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   FUNCTION_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     // METADATA_VALUES: [numvals]
107     MODULE_CODE_METADATA_VALUES = 15,
108   };
109 
110   /// PARAMATTR blocks have code for defining a parameter attribute set.
111   enum AttributeCodes {
112     // FIXME: Remove `PARAMATTR_CODE_ENTRY_OLD' in 4.0
113     PARAMATTR_CODE_ENTRY_OLD  = 1, // ENTRY: [paramidx0, attr0,
114                                    //         paramidx1, attr1...]
115     PARAMATTR_CODE_ENTRY      = 2, // ENTRY: [paramidx0, attrgrp0,
116                                    //         paramidx1, attrgrp1, ...]
117     PARAMATTR_GRP_CODE_ENTRY  = 3  // ENTRY: [id, attr0, att1, ...]
118   };
119 
120   /// TYPE blocks have codes for each type primitive they use.
121   enum TypeCodes {
122     TYPE_CODE_NUMENTRY =  1,    // NUMENTRY: [numentries]
123 
124     // Type Codes
125     TYPE_CODE_VOID     =  2,    // VOID
126     TYPE_CODE_FLOAT    =  3,    // FLOAT
127     TYPE_CODE_DOUBLE   =  4,    // DOUBLE
128     TYPE_CODE_LABEL    =  5,    // LABEL
129     TYPE_CODE_OPAQUE   =  6,    // OPAQUE
130     TYPE_CODE_INTEGER  =  7,    // INTEGER: [width]
131     TYPE_CODE_POINTER  =  8,    // POINTER: [pointee type]
132 
133     TYPE_CODE_FUNCTION_OLD = 9, // FUNCTION: [vararg, attrid, retty,
134                                 //            paramty x N]
135 
136     TYPE_CODE_HALF     =  10,   // HALF
137 
138     TYPE_CODE_ARRAY    = 11,    // ARRAY: [numelts, eltty]
139     TYPE_CODE_VECTOR   = 12,    // VECTOR: [numelts, eltty]
140 
141     // These are not with the other floating point types because they're
142     // a late addition, and putting them in the right place breaks
143     // binary compatibility.
144     TYPE_CODE_X86_FP80 = 13,    // X86 LONG DOUBLE
145     TYPE_CODE_FP128    = 14,    // LONG DOUBLE (112 bit mantissa)
146     TYPE_CODE_PPC_FP128= 15,    // PPC LONG DOUBLE (2 doubles)
147 
148     TYPE_CODE_METADATA = 16,    // METADATA
149 
150     TYPE_CODE_X86_MMX = 17,     // X86 MMX
151 
152     TYPE_CODE_STRUCT_ANON = 18, // STRUCT_ANON: [ispacked, eltty x N]
153     TYPE_CODE_STRUCT_NAME = 19, // STRUCT_NAME: [strchr x N]
154     TYPE_CODE_STRUCT_NAMED = 20,// STRUCT_NAMED: [ispacked, eltty x N]
155 
156     TYPE_CODE_FUNCTION = 21,    // FUNCTION: [vararg, retty, paramty x N]
157 
158     TYPE_CODE_TOKEN = 22        // TOKEN
159   };
160 
161   enum OperandBundleTagCode {
162     OPERAND_BUNDLE_TAG = 1,     // TAG: [strchr x N]
163   };
164 
165   // The type symbol table only has one code (TST_ENTRY_CODE).
166   enum TypeSymtabCodes {
167     TST_CODE_ENTRY = 1     // TST_ENTRY: [typeid, namechar x N]
168   };
169 
170   // Value symbol table codes.
171   enum ValueSymtabCodes {
172     VST_CODE_ENTRY   = 1,   // VST_ENTRY: [valueid, namechar x N]
173     VST_CODE_BBENTRY = 2,   // VST_BBENTRY: [bbid, namechar x N]
174     VST_CODE_FNENTRY = 3,   // VST_FNENTRY: [valueid, offset, namechar x N]
175     // VST_COMBINED_FNENTRY: [offset, namechar x N]
176     VST_CODE_COMBINED_FNENTRY = 4
177   };
178 
179   // The module path symbol table only has one code (MST_CODE_ENTRY).
180   enum ModulePathSymtabCodes {
181     MST_CODE_ENTRY   = 1,  // MST_ENTRY: [modid, namechar x N]
182   };
183 
184   // The function summary section uses different codes in the per-module
185   // and combined index cases.
186   enum FunctionSummarySymtabCodes {
187     FS_CODE_PERMODULE_ENTRY = 1,  // FS_ENTRY: [valueid, islocal, instcount]
188     FS_CODE_COMBINED_ENTRY  = 2,  // FS_ENTRY: [modid, instcount]
189   };
190 
191   enum MetadataCodes {
192     METADATA_STRING        = 1,   // MDSTRING:      [values]
193     METADATA_VALUE         = 2,   // VALUE:         [type num, value num]
194     METADATA_NODE          = 3,   // NODE:          [n x md num]
195     METADATA_NAME          = 4,   // STRING:        [values]
196     METADATA_DISTINCT_NODE = 5,   // DISTINCT_NODE: [n x md num]
197     METADATA_KIND          = 6,   // [n x [id, name]]
198     METADATA_LOCATION      = 7,   // [distinct, line, col, scope, inlined-at?]
199     METADATA_OLD_NODE      = 8,   // OLD_NODE:      [n x (type num, value num)]
200     METADATA_OLD_FN_NODE   = 9,   // OLD_FN_NODE:   [n x (type num, value num)]
201     METADATA_NAMED_NODE    = 10,  // NAMED_NODE:    [n x mdnodes]
202     METADATA_ATTACHMENT    = 11,  // [m x [value, [n x [id, mdnode]]]
203     METADATA_GENERIC_DEBUG = 12,  // [distinct, tag, vers, header, n x md num]
204     METADATA_SUBRANGE      = 13,  // [distinct, count, lo]
205     METADATA_ENUMERATOR    = 14,  // [distinct, value, name]
206     METADATA_BASIC_TYPE    = 15,  // [distinct, tag, name, size, align, enc]
207     METADATA_FILE          = 16,  // [distinct, filename, directory]
208     METADATA_DERIVED_TYPE  = 17,  // [distinct, ...]
209     METADATA_COMPOSITE_TYPE= 18,  // [distinct, ...]
210     METADATA_SUBROUTINE_TYPE=19,  // [distinct, flags, types]
211     METADATA_COMPILE_UNIT  = 20,  // [distinct, ...]
212     METADATA_SUBPROGRAM    = 21,  // [distinct, ...]
213     METADATA_LEXICAL_BLOCK = 22,  // [distinct, scope, file, line, column]
214     METADATA_LEXICAL_BLOCK_FILE=23,//[distinct, scope, file, discriminator]
215     METADATA_NAMESPACE     = 24,  // [distinct, scope, file, name, line]
216     METADATA_TEMPLATE_TYPE = 25,  // [distinct, scope, name, type, ...]
217     METADATA_TEMPLATE_VALUE= 26,  // [distinct, scope, name, type, value, ...]
218     METADATA_GLOBAL_VAR    = 27,  // [distinct, ...]
219     METADATA_LOCAL_VAR     = 28,  // [distinct, ...]
220     METADATA_EXPRESSION    = 29,  // [distinct, n x element]
221     METADATA_OBJC_PROPERTY = 30,  // [distinct, name, file, line, ...]
222     METADATA_IMPORTED_ENTITY=31,  // [distinct, tag, scope, entity, line, name]
223     METADATA_MODULE        = 32,  // [distinct, scope, name, ...]
224     METADATA_MACRO         = 33,  // [distinct, macinfo, line, name, value]
225     METADATA_MACRO_FILE    = 34,  // [distinct, macinfo, line, file, ...]
226   };
227 
228   // The constants block (CONSTANTS_BLOCK_ID) describes emission for each
229   // constant and maintains an implicit current type value.
230   enum ConstantsCodes {
231     CST_CODE_SETTYPE       =  1,  // SETTYPE:       [typeid]
232     CST_CODE_NULL          =  2,  // NULL
233     CST_CODE_UNDEF         =  3,  // UNDEF
234     CST_CODE_INTEGER       =  4,  // INTEGER:       [intval]
235     CST_CODE_WIDE_INTEGER  =  5,  // WIDE_INTEGER:  [n x intval]
236     CST_CODE_FLOAT         =  6,  // FLOAT:         [fpval]
237     CST_CODE_AGGREGATE     =  7,  // AGGREGATE:     [n x value number]
238     CST_CODE_STRING        =  8,  // STRING:        [values]
239     CST_CODE_CSTRING       =  9,  // CSTRING:       [values]
240     CST_CODE_CE_BINOP      = 10,  // CE_BINOP:      [opcode, opval, opval]
241     CST_CODE_CE_CAST       = 11,  // CE_CAST:       [opcode, opty, opval]
242     CST_CODE_CE_GEP        = 12,  // CE_GEP:        [n x operands]
243     CST_CODE_CE_SELECT     = 13,  // CE_SELECT:     [opval, opval, opval]
244     CST_CODE_CE_EXTRACTELT = 14,  // CE_EXTRACTELT: [opty, opval, opval]
245     CST_CODE_CE_INSERTELT  = 15,  // CE_INSERTELT:  [opval, opval, opval]
246     CST_CODE_CE_SHUFFLEVEC = 16,  // CE_SHUFFLEVEC: [opval, opval, opval]
247     CST_CODE_CE_CMP        = 17,  // CE_CMP:        [opty, opval, opval, pred]
248     CST_CODE_INLINEASM_OLD = 18,  // INLINEASM:     [sideeffect|alignstack,
249                                   //                 asmstr,conststr]
250     CST_CODE_CE_SHUFVEC_EX = 19,  // SHUFVEC_EX:    [opty, opval, opval, opval]
251     CST_CODE_CE_INBOUNDS_GEP = 20,// INBOUNDS_GEP:  [n x operands]
252     CST_CODE_BLOCKADDRESS  = 21,  // CST_CODE_BLOCKADDRESS [fnty, fnval, bb#]
253     CST_CODE_DATA          = 22,  // DATA:          [n x elements]
254     CST_CODE_INLINEASM     = 23   // INLINEASM:     [sideeffect|alignstack|
255                                   //                 asmdialect,asmstr,conststr]
256   };
257 
258   /// CastOpcodes - These are values used in the bitcode files to encode which
259   /// cast a CST_CODE_CE_CAST or a XXX refers to.  The values of these enums
260   /// have no fixed relation to the LLVM IR enum values.  Changing these will
261   /// break compatibility with old files.
262   enum CastOpcodes {
263     CAST_TRUNC    =  0,
264     CAST_ZEXT     =  1,
265     CAST_SEXT     =  2,
266     CAST_FPTOUI   =  3,
267     CAST_FPTOSI   =  4,
268     CAST_UITOFP   =  5,
269     CAST_SITOFP   =  6,
270     CAST_FPTRUNC  =  7,
271     CAST_FPEXT    =  8,
272     CAST_PTRTOINT =  9,
273     CAST_INTTOPTR = 10,
274     CAST_BITCAST  = 11,
275     CAST_ADDRSPACECAST = 12
276   };
277 
278   /// BinaryOpcodes - These are values used in the bitcode files to encode which
279   /// binop a CST_CODE_CE_BINOP or a XXX refers to.  The values of these enums
280   /// have no fixed relation to the LLVM IR enum values.  Changing these will
281   /// break compatibility with old files.
282   enum BinaryOpcodes {
283     BINOP_ADD  =  0,
284     BINOP_SUB  =  1,
285     BINOP_MUL  =  2,
286     BINOP_UDIV =  3,
287     BINOP_SDIV =  4,    // overloaded for FP
288     BINOP_UREM =  5,
289     BINOP_SREM =  6,    // overloaded for FP
290     BINOP_SHL  =  7,
291     BINOP_LSHR =  8,
292     BINOP_ASHR =  9,
293     BINOP_AND  = 10,
294     BINOP_OR   = 11,
295     BINOP_XOR  = 12
296   };
297 
298   /// These are values used in the bitcode files to encode AtomicRMW operations.
299   /// The values of these enums have no fixed relation to the LLVM IR enum
300   /// values.  Changing these will break compatibility with old files.
301   enum RMWOperations {
302     RMW_XCHG = 0,
303     RMW_ADD = 1,
304     RMW_SUB = 2,
305     RMW_AND = 3,
306     RMW_NAND = 4,
307     RMW_OR = 5,
308     RMW_XOR = 6,
309     RMW_MAX = 7,
310     RMW_MIN = 8,
311     RMW_UMAX = 9,
312     RMW_UMIN = 10
313   };
314 
315   /// OverflowingBinaryOperatorOptionalFlags - Flags for serializing
316   /// OverflowingBinaryOperator's SubclassOptionalData contents.
317   enum OverflowingBinaryOperatorOptionalFlags {
318     OBO_NO_UNSIGNED_WRAP = 0,
319     OBO_NO_SIGNED_WRAP = 1
320   };
321 
322   /// PossiblyExactOperatorOptionalFlags - Flags for serializing
323   /// PossiblyExactOperator's SubclassOptionalData contents.
324   enum PossiblyExactOperatorOptionalFlags {
325     PEO_EXACT = 0
326   };
327 
328   /// Encoded AtomicOrdering values.
329   enum AtomicOrderingCodes {
330     ORDERING_NOTATOMIC = 0,
331     ORDERING_UNORDERED = 1,
332     ORDERING_MONOTONIC = 2,
333     ORDERING_ACQUIRE = 3,
334     ORDERING_RELEASE = 4,
335     ORDERING_ACQREL = 5,
336     ORDERING_SEQCST = 6
337   };
338 
339   /// Encoded SynchronizationScope values.
340   enum AtomicSynchScopeCodes {
341     SYNCHSCOPE_SINGLETHREAD = 0,
342     SYNCHSCOPE_CROSSTHREAD = 1
343   };
344 
345   /// Markers and flags for call instruction.
346   enum CallMarkersFlags {
347     CALL_TAIL = 0,
348     CALL_CCONV = 1,
349     CALL_MUSTTAIL = 14,
350     CALL_EXPLICIT_TYPE = 15,
351     CALL_NOTAIL = 16,
352     CALL_FMF = 17  // Call has optional fast-math-flags.
353   };
354 
355   // The function body block (FUNCTION_BLOCK_ID) describes function bodies.  It
356   // can contain a constant block (CONSTANTS_BLOCK_ID).
357   enum FunctionCodes {
358     FUNC_CODE_DECLAREBLOCKS    =  1, // DECLAREBLOCKS: [n]
359 
360     FUNC_CODE_INST_BINOP       =  2, // BINOP:      [opcode, ty, opval, opval]
361     FUNC_CODE_INST_CAST        =  3, // CAST:       [opcode, ty, opty, opval]
362     FUNC_CODE_INST_GEP_OLD     =  4, // GEP:        [n x operands]
363     FUNC_CODE_INST_SELECT      =  5, // SELECT:     [ty, opval, opval, opval]
364     FUNC_CODE_INST_EXTRACTELT  =  6, // EXTRACTELT: [opty, opval, opval]
365     FUNC_CODE_INST_INSERTELT   =  7, // INSERTELT:  [ty, opval, opval, opval]
366     FUNC_CODE_INST_SHUFFLEVEC  =  8, // SHUFFLEVEC: [ty, opval, opval, opval]
367     FUNC_CODE_INST_CMP         =  9, // CMP:        [opty, opval, opval, pred]
368 
369     FUNC_CODE_INST_RET         = 10, // RET:        [opty,opval<both optional>]
370     FUNC_CODE_INST_BR          = 11, // BR:         [bb#, bb#, cond] or [bb#]
371     FUNC_CODE_INST_SWITCH      = 12, // SWITCH:     [opty, op0, op1, ...]
372     FUNC_CODE_INST_INVOKE      = 13, // INVOKE:     [attr, fnty, op0,op1, ...]
373     // 14 is unused.
374     FUNC_CODE_INST_UNREACHABLE = 15, // UNREACHABLE
375 
376     FUNC_CODE_INST_PHI         = 16, // PHI:        [ty, val0,bb0, ...]
377     // 17 is unused.
378     // 18 is unused.
379     FUNC_CODE_INST_ALLOCA      = 19, // ALLOCA:     [instty, opty, op, align]
380     FUNC_CODE_INST_LOAD        = 20, // LOAD:       [opty, op, align, vol]
381     // 21 is unused.
382     // 22 is unused.
383     FUNC_CODE_INST_VAARG       = 23, // VAARG:      [valistty, valist, instty]
384     // This store code encodes the pointer type, rather than the value type
385     // this is so information only available in the pointer type (e.g. address
386     // spaces) is retained.
387     FUNC_CODE_INST_STORE_OLD   = 24, // STORE:      [ptrty,ptr,val, align, vol]
388     // 25 is unused.
389     FUNC_CODE_INST_EXTRACTVAL  = 26, // EXTRACTVAL: [n x operands]
390     FUNC_CODE_INST_INSERTVAL   = 27, // INSERTVAL:  [n x operands]
391     // fcmp/icmp returning Int1TY or vector of Int1Ty. Same as CMP, exists to
392     // support legacy vicmp/vfcmp instructions.
393     FUNC_CODE_INST_CMP2        = 28, // CMP2:       [opty, opval, opval, pred]
394     // new select on i1 or [N x i1]
395     FUNC_CODE_INST_VSELECT     = 29, // VSELECT:    [ty,opval,opval,predty,pred]
396     FUNC_CODE_INST_INBOUNDS_GEP_OLD = 30, // INBOUNDS_GEP: [n x operands]
397     FUNC_CODE_INST_INDIRECTBR  = 31, // INDIRECTBR: [opty, op0, op1, ...]
398     // 32 is unused.
399     FUNC_CODE_DEBUG_LOC_AGAIN  = 33, // DEBUG_LOC_AGAIN
400 
401     FUNC_CODE_INST_CALL        = 34, // CALL:    [attr, cc, fnty, fnid, args...]
402 
403     FUNC_CODE_DEBUG_LOC        = 35, // DEBUG_LOC:  [Line,Col,ScopeVal, IAVal]
404     FUNC_CODE_INST_FENCE       = 36, // FENCE: [ordering, synchscope]
405     FUNC_CODE_INST_CMPXCHG_OLD = 37, // CMPXCHG: [ptrty,ptr,cmp,new, align, vol,
406                                      //           ordering, synchscope]
407     FUNC_CODE_INST_ATOMICRMW   = 38, // ATOMICRMW: [ptrty,ptr,val, operation,
408                                      //             align, vol,
409                                      //             ordering, synchscope]
410     FUNC_CODE_INST_RESUME      = 39, // RESUME:     [opval]
411     FUNC_CODE_INST_LANDINGPAD_OLD  = 40, // LANDINGPAD: [ty,val,val,num,id0,val0...]
412     FUNC_CODE_INST_LOADATOMIC  = 41, // LOAD: [opty, op, align, vol,
413                                      //        ordering, synchscope]
414     FUNC_CODE_INST_STOREATOMIC_OLD = 42, // STORE: [ptrty,ptr,val, align, vol
415                                      //         ordering, synchscope]
416     FUNC_CODE_INST_GEP         = 43, // GEP:  [inbounds, n x operands]
417     FUNC_CODE_INST_STORE       = 44, // STORE: [ptrty,ptr,valty,val, align, vol]
418     FUNC_CODE_INST_STOREATOMIC = 45, // STORE: [ptrty,ptr,val, align, vol
419     FUNC_CODE_INST_CMPXCHG     = 46, // CMPXCHG: [ptrty,ptr,valty,cmp,new, align,
420                                      //           vol,ordering,synchscope]
421     FUNC_CODE_INST_LANDINGPAD  = 47, // LANDINGPAD: [ty,val,num,id0,val0...]
422     FUNC_CODE_INST_CLEANUPRET  = 48, // CLEANUPRET: [val] or [val,bb#]
423     FUNC_CODE_INST_CATCHRET    = 49, // CATCHRET: [val,bb#]
424     FUNC_CODE_INST_CATCHPAD  = 50, // CATCHPAD: [bb#,bb#,num,args...]
425     FUNC_CODE_INST_CLEANUPPAD = 51, // CLEANUPPAD: [num,args...]
426     FUNC_CODE_INST_CATCHSWITCH = 52, // CATCHSWITCH: [num,args...] or [num,args...,bb]
427     // 53 is unused.
428     // 54 is unused.
429     FUNC_CODE_OPERAND_BUNDLE = 55, // OPERAND_BUNDLE: [tag#, value...]
430   };
431 
432   enum UseListCodes {
433     USELIST_CODE_DEFAULT = 1, // DEFAULT: [index..., value-id]
434     USELIST_CODE_BB      = 2  // BB: [index..., bb-id]
435   };
436 
437   enum AttributeKindCodes {
438     // = 0 is unused
439     ATTR_KIND_ALIGNMENT = 1,
440     ATTR_KIND_ALWAYS_INLINE = 2,
441     ATTR_KIND_BY_VAL = 3,
442     ATTR_KIND_INLINE_HINT = 4,
443     ATTR_KIND_IN_REG = 5,
444     ATTR_KIND_MIN_SIZE = 6,
445     ATTR_KIND_NAKED = 7,
446     ATTR_KIND_NEST = 8,
447     ATTR_KIND_NO_ALIAS = 9,
448     ATTR_KIND_NO_BUILTIN = 10,
449     ATTR_KIND_NO_CAPTURE = 11,
450     ATTR_KIND_NO_DUPLICATE = 12,
451     ATTR_KIND_NO_IMPLICIT_FLOAT = 13,
452     ATTR_KIND_NO_INLINE = 14,
453     ATTR_KIND_NON_LAZY_BIND = 15,
454     ATTR_KIND_NO_RED_ZONE = 16,
455     ATTR_KIND_NO_RETURN = 17,
456     ATTR_KIND_NO_UNWIND = 18,
457     ATTR_KIND_OPTIMIZE_FOR_SIZE = 19,
458     ATTR_KIND_READ_NONE = 20,
459     ATTR_KIND_READ_ONLY = 21,
460     ATTR_KIND_RETURNED = 22,
461     ATTR_KIND_RETURNS_TWICE = 23,
462     ATTR_KIND_S_EXT = 24,
463     ATTR_KIND_STACK_ALIGNMENT = 25,
464     ATTR_KIND_STACK_PROTECT = 26,
465     ATTR_KIND_STACK_PROTECT_REQ = 27,
466     ATTR_KIND_STACK_PROTECT_STRONG = 28,
467     ATTR_KIND_STRUCT_RET = 29,
468     ATTR_KIND_SANITIZE_ADDRESS = 30,
469     ATTR_KIND_SANITIZE_THREAD = 31,
470     ATTR_KIND_SANITIZE_MEMORY = 32,
471     ATTR_KIND_UW_TABLE = 33,
472     ATTR_KIND_Z_EXT = 34,
473     ATTR_KIND_BUILTIN = 35,
474     ATTR_KIND_COLD = 36,
475     ATTR_KIND_OPTIMIZE_NONE = 37,
476     ATTR_KIND_IN_ALLOCA = 38,
477     ATTR_KIND_NON_NULL = 39,
478     ATTR_KIND_JUMP_TABLE = 40,
479     ATTR_KIND_DEREFERENCEABLE = 41,
480     ATTR_KIND_DEREFERENCEABLE_OR_NULL = 42,
481     ATTR_KIND_CONVERGENT = 43,
482     ATTR_KIND_SAFESTACK = 44,
483     ATTR_KIND_ARGMEMONLY = 45,
484     ATTR_KIND_SWIFT_SELF = 46,
485     ATTR_KIND_SWIFT_ERROR = 47,
486     ATTR_KIND_NO_RECURSE = 48,
487     ATTR_KIND_INACCESSIBLEMEM_ONLY = 49,
488     ATTR_KIND_INACCESSIBLEMEM_OR_ARGMEMONLY = 50
489   };
490 
491   enum ComdatSelectionKindCodes {
492     COMDAT_SELECTION_KIND_ANY = 1,
493     COMDAT_SELECTION_KIND_EXACT_MATCH = 2,
494     COMDAT_SELECTION_KIND_LARGEST = 3,
495     COMDAT_SELECTION_KIND_NO_DUPLICATES = 4,
496     COMDAT_SELECTION_KIND_SAME_SIZE = 5,
497   };
498 
499 } // End bitc namespace
500 } // End llvm namespace
501 
502 #endif
503