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llvm-mirror/include/llvm/Remarks/RemarkFormat.h
Francis Visoiu Mistrih 5e640f3b2f [Remarks] Add support for linking remarks
Remarks are usually emitted per-TU, and for generating a standalone
remark file that can be shipped with the linked binary we need some kind
of tool to merge everything together.

The remarks::RemarkLinker class takes care of this and:

* Deduplicates remarks
* Filters remarks with no debug location
* Merges string tables from all the entries

As an output, it provides an iterator range that can be used to
serialize the remarks to a file.

Differential Revision: https://reviews.llvm.org/D69141
2019-10-31 15:26:55 -07:00

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//===-- llvm/Remarks/RemarkFormat.h - The format of remarks -----*- 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 defines utilities to deal with the format of remarks.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_REMARKS_REMARK_FORMAT_H
#define LLVM_REMARKS_REMARK_FORMAT_H
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Error.h"
namespace llvm {
namespace remarks {
constexpr StringLiteral Magic("REMARKS");
/// The format used for serializing/deserializing remarks.
enum class Format { Unknown, YAML, YAMLStrTab, Bitstream };
/// Parse and validate a string for the remark format.
Expected<Format> parseFormat(StringRef FormatStr);
/// Parse and validate a magic number to a remark format.
Expected<Format> magicToFormat(StringRef Magic);
} // end namespace remarks
} // end namespace llvm
#endif /* LLVM_REMARKS_REMARK_FORMAT_H */