path: root/libyul/optimiser/FunctionGrouper.h

/*
    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/>.
*/
/**
 * Optimiser component that changes the code of a black so that all non-function definition
 * instructions are moved to a block of their own followed by all function definitions.
 */

#pragma once

#include <libyul/ASTDataForward.h>

namespace dev
{
namespace yul
{

/**
 * Moves all instructions in a block into a new block at the start of the block, followed by
 * all function definitions.
 *
 * After this step, a block is of the form
 * { { I...} F... }
 * Where I are (non-function-definition) instructions and F are function definitions.
 */
class FunctionGrouper
{
public:
    void operator()(Block& _block);
};

}
}