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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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5790 HInstruction* elements = Add<HArgumentsElements>(false); | 5790 HInstruction* elements = Add<HArgumentsElements>(false); |
5791 result = New<HArgumentsLength>(elements); | 5791 result = New<HArgumentsLength>(elements); |
5792 } else { | 5792 } else { |
5793 // Number of arguments without receiver. | 5793 // Number of arguments without receiver. |
5794 int argument_count = environment()-> | 5794 int argument_count = environment()-> |
5795 arguments_environment()->parameter_count() - 1; | 5795 arguments_environment()->parameter_count() - 1; |
5796 result = New<HConstant>(argument_count); | 5796 result = New<HConstant>(argument_count); |
5797 } | 5797 } |
5798 } else { | 5798 } else { |
5799 Push(graph()->GetArgumentsObject()); | 5799 Push(graph()->GetArgumentsObject()); |
5800 VisitForValue(expr->key()); | 5800 CHECK_ALIVE_OR_RETURN(VisitForValue(expr->key()), true); |
5801 if (HasStackOverflow() || current_block() == NULL) return true; | |
5802 HValue* key = Pop(); | 5801 HValue* key = Pop(); |
5803 Drop(1); // Arguments object. | 5802 Drop(1); // Arguments object. |
5804 if (function_state()->outer() == NULL) { | 5803 if (function_state()->outer() == NULL) { |
5805 HInstruction* elements = Add<HArgumentsElements>(false); | 5804 HInstruction* elements = Add<HArgumentsElements>(false); |
5806 HInstruction* length = Add<HArgumentsLength>(elements); | 5805 HInstruction* length = Add<HArgumentsLength>(elements); |
5807 HInstruction* checked_key = Add<HBoundsCheck>(key, length); | 5806 HInstruction* checked_key = Add<HBoundsCheck>(key, length); |
5808 result = new(zone()) HAccessArgumentsAt(elements, length, checked_key); | 5807 result = new(zone()) HAccessArgumentsAt(elements, length, checked_key); |
5809 } else { | 5808 } else { |
5810 EnsureArgumentsArePushedForAccess(); | 5809 EnsureArgumentsArePushedForAccess(); |
5811 | 5810 |
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6859 | 6858 |
6860 ZoneList<Expression*>* args = expr->arguments(); | 6859 ZoneList<Expression*>* args = expr->arguments(); |
6861 if (args->length() != 2) return false; | 6860 if (args->length() != 2) return false; |
6862 | 6861 |
6863 VariableProxy* arg_two = args->at(1)->AsVariableProxy(); | 6862 VariableProxy* arg_two = args->at(1)->AsVariableProxy(); |
6864 if (arg_two == NULL || !arg_two->var()->IsStackAllocated()) return false; | 6863 if (arg_two == NULL || !arg_two->var()->IsStackAllocated()) return false; |
6865 HValue* arg_two_value = LookupAndMakeLive(arg_two->var()); | 6864 HValue* arg_two_value = LookupAndMakeLive(arg_two->var()); |
6866 if (!arg_two_value->CheckFlag(HValue::kIsArguments)) return false; | 6865 if (!arg_two_value->CheckFlag(HValue::kIsArguments)) return false; |
6867 | 6866 |
6868 // Found pattern f.apply(receiver, arguments). | 6867 // Found pattern f.apply(receiver, arguments). |
6869 VisitForValue(prop->obj()); | 6868 CHECK_ALIVE_OR_RETURN(VisitForValue(prop->obj()), true); |
6870 if (HasStackOverflow() || current_block() == NULL) return true; | |
6871 HValue* function = Top(); | 6869 HValue* function = Top(); |
6872 AddCheckConstantFunction(expr->holder(), function, function_map); | 6870 AddCheckConstantFunction(expr->holder(), function, function_map); |
6873 Drop(1); | 6871 Drop(1); |
6874 | 6872 |
6875 VisitForValue(args->at(0)); | 6873 CHECK_ALIVE_OR_RETURN(VisitForValue(args->at(0)), true); |
6876 if (HasStackOverflow() || current_block() == NULL) return true; | |
6877 HValue* receiver = Pop(); | 6874 HValue* receiver = Pop(); |
6878 | 6875 |
6879 if (function_state()->outer() == NULL) { | 6876 if (function_state()->outer() == NULL) { |
6880 HInstruction* elements = Add<HArgumentsElements>(false); | 6877 HInstruction* elements = Add<HArgumentsElements>(false); |
6881 HInstruction* length = Add<HArgumentsLength>(elements); | 6878 HInstruction* length = Add<HArgumentsLength>(elements); |
6882 HValue* wrapped_receiver = BuildWrapReceiver(receiver, function); | 6879 HValue* wrapped_receiver = BuildWrapReceiver(receiver, function); |
6883 HInstruction* result = | 6880 HInstruction* result = |
6884 new(zone()) HApplyArguments(function, | 6881 new(zone()) HApplyArguments(function, |
6885 wrapped_receiver, | 6882 wrapped_receiver, |
6886 length, | 6883 length, |
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9714 if (ShouldProduceTraceOutput()) { | 9711 if (ShouldProduceTraceOutput()) { |
9715 isolate()->GetHTracer()->TraceHydrogen(name(), graph_); | 9712 isolate()->GetHTracer()->TraceHydrogen(name(), graph_); |
9716 } | 9713 } |
9717 | 9714 |
9718 #ifdef DEBUG | 9715 #ifdef DEBUG |
9719 graph_->Verify(false); // No full verify. | 9716 graph_->Verify(false); // No full verify. |
9720 #endif | 9717 #endif |
9721 } | 9718 } |
9722 | 9719 |
9723 } } // namespace v8::internal | 9720 } } // namespace v8::internal |
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