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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   // Per-module summary that also adds relative block frequency to callee info.
260   // PERMODULE_RELBF: [valueid, flags, instcount, numrefs,
261   //                   numrefs x valueid,
262   //                   n x (valueid, relblockfreq)]
263   FS_PERMODULE_RELBF = 19,
264   // Index-wide flags
265   FS_FLAGS = 20,
266   // Maps type identifier to summary information for that type identifier.
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 };
272 
273 enum MetadataCodes {
274   METADATA_STRING_OLD = 1,     // MDSTRING:      [values]
275   METADATA_VALUE = 2,          // VALUE:         [type num, value num]
276   METADATA_NODE = 3,           // NODE:          [n x md num]
277   METADATA_NAME = 4,           // STRING:        [values]
278   METADATA_DISTINCT_NODE = 5,  // DISTINCT_NODE: [n x md num]
279   METADATA_KIND = 6,           // [n x [id, name]]
280   METADATA_LOCATION = 7,       // [distinct, line, col, scope, inlined-at?]
281   METADATA_OLD_NODE = 8,       // OLD_NODE:      [n x (type num, value num)]
282   METADATA_OLD_FN_NODE = 9,    // OLD_FN_NODE:   [n x (type num, value num)]
283   METADATA_NAMED_NODE = 10,    // NAMED_NODE:    [n x mdnodes]
284   METADATA_ATTACHMENT = 11,    // [m x [value, [n x [id, mdnode]]]
285   METADATA_GENERIC_DEBUG = 12, // [distinct, tag, vers, header, n x md num]
286   METADATA_SUBRANGE = 13,      // [distinct, count, lo]
287   METADATA_ENUMERATOR = 14,    // [isUnsigned|distinct, value, name]
288   METADATA_BASIC_TYPE = 15,    // [distinct, tag, name, size, align, enc]
289   METADATA_FILE = 16, // [distinct, filename, directory, checksumkind, checksum]
290   METADATA_DERIVED_TYPE = 17,       // [distinct, ...]
291   METADATA_COMPOSITE_TYPE = 18,     // [distinct, ...]
292   METADATA_SUBROUTINE_TYPE = 19,    // [distinct, flags, types, cc]
293   METADATA_COMPILE_UNIT = 20,       // [distinct, ...]
294   METADATA_SUBPROGRAM = 21,         // [distinct, ...]
295   METADATA_LEXICAL_BLOCK = 22,      // [distinct, scope, file, line, column]
296   METADATA_LEXICAL_BLOCK_FILE = 23, //[distinct, scope, file, discriminator]
297   METADATA_NAMESPACE = 24, // [distinct, scope, file, name, line, exportSymbols]
298   METADATA_TEMPLATE_TYPE = 25,   // [distinct, scope, name, type, ...]
299   METADATA_TEMPLATE_VALUE = 26,  // [distinct, scope, name, type, value, ...]
300   METADATA_GLOBAL_VAR = 27,      // [distinct, ...]
301   METADATA_LOCAL_VAR = 28,       // [distinct, ...]
302   METADATA_EXPRESSION = 29,      // [distinct, n x element]
303   METADATA_OBJC_PROPERTY = 30,   // [distinct, name, file, line, ...]
304   METADATA_IMPORTED_ENTITY = 31, // [distinct, tag, scope, entity, line, name]
305   METADATA_MODULE = 32,          // [distinct, scope, name, ...]
306   METADATA_MACRO = 33,           // [distinct, macinfo, line, name, value]
307   METADATA_MACRO_FILE = 34,      // [distinct, macinfo, line, file, ...]
308   METADATA_STRINGS = 35,         // [count, offset] blob([lengths][chars])
309   METADATA_GLOBAL_DECL_ATTACHMENT = 36, // [valueid, n x [id, mdnode]]
310   METADATA_GLOBAL_VAR_EXPR = 37,        // [distinct, var, expr]
311   METADATA_INDEX_OFFSET = 38,           // [offset]
312   METADATA_INDEX = 39,                  // [bitpos]
313   METADATA_LABEL = 40,                  // [distinct, scope, name, file, line]
314 };
315 
316 // The constants block (CONSTANTS_BLOCK_ID) describes emission for each
317 // constant and maintains an implicit current type value.
318 enum ConstantsCodes {
319   CST_CODE_SETTYPE = 1,          // SETTYPE:       [typeid]
320   CST_CODE_NULL = 2,             // NULL
321   CST_CODE_UNDEF = 3,            // UNDEF
322   CST_CODE_INTEGER = 4,          // INTEGER:       [intval]
323   CST_CODE_WIDE_INTEGER = 5,     // WIDE_INTEGER:  [n x intval]
324   CST_CODE_FLOAT = 6,            // FLOAT:         [fpval]
325   CST_CODE_AGGREGATE = 7,        // AGGREGATE:     [n x value number]
326   CST_CODE_STRING = 8,           // STRING:        [values]
327   CST_CODE_CSTRING = 9,          // CSTRING:       [values]
328   CST_CODE_CE_BINOP = 10,        // CE_BINOP:      [opcode, opval, opval]
329   CST_CODE_CE_CAST = 11,         // CE_CAST:       [opcode, opty, opval]
330   CST_CODE_CE_GEP = 12,          // CE_GEP:        [n x operands]
331   CST_CODE_CE_SELECT = 13,       // CE_SELECT:     [opval, opval, opval]
332   CST_CODE_CE_EXTRACTELT = 14,   // CE_EXTRACTELT: [opty, opval, opval]
333   CST_CODE_CE_INSERTELT = 15,    // CE_INSERTELT:  [opval, opval, opval]
334   CST_CODE_CE_SHUFFLEVEC = 16,   // CE_SHUFFLEVEC: [opval, opval, opval]
335   CST_CODE_CE_CMP = 17,          // CE_CMP:        [opty, opval, opval, pred]
336   CST_CODE_INLINEASM_OLD = 18,   // INLINEASM:     [sideeffect|alignstack,
337                                  //                 asmstr,conststr]
338   CST_CODE_CE_SHUFVEC_EX = 19,   // SHUFVEC_EX:    [opty, opval, opval, opval]
339   CST_CODE_CE_INBOUNDS_GEP = 20, // INBOUNDS_GEP:  [n x operands]
340   CST_CODE_BLOCKADDRESS = 21,    // CST_CODE_BLOCKADDRESS [fnty, fnval, bb#]
341   CST_CODE_DATA = 22,            // DATA:          [n x elements]
342   CST_CODE_INLINEASM = 23,       // INLINEASM:     [sideeffect|alignstack|
343                                  //                 asmdialect,asmstr,conststr]
344   CST_CODE_CE_GEP_WITH_INRANGE_INDEX = 24, //      [opty, flags, n x operands]
345 };
346 
347 /// CastOpcodes - These are values used in the bitcode files to encode which
348 /// cast a CST_CODE_CE_CAST or a XXX refers to.  The values of these enums
349 /// have no fixed relation to the LLVM IR enum values.  Changing these will
350 /// break compatibility with old files.
351 enum CastOpcodes {
352   CAST_TRUNC = 0,
353   CAST_ZEXT = 1,
354   CAST_SEXT = 2,
355   CAST_FPTOUI = 3,
356   CAST_FPTOSI = 4,
357   CAST_UITOFP = 5,
358   CAST_SITOFP = 6,
359   CAST_FPTRUNC = 7,
360   CAST_FPEXT = 8,
361   CAST_PTRTOINT = 9,
362   CAST_INTTOPTR = 10,
363   CAST_BITCAST = 11,
364   CAST_ADDRSPACECAST = 12
365 };
366 
367 /// BinaryOpcodes - These are values used in the bitcode files to encode which
368 /// binop a CST_CODE_CE_BINOP or a XXX refers to.  The values of these enums
369 /// have no fixed relation to the LLVM IR enum values.  Changing these will
370 /// break compatibility with old files.
371 enum BinaryOpcodes {
372   BINOP_ADD = 0,
373   BINOP_SUB = 1,
374   BINOP_MUL = 2,
375   BINOP_UDIV = 3,
376   BINOP_SDIV = 4, // overloaded for FP
377   BINOP_UREM = 5,
378   BINOP_SREM = 6, // overloaded for FP
379   BINOP_SHL = 7,
380   BINOP_LSHR = 8,
381   BINOP_ASHR = 9,
382   BINOP_AND = 10,
383   BINOP_OR = 11,
384   BINOP_XOR = 12
385 };
386 
387 /// These are values used in the bitcode files to encode AtomicRMW operations.
388 /// The values of these enums have no fixed relation to the LLVM IR enum
389 /// values.  Changing these will break compatibility with old files.
390 enum RMWOperations {
391   RMW_XCHG = 0,
392   RMW_ADD = 1,
393   RMW_SUB = 2,
394   RMW_AND = 3,
395   RMW_NAND = 4,
396   RMW_OR = 5,
397   RMW_XOR = 6,
398   RMW_MAX = 7,
399   RMW_MIN = 8,
400   RMW_UMAX = 9,
401   RMW_UMIN = 10
402 };
403 
404 /// OverflowingBinaryOperatorOptionalFlags - Flags for serializing
405 /// OverflowingBinaryOperator's SubclassOptionalData contents.
406 enum OverflowingBinaryOperatorOptionalFlags {
407   OBO_NO_UNSIGNED_WRAP = 0,
408   OBO_NO_SIGNED_WRAP = 1
409 };
410 
411 /// FastMath Flags
412 /// This is a fixed layout derived from the bitcode emitted by LLVM 5.0
413 /// intended to decouple the in-memory representation from the serialization.
414 enum FastMathMap {
415   UnsafeAlgebra   = (1 << 0), // Legacy
416   NoNaNs          = (1 << 1),
417   NoInfs          = (1 << 2),
418   NoSignedZeros   = (1 << 3),
419   AllowReciprocal = (1 << 4),
420   AllowContract   = (1 << 5),
421   ApproxFunc      = (1 << 6),
422   AllowReassoc    = (1 << 7)
423 };
424 
425 /// PossiblyExactOperatorOptionalFlags - Flags for serializing
426 /// PossiblyExactOperator's SubclassOptionalData contents.
427 enum PossiblyExactOperatorOptionalFlags { PEO_EXACT = 0 };
428 
429 /// Encoded AtomicOrdering values.
430 enum AtomicOrderingCodes {
431   ORDERING_NOTATOMIC = 0,
432   ORDERING_UNORDERED = 1,
433   ORDERING_MONOTONIC = 2,
434   ORDERING_ACQUIRE = 3,
435   ORDERING_RELEASE = 4,
436   ORDERING_ACQREL = 5,
437   ORDERING_SEQCST = 6
438 };
439 
440 /// Markers and flags for call instruction.
441 enum CallMarkersFlags {
442   CALL_TAIL = 0,
443   CALL_CCONV = 1,
444   CALL_MUSTTAIL = 14,
445   CALL_EXPLICIT_TYPE = 15,
446   CALL_NOTAIL = 16,
447   CALL_FMF = 17 // Call has optional fast-math-flags.
448 };
449 
450 // The function body block (FUNCTION_BLOCK_ID) describes function bodies.  It
451 // can contain a constant block (CONSTANTS_BLOCK_ID).
452 enum FunctionCodes {
453   FUNC_CODE_DECLAREBLOCKS = 1, // DECLAREBLOCKS: [n]
454 
455   FUNC_CODE_INST_BINOP = 2,      // BINOP:      [opcode, ty, opval, opval]
456   FUNC_CODE_INST_CAST = 3,       // CAST:       [opcode, ty, opty, opval]
457   FUNC_CODE_INST_GEP_OLD = 4,    // GEP:        [n x operands]
458   FUNC_CODE_INST_SELECT = 5,     // SELECT:     [ty, opval, opval, opval]
459   FUNC_CODE_INST_EXTRACTELT = 6, // EXTRACTELT: [opty, opval, opval]
460   FUNC_CODE_INST_INSERTELT = 7,  // INSERTELT:  [ty, opval, opval, opval]
461   FUNC_CODE_INST_SHUFFLEVEC = 8, // SHUFFLEVEC: [ty, opval, opval, opval]
462   FUNC_CODE_INST_CMP = 9,        // CMP:        [opty, opval, opval, pred]
463 
464   FUNC_CODE_INST_RET = 10,    // RET:        [opty,opval<both optional>]
465   FUNC_CODE_INST_BR = 11,     // BR:         [bb#, bb#, cond] or [bb#]
466   FUNC_CODE_INST_SWITCH = 12, // SWITCH:     [opty, op0, op1, ...]
467   FUNC_CODE_INST_INVOKE = 13, // INVOKE:     [attr, fnty, op0,op1, ...]
468   // 14 is unused.
469   FUNC_CODE_INST_UNREACHABLE = 15, // UNREACHABLE
470 
471   FUNC_CODE_INST_PHI = 16, // PHI:        [ty, val0,bb0, ...]
472   // 17 is unused.
473   // 18 is unused.
474   FUNC_CODE_INST_ALLOCA = 19, // ALLOCA:     [instty, opty, op, align]
475   FUNC_CODE_INST_LOAD = 20,   // LOAD:       [opty, op, align, vol]
476   // 21 is unused.
477   // 22 is unused.
478   FUNC_CODE_INST_VAARG = 23, // VAARG:      [valistty, valist, instty]
479   // This store code encodes the pointer type, rather than the value type
480   // this is so information only available in the pointer type (e.g. address
481   // spaces) is retained.
482   FUNC_CODE_INST_STORE_OLD = 24, // STORE:      [ptrty,ptr,val, align, vol]
483   // 25 is unused.
484   FUNC_CODE_INST_EXTRACTVAL = 26, // EXTRACTVAL: [n x operands]
485   FUNC_CODE_INST_INSERTVAL = 27,  // INSERTVAL:  [n x operands]
486   // fcmp/icmp returning Int1TY or vector of Int1Ty. Same as CMP, exists to
487   // support legacy vicmp/vfcmp instructions.
488   FUNC_CODE_INST_CMP2 = 28, // CMP2:       [opty, opval, opval, pred]
489   // new select on i1 or [N x i1]
490   FUNC_CODE_INST_VSELECT = 29, // VSELECT:    [ty,opval,opval,predty,pred]
491   FUNC_CODE_INST_INBOUNDS_GEP_OLD = 30, // INBOUNDS_GEP: [n x operands]
492   FUNC_CODE_INST_INDIRECTBR = 31,       // INDIRECTBR: [opty, op0, op1, ...]
493   // 32 is unused.
494   FUNC_CODE_DEBUG_LOC_AGAIN = 33, // DEBUG_LOC_AGAIN
495 
496   FUNC_CODE_INST_CALL = 34, // CALL:    [attr, cc, fnty, fnid, args...]
497 
498   FUNC_CODE_DEBUG_LOC = 35,        // DEBUG_LOC:  [Line,Col,ScopeVal, IAVal]
499   FUNC_CODE_INST_FENCE = 36,       // FENCE: [ordering, synchscope]
500   FUNC_CODE_INST_CMPXCHG_OLD = 37, // CMPXCHG: [ptrty,ptr,cmp,new, align, vol,
501                                    //           ordering, synchscope]
502   FUNC_CODE_INST_ATOMICRMW = 38,   // ATOMICRMW: [ptrty,ptr,val, operation,
503                                    //             align, vol,
504                                    //             ordering, synchscope]
505   FUNC_CODE_INST_RESUME = 39,      // RESUME:     [opval]
506   FUNC_CODE_INST_LANDINGPAD_OLD =
507       40,                         // LANDINGPAD: [ty,val,val,num,id0,val0...]
508   FUNC_CODE_INST_LOADATOMIC = 41, // LOAD: [opty, op, align, vol,
509                                   //        ordering, synchscope]
510   FUNC_CODE_INST_STOREATOMIC_OLD = 42, // STORE: [ptrty,ptr,val, align, vol
511                                        //         ordering, synchscope]
512   FUNC_CODE_INST_GEP = 43,             // GEP:  [inbounds, n x operands]
513   FUNC_CODE_INST_STORE = 44,       // STORE: [ptrty,ptr,valty,val, align, vol]
514   FUNC_CODE_INST_STOREATOMIC = 45, // STORE: [ptrty,ptr,val, align, vol
515   FUNC_CODE_INST_CMPXCHG = 46,     // CMPXCHG: [ptrty,ptr,valty,cmp,new, align,
516                                    //           vol,ordering,synchscope]
517   FUNC_CODE_INST_LANDINGPAD = 47,  // LANDINGPAD: [ty,val,num,id0,val0...]
518   FUNC_CODE_INST_CLEANUPRET = 48,  // CLEANUPRET: [val] or [val,bb#]
519   FUNC_CODE_INST_CATCHRET = 49,    // CATCHRET: [val,bb#]
520   FUNC_CODE_INST_CATCHPAD = 50,    // CATCHPAD: [bb#,bb#,num,args...]
521   FUNC_CODE_INST_CLEANUPPAD = 51,  // CLEANUPPAD: [num,args...]
522   FUNC_CODE_INST_CATCHSWITCH =
523       52, // CATCHSWITCH: [num,args...] or [num,args...,bb]
524   // 53 is unused.
525   // 54 is unused.
526   FUNC_CODE_OPERAND_BUNDLE = 55, // OPERAND_BUNDLE: [tag#, value...]
527 };
528 
529 enum UseListCodes {
530   USELIST_CODE_DEFAULT = 1, // DEFAULT: [index..., value-id]
531   USELIST_CODE_BB = 2       // BB: [index..., bb-id]
532 };
533 
534 enum AttributeKindCodes {
535   // = 0 is unused
536   ATTR_KIND_ALIGNMENT = 1,
537   ATTR_KIND_ALWAYS_INLINE = 2,
538   ATTR_KIND_BY_VAL = 3,
539   ATTR_KIND_INLINE_HINT = 4,
540   ATTR_KIND_IN_REG = 5,
541   ATTR_KIND_MIN_SIZE = 6,
542   ATTR_KIND_NAKED = 7,
543   ATTR_KIND_NEST = 8,
544   ATTR_KIND_NO_ALIAS = 9,
545   ATTR_KIND_NO_BUILTIN = 10,
546   ATTR_KIND_NO_CAPTURE = 11,
547   ATTR_KIND_NO_DUPLICATE = 12,
548   ATTR_KIND_NO_IMPLICIT_FLOAT = 13,
549   ATTR_KIND_NO_INLINE = 14,
550   ATTR_KIND_NON_LAZY_BIND = 15,
551   ATTR_KIND_NO_RED_ZONE = 16,
552   ATTR_KIND_NO_RETURN = 17,
553   ATTR_KIND_NO_UNWIND = 18,
554   ATTR_KIND_OPTIMIZE_FOR_SIZE = 19,
555   ATTR_KIND_READ_NONE = 20,
556   ATTR_KIND_READ_ONLY = 21,
557   ATTR_KIND_RETURNED = 22,
558   ATTR_KIND_RETURNS_TWICE = 23,
559   ATTR_KIND_S_EXT = 24,
560   ATTR_KIND_STACK_ALIGNMENT = 25,
561   ATTR_KIND_STACK_PROTECT = 26,
562   ATTR_KIND_STACK_PROTECT_REQ = 27,
563   ATTR_KIND_STACK_PROTECT_STRONG = 28,
564   ATTR_KIND_STRUCT_RET = 29,
565   ATTR_KIND_SANITIZE_ADDRESS = 30,
566   ATTR_KIND_SANITIZE_THREAD = 31,
567   ATTR_KIND_SANITIZE_MEMORY = 32,
568   ATTR_KIND_UW_TABLE = 33,
569   ATTR_KIND_Z_EXT = 34,
570   ATTR_KIND_BUILTIN = 35,
571   ATTR_KIND_COLD = 36,
572   ATTR_KIND_OPTIMIZE_NONE = 37,
573   ATTR_KIND_IN_ALLOCA = 38,
574   ATTR_KIND_NON_NULL = 39,
575   ATTR_KIND_JUMP_TABLE = 40,
576   ATTR_KIND_DEREFERENCEABLE = 41,
577   ATTR_KIND_DEREFERENCEABLE_OR_NULL = 42,
578   ATTR_KIND_CONVERGENT = 43,
579   ATTR_KIND_SAFESTACK = 44,
580   ATTR_KIND_ARGMEMONLY = 45,
581   ATTR_KIND_SWIFT_SELF = 46,
582   ATTR_KIND_SWIFT_ERROR = 47,
583   ATTR_KIND_NO_RECURSE = 48,
584   ATTR_KIND_INACCESSIBLEMEM_ONLY = 49,
585   ATTR_KIND_INACCESSIBLEMEM_OR_ARGMEMONLY = 50,
586   ATTR_KIND_ALLOC_SIZE = 51,
587   ATTR_KIND_WRITEONLY = 52,
588   ATTR_KIND_SPECULATABLE = 53,
589   ATTR_KIND_STRICT_FP = 54,
590   ATTR_KIND_SANITIZE_HWADDRESS = 55,
591   ATTR_KIND_NOCF_CHECK = 56,
592   ATTR_KIND_OPT_FOR_FUZZING = 57,
593   ATTR_KIND_SHADOWCALLSTACK = 58,
594 };
595 
596 enum ComdatSelectionKindCodes {
597   COMDAT_SELECTION_KIND_ANY = 1,
598   COMDAT_SELECTION_KIND_EXACT_MATCH = 2,
599   COMDAT_SELECTION_KIND_LARGEST = 3,
600   COMDAT_SELECTION_KIND_NO_DUPLICATES = 4,
601   COMDAT_SELECTION_KIND_SAME_SIZE = 5,
602 };
603 
604 enum StrtabCodes {
605   STRTAB_BLOB = 1,
606 };
607 
608 enum SymtabCodes {
609   SYMTAB_BLOB = 1,
610 };
611 
612 } // End bitc namespace
613 } // End llvm namespace
614 
615 #endif
616