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The inalloca attribute is designed to support passing C++ objects by value in the Microsoft C++ ABI. It behaves the same as byval, except that it always implies that the argument is in memory and that the bytes are never copied. This attribute allows the caller to take the address of an outgoing argument's memory and execute arbitrary code to store into it. This patch adds basic IR support, docs, and verification. It does not attempt to implement any lowering or fix any possibly broken transforms. When this patch lands, a complete description of this feature should appear at http://llvm.org/docs/InAlloca.html . Differential Revision: http://llvm-reviews.chandlerc.com/D2173 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197645 91177308-0d34-0410-b5e6-96231b3b80d8
381 lines
14 KiB
C++
381 lines
14 KiB
C++
//===- LLVMBitCodes.h - Enum values for the LLVM bitcode format -*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This header defines Bitcode enum values for LLVM IR bitcode files.
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//
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// The enum values defined in this file should be considered permanent. If
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// new features are added, they should have values added at the end of the
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// respective lists.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_BITCODE_LLVMBITCODES_H
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#define LLVM_BITCODE_LLVMBITCODES_H
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#include "llvm/Bitcode/BitCodes.h"
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namespace llvm {
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namespace bitc {
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// The only top-level block type defined is for a module.
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enum BlockIDs {
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// Blocks
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MODULE_BLOCK_ID = FIRST_APPLICATION_BLOCKID,
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// Module sub-block id's.
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PARAMATTR_BLOCK_ID,
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PARAMATTR_GROUP_BLOCK_ID,
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CONSTANTS_BLOCK_ID,
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FUNCTION_BLOCK_ID,
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UNUSED_ID1,
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VALUE_SYMTAB_BLOCK_ID,
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METADATA_BLOCK_ID,
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METADATA_ATTACHMENT_ID,
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TYPE_BLOCK_ID_NEW,
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USELIST_BLOCK_ID
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};
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/// MODULE blocks have a number of optional fields and subblocks.
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enum ModuleCodes {
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MODULE_CODE_VERSION = 1, // VERSION: [version#]
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MODULE_CODE_TRIPLE = 2, // TRIPLE: [strchr x N]
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MODULE_CODE_DATALAYOUT = 3, // DATALAYOUT: [strchr x N]
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MODULE_CODE_ASM = 4, // ASM: [strchr x N]
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MODULE_CODE_SECTIONNAME = 5, // SECTIONNAME: [strchr x N]
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// FIXME: Remove DEPLIB in 4.0.
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MODULE_CODE_DEPLIB = 6, // DEPLIB: [strchr x N]
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// GLOBALVAR: [pointer type, isconst, initid,
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// linkage, alignment, section, visibility, threadlocal]
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MODULE_CODE_GLOBALVAR = 7,
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// FUNCTION: [type, callingconv, isproto, linkage, paramattrs, alignment,
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// section, visibility, gc, unnamed_addr]
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MODULE_CODE_FUNCTION = 8,
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// ALIAS: [alias type, aliasee val#, linkage, visibility]
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MODULE_CODE_ALIAS = 9,
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// MODULE_CODE_PURGEVALS: [numvals]
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MODULE_CODE_PURGEVALS = 10,
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MODULE_CODE_GCNAME = 11 // GCNAME: [strchr x N]
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};
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/// PARAMATTR blocks have code for defining a parameter attribute set.
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enum AttributeCodes {
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// FIXME: Remove `PARAMATTR_CODE_ENTRY_OLD' in 4.0
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PARAMATTR_CODE_ENTRY_OLD = 1, // ENTRY: [paramidx0, attr0,
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// paramidx1, attr1...]
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PARAMATTR_CODE_ENTRY = 2, // ENTRY: [paramidx0, attrgrp0,
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// paramidx1, attrgrp1, ...]
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PARAMATTR_GRP_CODE_ENTRY = 3 // ENTRY: [id, attr0, att1, ...]
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};
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/// TYPE blocks have codes for each type primitive they use.
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enum TypeCodes {
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TYPE_CODE_NUMENTRY = 1, // NUMENTRY: [numentries]
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// Type Codes
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TYPE_CODE_VOID = 2, // VOID
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TYPE_CODE_FLOAT = 3, // FLOAT
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TYPE_CODE_DOUBLE = 4, // DOUBLE
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TYPE_CODE_LABEL = 5, // LABEL
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TYPE_CODE_OPAQUE = 6, // OPAQUE
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TYPE_CODE_INTEGER = 7, // INTEGER: [width]
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TYPE_CODE_POINTER = 8, // POINTER: [pointee type]
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TYPE_CODE_FUNCTION_OLD = 9, // FUNCTION: [vararg, attrid, retty,
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// paramty x N]
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TYPE_CODE_HALF = 10, // HALF
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TYPE_CODE_ARRAY = 11, // ARRAY: [numelts, eltty]
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TYPE_CODE_VECTOR = 12, // VECTOR: [numelts, eltty]
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// These are not with the other floating point types because they're
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// a late addition, and putting them in the right place breaks
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// binary compatibility.
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TYPE_CODE_X86_FP80 = 13, // X86 LONG DOUBLE
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TYPE_CODE_FP128 = 14, // LONG DOUBLE (112 bit mantissa)
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TYPE_CODE_PPC_FP128= 15, // PPC LONG DOUBLE (2 doubles)
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TYPE_CODE_METADATA = 16, // METADATA
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TYPE_CODE_X86_MMX = 17, // X86 MMX
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TYPE_CODE_STRUCT_ANON = 18, // STRUCT_ANON: [ispacked, eltty x N]
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TYPE_CODE_STRUCT_NAME = 19, // STRUCT_NAME: [strchr x N]
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TYPE_CODE_STRUCT_NAMED = 20,// STRUCT_NAMED: [ispacked, eltty x N]
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TYPE_CODE_FUNCTION = 21 // FUNCTION: [vararg, retty, paramty x N]
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};
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// The type symbol table only has one code (TST_ENTRY_CODE).
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enum TypeSymtabCodes {
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TST_CODE_ENTRY = 1 // TST_ENTRY: [typeid, namechar x N]
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};
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// The value symbol table only has one code (VST_ENTRY_CODE).
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enum ValueSymtabCodes {
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VST_CODE_ENTRY = 1, // VST_ENTRY: [valid, namechar x N]
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VST_CODE_BBENTRY = 2 // VST_BBENTRY: [bbid, namechar x N]
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};
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enum MetadataCodes {
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METADATA_STRING = 1, // MDSTRING: [values]
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// 2 is unused.
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// 3 is unused.
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METADATA_NAME = 4, // STRING: [values]
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// 5 is unused.
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METADATA_KIND = 6, // [n x [id, name]]
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// 7 is unused.
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METADATA_NODE = 8, // NODE: [n x (type num, value num)]
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METADATA_FN_NODE = 9, // FN_NODE: [n x (type num, value num)]
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METADATA_NAMED_NODE = 10, // NAMED_NODE: [n x mdnodes]
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METADATA_ATTACHMENT = 11 // [m x [value, [n x [id, mdnode]]]
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};
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// The constants block (CONSTANTS_BLOCK_ID) describes emission for each
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// constant and maintains an implicit current type value.
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enum ConstantsCodes {
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CST_CODE_SETTYPE = 1, // SETTYPE: [typeid]
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CST_CODE_NULL = 2, // NULL
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CST_CODE_UNDEF = 3, // UNDEF
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CST_CODE_INTEGER = 4, // INTEGER: [intval]
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CST_CODE_WIDE_INTEGER = 5, // WIDE_INTEGER: [n x intval]
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CST_CODE_FLOAT = 6, // FLOAT: [fpval]
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CST_CODE_AGGREGATE = 7, // AGGREGATE: [n x value number]
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CST_CODE_STRING = 8, // STRING: [values]
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CST_CODE_CSTRING = 9, // CSTRING: [values]
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CST_CODE_CE_BINOP = 10, // CE_BINOP: [opcode, opval, opval]
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CST_CODE_CE_CAST = 11, // CE_CAST: [opcode, opty, opval]
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CST_CODE_CE_GEP = 12, // CE_GEP: [n x operands]
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CST_CODE_CE_SELECT = 13, // CE_SELECT: [opval, opval, opval]
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CST_CODE_CE_EXTRACTELT = 14, // CE_EXTRACTELT: [opty, opval, opval]
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CST_CODE_CE_INSERTELT = 15, // CE_INSERTELT: [opval, opval, opval]
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CST_CODE_CE_SHUFFLEVEC = 16, // CE_SHUFFLEVEC: [opval, opval, opval]
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CST_CODE_CE_CMP = 17, // CE_CMP: [opty, opval, opval, pred]
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CST_CODE_INLINEASM_OLD = 18, // INLINEASM: [sideeffect|alignstack,
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// asmstr,conststr]
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CST_CODE_CE_SHUFVEC_EX = 19, // SHUFVEC_EX: [opty, opval, opval, opval]
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CST_CODE_CE_INBOUNDS_GEP = 20,// INBOUNDS_GEP: [n x operands]
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CST_CODE_BLOCKADDRESS = 21, // CST_CODE_BLOCKADDRESS [fnty, fnval, bb#]
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CST_CODE_DATA = 22, // DATA: [n x elements]
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CST_CODE_INLINEASM = 23 // INLINEASM: [sideeffect|alignstack|
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// asmdialect,asmstr,conststr]
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};
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/// CastOpcodes - These are values used in the bitcode files to encode which
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/// cast a CST_CODE_CE_CAST or a XXX refers to. The values of these enums
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/// have no fixed relation to the LLVM IR enum values. Changing these will
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/// break compatibility with old files.
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enum CastOpcodes {
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CAST_TRUNC = 0,
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CAST_ZEXT = 1,
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CAST_SEXT = 2,
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CAST_FPTOUI = 3,
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CAST_FPTOSI = 4,
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CAST_UITOFP = 5,
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CAST_SITOFP = 6,
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CAST_FPTRUNC = 7,
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CAST_FPEXT = 8,
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CAST_PTRTOINT = 9,
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CAST_INTTOPTR = 10,
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CAST_BITCAST = 11,
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CAST_ADDRSPACECAST = 12
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};
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/// BinaryOpcodes - These are values used in the bitcode files to encode which
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/// binop a CST_CODE_CE_BINOP or a XXX refers to. The values of these enums
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/// have no fixed relation to the LLVM IR enum values. Changing these will
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/// break compatibility with old files.
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enum BinaryOpcodes {
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BINOP_ADD = 0,
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BINOP_SUB = 1,
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BINOP_MUL = 2,
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BINOP_UDIV = 3,
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BINOP_SDIV = 4, // overloaded for FP
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BINOP_UREM = 5,
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BINOP_SREM = 6, // overloaded for FP
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BINOP_SHL = 7,
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BINOP_LSHR = 8,
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BINOP_ASHR = 9,
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BINOP_AND = 10,
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BINOP_OR = 11,
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BINOP_XOR = 12
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};
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/// These are values used in the bitcode files to encode AtomicRMW operations.
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/// The values of these enums have no fixed relation to the LLVM IR enum
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/// values. Changing these will break compatibility with old files.
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enum RMWOperations {
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RMW_XCHG = 0,
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RMW_ADD = 1,
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RMW_SUB = 2,
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RMW_AND = 3,
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RMW_NAND = 4,
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RMW_OR = 5,
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RMW_XOR = 6,
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RMW_MAX = 7,
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RMW_MIN = 8,
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RMW_UMAX = 9,
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RMW_UMIN = 10
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};
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/// OverflowingBinaryOperatorOptionalFlags - Flags for serializing
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/// OverflowingBinaryOperator's SubclassOptionalData contents.
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enum OverflowingBinaryOperatorOptionalFlags {
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OBO_NO_UNSIGNED_WRAP = 0,
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OBO_NO_SIGNED_WRAP = 1
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};
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/// PossiblyExactOperatorOptionalFlags - Flags for serializing
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/// PossiblyExactOperator's SubclassOptionalData contents.
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enum PossiblyExactOperatorOptionalFlags {
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PEO_EXACT = 0
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};
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/// Encoded AtomicOrdering values.
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enum AtomicOrderingCodes {
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ORDERING_NOTATOMIC = 0,
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ORDERING_UNORDERED = 1,
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ORDERING_MONOTONIC = 2,
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ORDERING_ACQUIRE = 3,
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ORDERING_RELEASE = 4,
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ORDERING_ACQREL = 5,
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ORDERING_SEQCST = 6
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};
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/// Encoded SynchronizationScope values.
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enum AtomicSynchScopeCodes {
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SYNCHSCOPE_SINGLETHREAD = 0,
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SYNCHSCOPE_CROSSTHREAD = 1
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};
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// The function body block (FUNCTION_BLOCK_ID) describes function bodies. It
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// can contain a constant block (CONSTANTS_BLOCK_ID).
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enum FunctionCodes {
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FUNC_CODE_DECLAREBLOCKS = 1, // DECLAREBLOCKS: [n]
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FUNC_CODE_INST_BINOP = 2, // BINOP: [opcode, ty, opval, opval]
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FUNC_CODE_INST_CAST = 3, // CAST: [opcode, ty, opty, opval]
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FUNC_CODE_INST_GEP = 4, // GEP: [n x operands]
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FUNC_CODE_INST_SELECT = 5, // SELECT: [ty, opval, opval, opval]
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FUNC_CODE_INST_EXTRACTELT = 6, // EXTRACTELT: [opty, opval, opval]
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FUNC_CODE_INST_INSERTELT = 7, // INSERTELT: [ty, opval, opval, opval]
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FUNC_CODE_INST_SHUFFLEVEC = 8, // SHUFFLEVEC: [ty, opval, opval, opval]
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FUNC_CODE_INST_CMP = 9, // CMP: [opty, opval, opval, pred]
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FUNC_CODE_INST_RET = 10, // RET: [opty,opval<both optional>]
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FUNC_CODE_INST_BR = 11, // BR: [bb#, bb#, cond] or [bb#]
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FUNC_CODE_INST_SWITCH = 12, // SWITCH: [opty, op0, op1, ...]
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FUNC_CODE_INST_INVOKE = 13, // INVOKE: [attr, fnty, op0,op1, ...]
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// 14 is unused.
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FUNC_CODE_INST_UNREACHABLE = 15, // UNREACHABLE
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FUNC_CODE_INST_PHI = 16, // PHI: [ty, val0,bb0, ...]
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// 17 is unused.
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// 18 is unused.
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FUNC_CODE_INST_ALLOCA = 19, // ALLOCA: [instty, op, align]
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FUNC_CODE_INST_LOAD = 20, // LOAD: [opty, op, align, vol]
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// 21 is unused.
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// 22 is unused.
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FUNC_CODE_INST_VAARG = 23, // VAARG: [valistty, valist, instty]
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// This store code encodes the pointer type, rather than the value type
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// this is so information only available in the pointer type (e.g. address
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// spaces) is retained.
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FUNC_CODE_INST_STORE = 24, // STORE: [ptrty,ptr,val, align, vol]
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// 25 is unused.
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FUNC_CODE_INST_EXTRACTVAL = 26, // EXTRACTVAL: [n x operands]
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FUNC_CODE_INST_INSERTVAL = 27, // INSERTVAL: [n x operands]
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// fcmp/icmp returning Int1TY or vector of Int1Ty. Same as CMP, exists to
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// support legacy vicmp/vfcmp instructions.
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FUNC_CODE_INST_CMP2 = 28, // CMP2: [opty, opval, opval, pred]
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// new select on i1 or [N x i1]
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FUNC_CODE_INST_VSELECT = 29, // VSELECT: [ty,opval,opval,predty,pred]
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FUNC_CODE_INST_INBOUNDS_GEP= 30, // INBOUNDS_GEP: [n x operands]
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FUNC_CODE_INST_INDIRECTBR = 31, // INDIRECTBR: [opty, op0, op1, ...]
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// 32 is unused.
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FUNC_CODE_DEBUG_LOC_AGAIN = 33, // DEBUG_LOC_AGAIN
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FUNC_CODE_INST_CALL = 34, // CALL: [attr, fnty, fnid, args...]
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FUNC_CODE_DEBUG_LOC = 35, // DEBUG_LOC: [Line,Col,ScopeVal, IAVal]
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FUNC_CODE_INST_FENCE = 36, // FENCE: [ordering, synchscope]
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FUNC_CODE_INST_CMPXCHG = 37, // CMPXCHG: [ptrty,ptr,cmp,new, align, vol,
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// ordering, synchscope]
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FUNC_CODE_INST_ATOMICRMW = 38, // ATOMICRMW: [ptrty,ptr,val, operation,
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// align, vol,
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// ordering, synchscope]
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FUNC_CODE_INST_RESUME = 39, // RESUME: [opval]
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FUNC_CODE_INST_LANDINGPAD = 40, // LANDINGPAD: [ty,val,val,num,id0,val0...]
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FUNC_CODE_INST_LOADATOMIC = 41, // LOAD: [opty, op, align, vol,
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// ordering, synchscope]
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FUNC_CODE_INST_STOREATOMIC = 42 // STORE: [ptrty,ptr,val, align, vol
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// ordering, synchscope]
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};
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enum UseListCodes {
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USELIST_CODE_ENTRY = 1 // USELIST_CODE_ENTRY: TBD.
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};
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enum AttributeKindCodes {
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// = 0 is unused
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ATTR_KIND_ALIGNMENT = 1,
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ATTR_KIND_ALWAYS_INLINE = 2,
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ATTR_KIND_BY_VAL = 3,
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ATTR_KIND_INLINE_HINT = 4,
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ATTR_KIND_IN_REG = 5,
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ATTR_KIND_MIN_SIZE = 6,
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ATTR_KIND_NAKED = 7,
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ATTR_KIND_NEST = 8,
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ATTR_KIND_NO_ALIAS = 9,
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ATTR_KIND_NO_BUILTIN = 10,
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ATTR_KIND_NO_CAPTURE = 11,
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ATTR_KIND_NO_DUPLICATE = 12,
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ATTR_KIND_NO_IMPLICIT_FLOAT = 13,
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ATTR_KIND_NO_INLINE = 14,
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ATTR_KIND_NON_LAZY_BIND = 15,
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ATTR_KIND_NO_RED_ZONE = 16,
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ATTR_KIND_NO_RETURN = 17,
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ATTR_KIND_NO_UNWIND = 18,
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ATTR_KIND_OPTIMIZE_FOR_SIZE = 19,
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ATTR_KIND_READ_NONE = 20,
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ATTR_KIND_READ_ONLY = 21,
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ATTR_KIND_RETURNED = 22,
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ATTR_KIND_RETURNS_TWICE = 23,
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ATTR_KIND_S_EXT = 24,
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ATTR_KIND_STACK_ALIGNMENT = 25,
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ATTR_KIND_STACK_PROTECT = 26,
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ATTR_KIND_STACK_PROTECT_REQ = 27,
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ATTR_KIND_STACK_PROTECT_STRONG = 28,
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ATTR_KIND_STRUCT_RET = 29,
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ATTR_KIND_SANITIZE_ADDRESS = 30,
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ATTR_KIND_SANITIZE_THREAD = 31,
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ATTR_KIND_SANITIZE_MEMORY = 32,
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ATTR_KIND_UW_TABLE = 33,
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ATTR_KIND_Z_EXT = 34,
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ATTR_KIND_BUILTIN = 35,
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ATTR_KIND_COLD = 36,
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ATTR_KIND_OPTIMIZE_NONE = 37,
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ATTR_KIND_IN_ALLOCA = 38
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};
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} // End bitc namespace
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} // End llvm namespace
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#endif
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