verilator/test_regress/t/trace_split_struct_common.py

30 lines
1.1 KiB
Python

# 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
def run(test):
(fmt, ) = test.parse_name(r"t_trace_split_struct_([a-z]+)")
test.top_filename = "t/t_trace_split_struct.v"
test.golden_filename = test.py_filename.rpartition(fmt)[0] + fmt + ".out"
flags = ["--cc", f"--trace-{fmt}", "--trace-structs", "--no-trace-params"]
test.compile(verilator_flags2=flags)
# When struct fields are driven from different clocks, the dtype
# optimization cannot be applied -- no trace_chg_dtype functions should exist
trace_cpp = test.obj_dir + "/" + test.vm_prefix + "__Trace__0.cpp"
test.file_grep_count(trace_cpp, r"^ *Vt_.*trace_chg_dtype", 0)
test.execute()
test.trace_identical(test.trace_filename, test.golden_filename)
test.passes()