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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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36 | 36 |
37 | 37 |
38 // Remove CheckMaps instructions through flow- and branch-sensitive analysis. | 38 // Remove CheckMaps instructions through flow- and branch-sensitive analysis. |
39 class HCheckEliminationPhase : public HPhase { | 39 class HCheckEliminationPhase : public HPhase { |
40 public: | 40 public: |
41 explicit HCheckEliminationPhase(HGraph* graph) | 41 explicit HCheckEliminationPhase(HGraph* graph) |
42 : HPhase("H_Check Elimination", graph), | 42 : HPhase("H_Check Elimination", graph), |
43 aliasing_(), | 43 aliasing_(), |
44 redundant_(0), | 44 redundant_(0), |
45 removed_(0), | 45 removed_(0), |
| 46 removed_cho_(0), |
46 narrowed_(0), | 47 narrowed_(0), |
47 loads_(0), | 48 loads_(0), |
48 empty_(0), | 49 empty_(0), |
49 compares_true_(0), | 50 compares_true_(0), |
50 compares_false_(0), | 51 compares_false_(0), |
51 transitions_(0) { } | 52 transitions_(0) { } |
52 | 53 |
53 void Run(); | 54 void Run(); |
54 | 55 |
55 friend class HCheckTable; | 56 friend class HCheckTable; |
56 | 57 |
57 private: | 58 private: |
58 void PrintStats(); | 59 void PrintStats(); |
59 | 60 |
60 HAliasAnalyzer* aliasing_; | 61 HAliasAnalyzer* aliasing_; |
61 int redundant_; | 62 int redundant_; |
62 int removed_; | 63 int removed_; |
| 64 int removed_cho_; |
63 int narrowed_; | 65 int narrowed_; |
64 int loads_; | 66 int loads_; |
65 int empty_; | 67 int empty_; |
66 int compares_true_; | 68 int compares_true_; |
67 int compares_false_; | 69 int compares_false_; |
68 int transitions_; | 70 int transitions_; |
69 }; | 71 }; |
70 | 72 |
71 | 73 |
72 } } // namespace v8::internal | 74 } } // namespace v8::internal |
73 | 75 |
74 #endif // V8_HYDROGEN_CHECK_ELIMINATION_H_ | 76 #endif // V8_HYDROGEN_CHECK_ELIMINATION_H_ |
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