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Issue 7046073: First steps towards better code generation for LBranch: (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 9 years, 6 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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536 bool arguments_allowed() { return flag_ == ARGUMENTS_ALLOWED; } 536 bool arguments_allowed() { return flag_ == ARGUMENTS_ALLOWED; }
537 537
538 private: 538 private:
539 ArgumentsAllowedFlag flag_; 539 ArgumentsAllowedFlag flag_;
540 }; 540 };
541 541
542 542
543 class TestContext: public AstContext { 543 class TestContext: public AstContext {
544 public: 544 public:
545 TestContext(HGraphBuilder* owner, 545 TestContext(HGraphBuilder* owner,
546 Expression* condition,
546 HBasicBlock* if_true, 547 HBasicBlock* if_true,
547 HBasicBlock* if_false) 548 HBasicBlock* if_false)
548 : AstContext(owner, Expression::kTest), 549 : AstContext(owner, Expression::kTest),
550 condition_(condition),
549 if_true_(if_true), 551 if_true_(if_true),
550 if_false_(if_false) { 552 if_false_(if_false) {
551 } 553 }
552 554
553 virtual void ReturnValue(HValue* value); 555 virtual void ReturnValue(HValue* value);
554 virtual void ReturnInstruction(HInstruction* instr, int ast_id); 556 virtual void ReturnInstruction(HInstruction* instr, int ast_id);
555 557
556 static TestContext* cast(AstContext* context) { 558 static TestContext* cast(AstContext* context) {
557 ASSERT(context->IsTest()); 559 ASSERT(context->IsTest());
558 return reinterpret_cast<TestContext*>(context); 560 return reinterpret_cast<TestContext*>(context);
559 } 561 }
560 562
563 Expression* condition() const { return condition_; }
561 HBasicBlock* if_true() const { return if_true_; } 564 HBasicBlock* if_true() const { return if_true_; }
562 HBasicBlock* if_false() const { return if_false_; } 565 HBasicBlock* if_false() const { return if_false_; }
563 566
564 private: 567 private:
565 // Build the shared core part of the translation unpacking a value into 568 // Build the shared core part of the translation unpacking a value into
566 // control flow. 569 // control flow.
567 void BuildBranch(HValue* value); 570 void BuildBranch(HValue* value);
568 571
572 Expression* condition_;
569 HBasicBlock* if_true_; 573 HBasicBlock* if_true_;
570 HBasicBlock* if_false_; 574 HBasicBlock* if_false_;
571 }; 575 };
572 576
573 577
574 class FunctionState BASE_EMBEDDED { 578 class FunctionState BASE_EMBEDDED {
575 public: 579 public:
576 FunctionState(HGraphBuilder* owner, 580 FunctionState(HGraphBuilder* owner,
577 CompilationInfo* info, 581 CompilationInfo* info,
578 TypeFeedbackOracle* oracle); 582 TypeFeedbackOracle* oracle);
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1190 const char* filename_; 1194 const char* filename_;
1191 HeapStringAllocator string_allocator_; 1195 HeapStringAllocator string_allocator_;
1192 StringStream trace_; 1196 StringStream trace_;
1193 int indent_; 1197 int indent_;
1194 }; 1198 };
1195 1199
1196 1200
1197 } } // namespace v8::internal 1201 } } // namespace v8::internal
1198 1202
1199 #endif // V8_HYDROGEN_H_ 1203 #endif // V8_HYDROGEN_H_
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