1 files changed, 0 insertions, 84 deletions
diff --git a/libjulia/optimiser/DataFlowAnalyzer.h b/libjulia/optimiser/DataFlowAnalyzer.h
deleted file mode 100644
index 66df2f48..00000000
--- a/libjulia/optimiser/DataFlowAnalyzer.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
-	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/>.
-*/
-/**
- * Base class to perform data flow analysis during AST walks.
- * Tracks assignments and is used as base class for both Rematerialiser and
- * Common Subexpression Eliminator.
- */
-
-#pragma once
-
-#include <libjulia/optimiser/ASTWalker.h>
-
-#include <string>
-#include <map>
-#include <set>
-
-namespace dev
-{
-namespace julia
-{
-
-/**
- * Base class to perform data flow analysis during AST walks.
- * Tracks assignments and is used as base class for both Rematerialiser and
- * Common Subexpression Eliminator.
- *
- * Prerequisite: Disambiguator
- */
-class DataFlowAnalyzer: public ASTModifier
-{
-public:
-	using ASTModifier::operator();
-	virtual void operator()(Assignment& _assignment) override;
-	virtual void operator()(VariableDeclaration& _varDecl) override;
-	virtual void operator()(If& _if) override;
-	virtual void operator()(Switch& _switch) override;
-	virtual void operator()(FunctionDefinition&) override;
-	virtual void operator()(ForLoop&) override;
-	virtual void operator()(Block& _block) override;
-
-protected:
-	/// Registers the assignment.
-	void handleAssignment(std::set<std::string> const& _names, Expression* _value);
-
-	/// Clears information about the values assigned to the given variables,
-	/// for example at points where control flow is merged.
-	void clearValues(std::set<std::string> const& _names);
-
-	/// Returns true iff the variable is in scope.
-	bool inScope(std::string const& _variableName) const;
-
-	/// Current values of variables, always movable.
-	std::map<std::string, Expression const*> m_value;
-	/// m_references[a].contains(b) <=> the current expression assigned to a references b
-	std::map<std::string, std::set<std::string>> m_references;
-	/// m_referencedBy[b].contains(a) <=> the current expression assigned to a references b
-	std::map<std::string, std::set<std::string>> m_referencedBy;
-
-	struct Scope
-	{
-		explicit Scope(bool _isFunction): isFunction(_isFunction) {}
-		std::set<std::string> variables;
-		bool isFunction;
-	};
-	/// List of scopes.
-	std::vector<Scope> m_variableScopes;
-};
-
-}
-}