target_parallel_messages.cpp
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// RUN: %clang_cc1 -verify -fopenmp -std=c++11 -o - %s -Wuninitialized
// RUN: not %clang_cc1 -fopenmp -std=c++11 -fopenmp-targets=aaa-bbb-ccc-ddd -o - %s 2>&1 | FileCheck %s
// RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -o - %s -Wuninitialized
// CHECK: error: OpenMP target is invalid: 'aaa-bbb-ccc-ddd'
void xxx(int argc) {
int x; // expected-note {{initialize the variable 'x' to silence this warning}}
#pragma omp target parallel
argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
}
void foo() {
}
static int pvt;
#pragma omp threadprivate(pvt)
#pragma omp target parallel // expected-error {{unexpected OpenMP directive '#pragma omp target parallel'}}
int main(int argc, char **argv) {
#pragma omp target parallel { // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
foo();
#pragma omp target parallel ( // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
foo();
#pragma omp target parallel [ // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
foo();
#pragma omp target parallel ] // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
foo();
#pragma omp target parallel ) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
foo();
#pragma omp target parallel } // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
foo();
#pragma omp target parallel
foo();
// expected-warning@+1 {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
#pragma omp target parallel unknown()
foo();
L1:
foo();
#pragma omp target parallel
;
#pragma omp target parallel
{
goto L1; // expected-error {{use of undeclared label 'L1'}}
argc++;
}
for (int i = 0; i < 10; ++i) {
switch(argc) {
case (0):
#pragma omp target parallel
{
foo();
break; // expected-error {{'break' statement not in loop or switch statement}}
continue; // expected-error {{'continue' statement not in loop statement}}
}
default:
break;
}
}
goto L2; // expected-error {{use of undeclared label 'L2'}}
#pragma omp target parallel
L2:
foo();
#pragma omp target parallel
{
return 1; // expected-error {{cannot return from OpenMP region}}
}
[[]] // expected-error {{an attribute list cannot appear here}}
#pragma omp target parallel
for (int n = 0; n < 100; ++n) {}
#pragma omp target parallel copyin(pvt) // expected-error {{unexpected OpenMP clause 'copyin' in directive '#pragma omp target parallel'}}
foo();
#pragma omp target parallel
{
#pragma omp cancel // expected-error {{one of 'for', 'parallel', 'sections' or 'taskgroup' is expected}}
#pragma omp cancellation point // expected-error {{one of 'for', 'parallel', 'sections' or 'taskgroup' is expected}}
#pragma omp cancel for // expected-error {{region cannot be closely nested inside 'target parallel' region}}
#pragma omp cancellation point for // expected-error {{region cannot be closely nested inside 'target parallel' region}}
#pragma omp cancel sections // expected-error {{region cannot be closely nested inside 'target parallel' region}}
#pragma omp cancellation point sections // expected-error {{region cannot be closely nested inside 'target parallel' region}}
#pragma omp cancel taskgroup // expected-error {{region cannot be closely nested inside 'target parallel' region}}
#pragma omp cancellation point taskgroup // expected-error {{region cannot be closely nested inside 'target parallel' region}}
#pragma omp cancel parallel
#pragma omp cancellation point parallel
}
return 0;
}