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Issue 1434873004: [turbofan] Pass new target to JSCreate nodes. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@local_inlining-constructor-1
Patch Set: Created 5 years, 1 month ago
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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/compiler/js-inlining.h" 5 #include "src/compiler/js-inlining.h"
6 6
7 #include "src/ast.h" 7 #include "src/ast.h"
8 #include "src/ast-numbering.h" 8 #include "src/ast-numbering.h"
9 #include "src/compiler.h" 9 #include "src/compiler.h"
10 #include "src/compiler/all-nodes.h" 10 #include "src/compiler/all-nodes.h"
(...skipping 434 matching lines...) Expand 10 before | Expand all | Expand 10 after
445 Node* end = visitor.GetCopy(graph.end()); 445 Node* end = visitor.GetCopy(graph.end());
446 Node* frame_state = call.frame_state_after(); 446 Node* frame_state = call.frame_state_after();
447 447
448 // Insert nodes around the call that model the behavior required for a 448 // Insert nodes around the call that model the behavior required for a
449 // constructor dispatch and turn the constructor call into a regular call. 449 // constructor dispatch and turn the constructor call into a regular call.
450 // This models the behavior usually accomplished by our {JSConstructStub}. 450 // This models the behavior usually accomplished by our {JSConstructStub}.
451 // Note that the context has to be the callers context (input to call node). 451 // Note that the context has to be the callers context (input to call node).
452 if (node->opcode() == IrOpcode::kJSCallConstruct) { 452 if (node->opcode() == IrOpcode::kJSCallConstruct) {
453 Node* effect = NodeProperties::GetEffectInput(node); 453 Node* effect = NodeProperties::GetEffectInput(node);
454 Node* context = NodeProperties::GetContextInput(node); 454 Node* context = NodeProperties::GetContextInput(node);
455 Node* create = jsgraph_->graph()->NewNode(jsgraph_->javascript()->Create(), 455 Node* create = jsgraph_->graph()->NewNode(
456 call.target(), context, effect); 456 jsgraph_->javascript()->Create(), call.target(),
457 call.original_constructor(), context, effect);
457 NodeProperties::ReplaceEffectInput(node, create); 458 NodeProperties::ReplaceEffectInput(node, create);
458 // TODO(4544): For now {JSCreate} requires the actual constructor to 459 // TODO(4544): For now Runtime_GetOriginalConstructor depends on the actual
459 // coincide with the original constructor. Adapt JSGenericLowering to fix. 460 // constructor to coincide with the original constructor. Fix this!
460 // Also Runtime_GetOriginalConstructor depends on this for now. Fix as well!
461 CHECK_EQ(call.target(), call.original_constructor()); 461 CHECK_EQ(call.target(), call.original_constructor());
462 // TODO(4544): For derived constructors we should not allocate an implicit 462 // TODO(4544): For derived constructors we should not allocate an implicit
463 // receiver and also the return value should not be checked afterwards. 463 // receiver and also the return value should not be checked afterwards.
464 CHECK(!IsClassConstructor(function->shared()->kind())); 464 CHECK(!IsClassConstructor(function->shared()->kind()));
465 // Swizzle the inputs of the {JSCallConstruct} node to look like inputs to 465 // Swizzle the inputs of the {JSCallConstruct} node to look like inputs to
466 // any {JSCallFunction} node so that the rest of the inlining machinery 466 // any {JSCallFunction} node so that the rest of the inlining machinery
467 // behaves as if we were dealing with a regular function invocation. 467 // behaves as if we were dealing with a regular function invocation.
468 node->RemoveInput(call.formal_arguments() + 1); // Drop new.target. 468 node->RemoveInput(call.formal_arguments() + 1); // Drop new.target.
469 node->InsertInput(jsgraph_->graph()->zone(), 1, create); 469 node->InsertInput(jsgraph_->graph()->zone(), 1, create);
470 // Insert a check of the return value to determine whether the return value 470 // Insert a check of the return value to determine whether the return value
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517 node, frame_state, call.formal_arguments(), 517 node, frame_state, call.formal_arguments(),
518 FrameStateType::kArgumentsAdaptor, info.shared_info()); 518 FrameStateType::kArgumentsAdaptor, info.shared_info());
519 } 519 }
520 520
521 return InlineCall(node, context, frame_state, start, end); 521 return InlineCall(node, context, frame_state, start, end);
522 } 522 }
523 523
524 } // namespace compiler 524 } // namespace compiler
525 } // namespace internal 525 } // namespace internal
526 } // namespace v8 526 } // namespace v8
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