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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 part of ssa; | 5 part of ssa; |
| 6 | 6 |
| 7 abstract class OptimizationPhase { | 7 abstract class OptimizationPhase { |
| 8 String get name; | 8 String get name; |
| 9 void visitGraph(HGraph graph); | 9 void visitGraph(HGraph graph); |
| 10 } | 10 } |
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| 2001 instruction.getDartReceiver(compiler).nonCheck(); | 2001 instruction.getDartReceiver(compiler).nonCheck(); |
| 2002 memorySet.registerFieldValueUpdate( | 2002 memorySet.registerFieldValueUpdate( |
| 2003 instruction.element, receiver, instruction.inputs.last); | 2003 instruction.element, receiver, instruction.inputs.last); |
| 2004 } | 2004 } |
| 2005 | 2005 |
| 2006 void visitForeignNew(HForeignNew instruction) { | 2006 void visitForeignNew(HForeignNew instruction) { |
| 2007 memorySet.registerAllocation(instruction); | 2007 memorySet.registerAllocation(instruction); |
| 2008 if (shouldTrackInitialValues(instruction)) { | 2008 if (shouldTrackInitialValues(instruction)) { |
| 2009 int argumentIndex = 0; | 2009 int argumentIndex = 0; |
| 2010 instruction.element.forEachInstanceField((_, Element member) { | 2010 instruction.element.forEachInstanceField((_, Element member) { |
| 2011 if (compiler.elementHasCompileTimeError(member)) return; | 2011 if (compiler.generateCodeWithCompileTimeErrors && |
| 2012 compiler.elementHasCompileTimeError(member)) return; |
| 2012 memorySet.registerFieldValue( | 2013 memorySet.registerFieldValue( |
| 2013 member, instruction, instruction.inputs[argumentIndex++]); | 2014 member, instruction, instruction.inputs[argumentIndex++]); |
| 2014 }, includeSuperAndInjectedMembers: true); | 2015 }, includeSuperAndInjectedMembers: true); |
| 2015 } | 2016 } |
| 2016 // In case this instruction has as input non-escaping objects, we | 2017 // In case this instruction has as input non-escaping objects, we |
| 2017 // need to mark these objects as escaping. | 2018 // need to mark these objects as escaping. |
| 2018 memorySet.killAffectedBy(instruction); | 2019 memorySet.killAffectedBy(instruction); |
| 2019 } | 2020 } |
| 2020 | 2021 |
| 2021 bool shouldTrackInitialValues(HForeignNew instruction) { | 2022 bool shouldTrackInitialValues(HForeignNew instruction) { |
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| 2402 | 2403 |
| 2403 keyedValues.forEach((receiver, values) { | 2404 keyedValues.forEach((receiver, values) { |
| 2404 result.keyedValues[receiver] = | 2405 result.keyedValues[receiver] = |
| 2405 new Map<HInstruction, HInstruction>.from(values); | 2406 new Map<HInstruction, HInstruction>.from(values); |
| 2406 }); | 2407 }); |
| 2407 | 2408 |
| 2408 result.nonEscapingReceivers.addAll(nonEscapingReceivers); | 2409 result.nonEscapingReceivers.addAll(nonEscapingReceivers); |
| 2409 return result; | 2410 return result; |
| 2410 } | 2411 } |
| 2411 } | 2412 } |
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