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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_COMPILER_OPTIMIZING_GRAPH_VISUALIZER_H_
#define ART_COMPILER_OPTIMIZING_GRAPH_VISUALIZER_H_
#include "utils/allocation.h"
namespace art {
class CodeGenerator;
class DexCompilationUnit;
class HGraph;
/**
* If enabled, emits compilation information suitable for the c1visualizer tool
* and IRHydra.
* Currently only works if the compiler is single threaded.
*/
class HGraphVisualizer : public ValueObject {
public:
/**
* If output is not null, and the method name of the dex compilation
* unit contains `string_filter`, the compilation information will be
* emitted.
*/
HGraphVisualizer(std::ostream* output,
HGraph* graph,
const char* string_filter,
const CodeGenerator& codegen,
const DexCompilationUnit& cu);
/**
* Version of `HGraphVisualizer` for unit testing, that is when a
* `DexCompilationUnit` is not available.
*/
HGraphVisualizer(std::ostream* output,
HGraph* graph,
const CodeGenerator& codegen,
const char* name);
/**
* If this visualizer is enabled, emit the compilation information
* in `output_`.
*/
void DumpGraph(const char* pass_name);
private:
std::ostream* const output_;
HGraph* const graph_;
const CodeGenerator& codegen_;
// Is true when `output_` is not null, and the compiled method's name
// contains the string_filter given in the constructor.
bool is_enabled_;
DISALLOW_COPY_AND_ASSIGN(HGraphVisualizer);
};
} // namespace art
#endif // ART_COMPILER_OPTIMIZING_GRAPH_VISUALIZER_H_
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