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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_HYDROGEN_CHECK_ELIMINATION_H_ | 5 #ifndef V8_HYDROGEN_CHECK_ELIMINATION_H_ |
6 #define V8_HYDROGEN_CHECK_ELIMINATION_H_ | 6 #define V8_HYDROGEN_CHECK_ELIMINATION_H_ |
7 | 7 |
8 #include "src/hydrogen.h" | 8 #include "src/hydrogen.h" |
9 #include "src/hydrogen-alias-analysis.h" | 9 #include "src/hydrogen-alias-analysis.h" |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace internal { | 12 namespace internal { |
13 | 13 |
14 | 14 |
15 // Remove CheckMaps instructions through flow- and branch-sensitive analysis. | 15 // Remove CheckMaps instructions through flow- and branch-sensitive analysis. |
16 class HCheckEliminationPhase : public HPhase { | 16 class HCheckEliminationPhase : public HPhase { |
17 public: | 17 public: |
18 explicit HCheckEliminationPhase(HGraph* graph) | 18 explicit HCheckEliminationPhase(HGraph* graph) |
19 : HPhase("H_Check Elimination", graph), aliasing_(), | 19 : HPhase("H_Check Elimination", graph), aliasing_(), |
20 string_maps_(kStringMapsSize, zone()) { | 20 string_maps_(kStringMapsSize, zone()) { |
21 // Compute the set of string maps. | 21 // Compute the set of string maps. |
22 #define ADD_STRING_MAP(type, size, name, Name) \ | 22 #define ADD_STRING_MAP(type, size, name, Name) \ |
23 string_maps_.Add(Unique<Map>::CreateImmovable( \ | 23 string_maps_.Add(Unique<Map>::CreateImmovable( \ |
24 graph->isolate()->factory()->name##_map()), zone()); | 24 graph->isolate()->factory()->name##_map()), zone()); |
25 STRING_TYPE_LIST(ADD_STRING_MAP) | 25 STRING_TYPE_LIST(ADD_STRING_MAP) |
26 #undef ADD_STRING_MAP | 26 #undef ADD_STRING_MAP |
27 ASSERT_EQ(kStringMapsSize, string_maps_.size()); | 27 DCHECK_EQ(kStringMapsSize, string_maps_.size()); |
28 #ifdef DEBUG | 28 #ifdef DEBUG |
29 redundant_ = 0; | 29 redundant_ = 0; |
30 removed_ = 0; | 30 removed_ = 0; |
31 removed_cho_ = 0; | 31 removed_cho_ = 0; |
32 removed_cit_ = 0; | 32 removed_cit_ = 0; |
33 narrowed_ = 0; | 33 narrowed_ = 0; |
34 loads_ = 0; | 34 loads_ = 0; |
35 empty_ = 0; | 35 empty_ = 0; |
36 compares_true_ = 0; | 36 compares_true_ = 0; |
37 compares_false_ = 0; | 37 compares_false_ = 0; |
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64 int compares_true_; | 64 int compares_true_; |
65 int compares_false_; | 65 int compares_false_; |
66 int transitions_; | 66 int transitions_; |
67 #endif | 67 #endif |
68 }; | 68 }; |
69 | 69 |
70 | 70 |
71 } } // namespace v8::internal | 71 } } // namespace v8::internal |
72 | 72 |
73 #endif // V8_HYDROGEN_CHECK_ELIMINATION_H_ | 73 #endif // V8_HYDROGEN_CHECK_ELIMINATION_H_ |
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