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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_COMMON_OPERATOR_H_ | 5 #ifndef V8_COMPILER_COMMON_OPERATOR_H_ |
6 #define V8_COMPILER_COMMON_OPERATOR_H_ | 6 #define V8_COMPILER_COMMON_OPERATOR_H_ |
7 | 7 |
8 #include "src/assembler.h" | 8 #include "src/assembler.h" |
9 #include "src/base/compiler-specific.h" | 9 #include "src/base/compiler-specific.h" |
10 #include "src/compiler/frame-states.h" | 10 #include "src/compiler/frame-states.h" |
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45 V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, BranchHint); | 45 V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, BranchHint); |
46 | 46 |
47 V8_EXPORT_PRIVATE BranchHint BranchHintOf(const Operator* const); | 47 V8_EXPORT_PRIVATE BranchHint BranchHintOf(const Operator* const); |
48 | 48 |
49 // Deoptimize reason for Deoptimize, DeoptimizeIf and DeoptimizeUnless. | 49 // Deoptimize reason for Deoptimize, DeoptimizeIf and DeoptimizeUnless. |
50 DeoptimizeReason DeoptimizeReasonOf(Operator const* const); | 50 DeoptimizeReason DeoptimizeReasonOf(Operator const* const); |
51 | 51 |
52 // Helper function for return nodes, because returns have a hidden value input. | 52 // Helper function for return nodes, because returns have a hidden value input. |
53 int ValueInputCountOfReturn(Operator const* const op); | 53 int ValueInputCountOfReturn(Operator const* const op); |
54 | 54 |
| 55 // Deoptimize bailout kind. |
| 56 enum class DeoptimizeKind : uint8_t { kEager, kSoft }; |
| 57 |
| 58 size_t hash_value(DeoptimizeKind kind); |
| 59 |
| 60 std::ostream& operator<<(std::ostream&, DeoptimizeKind); |
| 61 |
55 // Parameters for the {Deoptimize} operator. | 62 // Parameters for the {Deoptimize} operator. |
56 class DeoptimizeParameters final { | 63 class DeoptimizeParameters final { |
57 public: | 64 public: |
58 DeoptimizeParameters(DeoptimizeKind kind, DeoptimizeReason reason) | 65 DeoptimizeParameters(DeoptimizeKind kind, DeoptimizeReason reason) |
59 : kind_(kind), reason_(reason) {} | 66 : kind_(kind), reason_(reason) {} |
60 | 67 |
61 DeoptimizeKind kind() const { return kind_; } | 68 DeoptimizeKind kind() const { return kind_; } |
62 DeoptimizeReason reason() const { return reason_; } | 69 DeoptimizeReason reason() const { return reason_; } |
63 | 70 |
64 private: | 71 private: |
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312 const Operator* Branch(BranchHint = BranchHint::kNone); | 319 const Operator* Branch(BranchHint = BranchHint::kNone); |
313 const Operator* IfTrue(); | 320 const Operator* IfTrue(); |
314 const Operator* IfFalse(); | 321 const Operator* IfFalse(); |
315 const Operator* IfSuccess(); | 322 const Operator* IfSuccess(); |
316 const Operator* IfException(); | 323 const Operator* IfException(); |
317 const Operator* Switch(size_t control_output_count); | 324 const Operator* Switch(size_t control_output_count); |
318 const Operator* IfValue(int32_t value); | 325 const Operator* IfValue(int32_t value); |
319 const Operator* IfDefault(); | 326 const Operator* IfDefault(); |
320 const Operator* Throw(); | 327 const Operator* Throw(); |
321 const Operator* Deoptimize(DeoptimizeKind kind, DeoptimizeReason reason); | 328 const Operator* Deoptimize(DeoptimizeKind kind, DeoptimizeReason reason); |
322 const Operator* DeoptimizeIf(DeoptimizeKind kind, DeoptimizeReason reason); | 329 const Operator* DeoptimizeIf(DeoptimizeReason reason); |
323 const Operator* DeoptimizeUnless(DeoptimizeKind kind, | 330 const Operator* DeoptimizeUnless(DeoptimizeReason reason); |
324 DeoptimizeReason reason); | |
325 const Operator* TrapIf(int32_t trap_id); | 331 const Operator* TrapIf(int32_t trap_id); |
326 const Operator* TrapUnless(int32_t trap_id); | 332 const Operator* TrapUnless(int32_t trap_id); |
327 const Operator* Return(int value_input_count = 1); | 333 const Operator* Return(int value_input_count = 1); |
328 const Operator* Terminate(); | 334 const Operator* Terminate(); |
329 | 335 |
330 const Operator* Start(int value_output_count); | 336 const Operator* Start(int value_output_count); |
331 const Operator* Loop(int control_input_count); | 337 const Operator* Loop(int control_input_count); |
332 const Operator* Merge(int control_input_count); | 338 const Operator* Merge(int control_input_count); |
333 const Operator* Parameter(int index, const char* debug_name = nullptr); | 339 const Operator* Parameter(int index, const char* debug_name = nullptr); |
334 | 340 |
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393 Zone* const zone_; | 399 Zone* const zone_; |
394 | 400 |
395 DISALLOW_COPY_AND_ASSIGN(CommonOperatorBuilder); | 401 DISALLOW_COPY_AND_ASSIGN(CommonOperatorBuilder); |
396 }; | 402 }; |
397 | 403 |
398 } // namespace compiler | 404 } // namespace compiler |
399 } // namespace internal | 405 } // namespace internal |
400 } // namespace v8 | 406 } // namespace v8 |
401 | 407 |
402 #endif // V8_COMPILER_COMMON_OPERATOR_H_ | 408 #endif // V8_COMPILER_COMMON_OPERATOR_H_ |
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