gcc/testsuite/gcc.dg/graphite/pr81945.c

   1 /* PR tree-optimization/81945 */
   2 /* { dg-do compile { target pthread } } */
   3 /* { dg-options "-O3 -ftree-parallelize-loops=2 -floop-nest-optimize" } */
   4
   5 unsigned long int v;
   6
   7 void
   8 foo (int x, int y, long int *a)
   9 {
  10   do
  11     {
  12       int **b;
  13
  14       while (y != 0)
  15         ;
  16       v *= 2;
  17       **b = *a;
  18       ++x;
  19     }
  20   while (x < 1);
  21 }