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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" |
| 11 #include "src/compiler/graph-builder.h" | 11 #include "src/compiler/graph.h" |
| 12 #include "src/compiler/linkage.h" | 12 #include "src/compiler/linkage.h" |
| 13 #include "src/compiler/machine-operator.h" | 13 #include "src/compiler/machine-operator.h" |
| 14 #include "src/compiler/node.h" | 14 #include "src/compiler/node.h" |
| 15 #include "src/compiler/operator.h" | 15 #include "src/compiler/operator.h" |
| 16 | 16 #include "test/cctest/compiler/graph-builder.h" |
| 17 | 17 |
| 18 namespace v8 { | 18 namespace v8 { |
| 19 namespace internal { | 19 namespace internal { |
| 20 namespace compiler { | 20 namespace compiler { |
| 21 | 21 |
| 22 class BasicBlock; | 22 class BasicBlock; |
| 23 class Schedule; | 23 class Schedule; |
| 24 | 24 |
| 25 | |
| 26 class RawMachineAssembler : public GraphBuilder { | 25 class RawMachineAssembler : public GraphBuilder { |
| 27 public: | 26 public: |
| 28 class Label { | 27 class Label { |
| 29 public: | 28 public: |
| 30 Label() : block_(NULL), used_(false), bound_(false) {} | 29 Label() : block_(NULL), used_(false), bound_(false) {} |
| 31 ~Label() { DCHECK(bound_ || !used_); } | 30 ~Label() { DCHECK(bound_ || !used_); } |
| 32 | 31 |
| 33 BasicBlock* block() { return block_; } | 32 BasicBlock* block() { return block_; } |
| 34 | 33 |
| 35 private: | 34 private: |
| 36 // Private constructor for exit label. | 35 // Private constructor for exit label. |
| 37 explicit Label(BasicBlock* block) | 36 explicit Label(BasicBlock* block) |
| 38 : block_(block), used_(false), bound_(false) {} | 37 : block_(block), used_(false), bound_(false) {} |
| 39 | 38 |
| 40 BasicBlock* block_; | 39 BasicBlock* block_; |
| 41 bool used_; | 40 bool used_; |
| 42 bool bound_; | 41 bool bound_; |
| 43 friend class RawMachineAssembler; | 42 friend class RawMachineAssembler; |
| 44 DISALLOW_COPY_AND_ASSIGN(Label); | 43 DISALLOW_COPY_AND_ASSIGN(Label); |
| 45 }; | 44 }; |
| 46 | 45 |
| 47 RawMachineAssembler(Isolate* isolate, Graph* graph, | 46 RawMachineAssembler(Isolate* isolate, Graph* graph, |
| 48 MachineSignature* machine_sig, | 47 MachineSignature* machine_sig, |
| 49 MachineType word = kMachPtr, | 48 MachineType word = kMachPtr, |
| 50 MachineOperatorBuilder::Flags flags = | 49 MachineOperatorBuilder::Flags flags = |
| 51 MachineOperatorBuilder::Flag::kNoFlags); | 50 MachineOperatorBuilder::Flag::kNoFlags); |
| 52 ~RawMachineAssembler() OVERRIDE {} | 51 ~RawMachineAssembler() {} |
| 53 | 52 |
| 54 Zone* zone() const { return graph()->zone(); } | 53 Zone* zone() const { return graph()->zone(); } |
| 55 MachineOperatorBuilder* machine() { return &machine_; } | 54 MachineOperatorBuilder* machine() { return &machine_; } |
| 56 CommonOperatorBuilder* common() { return &common_; } | 55 CommonOperatorBuilder* common() { return &common_; } |
| 57 CallDescriptor* call_descriptor() const { return call_descriptor_; } | 56 CallDescriptor* call_descriptor() const { return call_descriptor_; } |
| 58 size_t parameter_count() const { return machine_sig_->parameter_count(); } | 57 size_t parameter_count() const { return machine_sig_->parameter_count(); } |
| 59 MachineSignature* machine_sig() const { return machine_sig_; } | 58 MachineSignature* machine_sig() const { return machine_sig_; } |
| 60 | 59 |
| 61 Node* UndefinedConstant() { | 60 Node* UndefinedConstant() { |
| 62 Unique<HeapObject> unique = Unique<HeapObject>::CreateImmovable( | 61 Unique<HeapObject> unique = Unique<HeapObject>::CreateImmovable( |
| (...skipping 360 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 423 return NewNode(common()->Phi(type, 3), n1, n2, n3); | 422 return NewNode(common()->Phi(type, 3), n1, n2, n3); |
| 424 } | 423 } |
| 425 Node* Phi(MachineType type, Node* n1, Node* n2, Node* n3, Node* n4) { | 424 Node* Phi(MachineType type, Node* n1, Node* n2, Node* n3, Node* n4) { |
| 426 return NewNode(common()->Phi(type, 4), n1, n2, n3, n4); | 425 return NewNode(common()->Phi(type, 4), n1, n2, n3, n4); |
| 427 } | 426 } |
| 428 | 427 |
| 429 // MachineAssembler is invalid after export. | 428 // MachineAssembler is invalid after export. |
| 430 Schedule* Export(); | 429 Schedule* Export(); |
| 431 | 430 |
| 432 protected: | 431 protected: |
| 433 Node* MakeNode(const Operator* op, int input_count, Node** inputs, | 432 virtual Node* MakeNode(const Operator* op, int value_input_count, |
| 434 bool incomplete) FINAL; | 433 Node** value_inputs, bool incomplete) FINAL; |
| 435 | 434 |
| 436 bool ScheduleValid() { return schedule_ != NULL; } | 435 bool ScheduleValid() { return schedule_ != NULL; } |
| 437 | 436 |
| 438 Schedule* schedule() { | 437 Schedule* schedule() { |
| 439 DCHECK(ScheduleValid()); | 438 DCHECK(ScheduleValid()); |
| 440 return schedule_; | 439 return schedule_; |
| 441 } | 440 } |
| 442 | 441 |
| 443 private: | 442 private: |
| 444 BasicBlock* Use(Label* label); | 443 BasicBlock* Use(Label* label); |
| 445 BasicBlock* EnsureBlock(Label* label); | 444 BasicBlock* EnsureBlock(Label* label); |
| 446 BasicBlock* CurrentBlock(); | 445 BasicBlock* CurrentBlock(); |
| 447 | 446 |
| 447 Isolate* isolate_; |
| 448 Graph* graph_; |
| 448 Schedule* schedule_; | 449 Schedule* schedule_; |
| 449 MachineOperatorBuilder machine_; | 450 MachineOperatorBuilder machine_; |
| 450 CommonOperatorBuilder common_; | 451 CommonOperatorBuilder common_; |
| 451 MachineSignature* machine_sig_; | 452 MachineSignature* machine_sig_; |
| 452 CallDescriptor* call_descriptor_; | 453 CallDescriptor* call_descriptor_; |
| 453 Node** parameters_; | 454 Node** parameters_; |
| 454 Label exit_label_; | 455 Label exit_label_; |
| 455 BasicBlock* current_block_; | 456 BasicBlock* current_block_; |
| 456 | 457 |
| 457 DISALLOW_COPY_AND_ASSIGN(RawMachineAssembler); | 458 DISALLOW_COPY_AND_ASSIGN(RawMachineAssembler); |
| 458 }; | 459 }; |
| 459 | 460 |
| 460 } // namespace compiler | 461 } // namespace compiler |
| 461 } // namespace internal | 462 } // namespace internal |
| 462 } // namespace v8 | 463 } // namespace v8 |
| 463 | 464 |
| 464 #endif // V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_ | 465 #endif // V8_COMPILER_RAW_MACHINE_ASSEMBLER_H_ |
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