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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/escape-analysis-reducer.h" | 5 #include "src/compiler/escape-analysis-reducer.h" |
6 | 6 |
7 #include "src/compiler/all-nodes.h" | 7 #include "src/compiler/all-nodes.h" |
8 #include "src/compiler/js-graph.h" | 8 #include "src/compiler/js-graph.h" |
9 #include "src/counters.h" | 9 #include "src/counters.h" |
10 | 10 |
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261 } else { | 261 } else { |
262 if (Node* ret = ReduceStateValueInput(node, i, effect, node_multiused, | 262 if (Node* ret = ReduceStateValueInput(node, i, effect, node_multiused, |
263 clone, multiple_users)) { | 263 clone, multiple_users)) { |
264 DCHECK_NULL(clone); | 264 DCHECK_NULL(clone); |
265 node_multiused = false; // Don't clone anymore. | 265 node_multiused = false; // Don't clone anymore. |
266 node = clone = ret; | 266 node = clone = ret; |
267 } | 267 } |
268 } | 268 } |
269 } | 269 } |
270 if (node->opcode() == IrOpcode::kFrameState) { | 270 if (node->opcode() == IrOpcode::kFrameState) { |
271 Node* outer_frame_state = NodeProperties::GetFrameStateInput(node, 0); | 271 Node* outer_frame_state = NodeProperties::GetFrameStateInput(node); |
272 if (outer_frame_state->opcode() == IrOpcode::kFrameState) { | 272 if (outer_frame_state->opcode() == IrOpcode::kFrameState) { |
273 if (Node* ret = | 273 if (Node* ret = |
274 ReduceDeoptState(outer_frame_state, effect, multiple_users_rec)) { | 274 ReduceDeoptState(outer_frame_state, effect, multiple_users_rec)) { |
275 if (node_multiused || (multiple_users && !clone)) { | 275 if (node_multiused || (multiple_users && !clone)) { |
276 TRACE(" Cloning #%d", node->id()); | 276 TRACE(" Cloning #%d", node->id()); |
277 node = clone = jsgraph()->graph()->CloneNode(node); | 277 node = clone = jsgraph()->graph()->CloneNode(node); |
278 TRACE(" to #%d\n", node->id()); | 278 TRACE(" to #%d\n", node->id()); |
279 } | 279 } |
280 NodeProperties::ReplaceFrameStateInput(node, 0, ret); | 280 NodeProperties::ReplaceFrameStateInput(node, ret); |
281 } | 281 } |
282 } | 282 } |
283 } | 283 } |
284 if (node->id() < static_cast<NodeId>(fully_reduced_.length())) { | 284 if (node->id() < static_cast<NodeId>(fully_reduced_.length())) { |
285 fully_reduced_.Add(node->id()); | 285 fully_reduced_.Add(node->id()); |
286 } | 286 } |
287 return clone; | 287 return clone; |
288 } | 288 } |
289 | 289 |
290 | 290 |
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337 } | 337 } |
338 } | 338 } |
339 #endif // DEBUG | 339 #endif // DEBUG |
340 } | 340 } |
341 | 341 |
342 Isolate* EscapeAnalysisReducer::isolate() const { return jsgraph_->isolate(); } | 342 Isolate* EscapeAnalysisReducer::isolate() const { return jsgraph_->isolate(); } |
343 | 343 |
344 } // namespace compiler | 344 } // namespace compiler |
345 } // namespace internal | 345 } // namespace internal |
346 } // namespace v8 | 346 } // namespace v8 |
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