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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 interface OptimizationPhase { | 5 interface OptimizationPhase { |
6 String get name(); | 6 String get name; |
7 void visitGraph(HGraph graph); | 7 void visitGraph(HGraph graph); |
8 } | 8 } |
9 | 9 |
10 class SsaOptimizerTask extends CompilerTask { | 10 class SsaOptimizerTask extends CompilerTask { |
11 final JavaScriptBackend backend; | 11 final JavaScriptBackend backend; |
12 SsaOptimizerTask(JavaScriptBackend backend) | 12 SsaOptimizerTask(JavaScriptBackend backend) |
13 : this.backend = backend, | 13 : this.backend = backend, |
14 super(backend.compiler); | 14 super(backend.compiler); |
15 String get name => 'SSA optimizer'; | 15 String get name => 'SSA optimizer'; |
16 Compiler get compiler => backend.compiler; | 16 Compiler get compiler => backend.compiler; |
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1345 // this type for the field is still a strong signal | 1345 // this type for the field is still a strong signal |
1346 // indicating the expected type of the field. | 1346 // indicating the expected type of the field. |
1347 types[field] = type; | 1347 types[field] = type; |
1348 } else { | 1348 } else { |
1349 // If there are no invoked setters we know the type of | 1349 // If there are no invoked setters we know the type of |
1350 // this field for sure. | 1350 // this field for sure. |
1351 field.guaranteedType = type; | 1351 field.guaranteedType = type; |
1352 } | 1352 } |
1353 } | 1353 } |
1354 } | 1354 } |
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