/* 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 . */ /** * Optimiser suite that combines all steps and also provides the settings for the heuristics. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using namespace dev; using namespace yul; void OptimiserSuite::run( Block& _ast, AsmAnalysisInfo const& _analysisInfo, set const& _externallyUsedIdentifiers ) { set reservedIdentifiers = _externallyUsedIdentifiers; Block ast = boost::get(Disambiguator(_analysisInfo, reservedIdentifiers)(_ast)); (VarDeclInitializer{})(ast); (FunctionHoister{})(ast); (FunctionGrouper{})(ast); (ForLoopInitRewriter{})(ast); StructuralSimplifier{}(ast); NameDispenser dispenser{ast}; for (size_t i = 0; i < 4; i++) { ExpressionSplitter{dispenser}(ast); SSATransform::run(ast, dispenser); RedundantAssignEliminator::run(ast); RedundantAssignEliminator::run(ast); CommonSubexpressionEliminator{}(ast); ExpressionSimplifier::run(ast); StructuralSimplifier{}(ast); SSATransform::run(ast, dispenser); RedundantAssignEliminator::run(ast); RedundantAssignEliminator::run(ast); UnusedPruner::runUntilStabilised(ast, reservedIdentifiers); CommonSubexpressionEliminator{}(ast); UnusedPruner::runUntilStabilised(ast, reservedIdentifiers); SSATransform::run(ast, dispenser); RedundantAssignEliminator::run(ast); RedundantAssignEliminator::run(ast); ExpressionJoiner::run(ast); ExpressionJoiner::run(ast); ExpressionInliner(ast).run(); UnusedPruner::runUntilStabilised(ast); ExpressionSplitter{dispenser}(ast); SSATransform::run(ast, dispenser); RedundantAssignEliminator::run(ast); RedundantAssignEliminator::run(ast); CommonSubexpressionEliminator{}(ast); FullInliner{ast, dispenser}.run(); SSATransform::run(ast, dispenser); RedundantAssignEliminator::run(ast); RedundantAssignEliminator::run(ast); ExpressionSimplifier::run(ast); StructuralSimplifier{}(ast); CommonSubexpressionEliminator{}(ast); SSATransform::run(ast, dispenser); RedundantAssignEliminator::run(ast); RedundantAssignEliminator::run(ast); UnusedPruner::runUntilStabilised(ast, reservedIdentifiers); } ExpressionJoiner::run(ast); UnusedPruner::runUntilStabilised(ast); ExpressionJoiner::run(ast); UnusedPruner::runUntilStabilised(ast); ExpressionJoiner::run(ast); UnusedPruner::runUntilStabilised(ast); ExpressionJoiner::run(ast); UnusedPruner::runUntilStabilised(ast); _ast = std::move(ast); }