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lto-cgraph.c (get_alias_symbol): Remove weakref sanity check.

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* lto-cgraph.c (get_alias_symbol): Remove weakref sanity check.
	(input_node, input_varpool_node): Handle correctly external same
	body aliases.
	* ipa.c (symtab_remove_unreachable_nodes): Do not remove external
	nodes at ltrans stage.

From-SVN: r199675
This commit is contained in:
Jan Hubicka 2013-06-05 00:58:22 +02:00 • committed by Jan Hubicka
parent aaae719df3
commit b9bd2075e2
3 changed files with 17 additions and 4 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2013-06-04 Jan Hubicka <jh@suse.cz>
* lto-cgraph.c (get_alias_symbol): Remove weakref sanity check.
(input_node, input_varpool_node): Handle correctly external same
body aliases.
* ipa.c (symtab_remove_unreachable_nodes): Do not remove external
nodes at ltrans stage.
2013-06-04 Jan Hubicka <jh@suse.cz>
* ipa-inline.c (update_caller_keys): Fix availability test.

6
gcc/ipa.c
View file

@ -387,7 +387,11 @@ symtab_remove_unreachable_nodes (bool before_inlining_p, FILE *file)
for (vnode = varpool_first_variable (); vnode; vnode = vnext)
{
vnext = varpool_next_variable (vnode);
if (!vnode->symbol.aux)
if (!vnode->symbol.aux
/* For can_refer_decl_in_current_unit_p we want to track for
all external variables if they are defined in other partition
or not. */
&& (!flag_ltrans || !DECL_EXTERNAL (vnode->symbol.decl)))
{
if (file)
fprintf (file, " %s", varpool_node_name (vnode));

7
gcc/lto-cgraph.c
View file

@ -918,7 +918,6 @@ static tree
get_alias_symbol (tree decl)
{
tree alias = lookup_attribute ("alias", DECL_ATTRIBUTES (decl));
gcc_assert (lookup_attribute ("weakref", DECL_ATTRIBUTES (decl)));
return get_identifier (TREE_STRING_POINTER
(TREE_VALUE (TREE_VALUE (alias))));
}
@ -1008,7 +1007,8 @@ input_node (struct lto_file_decl_data *file_data,
node->thunk.virtual_value = virtual_value;
node->thunk.virtual_offset_p = (type & 4);
}
if (node->symbol.alias && !node->symbol.analyzed)
if (node->symbol.alias && !node->symbol.analyzed
&& lookup_attribute ("weakref", DECL_ATTRIBUTES (node->symbol.decl)))
node->symbol.alias_target = get_alias_symbol (node->symbol.decl);
return node;
}
@ -1050,7 +1050,8 @@ input_varpool_node (struct lto_file_decl_data *file_data,
DECL_EXTERNAL (node->symbol.decl) = 1;
TREE_STATIC (node->symbol.decl) = 0;
}
if (node->symbol.alias && !node->symbol.analyzed)
if (node->symbol.alias && !node->symbol.analyzed
&& lookup_attribute ("weakref", DECL_ATTRIBUTES (node->symbol.decl)))
node->symbol.alias_target = get_alias_symbol (node->symbol.decl);
ref = streamer_read_hwi (ib);
/* Store a reference for now, and fix up later to be a pointer. */