1  /* { dg-options "-mthumb -Os -fpic -fdump-rtl-hoist" }  */
       2  /* { dg-require-effective-target arm_thumb1_ok } */
       3  /* { dg-require-effective-target fpic } */
       4  /* Make sure all calculations of gObj's address get hoisted to one location.  */
       5  /* { dg-final { scan-rtl-dump "PRE/HOIST: end of bb .* copying expression" "hoist" } } */
       6  
       7  struct st_a {
       8     int data;
       9  };
      10  
      11  struct st_b {
      12     struct st_a *p_a;
      13      struct st_b *next;
      14  };
      15  
      16  extern struct st_b gObj;
      17  extern void foo(int, struct st_b*);
      18  
      19  int goo(struct st_b * obj) {
      20     struct st_a *pa;
      21     if (gObj.p_a->data != 0) {
      22       foo(gObj.p_a->data, obj);
      23     }
      24     pa = obj->p_a;
      25     if (pa == 0) {
      26       return 0;
      27     } else if (pa == gObj.p_a) {
      28       return 0;
      29     }
      30     return pa->data;
      31  }