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      1 //===- LLVMBitCodes.h - Enum values for the LLVM bitcode format -*- C++ -*-===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // This header defines Bitcode enum values for LLVM IR bitcode files.
     11 //
     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
     14 // respective lists.
     15 //
     16 //===----------------------------------------------------------------------===//
     17 
     18 #ifndef LLVM_BITCODE_LLVMBITCODES_H
     19 #define LLVM_BITCODE_LLVMBITCODES_H
     20 
     21 #include "llvm/Bitcode/BitCodes.h"
     22 
     23 namespace llvm {
     24 namespace bitc {
     25 // The only top-level block type defined is for a module.
     26 enum BlockIDs {
     27   // Blocks
     28   MODULE_BLOCK_ID = FIRST_APPLICATION_BLOCKID,
     29 
     30   // Module sub-block id's.
     31   PARAMATTR_BLOCK_ID,
     32   PARAMATTR_GROUP_BLOCK_ID,
     33 
     34   CONSTANTS_BLOCK_ID,
     35   FUNCTION_BLOCK_ID,
     36 
     37   // Block intended to contains information on the bitcode versioning.
     38   // Can be used to provide better error messages when we fail to parse a
     39   // bitcode file.
     40   IDENTIFICATION_BLOCK_ID,
     41 
     42   VALUE_SYMTAB_BLOCK_ID,
     43   METADATA_BLOCK_ID,
     44   METADATA_ATTACHMENT_ID,
     45 
     46   TYPE_BLOCK_ID_NEW,
     47 
     48   USELIST_BLOCK_ID,
     49 
     50   MODULE_STRTAB_BLOCK_ID,
     51   GLOBALVAL_SUMMARY_BLOCK_ID,
     52 
     53   OPERAND_BUNDLE_TAGS_BLOCK_ID,
     54 
     55   METADATA_KIND_BLOCK_ID
     56 };
     57 
     58 /// Identification block contains a string that describes the producer details,
     59 /// and an epoch that defines the auto-upgrade capability.
     60 enum IdentificationCodes {
     61   IDENTIFICATION_CODE_STRING = 1, // IDENTIFICATION:      [strchr x N]
     62   IDENTIFICATION_CODE_EPOCH = 2,  // EPOCH:               [epoch#]
     63 };
     64 
     65 /// The epoch that defines the auto-upgrade compatibility for the bitcode.
     66 ///
     67 /// LLVM guarantees in a major release that a minor release can read bitcode
     68 /// generated by previous minor releases. We translate this by making the reader
     69 /// accepting only bitcode with the same epoch, except for the X.0 release which
     70 /// also accepts N-1.
     71 enum { BITCODE_CURRENT_EPOCH = 0 };
     72 
     73 /// MODULE blocks have a number of optional fields and subblocks.
     74 enum ModuleCodes {
     75   MODULE_CODE_VERSION = 1,     // VERSION:     [version#]
     76   MODULE_CODE_TRIPLE = 2,      // TRIPLE:      [strchr x N]
     77   MODULE_CODE_DATALAYOUT = 3,  // DATALAYOUT:  [strchr x N]
     78   MODULE_CODE_ASM = 4,         // ASM:         [strchr x N]
     79   MODULE_CODE_SECTIONNAME = 5, // SECTIONNAME: [strchr x N]
     80 
     81   // FIXME: Remove DEPLIB in 4.0.
     82   MODULE_CODE_DEPLIB = 6, // DEPLIB:      [strchr x N]
     83 
     84   // GLOBALVAR: [pointer type, isconst, initid,
     85   //             linkage, alignment, section, visibility, threadlocal]
     86   MODULE_CODE_GLOBALVAR = 7,
     87 
     88   // FUNCTION:  [type, callingconv, isproto, linkage, paramattrs, alignment,
     89   //             section, visibility, gc, unnamed_addr]
     90   MODULE_CODE_FUNCTION = 8,
     91 
     92   // ALIAS: [alias type, aliasee val#, linkage, visibility]
     93   MODULE_CODE_ALIAS_OLD = 9,
     94 
     95   // MODULE_CODE_PURGEVALS: [numvals]
     96   MODULE_CODE_PURGEVALS = 10,
     97 
     98   MODULE_CODE_GCNAME = 11, // GCNAME: [strchr x N]
     99   MODULE_CODE_COMDAT = 12, // COMDAT: [selection_kind, name]
    100 
    101   MODULE_CODE_VSTOFFSET = 13, // VSTOFFSET: [offset]
    102 
    103   // ALIAS: [alias value type, addrspace, aliasee val#, linkage, visibility]
    104   MODULE_CODE_ALIAS = 14,
    105 
    106   MODULE_CODE_METADATA_VALUES_UNUSED = 15,
    107 
    108   // SOURCE_FILENAME: [namechar x N]
    109   MODULE_CODE_SOURCE_FILENAME = 16,
    110 
    111   // HASH: [5*i32]
    112   MODULE_CODE_HASH = 17,
    113 
    114   // IFUNC: [ifunc value type, addrspace, resolver val#, linkage, visibility]
    115   MODULE_CODE_IFUNC = 18,
    116 };
    117 
    118 /// PARAMATTR blocks have code for defining a parameter attribute set.
    119 enum AttributeCodes {
    120   // FIXME: Remove `PARAMATTR_CODE_ENTRY_OLD' in 4.0
    121   PARAMATTR_CODE_ENTRY_OLD = 1, // ENTRY: [paramidx0, attr0,
    122                                 //         paramidx1, attr1...]
    123   PARAMATTR_CODE_ENTRY = 2,     // ENTRY: [paramidx0, attrgrp0,
    124                                 //         paramidx1, attrgrp1, ...]
    125   PARAMATTR_GRP_CODE_ENTRY = 3  // ENTRY: [id, attr0, att1, ...]
    126 };
    127 
    128 /// TYPE blocks have codes for each type primitive they use.
    129 enum TypeCodes {
    130   TYPE_CODE_NUMENTRY = 1, // NUMENTRY: [numentries]
    131 
    132   // Type Codes
    133   TYPE_CODE_VOID = 2,    // VOID
    134   TYPE_CODE_FLOAT = 3,   // FLOAT
    135   TYPE_CODE_DOUBLE = 4,  // DOUBLE
    136   TYPE_CODE_LABEL = 5,   // LABEL
    137   TYPE_CODE_OPAQUE = 6,  // OPAQUE
    138   TYPE_CODE_INTEGER = 7, // INTEGER: [width]
    139   TYPE_CODE_POINTER = 8, // POINTER: [pointee type]
    140 
    141   TYPE_CODE_FUNCTION_OLD = 9, // FUNCTION: [vararg, attrid, retty,
    142                               //            paramty x N]
    143 
    144   TYPE_CODE_HALF = 10, // HALF
    145 
    146   TYPE_CODE_ARRAY = 11,  // ARRAY: [numelts, eltty]
    147   TYPE_CODE_VECTOR = 12, // VECTOR: [numelts, eltty]
    148 
    149   // These are not with the other floating point types because they're
    150   // a late addition, and putting them in the right place breaks
    151   // binary compatibility.
    152   TYPE_CODE_X86_FP80 = 13,  // X86 LONG DOUBLE
    153   TYPE_CODE_FP128 = 14,     // LONG DOUBLE (112 bit mantissa)
    154   TYPE_CODE_PPC_FP128 = 15, // PPC LONG DOUBLE (2 doubles)
    155 
    156   TYPE_CODE_METADATA = 16, // METADATA
    157 
    158   TYPE_CODE_X86_MMX = 17, // X86 MMX
    159 
    160   TYPE_CODE_STRUCT_ANON = 18,  // STRUCT_ANON: [ispacked, eltty x N]
    161   TYPE_CODE_STRUCT_NAME = 19,  // STRUCT_NAME: [strchr x N]
    162   TYPE_CODE_STRUCT_NAMED = 20, // STRUCT_NAMED: [ispacked, eltty x N]
    163 
    164   TYPE_CODE_FUNCTION = 21, // FUNCTION: [vararg, retty, paramty x N]
    165 
    166   TYPE_CODE_TOKEN = 22 // TOKEN
    167 };
    168 
    169 enum OperandBundleTagCode {
    170   OPERAND_BUNDLE_TAG = 1, // TAG: [strchr x N]
    171 };
    172 
    173 // The type symbol table only has one code (TST_ENTRY_CODE).
    174 enum TypeSymtabCodes {
    175   TST_CODE_ENTRY = 1 // TST_ENTRY: [typeid, namechar x N]
    176 };
    177 
    178 // Value symbol table codes.
    179 enum ValueSymtabCodes {
    180   VST_CODE_ENTRY = 1,   // VST_ENTRY: [valueid, namechar x N]
    181   VST_CODE_BBENTRY = 2, // VST_BBENTRY: [bbid, namechar x N]
    182   VST_CODE_FNENTRY = 3, // VST_FNENTRY: [valueid, offset, namechar x N]
    183   // VST_COMBINED_ENTRY: [valueid, refguid]
    184   VST_CODE_COMBINED_ENTRY = 5
    185 };
    186 
    187 // The module path symbol table only has one code (MST_CODE_ENTRY).
    188 enum ModulePathSymtabCodes {
    189   MST_CODE_ENTRY = 1, // MST_ENTRY: [modid, namechar x N]
    190   MST_CODE_HASH = 2,  // MST_HASH:  [5*i32]
    191 };
    192 
    193 // The summary section uses different codes in the per-module
    194 // and combined index cases.
    195 enum GlobalValueSummarySymtabCodes {
    196   // PERMODULE: [valueid, flags, instcount, numrefs, numrefs x valueid,
    197   //             n x (valueid, callsitecount)]
    198   FS_PERMODULE = 1,
    199   // PERMODULE_PROFILE: [valueid, flags, instcount, numrefs,
    200   //                     numrefs x valueid,
    201   //                     n x (valueid, callsitecount, profilecount)]
    202   FS_PERMODULE_PROFILE = 2,
    203   // PERMODULE_GLOBALVAR_INIT_REFS: [valueid, flags, n x valueid]
    204   FS_PERMODULE_GLOBALVAR_INIT_REFS = 3,
    205   // COMBINED: [valueid, modid, flags, instcount, numrefs, numrefs x valueid,
    206   //            n x (valueid, callsitecount)]
    207   FS_COMBINED = 4,
    208   // COMBINED_PROFILE: [valueid, modid, flags, instcount, numrefs,
    209   //                    numrefs x valueid,
    210   //                    n x (valueid, callsitecount, profilecount)]
    211   FS_COMBINED_PROFILE = 5,
    212   // COMBINED_GLOBALVAR_INIT_REFS: [valueid, modid, flags, n x valueid]
    213   FS_COMBINED_GLOBALVAR_INIT_REFS = 6,
    214   // ALIAS: [valueid, flags, valueid]
    215   FS_ALIAS = 7,
    216   // COMBINED_ALIAS: [valueid, modid, flags, valueid]
    217   FS_COMBINED_ALIAS = 8,
    218   // COMBINED_ORIGINAL_NAME: [original_name_hash]
    219   FS_COMBINED_ORIGINAL_NAME = 9,
    220   // VERSION of the summary, bumped when adding flags for instance.
    221   FS_VERSION = 10,
    222 };
    223 
    224 enum MetadataCodes {
    225   METADATA_STRING_OLD = 1,       // MDSTRING:      [values]
    226   METADATA_VALUE = 2,            // VALUE:         [type num, value num]
    227   METADATA_NODE = 3,             // NODE:          [n x md num]
    228   METADATA_NAME = 4,             // STRING:        [values]
    229   METADATA_DISTINCT_NODE = 5,    // DISTINCT_NODE: [n x md num]
    230   METADATA_KIND = 6,             // [n x [id, name]]
    231   METADATA_LOCATION = 7,         // [distinct, line, col, scope, inlined-at?]
    232   METADATA_OLD_NODE = 8,         // OLD_NODE:      [n x (type num, value num)]
    233   METADATA_OLD_FN_NODE = 9,      // OLD_FN_NODE:   [n x (type num, value num)]
    234   METADATA_NAMED_NODE = 10,      // NAMED_NODE:    [n x mdnodes]
    235   METADATA_ATTACHMENT = 11,      // [m x [value, [n x [id, mdnode]]]
    236   METADATA_GENERIC_DEBUG = 12,   // [distinct, tag, vers, header, n x md num]
    237   METADATA_SUBRANGE = 13,        // [distinct, count, lo]
    238   METADATA_ENUMERATOR = 14,      // [distinct, value, name]
    239   METADATA_BASIC_TYPE = 15,      // [distinct, tag, name, size, align, enc]
    240   METADATA_FILE = 16,            // [distinct, filename, directory]
    241   METADATA_DERIVED_TYPE = 17,    // [distinct, ...]
    242   METADATA_COMPOSITE_TYPE = 18,  // [distinct, ...]
    243   METADATA_SUBROUTINE_TYPE = 19, // [distinct, flags, types, cc]
    244   METADATA_COMPILE_UNIT = 20,    // [distinct, ...]
    245   METADATA_SUBPROGRAM = 21,      // [distinct, ...]
    246   METADATA_LEXICAL_BLOCK = 22,   // [distinct, scope, file, line, column]
    247   METADATA_LEXICAL_BLOCK_FILE = 23, //[distinct, scope, file, discriminator]
    248   METADATA_NAMESPACE = 24,          // [distinct, scope, file, name, line]
    249   METADATA_TEMPLATE_TYPE = 25,      // [distinct, scope, name, type, ...]
    250   METADATA_TEMPLATE_VALUE = 26,     // [distinct, scope, name, type, value, ...]
    251   METADATA_GLOBAL_VAR = 27,         // [distinct, ...]
    252   METADATA_LOCAL_VAR = 28,          // [distinct, ...]
    253   METADATA_EXPRESSION = 29,         // [distinct, n x element]
    254   METADATA_OBJC_PROPERTY = 30,      // [distinct, name, file, line, ...]
    255   METADATA_IMPORTED_ENTITY = 31, // [distinct, tag, scope, entity, line, name]
    256   METADATA_MODULE = 32,          // [distinct, scope, name, ...]
    257   METADATA_MACRO = 33,           // [distinct, macinfo, line, name, value]
    258   METADATA_MACRO_FILE = 34,      // [distinct, macinfo, line, file, ...]
    259   METADATA_STRINGS = 35,         // [count, offset] blob([lengths][chars])
    260   METADATA_GLOBAL_DECL_ATTACHMENT = 36, // [valueid, n x [id, mdnode]]
    261 };
    262 
    263 // The constants block (CONSTANTS_BLOCK_ID) describes emission for each
    264 // constant and maintains an implicit current type value.
    265 enum ConstantsCodes {
    266   CST_CODE_SETTYPE = 1,          // SETTYPE:       [typeid]
    267   CST_CODE_NULL = 2,             // NULL
    268   CST_CODE_UNDEF = 3,            // UNDEF
    269   CST_CODE_INTEGER = 4,          // INTEGER:       [intval]
    270   CST_CODE_WIDE_INTEGER = 5,     // WIDE_INTEGER:  [n x intval]
    271   CST_CODE_FLOAT = 6,            // FLOAT:         [fpval]
    272   CST_CODE_AGGREGATE = 7,        // AGGREGATE:     [n x value number]
    273   CST_CODE_STRING = 8,           // STRING:        [values]
    274   CST_CODE_CSTRING = 9,          // CSTRING:       [values]
    275   CST_CODE_CE_BINOP = 10,        // CE_BINOP:      [opcode, opval, opval]
    276   CST_CODE_CE_CAST = 11,         // CE_CAST:       [opcode, opty, opval]
    277   CST_CODE_CE_GEP = 12,          // CE_GEP:        [n x operands]
    278   CST_CODE_CE_SELECT = 13,       // CE_SELECT:     [opval, opval, opval]
    279   CST_CODE_CE_EXTRACTELT = 14,   // CE_EXTRACTELT: [opty, opval, opval]
    280   CST_CODE_CE_INSERTELT = 15,    // CE_INSERTELT:  [opval, opval, opval]
    281   CST_CODE_CE_SHUFFLEVEC = 16,   // CE_SHUFFLEVEC: [opval, opval, opval]
    282   CST_CODE_CE_CMP = 17,          // CE_CMP:        [opty, opval, opval, pred]
    283   CST_CODE_INLINEASM_OLD = 18,   // INLINEASM:     [sideeffect|alignstack,
    284                                  //                 asmstr,conststr]
    285   CST_CODE_CE_SHUFVEC_EX = 19,   // SHUFVEC_EX:    [opty, opval, opval, opval]
    286   CST_CODE_CE_INBOUNDS_GEP = 20, // INBOUNDS_GEP:  [n x operands]
    287   CST_CODE_BLOCKADDRESS = 21,    // CST_CODE_BLOCKADDRESS [fnty, fnval, bb#]
    288   CST_CODE_DATA = 22,            // DATA:          [n x elements]
    289   CST_CODE_INLINEASM = 23        // INLINEASM:     [sideeffect|alignstack|
    290                                  //                 asmdialect,asmstr,conststr]
    291 };
    292 
    293 /// CastOpcodes - These are values used in the bitcode files to encode which
    294 /// cast a CST_CODE_CE_CAST or a XXX refers to.  The values of these enums
    295 /// have no fixed relation to the LLVM IR enum values.  Changing these will
    296 /// break compatibility with old files.
    297 enum CastOpcodes {
    298   CAST_TRUNC = 0,
    299   CAST_ZEXT = 1,
    300   CAST_SEXT = 2,
    301   CAST_FPTOUI = 3,
    302   CAST_FPTOSI = 4,
    303   CAST_UITOFP = 5,
    304   CAST_SITOFP = 6,
    305   CAST_FPTRUNC = 7,
    306   CAST_FPEXT = 8,
    307   CAST_PTRTOINT = 9,
    308   CAST_INTTOPTR = 10,
    309   CAST_BITCAST = 11,
    310   CAST_ADDRSPACECAST = 12
    311 };
    312 
    313 /// BinaryOpcodes - These are values used in the bitcode files to encode which
    314 /// binop a CST_CODE_CE_BINOP or a XXX refers to.  The values of these enums
    315 /// have no fixed relation to the LLVM IR enum values.  Changing these will
    316 /// break compatibility with old files.
    317 enum BinaryOpcodes {
    318   BINOP_ADD = 0,
    319   BINOP_SUB = 1,
    320   BINOP_MUL = 2,
    321   BINOP_UDIV = 3,
    322   BINOP_SDIV = 4, // overloaded for FP
    323   BINOP_UREM = 5,
    324   BINOP_SREM = 6, // overloaded for FP
    325   BINOP_SHL = 7,
    326   BINOP_LSHR = 8,
    327   BINOP_ASHR = 9,
    328   BINOP_AND = 10,
    329   BINOP_OR = 11,
    330   BINOP_XOR = 12
    331 };
    332 
    333 /// These are values used in the bitcode files to encode AtomicRMW operations.
    334 /// The values of these enums have no fixed relation to the LLVM IR enum
    335 /// values.  Changing these will break compatibility with old files.
    336 enum RMWOperations {
    337   RMW_XCHG = 0,
    338   RMW_ADD = 1,
    339   RMW_SUB = 2,
    340   RMW_AND = 3,
    341   RMW_NAND = 4,
    342   RMW_OR = 5,
    343   RMW_XOR = 6,
    344   RMW_MAX = 7,
    345   RMW_MIN = 8,
    346   RMW_UMAX = 9,
    347   RMW_UMIN = 10
    348 };
    349 
    350 /// OverflowingBinaryOperatorOptionalFlags - Flags for serializing
    351 /// OverflowingBinaryOperator's SubclassOptionalData contents.
    352 enum OverflowingBinaryOperatorOptionalFlags {
    353   OBO_NO_UNSIGNED_WRAP = 0,
    354   OBO_NO_SIGNED_WRAP = 1
    355 };
    356 
    357 /// PossiblyExactOperatorOptionalFlags - Flags for serializing
    358 /// PossiblyExactOperator's SubclassOptionalData contents.
    359 enum PossiblyExactOperatorOptionalFlags { PEO_EXACT = 0 };
    360 
    361 /// Encoded AtomicOrdering values.
    362 enum AtomicOrderingCodes {
    363   ORDERING_NOTATOMIC = 0,
    364   ORDERING_UNORDERED = 1,
    365   ORDERING_MONOTONIC = 2,
    366   ORDERING_ACQUIRE = 3,
    367   ORDERING_RELEASE = 4,
    368   ORDERING_ACQREL = 5,
    369   ORDERING_SEQCST = 6
    370 };
    371 
    372 /// Encoded SynchronizationScope values.
    373 enum AtomicSynchScopeCodes {
    374   SYNCHSCOPE_SINGLETHREAD = 0,
    375   SYNCHSCOPE_CROSSTHREAD = 1
    376 };
    377 
    378 /// Markers and flags for call instruction.
    379 enum CallMarkersFlags {
    380   CALL_TAIL = 0,
    381   CALL_CCONV = 1,
    382   CALL_MUSTTAIL = 14,
    383   CALL_EXPLICIT_TYPE = 15,
    384   CALL_NOTAIL = 16,
    385   CALL_FMF = 17 // Call has optional fast-math-flags.
    386 };
    387 
    388 // The function body block (FUNCTION_BLOCK_ID) describes function bodies.  It
    389 // can contain a constant block (CONSTANTS_BLOCK_ID).
    390 enum FunctionCodes {
    391   FUNC_CODE_DECLAREBLOCKS = 1, // DECLAREBLOCKS: [n]
    392 
    393   FUNC_CODE_INST_BINOP = 2,      // BINOP:      [opcode, ty, opval, opval]
    394   FUNC_CODE_INST_CAST = 3,       // CAST:       [opcode, ty, opty, opval]
    395   FUNC_CODE_INST_GEP_OLD = 4,    // GEP:        [n x operands]
    396   FUNC_CODE_INST_SELECT = 5,     // SELECT:     [ty, opval, opval, opval]
    397   FUNC_CODE_INST_EXTRACTELT = 6, // EXTRACTELT: [opty, opval, opval]
    398   FUNC_CODE_INST_INSERTELT = 7,  // INSERTELT:  [ty, opval, opval, opval]
    399   FUNC_CODE_INST_SHUFFLEVEC = 8, // SHUFFLEVEC: [ty, opval, opval, opval]
    400   FUNC_CODE_INST_CMP = 9,        // CMP:        [opty, opval, opval, pred]
    401 
    402   FUNC_CODE_INST_RET = 10,    // RET:        [opty,opval<both optional>]
    403   FUNC_CODE_INST_BR = 11,     // BR:         [bb#, bb#, cond] or [bb#]
    404   FUNC_CODE_INST_SWITCH = 12, // SWITCH:     [opty, op0, op1, ...]
    405   FUNC_CODE_INST_INVOKE = 13, // INVOKE:     [attr, fnty, op0,op1, ...]
    406   // 14 is unused.
    407   FUNC_CODE_INST_UNREACHABLE = 15, // UNREACHABLE
    408 
    409   FUNC_CODE_INST_PHI = 16, // PHI:        [ty, val0,bb0, ...]
    410   // 17 is unused.
    411   // 18 is unused.
    412   FUNC_CODE_INST_ALLOCA = 19, // ALLOCA:     [instty, opty, op, align]
    413   FUNC_CODE_INST_LOAD = 20,   // LOAD:       [opty, op, align, vol]
    414   // 21 is unused.
    415   // 22 is unused.
    416   FUNC_CODE_INST_VAARG = 23, // VAARG:      [valistty, valist, instty]
    417   // This store code encodes the pointer type, rather than the value type
    418   // this is so information only available in the pointer type (e.g. address
    419   // spaces) is retained.
    420   FUNC_CODE_INST_STORE_OLD = 24, // STORE:      [ptrty,ptr,val, align, vol]
    421   // 25 is unused.
    422   FUNC_CODE_INST_EXTRACTVAL = 26, // EXTRACTVAL: [n x operands]
    423   FUNC_CODE_INST_INSERTVAL = 27,  // INSERTVAL:  [n x operands]
    424   // fcmp/icmp returning Int1TY or vector of Int1Ty. Same as CMP, exists to
    425   // support legacy vicmp/vfcmp instructions.
    426   FUNC_CODE_INST_CMP2 = 28, // CMP2:       [opty, opval, opval, pred]
    427   // new select on i1 or [N x i1]
    428   FUNC_CODE_INST_VSELECT = 29, // VSELECT:    [ty,opval,opval,predty,pred]
    429   FUNC_CODE_INST_INBOUNDS_GEP_OLD = 30, // INBOUNDS_GEP: [n x operands]
    430   FUNC_CODE_INST_INDIRECTBR = 31,       // INDIRECTBR: [opty, op0, op1, ...]
    431   // 32 is unused.
    432   FUNC_CODE_DEBUG_LOC_AGAIN = 33, // DEBUG_LOC_AGAIN
    433 
    434   FUNC_CODE_INST_CALL = 34, // CALL:    [attr, cc, fnty, fnid, args...]
    435 
    436   FUNC_CODE_DEBUG_LOC = 35,        // DEBUG_LOC:  [Line,Col,ScopeVal, IAVal]
    437   FUNC_CODE_INST_FENCE = 36,       // FENCE: [ordering, synchscope]
    438   FUNC_CODE_INST_CMPXCHG_OLD = 37, // CMPXCHG: [ptrty,ptr,cmp,new, align, vol,
    439                                    //           ordering, synchscope]
    440   FUNC_CODE_INST_ATOMICRMW = 38,   // ATOMICRMW: [ptrty,ptr,val, operation,
    441                                    //             align, vol,
    442                                    //             ordering, synchscope]
    443   FUNC_CODE_INST_RESUME = 39,      // RESUME:     [opval]
    444   FUNC_CODE_INST_LANDINGPAD_OLD =
    445       40,                         // LANDINGPAD: [ty,val,val,num,id0,val0...]
    446   FUNC_CODE_INST_LOADATOMIC = 41, // LOAD: [opty, op, align, vol,
    447                                   //        ordering, synchscope]
    448   FUNC_CODE_INST_STOREATOMIC_OLD = 42, // STORE: [ptrty,ptr,val, align, vol
    449                                        //         ordering, synchscope]
    450   FUNC_CODE_INST_GEP = 43,             // GEP:  [inbounds, n x operands]
    451   FUNC_CODE_INST_STORE = 44,       // STORE: [ptrty,ptr,valty,val, align, vol]
    452   FUNC_CODE_INST_STOREATOMIC = 45, // STORE: [ptrty,ptr,val, align, vol
    453   FUNC_CODE_INST_CMPXCHG = 46,     // CMPXCHG: [ptrty,ptr,valty,cmp,new, align,
    454                                    //           vol,ordering,synchscope]
    455   FUNC_CODE_INST_LANDINGPAD = 47,  // LANDINGPAD: [ty,val,num,id0,val0...]
    456   FUNC_CODE_INST_CLEANUPRET = 48,  // CLEANUPRET: [val] or [val,bb#]
    457   FUNC_CODE_INST_CATCHRET = 49,    // CATCHRET: [val,bb#]
    458   FUNC_CODE_INST_CATCHPAD = 50,    // CATCHPAD: [bb#,bb#,num,args...]
    459   FUNC_CODE_INST_CLEANUPPAD = 51,  // CLEANUPPAD: [num,args...]
    460   FUNC_CODE_INST_CATCHSWITCH =
    461       52, // CATCHSWITCH: [num,args...] or [num,args...,bb]
    462   // 53 is unused.
    463   // 54 is unused.
    464   FUNC_CODE_OPERAND_BUNDLE = 55, // OPERAND_BUNDLE: [tag#, value...]
    465 };
    466 
    467 enum UseListCodes {
    468   USELIST_CODE_DEFAULT = 1, // DEFAULT: [index..., value-id]
    469   USELIST_CODE_BB = 2       // BB: [index..., bb-id]
    470 };
    471 
    472 enum AttributeKindCodes {
    473   // = 0 is unused
    474   ATTR_KIND_ALIGNMENT = 1,
    475   ATTR_KIND_ALWAYS_INLINE = 2,
    476   ATTR_KIND_BY_VAL = 3,
    477   ATTR_KIND_INLINE_HINT = 4,
    478   ATTR_KIND_IN_REG = 5,
    479   ATTR_KIND_MIN_SIZE = 6,
    480   ATTR_KIND_NAKED = 7,
    481   ATTR_KIND_NEST = 8,
    482   ATTR_KIND_NO_ALIAS = 9,
    483   ATTR_KIND_NO_BUILTIN = 10,
    484   ATTR_KIND_NO_CAPTURE = 11,
    485   ATTR_KIND_NO_DUPLICATE = 12,
    486   ATTR_KIND_NO_IMPLICIT_FLOAT = 13,
    487   ATTR_KIND_NO_INLINE = 14,
    488   ATTR_KIND_NON_LAZY_BIND = 15,
    489   ATTR_KIND_NO_RED_ZONE = 16,
    490   ATTR_KIND_NO_RETURN = 17,
    491   ATTR_KIND_NO_UNWIND = 18,
    492   ATTR_KIND_OPTIMIZE_FOR_SIZE = 19,
    493   ATTR_KIND_READ_NONE = 20,
    494   ATTR_KIND_READ_ONLY = 21,
    495   ATTR_KIND_RETURNED = 22,
    496   ATTR_KIND_RETURNS_TWICE = 23,
    497   ATTR_KIND_S_EXT = 24,
    498   ATTR_KIND_STACK_ALIGNMENT = 25,
    499   ATTR_KIND_STACK_PROTECT = 26,
    500   ATTR_KIND_STACK_PROTECT_REQ = 27,
    501   ATTR_KIND_STACK_PROTECT_STRONG = 28,
    502   ATTR_KIND_STRUCT_RET = 29,
    503   ATTR_KIND_SANITIZE_ADDRESS = 30,
    504   ATTR_KIND_SANITIZE_THREAD = 31,
    505   ATTR_KIND_SANITIZE_MEMORY = 32,
    506   ATTR_KIND_UW_TABLE = 33,
    507   ATTR_KIND_Z_EXT = 34,
    508   ATTR_KIND_BUILTIN = 35,
    509   ATTR_KIND_COLD = 36,
    510   ATTR_KIND_OPTIMIZE_NONE = 37,
    511   ATTR_KIND_IN_ALLOCA = 38,
    512   ATTR_KIND_NON_NULL = 39,
    513   ATTR_KIND_JUMP_TABLE = 40,
    514   ATTR_KIND_DEREFERENCEABLE = 41,
    515   ATTR_KIND_DEREFERENCEABLE_OR_NULL = 42,
    516   ATTR_KIND_CONVERGENT = 43,
    517   ATTR_KIND_SAFESTACK = 44,
    518   ATTR_KIND_ARGMEMONLY = 45,
    519   ATTR_KIND_SWIFT_SELF = 46,
    520   ATTR_KIND_SWIFT_ERROR = 47,
    521   ATTR_KIND_NO_RECURSE = 48,
    522   ATTR_KIND_INACCESSIBLEMEM_ONLY = 49,
    523   ATTR_KIND_INACCESSIBLEMEM_OR_ARGMEMONLY = 50,
    524   ATTR_KIND_ALLOC_SIZE = 51,
    525   ATTR_KIND_WRITEONLY = 52
    526 };
    527 
    528 enum ComdatSelectionKindCodes {
    529   COMDAT_SELECTION_KIND_ANY = 1,
    530   COMDAT_SELECTION_KIND_EXACT_MATCH = 2,
    531   COMDAT_SELECTION_KIND_LARGEST = 3,
    532   COMDAT_SELECTION_KIND_NO_DUPLICATES = 4,
    533   COMDAT_SELECTION_KIND_SAME_SIZE = 5,
    534 };
    535 
    536 } // End bitc namespace
    537 } // End llvm namespace
    538 
    539 #endif
    540