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

Issue 2024253002: [stubs] Remove N-argument Hydrogen-based Array constructor stub (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Code stubs Created 4 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/code-factory.h" 5 #include "src/code-factory.h"
6 #include "src/code-stubs.h" 6 #include "src/code-stubs.h"
7 #include "src/compiler/common-operator.h" 7 #include "src/compiler/common-operator.h"
8 #include "src/compiler/js-generic-lowering.h" 8 #include "src/compiler/js-generic-lowering.h"
9 #include "src/compiler/js-graph.h" 9 #include "src/compiler/js-graph.h"
10 #include "src/compiler/machine-operator.h" 10 #include "src/compiler/machine-operator.h"
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443 isolate(), GetHoleyElementsKind(elements_kind), override_mode); 443 isolate(), GetHoleyElementsKind(elements_kind), override_mode);
444 CallDescriptor* desc = Linkage::GetStubCallDescriptor( 444 CallDescriptor* desc = Linkage::GetStubCallDescriptor(
445 isolate(), graph()->zone(), stub.GetCallInterfaceDescriptor(), 2, 445 isolate(), graph()->zone(), stub.GetCallInterfaceDescriptor(), 2,
446 CallDescriptor::kNeedsFrameState); 446 CallDescriptor::kNeedsFrameState);
447 node->ReplaceInput(0, jsgraph()->HeapConstant(stub.GetCode())); 447 node->ReplaceInput(0, jsgraph()->HeapConstant(stub.GetCode()));
448 node->InsertInput(graph()->zone(), 2, jsgraph()->HeapConstant(site)); 448 node->InsertInput(graph()->zone(), 2, jsgraph()->HeapConstant(site));
449 node->InsertInput(graph()->zone(), 3, jsgraph()->Int32Constant(1)); 449 node->InsertInput(graph()->zone(), 3, jsgraph()->Int32Constant(1));
450 node->InsertInput(graph()->zone(), 4, jsgraph()->UndefinedConstant()); 450 node->InsertInput(graph()->zone(), 4, jsgraph()->UndefinedConstant());
451 NodeProperties::ChangeOp(node, common()->Call(desc)); 451 NodeProperties::ChangeOp(node, common()->Call(desc));
452 } else { 452 } else {
453 ArrayNArgumentsConstructorStub stub(isolate(), elements_kind, 453 ArrayNArgumentsConstructorStub stub(isolate());
454 override_mode);
455 CallDescriptor* desc = Linkage::GetStubCallDescriptor( 454 CallDescriptor* desc = Linkage::GetStubCallDescriptor(
456 isolate(), graph()->zone(), stub.GetCallInterfaceDescriptor(), 455 isolate(), graph()->zone(), stub.GetCallInterfaceDescriptor(),
457 arity + 1, CallDescriptor::kNeedsFrameState); 456 arity + 1, CallDescriptor::kNeedsFrameState);
458 node->ReplaceInput(0, jsgraph()->HeapConstant(stub.GetCode())); 457 node->ReplaceInput(0, jsgraph()->HeapConstant(stub.GetCode()));
459 node->InsertInput(graph()->zone(), 2, jsgraph()->HeapConstant(site)); 458 node->InsertInput(graph()->zone(), 2, jsgraph()->HeapConstant(site));
460 node->InsertInput(graph()->zone(), 3, jsgraph()->Int32Constant(arity)); 459 node->InsertInput(graph()->zone(), 3, jsgraph()->Int32Constant(arity));
461 node->InsertInput(graph()->zone(), 4, jsgraph()->UndefinedConstant()); 460 node->InsertInput(graph()->zone(), 4, jsgraph()->UndefinedConstant());
462 NodeProperties::ChangeOp(node, common()->Call(desc)); 461 NodeProperties::ChangeOp(node, common()->Call(desc));
463 } 462 }
464 } else { 463 } else {
465 Node* new_target = node->InputAt(1); 464 Node* new_target = node->InputAt(1);
466 Node* type_info = site.is_null() ? jsgraph()->UndefinedConstant() 465 Node* type_info = site.is_null() ? jsgraph()->UndefinedConstant()
467 : jsgraph()->HeapConstant(site); 466 : jsgraph()->HeapConstant(site);
468 node->RemoveInput(1); 467 node->RemoveInput(1);
469 node->InsertInput(zone(), 1 + arity, new_target); 468 node->InsertInput(zone(), 1 + arity, new_target);
470 node->InsertInput(zone(), 2 + arity, type_info); 469 node->InsertInput(zone(), 2 + arity, type_info);
471 ReplaceWithRuntimeCall(node, Runtime::kNewArray, arity + 3); 470 ReplaceWithRuntimeCall(node, Runtime::kArrayConstructor, arity + 3);
472 } 471 }
473 } 472 }
474 473
475 474
476 void JSGenericLowering::LowerJSCreateClosure(Node* node) { 475 void JSGenericLowering::LowerJSCreateClosure(Node* node) {
477 CreateClosureParameters const& p = CreateClosureParametersOf(node->op()); 476 CreateClosureParameters const& p = CreateClosureParametersOf(node->op());
478 CallDescriptor::Flags flags = AdjustFrameStatesForCall(node); 477 CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
479 Handle<SharedFunctionInfo> const shared_info = p.shared_info(); 478 Handle<SharedFunctionInfo> const shared_info = p.shared_info();
480 node->InsertInput(zone(), 0, jsgraph()->HeapConstant(shared_info)); 479 node->InsertInput(zone(), 0, jsgraph()->HeapConstant(shared_info));
481 480
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741 } 740 }
742 741
743 742
744 MachineOperatorBuilder* JSGenericLowering::machine() const { 743 MachineOperatorBuilder* JSGenericLowering::machine() const {
745 return jsgraph()->machine(); 744 return jsgraph()->machine();
746 } 745 }
747 746
748 } // namespace compiler 747 } // namespace compiler
749 } // namespace internal 748 } // namespace internal
750 } // namespace v8 749 } // namespace v8
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