include/llvm/Bitcode/LLVMBitCodes.h

   1 //===- LLVMBitCodes.h - Enum values for the LLVM bitcode format -*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This header defines Bitcode enum values for LLVM IR bitcode files.
  10 //
  11 // The enum values defined in this file should be considered permanent.  If
  12 // new features are added, they should have values added at the end of the
  13 // respective lists.
  14 //
  15 //===----------------------------------------------------------------------===//
  16
  17 #ifndef LLVM_BITCODE_LLVMBITCODES_H
  18 #define LLVM_BITCODE_LLVMBITCODES_H
  19
  20 #include "llvm/Bitstream/BitCodes.h"
  21
  22 namespace llvm {
  23 namespace bitc {
  24 // The only top-level block types are MODULE, IDENTIFICATION, STRTAB and SYMTAB.
  25 enum BlockIDs {
  26   // Blocks
  27   MODULE_BLOCK_ID = FIRST_APPLICATION_BLOCKID,
  28
  29   // Module sub-block id's.
  30   PARAMATTR_BLOCK_ID,
  31   PARAMATTR_GROUP_BLOCK_ID,
  32
  33   CONSTANTS_BLOCK_ID,
  34   FUNCTION_BLOCK_ID,
  35
  36   // Block intended to contains information on the bitcode versioning.
  37   // Can be used to provide better error messages when we fail to parse a
  38   // bitcode file.
  39   IDENTIFICATION_BLOCK_ID,
  40
  41   VALUE_SYMTAB_BLOCK_ID,
  42   METADATA_BLOCK_ID,
  43   METADATA_ATTACHMENT_ID,
  44
  45   TYPE_BLOCK_ID_NEW,
  46
  47   USELIST_BLOCK_ID,
  48
  49   MODULE_STRTAB_BLOCK_ID,
  50   GLOBALVAL_SUMMARY_BLOCK_ID,
  51
  52   OPERAND_BUNDLE_TAGS_BLOCK_ID,
  53
  54   METADATA_KIND_BLOCK_ID,
  55
  56   STRTAB_BLOCK_ID,
  57
  58   FULL_LTO_GLOBALVAL_SUMMARY_BLOCK_ID,
  59
  60   SYMTAB_BLOCK_ID,
  61
  62   SYNC_SCOPE_NAMES_BLOCK_ID,
  63 };
  64
  65 /// Identification block contains a string that describes the producer details,
  66 /// and an epoch that defines the auto-upgrade capability.
  67 enum IdentificationCodes {
  68   IDENTIFICATION_CODE_STRING = 1, // IDENTIFICATION:      [strchr x N]
  69   IDENTIFICATION_CODE_EPOCH = 2,  // EPOCH:               [epoch#]
  70 };
  71
  72 /// The epoch that defines the auto-upgrade compatibility for the bitcode.
  73 ///
  74 /// LLVM guarantees in a major release that a minor release can read bitcode
  75 /// generated by previous minor releases. We translate this by making the reader
  76 /// accepting only bitcode with the same epoch, except for the X.0 release which
  77 /// also accepts N-1.
  78 enum { BITCODE_CURRENT_EPOCH = 0 };
  79
  80 /// MODULE blocks have a number of optional fields and subblocks.
  81 enum ModuleCodes {
  82   MODULE_CODE_VERSION = 1,     // VERSION:     [version#]
  83   MODULE_CODE_TRIPLE = 2,      // TRIPLE:      [strchr x N]
  84   MODULE_CODE_DATALAYOUT = 3,  // DATALAYOUT:  [strchr x N]
  85   MODULE_CODE_ASM = 4,         // ASM:         [strchr x N]
  86   MODULE_CODE_SECTIONNAME = 5, // SECTIONNAME: [strchr x N]
  87
  88   // FIXME: Remove DEPLIB in 4.0.
  89   MODULE_CODE_DEPLIB = 6, // DEPLIB:      [strchr x N]
  90
  91   // GLOBALVAR: [pointer type, isconst, initid,
  92   //             linkage, alignment, section, visibility, threadlocal]
  93   MODULE_CODE_GLOBALVAR = 7,
  94
  95   // FUNCTION:  [type, callingconv, isproto, linkage, paramattrs, alignment,
  96   //             section, visibility, gc, unnamed_addr]
  97   MODULE_CODE_FUNCTION = 8,
  98
  99   // ALIAS: [alias type, aliasee val#, linkage, visibility]
 100   MODULE_CODE_ALIAS_OLD = 9,
 101
 102   MODULE_CODE_GCNAME = 11, // GCNAME: [strchr x N]
 103   MODULE_CODE_COMDAT = 12, // COMDAT: [selection_kind, name]
 104
 105   MODULE_CODE_VSTOFFSET = 13, // VSTOFFSET: [offset]
 106
 107   // ALIAS: [alias value type, addrspace, aliasee val#, linkage, visibility]
 108   MODULE_CODE_ALIAS = 14,
 109
 110   MODULE_CODE_METADATA_VALUES_UNUSED = 15,
 111
 112   // SOURCE_FILENAME: [namechar x N]
 113   MODULE_CODE_SOURCE_FILENAME = 16,
 114
 115   // HASH: [5*i32]
 116   MODULE_CODE_HASH = 17,
 117
 118   // IFUNC: [ifunc value type, addrspace, resolver val#, linkage, visibility]
 119   MODULE_CODE_IFUNC = 18,
 120 };
 121
 122 /// PARAMATTR blocks have code for defining a parameter attribute set.
 123 enum AttributeCodes {
 124   // FIXME: Remove `PARAMATTR_CODE_ENTRY_OLD' in 4.0
 125   PARAMATTR_CODE_ENTRY_OLD = 1, // ENTRY: [paramidx0, attr0,
 126                                 //         paramidx1, attr1...]
 127   PARAMATTR_CODE_ENTRY = 2,     // ENTRY: [attrgrp0, attrgrp1, ...]
 128   PARAMATTR_GRP_CODE_ENTRY = 3  // ENTRY: [grpid, idx, attr0, attr1, ...]
 129 };
 130
 131 /// TYPE blocks have codes for each type primitive they use.
 132 enum TypeCodes {
 133   TYPE_CODE_NUMENTRY = 1, // NUMENTRY: [numentries]
 134
 135   // Type Codes
 136   TYPE_CODE_VOID = 2,    // VOID
 137   TYPE_CODE_FLOAT = 3,   // FLOAT
 138   TYPE_CODE_DOUBLE = 4,  // DOUBLE
 139   TYPE_CODE_LABEL = 5,   // LABEL
 140   TYPE_CODE_OPAQUE = 6,  // OPAQUE
 141   TYPE_CODE_INTEGER = 7, // INTEGER: [width]
 142   TYPE_CODE_POINTER = 8, // POINTER: [pointee type]
 143
 144   TYPE_CODE_FUNCTION_OLD = 9, // FUNCTION: [vararg, attrid, retty,
 145                               //            paramty x N]
 146
 147   TYPE_CODE_HALF = 10, // HALF
 148
 149   TYPE_CODE_ARRAY = 11,  // ARRAY: [numelts, eltty]
 150   TYPE_CODE_VECTOR = 12, // VECTOR: [numelts, eltty]
 151
 152   // These are not with the other floating point types because they're
 153   // a late addition, and putting them in the right place breaks
 154   // binary compatibility.
 155   TYPE_CODE_X86_FP80 = 13,  // X86 LONG DOUBLE
 156   TYPE_CODE_FP128 = 14,     // LONG DOUBLE (112 bit mantissa)
 157   TYPE_CODE_PPC_FP128 = 15, // PPC LONG DOUBLE (2 doubles)
 158
 159   TYPE_CODE_METADATA = 16, // METADATA
 160
 161   TYPE_CODE_X86_MMX = 17, // X86 MMX
 162
 163   TYPE_CODE_STRUCT_ANON = 18,  // STRUCT_ANON: [ispacked, eltty x N]
 164   TYPE_CODE_STRUCT_NAME = 19,  // STRUCT_NAME: [strchr x N]
 165   TYPE_CODE_STRUCT_NAMED = 20, // STRUCT_NAMED: [ispacked, eltty x N]
 166
 167   TYPE_CODE_FUNCTION = 21, // FUNCTION: [vararg, retty, paramty x N]
 168
 169   TYPE_CODE_TOKEN = 22 // TOKEN
 170 };
 171
 172 enum OperandBundleTagCode {
 173   OPERAND_BUNDLE_TAG = 1, // TAG: [strchr x N]
 174 };
 175
 176 enum SyncScopeNameCode {
 177   SYNC_SCOPE_NAME = 1,
 178 };
 179
 180 // Value symbol table codes.
 181 enum ValueSymtabCodes {
 182   VST_CODE_ENTRY = 1,   // VST_ENTRY: [valueid, namechar x N]
 183   VST_CODE_BBENTRY = 2, // VST_BBENTRY: [bbid, namechar x N]
 184   VST_CODE_FNENTRY = 3, // VST_FNENTRY: [valueid, offset, namechar x N]
 185   // VST_COMBINED_ENTRY: [valueid, refguid]
 186   VST_CODE_COMBINED_ENTRY = 5
 187 };
 188
 189 // The module path symbol table only has one code (MST_CODE_ENTRY).
 190 enum ModulePathSymtabCodes {
 191   MST_CODE_ENTRY = 1, // MST_ENTRY: [modid, namechar x N]
 192   MST_CODE_HASH = 2,  // MST_HASH:  [5*i32]
 193 };
 194
 195 // The summary section uses different codes in the per-module
 196 // and combined index cases.
 197 enum GlobalValueSummarySymtabCodes {
 198   // PERMODULE: [valueid, flags, instcount, numrefs, numrefs x valueid,
 199   //             n x (valueid)]
 200   FS_PERMODULE = 1,
 201   // PERMODULE_PROFILE: [valueid, flags, instcount, numrefs,
 202   //                     numrefs x valueid,
 203   //                     n x (valueid, hotness)]
 204   FS_PERMODULE_PROFILE = 2,
 205   // PERMODULE_GLOBALVAR_INIT_REFS: [valueid, flags, n x valueid]
 206   FS_PERMODULE_GLOBALVAR_INIT_REFS = 3,
 207   // COMBINED: [valueid, modid, flags, instcount, numrefs, numrefs x valueid,
 208   //            n x (valueid)]
 209   FS_COMBINED = 4,
 210   // COMBINED_PROFILE: [valueid, modid, flags, instcount, numrefs,
 211   //                    numrefs x valueid,
 212   //                    n x (valueid, hotness)]
 213   FS_COMBINED_PROFILE = 5,
 214   // COMBINED_GLOBALVAR_INIT_REFS: [valueid, modid, flags, n x valueid]
 215   FS_COMBINED_GLOBALVAR_INIT_REFS = 6,
 216   // ALIAS: [valueid, flags, valueid]
 217   FS_ALIAS = 7,
 218   // COMBINED_ALIAS: [valueid, modid, flags, valueid]
 219   FS_COMBINED_ALIAS = 8,
 220   // COMBINED_ORIGINAL_NAME: [original_name_hash]
 221   FS_COMBINED_ORIGINAL_NAME = 9,
 222   // VERSION of the summary, bumped when adding flags for instance.
 223   FS_VERSION = 10,
 224   // The list of llvm.type.test type identifiers used by the following function
 225   // that are used other than by an llvm.assume.
 226   // [n x typeid]
 227   FS_TYPE_TESTS = 11,
 228   // The list of virtual calls made by this function using
 229   // llvm.assume(llvm.type.test) intrinsics that do not have all constant
 230   // integer arguments.
 231   // [n x (typeid, offset)]
 232   FS_TYPE_TEST_ASSUME_VCALLS = 12,
 233   // The list of virtual calls made by this function using
 234   // llvm.type.checked.load intrinsics that do not have all constant integer
 235   // arguments.
 236   // [n x (typeid, offset)]
 237   FS_TYPE_CHECKED_LOAD_VCALLS = 13,
 238   // Identifies a virtual call made by this function using an
 239   // llvm.assume(llvm.type.test) intrinsic with all constant integer arguments.
 240   // [typeid, offset, n x arg]
 241   FS_TYPE_TEST_ASSUME_CONST_VCALL = 14,
 242   // Identifies a virtual call made by this function using an
 243   // llvm.type.checked.load intrinsic with all constant integer arguments.
 244   // [typeid, offset, n x arg]
 245   FS_TYPE_CHECKED_LOAD_CONST_VCALL = 15,
 246   // Assigns a GUID to a value ID. This normally appears only in combined
 247   // summaries, but it can also appear in per-module summaries for PGO data.
 248   // [valueid, guid]
 249   FS_VALUE_GUID = 16,
 250   // The list of local functions with CFI jump tables. Function names are
 251   // strings in strtab.
 252   // [n * name]
 253   FS_CFI_FUNCTION_DEFS = 17,
 254   // The list of external functions with CFI jump tables. Function names are
 255   // strings in strtab.
 256   // [n * name]
 257   FS_CFI_FUNCTION_DECLS = 18,
 258   // Per-module summary that also adds relative block frequency to callee info.
 259   // PERMODULE_RELBF: [valueid, flags, instcount, numrefs,
 260   //                   numrefs x valueid,
 261   //                   n x (valueid, relblockfreq)]
 262   FS_PERMODULE_RELBF = 19,
 263   // Index-wide flags
 264   FS_FLAGS = 20,
 265   // Maps type identifier to summary information for that type identifier.
 266   // Produced by the thin link (only lives in combined index).
 267   // TYPE_ID: [typeid, kind, bitwidth, align, size, bitmask, inlinebits,
 268   //           n x (typeid, kind, name, numrba,
 269   //                numrba x (numarg, numarg x arg, kind, info, byte, bit))]
 270   FS_TYPE_ID = 21,
 271   // For background see overview at https://llvm.org/docs/TypeMetadata.html.
 272   // The type metadata includes both the type identifier and the offset of
 273   // the address point of the type (the address held by objects of that type
 274   // which may not be the beginning of the virtual table). Vtable definitions
 275   // are decorated with type metadata for the types they are compatible with.
 276   //
 277   // Maps type identifier to summary information for that type identifier
 278   // computed from type metadata: the valueid of each vtable definition
 279   // decorated with a type metadata for that identifier, and the offset from
 280   // the corresponding type metadata.
 281   // Exists in the per-module summary to provide information to thin link
 282   // for index-based whole program devirtualization.
 283   // TYPE_ID_METADATA: [typeid, n x (valueid, offset)]
 284   FS_TYPE_ID_METADATA = 22,
 285   // Summarizes vtable definition for use in index-based whole program
 286   // devirtualization during the thin link.
 287   // PERMODULE_VTABLE_GLOBALVAR_INIT_REFS: [valueid, flags, varflags,
 288   //                                        numrefs, numrefs x valueid,
 289   //                                        n x (valueid, offset)]
 290   FS_PERMODULE_VTABLE_GLOBALVAR_INIT_REFS = 23,
 291 };
 292
 293 enum MetadataCodes {
 294   METADATA_STRING_OLD = 1,     // MDSTRING:      [values]
 295   METADATA_VALUE = 2,          // VALUE:         [type num, value num]
 296   METADATA_NODE = 3,           // NODE:          [n x md num]
 297   METADATA_NAME = 4,           // STRING:        [values]
 298   METADATA_DISTINCT_NODE = 5,  // DISTINCT_NODE: [n x md num]
 299   METADATA_KIND = 6,           // [n x [id, name]]
 300   METADATA_LOCATION = 7,       // [distinct, line, col, scope, inlined-at?]
 301   METADATA_OLD_NODE = 8,       // OLD_NODE:      [n x (type num, value num)]
 302   METADATA_OLD_FN_NODE = 9,    // OLD_FN_NODE:   [n x (type num, value num)]
 303   METADATA_NAMED_NODE = 10,    // NAMED_NODE:    [n x mdnodes]
 304   METADATA_ATTACHMENT = 11,    // [m x [value, [n x [id, mdnode]]]
 305   METADATA_GENERIC_DEBUG = 12, // [distinct, tag, vers, header, n x md num]
 306   METADATA_SUBRANGE = 13,      // [distinct, count, lo]
 307   METADATA_ENUMERATOR = 14,    // [isUnsigned|distinct, value, name]
 308   METADATA_BASIC_TYPE = 15,    // [distinct, tag, name, size, align, enc]
 309   METADATA_FILE = 16, // [distinct, filename, directory, checksumkind, checksum]
 310   METADATA_DERIVED_TYPE = 17,       // [distinct, ...]
 311   METADATA_COMPOSITE_TYPE = 18,     // [distinct, ...]
 312   METADATA_SUBROUTINE_TYPE = 19,    // [distinct, flags, types, cc]
 313   METADATA_COMPILE_UNIT = 20,       // [distinct, ...]
 314   METADATA_SUBPROGRAM = 21,         // [distinct, ...]
 315   METADATA_LEXICAL_BLOCK = 22,      // [distinct, scope, file, line, column]
 316   METADATA_LEXICAL_BLOCK_FILE = 23, //[distinct, scope, file, discriminator]
 317   METADATA_NAMESPACE = 24, // [distinct, scope, file, name, line, exportSymbols]
 318   METADATA_TEMPLATE_TYPE = 25,   // [distinct, scope, name, type, ...]
 319   METADATA_TEMPLATE_VALUE = 26,  // [distinct, scope, name, type, value, ...]
 320   METADATA_GLOBAL_VAR = 27,      // [distinct, ...]
 321   METADATA_LOCAL_VAR = 28,       // [distinct, ...]
 322   METADATA_EXPRESSION = 29,      // [distinct, n x element]
 323   METADATA_OBJC_PROPERTY = 30,   // [distinct, name, file, line, ...]
 324   METADATA_IMPORTED_ENTITY = 31, // [distinct, tag, scope, entity, line, name]
 325   METADATA_MODULE = 32,          // [distinct, scope, name, ...]
 326   METADATA_MACRO = 33,           // [distinct, macinfo, line, name, value]
 327   METADATA_MACRO_FILE = 34,      // [distinct, macinfo, line, file, ...]
 328   METADATA_STRINGS = 35,         // [count, offset] blob([lengths][chars])
 329   METADATA_GLOBAL_DECL_ATTACHMENT = 36, // [valueid, n x [id, mdnode]]
 330   METADATA_GLOBAL_VAR_EXPR = 37,        // [distinct, var, expr]
 331   METADATA_INDEX_OFFSET = 38,           // [offset]
 332   METADATA_INDEX = 39,                  // [bitpos]
 333   METADATA_LABEL = 40,                  // [distinct, scope, name, file, line]
 334   METADATA_COMMON_BLOCK = 44,     // [distinct, scope, name, variable,...]
 335 };
 336
 337 // The constants block (CONSTANTS_BLOCK_ID) describes emission for each
 338 // constant and maintains an implicit current type value.
 339 enum ConstantsCodes {
 340   CST_CODE_SETTYPE = 1,          // SETTYPE:       [typeid]
 341   CST_CODE_NULL = 2,             // NULL
 342   CST_CODE_UNDEF = 3,            // UNDEF
 343   CST_CODE_INTEGER = 4,          // INTEGER:       [intval]
 344   CST_CODE_WIDE_INTEGER = 5,     // WIDE_INTEGER:  [n x intval]
 345   CST_CODE_FLOAT = 6,            // FLOAT:         [fpval]
 346   CST_CODE_AGGREGATE = 7,        // AGGREGATE:     [n x value number]
 347   CST_CODE_STRING = 8,           // STRING:        [values]
 348   CST_CODE_CSTRING = 9,          // CSTRING:       [values]
 349   CST_CODE_CE_BINOP = 10,        // CE_BINOP:      [opcode, opval, opval]
 350   CST_CODE_CE_CAST = 11,         // CE_CAST:       [opcode, opty, opval]
 351   CST_CODE_CE_GEP = 12,          // CE_GEP:        [n x operands]
 352   CST_CODE_CE_SELECT = 13,       // CE_SELECT:     [opval, opval, opval]
 353   CST_CODE_CE_EXTRACTELT = 14,   // CE_EXTRACTELT: [opty, opval, opval]
 354   CST_CODE_CE_INSERTELT = 15,    // CE_INSERTELT:  [opval, opval, opval]
 355   CST_CODE_CE_SHUFFLEVEC = 16,   // CE_SHUFFLEVEC: [opval, opval, opval]
 356   CST_CODE_CE_CMP = 17,          // CE_CMP:        [opty, opval, opval, pred]
 357   CST_CODE_INLINEASM_OLD = 18,   // INLINEASM:     [sideeffect|alignstack,
 358                                  //                 asmstr,conststr]
 359   CST_CODE_CE_SHUFVEC_EX = 19,   // SHUFVEC_EX:    [opty, opval, opval, opval]
 360   CST_CODE_CE_INBOUNDS_GEP = 20, // INBOUNDS_GEP:  [n x operands]
 361   CST_CODE_BLOCKADDRESS = 21,    // CST_CODE_BLOCKADDRESS [fnty, fnval, bb#]
 362   CST_CODE_DATA = 22,            // DATA:          [n x elements]
 363   CST_CODE_INLINEASM = 23,       // INLINEASM:     [sideeffect|alignstack|
 364                                  //                 asmdialect,asmstr,conststr]
 365   CST_CODE_CE_GEP_WITH_INRANGE_INDEX = 24, //      [opty, flags, n x operands]
 366   CST_CODE_CE_UNOP = 25,         // CE_UNOP:      [opcode, opval]
 367 };
 368
 369 /// CastOpcodes - These are values used in the bitcode files to encode which
 370 /// cast a CST_CODE_CE_CAST or a XXX refers to.  The values of these enums
 371 /// have no fixed relation to the LLVM IR enum values.  Changing these will
 372 /// break compatibility with old files.
 373 enum CastOpcodes {
 374   CAST_TRUNC = 0,
 375   CAST_ZEXT = 1,
 376   CAST_SEXT = 2,
 377   CAST_FPTOUI = 3,
 378   CAST_FPTOSI = 4,
 379   CAST_UITOFP = 5,
 380   CAST_SITOFP = 6,
 381   CAST_FPTRUNC = 7,
 382   CAST_FPEXT = 8,
 383   CAST_PTRTOINT = 9,
 384   CAST_INTTOPTR = 10,
 385   CAST_BITCAST = 11,
 386   CAST_ADDRSPACECAST = 12
 387 };
 388
 389 /// UnaryOpcodes - These are values used in the bitcode files to encode which
 390 /// unop a CST_CODE_CE_UNOP or a XXX refers to.  The values of these enums
 391 /// have no fixed relation to the LLVM IR enum values.  Changing these will
 392 /// break compatibility with old files.
 393 enum UnaryOpcodes {
 394   UNOP_FNEG = 0
 395 };
 396
 397 /// BinaryOpcodes - These are values used in the bitcode files to encode which
 398 /// binop a CST_CODE_CE_BINOP or a XXX refers to.  The values of these enums
 399 /// have no fixed relation to the LLVM IR enum values.  Changing these will
 400 /// break compatibility with old files.
 401 enum BinaryOpcodes {
 402   BINOP_ADD = 0,
 403   BINOP_SUB = 1,
 404   BINOP_MUL = 2,
 405   BINOP_UDIV = 3,
 406   BINOP_SDIV = 4, // overloaded for FP
 407   BINOP_UREM = 5,
 408   BINOP_SREM = 6, // overloaded for FP
 409   BINOP_SHL = 7,
 410   BINOP_LSHR = 8,
 411   BINOP_ASHR = 9,
 412   BINOP_AND = 10,
 413   BINOP_OR = 11,
 414   BINOP_XOR = 12
 415 };
 416
 417 /// These are values used in the bitcode files to encode AtomicRMW operations.
 418 /// The values of these enums have no fixed relation to the LLVM IR enum
 419 /// values.  Changing these will break compatibility with old files.
 420 enum RMWOperations {
 421   RMW_XCHG = 0,
 422   RMW_ADD = 1,
 423   RMW_SUB = 2,
 424   RMW_AND = 3,
 425   RMW_NAND = 4,
 426   RMW_OR = 5,
 427   RMW_XOR = 6,
 428   RMW_MAX = 7,
 429   RMW_MIN = 8,
 430   RMW_UMAX = 9,
 431   RMW_UMIN = 10,
 432   RMW_FADD = 11,
 433   RMW_FSUB = 12
 434 };
 435
 436 /// OverflowingBinaryOperatorOptionalFlags - Flags for serializing
 437 /// OverflowingBinaryOperator's SubclassOptionalData contents.
 438 enum OverflowingBinaryOperatorOptionalFlags {
 439   OBO_NO_UNSIGNED_WRAP = 0,
 440   OBO_NO_SIGNED_WRAP = 1
 441 };
 442
 443 /// FastMath Flags
 444 /// This is a fixed layout derived from the bitcode emitted by LLVM 5.0
 445 /// intended to decouple the in-memory representation from the serialization.
 446 enum FastMathMap {
 447   UnsafeAlgebra   = (1 << 0), // Legacy
 448   NoNaNs          = (1 << 1),
 449   NoInfs          = (1 << 2),
 450   NoSignedZeros   = (1 << 3),
 451   AllowReciprocal = (1 << 4),
 452   AllowContract   = (1 << 5),
 453   ApproxFunc      = (1 << 6),
 454   AllowReassoc    = (1 << 7)
 455 };
 456
 457 /// PossiblyExactOperatorOptionalFlags - Flags for serializing
 458 /// PossiblyExactOperator's SubclassOptionalData contents.
 459 enum PossiblyExactOperatorOptionalFlags { PEO_EXACT = 0 };
 460
 461 /// Encoded AtomicOrdering values.
 462 enum AtomicOrderingCodes {
 463   ORDERING_NOTATOMIC = 0,
 464   ORDERING_UNORDERED = 1,
 465   ORDERING_MONOTONIC = 2,
 466   ORDERING_ACQUIRE = 3,
 467   ORDERING_RELEASE = 4,
 468   ORDERING_ACQREL = 5,
 469   ORDERING_SEQCST = 6
 470 };
 471
 472 /// Markers and flags for call instruction.
 473 enum CallMarkersFlags {
 474   CALL_TAIL = 0,
 475   CALL_CCONV = 1,
 476   CALL_MUSTTAIL = 14,
 477   CALL_EXPLICIT_TYPE = 15,
 478   CALL_NOTAIL = 16,
 479   CALL_FMF = 17 // Call has optional fast-math-flags.
 480 };
 481
 482 // The function body block (FUNCTION_BLOCK_ID) describes function bodies.  It
 483 // can contain a constant block (CONSTANTS_BLOCK_ID).
 484 enum FunctionCodes {
 485   FUNC_CODE_DECLAREBLOCKS = 1, // DECLAREBLOCKS: [n]
 486
 487   FUNC_CODE_INST_BINOP = 2,      // BINOP:      [opcode, ty, opval, opval]
 488   FUNC_CODE_INST_CAST = 3,       // CAST:       [opcode, ty, opty, opval]
 489   FUNC_CODE_INST_GEP_OLD = 4,    // GEP:        [n x operands]
 490   FUNC_CODE_INST_SELECT = 5,     // SELECT:     [ty, opval, opval, opval]
 491   FUNC_CODE_INST_EXTRACTELT = 6, // EXTRACTELT: [opty, opval, opval]
 492   FUNC_CODE_INST_INSERTELT = 7,  // INSERTELT:  [ty, opval, opval, opval]
 493   FUNC_CODE_INST_SHUFFLEVEC = 8, // SHUFFLEVEC: [ty, opval, opval, opval]
 494   FUNC_CODE_INST_CMP = 9,        // CMP:        [opty, opval, opval, pred]
 495
 496   FUNC_CODE_INST_RET = 10,    // RET:        [opty,opval<both optional>]
 497   FUNC_CODE_INST_BR = 11,     // BR:         [bb#, bb#, cond] or [bb#]
 498   FUNC_CODE_INST_SWITCH = 12, // SWITCH:     [opty, op0, op1, ...]
 499   FUNC_CODE_INST_INVOKE = 13, // INVOKE:     [attr, fnty, op0,op1, ...]
 500   // 14 is unused.
 501   FUNC_CODE_INST_UNREACHABLE = 15, // UNREACHABLE
 502
 503   FUNC_CODE_INST_PHI = 16, // PHI:        [ty, val0,bb0, ...]
 504   // 17 is unused.
 505   // 18 is unused.
 506   FUNC_CODE_INST_ALLOCA = 19, // ALLOCA:     [instty, opty, op, align]
 507   FUNC_CODE_INST_LOAD = 20,   // LOAD:       [opty, op, align, vol]
 508   // 21 is unused.
 509   // 22 is unused.
 510   FUNC_CODE_INST_VAARG = 23, // VAARG:      [valistty, valist, instty]
 511   // This store code encodes the pointer type, rather than the value type
 512   // this is so information only available in the pointer type (e.g. address
 513   // spaces) is retained.
 514   FUNC_CODE_INST_STORE_OLD = 24, // STORE:      [ptrty,ptr,val, align, vol]
 515   // 25 is unused.
 516   FUNC_CODE_INST_EXTRACTVAL = 26, // EXTRACTVAL: [n x operands]
 517   FUNC_CODE_INST_INSERTVAL = 27,  // INSERTVAL:  [n x operands]
 518   // fcmp/icmp returning Int1TY or vector of Int1Ty. Same as CMP, exists to
 519   // support legacy vicmp/vfcmp instructions.
 520   FUNC_CODE_INST_CMP2 = 28, // CMP2:       [opty, opval, opval, pred]
 521   // new select on i1 or [N x i1]
 522   FUNC_CODE_INST_VSELECT = 29, // VSELECT:    [ty,opval,opval,predty,pred]
 523   FUNC_CODE_INST_INBOUNDS_GEP_OLD = 30, // INBOUNDS_GEP: [n x operands]
 524   FUNC_CODE_INST_INDIRECTBR = 31,       // INDIRECTBR: [opty, op0, op1, ...]
 525   // 32 is unused.
 526   FUNC_CODE_DEBUG_LOC_AGAIN = 33, // DEBUG_LOC_AGAIN
 527
 528   FUNC_CODE_INST_CALL = 34, // CALL:    [attr, cc, fnty, fnid, args...]
 529
 530   FUNC_CODE_DEBUG_LOC = 35,        // DEBUG_LOC:  [Line,Col,ScopeVal, IAVal]
 531   FUNC_CODE_INST_FENCE = 36,       // FENCE: [ordering, synchscope]
 532   FUNC_CODE_INST_CMPXCHG_OLD = 37, // CMPXCHG: [ptrty,ptr,cmp,new, align, vol,
 533                                    //           ordering, synchscope]
 534   FUNC_CODE_INST_ATOMICRMW = 38,   // ATOMICRMW: [ptrty,ptr,val, operation,
 535                                    //             align, vol,
 536                                    //             ordering, synchscope]
 537   FUNC_CODE_INST_RESUME = 39,      // RESUME:     [opval]
 538   FUNC_CODE_INST_LANDINGPAD_OLD =
 539       40,                         // LANDINGPAD: [ty,val,val,num,id0,val0...]
 540   FUNC_CODE_INST_LOADATOMIC = 41, // LOAD: [opty, op, align, vol,
 541                                   //        ordering, synchscope]
 542   FUNC_CODE_INST_STOREATOMIC_OLD = 42, // STORE: [ptrty,ptr,val, align, vol
 543                                        //         ordering, synchscope]
 544   FUNC_CODE_INST_GEP = 43,             // GEP:  [inbounds, n x operands]
 545   FUNC_CODE_INST_STORE = 44,       // STORE: [ptrty,ptr,valty,val, align, vol]
 546   FUNC_CODE_INST_STOREATOMIC = 45, // STORE: [ptrty,ptr,val, align, vol
 547   FUNC_CODE_INST_CMPXCHG = 46,     // CMPXCHG: [ptrty,ptr,valty,cmp,new, align,
 548                                    //           vol,ordering,synchscope]
 549   FUNC_CODE_INST_LANDINGPAD = 47,  // LANDINGPAD: [ty,val,num,id0,val0...]
 550   FUNC_CODE_INST_CLEANUPRET = 48,  // CLEANUPRET: [val] or [val,bb#]
 551   FUNC_CODE_INST_CATCHRET = 49,    // CATCHRET: [val,bb#]
 552   FUNC_CODE_INST_CATCHPAD = 50,    // CATCHPAD: [bb#,bb#,num,args...]
 553   FUNC_CODE_INST_CLEANUPPAD = 51,  // CLEANUPPAD: [num,args...]
 554   FUNC_CODE_INST_CATCHSWITCH =
 555       52, // CATCHSWITCH: [num,args...] or [num,args...,bb]
 556   // 53 is unused.
 557   // 54 is unused.
 558   FUNC_CODE_OPERAND_BUNDLE = 55, // OPERAND_BUNDLE: [tag#, value...]
 559   FUNC_CODE_INST_UNOP = 56,      // UNOP:       [opcode, ty, opval]
 560   FUNC_CODE_INST_CALLBR = 57,    // CALLBR:     [attr, cc, norm, transfs,
 561                                  //              fnty, fnid, args...]
 562 };
 563
 564 enum UseListCodes {
 565   USELIST_CODE_DEFAULT = 1, // DEFAULT: [index..., value-id]
 566   USELIST_CODE_BB = 2       // BB: [index..., bb-id]
 567 };
 568
 569 enum AttributeKindCodes {
 570   // = 0 is unused
 571   ATTR_KIND_ALIGNMENT = 1,
 572   ATTR_KIND_ALWAYS_INLINE = 2,
 573   ATTR_KIND_BY_VAL = 3,
 574   ATTR_KIND_INLINE_HINT = 4,
 575   ATTR_KIND_IN_REG = 5,
 576   ATTR_KIND_MIN_SIZE = 6,
 577   ATTR_KIND_NAKED = 7,
 578   ATTR_KIND_NEST = 8,
 579   ATTR_KIND_NO_ALIAS = 9,
 580   ATTR_KIND_NO_BUILTIN = 10,
 581   ATTR_KIND_NO_CAPTURE = 11,
 582   ATTR_KIND_NO_DUPLICATE = 12,
 583   ATTR_KIND_NO_IMPLICIT_FLOAT = 13,
 584   ATTR_KIND_NO_INLINE = 14,
 585   ATTR_KIND_NON_LAZY_BIND = 15,
 586   ATTR_KIND_NO_RED_ZONE = 16,
 587   ATTR_KIND_NO_RETURN = 17,
 588   ATTR_KIND_NO_UNWIND = 18,
 589   ATTR_KIND_OPTIMIZE_FOR_SIZE = 19,
 590   ATTR_KIND_READ_NONE = 20,
 591   ATTR_KIND_READ_ONLY = 21,
 592   ATTR_KIND_RETURNED = 22,
 593   ATTR_KIND_RETURNS_TWICE = 23,
 594   ATTR_KIND_S_EXT = 24,
 595   ATTR_KIND_STACK_ALIGNMENT = 25,
 596   ATTR_KIND_STACK_PROTECT = 26,
 597   ATTR_KIND_STACK_PROTECT_REQ = 27,
 598   ATTR_KIND_STACK_PROTECT_STRONG = 28,
 599   ATTR_KIND_STRUCT_RET = 29,
 600   ATTR_KIND_SANITIZE_ADDRESS = 30,
 601   ATTR_KIND_SANITIZE_THREAD = 31,
 602   ATTR_KIND_SANITIZE_MEMORY = 32,
 603   ATTR_KIND_UW_TABLE = 33,
 604   ATTR_KIND_Z_EXT = 34,
 605   ATTR_KIND_BUILTIN = 35,
 606   ATTR_KIND_COLD = 36,
 607   ATTR_KIND_OPTIMIZE_NONE = 37,
 608   ATTR_KIND_IN_ALLOCA = 38,
 609   ATTR_KIND_NON_NULL = 39,
 610   ATTR_KIND_JUMP_TABLE = 40,
 611   ATTR_KIND_DEREFERENCEABLE = 41,
 612   ATTR_KIND_DEREFERENCEABLE_OR_NULL = 42,
 613   ATTR_KIND_CONVERGENT = 43,
 614   ATTR_KIND_SAFESTACK = 44,
 615   ATTR_KIND_ARGMEMONLY = 45,
 616   ATTR_KIND_SWIFT_SELF = 46,
 617   ATTR_KIND_SWIFT_ERROR = 47,
 618   ATTR_KIND_NO_RECURSE = 48,
 619   ATTR_KIND_INACCESSIBLEMEM_ONLY = 49,
 620   ATTR_KIND_INACCESSIBLEMEM_OR_ARGMEMONLY = 50,
 621   ATTR_KIND_ALLOC_SIZE = 51,
 622   ATTR_KIND_WRITEONLY = 52,
 623   ATTR_KIND_SPECULATABLE = 53,
 624   ATTR_KIND_STRICT_FP = 54,
 625   ATTR_KIND_SANITIZE_HWADDRESS = 55,
 626   ATTR_KIND_NOCF_CHECK = 56,
 627   ATTR_KIND_OPT_FOR_FUZZING = 57,
 628   ATTR_KIND_SHADOWCALLSTACK = 58,
 629   ATTR_KIND_SPECULATIVE_LOAD_HARDENING = 59,
 630   ATTR_KIND_IMMARG = 60,
 631   ATTR_KIND_WILLRETURN = 61,
 632   ATTR_KIND_NOFREE = 62,
 633   ATTR_KIND_NOSYNC = 63,
 634   ATTR_KIND_SANITIZE_MEMTAG = 64,
 635 };
 636
 637 enum ComdatSelectionKindCodes {
 638   COMDAT_SELECTION_KIND_ANY = 1,
 639   COMDAT_SELECTION_KIND_EXACT_MATCH = 2,
 640   COMDAT_SELECTION_KIND_LARGEST = 3,
 641   COMDAT_SELECTION_KIND_NO_DUPLICATES = 4,
 642   COMDAT_SELECTION_KIND_SAME_SIZE = 5,
 643 };
 644
 645 enum StrtabCodes {
 646   STRTAB_BLOB = 1,
 647 };
 648
 649 enum SymtabCodes {
 650   SYMTAB_BLOB = 1,
 651 };
 652
 653 } // End bitc namespace
 654 } // End llvm namespace
 655
 656 #endif