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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_GENERIC_LOWERING_H_ | 5 #ifndef V8_COMPILER_JS_GENERIC_LOWERING_H_ |
6 #define V8_COMPILER_JS_GENERIC_LOWERING_H_ | 6 #define V8_COMPILER_JS_GENERIC_LOWERING_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/code-factory.h" | 9 #include "src/code-factory.h" |
10 #include "src/compiler/graph.h" | 10 #include "src/compiler/graph.h" |
11 #include "src/compiler/graph-reducer.h" | 11 #include "src/compiler/graph-reducer.h" |
12 #include "src/compiler/js-graph.h" | 12 #include "src/compiler/js-graph.h" |
13 #include "src/compiler/linkage.h" | 13 #include "src/compiler/linkage.h" |
14 #include "src/compiler/opcodes.h" | 14 #include "src/compiler/opcodes.h" |
15 | 15 |
16 namespace v8 { | 16 namespace v8 { |
17 namespace internal { | 17 namespace internal { |
18 namespace compiler { | 18 namespace compiler { |
19 | 19 |
20 // Forward declarations. | 20 // Forward declarations. |
21 class CommonOperatorBuilder; | 21 class CommonOperatorBuilder; |
22 class MachineOperatorBuilder; | 22 class MachineOperatorBuilder; |
23 class Linkage; | 23 class Linkage; |
24 | 24 |
25 | 25 |
26 // Lowers JS-level operators to runtime and IC calls in the "generic" case. | 26 // Lowers JS-level operators to runtime and IC calls in the "generic" case. |
27 class JSGenericLowering FINAL : public Reducer { | 27 class JSGenericLowering FINAL : public Reducer { |
28 public: | 28 public: |
29 JSGenericLowering(CompilationInfo* info, JSGraph* graph); | 29 JSGenericLowering(bool is_typing_enabled, JSGraph* graph); |
30 ~JSGenericLowering() FINAL {} | 30 ~JSGenericLowering() FINAL {} |
31 | 31 |
32 Reduction Reduce(Node* node) FINAL; | 32 Reduction Reduce(Node* node) FINAL; |
33 | 33 |
34 protected: | 34 protected: |
35 #define DECLARE_LOWER(x) void Lower##x(Node* node); | 35 #define DECLARE_LOWER(x) void Lower##x(Node* node); |
36 // Dispatched depending on opcode. | 36 // Dispatched depending on opcode. |
37 JS_OP_LIST(DECLARE_LOWER) | 37 JS_OP_LIST(DECLARE_LOWER) |
38 #undef DECLARE_LOWER | 38 #undef DECLARE_LOWER |
39 | 39 |
40 // Helpers to patch existing nodes in the graph. | 40 // Helpers to patch existing nodes in the graph. |
41 void PatchOperator(Node* node, const Operator* new_op); | 41 void PatchOperator(Node* node, const Operator* new_op); |
42 void PatchInsertInput(Node* node, int index, Node* input); | 42 void PatchInsertInput(Node* node, int index, Node* input); |
43 | 43 |
44 // Helpers to replace existing nodes with a generic call. | 44 // Helpers to replace existing nodes with a generic call. |
45 void ReplaceWithCompareIC(Node* node, Token::Value token); | 45 void ReplaceWithCompareIC(Node* node, Token::Value token); |
46 void ReplaceWithStubCall(Node* node, Callable c, CallDescriptor::Flags flags); | 46 void ReplaceWithStubCall(Node* node, Callable c, CallDescriptor::Flags flags); |
47 void ReplaceWithBuiltinCall(Node* node, Builtins::JavaScript id, int args); | 47 void ReplaceWithBuiltinCall(Node* node, Builtins::JavaScript id, int args); |
48 void ReplaceWithRuntimeCall(Node* node, Runtime::FunctionId f, int args = -1); | 48 void ReplaceWithRuntimeCall(Node* node, Runtime::FunctionId f, int args = -1); |
49 | 49 |
50 // Helper for optimization of JSCallFunction. | 50 // Helper for optimization of JSCallFunction. |
51 bool TryLowerDirectJSCall(Node* node); | 51 bool TryLowerDirectJSCall(Node* node); |
52 | 52 |
53 Zone* zone() const { return graph()->zone(); } | 53 Zone* zone() const { return graph()->zone(); } |
54 Isolate* isolate() const { return info_->isolate(); } | 54 Isolate* isolate() const { return jsgraph()->isolate(); } |
55 JSGraph* jsgraph() const { return jsgraph_; } | 55 JSGraph* jsgraph() const { return jsgraph_; } |
56 Graph* graph() const { return jsgraph()->graph(); } | 56 Graph* graph() const { return jsgraph()->graph(); } |
57 Linkage* linkage() const { return linkage_; } | |
58 CompilationInfo* info() const { return info_; } | |
59 CommonOperatorBuilder* common() const { return jsgraph()->common(); } | 57 CommonOperatorBuilder* common() const { return jsgraph()->common(); } |
60 MachineOperatorBuilder* machine() const { return jsgraph()->machine(); } | 58 MachineOperatorBuilder* machine() const { return jsgraph()->machine(); } |
61 | 59 |
62 private: | 60 private: |
63 CompilationInfo* info_; | 61 bool is_typing_enabled_; |
64 JSGraph* jsgraph_; | 62 JSGraph* jsgraph_; |
65 Linkage* linkage_; | |
66 }; | 63 }; |
67 | 64 |
68 } // namespace compiler | 65 } // namespace compiler |
69 } // namespace internal | 66 } // namespace internal |
70 } // namespace v8 | 67 } // namespace v8 |
71 | 68 |
72 #endif // V8_COMPILER_JS_GENERIC_LOWERING_H_ | 69 #endif // V8_COMPILER_JS_GENERIC_LOWERING_H_ |
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