path: root/libyul/optimiser/OptimizerUtilities.cpp

/*
    This file is part of solidity.

    solidity is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    solidity is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with solidity.  If not, see <http://www.gnu.org/licenses/>.
*/
/**
 * Some useful snippets for the optimiser.
 */

#include <libyul/optimiser/OptimizerUtilities.h>

#include <libyul/AsmData.h>

#include <libdevcore/CommonData.h>

#include <boost/range/algorithm_ext/erase.hpp>

using namespace std;
using namespace dev;
using namespace yul;

void yul::removeEmptyBlocks(Block& _block)
{
    auto isEmptyBlock = [](Statement const& _st) -> bool {
        return _st.type() == typeid(Block) && boost::get<Block>(_st).statements.empty();
    };
    boost::range::remove_erase_if(_block.statements, isEmptyBlock);
}