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/* { dg-require-effective-target vect_int } */
 
#include <stdarg.h>
#include "tree-vect.h"
 
#define N 40
 
int a[N];
int b[N];
 
__attribute__ ((noinline)) int
foo (int n){
  int i,j;
  int sum,x,y;
 
  if (n<=0)
    return 0;
 
  for (i = 0; i < N/2; i++) {
    sum = 0;
    x = b[2*i];
    y = b[2*i+1];
    j = 0;
    do {
      sum += j;
    } while (++j < n);
    a[2*i] = sum + x;
    a[2*i+1] = sum + y;
  }
}
 
int main (void)
{
  int i,j;
  int sum;
 
  check_vect ();
 
  for (i=0; i<N; i++)
    b[i] = i;
 
  foo (N-1);
 
    /* check results:  */
  for (i=0; i<N/2; i++)
    {
      sum = 0;
      for (j = 0; j < N-1; j++)
        sum += j;
      if (a[2*i] != sum + b[2*i] || a[2*i+1] != sum + b[2*i+1])
        abort();
    }
 
  return 0;
}
 
/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED." 1 "vect" { target { vect_interleave && vect_extract_even_odd } } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */