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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/ast.h" | 5 #include "src/ast.h" |
6 #include "src/ast-numbering.h" | 6 #include "src/ast-numbering.h" |
7 #include "src/compiler/access-builder.h" | 7 #include "src/compiler/access-builder.h" |
8 #include "src/compiler/ast-graph-builder.h" | 8 #include "src/compiler/ast-graph-builder.h" |
9 #include "src/compiler/common-operator.h" | 9 #include "src/compiler/common-operator.h" |
10 #include "src/compiler/generic-node-inl.h" | 10 #include "src/compiler/generic-node-inl.h" |
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25 | 25 |
26 | 26 |
27 namespace v8 { | 27 namespace v8 { |
28 namespace internal { | 28 namespace internal { |
29 namespace compiler { | 29 namespace compiler { |
30 | 30 |
31 class InlinerVisitor : public NullNodeVisitor { | 31 class InlinerVisitor : public NullNodeVisitor { |
32 public: | 32 public: |
33 explicit InlinerVisitor(JSInliner* inliner) : inliner_(inliner) {} | 33 explicit InlinerVisitor(JSInliner* inliner) : inliner_(inliner) {} |
34 | 34 |
35 GenericGraphVisit::Control Post(Node* node) { | 35 void Post(Node* node) { |
36 switch (node->opcode()) { | 36 switch (node->opcode()) { |
37 case IrOpcode::kJSCallFunction: | 37 case IrOpcode::kJSCallFunction: |
38 inliner_->TryInlineJSCall(node); | 38 inliner_->TryInlineJSCall(node); |
39 break; | 39 break; |
40 case IrOpcode::kJSCallRuntime: | 40 case IrOpcode::kJSCallRuntime: |
41 if (FLAG_turbo_inlining_intrinsics) { | 41 if (FLAG_turbo_inlining_intrinsics) { |
42 inliner_->TryInlineRuntimeCall(node); | 42 inliner_->TryInlineRuntimeCall(node); |
43 } | 43 } |
44 break; | 44 break; |
45 default: | 45 default: |
46 break; | 46 break; |
47 } | 47 } |
48 return GenericGraphVisit::CONTINUE; | |
49 } | 48 } |
50 | 49 |
51 private: | 50 private: |
52 JSInliner* inliner_; | 51 JSInliner* inliner_; |
53 }; | 52 }; |
54 | 53 |
55 | 54 |
56 void JSInliner::Inline() { | 55 void JSInliner::Inline() { |
57 InlinerVisitor visitor(this); | 56 InlinerVisitor visitor(this); |
58 jsgraph_->graph()->VisitNodeInputsFromEnd(&visitor); | 57 jsgraph_->graph()->VisitNodeInputsFromEnd(&visitor); |
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160 public: | 159 public: |
161 CopyVisitor(Graph* source_graph, Graph* target_graph, Zone* temp_zone) | 160 CopyVisitor(Graph* source_graph, Graph* target_graph, Zone* temp_zone) |
162 : copies_(source_graph->NodeCount(), NULL, temp_zone), | 161 : copies_(source_graph->NodeCount(), NULL, temp_zone), |
163 sentinels_(source_graph->NodeCount(), NULL, temp_zone), | 162 sentinels_(source_graph->NodeCount(), NULL, temp_zone), |
164 source_graph_(source_graph), | 163 source_graph_(source_graph), |
165 target_graph_(target_graph), | 164 target_graph_(target_graph), |
166 temp_zone_(temp_zone), | 165 temp_zone_(temp_zone), |
167 sentinel_op_(IrOpcode::kDead, Operator::kNoProperties, "sentinel", 0, 0, | 166 sentinel_op_(IrOpcode::kDead, Operator::kNoProperties, "sentinel", 0, 0, |
168 0, 0, 0, 0) {} | 167 0, 0, 0, 0) {} |
169 | 168 |
170 GenericGraphVisit::Control Post(Node* original) { | 169 void Post(Node* original) { |
171 NodeVector inputs(temp_zone_); | 170 NodeVector inputs(temp_zone_); |
172 for (InputIter it = original->inputs().begin(); | 171 for (InputIter it = original->inputs().begin(); |
173 it != original->inputs().end(); ++it) { | 172 it != original->inputs().end(); ++it) { |
174 inputs.push_back(GetCopy(*it)); | 173 inputs.push_back(GetCopy(*it)); |
175 } | 174 } |
176 | 175 |
177 // Reuse the operator in the copy. This assumes that op lives in a zone | 176 // Reuse the operator in the copy. This assumes that op lives in a zone |
178 // that lives longer than graph()'s zone. | 177 // that lives longer than graph()'s zone. |
179 Node* copy = | 178 Node* copy = |
180 target_graph_->NewNode(original->op(), static_cast<int>(inputs.size()), | 179 target_graph_->NewNode(original->op(), static_cast<int>(inputs.size()), |
181 (inputs.empty() ? NULL : &inputs.front())); | 180 (inputs.empty() ? NULL : &inputs.front())); |
182 copies_[original->id()] = copy; | 181 copies_[original->id()] = copy; |
183 return GenericGraphVisit::CONTINUE; | |
184 } | 182 } |
185 | 183 |
186 Node* GetCopy(Node* original) { | 184 Node* GetCopy(Node* original) { |
187 Node* copy = copies_[original->id()]; | 185 Node* copy = copies_[original->id()]; |
188 if (copy == NULL) { | 186 if (copy == NULL) { |
189 copy = GetSentinel(original); | 187 copy = GetSentinel(original); |
190 } | 188 } |
191 DCHECK_NE(NULL, copy); | 189 DCHECK_NE(NULL, copy); |
192 return copy; | 190 return copy; |
193 } | 191 } |
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488 info_->shared_info()->DebugName()->ToCString().get()); | 486 info_->shared_info()->DebugName()->ToCString().get()); |
489 } | 487 } |
490 NodeProperties::ReplaceWithValue(call_node, r.first, r.second); | 488 NodeProperties::ReplaceWithValue(call_node, r.first, r.second); |
491 call_node->RemoveAllInputs(); | 489 call_node->RemoveAllInputs(); |
492 DCHECK_EQ(0, call_node->UseCount()); | 490 DCHECK_EQ(0, call_node->UseCount()); |
493 } | 491 } |
494 } | 492 } |
495 } | 493 } |
496 } | 494 } |
497 } // namespace v8::internal::compiler | 495 } // namespace v8::internal::compiler |
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