Add support for iterative dataflow to ipa-modref-tree.h
authorJan Hubicka <jh@suse.cz>
Sat, 26 Sep 2020 06:09:53 +0000 (08:09 +0200)
committerJan Hubicka <jh@suse.cz>
Sat, 26 Sep 2020 06:09:53 +0000 (08:09 +0200)
commit5a90a18668fef8d51e5b3fe9f69123f53cbd8f25
treef75bd7e33541a15c627779c361eca5e84faf1095
parentd4a906e7b51f3fc31f3328810f45ae4cf2e7bbc3
Add support for iterative dataflow to ipa-modref-tree.h

Track if insert and merge operations changed anything in the summary.

gcc/ChangeLog:

2020-09-26  Jan Hubicka  <hubicka@ucw.cz>

* ipa-modref-tree.h (modref_ref_node::insert_access): Track if something
changed.
(modref_base_node::insert_ref): Likewise (and add a new optional
argument)
(modref_tree::insert): Likewise.
(modref_tree::merge): Rewrite
gcc/ipa-modref-tree.h