verilator/test_regress/t/t_const_opt.pl
Yutetsu TAKATSUKASA d4107dce52
Improve xor tree optimization (#4071)
* AstNot does not have to be frozen in an xor tree during BitOp tree optimization.

* Tests: Update stats.
2023-03-26 20:36:32 +09:00

27 lines
795 B
Perl
Executable File

#!/usr/bin/env perl
if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
#
# Copyright 2003 by Wilson Snyder. This program is free software; you
# can redistribute it and/or modify it under the terms of either the GNU
# Lesser General Public License Version 3 or the Perl Artistic License
# Version 2.0.
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
scenarios(simulator => 1);
compile(
verilator_flags2 => ["-Wno-UNOPTTHREADS", "-fno-dfg",
"--stats", "$Self->{t_dir}/$Self->{name}.cpp"],
);
execute(
check_finished => 1,
);
if ($Self->{vlt}) {
file_grep($Self->{stats}, qr/Optimizations, Const bit op reduction\s+(\d+)/i, 39);
}
ok(1);
1;