+2015-01-12 Martin Liska <mliska@suse.cz>
+
+ PR ipa/64550
+ * ipa-icf-gimple.c (func_checker::compare_memory_operand): Compare
+ volatility for correct operands.
+
+2015-01-12 Martin Liska <mliska@suse.cz>
+
+ * ipa-icf.c (sem_function::equals_wpa): Add indirect_calls as indication
+ that a function is not leaf.
+ (sem_function::compare_polymorphic_p): Likewise.
+
2015-01-12 Martin Liska <mliska@suse.cz>
* ipa-icf.c (sem_function::equals_wpa): Add indirect_calls as indication
--- /dev/null
+/* { 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 "different operand volatility" "icf" } } */
+/* { dg-final { scan-ipa-dump "Equal symbols: 0" "icf" } } */
+/* { dg-final { cleanup-ipa-dump "icf" } } */