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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/instruction-selector.h" | 5 #include "src/compiler/instruction-selector.h" |
6 | 6 |
7 #include "src/compiler/instruction-selector-impl.h" | 7 #include "src/compiler/instruction-selector-impl.h" |
8 #include "src/compiler/node-matchers.h" | 8 #include "src/compiler/node-matchers.h" |
9 #include "src/compiler/node-properties-inl.h" | 9 #include "src/compiler/node-properties-inl.h" |
10 #include "src/compiler/pipeline.h" | 10 #include "src/compiler/pipeline.h" |
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277 OperandGenerator g(this); | 277 OperandGenerator g(this); |
278 DCHECK_EQ(call->op()->OutputCount(), buffer->descriptor->ReturnCount()); | 278 DCHECK_EQ(call->op()->OutputCount(), buffer->descriptor->ReturnCount()); |
279 DCHECK_EQ(OperatorProperties::GetValueInputCount(call->op()), | 279 DCHECK_EQ(OperatorProperties::GetValueInputCount(call->op()), |
280 buffer->input_count() + buffer->frame_state_count()); | 280 buffer->input_count() + buffer->frame_state_count()); |
281 | 281 |
282 if (buffer->descriptor->ReturnCount() > 0) { | 282 if (buffer->descriptor->ReturnCount() > 0) { |
283 // Collect the projections that represent multiple outputs from this call. | 283 // Collect the projections that represent multiple outputs from this call. |
284 if (buffer->descriptor->ReturnCount() == 1) { | 284 if (buffer->descriptor->ReturnCount() == 1) { |
285 buffer->output_nodes.push_back(call); | 285 buffer->output_nodes.push_back(call); |
286 } else { | 286 } else { |
| 287 buffer->output_nodes.resize(buffer->descriptor->ReturnCount(), NULL); |
287 call->CollectProjections(&buffer->output_nodes); | 288 call->CollectProjections(&buffer->output_nodes); |
288 DCHECK(buffer->output_nodes.size() <= | |
289 static_cast<size_t>(buffer->descriptor->ReturnCount())); | |
290 } | 289 } |
291 | 290 |
292 // Filter out the outputs that aren't live because no projection uses them. | 291 // Filter out the outputs that aren't live because no projection uses them. |
293 for (size_t i = 0; i < buffer->output_nodes.size(); i++) { | 292 for (size_t i = 0; i < buffer->output_nodes.size(); i++) { |
294 if (buffer->output_nodes[i] != NULL) { | 293 if (buffer->output_nodes[i] != NULL) { |
295 Node* output = buffer->output_nodes[i]; | 294 Node* output = buffer->output_nodes[i]; |
296 LinkageLocation location = | 295 LinkageLocation location = |
297 buffer->descriptor->GetReturnLocation(static_cast<int>(i)); | 296 buffer->descriptor->GetReturnLocation(static_cast<int>(i)); |
298 MarkAsRepresentation(location.representation(), output); | 297 MarkAsRepresentation(location.representation(), output); |
299 buffer->outputs.push_back(g.DefineAsLocation(output, location)); | 298 buffer->outputs.push_back(g.DefineAsLocation(output, location)); |
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1127 | 1126 |
1128 | 1127 |
1129 void InstructionSelector::VisitCall(Node* call, BasicBlock* continuation, | 1128 void InstructionSelector::VisitCall(Node* call, BasicBlock* continuation, |
1130 BasicBlock* deoptimization) {} | 1129 BasicBlock* deoptimization) {} |
1131 | 1130 |
1132 #endif // !V8_TURBOFAN_BACKEND | 1131 #endif // !V8_TURBOFAN_BACKEND |
1133 | 1132 |
1134 } // namespace compiler | 1133 } // namespace compiler |
1135 } // namespace internal | 1134 } // namespace internal |
1136 } // namespace v8 | 1135 } // namespace v8 |
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