1  #include "tree-vect.h"
       2  
       3  int x[1024];
       4  int y[1024];
       5  int z[1024];
       6  
       7  void __attribute__((noinline)) foo()
       8  {
       9    for (int i = 0; i < 512; ++i)
      10      {
      11        x[2*i] = x[2*i] << y[2*i];
      12        x[2*i+1] = x[2*i+1] << y[2*i];
      13        z[2*i] = y[2*i];
      14        z[2*i+1] = y[2*i+1];
      15      }
      16  }
      17  
      18  int main()
      19  {
      20    check_vect ();
      21    for (int i = 0; i < 1024; ++i)
      22      x[i] = i, y[i] = i % 8;
      23    foo ();
      24    for (int i = 0; i < 1024; ++i)
      25      if (x[i] != i << ((i & ~1) % 8))
      26        __builtin_abort ();
      27    return 0;
      28  }