gcc/libgomp/testsuite/libgomp.c-c++-common/target-memcpy-async-1.c

/* Test for omp_target_memcpy_async without considering dependence objects.  */

#include <omp.h>
#include <stdlib.h>

int
main ()
{
  int d = omp_get_default_device ();
  int id = omp_get_initial_device ();
  int q[128], i;
  void *p;

  if (d < 0 || d >= omp_get_num_devices ())
    d = id;

  p = omp_target_alloc (130 * sizeof (int), d);
  if (p == NULL)
    return 0;

  for (i = 0; i < 128; i++)
    q[i] = i;

  if (omp_target_memcpy_async (p, q, 128 * sizeof (int), sizeof (int), 0, d, id,
      0, NULL))
    abort ();

  #pragma omp taskwait

  int q2[128];
  for (i = 0; i < 128; ++i)
    q2[i] = 0;
  if (omp_target_memcpy_async (q2, p, 128 * sizeof(int), 0, sizeof (int), id, d,
      0, NULL))
    abort ();

  #pragma omp taskwait

  for (i = 0; i < 128; ++i)
    if (q2[i] != q[i])
      abort ();

  omp_target_free (p, d);

  return 0;
}