verilator/test_regress/t/t_const_opt_red.pl
Yutetsu TAKATSUKASA ec4eb18846
Fiix incorrect result by bit tree opt (#3023) (#3030)
* Add a test to reproduce #3023. Also applied verilog-mode formatting.

* use unique_ptr. No functional change is intended.

* Introduce restorer that reverts changes during iterate() if failed.
2021-06-21 07:28:39 +09:00

27 lines
722 B
Perl
Executable File

#!/usr/bin/env perl
if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
#
# Copyright 2003 by Wilson Snyder. This program is free software; you
# can redistribute it and/or modify it under the terms of either the GNU
# Lesser General Public License Version 3 or the Perl Artistic License
# Version 2.0.
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
scenarios(simulator => 1);
compile(
verilator_flags2=>["-Wno-UNOPTTHREADS", "--stats"],
);
execute(
check_finished => 1,
);
if ($Self->{vlt}) {
file_grep($Self->{stats}, qr/Optimizations, Const bit op reduction\s+(\d+)/i, 149);
}
ok(1);
1;