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authorMartin Liska <mliska@suse.cz>2019-10-30 13:02:17 +0100
committerMartin Liska <marxin@gcc.gnu.org>2019-10-30 12:02:17 +0000
commit430d1e8de0800bc758534ad8048d9e8d53bb2335 (patch)
treee25b86c0c2b6b181f704312936aea7a2f17627fb /gcc/ipa-icf-gimple.c
parent938bba616d438fadf604fdea50395d3fe356ef72 (diff)
Remove comparison for polymorphic types.
2019-10-30 Martin Liska <mliska@suse.cz> * ipa-icf-gimple.c (func_checker::func_checker): Do not initialize m_compare_polymorphic. (func_checker::compare_decl): Do not compare polymorphic types. * ipa-icf-gimple.h (m_compare_polymorphic): Remove. * ipa-icf.c (sem_function::equals_private): Do not call compare_polymorphic_p. From-SVN: r277617
Diffstat (limited to 'gcc/ipa-icf-gimple.c')
-rw-r--r--gcc/ipa-icf-gimple.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/gcc/ipa-icf-gimple.c b/gcc/ipa-icf-gimple.c
index f4e9a75b9de..3193823ce5a 100644
--- a/gcc/ipa-icf-gimple.c
+++ b/gcc/ipa-icf-gimple.c
@@ -51,14 +51,12 @@ namespace ipa_icf_gimple {
of declarations that can be skipped. */
func_checker::func_checker (tree source_func_decl, tree target_func_decl,
- bool compare_polymorphic,
bool ignore_labels,
hash_set<symtab_node *> *ignored_source_nodes,
hash_set<symtab_node *> *ignored_target_nodes)
: m_source_func_decl (source_func_decl), m_target_func_decl (target_func_decl),
m_ignored_source_nodes (ignored_source_nodes),
m_ignored_target_nodes (ignored_target_nodes),
- m_compare_polymorphic (compare_polymorphic),
m_ignore_labels (ignore_labels)
{
function *source_func = DECL_STRUCT_FUNCTION (source_func_decl);
@@ -156,23 +154,7 @@ func_checker::compare_decl (tree t1, tree t2)
if (!compatible_types_p (TREE_TYPE (t1), TREE_TYPE (t2)))
return return_false ();
- /* TODO: we are actually too strict here. We only need to compare if
- T1 can be used in polymorphic call. */
- if (TREE_ADDRESSABLE (t1)
- && m_compare_polymorphic
- && !compatible_polymorphic_types_p (TREE_TYPE (t1), TREE_TYPE (t2),
- false))
- return return_false ();
-
- if ((t == VAR_DECL || t == PARM_DECL || t == RESULT_DECL)
- && DECL_BY_REFERENCE (t1)
- && m_compare_polymorphic
- && !compatible_polymorphic_types_p (TREE_TYPE (t1), TREE_TYPE (t2),
- true))
- return return_false ();
-
bool existed_p;
-
tree &slot = m_decl_map.get_or_insert (t1, &existed_p);
if (existed_p)
return return_with_debug (slot == t2);