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//===- BitCodes.h - Enum values for the bitcode format ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Chris Lattner and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header Bitcode enum values.
//
// 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_BITCODE_BITCODES_H
#define LLVM_BITCODE_BITCODES_H
namespace llvm {
namespace bitc {
enum StandardWidths {
BlockIDWidth = 8, // We use VBR-8 for block IDs.
CodeLenWidth = 4, // Codelen are VBR-4.
BlockSizeWidth = 32 // BlockSize up to 2^32 32-bit words = 32GB per block.
};
// The standard code namespace always has a way to exit a block, enter a
// nested block, define abbrevs, and define an unabbreviated record.
enum FixedCodes {
END_BLOCK = 0, // Must be zero to guarantee termination for broken bitcode.
ENTER_SUBBLOCK = 1,
// Two codes are reserved for defining abbrevs and for emitting an
// unabbreviated record.
DEFINE_ABBREVS = 2,
UNABBREV_RECORD = 3,
// This is not a code, this is a marker for the first abbrev assignment.
FIRST_ABBREV = 4
};
} // End bitc namespace
} // End llvm namespace
#endif
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