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llvm-mirror/include/llvm/Bitcode/LLVMBitCodes.h
Bill Wendling 4cbbcd4f82 Initial commit of the 'landingpad' instruction. 
This implements the 'landingpad' instruction. It's used to indicate that a basic
block is a landing pad. There are several restrictions on its use (see
LangRef.html for more detail). These restrictions allow the exception handling
code to gather the information it needs in a much more sane way.

This patch has the definition, implementation, C interface, parsing, and bitcode
support in it.

llvm-svn: 137501
2011-08-12 20:24:12 +00:00

321 lines
13 KiB
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//===- LLVMBitCodes.h - Enum values for the LLVM bitcode format -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header defines Bitcode enum values for LLVM IR bitcode files.
//
// The enum values defined in this file should be considered permanent. If
// new features are added, they should have values added at the end of the
// respective lists.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_BITCODE_LLVMBITCODES_H
#define LLVM_BITCODE_LLVMBITCODES_H
#include "llvm/Bitcode/BitCodes.h"
namespace llvm {
namespace bitc {
// The only top-level block type defined is for a module.
enum BlockIDs {
// Blocks
MODULE_BLOCK_ID = FIRST_APPLICATION_BLOCKID,
// Module sub-block id's.
PARAMATTR_BLOCK_ID,
/// TYPE_BLOCK_ID_OLD - This is the type descriptor block in LLVM 2.9 and
/// earlier, replaced with TYPE_BLOCK_ID2. FIXME: Remove in LLVM 3.1.
TYPE_BLOCK_ID_OLD,
CONSTANTS_BLOCK_ID,
FUNCTION_BLOCK_ID,
/// TYPE_SYMTAB_BLOCK_ID_OLD - This type descriptor is from LLVM 2.9 and
/// earlier bitcode files. FIXME: Remove in LLVM 3.1
TYPE_SYMTAB_BLOCK_ID_OLD,
VALUE_SYMTAB_BLOCK_ID,
METADATA_BLOCK_ID,
METADATA_ATTACHMENT_ID,
TYPE_BLOCK_ID_NEW
};
/// MODULE blocks have a number of optional fields and subblocks.
enum ModuleCodes {
MODULE_CODE_VERSION = 1, // VERSION: [version#]
MODULE_CODE_TRIPLE = 2, // TRIPLE: [strchr x N]
MODULE_CODE_DATALAYOUT = 3, // DATALAYOUT: [strchr x N]
MODULE_CODE_ASM = 4, // ASM: [strchr x N]
MODULE_CODE_SECTIONNAME = 5, // SECTIONNAME: [strchr x N]
MODULE_CODE_DEPLIB = 6, // DEPLIB: [strchr x N]
// GLOBALVAR: [pointer type, isconst, initid,
// linkage, alignment, section, visibility, threadlocal]
MODULE_CODE_GLOBALVAR = 7,
// FUNCTION: [type, callingconv, isproto, linkage, paramattrs, alignment,
// section, visibility]
MODULE_CODE_FUNCTION = 8,
// ALIAS: [alias type, aliasee val#, linkage]
MODULE_CODE_ALIAS = 9,
/// MODULE_CODE_PURGEVALS: [numvals]
MODULE_CODE_PURGEVALS = 10,
MODULE_CODE_GCNAME = 11 // GCNAME: [strchr x N]
};
/// PARAMATTR blocks have code for defining a parameter attribute set.
enum AttributeCodes {
PARAMATTR_CODE_ENTRY = 1 // ENTRY: [paramidx0, attr0, paramidx1, attr1...]
};
/// TYPE blocks have codes for each type primitive they use.
enum TypeCodes {
TYPE_CODE_NUMENTRY = 1, // NUMENTRY: [numentries]
// Type Codes
TYPE_CODE_VOID = 2, // VOID
TYPE_CODE_FLOAT = 3, // FLOAT
TYPE_CODE_DOUBLE = 4, // DOUBLE
TYPE_CODE_LABEL = 5, // LABEL
TYPE_CODE_OPAQUE = 6, // OPAQUE
TYPE_CODE_INTEGER = 7, // INTEGER: [width]
TYPE_CODE_POINTER = 8, // POINTER: [pointee type]
TYPE_CODE_FUNCTION = 9, // FUNCTION: [vararg, retty, paramty x N]
// FIXME: This is the encoding used for structs in LLVM 2.9 and earlier.
// REMOVE this in LLVM 3.1
TYPE_CODE_STRUCT_OLD = 10, // STRUCT: [ispacked, eltty x N]
TYPE_CODE_ARRAY = 11, // ARRAY: [numelts, eltty]
TYPE_CODE_VECTOR = 12, // VECTOR: [numelts, eltty]
// These are not with the other floating point types because they're
// a late addition, and putting them in the right place breaks
// binary compatibility.
TYPE_CODE_X86_FP80 = 13, // X86 LONG DOUBLE
TYPE_CODE_FP128 = 14, // LONG DOUBLE (112 bit mantissa)
TYPE_CODE_PPC_FP128= 15, // PPC LONG DOUBLE (2 doubles)
TYPE_CODE_METADATA = 16, // METADATA
TYPE_CODE_X86_MMX = 17, // X86 MMX
TYPE_CODE_STRUCT_ANON = 18, // STRUCT_ANON: [ispacked, eltty x N]
TYPE_CODE_STRUCT_NAME = 19, // STRUCT_NAME: [strchr x N]
TYPE_CODE_STRUCT_NAMED = 20 // STRUCT_NAMED: [ispacked, eltty x N]
};
// The type symbol table only has one code (TST_ENTRY_CODE).
enum TypeSymtabCodes {
TST_CODE_ENTRY = 1 // TST_ENTRY: [typeid, namechar x N]
};
// The value symbol table only has one code (VST_ENTRY_CODE).
enum ValueSymtabCodes {
VST_CODE_ENTRY = 1, // VST_ENTRY: [valid, namechar x N]
VST_CODE_BBENTRY = 2 // VST_BBENTRY: [bbid, namechar x N]
};
enum MetadataCodes {
METADATA_STRING = 1, // MDSTRING: [values]
// 2 is unused.
// 3 is unused.
METADATA_NAME = 4, // STRING: [values]
// 5 is unused.
METADATA_KIND = 6, // [n x [id, name]]
// 7 is unused.
METADATA_NODE = 8, // NODE: [n x (type num, value num)]
METADATA_FN_NODE = 9, // FN_NODE: [n x (type num, value num)]
METADATA_NAMED_NODE = 10, // NAMED_NODE: [n x mdnodes]
METADATA_ATTACHMENT = 11 // [m x [value, [n x [id, mdnode]]]
};
// The constants block (CONSTANTS_BLOCK_ID) describes emission for each
// constant and maintains an implicit current type value.
enum ConstantsCodes {
CST_CODE_SETTYPE = 1, // SETTYPE: [typeid]
CST_CODE_NULL = 2, // NULL
CST_CODE_UNDEF = 3, // UNDEF
CST_CODE_INTEGER = 4, // INTEGER: [intval]
CST_CODE_WIDE_INTEGER = 5, // WIDE_INTEGER: [n x intval]
CST_CODE_FLOAT = 6, // FLOAT: [fpval]
CST_CODE_AGGREGATE = 7, // AGGREGATE: [n x value number]
CST_CODE_STRING = 8, // STRING: [values]
CST_CODE_CSTRING = 9, // CSTRING: [values]
CST_CODE_CE_BINOP = 10, // CE_BINOP: [opcode, opval, opval]
CST_CODE_CE_CAST = 11, // CE_CAST: [opcode, opty, opval]
CST_CODE_CE_GEP = 12, // CE_GEP: [n x operands]
CST_CODE_CE_SELECT = 13, // CE_SELECT: [opval, opval, opval]
CST_CODE_CE_EXTRACTELT = 14, // CE_EXTRACTELT: [opty, opval, opval]
CST_CODE_CE_INSERTELT = 15, // CE_INSERTELT: [opval, opval, opval]
CST_CODE_CE_SHUFFLEVEC = 16, // CE_SHUFFLEVEC: [opval, opval, opval]
CST_CODE_CE_CMP = 17, // CE_CMP: [opty, opval, opval, pred]
CST_CODE_INLINEASM = 18, // INLINEASM: [sideeffect,asmstr,conststr]
CST_CODE_CE_SHUFVEC_EX = 19, // SHUFVEC_EX: [opty, opval, opval, opval]
CST_CODE_CE_INBOUNDS_GEP = 20,// INBOUNDS_GEP: [n x operands]
CST_CODE_BLOCKADDRESS = 21 // CST_CODE_BLOCKADDRESS [fnty, fnval, bb#]
};
/// CastOpcodes - These are values used in the bitcode files to encode which
/// cast a CST_CODE_CE_CAST or a XXX refers to. The values of these enums
/// have no fixed relation to the LLVM IR enum values. Changing these will
/// break compatibility with old files.
enum CastOpcodes {
CAST_TRUNC = 0,
CAST_ZEXT = 1,
CAST_SEXT = 2,
CAST_FPTOUI = 3,
CAST_FPTOSI = 4,
CAST_UITOFP = 5,
CAST_SITOFP = 6,
CAST_FPTRUNC = 7,
CAST_FPEXT = 8,
CAST_PTRTOINT = 9,
CAST_INTTOPTR = 10,
CAST_BITCAST = 11
};
/// BinaryOpcodes - These are values used in the bitcode files to encode which
/// binop a CST_CODE_CE_BINOP or a XXX refers to. The values of these enums
/// have no fixed relation to the LLVM IR enum values. Changing these will
/// break compatibility with old files.
enum BinaryOpcodes {
BINOP_ADD = 0,
BINOP_SUB = 1,
BINOP_MUL = 2,
BINOP_UDIV = 3,
BINOP_SDIV = 4, // overloaded for FP
BINOP_UREM = 5,
BINOP_SREM = 6, // overloaded for FP
BINOP_SHL = 7,
BINOP_LSHR = 8,
BINOP_ASHR = 9,
BINOP_AND = 10,
BINOP_OR = 11,
BINOP_XOR = 12
};
/// These are values used in the bitcode files to encode AtomicRMW operations.
/// The values of these enums have no fixed relation to the LLVM IR enum
/// values. Changing these will break compatibility with old files.
enum RMWOperations {
RMW_XCHG = 0,
RMW_ADD = 1,
RMW_SUB = 2,
RMW_AND = 3,
RMW_NAND = 4,
RMW_OR = 5,
RMW_XOR = 6,
RMW_MAX = 7,
RMW_MIN = 8,
RMW_UMAX = 9,
RMW_UMIN = 10
};
/// OverflowingBinaryOperatorOptionalFlags - Flags for serializing
/// OverflowingBinaryOperator's SubclassOptionalData contents.
enum OverflowingBinaryOperatorOptionalFlags {
OBO_NO_UNSIGNED_WRAP = 0,
OBO_NO_SIGNED_WRAP = 1
};
/// PossiblyExactOperatorOptionalFlags - Flags for serializing
/// PossiblyExactOperator's SubclassOptionalData contents.
enum PossiblyExactOperatorOptionalFlags {
PEO_EXACT = 0
};
/// Encoded AtomicOrdering values.
enum AtomicOrderingCodes {
ORDERING_NOTATOMIC = 0,
ORDERING_UNORDERED = 1,
ORDERING_MONOTONIC = 2,
ORDERING_ACQUIRE = 3,
ORDERING_RELEASE = 4,
ORDERING_ACQREL = 5,
ORDERING_SEQCST = 6
};
/// Encoded SynchronizationScope values.
enum AtomicSynchScopeCodes {
SYNCHSCOPE_SINGLETHREAD = 0,
SYNCHSCOPE_CROSSTHREAD = 1
};
// The function body block (FUNCTION_BLOCK_ID) describes function bodies. It
// can contain a constant block (CONSTANTS_BLOCK_ID).
enum FunctionCodes {
FUNC_CODE_DECLAREBLOCKS = 1, // DECLAREBLOCKS: [n]
FUNC_CODE_INST_BINOP = 2, // BINOP: [opcode, ty, opval, opval]
FUNC_CODE_INST_CAST = 3, // CAST: [opcode, ty, opty, opval]
FUNC_CODE_INST_GEP = 4, // GEP: [n x operands]
FUNC_CODE_INST_SELECT = 5, // SELECT: [ty, opval, opval, opval]
FUNC_CODE_INST_EXTRACTELT = 6, // EXTRACTELT: [opty, opval, opval]
FUNC_CODE_INST_INSERTELT = 7, // INSERTELT: [ty, opval, opval, opval]
FUNC_CODE_INST_SHUFFLEVEC = 8, // SHUFFLEVEC: [ty, opval, opval, opval]
FUNC_CODE_INST_CMP = 9, // CMP: [opty, opval, opval, pred]
FUNC_CODE_INST_RET = 10, // RET: [opty,opval<both optional>]
FUNC_CODE_INST_BR = 11, // BR: [bb#, bb#, cond] or [bb#]
FUNC_CODE_INST_SWITCH = 12, // SWITCH: [opty, op0, op1, ...]
FUNC_CODE_INST_INVOKE = 13, // INVOKE: [attr, fnty, op0,op1, ...]
FUNC_CODE_INST_UNWIND = 14, // UNWIND
FUNC_CODE_INST_UNREACHABLE = 15, // UNREACHABLE
FUNC_CODE_INST_PHI = 16, // PHI: [ty, val0,bb0, ...]
// 17 is unused.
// 18 is unused.
FUNC_CODE_INST_ALLOCA = 19, // ALLOCA: [instty, op, align]
FUNC_CODE_INST_LOAD = 20, // LOAD: [opty, op, align, vol]
// 21 is unused.
// 22 is unused.
FUNC_CODE_INST_VAARG = 23, // VAARG: [valistty, valist, instty]
// This store code encodes the pointer type, rather than the value type
// this is so information only available in the pointer type (e.g. address
// spaces) is retained.
FUNC_CODE_INST_STORE = 24, // STORE: [ptrty,ptr,val, align, vol]
// 25 is unused.
FUNC_CODE_INST_EXTRACTVAL = 26, // EXTRACTVAL: [n x operands]
FUNC_CODE_INST_INSERTVAL = 27, // INSERTVAL: [n x operands]
// fcmp/icmp returning Int1TY or vector of Int1Ty. Same as CMP, exists to
// support legacy vicmp/vfcmp instructions.
FUNC_CODE_INST_CMP2 = 28, // CMP2: [opty, opval, opval, pred]
// new select on i1 or [N x i1]
FUNC_CODE_INST_VSELECT = 29, // VSELECT: [ty,opval,opval,predty,pred]
FUNC_CODE_INST_INBOUNDS_GEP= 30, // INBOUNDS_GEP: [n x operands]
FUNC_CODE_INST_INDIRECTBR = 31, // INDIRECTBR: [opty, op0, op1, ...]
// 32 is unused.
FUNC_CODE_DEBUG_LOC_AGAIN = 33, // DEBUG_LOC_AGAIN
FUNC_CODE_INST_CALL = 34, // CALL: [attr, fnty, fnid, args...]
FUNC_CODE_DEBUG_LOC = 35, // DEBUG_LOC: [Line,Col,ScopeVal, IAVal]
FUNC_CODE_INST_FENCE = 36, // FENCE: [ordering, synchscope]
FUNC_CODE_INST_CMPXCHG = 37, // CMPXCHG: [ptrty,ptr,cmp,new, align, vol,
// ordering, synchscope]
FUNC_CODE_INST_ATOMICRMW = 38, // ATOMICRMW: [ptrty,ptr,val, operation,
// align, vol,
// ordering, synchscope]
FUNC_CODE_INST_RESUME = 39, // RESUME: [opval]
FUNC_CODE_INST_LANDINGPAD = 40, // LANDINGPAD: [ty,val,val,num,id0,val0...]
FUNC_CODE_INST_LOADATOMIC = 41, // LOAD: [opty, op, align, vol,
// ordering, synchscope]
FUNC_CODE_INST_STOREATOMIC = 42 // STORE: [ptrty,ptr,val, align, vol
// ordering, synchscope]
};
} // End bitc namespace
} // End llvm namespace
#endif
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