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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/compiler/access-builder.h" | 6 #include "src/compiler/access-builder.h" |
7 #include "src/compiler/js-graph.h" | 7 #include "src/compiler/js-graph.h" |
8 #include "src/compiler/js-typed-lowering.h" | 8 #include "src/compiler/js-typed-lowering.h" |
9 #include "src/compiler/linkage.h" | 9 #include "src/compiler/linkage.h" |
10 #include "src/compiler/node-matchers.h" | 10 #include "src/compiler/node-matchers.h" |
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1204 DCHECK_EQ(IrOpcode::kJSCreateLiteralArray, node->opcode()); | 1204 DCHECK_EQ(IrOpcode::kJSCreateLiteralArray, node->opcode()); |
1205 HeapObjectMatcher mconst(NodeProperties::GetValueInput(node, 2)); | 1205 HeapObjectMatcher mconst(NodeProperties::GetValueInput(node, 2)); |
1206 int length = Handle<FixedArray>::cast(mconst.Value())->length(); | 1206 int length = Handle<FixedArray>::cast(mconst.Value())->length(); |
1207 int flags = OpParameter<int>(node->op()); | 1207 int flags = OpParameter<int>(node->op()); |
1208 | 1208 |
1209 // Use the FastCloneShallowArrayStub only for shallow boilerplates up to the | 1209 // Use the FastCloneShallowArrayStub only for shallow boilerplates up to the |
1210 // initial length limit for arrays with "fast" elements kind. | 1210 // initial length limit for arrays with "fast" elements kind. |
1211 // TODO(rossberg): Teach strong mode to FastCloneShallowArrayStub. | 1211 // TODO(rossberg): Teach strong mode to FastCloneShallowArrayStub. |
1212 if ((flags & ArrayLiteral::kShallowElements) != 0 && | 1212 if ((flags & ArrayLiteral::kShallowElements) != 0 && |
1213 (flags & ArrayLiteral::kIsStrong) == 0 && | 1213 (flags & ArrayLiteral::kIsStrong) == 0 && |
1214 length < JSArray::kInitialMaxFastElementArray) { | 1214 length < JSObject::kInitialMaxFastElementArray) { |
1215 Isolate* isolate = jsgraph()->isolate(); | 1215 Isolate* isolate = jsgraph()->isolate(); |
1216 Callable callable = CodeFactory::FastCloneShallowArray(isolate); | 1216 Callable callable = CodeFactory::FastCloneShallowArray(isolate); |
1217 CallDescriptor* desc = Linkage::GetStubCallDescriptor( | 1217 CallDescriptor* desc = Linkage::GetStubCallDescriptor( |
1218 isolate, graph()->zone(), callable.descriptor(), 0, | 1218 isolate, graph()->zone(), callable.descriptor(), 0, |
1219 (OperatorProperties::GetFrameStateInputCount(node->op()) != 0) | 1219 (OperatorProperties::GetFrameStateInputCount(node->op()) != 0) |
1220 ? CallDescriptor::kNeedsFrameState | 1220 ? CallDescriptor::kNeedsFrameState |
1221 : CallDescriptor::kNoFlags); | 1221 : CallDescriptor::kNoFlags); |
1222 const Operator* new_op = common()->Call(desc); | 1222 const Operator* new_op = common()->Call(desc); |
1223 Node* stub_code = jsgraph()->HeapConstant(callable.code()); | 1223 Node* stub_code = jsgraph()->HeapConstant(callable.code()); |
1224 node->InsertInput(graph()->zone(), 0, stub_code); | 1224 node->InsertInput(graph()->zone(), 0, stub_code); |
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1845 } | 1845 } |
1846 | 1846 |
1847 | 1847 |
1848 MachineOperatorBuilder* JSTypedLowering::machine() const { | 1848 MachineOperatorBuilder* JSTypedLowering::machine() const { |
1849 return jsgraph()->machine(); | 1849 return jsgraph()->machine(); |
1850 } | 1850 } |
1851 | 1851 |
1852 } // namespace compiler | 1852 } // namespace compiler |
1853 } // namespace internal | 1853 } // namespace internal |
1854 } // namespace v8 | 1854 } // namespace v8 |
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