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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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7553 if (args->length() != 2) return false; | 7553 if (args->length() != 2) return false; |
7554 | 7554 |
7555 VariableProxy* arg_two = args->at(1)->AsVariableProxy(); | 7555 VariableProxy* arg_two = args->at(1)->AsVariableProxy(); |
7556 if (arg_two == NULL || !arg_two->var()->IsStackAllocated()) return false; | 7556 if (arg_two == NULL || !arg_two->var()->IsStackAllocated()) return false; |
7557 HValue* arg_two_value = LookupAndMakeLive(arg_two->var()); | 7557 HValue* arg_two_value = LookupAndMakeLive(arg_two->var()); |
7558 if (!arg_two_value->CheckFlag(HValue::kIsArguments)) return false; | 7558 if (!arg_two_value->CheckFlag(HValue::kIsArguments)) return false; |
7559 | 7559 |
7560 // Found pattern f.apply(receiver, arguments). | 7560 // Found pattern f.apply(receiver, arguments). |
7561 CHECK_ALIVE_OR_RETURN(VisitForValue(prop->obj()), true); | 7561 CHECK_ALIVE_OR_RETURN(VisitForValue(prop->obj()), true); |
7562 HValue* function = Top(); | 7562 HValue* function = Top(); |
7563 // The function get here may be an undefined constant if lookup fails. | |
7564 if (function->IsConstant() && | |
7565 !HConstant::cast(function)->handle(isolate())->IsJSFunction()) { | |
7566 Drop(1); | |
7567 return false; | |
7568 } | |
7569 | 7563 |
7570 AddCheckConstantFunction(expr->holder(), function, function_map); | 7564 AddCheckConstantFunction(expr->holder(), function, function_map); |
7571 Drop(1); | 7565 Drop(1); |
7572 | 7566 |
7573 CHECK_ALIVE_OR_RETURN(VisitForValue(args->at(0)), true); | 7567 CHECK_ALIVE_OR_RETURN(VisitForValue(args->at(0)), true); |
7574 HValue* receiver = Pop(); | 7568 HValue* receiver = Pop(); |
7575 | 7569 |
7576 if (function_state()->outer() == NULL) { | 7570 if (function_state()->outer() == NULL) { |
7577 HInstruction* elements = Add<HArgumentsElements>(false); | 7571 HInstruction* elements = Add<HArgumentsElements>(false); |
7578 HInstruction* length = Add<HArgumentsLength>(elements); | 7572 HInstruction* length = Add<HArgumentsLength>(elements); |
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7590 function_state()->entry()->arguments_object()->arguments_count()); | 7584 function_state()->entry()->arguments_object()->arguments_count()); |
7591 HArgumentsObject* args = function_state()->entry()->arguments_object(); | 7585 HArgumentsObject* args = function_state()->entry()->arguments_object(); |
7592 const ZoneList<HValue*>* arguments_values = args->arguments_values(); | 7586 const ZoneList<HValue*>* arguments_values = args->arguments_values(); |
7593 int arguments_count = arguments_values->length(); | 7587 int arguments_count = arguments_values->length(); |
7594 Push(BuildWrapReceiver(receiver, function)); | 7588 Push(BuildWrapReceiver(receiver, function)); |
7595 for (int i = 1; i < arguments_count; i++) { | 7589 for (int i = 1; i < arguments_count; i++) { |
7596 Push(arguments_values->at(i)); | 7590 Push(arguments_values->at(i)); |
7597 } | 7591 } |
7598 | 7592 |
7599 Handle<JSFunction> known_function; | 7593 Handle<JSFunction> known_function; |
7600 if (function->IsConstant()) { | 7594 if (function->IsConstant() && |
7601 HConstant* constant_function = HConstant::cast(function); | 7595 HConstant::cast(function)->handle(isolate())->IsJSFunction()) { |
7602 known_function = Handle<JSFunction>::cast( | 7596 known_function = Handle<JSFunction>::cast( |
7603 constant_function->handle(isolate())); | 7597 HConstant::cast(function)->handle(isolate())); |
7604 int args_count = arguments_count - 1; // Excluding receiver. | 7598 int args_count = arguments_count - 1; // Excluding receiver. |
7605 if (TryInlineApply(known_function, expr, args_count)) return true; | 7599 if (TryInlineApply(known_function, expr, args_count)) return true; |
7606 } | 7600 } |
7607 | 7601 |
7608 Drop(arguments_count - 1); | 7602 Drop(arguments_count - 1); |
7609 Push(Add<HPushArgument>(Pop())); | 7603 Push(Add<HPushArgument>(Pop())); |
7610 for (int i = 1; i < arguments_count; i++) { | 7604 for (int i = 1; i < arguments_count; i++) { |
7611 Push(Add<HPushArgument>(arguments_values->at(i))); | 7605 Push(Add<HPushArgument>(arguments_values->at(i))); |
7612 } | 7606 } |
7613 | 7607 |
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10821 if (ShouldProduceTraceOutput()) { | 10815 if (ShouldProduceTraceOutput()) { |
10822 isolate()->GetHTracer()->TraceHydrogen(name(), graph_); | 10816 isolate()->GetHTracer()->TraceHydrogen(name(), graph_); |
10823 } | 10817 } |
10824 | 10818 |
10825 #ifdef DEBUG | 10819 #ifdef DEBUG |
10826 graph_->Verify(false); // No full verify. | 10820 graph_->Verify(false); // No full verify. |
10827 #endif | 10821 #endif |
10828 } | 10822 } |
10829 | 10823 |
10830 } } // namespace v8::internal | 10824 } } // namespace v8::internal |
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