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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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332 } | 332 } |
333 | 333 |
334 | 334 |
335 void JSGenericLowering::LowerJSLoadGlobal(Node* node) { | 335 void JSGenericLowering::LowerJSLoadGlobal(Node* node) { |
336 CallDescriptor::Flags flags = AdjustFrameStatesForCall(node); | 336 CallDescriptor::Flags flags = AdjustFrameStatesForCall(node); |
337 const LoadGlobalParameters& p = LoadGlobalParametersOf(node->op()); | 337 const LoadGlobalParameters& p = LoadGlobalParametersOf(node->op()); |
338 if (p.slot_index() >= 0) { | 338 if (p.slot_index() >= 0) { |
339 Callable callable = CodeFactory::LoadGlobalViaContext(isolate(), 0); | 339 Callable callable = CodeFactory::LoadGlobalViaContext(isolate(), 0); |
340 Node* script_context = node->InputAt(0); | 340 Node* script_context = node->InputAt(0); |
341 node->ReplaceInput(0, jsgraph()->Int32Constant(p.slot_index())); | 341 node->ReplaceInput(0, jsgraph()->Int32Constant(p.slot_index())); |
342 node->ReplaceInput(1, jsgraph()->HeapConstant(p.name())); | 342 node->ReplaceInput(1, script_context); // Set new context... |
343 node->ReplaceInput(2, script_context); // Set new context... | 343 node->RemoveInput(2); |
344 node->RemoveInput(3); // ...instead of old one. | 344 node->RemoveInput(2); // ...instead of old one. |
345 ReplaceWithStubCall(node, callable, flags); | 345 ReplaceWithStubCall(node, callable, flags); |
346 | 346 |
347 } else { | 347 } else { |
348 Callable callable = CodeFactory::LoadICInOptimizedCode( | 348 Callable callable = CodeFactory::LoadICInOptimizedCode( |
349 isolate(), p.typeof_mode(), SLOPPY, UNINITIALIZED); | 349 isolate(), p.typeof_mode(), SLOPPY, UNINITIALIZED); |
350 node->RemoveInput(0); // script context | 350 node->RemoveInput(0); // script context |
351 node->InsertInput(zone(), 1, jsgraph()->HeapConstant(p.name())); | 351 node->InsertInput(zone(), 1, jsgraph()->HeapConstant(p.name())); |
352 node->InsertInput(zone(), 2, jsgraph()->SmiConstant(p.feedback().index())); | 352 node->InsertInput(zone(), 2, jsgraph()->SmiConstant(p.feedback().index())); |
353 ReplaceWithStubCall(node, callable, flags); | 353 ReplaceWithStubCall(node, callable, flags); |
354 } | 354 } |
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395 | 395 |
396 void JSGenericLowering::LowerJSStoreGlobal(Node* node) { | 396 void JSGenericLowering::LowerJSStoreGlobal(Node* node) { |
397 CallDescriptor::Flags flags = AdjustFrameStatesForCall(node); | 397 CallDescriptor::Flags flags = AdjustFrameStatesForCall(node); |
398 const StoreGlobalParameters& p = StoreGlobalParametersOf(node->op()); | 398 const StoreGlobalParameters& p = StoreGlobalParametersOf(node->op()); |
399 if (p.slot_index() >= 0) { | 399 if (p.slot_index() >= 0) { |
400 Callable callable = | 400 Callable callable = |
401 CodeFactory::StoreGlobalViaContext(isolate(), 0, p.language_mode()); | 401 CodeFactory::StoreGlobalViaContext(isolate(), 0, p.language_mode()); |
402 Node* script_context = node->InputAt(0); | 402 Node* script_context = node->InputAt(0); |
403 Node* value = node->InputAt(2); | 403 Node* value = node->InputAt(2); |
404 node->ReplaceInput(0, jsgraph()->Int32Constant(p.slot_index())); | 404 node->ReplaceInput(0, jsgraph()->Int32Constant(p.slot_index())); |
405 node->ReplaceInput(1, jsgraph()->HeapConstant(p.name())); | 405 node->ReplaceInput(1, value); |
406 node->ReplaceInput(2, value); | 406 node->ReplaceInput(2, script_context); // Set new context... |
407 node->ReplaceInput(3, script_context); // Set new context... | 407 node->RemoveInput(3); |
408 node->RemoveInput(4); // ...instead of old one. | 408 node->RemoveInput(3); // ...instead of old one. |
409 ReplaceWithStubCall(node, callable, flags); | 409 ReplaceWithStubCall(node, callable, flags); |
410 | 410 |
411 } else { | 411 } else { |
412 Callable callable = CodeFactory::StoreIC(isolate(), p.language_mode()); | 412 Callable callable = CodeFactory::StoreIC(isolate(), p.language_mode()); |
413 node->RemoveInput(0); // script context | 413 node->RemoveInput(0); // script context |
414 node->InsertInput(zone(), 1, jsgraph()->HeapConstant(p.name())); | 414 node->InsertInput(zone(), 1, jsgraph()->HeapConstant(p.name())); |
415 if (FLAG_vector_stores) { | 415 if (FLAG_vector_stores) { |
416 DCHECK(p.feedback().index() != -1); | 416 DCHECK(p.feedback().index() != -1); |
417 node->InsertInput(zone(), 3, | 417 node->InsertInput(zone(), 3, |
418 jsgraph()->SmiConstant(p.feedback().index())); | 418 jsgraph()->SmiConstant(p.feedback().index())); |
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845 } | 845 } |
846 | 846 |
847 | 847 |
848 MachineOperatorBuilder* JSGenericLowering::machine() const { | 848 MachineOperatorBuilder* JSGenericLowering::machine() const { |
849 return jsgraph()->machine(); | 849 return jsgraph()->machine(); |
850 } | 850 } |
851 | 851 |
852 } // namespace compiler | 852 } // namespace compiler |
853 } // namespace internal | 853 } // namespace internal |
854 } // namespace v8 | 854 } // namespace v8 |
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