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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/pipeline.h" | 5 #include "src/compiler/pipeline.h" |
6 #include "src/compiler/scheduler.h" | 6 #include "src/compiler/scheduler.h" |
7 #include "test/cctest/compiler/structured-machine-assembler.h" | 7 #include "test/cctest/compiler/structured-machine-assembler.h" |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
11 namespace compiler { | 11 namespace compiler { |
12 | 12 |
13 Node* Variable::Get() const { return smasm_->GetVariable(offset_); } | 13 Node* Variable::Get() const { return smasm_->GetVariable(offset_); } |
14 | 14 |
15 | 15 |
16 void Variable::Set(Node* value) const { smasm_->SetVariable(offset_, value); } | 16 void Variable::Set(Node* value) const { smasm_->SetVariable(offset_, value); } |
17 | 17 |
18 | 18 |
19 StructuredMachineAssembler::StructuredMachineAssembler( | 19 StructuredMachineAssembler::StructuredMachineAssembler( |
20 Graph* graph, MachineSignature* machine_sig, MachineType word) | 20 Graph* graph, MachineSignature* machine_sig, MachineType word) |
21 : GraphBuilder(graph), | 21 : RawMachineAssembler(graph, machine_sig, word), |
22 schedule_(new (zone()) Schedule(zone())), | |
23 machine_(zone(), word), | |
24 common_(zone()), | |
25 machine_sig_(machine_sig), | |
26 call_descriptor_( | |
27 Linkage::GetSimplifiedCDescriptor(graph->zone(), machine_sig)), | |
28 parameters_(NULL), | |
29 current_environment_(new (zone()) | 22 current_environment_(new (zone()) |
30 Environment(zone(), schedule()->start(), false)), | 23 Environment(zone(), schedule()->start(), false)), |
31 number_of_variables_(0) { | 24 number_of_variables_(0) {} |
32 int param_count = static_cast<int>(parameter_count()); | |
33 Node* s = graph->NewNode(common_.Start(param_count)); | |
34 graph->SetStart(s); | |
35 if (parameter_count() == 0) return; | |
36 parameters_ = zone()->NewArray<Node*>(param_count); | |
37 for (size_t i = 0; i < parameter_count(); ++i) { | |
38 parameters_[i] = | |
39 NewNode(common()->Parameter(static_cast<int>(i)), graph->start()); | |
40 } | |
41 } | |
42 | |
43 | |
44 Schedule* StructuredMachineAssembler::Export() { | |
45 // Compute the correct codegen order. | |
46 DCHECK(schedule_->rpo_order()->empty()); | |
47 Scheduler::ComputeSpecialRPO(schedule_); | |
48 // Invalidate MachineAssembler. | |
49 Schedule* schedule = schedule_; | |
50 schedule_ = NULL; | |
51 return schedule; | |
52 } | |
53 | |
54 | |
55 Node* StructuredMachineAssembler::Parameter(size_t index) { | |
56 DCHECK(index < parameter_count()); | |
57 return parameters_[index]; | |
58 } | |
59 | 25 |
60 | 26 |
61 Node* StructuredMachineAssembler::MakeNode(Operator* op, int input_count, | 27 Node* StructuredMachineAssembler::MakeNode(Operator* op, int input_count, |
62 Node** inputs) { | 28 Node** inputs) { |
63 DCHECK(ScheduleValid()); | 29 DCHECK(ScheduleValid()); |
64 DCHECK(current_environment_ != NULL); | 30 DCHECK(current_environment_ != NULL); |
65 Node* node = graph()->NewNode(op, input_count, inputs); | 31 Node* node = graph()->NewNode(op, input_count, inputs); |
66 BasicBlock* block = NULL; | 32 BasicBlock* block = NULL; |
67 switch (op->opcode()) { | 33 switch (op->opcode()) { |
68 case IrOpcode::kParameter: | 34 case IrOpcode::kParameter: |
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655 } | 621 } |
656 pending_header_merges_.clear(); | 622 pending_header_merges_.clear(); |
657 pending_exit_merges_.clear(); | 623 pending_exit_merges_.clear(); |
658 header_environment_ = NULL; | 624 header_environment_ = NULL; |
659 DCHECK(IsDone()); | 625 DCHECK(IsDone()); |
660 } | 626 } |
661 | 627 |
662 } // namespace compiler | 628 } // namespace compiler |
663 } // namespace internal | 629 } // namespace internal |
664 } // namespace v8 | 630 } // namespace v8 |
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