/* Scanning of rtl for dataflow analysis.
- Copyright (C) 1999-2022 Free Software Foundation, Inc.
+ Copyright (C) 1999-2023 Free Software Foundation, Inc.
Originally contributed by Michael P. Hayes
(m.hayes@elec.canterbury.ac.nz, mhayes@redhat.com)
Major rewrite contributed by Danny Berlin (dberlin@dberlin.org)