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lto-partition.c (add_symbol_to_partition_1, [...]): Aliases have no defined size.

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* lto-partition.c (add_symbol_to_partition_1,
	undo_partition, lto_balanced_map): Aliases have no
	defined size.
	(lto_balanced_map): Do not follow refering variables
	if they can be optimized out.

From-SVN: r207967
This commit is contained in:
Jan Hubicka 2014-02-20 20:40:14 +01:00 • committed by Jan Hubicka
parent 672ce9397b
commit 39434bce6c
2 changed files with 20 additions and 4 deletions
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8
gcc/lto/ChangeLog
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@ -1,3 +1,11 @@
2014-02-14 Jan Hubicka <hubicka@ucw.cz>
* lto-partition.c (add_symbol_to_partition_1,
undo_partition, lto_balanced_map): Aliases have no
defined size.
(lto_balanced_map): Do not follow refering variables
if they can be optimized out.
2014-02-14 Richard Biener <rguenther@suse.de>
PR lto/60179

16
gcc/lto/lto-partition.c
View file

@ -149,7 +149,8 @@ add_symbol_to_partition_1 (ltrans_partition part, symtab_node *node)
if (cgraph_node *cnode = dyn_cast <cgraph_node> (node))
{
struct cgraph_edge *e;
part->insns += inline_summary (cnode)->self_size;
if (!node->alias)
part->insns += inline_summary (cnode)->self_size;
/* Add all inline clones and callees that are duplicated. */
for (e = cnode->callees; e; e = e->next_callee)
@ -244,13 +245,14 @@ undo_partition (ltrans_partition partition, unsigned int n_nodes)
{
symtab_node *node = lto_symtab_encoder_deref (partition->encoder,
n_nodes);
cgraph_node *cnode;
/* After UNDO we no longer know what was visited. */
if (partition->initializers_visited)
pointer_set_destroy (partition->initializers_visited);
partition->initializers_visited = NULL;
if (cgraph_node *cnode = dyn_cast <cgraph_node> (node))
if (!node->alias && (cnode = dyn_cast <cgraph_node> (node)))
partition->insns -= inline_summary (cnode)->self_size;
lto_symtab_encoder_delete_node (partition->encoder, node);
node->aux = (void *)((size_t)node->aux - 1);
@ -439,7 +441,8 @@ lto_balanced_map (void)
if (symtab_get_symbol_partitioning_class (node) == SYMBOL_PARTITION)
{
order[n_nodes++] = node;
total_size += inline_summary (node)->size;
if (!node->alias)
total_size += inline_summary (node)->size;
}
/* Streaming works best when the source units do not cross partition
@ -495,7 +498,8 @@ lto_balanced_map (void)
}
add_symbol_to_partition (partition, order[i]);
total_size -= inline_summary (order[i])->size;
if (!order[i]->alias)
total_size -= inline_summary (order[i])->size;
/* Once we added a new node to the partition, we also want to add
@ -613,7 +617,11 @@ lto_balanced_map (void)
vnode = ipa_ref_referring_varpool_node (ref);
gcc_assert (vnode->definition);
/* It is better to couple variables with their users, because it allows them
to be removed. Coupling with objects they refer to only helps to reduce
number of symbols promoted to hidden. */
if (!symbol_partitioned_p (vnode) && flag_toplevel_reorder
&& !varpool_can_remove_if_no_refs (vnode)
&& symtab_get_symbol_partitioning_class (vnode) == SYMBOL_PARTITION)
add_symbol_to_partition (partition, vnode);
index = lto_symtab_encoder_lookup (partition->encoder,