target_teams_messages.cpp
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// RUN: %clang_cc1 -verify -fopenmp -std=c++11 -o - %s -Wuninitialized
// RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -o - %s -Wuninitialized
void xxx(int argc) {
int x; // expected-note {{initialize the variable 'x' to silence this warning}}
#pragma omp target teams
argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
}
void foo() {
}
#pragma omp target teams // expected-error {{unexpected OpenMP directive '#pragma omp target teams'}}
int main(int argc, char **argv) {
#pragma omp target teams { // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
foo();
#pragma omp target teams ( // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
foo();
#pragma omp target teams [ // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
foo();
#pragma omp target teams ] // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
foo();
#pragma omp target teams ) // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
foo();
#pragma omp target teams } // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
foo();
#pragma omp target teams
foo();
#pragma omp target teams unknown() // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
foo();
L1:
foo();
#pragma omp target teams
;
#pragma omp target teams
{
goto L1; // expected-error {{use of undeclared label 'L1'}}
argc++;
}
for (int i = 0; i < 10; ++i) {
switch(argc) {
case (0):
#pragma omp target teams
{
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 target teams default(none) // expected-note {{explicit data sharing attribute requested here}}
++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
#pragma omp target teams default(none) // expected-note {{explicit data sharing attribute requested here}}
#pragma omp parallel num_threads(argc) // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
;
#pragma omp target teams default(none) // expected-note {{explicit data sharing attribute requested here}}
{
#pragma omp parallel num_threads(argc) // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
;
}
goto L2; // expected-error {{use of undeclared label 'L2'}}
#pragma omp target teams
L2:
foo();
#pragma omp target teams
{
return 1; // expected-error {{cannot return from OpenMP region}}
}
[[]] // expected-error {{an attribute list cannot appear here}}
#pragma omp target teams
for (int n = 0; n < 100; ++n) {}
return 0;
}