libgomp/testsuite/libgomp.c-c++-common/array-of-struct-2.c

   1 /* { dg-do run } */
   2
   3 #include <stdlib.h>
   4 #include <string.h>
   5 #include <assert.h>
   6
   7 #define N 16
   8
   9 /* NOTE: This test is the same as array-of-struct-1.c, except the fields of
  10    this struct are in a different order.  */
  11
  12 struct Z {
  13   int *ptr;
  14   int arr[N];
  15   int c;
  16 };
  17
  18 void
  19 foo (struct Z *zarr, int len)
  20 {
  21 #pragma omp target map(to:zarr, zarr[5].ptr) map(tofrom:zarr[5].ptr[0:len])
  22   {
  23     for (int i = 0; i < len; i++)
  24       zarr[5].ptr[i]++;
  25   }
  26
  27 #pragma omp target map(to:zarr) map(tofrom:zarr[4].arr[0:len])
  28   {
  29     for (int i = 0; i < len; i++)
  30       zarr[4].arr[i]++;
  31   }
  32
  33 #pragma omp target map (to:zarr[3].ptr) map(tofrom:zarr[3].ptr[0:len])
  34   {
  35     for (int i = 0; i < len; i++)
  36       zarr[3].ptr[i]++;
  37   }
  38
  39 #pragma omp target map(tofrom:zarr[2].arr[0:len])
  40   {
  41     for (int i = 0; i < len; i++)
  42       zarr[2].arr[i]++;
  43   }
  44 }
  45
  46 int main (int argc, char *argv[])
  47 {
  48   struct Z zs[10];
  49   memset (zs, 0, sizeof zs);
  50
  51   for (int i = 0; i < 10; i++)
  52     zs[i].ptr = (int *) calloc (N, sizeof (int));
  53
  54   foo (zs, N);
  55
  56   for (int i = 0; i < N; i++)
  57     {
  58       assert (zs[2].arr[i] == 1);
  59       assert (zs[4].arr[i] == 1);
  60       assert (zs[3].ptr[i] == 1);
  61       assert (zs[5].ptr[i] == 1);
  62     }
  63
  64   return 0;
  65 }