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Issue 2255973004: [turbofan] Give different functions different names. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 4 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 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-native-context-specialization.h" 5 #include "src/compiler/js-native-context-specialization.h"
6 6
7 #include "src/accessors.h" 7 #include "src/accessors.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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312 control_count + 1, &values.front()); 312 control_count + 1, &values.front());
313 effects.push_back(control); 313 effects.push_back(control);
314 effect = graph()->NewNode(common()->EffectPhi(control_count), 314 effect = graph()->NewNode(common()->EffectPhi(control_count),
315 control_count + 1, &effects.front()); 315 control_count + 1, &effects.front());
316 } 316 }
317 } 317 }
318 ReplaceWithValue(node, value, effect, control); 318 ReplaceWithValue(node, value, effect, control);
319 return Replace(value); 319 return Replace(value);
320 } 320 }
321 321
322 Reduction JSNativeContextSpecialization::ReduceNamedAccess( 322 Reduction JSNativeContextSpecialization::ReduceNamedAccessFromNexus(
323 Node* node, Node* value, FeedbackNexus const& nexus, Handle<Name> name, 323 Node* node, Node* value, FeedbackNexus const& nexus, Handle<Name> name,
324 AccessMode access_mode, LanguageMode language_mode) { 324 AccessMode access_mode, LanguageMode language_mode) {
325 DCHECK(node->opcode() == IrOpcode::kJSLoadNamed || 325 DCHECK(node->opcode() == IrOpcode::kJSLoadNamed ||
326 node->opcode() == IrOpcode::kJSStoreNamed); 326 node->opcode() == IrOpcode::kJSStoreNamed);
327 Node* const receiver = NodeProperties::GetValueInput(node, 0); 327 Node* const receiver = NodeProperties::GetValueInput(node, 0);
328 Node* const effect = NodeProperties::GetEffectInput(node); 328 Node* const effect = NodeProperties::GetEffectInput(node);
329 329
330 // Check if the {nexus} reports type feedback for the IC. 330 // Check if the {nexus} reports type feedback for the IC.
331 if (nexus.IsUninitialized()) { 331 if (nexus.IsUninitialized()) {
332 if ((flags() & kDeoptimizationEnabled) && 332 if ((flags() & kDeoptimizationEnabled) &&
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386 } 386 }
387 } 387 }
388 } 388 }
389 } 389 }
390 390
391 // Extract receiver maps from the LOAD_IC using the LoadICNexus. 391 // Extract receiver maps from the LOAD_IC using the LoadICNexus.
392 if (!p.feedback().IsValid()) return NoChange(); 392 if (!p.feedback().IsValid()) return NoChange();
393 LoadICNexus nexus(p.feedback().vector(), p.feedback().slot()); 393 LoadICNexus nexus(p.feedback().vector(), p.feedback().slot());
394 394
395 // Try to lower the named access based on the {receiver_maps}. 395 // Try to lower the named access based on the {receiver_maps}.
396 return ReduceNamedAccess(node, value, nexus, p.name(), AccessMode::kLoad, 396 return ReduceNamedAccessFromNexus(node, value, nexus, p.name(),
397 p.language_mode()); 397 AccessMode::kLoad, p.language_mode());
398 } 398 }
399 399
400 400
401 Reduction JSNativeContextSpecialization::ReduceJSStoreNamed(Node* node) { 401 Reduction JSNativeContextSpecialization::ReduceJSStoreNamed(Node* node) {
402 DCHECK_EQ(IrOpcode::kJSStoreNamed, node->opcode()); 402 DCHECK_EQ(IrOpcode::kJSStoreNamed, node->opcode());
403 NamedAccess const& p = NamedAccessOf(node->op()); 403 NamedAccess const& p = NamedAccessOf(node->op());
404 Node* const value = NodeProperties::GetValueInput(node, 1); 404 Node* const value = NodeProperties::GetValueInput(node, 1);
405 405
406 // Extract receiver maps from the STORE_IC using the StoreICNexus. 406 // Extract receiver maps from the STORE_IC using the StoreICNexus.
407 if (!p.feedback().IsValid()) return NoChange(); 407 if (!p.feedback().IsValid()) return NoChange();
408 StoreICNexus nexus(p.feedback().vector(), p.feedback().slot()); 408 StoreICNexus nexus(p.feedback().vector(), p.feedback().slot());
409 409
410 // Try to lower the named access based on the {receiver_maps}. 410 // Try to lower the named access based on the {receiver_maps}.
411 return ReduceNamedAccess(node, value, nexus, p.name(), AccessMode::kStore, 411 return ReduceNamedAccessFromNexus(node, value, nexus, p.name(),
412 p.language_mode()); 412 AccessMode::kStore, p.language_mode());
413 } 413 }
414 414
415 415
416 Reduction JSNativeContextSpecialization::ReduceElementAccess( 416 Reduction JSNativeContextSpecialization::ReduceElementAccess(
417 Node* node, Node* index, Node* value, MapHandleList const& receiver_maps, 417 Node* node, Node* index, Node* value, MapHandleList const& receiver_maps,
418 AccessMode access_mode, LanguageMode language_mode, 418 AccessMode access_mode, LanguageMode language_mode,
419 KeyedAccessStoreMode store_mode) { 419 KeyedAccessStoreMode store_mode) {
420 DCHECK(node->opcode() == IrOpcode::kJSLoadProperty || 420 DCHECK(node->opcode() == IrOpcode::kJSLoadProperty ||
421 node->opcode() == IrOpcode::kJSStoreProperty); 421 node->opcode() == IrOpcode::kJSStoreProperty);
422 Node* receiver = NodeProperties::GetValueInput(node, 0); 422 Node* receiver = NodeProperties::GetValueInput(node, 0);
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1493 } 1493 }
1494 1494
1495 1495
1496 SimplifiedOperatorBuilder* JSNativeContextSpecialization::simplified() const { 1496 SimplifiedOperatorBuilder* JSNativeContextSpecialization::simplified() const {
1497 return jsgraph()->simplified(); 1497 return jsgraph()->simplified();
1498 } 1498 }
1499 1499
1500 } // namespace compiler 1500 } // namespace compiler
1501 } // namespace internal 1501 } // namespace internal
1502 } // namespace v8 1502 } // namespace v8
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