1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-vrp1" } */
       3  
       4  void fail(void) __attribute__((noreturn));
       5  int bar(int);
       6  
       7  int foo(int x) {
       8    int i;
       9    int s = 0;
      10  
      11    if (x <= 0) fail();
      12    for (i = 0; i < x; ++i) {
      13      /* This division by 4 should be replaced with >> 2.  */
      14      s += bar(i/4);
      15    }
      16    return s;
      17  }
      18  
      19  /* { dg-final { scan-tree-dump-times " = i_.* >> 2" 1 "vrp1" } } */