1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-ipa-icf-details" } */
3
4 struct __hlist_head
5 {
6 struct __hlist_node *first;
7 };
8
9 struct __hlist_node
10 {
11 struct __hlist_node *next, **pprev;
12 };
13
14 struct __net
15 {
16 int ifindex;
17 struct __hlist_head * dev_index_head;
18 };
19
20 struct __net_device
21 {
22 int ifindex;
23 struct __net *nd_net;
24 struct __hlist_node index_hlist;
25 };
26
27 __attribute__ ((noinline, noclone))
__dev_index_hash(struct __net * net,int ifindex)28 static struct __hlist_head * __dev_index_hash(struct __net *net,
29 int ifindex)
30 {
31 return &net->dev_index_head[ifindex & 1];
32 }
33
34 __attribute__ ((noinline, noclone))
__dev_get_by_index(struct __net * net,int ifindex)35 struct __net_device * __dev_get_by_index(struct __net *net, int ifindex)
36 {
37 struct __net_device * dev;
38 struct __hlist_head * head = __dev_index_hash(net, ifindex);
39
40 for (dev = ( { typeof((head)->first) ____ptr = ((head)->first); ____ptr ? ( { const typeof(((typeof(*(dev)) *) 0)->index_hlist) * __mptr = (____ptr); (typeof(*(dev)) *) ((char *)__mptr - __builtin_offsetof(typeof(*(dev)), index_hlist));}): ((void *) 0);});
41 dev; dev = ( { typeof ((dev)->index_hlist.next) ____ptr = ((dev)->index_hlist.next); ____ptr ? ( { const typeof(((typeof(*(dev)) *) 0)->index_hlist) * __mptr = (____ptr); (typeof(*(dev)) *) ((char *)__mptr - __builtin_offsetof(typeof(*(dev)), index_hlist));}): ((void *) 0);}))
42 if (dev->ifindex == ifindex)
43 return dev;
44
45 return ((void *)0);
46 }
47
48 __attribute__ ((noinline, noclone))
dev_get_by_index_rcu(struct __net * net,int ifindex)49 struct __net_device * dev_get_by_index_rcu(struct __net *net, int ifindex)
50 {
51 struct __net_device * dev;
52 struct __hlist_head * head = __dev_index_hash(net, ifindex);
53
54 for (dev = ( { typeof(( { typeof (* ((*((struct __hlist_node **)(&(head)->first))))) * _________p1 = (typeof(*((*((struct __hlist_node **)(&(head)->first))))) *) (*(volatile typeof(((*((struct __hlist_node **)(&(head)->first))))) *)&(((*((struct __hlist_node **)(&(head)->first)))))); do { } while (0);; do { } while (0); ((typeof(*((*((struct __hlist_node **)(&(head)->first))))) *) (_________p1));})) ____ptr = (( { typeof (* ((*((struct __hlist_node **)(&(head)->first))))) * _________p1 = (typeof(*((*((struct __hlist_node **)(&(head)->first))))) *) (*(volatile typeof(((*((struct __hlist_node **)(&(head)->first))))) *)&(((*((struct __hlist_node **)(&(head)->first)))))); do { } while (0);; do { } while (0); ((typeof(*((*((struct __hlist_node **)(&(head)->first))))) *) (_________p1));})); ____ptr ? ( { const typeof(((typeof(*(dev)) *) 0)->index_hlist) * __mptr = (____ptr); (typeof(*(dev)) *) ((char *)__mptr - __builtin_offsetof(typeof(*(dev)), index_hlist));}):((void *) 0);});
55 dev; dev = ( { typeof(( { typeof (* ((*((struct __hlist_node **)(&(&(dev)->index_hlist)->next))))) * _________p1 = (typeof(*((*((struct __hlist_node **)(&(&(dev)->index_hlist)->next))))) *) (*(volatile typeof(((*((struct __hlist_node **)(&(&(dev)->index_hlist)->next))))) *)&(((*((struct __hlist_node **)(&(&(dev)->index_hlist)->next)))))); do { } while (0);; do { } while (0); ((typeof(*((*((struct __hlist_node **)(&(&(dev)->index_hlist)->next))))) *) (_________p1));})) ____ptr = (( { typeof (* ((*((struct __hlist_node **)(&(&(dev)->index_hlist)->next))))) * _________p1 = (typeof(*((*((struct __hlist_node **)(&(&(dev)->index_hlist)->next))))) *) (*(volatile typeof(((*((struct __hlist_node **)(&(&(dev)->index_hlist)->next))))) *)&(((*((struct __hlist_node **)(&(&(dev)->index_hlist)->next)))))); do { } while (0);; do { } while (0); ((typeof(*((*((struct __hlist_node **)(&(&(dev)->index_hlist)->next))))) *) (_________p1));})); ____ptr ? ( { const typeof(((typeof(*(dev)) *) 0)->index_hlist) * __mptr = (____ptr); (typeof(*(dev)) *) ((char *)__mptr - __builtin_offsetof(typeof(*(dev)), index_hlist));}): ((void *) 0);}))
56 if (dev->ifindex == ifindex)
57 return dev;
58 return ((void *)0);
59 }
60
61 __attribute__ ((noinline, noclone))
foo(struct __net * net)62 int foo(struct __net *net)
63 {
64 if (!__dev_get_by_index(net, net->ifindex));
65 return 1;
66 return 0;
67 }
68
main()69 int main()
70 {
71 return 0;
72 }
73
74 /* { dg-final { scan-ipa-dump "Equal symbols: 0" "icf" } } */
75