verilator/test_regress/t/t_const_opt.cpp
Yutetsu TAKATSUKASA b08c694cd6
Fix wrong bit op tree optimization (#3185)
* Add a test to reproduce bug3182. Run the same HDL with -Oo to confirm the result is same.

* Hopefully fix #3182. The result can be 0 only when polarity is true (no AstNot is found during traversal).
2021-11-06 12:31:50 +09:00

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// -*- mode: C++; c-file-style: "cc-mode" -*-
//*************************************************************************
//
// Copyright 2021 by Yutetsu TAKATSUKASA. 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
//
//*************************************************************************
// This function is used to introduce dependency and disturb optimization
extern "C" int fake_dependency() { return 0; }