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Side by Side Diff: src/compiler/js-generic-lowering.cc

Issue 2949813002: [turbofan] Introduce new JSConstructWithArrayLike operator. (Closed)
Patch Set: Created 3 years, 6 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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 #include "src/compiler/js-generic-lowering.h" 5 #include "src/compiler/js-generic-lowering.h"
6 6
7 #include "src/ast/ast.h" 7 #include "src/ast/ast.h"
8 #include "src/builtins/builtins-constructor.h" 8 #include "src/builtins/builtins-constructor.h"
9 #include "src/code-factory.h" 9 #include "src/code-factory.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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582 Node* new_target = node->InputAt(arg_count + 1); 582 Node* new_target = node->InputAt(arg_count + 1);
583 Node* receiver = jsgraph()->UndefinedConstant(); 583 Node* receiver = jsgraph()->UndefinedConstant();
584 node->RemoveInput(arg_count + 1); // Drop new target. 584 node->RemoveInput(arg_count + 1); // Drop new target.
585 node->InsertInput(zone(), 0, stub_code); 585 node->InsertInput(zone(), 0, stub_code);
586 node->InsertInput(zone(), 2, new_target); 586 node->InsertInput(zone(), 2, new_target);
587 node->InsertInput(zone(), 3, stub_arity); 587 node->InsertInput(zone(), 3, stub_arity);
588 node->InsertInput(zone(), 4, receiver); 588 node->InsertInput(zone(), 4, receiver);
589 NodeProperties::ChangeOp(node, common()->Call(desc)); 589 NodeProperties::ChangeOp(node, common()->Call(desc));
590 } 590 }
591 591
592 void JSGenericLowering::LowerJSConstructWithArrayLike(Node* node) {
593 Callable callable = CodeFactory::ConstructWithArrayLike(isolate());
594 CallDescriptor::Flags flags = FrameStateFlagForCall(node);
595 CallDescriptor* desc = Linkage::GetStubCallDescriptor(
596 isolate(), zone(), callable.descriptor(), 1, flags);
597 Node* stub_code = jsgraph()->HeapConstant(callable.code());
598 Node* receiver = jsgraph()->UndefinedConstant();
599 Node* arguments_list = node->InputAt(1);
600 Node* new_target = node->InputAt(2);
601 node->InsertInput(zone(), 0, stub_code);
602 node->ReplaceInput(2, new_target);
603 node->ReplaceInput(3, arguments_list);
604 node->InsertInput(zone(), 4, receiver);
605 NodeProperties::ChangeOp(node, common()->Call(desc));
606 }
607
592 void JSGenericLowering::LowerJSConstructWithSpread(Node* node) { 608 void JSGenericLowering::LowerJSConstructWithSpread(Node* node) {
593 SpreadWithArityParameter const& p = SpreadWithArityParameterOf(node->op()); 609 SpreadWithArityParameter const& p = SpreadWithArityParameterOf(node->op());
594 int const arg_count = static_cast<int>(p.arity() - 2); 610 int const arg_count = static_cast<int>(p.arity() - 2);
595 int const spread_index = arg_count; 611 int const spread_index = arg_count;
596 int const new_target_index = arg_count + 1; 612 int const new_target_index = arg_count + 1;
597 CallDescriptor::Flags flags = FrameStateFlagForCall(node); 613 CallDescriptor::Flags flags = FrameStateFlagForCall(node);
598 Callable callable = CodeFactory::ConstructWithSpread(isolate()); 614 Callable callable = CodeFactory::ConstructWithSpread(isolate());
599 CallDescriptor* desc = Linkage::GetStubCallDescriptor( 615 CallDescriptor* desc = Linkage::GetStubCallDescriptor(
600 isolate(), zone(), callable.descriptor(), arg_count, flags); 616 isolate(), zone(), callable.descriptor(), arg_count, flags);
601 Node* stub_code = jsgraph()->HeapConstant(callable.code()); 617 Node* stub_code = jsgraph()->HeapConstant(callable.code());
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804 } 820 }
805 821
806 822
807 MachineOperatorBuilder* JSGenericLowering::machine() const { 823 MachineOperatorBuilder* JSGenericLowering::machine() const {
808 return jsgraph()->machine(); 824 return jsgraph()->machine();
809 } 825 }
810 826
811 } // namespace compiler 827 } // namespace compiler
812 } // namespace internal 828 } // namespace internal
813 } // namespace v8 829 } // namespace v8
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