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Side by Side Diff: src/full-codegen/full-codegen.h

Issue 1364373003: Full code shouldn't embed the type feedback vector. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Ports. Created 5 years, 2 months ago
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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_FULL_CODEGEN_H_ 5 #ifndef V8_FULL_CODEGEN_FULL_CODEGEN_H_
6 #define V8_FULL_CODEGEN_FULL_CODEGEN_H_ 6 #define V8_FULL_CODEGEN_FULL_CODEGEN_H_
7 7
8 #include "src/allocation.h" 8 #include "src/allocation.h"
9 #include "src/assert-scope.h" 9 #include "src/assert-scope.h"
10 #include "src/ast.h" 10 #include "src/ast.h"
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413 413
414 // Platform-specific code for equality comparison with a nil-like value. 414 // Platform-specific code for equality comparison with a nil-like value.
415 void EmitLiteralCompareNil(CompareOperation* expr, 415 void EmitLiteralCompareNil(CompareOperation* expr,
416 Expression* sub_expr, 416 Expression* sub_expr,
417 NilValue nil); 417 NilValue nil);
418 418
419 // Bailout support. 419 // Bailout support.
420 void PrepareForBailout(Expression* node, State state); 420 void PrepareForBailout(Expression* node, State state);
421 void PrepareForBailoutForId(BailoutId id, State state); 421 void PrepareForBailoutForId(BailoutId id, State state);
422 422
423 // Feedback slot support. The feedback vector will be cleared during gc and
424 // collected by the type-feedback oracle.
425 Handle<TypeFeedbackVector> FeedbackVector() const {
426 return info_->feedback_vector();
427 }
428 void EnsureSlotContainsAllocationSite(FeedbackVectorSlot slot);
429 void EnsureSlotContainsAllocationSite(FeedbackVectorICSlot slot);
430
431 // Returns a smi for the index into the FixedArray that backs the feedback 423 // Returns a smi for the index into the FixedArray that backs the feedback
432 // vector 424 // vector
433 Smi* SmiFromSlot(FeedbackVectorSlot slot) const { 425 Smi* SmiFromSlot(FeedbackVectorSlot slot) const {
434 return Smi::FromInt(FeedbackVector()->GetIndex(slot)); 426 return Smi::FromInt(TypeFeedbackVector::GetIndexFromSpec(
427 literal()->feedback_vector_spec(), slot));
435 } 428 }
436 429
437 Smi* SmiFromSlot(FeedbackVectorICSlot slot) const { 430 Smi* SmiFromSlot(FeedbackVectorICSlot slot) const {
438 return Smi::FromInt(FeedbackVector()->GetIndex(slot)); 431 return Smi::FromInt(TypeFeedbackVector::GetIndexFromSpec(
432 literal()->feedback_vector_spec(), slot));
439 } 433 }
440 434
441 // Record a call's return site offset, used to rebuild the frame if the 435 // Record a call's return site offset, used to rebuild the frame if the
442 // called function was inlined at the site. 436 // called function was inlined at the site.
443 void RecordJSReturnSite(Call* call); 437 void RecordJSReturnSite(Call* call);
444 438
445 // Prepare for bailout before a test (or compare) and branch. If 439 // Prepare for bailout before a test (or compare) and branch. If
446 // should_normalize, then the following comparison will not handle the 440 // should_normalize, then the following comparison will not handle the
447 // canonical JS true value so we will insert a (dead) test against true at 441 // canonical JS true value so we will insert a (dead) test against true at
448 // the actual bailout target from the optimized code. If not 442 // the actual bailout target from the optimized code. If not
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695 689
696 class ExpressionContext; 690 class ExpressionContext;
697 const ExpressionContext* context() { return context_; } 691 const ExpressionContext* context() { return context_; }
698 void set_new_context(const ExpressionContext* context) { context_ = context; } 692 void set_new_context(const ExpressionContext* context) { context_ = context; }
699 693
700 Handle<Script> script() { return info_->script(); } 694 Handle<Script> script() { return info_->script(); }
701 bool is_eval() { return info_->is_eval(); } 695 bool is_eval() { return info_->is_eval(); }
702 bool is_native() { return info_->is_native(); } 696 bool is_native() { return info_->is_native(); }
703 LanguageMode language_mode() { return literal()->language_mode(); } 697 LanguageMode language_mode() { return literal()->language_mode(); }
704 bool has_simple_parameters() { return info_->has_simple_parameters(); } 698 bool has_simple_parameters() { return info_->has_simple_parameters(); }
705 FunctionLiteral* literal() { return info_->literal(); } 699 FunctionLiteral* literal() const { return info_->literal(); }
706 Scope* scope() { return scope_; } 700 Scope* scope() { return scope_; }
707 701
708 static Register result_register(); 702 static Register result_register();
709 static Register context_register(); 703 static Register context_register();
710 704
711 // Set fields in the stack frame. Offsets are the frame pointer relative 705 // Set fields in the stack frame. Offsets are the frame pointer relative
712 // offsets defined in, e.g., StandardFrameConstants. 706 // offsets defined in, e.g., StandardFrameConstants.
713 void StoreToFrameField(int frame_offset, Register value); 707 void StoreToFrameField(int frame_offset, Register value);
714 708
715 // Load a value from the current context. Indices are defined as an enum 709 // Load a value from the current context. Indices are defined as an enum
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1082 1076
1083 Address start_; 1077 Address start_;
1084 Address instruction_start_; 1078 Address instruction_start_;
1085 uint32_t length_; 1079 uint32_t length_;
1086 }; 1080 };
1087 1081
1088 1082
1089 } } // namespace v8::internal 1083 } } // namespace v8::internal
1090 1084
1091 #endif // V8_FULL_CODEGEN_FULL_CODEGEN_H_ 1085 #endif // V8_FULL_CODEGEN_FULL_CODEGEN_H_
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