/* { dg-do compile } */
/* { dg-require-effective-target vect_int } */

int a[2048];

void
f1 (int x, int y)
{
  int i;
  x &= -256;
  y &= -256;
  for (i = x + 256; i < y; i++)
    a[i]++;
}

void
f2 (int x, int y)
{
  int i;
  if (x & 31)
    __builtin_unreachable ();
  if (y & 31)
    __builtin_unreachable ();
  for (i = x + 256; i < x + y; i++)
    a[i]++;
}

void
f3 (int x, int y)
{
  int i;
  if (x % 256)
    __builtin_unreachable ();
  if (y % 256)
    __builtin_unreachable ();
  for (i = x + 256; i < x + y; i++)
    a[i]++;
}

void
f4 (int x, int y)
{
  int i;
  if ((x % 256) != 0)
    __builtin_unreachable ();
  if ((y % 256) != 0)
    __builtin_unreachable ();
  for (i = x + 256; i < x + y; i++)
    a[i]++;
}

/* { dg-final { scan-tree-dump-not "vect_do_peeling_for_loop_bound" "vect" } } */
/* { dg-final { scan-tree-dump-not "loop peeled for vectorization" "vect" } } */
/* { dg-final { cleanup-tree-dump "vect" } } */