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Issue 2020323004: [turbofan] Remove eager frame state from all nodes. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@local_turbofan-checkpoint-3
Patch Set: Rebased. 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/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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