Viewing file:  PR64550.c (3.91 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-ipa-icf-details" } */
struct __hlist_head
{
struct __hlist_node *first;
};
struct __hlist_node
{
struct __hlist_node *next, **pprev;
};
struct __net
{
int ifindex;
struct __hlist_head * dev_index_head;
};
struct __net_device
{
int ifindex;
struct __net *nd_net;
struct __hlist_node index_hlist;
};
__attribute__ ((noinline, noclone))
static struct __hlist_head * __dev_index_hash(struct __net *net,
int ifindex)
{
return &net->dev_index_head[ifindex & 1];
}
__attribute__ ((noinline, noclone))
struct __net_device * __dev_get_by_index(struct __net *net, int ifindex)
{
struct __net_device * dev;
struct __hlist_head * head = __dev_index_hash(net, ifindex);
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);});
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);}))
if (dev->ifindex == ifindex)
return dev;
return ((void *)0);
}
__attribute__ ((noinline, noclone))
struct __net_device * dev_get_by_index_rcu(struct __net *net, int ifindex)
{
struct __net_device * dev;
struct __hlist_head * head = __dev_index_hash(net, ifindex);
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);});
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);}))
if (dev->ifindex == ifindex)
return dev;
return ((void *)0);
}
__attribute__ ((noinline, noclone))
int foo(struct __net *net)
{
if (!__dev_get_by_index(net, net->ifindex));
return 1;
return 0;
}
int main()
{
return 0;
}
/* { dg-final { scan-ipa-dump "Equal symbols: 0" "icf" } } */
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