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/* { dg-options "-mthumb -Os -fpic -fdump-rtl-hoist" }  */

/* { dg-require-effective-target arm_thumb1_ok } */

/* { dg-require-effective-target fpic } */

/* Make sure all calculations of gObj's address get hoisted to one location.  */

/* { dg-final { scan-rtl-dump "PRE/HOIST: end of bb .* copying expression" "hoist" } } */

struct st_a {

   int data;

};

struct st_b {

   struct st_a *p_a;

    struct st_b *next;

};

extern struct st_b gObj;

extern void foo(int, struct st_b*);

int goo(struct st_b * obj) {

   struct st_a *pa;

   if (gObj.p_a->data != 0) {

     foo(gObj.p_a->data, obj);

   }

   pa = obj->p_a;

   if (pa == 0) {

     return 0;

   } else if (pa == gObj.p_a) {

     return 0;

   }

   return pa->data;

}