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
3 // found in the LICENSE file.
4
5 #include "test/cctest/compiler/graph-builder-tester.h"
6
7 #include "src/compiler/linkage.h"
8 #include "src/compiler/pipeline.h"
9
10 namespace v8 {
11 namespace internal {
12 namespace compiler {
13
MachineCallHelper(Zone * zone,MachineSignature * machine_sig)14 MachineCallHelper::MachineCallHelper(Zone* zone, MachineSignature* machine_sig)
15 : CallHelper(zone->isolate(), machine_sig),
16 parameters_(NULL),
17 graph_(NULL) {}
18
19
InitParameters(GraphBuilder * builder,CommonOperatorBuilder * common)20 void MachineCallHelper::InitParameters(GraphBuilder* builder,
21 CommonOperatorBuilder* common) {
22 DCHECK_EQ(NULL, parameters_);
23 graph_ = builder->graph();
24 int param_count = static_cast<int>(parameter_count());
25 if (param_count == 0) return;
26 parameters_ = graph_->zone()->NewArray<Node*>(param_count);
27 for (int i = 0; i < param_count; ++i) {
28 parameters_[i] = builder->NewNode(common->Parameter(i), graph_->start());
29 }
30 }
31
32
Generate()33 byte* MachineCallHelper::Generate() {
34 DCHECK(parameter_count() == 0 || parameters_ != NULL);
35 if (!Pipeline::SupportedBackend()) return NULL;
36 if (code_.is_null()) {
37 Zone* zone = graph_->zone();
38 CompilationInfo info(zone->isolate(), zone);
39 Linkage linkage(&info,
40 Linkage::GetSimplifiedCDescriptor(zone, machine_sig_));
41 Pipeline pipeline(&info);
42 code_ = pipeline.GenerateCodeForMachineGraph(&linkage, graph_);
43 }
44 return code_.ToHandleChecked()->entry();
45 }
46
47
Parameter(size_t index)48 Node* MachineCallHelper::Parameter(size_t index) {
49 DCHECK_NE(NULL, parameters_);
50 DCHECK(index < parameter_count());
51 return parameters_[index];
52 }
53
54 } // namespace compiler
55 } // namespace internal
56 } // namespace v8
57