libgomp/testsuite/libgomp.c/collapse-1.c

   1 /* { dg-do run } */
   2
   3 #include <string.h>
   4 #include <stdlib.h>
   5
   6 int
   7 main (void)
   8 {
   9   int i, j, k, l = 0;
  10   int a[3][3][3];
  11
  12   memset (a, '\0', sizeof (a));
  13   #pragma omp parallel for collapse(4 - 1) schedule(static, 4)
  14     for (i = 0; i < 2; i++)
  15       for (j = 0; j < 2; j++)
  16         for (k = 0; k < 2; k++)
  17           a[i][j][k] = i + j * 4 + k * 16;
  18   #pragma omp parallel
  19     {
  20       #pragma omp for collapse(2) reduction(|:l) private(k)
  21         for (i = 0; i < 2; i++)
  22           for (j = 0; j < 2; j++)
  23             for (k = 0; k < 2; k++)
  24               if (a[i][j][k] != i + j * 4 + k * 16)
  25                 l = 1;
  26     }
  27   if (l)
  28     abort ();
  29   return 0;
  30 }