xref: /llvm-project/offload/test/api/omp_target_memcpy_rect_async1.c (revision 330d8983d25d08580fc1642fea48b2473f47a9da)
1 // RUN: %libomptarget-compile-and-run-generic
2 
3 #include <omp.h>
4 #include <stdio.h>
5 #include <stdlib.h>
6 
7 #define NUM_DIMS 3
8 
main()9 int main() {
10   int d = omp_get_default_device();
11   int id = omp_get_initial_device();
12   int q[128], q2[128], i;
13   void *p;
14 
15   if (d < 0 || d >= omp_get_num_devices())
16     d = id;
17 
18   p = omp_target_alloc(130 * sizeof(int), d);
19   if (p == NULL)
20     return 0;
21 
22   if (omp_target_memcpy_rect_async(NULL, NULL, 0, 0, NULL, NULL, NULL, NULL,
23                                    NULL, d, id, 0, NULL) < 3 ||
24       omp_target_memcpy_rect_async(NULL, NULL, 0, 0, NULL, NULL, NULL, NULL,
25                                    NULL, id, d, 0, NULL) < 3 ||
26       omp_target_memcpy_rect_async(NULL, NULL, 0, 0, NULL, NULL, NULL, NULL,
27                                    NULL, id, id, 0, NULL) < 3)
28     abort();
29 
30   for (i = 0; i < 128; i++)
31     q[i] = 0;
32   if (omp_target_memcpy(p, q, 128 * sizeof(int), 0, 0, d, id) != 0)
33     abort();
34 
35   for (i = 0; i < 128; i++)
36     q[i] = i + 1;
37 
38   size_t volume[NUM_DIMS] = {1, 2, 3};
39   size_t dst_offsets[NUM_DIMS] = {0, 0, 0};
40   size_t src_offsets[NUM_DIMS] = {0, 0, 0};
41   size_t dst_dimensions[NUM_DIMS] = {3, 4, 5};
42   size_t src_dimensions[NUM_DIMS] = {2, 3, 4};
43 
44   if (omp_target_memcpy_rect_async(p, q, sizeof(int), NUM_DIMS, volume,
45                                    dst_offsets, src_offsets, dst_dimensions,
46                                    src_dimensions, d, id, 0, NULL) != 0)
47     abort();
48 
49 #pragma omp taskwait
50 
51   for (i = 0; i < 128; i++)
52     q2[i] = 0;
53   if (omp_target_memcpy(q2, p, 128 * sizeof(int), 0, 0, id, d) != 0)
54     abort();
55 
56   /* q2 is expected to contain: 1 2 3 0 0 5 6 7 0 0 .. 0  */
57   if (q2[0] != 1 || q2[1] != 2 || q2[2] != 3 || q2[3] != 0 || q2[4] != 0 ||
58       q2[5] != 5 || q2[6] != 6 || q2[7] != 7)
59     abort();
60   for (i = 8; i < 128; ++i)
61     if (q2[i] != 0)
62       abort();
63 
64   omp_target_free(p, d);
65   return 0;
66 }
67