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/* { dg-skip-if "" { *-*-* } { "-DACC_MEM_SHARED=1" } } */
#include <openacc.h>
#include <assert.h>
#define N 1024
struct mystr {
int *data;
};
static void
test (unsigned variant)
{
int arr[N];
struct mystr s;
s.data = arr;
acc_copyin (&s, sizeof (s));
acc_create (s.data, N * sizeof (int));
for (int i = 0; i < 20; i++)
{
if ((variant + i) % 1)
{
#pragma acc enter data attach(s.data)
}
else
acc_attach ((void **) &s.data);
if ((variant + i) % 2)
{
#pragma acc exit data detach(s.data)
}
else
acc_detach ((void **) &s.data);
}
assert (acc_is_present (arr, N * sizeof (int)));
assert (acc_is_present (&s, sizeof (s)));
acc_delete (arr, N * sizeof (int));
assert (!acc_is_present (arr, N * sizeof (int)));
acc_copyout (&s, sizeof (s));
assert (!acc_is_present (&s, sizeof (s)));
assert (s.data == arr);
}
int
main (int argc, char *argv[])
{
for (unsigned variant = 0; variant < 4; ++variant)
test (variant);
return 0;
}
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