1 //===- LLVMBitCodes.h - Enum values for the LLVM bitcode format -*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by Chris Lattner and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This header defines Bitcode enum values for LLVM IR bitcode files.
12 // The enum values defined in this file should be considered permanent. If
13 // new features are added, they should have values added at the end of the
16 //===----------------------------------------------------------------------===//
18 #ifndef LLVM_BITCODE_LLVMBITCODES_H
19 #define LLVM_BITCODE_LLVMBITCODES_H
21 #include "llvm/Bitcode/BitCodes.h"
25 // The only top-level block type defined is for a module.
30 // Module sub-block id's
32 MODULEINFO_BLOCK_ID = 2,
33 CONSTANTS_BLOCK_ID = 3,
34 FUNCTION_BLOCK_ID = 4,
35 TYPE_SYMTAB_BLOCK_ID = 5,
36 VALUE_SYMTAB_BLOCK_ID = 6
40 /// MODULE blocks have a number of optional fields and subblocks.
42 MODULE_CODE_VERSION = 1, // VERSION: [version#]
43 MODULE_CODE_TRIPLE = 2, // TRIPLE: [strlen, strchr x N]
44 MODULE_CODE_DATALAYOUT = 3, // DATALAYOUT: [strlen, strchr x N]
45 MODULE_CODE_ASM = 4, // ASM: [strlen, strchr x N]
46 MODULE_CODE_SECTIONNAME = 5, // SECTIONNAME: [strlen, strchr x N]
47 MODULE_CODE_DEPLIB = 6, // DEPLIB: [strlen, strchr x N]
49 // GLOBALVAR: [type, isconst, initid,
50 // linkage, alignment, section, visibility, threadlocal]
51 MODULE_CODE_GLOBALVAR = 7,
53 // FUNCTION: [type, callingconv, isproto, linkage, alignment, section,
55 MODULE_CODE_FUNCTION = 8,
57 // ALIAS: [alias type, aliasee val#, linkage]
61 /// TYPE blocks have codes for each type primitive they use.
63 TYPE_CODE_NUMENTRY = 1, // TYPE_CODE_NUMENTRY: [numentries]
64 TYPE_CODE_META = 2, // TYPE_CODE_META: [metacode]... - Future use
67 TYPE_CODE_VOID = 3, // VOID
68 TYPE_CODE_FLOAT = 4, // FLOAT
69 TYPE_CODE_DOUBLE = 5, // DOUBLE
70 TYPE_CODE_LABEL = 6, // LABEL
71 TYPE_CODE_OPAQUE = 7, // OPAQUE
72 TYPE_CODE_INTEGER = 8, // INTEGER: [width]
73 TYPE_CODE_POINTER = 9, // POINTER: [pointee type]
74 TYPE_CODE_FUNCTION = 10, // FUNCTION: [vararg, retty, #pararms, paramty N]
75 TYPE_CODE_STRUCT = 11, // STRUCT: [ispacked, #elts, eltty x N]
76 TYPE_CODE_ARRAY = 12, // ARRAY: [numelts, eltty]
77 TYPE_CODE_VECTOR = 13 // VECTOR: [numelts, eltty]
78 // Any other type code is assumed to be an unknown type.
82 // The type symbol table only has one code (TST_ENTRY_CODE).
83 enum TypeSymtabCodes {
84 TST_CODE_ENTRY = 1 // TST_ENTRY: [typeid, namelen, namechar x N]
87 // The value symbol table only has one code (VST_ENTRY_CODE).
88 enum ValueSymtabCodes {
89 VST_CODE_ENTRY = 1 // VST_ENTRY: [valid, namelen, namechar x N]
92 // The constants block (CONSTANTS_BLOCK_ID) describes emission for each
93 // constant and maintains an implicit current type value.
94 enum ConstantsSymtabCodes {
95 CST_CODE_SETTYPE = 1, // SETTYPE: [typeid]
96 CST_CODE_NULL = 2, // NULL
97 CST_CODE_UNDEF = 3, // UNDEF
98 CST_CODE_INTEGER = 4, // INTEGER: [intval]
99 CST_CODE_WIDE_INTEGER = 5, // WIDE_INTEGER: [n, n x intval]
100 CST_CODE_FLOAT = 6, // FLOAT: [fpval]
101 CST_CODE_AGGREGATE = 7, // AGGREGATE: [n, n x value number]
102 CST_CODE_CE_BINOP = 8, // CE_BINOP: [opcode, opval, opval]
103 CST_CODE_CE_CAST = 9, // CE_CAST: [opcode, opty, opval]
104 CST_CODE_CE_GEP = 10, // CE_GEP: [n, n x operands]
105 CST_CODE_CE_SELECT = 11, // CE_SELECT: [opval, opval, opval]
106 CST_CODE_CE_EXTRACTELT = 12, // CE_EXTRACTELT: [opty, opval, opval]
107 CST_CODE_CE_INSERTELT = 13, // CE_INSERTELT: [opval, opval, opval]
108 CST_CODE_CE_SHUFFLEVEC = 14, // CE_SHUFFLEVEC: [opval, opval, opval]
109 CST_CODE_CE_CMP = 15 // CE_CMP: [opty, opval, opval, pred]
112 /// CastOpcodes - These are values used in the bitcode files to encode which
113 /// cast a CST_CODE_CE_CAST or a XXX refers to. The values of these enums
114 /// have no fixed relation to the LLVM IR enum values. Changing these will
115 /// break compatibility with old files.
131 /// BinaryOpcodes - These are values used in the bitcode files to encode which
132 /// binop a CST_CODE_CE_BINOP or a XXX refers to. The values of these enums
133 /// have no fixed relation to the LLVM IR enum values. Changing these will
134 /// break compatibility with old files.
140 BINOP_SDIV = 4, // overloaded for FP
142 BINOP_SREM = 6, // overloaded for FP
151 } // End bitc namespace
152 } // End llvm namespace