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

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

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

#define NUM_DIMS 3

int
main ()
{
  int d = omp_get_default_device ();
  int id = omp_get_initial_device ();
  int q[128], q2[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;

  if (omp_target_memcpy_rect_async (NULL, NULL, 0, 0, NULL, NULL, NULL, NULL,
				    NULL, d, id, 0, NULL) < 3
      || omp_target_memcpy_rect_async (NULL, NULL, 0, 0, NULL, NULL, NULL, NULL,
				       NULL, id, d, 0, NULL) < 3
      || omp_target_memcpy_rect_async (NULL, NULL, 0, 0, NULL, NULL, NULL, NULL,
				       NULL, id, id, 0, NULL) < 3)
    abort ();

  for (i = 0; i < 128; i++)
    q[i] = 0;
  if (omp_target_memcpy (p, q, 128 * sizeof (int), 0, 0, d, id) != 0)
    abort ();

  for (i = 0; i < 128; i++)
    q[i] = i + 1;

  size_t volume[NUM_DIMS] = { 1, 2, 3 };
  size_t dst_offsets[NUM_DIMS] = { 0, 0, 0 };
  size_t src_offsets[NUM_DIMS] = { 0, 0, 0 };
  size_t dst_dimensions[NUM_DIMS] = { 3, 4, 5 };
  size_t src_dimensions[NUM_DIMS] = { 2, 3, 4 };

  if (omp_target_memcpy_rect_async (p, q, sizeof (int), NUM_DIMS, volume,
				    dst_offsets, src_offsets, dst_dimensions,
				    src_dimensions, d, id, 0, NULL) != 0)
    abort ();

  #pragma omp taskwait

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

  /* q2 is expected to contain: 1 2 3 0 0 5 6 7 0 0 .. 0  */
  if (q2[0] != 1 || q2[1] != 2 || q2[2] !=3 || q2[3] != 0 || q2[4] != 0
      || q2[5] != 5 || q2[6] != 6 || q2[7] != 7)
    abort ();
  for (i = 8; i < 128; ++i)
    if (q2[i] != 0)
      abort ();

  omp_target_free (p, d);
  return 0;
}