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			44 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| 	This file is part of solidity.
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| 
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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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| 
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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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| 
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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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|  * Optimiser component that uses the simplification rules to simplify expressions.
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|  */
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| 
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| #include <libyul/optimiser/ExpressionSimplifier.h>
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| 
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| #include <libyul/optimiser/SimplificationRules.h>
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| #include <libyul/optimiser/OptimiserStep.h>
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| #include <libyul/AST.h>
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| 
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| using namespace std;
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| using namespace solidity;
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| using namespace solidity::yul;
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| 
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| void ExpressionSimplifier::run(OptimiserStepContext& _context, Block& _ast)
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| {
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| 	ExpressionSimplifier{_context.dialect}(_ast);
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| }
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| 
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| void ExpressionSimplifier::visit(Expression& _expression)
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| {
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| 	ASTModifier::visit(_expression);
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| 
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| 	while (auto const* match = SimplificationRules::findFirstMatch(_expression, m_dialect, m_value))
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| 		_expression = match->action().toExpression(debugDataOf(_expression));
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| }
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