91f4962343
BUG= R=bmeurer@chromium.org Review URL: https://codereview.chromium.org/679793003 Cr-Commit-Position: refs/heads/master@{#24904} git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24904 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
57 lines
1.7 KiB
C++
57 lines
1.7 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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#include "test/cctest/compiler/graph-builder-tester.h"
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#include "src/compiler/linkage.h"
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#include "src/compiler/pipeline.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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MachineCallHelper::MachineCallHelper(Zone* zone, MachineSignature* machine_sig)
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: CallHelper(zone->isolate(), machine_sig),
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parameters_(NULL),
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graph_(NULL) {}
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void MachineCallHelper::InitParameters(GraphBuilder* builder,
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CommonOperatorBuilder* common) {
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DCHECK_EQ(NULL, parameters_);
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graph_ = builder->graph();
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int param_count = static_cast<int>(parameter_count());
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if (param_count == 0) return;
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parameters_ = graph_->zone()->NewArray<Node*>(param_count);
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for (int i = 0; i < param_count; ++i) {
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parameters_[i] = builder->NewNode(common->Parameter(i), graph_->start());
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}
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}
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byte* MachineCallHelper::Generate() {
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DCHECK(parameter_count() == 0 || parameters_ != NULL);
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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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CompilationInfo info(zone->isolate(), zone);
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Linkage linkage(zone,
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Linkage::GetSimplifiedCDescriptor(zone, machine_sig_));
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Pipeline pipeline(&info);
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code_ = pipeline.GenerateCodeForMachineGraph(&linkage, graph_);
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}
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return code_.ToHandleChecked()->entry();
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}
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Node* MachineCallHelper::Parameter(size_t index) {
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DCHECK_NE(NULL, parameters_);
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DCHECK(index < parameter_count());
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return parameters_[index];
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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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