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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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307 | 307 |
308 | 308 |
309 void JSGenericLowering::LowerJSLoadGlobal(Node* node) { | 309 void JSGenericLowering::LowerJSLoadGlobal(Node* node) { |
310 Node* context = NodeProperties::GetContextInput(node); | 310 Node* context = NodeProperties::GetContextInput(node); |
311 Node* effect = NodeProperties::GetEffectInput(node); | 311 Node* effect = NodeProperties::GetEffectInput(node); |
312 CallDescriptor::Flags flags = AdjustFrameStatesForCall(node); | 312 CallDescriptor::Flags flags = AdjustFrameStatesForCall(node); |
313 const LoadGlobalParameters& p = LoadGlobalParametersOf(node->op()); | 313 const LoadGlobalParameters& p = LoadGlobalParametersOf(node->op()); |
314 Callable callable = CodeFactory::LoadICInOptimizedCode( | 314 Callable callable = CodeFactory::LoadICInOptimizedCode( |
315 isolate(), p.typeof_mode(), SLOPPY, UNINITIALIZED); | 315 isolate(), p.typeof_mode(), SLOPPY, UNINITIALIZED); |
316 // Load global object from the context. | 316 // Load global object from the context. |
317 Node* native_context = | 317 Node* global = graph()->NewNode(machine()->Load(kMachAnyTagged), context, |
318 graph()->NewNode(machine()->Load(kMachAnyTagged), context, | 318 jsgraph()->IntPtrConstant(Context::SlotOffset( |
319 jsgraph()->IntPtrConstant( | 319 Context::GLOBAL_OBJECT_INDEX)), |
320 Context::SlotOffset(Context::NATIVE_CONTEXT_INDEX)), | 320 effect, graph()->start()); |
321 effect, graph()->start()); | |
322 Node* global = graph()->NewNode( | |
323 machine()->Load(kMachAnyTagged), native_context, | |
324 jsgraph()->IntPtrConstant(Context::SlotOffset(Context::EXTENSION_INDEX)), | |
325 effect, graph()->start()); | |
326 node->InsertInput(zone(), 0, global); | 321 node->InsertInput(zone(), 0, global); |
327 node->InsertInput(zone(), 1, jsgraph()->HeapConstant(p.name())); | 322 node->InsertInput(zone(), 1, jsgraph()->HeapConstant(p.name())); |
328 node->InsertInput(zone(), 2, jsgraph()->SmiConstant(p.feedback().index())); | 323 node->InsertInput(zone(), 2, jsgraph()->SmiConstant(p.feedback().index())); |
329 ReplaceWithStubCall(node, callable, flags); | 324 ReplaceWithStubCall(node, callable, flags); |
330 } | 325 } |
331 | 326 |
332 | 327 |
333 void JSGenericLowering::LowerJSStoreProperty(Node* node) { | 328 void JSGenericLowering::LowerJSStoreProperty(Node* node) { |
334 CallDescriptor::Flags flags = AdjustFrameStatesForCall(node); | 329 CallDescriptor::Flags flags = AdjustFrameStatesForCall(node); |
335 PropertyAccess const& p = PropertyAccessOf(node->op()); | 330 PropertyAccess const& p = PropertyAccessOf(node->op()); |
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357 | 352 |
358 | 353 |
359 void JSGenericLowering::LowerJSStoreGlobal(Node* node) { | 354 void JSGenericLowering::LowerJSStoreGlobal(Node* node) { |
360 Node* context = NodeProperties::GetContextInput(node); | 355 Node* context = NodeProperties::GetContextInput(node); |
361 Node* effect = NodeProperties::GetEffectInput(node); | 356 Node* effect = NodeProperties::GetEffectInput(node); |
362 CallDescriptor::Flags flags = AdjustFrameStatesForCall(node); | 357 CallDescriptor::Flags flags = AdjustFrameStatesForCall(node); |
363 const StoreGlobalParameters& p = StoreGlobalParametersOf(node->op()); | 358 const StoreGlobalParameters& p = StoreGlobalParametersOf(node->op()); |
364 Callable callable = CodeFactory::StoreICInOptimizedCode( | 359 Callable callable = CodeFactory::StoreICInOptimizedCode( |
365 isolate(), p.language_mode(), UNINITIALIZED); | 360 isolate(), p.language_mode(), UNINITIALIZED); |
366 // Load global object from the context. | 361 // Load global object from the context. |
367 Node* native_context = | 362 Node* global = graph()->NewNode(machine()->Load(kMachAnyTagged), context, |
368 graph()->NewNode(machine()->Load(kMachAnyTagged), context, | 363 jsgraph()->IntPtrConstant(Context::SlotOffset( |
369 jsgraph()->IntPtrConstant( | 364 Context::GLOBAL_OBJECT_INDEX)), |
370 Context::SlotOffset(Context::NATIVE_CONTEXT_INDEX)), | 365 effect, graph()->start()); |
371 effect, graph()->start()); | |
372 Node* global = graph()->NewNode( | |
373 machine()->Load(kMachAnyTagged), native_context, | |
374 jsgraph()->IntPtrConstant(Context::SlotOffset(Context::EXTENSION_INDEX)), | |
375 effect, graph()->start()); | |
376 node->InsertInput(zone(), 0, global); | 366 node->InsertInput(zone(), 0, global); |
377 node->InsertInput(zone(), 1, jsgraph()->HeapConstant(p.name())); | 367 node->InsertInput(zone(), 1, jsgraph()->HeapConstant(p.name())); |
378 DCHECK(p.feedback().index() != -1); | 368 DCHECK(p.feedback().index() != -1); |
379 node->InsertInput(zone(), 3, jsgraph()->SmiConstant(p.feedback().index())); | 369 node->InsertInput(zone(), 3, jsgraph()->SmiConstant(p.feedback().index())); |
380 ReplaceWithStubCall(node, callable, | 370 ReplaceWithStubCall(node, callable, |
381 CallDescriptor::kPatchableCallSite | flags); | 371 CallDescriptor::kPatchableCallSite | flags); |
382 } | 372 } |
383 | 373 |
384 | 374 |
385 void JSGenericLowering::LowerJSDeleteProperty(Node* node) { | 375 void JSGenericLowering::LowerJSDeleteProperty(Node* node) { |
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432 graph()->start())); | 422 graph()->start())); |
433 } | 423 } |
434 node->ReplaceInput(2, NodeProperties::GetValueInput(node, 1)); | 424 node->ReplaceInput(2, NodeProperties::GetValueInput(node, 1)); |
435 node->ReplaceInput(1, jsgraph()->Int32Constant(Context::SlotOffset( | 425 node->ReplaceInput(1, jsgraph()->Int32Constant(Context::SlotOffset( |
436 static_cast<int>(access.index())))); | 426 static_cast<int>(access.index())))); |
437 NodeProperties::ChangeOp(node, machine()->Store(StoreRepresentation( | 427 NodeProperties::ChangeOp(node, machine()->Store(StoreRepresentation( |
438 kMachAnyTagged, kFullWriteBarrier))); | 428 kMachAnyTagged, kFullWriteBarrier))); |
439 } | 429 } |
440 | 430 |
441 | 431 |
| 432 void JSGenericLowering::LowerJSLoadNativeContext(Node* node) { |
| 433 node->ReplaceInput( |
| 434 1, jsgraph()->IntPtrConstant(JSGlobalObject::kNativeContextOffset - |
| 435 kHeapObjectTag)); |
| 436 node->AppendInput(zone(), graph()->start()); |
| 437 NodeProperties::ChangeOp(node, machine()->Load(kMachAnyTagged)); |
| 438 } |
| 439 |
| 440 |
442 void JSGenericLowering::LowerJSLoadDynamic(Node* node) { | 441 void JSGenericLowering::LowerJSLoadDynamic(Node* node) { |
443 const DynamicAccess& access = DynamicAccessOf(node->op()); | 442 const DynamicAccess& access = DynamicAccessOf(node->op()); |
444 Runtime::FunctionId function_id = | 443 Runtime::FunctionId function_id = |
445 (access.typeof_mode() == NOT_INSIDE_TYPEOF) | 444 (access.typeof_mode() == NOT_INSIDE_TYPEOF) |
446 ? Runtime::kLoadLookupSlot | 445 ? Runtime::kLoadLookupSlot |
447 : Runtime::kLoadLookupSlotNoReferenceError; | 446 : Runtime::kLoadLookupSlotNoReferenceError; |
448 Node* projection = graph()->NewNode(common()->Projection(0), node); | 447 Node* projection = graph()->NewNode(common()->Projection(0), node); |
449 NodeProperties::ReplaceUses(node, projection, node, node, node); | 448 NodeProperties::ReplaceUses(node, projection, node, node, node); |
450 node->RemoveInput(NodeProperties::FirstValueIndex(node)); | 449 node->RemoveInput(NodeProperties::FirstValueIndex(node)); |
451 node->InsertInput(zone(), 1, jsgraph()->Constant(access.name())); | 450 node->InsertInput(zone(), 1, jsgraph()->Constant(access.name())); |
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890 } | 889 } |
891 | 890 |
892 | 891 |
893 MachineOperatorBuilder* JSGenericLowering::machine() const { | 892 MachineOperatorBuilder* JSGenericLowering::machine() const { |
894 return jsgraph()->machine(); | 893 return jsgraph()->machine(); |
895 } | 894 } |
896 | 895 |
897 } // namespace compiler | 896 } // namespace compiler |
898 } // namespace internal | 897 } // namespace internal |
899 } // namespace v8 | 898 } // namespace v8 |
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