llvm/llvm/include/llvm/Bitstream/BitCodeEnums.h

//===- BitCodeEnums.h - Core enums for the bitstream format -----*- 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 header defines "core" bitstream enum values.
// It has been separated from the other header that defines bitstream enum
// values, BitCodes.h, to allow tools to track changes to the various
// bitstream and bitcode enums without needing to fully or partially build
// LLVM itself.
//
// The enum values defined in this file should be considered permanent.  If
// new features are added, they should have values added at the end of the
// respective lists.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_BITSTREAM_BITCODEENUMS_H
#define LLVM_BITSTREAM_BITCODEENUMS_H

namespace llvm {
/// Offsets of the 32-bit fields of bitstream wrapper header.
enum BitstreamWrapperHeader : unsigned { … };

namespace bitc {
enum StandardWidths { … };

// The standard abbrev namespace always has a way to exit a block, enter a
// nested block, define abbrevs, and define an unabbreviated record.
enum FixedAbbrevIDs { … };

/// StandardBlockIDs - All bitcode files can optionally include a BLOCKINFO
/// block, which contains metadata about other blocks in the file.
enum StandardBlockIDs { … };

/// BlockInfoCodes - The blockinfo block contains metadata about user-defined
/// blocks.
enum BlockInfoCodes { … };

} // namespace bitc
} // namespace llvm

#endif