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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. | 
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without | 
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are | 
| 4 // met: | 4 // met: | 
| 5 // | 5 // | 
| 6 //     * Redistributions of source code must retain the above copyright | 6 //     * Redistributions of source code must retain the above copyright | 
| 7 //       notice, this list of conditions and the following disclaimer. | 7 //       notice, this list of conditions and the following disclaimer. | 
| 8 //     * Redistributions in binary form must reproduce the above | 8 //     * Redistributions in binary form must reproduce the above | 
| 9 //       copyright notice, this list of conditions and the following | 9 //       copyright notice, this list of conditions and the following | 
| 10 //       disclaimer in the documentation and/or other materials provided | 10 //       disclaimer in the documentation and/or other materials provided | 
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| 50   void UpdateControlFlowRange(Token::Value op, HValue* value, HValue* other); | 50   void UpdateControlFlowRange(Token::Value op, HValue* value, HValue* other); | 
| 51   void InferRange(HValue* value); | 51   void InferRange(HValue* value); | 
| 52   void RollBackTo(int index); | 52   void RollBackTo(int index); | 
| 53   void AddRange(HValue* value, Range* range); | 53   void AddRange(HValue* value, Range* range); | 
| 54   void AddToWorklist(HValue* value) { | 54   void AddToWorklist(HValue* value) { | 
| 55     if (in_worklist_.Contains(value->id())) return; | 55     if (in_worklist_.Contains(value->id())) return; | 
| 56     in_worklist_.Add(value->id()); | 56     in_worklist_.Add(value->id()); | 
| 57     worklist_.Add(value, zone()); | 57     worklist_.Add(value, zone()); | 
| 58   } | 58   } | 
| 59   void PropagateMinusZeroChecks(HValue* value); | 59   void PropagateMinusZeroChecks(HValue* value); | 
|  | 60   void PoisonRanges(); | 
| 60 | 61 | 
| 61   ZoneList<HValue*> changed_ranges_; | 62   ZoneList<HValue*> changed_ranges_; | 
| 62 | 63 | 
| 63   BitVector in_worklist_; | 64   BitVector in_worklist_; | 
| 64   ZoneList<HValue*> worklist_; | 65   ZoneList<HValue*> worklist_; | 
| 65 | 66 | 
| 66   DISALLOW_COPY_AND_ASSIGN(HRangeAnalysisPhase); | 67   DISALLOW_COPY_AND_ASSIGN(HRangeAnalysisPhase); | 
| 67 }; | 68 }; | 
| 68 | 69 | 
| 69 | 70 | 
| 70 } }  // namespace v8::internal | 71 } }  // namespace v8::internal | 
| 71 | 72 | 
| 72 #endif  // V8_HYDROGEN_RANGE_ANALYSIS_H_ | 73 #endif  // V8_HYDROGEN_RANGE_ANALYSIS_H_ | 
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