| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | |
| // for details. All rights reserved. Use of this source code is governed by a | |
| // BSD-style license that can be found in the LICENSE file. | |
| import 'nodes.dart'; | |
| import 'value_range_analyzer.dart'; | |
| abstract class OptimizationPhase { | |
| String get name; | |
| void visitGraph(HGraph graph); | |
| bool validPostcondition(HGraph graph); | |
| } | |
| abstract class SsaOptimizerTask { | |
| set ranges(Map<HInstruction, Range> value); | |
| } |