verilator/test_regress/t/t_const_no_opt.pl
Yutetsu TAKATSUKASA b08c694cd6
Fix wrong bit op tree optimization (#3185)
* Add a test to reproduce bug3182. Run the same HDL with -Oo to confirm the result is same.

* Hopefully fix #3182. The result can be 0 only when polarity is true (no AstNot is found during traversal).
2021-11-06 12:31:50 +09:00

25 lines
798 B
Perl
Executable File

#!/usr/bin/env perl
if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
#
# Copyright 2003 by Wilson Snyder. This program is free software; you
# can redistribute it and/or modify it under the terms of either the GNU
# Lesser General Public License Version 3 or the Perl Artistic License
# Version 2.0.
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
scenarios(simulator => 1);
top_filename("t/t_const_opt.v");
# Run the same design as t_const_opt.pl without bitopt tree optimization to make sure that the result is same.
compile(
verilator_flags2 => ["-Wno-UNOPTTHREADS", "--stats", "-Oo", "$Self->{t_dir}/t_const_opt.cpp"],
);
execute(
check_finished => 1,
);
ok(1);
1;