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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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_COMPILER_JS_INLINING_HEURISTIC_H_ | 5 #ifndef V8_COMPILER_JS_INLINING_HEURISTIC_H_ |
6 #define V8_COMPILER_JS_INLINING_HEURISTIC_H_ | 6 #define V8_COMPILER_JS_INLINING_HEURISTIC_H_ |
7 | 7 |
8 #include "src/compiler/js-inlining.h" | 8 #include "src/compiler/js-inlining.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
11 namespace internal { | 11 namespace internal { |
12 namespace compiler { | 12 namespace compiler { |
13 | 13 |
14 class JSInliningHeuristic final : public AdvancedReducer { | 14 class JSInliningHeuristic final : public AdvancedReducer { |
15 public: | 15 public: |
16 enum Mode { kGeneralInlining, kRestrictedInlining, kStressInlining }; | 16 enum Mode { kGeneralInlining, kRestrictedInlining, kStressInlining }; |
17 JSInliningHeuristic(Editor* editor, Mode mode, Zone* local_zone, | 17 JSInliningHeuristic(Editor* editor, Mode mode, Zone* local_zone, |
18 CompilationInfo* info, JSGraph* jsgraph) | 18 CompilationInfo* info, JSGraph* jsgraph) |
19 : AdvancedReducer(editor), | 19 : AdvancedReducer(editor), |
20 mode_(mode), | 20 mode_(mode), |
21 local_zone_(local_zone), | 21 local_zone_(local_zone), |
22 jsgraph_(jsgraph), | 22 jsgraph_(jsgraph), |
23 inliner_(editor, local_zone, info, jsgraph), | 23 inliner_(editor, local_zone, info, jsgraph), |
24 candidates_(local_zone) {} | 24 candidates_(local_zone), |
| 25 info_(info) {} |
25 | 26 |
26 Reduction Reduce(Node* node) final; | 27 Reduction Reduce(Node* node) final; |
27 | 28 |
28 // Processes the list of candidates gathered while the reducer was running, | 29 // Processes the list of candidates gathered while the reducer was running, |
29 // and inlines call sites that the heuristic determines to be important. | 30 // and inlines call sites that the heuristic determines to be important. |
30 void ProcessCandidates(); | 31 void ProcessCandidates(); |
31 | 32 |
32 private: | 33 private: |
33 struct Candidate { | 34 struct Candidate { |
34 Handle<JSFunction> function; // The call target being inlined. | 35 Handle<JSFunction> function; // The call target being inlined. |
35 Node* node; // The call site at which to inline. | 36 Node* node; // The call site at which to inline. |
36 int calls; // Number of times the call site was hit. | 37 int calls; // Number of times the call site was hit. |
37 }; | 38 }; |
38 | 39 |
39 static bool Compare(const Candidate& left, const Candidate& right); | 40 static bool Compare(const Candidate& left, const Candidate& right); |
40 void PrintCandidates(); | 41 void PrintCandidates(); |
41 | 42 |
42 Mode const mode_; | 43 Mode const mode_; |
43 Zone* local_zone_; | 44 Zone* local_zone_; |
44 JSGraph* jsgraph_; | 45 JSGraph* jsgraph_; |
45 JSInliner inliner_; | 46 JSInliner inliner_; |
46 ZoneVector<Candidate> candidates_; | 47 ZoneVector<Candidate> candidates_; |
| 48 CompilationInfo* info_; |
47 }; | 49 }; |
48 | 50 |
49 } // namespace compiler | 51 } // namespace compiler |
50 } // namespace internal | 52 } // namespace internal |
51 } // namespace v8 | 53 } // namespace v8 |
52 | 54 |
53 #endif // V8_COMPILER_JS_INLINING_HEURISTIC_H_ | 55 #endif // V8_COMPILER_JS_INLINING_HEURISTIC_H_ |
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