mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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// SPDX-License-Identifier: GPL-3.0
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/**
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* @author Alex Beregszaszi
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* Removes unused JUMPDESTs.
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*/
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#pragma once
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#include <vector>
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#include <cstddef>
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#include <set>
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namespace solidity::evmasm
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{
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class AssemblyItem;
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using AssemblyItems = std::vector<AssemblyItem>;
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class JumpdestRemover
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{
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public:
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explicit JumpdestRemover(AssemblyItems& _items): m_items(_items) {}
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bool optimise(std::set<size_t> const& _tagsReferencedFromOutside);
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/// @returns a set of all tags from the given sub-assembly that are referenced
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/// from the given list of items.
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static std::set<size_t> referencedTags(AssemblyItems const& _items, size_t _subId);
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private:
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AssemblyItems& m_items;
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};
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}
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