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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/graph.h" | 7 #include "src/compiler/graph.h" |
| 8 #include "src/compiler/instruction-selector-impl.h" | 8 #include "src/compiler/instruction-selector-impl.h" |
| 9 #include "src/compiler/node-matchers.h" | 9 #include "src/compiler/node-matchers.h" |
| 10 #include "src/compiler/node-properties-inl.h" | 10 #include "src/compiler/node-properties-inl.h" |
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| 288 instruction_args.reserve(input_count() + frame_state_value_count()); | 288 instruction_args.reserve(input_count() + frame_state_value_count()); |
| 289 } | 289 } |
| 290 | 290 |
| 291 | 291 |
| 292 // TODO(bmeurer): Get rid of the CallBuffer business and make | 292 // TODO(bmeurer): Get rid of the CallBuffer business and make |
| 293 // InstructionSelector::VisitCall platform independent instead. | 293 // InstructionSelector::VisitCall platform independent instead. |
| 294 void InstructionSelector::InitializeCallBuffer(Node* call, CallBuffer* buffer, | 294 void InstructionSelector::InitializeCallBuffer(Node* call, CallBuffer* buffer, |
| 295 bool call_code_immediate, | 295 bool call_code_immediate, |
| 296 bool call_address_immediate) { | 296 bool call_address_immediate) { |
| 297 OperandGenerator g(this); | 297 OperandGenerator g(this); |
| 298 DCHECK_EQ(call->op()->OutputCount(), | 298 DCHECK_EQ(call->op()->ValueOutputCount(), |
| 299 static_cast<int>(buffer->descriptor->ReturnCount())); | 299 static_cast<int>(buffer->descriptor->ReturnCount())); |
| 300 DCHECK_EQ( | 300 DCHECK_EQ( |
| 301 call->op()->ValueInputCount(), | 301 call->op()->ValueInputCount(), |
| 302 static_cast<int>(buffer->input_count() + buffer->frame_state_count())); | 302 static_cast<int>(buffer->input_count() + buffer->frame_state_count())); |
| 303 | 303 |
| 304 if (buffer->descriptor->ReturnCount() > 0) { | 304 if (buffer->descriptor->ReturnCount() > 0) { |
| 305 // Collect the projections that represent multiple outputs from this call. | 305 // Collect the projections that represent multiple outputs from this call. |
| 306 if (buffer->descriptor->ReturnCount() == 1) { | 306 if (buffer->descriptor->ReturnCount() == 1) { |
| 307 buffer->output_nodes.push_back(call); | 307 buffer->output_nodes.push_back(call); |
| 308 } else { | 308 } else { |
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| 922 g.DefineAsLocation(node, linkage()->GetParameterLocation(index), | 922 g.DefineAsLocation(node, linkage()->GetParameterLocation(index), |
| 923 linkage()->GetParameterType(index))); | 923 linkage()->GetParameterType(index))); |
| 924 } | 924 } |
| 925 | 925 |
| 926 | 926 |
| 927 void InstructionSelector::VisitPhi(Node* node) { | 927 void InstructionSelector::VisitPhi(Node* node) { |
| 928 // TODO(bmeurer): Emit a PhiInstruction here. | 928 // TODO(bmeurer): Emit a PhiInstruction here. |
| 929 PhiInstruction* phi = new (instruction_zone()) | 929 PhiInstruction* phi = new (instruction_zone()) |
| 930 PhiInstruction(instruction_zone(), GetVirtualRegister(node)); | 930 PhiInstruction(instruction_zone(), GetVirtualRegister(node)); |
| 931 sequence()->InstructionBlockAt(current_block_->GetRpoNumber())->AddPhi(phi); | 931 sequence()->InstructionBlockAt(current_block_->GetRpoNumber())->AddPhi(phi); |
| 932 const int input_count = node->op()->InputCount(); | 932 const int input_count = node->op()->ValueInputCount(); |
| 933 phi->operands().reserve(static_cast<size_t>(input_count)); | 933 phi->operands().reserve(static_cast<size_t>(input_count)); |
| 934 for (int i = 0; i < input_count; ++i) { | 934 for (int i = 0; i < input_count; ++i) { |
| 935 Node* const input = node->InputAt(i); | 935 Node* const input = node->InputAt(i); |
| 936 MarkAsUsed(input); | 936 MarkAsUsed(input); |
| 937 phi->operands().push_back(GetVirtualRegister(input)); | 937 phi->operands().push_back(GetVirtualRegister(input)); |
| 938 } | 938 } |
| 939 } | 939 } |
| 940 | 940 |
| 941 | 941 |
| 942 void InstructionSelector::VisitProjection(Node* node) { | 942 void InstructionSelector::VisitProjection(Node* node) { |
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| 1114 MachineOperatorBuilder::Flags | 1114 MachineOperatorBuilder::Flags |
| 1115 InstructionSelector::SupportedMachineOperatorFlags() { | 1115 InstructionSelector::SupportedMachineOperatorFlags() { |
| 1116 return MachineOperatorBuilder::Flag::kNoFlags; | 1116 return MachineOperatorBuilder::Flag::kNoFlags; |
| 1117 } | 1117 } |
| 1118 | 1118 |
| 1119 #endif // !V8_TURBOFAN_BACKEND | 1119 #endif // !V8_TURBOFAN_BACKEND |
| 1120 | 1120 |
| 1121 } // namespace compiler | 1121 } // namespace compiler |
| 1122 } // namespace internal | 1122 } // namespace internal |
| 1123 } // namespace v8 | 1123 } // namespace v8 |
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