}}
#pragma omp critical
for (int i = 0; i < 10; ++i) {
foo();
#pragma omp parallel
#pragma omp for
for (int j = 0; j < 10; j++) {
foo();
#pragma omp critical(name2) // expected-error {{cannot nest 'critical' regions having the same name 'name2'}}
foo();
}
}
#pragma omp critical (name2)
#pragma omp critical
for (int i = 0; i < 10; ++i) {
foo();
#pragma omp parallel
#pragma omp for
for (int j = 0; j < 10; j++) {
#pragma omp critical
foo();
}
}
#pragma omp critical (name2)
#pragma omp critical
for (int i = 0; i < 10; ++i) {
foo();
#pragma omp parallel
#pragma omp for
for (int j = 0; j < 10; j++) {
#pragma omp critical (nam)
foo();
}
}
#pragma omp critical (name2) hint // expected-error {{expected '(' after 'hint'}}
foo();
#pragma omp critical (name2) hint( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
foo();
#pragma omp critical (name2) hint(+ // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
foo();
#pragma omp critical (name2) hint(argc) // expected-error {{expression is not an integral constant expression}} expected-note {{read of non-const variable 'argc' is not allowed in a constant expression}}
foo();
#pragma omp critical (name) hint(N) // expected-error {{argument to 'hint' clause must be a strictly positive integer value}} expected-error {{constructs with the same name must have a 'hint' clause with the same value}} expected-note {{'hint' clause with value '4'}}
foo();
#pragma omp critical hint(N) // expected-error {{the name of the construct must be specified in presence of 'hint' clause}}
foo();
return 0;
}
int main(int argc, char **argv) { // expected-note {{declared here}}
#pragma omp critical
;
#pragma omp critical untied // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp critical'}}
#pragma omp critical unknown // expected-warning {{extra tokens at the end of '#pragma omp critical' are ignored}}
#pragma omp critical ( // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp critical ( + // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp critical (name2 // expected-error {{expected ')'}} expected-note {{to match this '('}}
#pragma omp critical (name1)
foo();
{
#pragma omp critical
} // expected-error {{expected statement}}
#pragma omp critical (name2) // expected-note {{previous 'critical' region starts here}}
#pragma omp critical
for (int i = 0; i < 10; ++i) {
foo();
#pragma omp parallel
#pragma omp for
for (int j = 0; j < 10; j++) {
foo();
#pragma omp critical(name2) // expected-error {{cannot nest 'critical' regions having the same name 'name2'}}
foo();
}
}
#pragma omp critical (name2)
#pragma omp critical
for (int i = 0; i < 10; ++i) {
foo();
#pragma omp parallel
#pragma omp for
for (int j = 0; j < 10; j++) {
#pragma omp critical
foo();
}
}
#pragma omp critical (name2)
#pragma omp critical
for (int i = 0; i < 10; ++i) {
foo();
#pragma omp parallel
#pragma omp for
for (int j = 0; j < 10; j++) {
#pragma omp critical (nam)
foo();
}
}
#pragma omp critical (name2) hint // expected-error {{expected '(' after 'hint'}}
foo();
#pragma omp critical (name2) hint( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
foo();
#pragma omp critical (name2) hint(+ // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
foo();
#pragma omp critical (name2) hint(argc) // expected-error {{expression is not an integral constant expression}} expected-note {{read of non-const variable 'argc' is not allowed in a constant expression}}
foo();
#pragma omp critical (name) hint(23) // expected-note {{previous 'hint' clause with value '23'}}
foo();
#pragma omp critical hint(-5) // expected-error {{argument to 'hint' clause must be a strictly positive integer value}}
foo();
#pragma omp critical hint(1) // expected-error {{the name of the construct must be specified in presence of 'hint' clause}}
foo();
return tmain<int, 4>(argc, argv) + tmain<float, -5>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<float, -5>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<int, 4>' requested here}}
}
int foo() {
L1:
foo();
#pragma omp critical
{
foo();
goto L1; // expected-error {{use of undeclared label 'L1'}}
}
goto L2; // expected-error {{use of undeclared label 'L2'}}
#pragma omp critical
{
L2:
foo();
}
return 0;
}
|