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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 // 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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3684 | 3684 |
3685 Representation observed_input_representation_[2]; | 3685 Representation observed_input_representation_[2]; |
3686 Representation observed_output_representation_; | 3686 Representation observed_output_representation_; |
3687 }; | 3687 }; |
3688 | 3688 |
3689 | 3689 |
3690 class HWrapReceiver V8_FINAL : public HTemplateInstruction<2> { | 3690 class HWrapReceiver V8_FINAL : public HTemplateInstruction<2> { |
3691 public: | 3691 public: |
3692 DECLARE_INSTRUCTION_FACTORY_P2(HWrapReceiver, HValue*, HValue*); | 3692 DECLARE_INSTRUCTION_FACTORY_P2(HWrapReceiver, HValue*, HValue*); |
3693 | 3693 |
| 3694 virtual bool DataEquals(HValue* other) V8_OVERRIDE { return true; } |
| 3695 |
3694 virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE { | 3696 virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE { |
3695 return Representation::Tagged(); | 3697 return Representation::Tagged(); |
3696 } | 3698 } |
3697 | 3699 |
3698 HValue* receiver() { return OperandAt(0); } | 3700 HValue* receiver() { return OperandAt(0); } |
3699 HValue* function() { return OperandAt(1); } | 3701 HValue* function() { return OperandAt(1); } |
3700 | 3702 |
3701 virtual HValue* Canonicalize() V8_OVERRIDE; | 3703 virtual HValue* Canonicalize() V8_OVERRIDE; |
3702 | 3704 |
3703 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; | 3705 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; |
| 3706 bool known_function() const { return known_function_; } |
3704 | 3707 |
3705 DECLARE_CONCRETE_INSTRUCTION(WrapReceiver) | 3708 DECLARE_CONCRETE_INSTRUCTION(WrapReceiver) |
3706 | 3709 |
3707 private: | 3710 private: |
3708 HWrapReceiver(HValue* receiver, HValue* function) { | 3711 HWrapReceiver(HValue* receiver, HValue* function) { |
| 3712 known_function_ = function->IsConstant() && |
| 3713 HConstant::cast(function)->handle(function->isolate())->IsJSFunction(); |
3709 set_representation(Representation::Tagged()); | 3714 set_representation(Representation::Tagged()); |
3710 SetOperandAt(0, receiver); | 3715 SetOperandAt(0, receiver); |
3711 SetOperandAt(1, function); | 3716 SetOperandAt(1, function); |
| 3717 SetFlag(kUseGVN); |
3712 } | 3718 } |
| 3719 |
| 3720 bool known_function_; |
3713 }; | 3721 }; |
3714 | 3722 |
3715 | 3723 |
3716 class HApplyArguments V8_FINAL : public HTemplateInstruction<4> { | 3724 class HApplyArguments V8_FINAL : public HTemplateInstruction<4> { |
3717 public: | 3725 public: |
3718 DECLARE_INSTRUCTION_FACTORY_P4(HApplyArguments, HValue*, HValue*, HValue*, | 3726 DECLARE_INSTRUCTION_FACTORY_P4(HApplyArguments, HValue*, HValue*, HValue*, |
3719 HValue*); | 3727 HValue*); |
3720 | 3728 |
3721 virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE { | 3729 virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE { |
3722 // The length is untagged, all other inputs are tagged. | 3730 // The length is untagged, all other inputs are tagged. |
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7410 virtual bool IsDeletable() const V8_OVERRIDE { return true; } | 7418 virtual bool IsDeletable() const V8_OVERRIDE { return true; } |
7411 }; | 7419 }; |
7412 | 7420 |
7413 | 7421 |
7414 #undef DECLARE_INSTRUCTION | 7422 #undef DECLARE_INSTRUCTION |
7415 #undef DECLARE_CONCRETE_INSTRUCTION | 7423 #undef DECLARE_CONCRETE_INSTRUCTION |
7416 | 7424 |
7417 } } // namespace v8::internal | 7425 } } // namespace v8::internal |
7418 | 7426 |
7419 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 7427 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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