mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
58 lines
1.5 KiB
C++
58 lines
1.5 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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* Optimisation stage that aggressively rematerializes certain variables ina a function to free
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* space on the stack until it is compilable.
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*/
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#pragma once
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#include <libyul/Object.h>
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#include <memory>
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namespace solidity::yul
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{
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struct Dialect;
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struct Object;
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struct FunctionDefinition;
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/**
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* Optimisation stage that aggressively rematerializes certain variables in a function to free
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* space on the stack until it is compilable.
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*
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* Only runs on the code of the object itself, does not descend into sub-objects.
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*
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* Prerequisite: Disambiguator, Function Grouper
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*/
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class StackCompressor
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{
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public:
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/// Try to remove local variables until the AST is compilable.
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/// @returns true if it was successful.
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static bool run(
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Dialect const& _dialect,
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Object& _object,
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bool _optimizeStackAllocation,
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size_t _maxIterations
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);
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};
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}
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