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#ifndef LLVM_PROFILEDATA_RAWMEMPROFREADER_H_
#define LLVM_PROFILEDATA_RAWMEMPROFREADER_H_
//===- MemProfReader.h - Instrumented memory profiling reader ---*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains support for reading MemProf profiling data.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Error.h"
#include "llvm/Support/MemoryBuffer.h"
namespace llvm {
namespace memprof {
class RawMemProfReader {
public:
RawMemProfReader(std::unique_ptr<MemoryBuffer> DataBuffer)
: DataBuffer(std::move(DataBuffer)) {}
// Prints aggregate counts for each raw profile parsed from the DataBuffer.
void printSummaries(raw_ostream &OS) const;
// Return true if the \p DataBuffer starts with magic bytes indicating it is
// a raw binary memprof profile.
static bool hasFormat(const MemoryBuffer &DataBuffer);
// Create a RawMemProfReader after sanity checking the contents of the file at
// \p Path.
static Expected<std::unique_ptr<RawMemProfReader>> create(const Twine &Path);
private:
std::unique_ptr<MemoryBuffer> DataBuffer;
};
} // namespace memprof
} // namespace llvm
#endif // LLVM_PROFILEDATA_RAWMEMPROFREADER_H_
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