LLVM-IR Valueクラスの調査

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Value クラスについて

メンバ

• public
  • Type* VTy;
  • Use* UseList;
  • const unsigned char SubclassID;
  • unsigned char HasValueHandle: 1;
• protected
  • unsigned char SubclassOptionalData: 7;
• private
  • unsigned short SubclassData;
  • unsigned NumUserOperands: 27;
  • unsigned IsUsedByMD: 1;
  • unsigned HasName : 1;
  • unsigned HasMetadata : 1;
  • unsigned HasHungOffUses : 1;
  • unsigned HasDescriptor : 1;

Type クラスについて

  enum TypeID {
    // PrimitiveTypes
    HalfTyID = 0,  ///< 16-bit floating point type
    BFloatTyID,    ///< 16-bit floating point type (7-bit significand)
    FloatTyID,     ///< 32-bit floating point type
    DoubleTyID,    ///< 64-bit floating point type
    X86_FP80TyID,  ///< 80-bit floating point type (X87)
    FP128TyID,     ///< 128-bit floating point type (112-bit significand)
    PPC_FP128TyID, ///< 128-bit floating point type (two 64-bits, PowerPC)
    VoidTyID,      ///< type with no size
    LabelTyID,     ///< Labels
    MetadataTyID,  ///< Metadata
    X86_MMXTyID,   ///< MMX vectors (64 bits, X86 specific)
    X86_AMXTyID,   ///< AMX vectors (8192 bits, X86 specific)
    TokenTyID,     ///< Tokens

    // Derived types... see DerivedTypes.h file.
    IntegerTyID,        ///< Arbitrary bit width integers
    FunctionTyID,       ///< Functions
    PointerTyID,        ///< Pointers
    StructTyID,         ///< Structures
    ArrayTyID,          ///< Arrays
    FixedVectorTyID,    ///< Fixed width SIMD vector type
    ScalableVectorTyID, ///< Scalable SIMD vector type
    TypedPointerTyID,   ///< Typed pointer used by some GPU targets
    TargetExtTyID,      ///< Target extension type
  };

メンバ

• private
  • LLVMContext& Context;
  • TypeID ID: 8;
  • unsigned SubclassData: 24;
  • unsigned NumContainedTys;
  • Type* const* ContainedTyps;