gcc-4.9/gcc/testsuite/gcc.dg/vect/pr60482.c


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/* PR middle-end/60482 */
/* { dg-do compile } */
/* { dg-additional-options "-Ofast" } */
/* { dg-require-effective-target vect_int } */

double
foo (double *x, int n)
{
  double p = 0.0;
  int i;
  x = __builtin_assume_aligned (x, 128);
  if (n % 128)
    __builtin_unreachable ();
  for (i = 0; i < n; i++)
    p += x[i];
  return p;
}

/* { dg-final { scan-tree-dump-not "epilog loop required" "vect" } } */
/* { dg-final { cleanup-tree-dump "vect" } } */