1  /* { dg-require-effective-target vect_int } */
       2  
       3  #include <stdarg.h>
       4  #include "tree-vect.h"
       5  
       6  #define N 40
       7  
       8  int a[N];
       9  int b[N];
      10  
      11  __attribute__ ((noinline)) int
      12  foo (int n){
      13    int i,j;
      14    int sum,x,y;
      15  
      16    for (i = 0; i < N/2; i++) {
      17      sum = 0;
      18      x = b[2*i];
      19      y = b[2*i+1];
      20      for (j = 0; j < n; j++) {
      21        sum += j;
      22      }
      23      a[2*i] = sum + x;
      24      a[2*i+1] = sum + y;
      25    }
      26  }
      27  
      28  int main (void)
      29  {
      30    int i,j;
      31    int sum;
      32  
      33    check_vect ();
      34  
      35    for (i=0; i<N; i++)
      36      b[i] = i;
      37   
      38    foo (N-1);
      39  
      40      /* check results:  */
      41    for (i=0; i<N/2; i++)
      42      {
      43        sum = 0;
      44        for (j = 0; j < N-1; j++)
      45          sum += j;
      46        if (a[2*i] != sum + b[2*i] || a[2*i+1] != sum + b[2*i+1])
      47          abort();
      48      }
      49  
      50    return 0;
      51  }
      52  
      53  /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED." 1 "vect" { xfail *-*-* } } } */