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/* { dg-do run } */
int x, *p = &x;
extern void abort (void);
void
f1 (int *q)
{
*q = 1;
#pragma omp flush
/* x, p, and *q are flushed */
/* because they are shared and accessible */
/* q is not flushed because it is not shared. */
}
void
f2 (int *q)
{
#pragma omp barrier
*q = 2;
#pragma omp barrier
/* a barrier implies a flush */
/* x, p, and *q are flushed */
/* because they are shared and accessible */
/* q is not flushed because it is not shared. */
}
int
g (int n)
{
int i = 1, j, sum = 0;
*p = 1;
#pragma omp parallel reduction(+: sum) num_threads(2)
{
f1 (&j);
/* i, n and sum were not flushed */
/* because they were not accessible in f1 */
/* j was flushed because it was accessible */
sum += j;
f2 (&j);
/* i, n, and sum were not flushed */
/* because they were not accessible in f2 */
/* j was flushed because it was accessible */
sum += i + j + *p + n;
}
return sum;
}
int
main ()
{
int result = g (10);
if (result != 30)
abort ();
return 0;
}
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