verilator/test_regress/t/t_opt_const_dfg.py
Geza Lore 03bd1bfc63
Move Concat balancing from DFG to FuncOpt (#5602)
This means it applies more widely, e.g. inside sequential logic.
2024-11-10 17:23:11 +00:00

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Python
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#!/usr/bin/env python3
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
#
# Copyright 2024 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
import vltest_bootstrap
test.scenarios('simulator')
test.top_filename = "t/t_opt_const.v"
test.compile(verilator_flags2=["-Wno-UNOPTTHREADS", "--stats", test.t_dir + "/t_opt_const.cpp"])
test.execute()
if test.vlt:
test.file_grep(test.stats, r'Optimizations, Const bit op reduction\s+(\d+)', 40)
test.passes()