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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_FULL_CODEGEN_H_ | 5 #ifndef V8_FULL_CODEGEN_H_ |
6 #define V8_FULL_CODEGEN_H_ | 6 #define V8_FULL_CODEGEN_H_ |
7 | 7 |
8 #include "src/v8.h" | 8 #include "src/v8.h" |
9 | 9 |
10 #include "src/allocation.h" | 10 #include "src/allocation.h" |
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425 | 425 |
426 // Bailout support. | 426 // Bailout support. |
427 void PrepareForBailout(Expression* node, State state); | 427 void PrepareForBailout(Expression* node, State state); |
428 void PrepareForBailoutForId(BailoutId id, State state); | 428 void PrepareForBailoutForId(BailoutId id, State state); |
429 | 429 |
430 // Feedback slot support. The feedback vector will be cleared during gc and | 430 // Feedback slot support. The feedback vector will be cleared during gc and |
431 // collected by the type-feedback oracle. | 431 // collected by the type-feedback oracle. |
432 Handle<FixedArray> FeedbackVector() { | 432 Handle<FixedArray> FeedbackVector() { |
433 return info_->feedback_vector(); | 433 return info_->feedback_vector(); |
434 } | 434 } |
435 void EnsureSlotContainsAllocationSite(int slot); | 435 void EnsureSlotContainsAllocationSite(FeedbackVectorSlot slot); |
| 436 Smi* SmiFromSlot(FeedbackVectorSlot slot) const { |
| 437 return Smi::FromInt(slot.ToInt()); |
| 438 } |
436 | 439 |
437 // Record a call's return site offset, used to rebuild the frame if the | 440 // Record a call's return site offset, used to rebuild the frame if the |
438 // called function was inlined at the site. | 441 // called function was inlined at the site. |
439 void RecordJSReturnSite(Call* call); | 442 void RecordJSReturnSite(Call* call); |
440 | 443 |
441 // Prepare for bailout before a test (or compare) and branch. If | 444 // Prepare for bailout before a test (or compare) and branch. If |
442 // should_normalize, then the following comparison will not handle the | 445 // should_normalize, then the following comparison will not handle the |
443 // canonical JS true value so we will insert a (dead) test against true at | 446 // canonical JS true value so we will insert a (dead) test against true at |
444 // the actual bailout target from the optimized code. If not | 447 // the actual bailout target from the optimized code. If not |
445 // should_normalize, the true and false labels are ignored. | 448 // should_normalize, the true and false labels are ignored. |
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980 | 983 |
981 Address start_; | 984 Address start_; |
982 Address instruction_start_; | 985 Address instruction_start_; |
983 uint32_t length_; | 986 uint32_t length_; |
984 }; | 987 }; |
985 | 988 |
986 | 989 |
987 } } // namespace v8::internal | 990 } } // namespace v8::internal |
988 | 991 |
989 #endif // V8_FULL_CODEGEN_H_ | 992 #endif // V8_FULL_CODEGEN_H_ |
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