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// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "test/cctest/compiler/graph-builder-tester.h"
#include "src/compiler/pipeline.h"
namespace v8 {
namespace internal {
namespace compiler {
MachineCallHelper::MachineCallHelper(Zone* zone,
MachineCallDescriptorBuilder* builder)
: CallHelper(zone->isolate()),
call_descriptor_builder_(builder),
parameters_(NULL),
graph_(NULL) {}
void MachineCallHelper::InitParameters(GraphBuilder* builder,
CommonOperatorBuilder* common) {
DCHECK_EQ(NULL, parameters_);
graph_ = builder->graph();
if (parameter_count() == 0) return;
parameters_ = graph_->zone()->NewArray<Node*>(parameter_count());
for (int i = 0; i < parameter_count(); ++i) {
parameters_[i] = builder->NewNode(common->Parameter(i), graph_->start());
}
}
byte* MachineCallHelper::Generate() {
DCHECK(parameter_count() == 0 || parameters_ != NULL);
if (!Pipeline::SupportedBackend()) return NULL;
if (code_.is_null()) {
Zone* zone = graph_->zone();
CompilationInfo info(zone->isolate(), zone);
Linkage linkage(&info, call_descriptor_builder_->BuildCallDescriptor(zone));
Pipeline pipeline(&info);
code_ = pipeline.GenerateCodeForMachineGraph(&linkage, graph_);
}
return code_.ToHandleChecked()->entry();
}
void MachineCallHelper::VerifyParameters(int parameter_count,
MachineType* parameter_types) {
CHECK_EQ(this->parameter_count(), parameter_count);
const MachineType* expected_types =
call_descriptor_builder_->parameter_types();
for (int i = 0; i < parameter_count; i++) {
CHECK_EQ(expected_types[i], parameter_types[i]);
}
}
Node* MachineCallHelper::Parameter(int offset) {
DCHECK_NE(NULL, parameters_);
DCHECK(0 <= offset && offset < parameter_count());
return parameters_[offset];
}
} // namespace compiler
} // namespace internal
} // namespace v8
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