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// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -std=c++11 -o - %s
// RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 -std=c++11 -o - %s
void foo() {
}
#pragma omp parallel // expected-error {{unexpected OpenMP directive '#pragma omp parallel'}}
int a;
struct S;
S& bar();
int main(int argc, char **argv) {
S &s = bar();
#pragma omp parallel
(void)&s;
#pragma omp parallel { // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
foo();
#pragma omp parallel ( // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
foo();
#pragma omp parallel [ // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
foo();
#pragma omp parallel ] // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
foo();
#pragma omp parallel ) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
foo();
#pragma omp parallel } // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
foo();
#pragma omp parallel
// expected-warning@+1 {{extra tokens at the end of '#pragma omp parallel' are ignored}}
#pragma omp parallel unknown()
foo();
L1:
foo();
#pragma omp parallel ordered // expected-error {{unexpected OpenMP clause 'ordered' in directive '#pragma omp parallel'}}
;
#pragma omp parallel
;
#pragma omp parallel
{
goto L1; // expected-error {{use of undeclared label 'L1'}}
argc++;
}
for (int i = 0; i < 10; ++i) {
switch(argc) {
case (0):
#pragma omp parallel
{
foo();
break; // expected-error {{'break' statement not in loop or switch statement}}
continue; // expected-error {{'continue' statement not in loop statement}}
}
default:
break;
}
}
#pragma omp parallel default(none) // expected-note 2 {{explicit data sharing attribute requested here}}
{
++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
++a; // expected-error {{variable 'a' must have explicitly specified data sharing attributes}}
}
goto L2; // expected-error {{use of undeclared label 'L2'}}
#pragma omp parallel
L2:
foo();
#pragma omp parallel
{
return 1; // expected-error {{cannot return from OpenMP region}}
}
[[]] // expected-error {{an attribute list cannot appear here}}
#pragma omp parallel
for (int n = 0; n < 100; ++n) {}
return 0;
}
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