verilator/test_regress/t/t_dfg_push_sel.py

27 lines
861 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.compile(verilator_flags2=[
"--binary", "--stats", "-fno-dfg-pre-inline", "-fno-dfg-post-inline", "-fno-dfg-peephole"
])
test.execute()
if test.vlt:
test.file_grep(test.stats, r'Optimizations, DFG scoped PushDownSels, sels pushed down\s+(\d+)',
50)
test.file_grep(test.stats, r'Optimizations, DFG scoped PushDownSels, would be cyclic\s+(\d+)',
1)
test.passes()