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