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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/bytecode-graph-builder.h" | 5 #include "src/compiler/bytecode-graph-builder.h" |
6 | 6 |
7 #include "src/ast/ast.h" | 7 #include "src/ast/ast.h" |
8 #include "src/ast/scopes.h" | 8 #include "src/ast/scopes.h" |
9 #include "src/compilation-info.h" | 9 #include "src/compilation-info.h" |
10 #include "src/compiler/compiler-source-position-table.h" | 10 #include "src/compiler/compiler-source-position-table.h" |
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1328 interpreter::Register first_return = | 1328 interpreter::Register first_return = |
1329 bytecode_iterator().GetRegisterOperand(3); | 1329 bytecode_iterator().GetRegisterOperand(3); |
1330 | 1330 |
1331 // Create node to perform the runtime call. | 1331 // Create node to perform the runtime call. |
1332 const Operator* call = javascript()->CallRuntime(functionId, arg_count); | 1332 const Operator* call = javascript()->CallRuntime(functionId, arg_count); |
1333 Node* return_pair = ProcessCallRuntimeArguments(call, first_arg, arg_count); | 1333 Node* return_pair = ProcessCallRuntimeArguments(call, first_arg, arg_count); |
1334 environment()->BindRegistersToProjections(first_return, return_pair, | 1334 environment()->BindRegistersToProjections(first_return, return_pair, |
1335 Environment::kAttachFrameState); | 1335 Environment::kAttachFrameState); |
1336 } | 1336 } |
1337 | 1337 |
| 1338 Node* BytecodeGraphBuilder::ProcessCallNewWithSpreadArguments( |
| 1339 const Operator* op, interpreter::Register first_arg, size_t arity) { |
| 1340 Node** all = local_zone()->NewArray<Node*>(arity); |
| 1341 all[0] = environment()->LookupRegister(first_arg); |
| 1342 int first_arg_index = first_arg.index(); |
| 1343 for (int i = 1; i < static_cast<int>(arity) - 1; ++i) { |
| 1344 all[i] = environment()->LookupRegister( |
| 1345 interpreter::Register(first_arg_index + i + 1)); |
| 1346 } |
| 1347 all[arity - 1] = |
| 1348 environment()->LookupRegister(interpreter::Register(first_arg_index + 1)); |
| 1349 Node* value = MakeNode(op, static_cast<int>(arity), all, false); |
| 1350 return value; |
| 1351 } |
| 1352 |
1338 void BytecodeGraphBuilder::VisitNewWithSpread() { | 1353 void BytecodeGraphBuilder::VisitNewWithSpread() { |
1339 PrepareEagerCheckpoint(); | 1354 PrepareEagerCheckpoint(); |
1340 interpreter::Register first_arg = bytecode_iterator().GetRegisterOperand(0); | 1355 interpreter::Register first_arg = bytecode_iterator().GetRegisterOperand(0); |
1341 size_t arg_count = bytecode_iterator().GetRegisterCountOperand(1); | 1356 size_t arg_count = bytecode_iterator().GetRegisterCountOperand(1); |
1342 | 1357 |
1343 const Operator* op = | 1358 const Operator* op = |
1344 javascript()->CallConstructWithSpread(static_cast<int>(arg_count)); | 1359 javascript()->CallConstructWithSpread(static_cast<int>(arg_count)); |
1345 Node* value = ProcessCallRuntimeArguments(op, first_arg, arg_count); | 1360 Node* value = ProcessCallNewWithSpreadArguments(op, first_arg, arg_count); |
1346 environment()->BindAccumulator(value, Environment::kAttachFrameState); | 1361 environment()->BindAccumulator(value, Environment::kAttachFrameState); |
1347 } | 1362 } |
1348 | 1363 |
1349 void BytecodeGraphBuilder::VisitInvokeIntrinsic() { | 1364 void BytecodeGraphBuilder::VisitInvokeIntrinsic() { |
1350 PrepareEagerCheckpoint(); | 1365 PrepareEagerCheckpoint(); |
1351 Runtime::FunctionId functionId = bytecode_iterator().GetIntrinsicIdOperand(0); | 1366 Runtime::FunctionId functionId = bytecode_iterator().GetIntrinsicIdOperand(0); |
1352 interpreter::Register first_arg = bytecode_iterator().GetRegisterOperand(1); | 1367 interpreter::Register first_arg = bytecode_iterator().GetRegisterOperand(1); |
1353 size_t arg_count = bytecode_iterator().GetRegisterCountOperand(2); | 1368 size_t arg_count = bytecode_iterator().GetRegisterCountOperand(2); |
1354 | 1369 |
1355 // Create node to perform the runtime call. Turbofan will take care of the | 1370 // Create node to perform the runtime call. Turbofan will take care of the |
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2236 it->source_position().ScriptOffset(), start_position_.InliningId())); | 2251 it->source_position().ScriptOffset(), start_position_.InliningId())); |
2237 it->Advance(); | 2252 it->Advance(); |
2238 } else { | 2253 } else { |
2239 DCHECK_GT(it->code_offset(), offset); | 2254 DCHECK_GT(it->code_offset(), offset); |
2240 } | 2255 } |
2241 } | 2256 } |
2242 | 2257 |
2243 } // namespace compiler | 2258 } // namespace compiler |
2244 } // namespace internal | 2259 } // namespace internal |
2245 } // namespace v8 | 2260 } // namespace v8 |
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