libgomp/testsuite/libgomp.c/pr46886.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O -ftree-parallelize-loops=4 -fno-tree-ch -fno-tree-dominator-opts" } */
   3
   4 void abort(void);
   5
   6 int d[1024], e[1024];
   7
   8 int foo (void)
   9 {
  10   int s = 0;
  11   int i;
  12   for (i = 0; i < 1024; i++)
  13     s += d[i] - e[i];
  14   return s;
  15 }
  16
  17 int main ()
  18 {
  19   int i;
  20   for (i = 0; i < 1024; i++)
  21     {
  22       d[i] = i * 2;
  23       e[i] = i;
  24     }
  25   if (foo () != 1023 * 1024 / 2)
  26     abort ();
  27   return 0;
  28 }