1 //===- LLVMBitCodes.h - Enum values for the LLVM bitcode format -*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // 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.
28 MODULE_BLOCK_ID = FIRST_APPLICATION_BLOCKID,
30 // Module sub-block id's.
40 VALUE_SYMTAB_BLOCK_ID,
42 METADATA_ATTACHMENT_ID,
50 /// MODULE blocks have a number of optional fields and subblocks.
52 MODULE_CODE_VERSION = 1, // VERSION: [version#]
53 MODULE_CODE_TRIPLE = 2, // TRIPLE: [strchr x N]
54 MODULE_CODE_DATALAYOUT = 3, // DATALAYOUT: [strchr x N]
55 MODULE_CODE_ASM = 4, // ASM: [strchr x N]
56 MODULE_CODE_SECTIONNAME = 5, // SECTIONNAME: [strchr x N]
57 MODULE_CODE_DEPLIB = 6, // DEPLIB: [strchr x N]
59 // GLOBALVAR: [pointer type, isconst, initid,
60 // linkage, alignment, section, visibility, threadlocal]
61 MODULE_CODE_GLOBALVAR = 7,
63 // FUNCTION: [type, callingconv, isproto, linkage, paramattrs, alignment,
64 // section, visibility, gc, unnamed_addr]
65 MODULE_CODE_FUNCTION = 8,
67 // ALIAS: [alias type, aliasee val#, linkage, visibility]
68 MODULE_CODE_ALIAS = 9,
70 /// MODULE_CODE_PURGEVALS: [numvals]
71 MODULE_CODE_PURGEVALS = 10,
73 MODULE_CODE_GCNAME = 11 // GCNAME: [strchr x N]
76 /// PARAMATTR blocks have code for defining a parameter attribute set.
78 PARAMATTR_CODE_ENTRY = 1 // ENTRY: [paramidx0, attr0, paramidx1, attr1...]
81 /// TYPE blocks have codes for each type primitive they use.
83 TYPE_CODE_NUMENTRY = 1, // NUMENTRY: [numentries]
86 TYPE_CODE_VOID = 2, // VOID
87 TYPE_CODE_FLOAT = 3, // FLOAT
88 TYPE_CODE_DOUBLE = 4, // DOUBLE
89 TYPE_CODE_LABEL = 5, // LABEL
90 TYPE_CODE_OPAQUE = 6, // OPAQUE
91 TYPE_CODE_INTEGER = 7, // INTEGER: [width]
92 TYPE_CODE_POINTER = 8, // POINTER: [pointee type]
94 TYPE_CODE_FUNCTION_OLD = 9, // FUNCTION: [vararg, attrid, retty,
97 TYPE_CODE_HALF = 10, // HALF
99 TYPE_CODE_ARRAY = 11, // ARRAY: [numelts, eltty]
100 TYPE_CODE_VECTOR = 12, // VECTOR: [numelts, eltty]
102 // These are not with the other floating point types because they're
103 // a late addition, and putting them in the right place breaks
104 // binary compatibility.
105 TYPE_CODE_X86_FP80 = 13, // X86 LONG DOUBLE
106 TYPE_CODE_FP128 = 14, // LONG DOUBLE (112 bit mantissa)
107 TYPE_CODE_PPC_FP128= 15, // PPC LONG DOUBLE (2 doubles)
109 TYPE_CODE_METADATA = 16, // METADATA
111 TYPE_CODE_X86_MMX = 17, // X86 MMX
113 TYPE_CODE_STRUCT_ANON = 18, // STRUCT_ANON: [ispacked, eltty x N]
114 TYPE_CODE_STRUCT_NAME = 19, // STRUCT_NAME: [strchr x N]
115 TYPE_CODE_STRUCT_NAMED = 20,// STRUCT_NAMED: [ispacked, eltty x N]
117 TYPE_CODE_FUNCTION = 21 // FUNCTION: [vararg, retty, paramty x N]
120 // The type symbol table only has one code (TST_ENTRY_CODE).
121 enum TypeSymtabCodes {
122 TST_CODE_ENTRY = 1 // TST_ENTRY: [typeid, namechar x N]
125 // The value symbol table only has one code (VST_ENTRY_CODE).
126 enum ValueSymtabCodes {
127 VST_CODE_ENTRY = 1, // VST_ENTRY: [valid, namechar x N]
128 VST_CODE_BBENTRY = 2 // VST_BBENTRY: [bbid, namechar x N]
132 METADATA_STRING = 1, // MDSTRING: [values]
135 METADATA_NAME = 4, // STRING: [values]
137 METADATA_KIND = 6, // [n x [id, name]]
139 METADATA_NODE = 8, // NODE: [n x (type num, value num)]
140 METADATA_FN_NODE = 9, // FN_NODE: [n x (type num, value num)]
141 METADATA_NAMED_NODE = 10, // NAMED_NODE: [n x mdnodes]
142 METADATA_ATTACHMENT = 11 // [m x [value, [n x [id, mdnode]]]
144 // The constants block (CONSTANTS_BLOCK_ID) describes emission for each
145 // constant and maintains an implicit current type value.
146 enum ConstantsCodes {
147 CST_CODE_SETTYPE = 1, // SETTYPE: [typeid]
148 CST_CODE_NULL = 2, // NULL
149 CST_CODE_UNDEF = 3, // UNDEF
150 CST_CODE_INTEGER = 4, // INTEGER: [intval]
151 CST_CODE_WIDE_INTEGER = 5, // WIDE_INTEGER: [n x intval]
152 CST_CODE_FLOAT = 6, // FLOAT: [fpval]
153 CST_CODE_AGGREGATE = 7, // AGGREGATE: [n x value number]
154 CST_CODE_STRING = 8, // STRING: [values]
155 CST_CODE_CSTRING = 9, // CSTRING: [values]
156 CST_CODE_CE_BINOP = 10, // CE_BINOP: [opcode, opval, opval]
157 CST_CODE_CE_CAST = 11, // CE_CAST: [opcode, opty, opval]
158 CST_CODE_CE_GEP = 12, // CE_GEP: [n x operands]
159 CST_CODE_CE_SELECT = 13, // CE_SELECT: [opval, opval, opval]
160 CST_CODE_CE_EXTRACTELT = 14, // CE_EXTRACTELT: [opty, opval, opval]
161 CST_CODE_CE_INSERTELT = 15, // CE_INSERTELT: [opval, opval, opval]
162 CST_CODE_CE_SHUFFLEVEC = 16, // CE_SHUFFLEVEC: [opval, opval, opval]
163 CST_CODE_CE_CMP = 17, // CE_CMP: [opty, opval, opval, pred]
164 CST_CODE_INLINEASM = 18, // INLINEASM: [sideeffect,asmstr,conststr]
165 CST_CODE_CE_SHUFVEC_EX = 19, // SHUFVEC_EX: [opty, opval, opval, opval]
166 CST_CODE_CE_INBOUNDS_GEP = 20,// INBOUNDS_GEP: [n x operands]
167 CST_CODE_BLOCKADDRESS = 21, // CST_CODE_BLOCKADDRESS [fnty, fnval, bb#]
168 CST_CODE_DATA = 22 // DATA: [n x elements]
171 /// CastOpcodes - These are values used in the bitcode files to encode which
172 /// cast a CST_CODE_CE_CAST or a XXX refers to. The values of these enums
173 /// have no fixed relation to the LLVM IR enum values. Changing these will
174 /// break compatibility with old files.
190 /// BinaryOpcodes - These are values used in the bitcode files to encode which
191 /// binop a CST_CODE_CE_BINOP or a XXX refers to. The values of these enums
192 /// have no fixed relation to the LLVM IR enum values. Changing these will
193 /// break compatibility with old files.
199 BINOP_SDIV = 4, // overloaded for FP
201 BINOP_SREM = 6, // overloaded for FP
210 /// These are values used in the bitcode files to encode AtomicRMW operations.
211 /// The values of these enums have no fixed relation to the LLVM IR enum
212 /// values. Changing these will break compatibility with old files.
227 /// OverflowingBinaryOperatorOptionalFlags - Flags for serializing
228 /// OverflowingBinaryOperator's SubclassOptionalData contents.
229 enum OverflowingBinaryOperatorOptionalFlags {
230 OBO_NO_UNSIGNED_WRAP = 0,
231 OBO_NO_SIGNED_WRAP = 1
234 /// PossiblyExactOperatorOptionalFlags - Flags for serializing
235 /// PossiblyExactOperator's SubclassOptionalData contents.
236 enum PossiblyExactOperatorOptionalFlags {
240 /// Encoded AtomicOrdering values.
241 enum AtomicOrderingCodes {
242 ORDERING_NOTATOMIC = 0,
243 ORDERING_UNORDERED = 1,
244 ORDERING_MONOTONIC = 2,
245 ORDERING_ACQUIRE = 3,
246 ORDERING_RELEASE = 4,
251 /// Encoded SynchronizationScope values.
252 enum AtomicSynchScopeCodes {
253 SYNCHSCOPE_SINGLETHREAD = 0,
254 SYNCHSCOPE_CROSSTHREAD = 1
257 // The function body block (FUNCTION_BLOCK_ID) describes function bodies. It
258 // can contain a constant block (CONSTANTS_BLOCK_ID).
260 FUNC_CODE_DECLAREBLOCKS = 1, // DECLAREBLOCKS: [n]
262 FUNC_CODE_INST_BINOP = 2, // BINOP: [opcode, ty, opval, opval]
263 FUNC_CODE_INST_CAST = 3, // CAST: [opcode, ty, opty, opval]
264 FUNC_CODE_INST_GEP = 4, // GEP: [n x operands]
265 FUNC_CODE_INST_SELECT = 5, // SELECT: [ty, opval, opval, opval]
266 FUNC_CODE_INST_EXTRACTELT = 6, // EXTRACTELT: [opty, opval, opval]
267 FUNC_CODE_INST_INSERTELT = 7, // INSERTELT: [ty, opval, opval, opval]
268 FUNC_CODE_INST_SHUFFLEVEC = 8, // SHUFFLEVEC: [ty, opval, opval, opval]
269 FUNC_CODE_INST_CMP = 9, // CMP: [opty, opval, opval, pred]
271 FUNC_CODE_INST_RET = 10, // RET: [opty,opval<both optional>]
272 FUNC_CODE_INST_BR = 11, // BR: [bb#, bb#, cond] or [bb#]
273 FUNC_CODE_INST_SWITCH = 12, // SWITCH: [opty, op0, op1, ...]
274 FUNC_CODE_INST_INVOKE = 13, // INVOKE: [attr, fnty, op0,op1, ...]
276 FUNC_CODE_INST_UNREACHABLE = 15, // UNREACHABLE
278 FUNC_CODE_INST_PHI = 16, // PHI: [ty, val0,bb0, ...]
281 FUNC_CODE_INST_ALLOCA = 19, // ALLOCA: [instty, op, align]
282 FUNC_CODE_INST_LOAD = 20, // LOAD: [opty, op, align, vol]
285 FUNC_CODE_INST_VAARG = 23, // VAARG: [valistty, valist, instty]
286 // This store code encodes the pointer type, rather than the value type
287 // this is so information only available in the pointer type (e.g. address
288 // spaces) is retained.
289 FUNC_CODE_INST_STORE = 24, // STORE: [ptrty,ptr,val, align, vol]
291 FUNC_CODE_INST_EXTRACTVAL = 26, // EXTRACTVAL: [n x operands]
292 FUNC_CODE_INST_INSERTVAL = 27, // INSERTVAL: [n x operands]
293 // fcmp/icmp returning Int1TY or vector of Int1Ty. Same as CMP, exists to
294 // support legacy vicmp/vfcmp instructions.
295 FUNC_CODE_INST_CMP2 = 28, // CMP2: [opty, opval, opval, pred]
296 // new select on i1 or [N x i1]
297 FUNC_CODE_INST_VSELECT = 29, // VSELECT: [ty,opval,opval,predty,pred]
298 FUNC_CODE_INST_INBOUNDS_GEP= 30, // INBOUNDS_GEP: [n x operands]
299 FUNC_CODE_INST_INDIRECTBR = 31, // INDIRECTBR: [opty, op0, op1, ...]
301 FUNC_CODE_DEBUG_LOC_AGAIN = 33, // DEBUG_LOC_AGAIN
303 FUNC_CODE_INST_CALL = 34, // CALL: [attr, fnty, fnid, args...]
305 FUNC_CODE_DEBUG_LOC = 35, // DEBUG_LOC: [Line,Col,ScopeVal, IAVal]
306 FUNC_CODE_INST_FENCE = 36, // FENCE: [ordering, synchscope]
307 FUNC_CODE_INST_CMPXCHG = 37, // CMPXCHG: [ptrty,ptr,cmp,new, align, vol,
308 // ordering, synchscope]
309 FUNC_CODE_INST_ATOMICRMW = 38, // ATOMICRMW: [ptrty,ptr,val, operation,
311 // ordering, synchscope]
312 FUNC_CODE_INST_RESUME = 39, // RESUME: [opval]
313 FUNC_CODE_INST_LANDINGPAD = 40, // LANDINGPAD: [ty,val,val,num,id0,val0...]
314 FUNC_CODE_INST_LOADATOMIC = 41, // LOAD: [opty, op, align, vol,
315 // ordering, synchscope]
316 FUNC_CODE_INST_STOREATOMIC = 42 // STORE: [ptrty,ptr,val, align, vol
317 // ordering, synchscope]
321 USELIST_CODE_ENTRY = 1 // USELIST_CODE_ENTRY: TBD.
323 } // End bitc namespace
324 } // End llvm namespace