verilator/test_regress/t/t_dfg_constpool_unused.py

21 lines
755 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('vlt')
test.compile(verilator_flags2=['--binary', '--stats'])
test.file_grep(test.stats, r'Optimizations, Cases table normal\s+(\d+)', 1)
test.file_grep(test.stats, r'Optimizations, DFG, Peephole, remove var\s+(\d+)', 2)
test.file_grep_not(test.stats, r'ConstPool, Constants emitted') # Removed by V3Dead later
test.passes()