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/*
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 combines syntactically equivalent functions.
*/
#pragma once
#include <libyul/optimiser/ASTWalker.h>
#include <libyul/optimiser/EquivalentFunctionDetector.h>
#include <libyul/AsmDataForward.h>
namespace yul
{
/**
* Optimiser component that detects syntactically equivalent functions and replaces all calls to any of them by calls
* to one particular of them.
*
* Prerequisite: Disambiguator, Function Hoister
*/
class EquivalentFunctionCombiner: public ASTModifier
{
public:
static void run(Block& _ast);
using ASTModifier::operator();
void operator()(FunctionCall& _funCall) override;
private:
EquivalentFunctionCombiner(std::map<YulString, FunctionDefinition const*> _duplicates): m_duplicates(std::move(_duplicates)) {}
std::map<YulString, FunctionDefinition const*> m_duplicates;
};
}
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