gcc/testsuite/gcc.dg/vect/pr59594.c

   1 /* PR tree-optimization/59594 */
   2
   3 #include "tree-vect.h"
   4
   5 #define N 1024
   6 int b[N + 2];
   7
   8 int
   9 main ()
  10 {
  11   int i;
  12   check_vect ();
  13   for (i = 0; i < N + 1; i++)
  14     {
  15       b[i] = i;
  16       asm ("");
  17     }
  18   for (i = N; i >= 0; i--)
  19     {
  20       b[i + 1] = b[i];
  21       b[i] = 1;
  22     }
  23   if (b[0] != 1)
  24     __builtin_abort ();
  25   for (i = 0; i < N; i++)
  26     if (b[i + 1] != i)
  27       __builtin_abort ();
  28   return 0;
  29 }
  30