gcc/testsuite/gcc.dg/vect/vect-124.c

#include "tree-vect.h"

#ifndef N
#define N 64
#endif

int a[N];

__attribute__((noinline, noclone)) void
foo (int x)
{
  int i;
  for (i = 0; i < N; i++, x += 3)
    a[i] = x;
}

int
main ()
{
  int i;
  
  check_vect ();
  foo (6);
  for (i = 0; i < N; i++)
    if (a[i] != i * 3 + 6)
      abort ();
  return 0;
}

/* { dg-final { cleanup-tree-dump "vect" } } */