1a23f031e8
R=bmeurer@chromium.org,mstarzinger@chromium.org BUG= Review URL: https://codereview.chromium.org/1150083006 Cr-Commit-Position: refs/heads/master@{#28733}
127 lines
4.1 KiB
C++
127 lines
4.1 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_CCTEST_COMPILER_GRAPH_BUILDER_TESTER_H_
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#define V8_CCTEST_COMPILER_GRAPH_BUILDER_TESTER_H_
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#include "src/v8.h"
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#include "test/cctest/cctest.h"
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#include "src/compiler/common-operator.h"
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#include "src/compiler/graph-builder.h"
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#include "src/compiler/linkage.h"
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#include "src/compiler/machine-operator.h"
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#include "src/compiler/pipeline.h"
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#include "src/compiler/simplified-operator.h"
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#include "test/cctest/compiler/call-tester.h"
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#include "test/cctest/compiler/simplified-graph-builder.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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class GraphAndBuilders {
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public:
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explicit GraphAndBuilders(Zone* zone)
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: main_graph_(new (zone) Graph(zone)),
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main_common_(zone),
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main_machine_(zone),
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main_simplified_(zone) {}
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protected:
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// Prefixed with main_ to avoid naming conflicts.
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Graph* main_graph_;
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CommonOperatorBuilder main_common_;
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MachineOperatorBuilder main_machine_;
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SimplifiedOperatorBuilder main_simplified_;
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};
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template <typename ReturnType>
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class GraphBuilderTester : public HandleAndZoneScope,
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private GraphAndBuilders,
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public CallHelper<ReturnType>,
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public SimplifiedGraphBuilder {
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public:
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explicit GraphBuilderTester(MachineType p0 = kMachNone,
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MachineType p1 = kMachNone,
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MachineType p2 = kMachNone,
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MachineType p3 = kMachNone,
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MachineType p4 = kMachNone)
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: GraphAndBuilders(main_zone()),
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CallHelper<ReturnType>(
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main_isolate(),
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MakeMachineSignature(main_zone(), MachineTypeForC<ReturnType>(), p0,
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p1, p2, p3, p4)),
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SimplifiedGraphBuilder(main_isolate(), main_graph_, &main_common_,
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&main_machine_, &main_simplified_),
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parameters_(main_zone()->template NewArray<Node*>(parameter_count())) {
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Begin(static_cast<int>(parameter_count()));
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InitParameters();
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}
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virtual ~GraphBuilderTester() {}
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void GenerateCode() { Generate(); }
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Node* Parameter(size_t index) {
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DCHECK(index < parameter_count());
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return parameters_[index];
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}
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Factory* factory() const { return isolate()->factory(); }
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protected:
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virtual byte* Generate() {
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if (!Pipeline::SupportedBackend()) return NULL;
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if (code_.is_null()) {
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Zone* zone = graph()->zone();
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CallDescriptor* desc =
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Linkage::GetSimplifiedCDescriptor(zone, this->machine_sig_);
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code_ = Pipeline::GenerateCodeForTesting(main_isolate(), desc, graph());
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}
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return code_.ToHandleChecked()->entry();
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}
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void InitParameters() {
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int param_count = static_cast<int>(parameter_count());
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for (int i = 0; i < param_count; ++i) {
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parameters_[i] = this->NewNode(common()->Parameter(i), graph()->start());
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}
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}
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size_t parameter_count() const {
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return this->machine_sig_->parameter_count();
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}
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private:
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Node** parameters_;
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MaybeHandle<Code> code_;
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// TODO(titzer): factor me elsewhere.
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static MachineSignature* MakeMachineSignature(
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Zone* zone, MachineType return_type, MachineType p0 = kMachNone,
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MachineType p1 = kMachNone, MachineType p2 = kMachNone,
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MachineType p3 = kMachNone, MachineType p4 = kMachNone) {
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// Count the number of parameters.
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size_t param_count = 5;
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MachineType types[] = {p0, p1, p2, p3, p4};
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while (param_count > 0 && types[param_count - 1] == kMachNone)
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param_count--;
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size_t return_count = return_type == kMachNone ? 0 : 1;
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// Build the machine signature.
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MachineSignature::Builder builder(zone, return_count, param_count);
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if (return_count > 0) builder.AddReturn(return_type);
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for (size_t i = 0; i < param_count; i++) {
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builder.AddParam(types[i]);
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}
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return builder.Build();
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}
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};
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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#endif // V8_CCTEST_COMPILER_GRAPH_BUILDER_TESTER_H_
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