1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-sink1-details -fdump-tree-cddce2-details" } */
       3  
       4  static int b=4;
       5  int c;
       6  
       7  int
       8  main()
       9  {
      10    int e[5] = {1,1,1,1,1};
      11    for (; b >= 0; b--) {
      12      c = e[b];
      13    }
      14    return 0;
      15  }
      16  
      17  /* We should sink e[b] out of the loop which is possible after
      18     applying store motion to c and b.  */
      19  /* { dg-final { scan-tree-dump "Sinking # VUSE" "sink1" } } */
      20  /* And remove the loop after final value replacement.  */
      21  /* { dg-final { scan-tree-dump "fix_loop_structure: removing loop" "cddce2" } } */