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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_RAW_MACHINE_ASSEMBLER_H_ | 5 #ifndef V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_ |
6 #define V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_ | 6 #define V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_ |
7 | 7 |
8 #include "src/v8.h" | 8 #include "src/v8.h" |
9 | 9 |
10 #include "src/compiler/common-operator.h" | 10 #include "src/compiler/common-operator.h" |
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22 class BasicBlock; | 22 class BasicBlock; |
23 class Schedule; | 23 class Schedule; |
24 | 24 |
25 | 25 |
26 class RawMachineAssembler : public GraphBuilder, | 26 class RawMachineAssembler : public GraphBuilder, |
27 public MachineNodeFactory<RawMachineAssembler> { | 27 public MachineNodeFactory<RawMachineAssembler> { |
28 public: | 28 public: |
29 class Label { | 29 class Label { |
30 public: | 30 public: |
31 Label() : block_(NULL), used_(false), bound_(false) {} | 31 Label() : block_(NULL), used_(false), bound_(false) {} |
32 ~Label() { ASSERT(bound_ || !used_); } | 32 ~Label() { DCHECK(bound_ || !used_); } |
33 | 33 |
34 BasicBlock* block() { return block_; } | 34 BasicBlock* block() { return block_; } |
35 | 35 |
36 private: | 36 private: |
37 // Private constructor for exit label. | 37 // Private constructor for exit label. |
38 explicit Label(BasicBlock* block) | 38 explicit Label(BasicBlock* block) |
39 : block_(block), used_(false), bound_(false) {} | 39 : block_(block), used_(false), bound_(false) {} |
40 | 40 |
41 BasicBlock* block_; | 41 BasicBlock* block_; |
42 bool used_; | 42 bool used_; |
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90 return NewNode(common()->Phi(4), n1, n2, n3, n4); | 90 return NewNode(common()->Phi(4), n1, n2, n3, n4); |
91 } | 91 } |
92 | 92 |
93 // MachineAssembler is invalid after export. | 93 // MachineAssembler is invalid after export. |
94 Schedule* Export(); | 94 Schedule* Export(); |
95 | 95 |
96 protected: | 96 protected: |
97 virtual Node* MakeNode(Operator* op, int input_count, Node** inputs); | 97 virtual Node* MakeNode(Operator* op, int input_count, Node** inputs); |
98 | 98 |
99 Schedule* schedule() { | 99 Schedule* schedule() { |
100 ASSERT(ScheduleValid()); | 100 DCHECK(ScheduleValid()); |
101 return schedule_; | 101 return schedule_; |
102 } | 102 } |
103 | 103 |
104 private: | 104 private: |
105 bool ScheduleValid() { return schedule_ != NULL; } | 105 bool ScheduleValid() { return schedule_ != NULL; } |
106 | 106 |
107 BasicBlock* Use(Label* label); | 107 BasicBlock* Use(Label* label); |
108 BasicBlock* EnsureBlock(Label* label); | 108 BasicBlock* EnsureBlock(Label* label); |
109 BasicBlock* CurrentBlock(); | 109 BasicBlock* CurrentBlock(); |
110 | 110 |
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121 BasicBlock* current_block_; | 121 BasicBlock* current_block_; |
122 | 122 |
123 DISALLOW_COPY_AND_ASSIGN(RawMachineAssembler); | 123 DISALLOW_COPY_AND_ASSIGN(RawMachineAssembler); |
124 }; | 124 }; |
125 | 125 |
126 } // namespace compiler | 126 } // namespace compiler |
127 } // namespace internal | 127 } // namespace internal |
128 } // namespace v8 | 128 } // namespace v8 |
129 | 129 |
130 #endif // V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_ | 130 #endif // V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_ |
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