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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_TYPE_FEEDBACK_VECTOR_H_ | 5 #ifndef V8_TYPE_FEEDBACK_VECTOR_H_ |
6 #define V8_TYPE_FEEDBACK_VECTOR_H_ | 6 #define V8_TYPE_FEEDBACK_VECTOR_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "src/checks.h" | 10 #include "src/checks.h" |
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350 DCHECK(vector->GetKind(slot) == Code::CALL_IC); | 350 DCHECK(vector->GetKind(slot) == Code::CALL_IC); |
351 } | 351 } |
352 | 352 |
353 void Clear(Code* host); | 353 void Clear(Code* host); |
354 | 354 |
355 void ConfigureUninitialized(); | 355 void ConfigureUninitialized(); |
356 void ConfigureGeneric(); | 356 void ConfigureGeneric(); |
357 void ConfigureMonomorphicArray(); | 357 void ConfigureMonomorphicArray(); |
358 void ConfigureMonomorphic(Handle<JSFunction> function); | 358 void ConfigureMonomorphic(Handle<JSFunction> function); |
359 | 359 |
360 InlineCacheState StateFromFeedback() const OVERRIDE; | 360 InlineCacheState StateFromFeedback() const override; |
361 | 361 |
362 int ExtractMaps(MapHandleList* maps) const OVERRIDE { | 362 int ExtractMaps(MapHandleList* maps) const override { |
363 // CallICs don't record map feedback. | 363 // CallICs don't record map feedback. |
364 return 0; | 364 return 0; |
365 } | 365 } |
366 MaybeHandle<Code> FindHandlerForMap(Handle<Map> map) const OVERRIDE { | 366 MaybeHandle<Code> FindHandlerForMap(Handle<Map> map) const override { |
367 return MaybeHandle<Code>(); | 367 return MaybeHandle<Code>(); |
368 } | 368 } |
369 virtual bool FindHandlers(CodeHandleList* code_list, | 369 virtual bool FindHandlers(CodeHandleList* code_list, |
370 int length = -1) const OVERRIDE { | 370 int length = -1) const override { |
371 return length == 0; | 371 return length == 0; |
372 } | 372 } |
373 }; | 373 }; |
374 | 374 |
375 | 375 |
376 class LoadICNexus : public FeedbackNexus { | 376 class LoadICNexus : public FeedbackNexus { |
377 public: | 377 public: |
378 LoadICNexus(Handle<TypeFeedbackVector> vector, FeedbackVectorICSlot slot) | 378 LoadICNexus(Handle<TypeFeedbackVector> vector, FeedbackVectorICSlot slot) |
379 : FeedbackNexus(vector, slot) { | 379 : FeedbackNexus(vector, slot) { |
380 DCHECK(vector->GetKind(slot) == Code::LOAD_IC); | 380 DCHECK(vector->GetKind(slot) == Code::LOAD_IC); |
381 } | 381 } |
382 LoadICNexus(TypeFeedbackVector* vector, FeedbackVectorICSlot slot) | 382 LoadICNexus(TypeFeedbackVector* vector, FeedbackVectorICSlot slot) |
383 : FeedbackNexus(vector, slot) { | 383 : FeedbackNexus(vector, slot) { |
384 DCHECK(vector->GetKind(slot) == Code::LOAD_IC); | 384 DCHECK(vector->GetKind(slot) == Code::LOAD_IC); |
385 } | 385 } |
386 | 386 |
387 void Clear(Code* host); | 387 void Clear(Code* host); |
388 | 388 |
389 void ConfigureMegamorphic(); | 389 void ConfigureMegamorphic(); |
390 void ConfigurePremonomorphic(); | 390 void ConfigurePremonomorphic(); |
391 void ConfigureMonomorphic(Handle<Map> receiver_map, Handle<Code> handler); | 391 void ConfigureMonomorphic(Handle<Map> receiver_map, Handle<Code> handler); |
392 | 392 |
393 void ConfigurePolymorphic(MapHandleList* maps, CodeHandleList* handlers); | 393 void ConfigurePolymorphic(MapHandleList* maps, CodeHandleList* handlers); |
394 | 394 |
395 InlineCacheState StateFromFeedback() const OVERRIDE; | 395 InlineCacheState StateFromFeedback() const override; |
396 }; | 396 }; |
397 | 397 |
398 | 398 |
399 class KeyedLoadICNexus : public FeedbackNexus { | 399 class KeyedLoadICNexus : public FeedbackNexus { |
400 public: | 400 public: |
401 KeyedLoadICNexus(Handle<TypeFeedbackVector> vector, FeedbackVectorICSlot slot) | 401 KeyedLoadICNexus(Handle<TypeFeedbackVector> vector, FeedbackVectorICSlot slot) |
402 : FeedbackNexus(vector, slot) { | 402 : FeedbackNexus(vector, slot) { |
403 DCHECK(vector->GetKind(slot) == Code::KEYED_LOAD_IC); | 403 DCHECK(vector->GetKind(slot) == Code::KEYED_LOAD_IC); |
404 } | 404 } |
405 KeyedLoadICNexus(TypeFeedbackVector* vector, FeedbackVectorICSlot slot) | 405 KeyedLoadICNexus(TypeFeedbackVector* vector, FeedbackVectorICSlot slot) |
406 : FeedbackNexus(vector, slot) { | 406 : FeedbackNexus(vector, slot) { |
407 DCHECK(vector->GetKind(slot) == Code::KEYED_LOAD_IC); | 407 DCHECK(vector->GetKind(slot) == Code::KEYED_LOAD_IC); |
408 } | 408 } |
409 | 409 |
410 void Clear(Code* host); | 410 void Clear(Code* host); |
411 | 411 |
412 void ConfigureMegamorphic(); | 412 void ConfigureMegamorphic(); |
413 void ConfigurePremonomorphic(); | 413 void ConfigurePremonomorphic(); |
414 // name can be a null handle for element loads. | 414 // name can be a null handle for element loads. |
415 void ConfigureMonomorphic(Handle<Name> name, Handle<Map> receiver_map, | 415 void ConfigureMonomorphic(Handle<Name> name, Handle<Map> receiver_map, |
416 Handle<Code> handler); | 416 Handle<Code> handler); |
417 // name can be null. | 417 // name can be null. |
418 void ConfigurePolymorphic(Handle<Name> name, MapHandleList* maps, | 418 void ConfigurePolymorphic(Handle<Name> name, MapHandleList* maps, |
419 CodeHandleList* handlers); | 419 CodeHandleList* handlers); |
420 | 420 |
421 InlineCacheState StateFromFeedback() const OVERRIDE; | 421 InlineCacheState StateFromFeedback() const override; |
422 Name* FindFirstName() const OVERRIDE; | 422 Name* FindFirstName() const override; |
423 }; | 423 }; |
424 } | 424 } |
425 } // namespace v8::internal | 425 } // namespace v8::internal |
426 | 426 |
427 #endif // V8_TRANSITIONS_H_ | 427 #endif // V8_TRANSITIONS_H_ |
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