libgomp/testsuite/libgomp.oacc-c-c++-common/collapse-4.c

   1 /* { dg-do run } */
   2
   3 #include <string.h>
   4
   5 int
   6 main (void)
   7 {
   8   int l = 0;
   9   int b[3][3];
  10   int i, j;
  11
  12   memset (b, '\0', sizeof (b));
  13
  14 #pragma acc parallel copy(b[0:3][0:3]) copy(l)
  15     {
  16 #pragma acc loop collapse(2) reduction(+:l)
  17         for (i = 0; i < 2; i++)
  18           for (j = 0; j < 2; j++)
  19             if (b[i][j] != 16)
  20                   l += 1;
  21     }
  22
  23   if (l != 2 * 2)
  24     __builtin_abort();
  25
  26   return 0;
  27 }