#!/usr/bin/env python3
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
#
# 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-FileCopyrightText: 2026 Wilson Snyder
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0

import vltest_bootstrap

test.scenarios('simulator_st')

test.top_filename = "t/t_dfg_push_sel.v"

test.compile(
    verilator_flags2=["--binary", "--stats", "-fno-dfg-peephole", "-fno-dfg-push-down-sels"])

test.execute()

if test.vlt:
    test.file_grep(test.stats, r'Optimizations, DFG, PushDownSels, sels pushed down\s+(\d+)', 0)
    test.file_grep(test.stats, r'Optimizations, DFG, PushDownSels, would be cyclic\s+(\d+)', 0)

test.passes()