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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O2" } */
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3 void abort(void) __attribute__((__noreturn__));
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4 typedef struct {
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5 int container;
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6 } edge_iterator;
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7 struct ls_expr
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8 {
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9 int index;
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10 int stores;
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11 struct ls_expr * next;
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12 };
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13 struct ls_expr * pre_ldst_mems;
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14 edge_iterator ei;
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15 void
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16 store_motion (void)
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17 {
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18 struct ls_expr * ptr, **prev_next_ptr_ptr;
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19 edge_iterator ei1;
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20 edge_iterator ei2;
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21 int a = ptr != ((void *)0);
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22 for (ptr = pre_ldst_mems, prev_next_ptr_ptr = &pre_ldst_mems;
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23 ptr != ((void *)0);
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24 ptr = *prev_next_ptr_ptr)
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25 if (!((ptr)->stores))
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26 *prev_next_ptr_ptr = ptr->next;
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27 else
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28 prev_next_ptr_ptr = &ptr->next;
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29
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30 for (ptr = pre_ldst_mems; ptr != 0; ptr = ptr->next)
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31 ;
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32 ei1 = ei;
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33 ei2 = ei1;
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34 if (!ei2.container)
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35 abort ();
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36 ei2 = ei1;
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37 if (!ei2.container)
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38 abort ();
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39 }
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