Initial Commit

thirdparty/capstone/suite/synctools/tablegen/include/llvm/ProfileData/RawMemProfReader.h

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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_