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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 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-create-lowering.h" | 5 #include "src/compiler/js-create-lowering.h" |
6 | 6 |
7 #include "src/allocation-site-scopes.h" | 7 #include "src/allocation-site-scopes.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
9 #include "src/compilation-dependencies.h" | 9 #include "src/compilation-dependencies.h" |
10 #include "src/compiler/access-builder.h" | 10 #include "src/compiler/access-builder.h" |
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744 } | 744 } |
745 } | 745 } |
746 | 746 |
747 return ReduceNewArrayToStubCall(node, site); | 747 return ReduceNewArrayToStubCall(node, site); |
748 } | 748 } |
749 | 749 |
750 Reduction JSCreateLowering::ReduceJSCreateClosure(Node* node) { | 750 Reduction JSCreateLowering::ReduceJSCreateClosure(Node* node) { |
751 DCHECK_EQ(IrOpcode::kJSCreateClosure, node->opcode()); | 751 DCHECK_EQ(IrOpcode::kJSCreateClosure, node->opcode()); |
752 CreateClosureParameters const& p = CreateClosureParametersOf(node->op()); | 752 CreateClosureParameters const& p = CreateClosureParametersOf(node->op()); |
753 Handle<SharedFunctionInfo> shared = p.shared_info(); | 753 Handle<SharedFunctionInfo> shared = p.shared_info(); |
754 | |
755 Node* effect = NodeProperties::GetEffectInput(node); | 754 Node* effect = NodeProperties::GetEffectInput(node); |
756 Node* control = NodeProperties::GetControlInput(node); | 755 Node* control = NodeProperties::GetControlInput(node); |
757 Node* context = NodeProperties::GetContextInput(node); | 756 Node* context = NodeProperties::GetContextInput(node); |
757 | |
758 int const function_map_index = | 758 int const function_map_index = |
759 Context::FunctionMapIndex(shared->language_mode(), shared->kind()); | 759 Context::FunctionMapIndex(shared->language_mode(), shared->kind()); |
760 Node* function_map = jsgraph()->HeapConstant( | 760 Node* function_map = jsgraph()->HeapConstant( |
761 handle(Map::cast(native_context()->get(function_map_index)), isolate())); | 761 handle(Map::cast(native_context()->get(function_map_index)), isolate())); |
762 | |
763 FeedbackVectorSlot slot = p.feedback().slot(); | |
764 Node* literals = jsgraph()->HeapConstant( | |
765 handle(LiteralsArray::cast(p.feedback().vector()->Get(slot)), isolate())); | |
766 | |
762 // Note that it is only safe to embed the raw entry point of the compile | 767 // Note that it is only safe to embed the raw entry point of the compile |
763 // lazy stub into the code, because that stub is immortal and immovable. | 768 // lazy stub into the code, because that stub is immortal and immovable. |
764 Node* compile_entry = jsgraph()->PointerConstant( | 769 Node* compile_entry = jsgraph()->PointerConstant( |
765 jsgraph()->isolate()->builtins()->CompileLazy()->entry()); | 770 jsgraph()->isolate()->builtins()->CompileLazy()->entry()); |
766 Node* empty_fixed_array = jsgraph()->EmptyFixedArrayConstant(); | 771 Node* empty_fixed_array = jsgraph()->EmptyFixedArrayConstant(); |
767 Node* empty_literals_array = jsgraph()->EmptyLiteralsArrayConstant(); | 772 // TODO(mvstanton): With literals retrieved from the vector, we can |
Benedikt Meurer
2016/12/10 17:20:36
Do it :-)
mvstanton
2016/12/21 13:09:13
The CL is bursting at the seams, so I'll wait (but
| |
773 // remove EmptyLiteralsArrayConstant() from jsgraph(). | |
768 Node* the_hole = jsgraph()->TheHoleConstant(); | 774 Node* the_hole = jsgraph()->TheHoleConstant(); |
769 Node* undefined = jsgraph()->UndefinedConstant(); | 775 Node* undefined = jsgraph()->UndefinedConstant(); |
770 AllocationBuilder a(jsgraph(), effect, control); | 776 AllocationBuilder a(jsgraph(), effect, control); |
771 STATIC_ASSERT(JSFunction::kSize == 9 * kPointerSize); | 777 STATIC_ASSERT(JSFunction::kSize == 9 * kPointerSize); |
772 a.Allocate(JSFunction::kSize, p.pretenure()); | 778 a.Allocate(JSFunction::kSize, p.pretenure()); |
773 a.Store(AccessBuilder::ForMap(), function_map); | 779 a.Store(AccessBuilder::ForMap(), function_map); |
774 a.Store(AccessBuilder::ForJSObjectProperties(), empty_fixed_array); | 780 a.Store(AccessBuilder::ForJSObjectProperties(), empty_fixed_array); |
775 a.Store(AccessBuilder::ForJSObjectElements(), empty_fixed_array); | 781 a.Store(AccessBuilder::ForJSObjectElements(), empty_fixed_array); |
776 a.Store(AccessBuilder::ForJSFunctionLiterals(), empty_literals_array); | 782 a.Store(AccessBuilder::ForJSFunctionLiterals(), literals); |
777 a.Store(AccessBuilder::ForJSFunctionPrototypeOrInitialMap(), the_hole); | 783 a.Store(AccessBuilder::ForJSFunctionPrototypeOrInitialMap(), the_hole); |
778 a.Store(AccessBuilder::ForJSFunctionSharedFunctionInfo(), shared); | 784 a.Store(AccessBuilder::ForJSFunctionSharedFunctionInfo(), shared); |
779 a.Store(AccessBuilder::ForJSFunctionContext(), context); | 785 a.Store(AccessBuilder::ForJSFunctionContext(), context); |
780 a.Store(AccessBuilder::ForJSFunctionCodeEntry(), compile_entry); | 786 a.Store(AccessBuilder::ForJSFunctionCodeEntry(), compile_entry); |
781 a.Store(AccessBuilder::ForJSFunctionNextFunctionLink(), undefined); | 787 a.Store(AccessBuilder::ForJSFunctionNextFunctionLink(), undefined); |
782 RelaxControls(node); | 788 RelaxControls(node); |
783 a.FinishAndChange(node); | 789 a.FinishAndChange(node); |
784 return Changed(node); | 790 return Changed(node); |
785 } | 791 } |
786 | 792 |
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1361 return jsgraph()->simplified(); | 1367 return jsgraph()->simplified(); |
1362 } | 1368 } |
1363 | 1369 |
1364 MachineOperatorBuilder* JSCreateLowering::machine() const { | 1370 MachineOperatorBuilder* JSCreateLowering::machine() const { |
1365 return jsgraph()->machine(); | 1371 return jsgraph()->machine(); |
1366 } | 1372 } |
1367 | 1373 |
1368 } // namespace compiler | 1374 } // namespace compiler |
1369 } // namespace internal | 1375 } // namespace internal |
1370 } // namespace v8 | 1376 } // namespace v8 |
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