verilator/test_regress/t/t_dfg_push_sel_off.py

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831 B
Python
Executable File

#!/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()