include/llvm/CodeGen/ValueTypes.h - llvm - Git at Google

 //===- CodeGen/ValueTypes.h - Low-Level Target independ. types --*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines the set of low-level target independent types which various
 // values in the code generator are.  This allows the target specific behavior
 // of instructions to be described to target independent passes.
 //
 //===----------------------------------------------------------------------===//

 #ifndef LLVM_CODEGEN_VALUETYPES_H
 #define LLVM_CODEGEN_VALUETYPES_H

 #include <cassert>
 #include <string>
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/MathExtras.h"

 namespace llvm {
   class Type;
   class LLVMContext;
   struct EVT;

   /// MVT - Machine Value Type.  Every type that is supported natively by some
   /// processor targeted by LLVM occurs here.  This means that any legal value
   /// type can be represented by a MVT.
   class MVT {
   public:
     enum SimpleValueType {
       // If you change this numbering, you must change the values in
       // ValueTypes.td as well!
       Other          =   0,   // This is a non-standard value
       i1             =   1,   // This is a 1 bit integer value
       i8             =   2,   // This is an 8 bit integer value
       i16            =   3,   // This is a 16 bit integer value
       i32            =   4,   // This is a 32 bit integer value
       i64            =   5,   // This is a 64 bit integer value
       i128           =   6,   // This is a 128 bit integer value

       FIRST_INTEGER_VALUETYPE = i1,
       LAST_INTEGER_VALUETYPE  = i128,

       f32            =   7,   // This is a 32 bit floating point value
       f64            =   8,   // This is a 64 bit floating point value
       f80            =   9,   // This is a 80 bit floating point value
       f128           =  10,   // This is a 128 bit floating point value
       ppcf128        =  11,   // This is a PPC 128-bit floating point value

       v2i8           =  12,   //  2 x i8
       v4i8           =  13,   //  4 x i8
       v8i8           =  14,   //  8 x i8
       v16i8          =  15,   // 16 x i8
       v32i8          =  16,   // 32 x i8
       v2i16          =  17,   //  2 x i16
       v4i16          =  18,   //  4 x i16
       v8i16          =  19,   //  8 x i16
       v16i16         =  20,   // 16 x i16
       v2i32          =  21,   //  2 x i32
       v4i32          =  22,   //  4 x i32
       v8i32          =  23,   //  8 x i32
       v1i64          =  24,   //  1 x i64
       v2i64          =  25,   //  2 x i64
       v4i64          =  26,   //  4 x i64
       v8i64          =  27,   //  8 x i64

       v2f32          =  28,   //  2 x f32
       v4f32          =  29,   //  4 x f32
       v8f32          =  30,   //  8 x f32
       v2f64          =  31,   //  2 x f64
       v4f64          =  32,   //  4 x f64

       FIRST_VECTOR_VALUETYPE = v2i8,
       LAST_VECTOR_VALUETYPE  = v4f64,

       x86mmx         =  33,   // This is an X86 MMX value

       Glue           =  34,   // This glues nodes together during pre-RA sched

       isVoid         =  35,   // This has no value

       untyped        =  36,   // This value takes a register, but has
                               // unspecified type.  The register class
                               // will be determined by the opcode.

       LAST_VALUETYPE =  37,   // This always remains at the end of the list.

       // This is the current maximum for LAST_VALUETYPE.
       // MVT::MAX_ALLOWED_VALUETYPE is used for asserts and to size bit vectors
       // This value must be a multiple of 32.
       MAX_ALLOWED_VALUETYPE = 64,

       // Metadata - This is MDNode or MDString.
       Metadata       = 250,

       // iPTRAny - An int value the size of the pointer of the current
       // target to any address space. This must only be used internal to
       // tblgen. Other than for overloading, we treat iPTRAny the same as iPTR.
       iPTRAny        = 251,

       // vAny - A vector with any length and element size. This is used
       // for intrinsics that have overloadings based on vector types.
       // This is only for tblgen's consumption!
       vAny           = 252,

       // fAny - Any floating-point or vector floating-point value. This is used
       // for intrinsics that have overloadings based on floating-point types.
       // This is only for tblgen's consumption!
       fAny           = 253,

       // iAny - An integer or vector integer value of any bit width. This is
       // used for intrinsics that have overloadings based on integer bit widths.
       // This is only for tblgen's consumption!
       iAny           = 254,

       // iPTR - An int value the size of the pointer of the current
       // target.  This should only be used internal to tblgen!
       iPTR           = 255,

       // LastSimpleValueType - The greatest valid SimpleValueType value.
       LastSimpleValueType = 255,

       // INVALID_SIMPLE_VALUE_TYPE - Simple value types greater than or equal
       // to this are considered extended value types.
       INVALID_SIMPLE_VALUE_TYPE = LastSimpleValueType + 1
     };

     SimpleValueType SimpleTy;

     MVT() : SimpleTy((SimpleValueType)(INVALID_SIMPLE_VALUE_TYPE)) {}
     MVT(SimpleValueType SVT) : SimpleTy(SVT) { }

     bool operator>(const MVT& S)  const { return SimpleTy >  S.SimpleTy; }
     bool operator<(const MVT& S)  const { return SimpleTy <  S.SimpleTy; }
     bool operator==(const MVT& S) const { return SimpleTy == S.SimpleTy; }
     bool operator!=(const MVT& S) const { return SimpleTy != S.SimpleTy; }
     bool operator>=(const MVT& S) const { return SimpleTy >= S.SimpleTy; }
     bool operator<=(const MVT& S) const { return SimpleTy <= S.SimpleTy; }

     /// isFloatingPoint - Return true if this is a FP, or a vector FP type.
     bool isFloatingPoint() const {
       return ((SimpleTy >= MVT::f32 && SimpleTy <= MVT::ppcf128) ||
 	      (SimpleTy >= MVT::v2f32 && SimpleTy <= MVT::v4f64));
     }

     /// isInteger - Return true if this is an integer, or a vector integer type.
     bool isInteger() const {
       return ((SimpleTy >= MVT::FIRST_INTEGER_VALUETYPE &&
                SimpleTy <= MVT::LAST_INTEGER_VALUETYPE) ||
 	      (SimpleTy >= MVT::v2i8 && SimpleTy <= MVT::v8i64));
     }

     /// isVector - Return true if this is a vector value type.
     bool isVector() const {
       return (SimpleTy >= MVT::FIRST_VECTOR_VALUETYPE &&
               SimpleTy <= MVT::LAST_VECTOR_VALUETYPE);
     }

     /// isPow2VectorType - Returns true if the given vector is a power of 2.
     bool isPow2VectorType() const {
       unsigned NElts = getVectorNumElements();
       return !(NElts & (NElts - 1));
     }

     /// getPow2VectorType - Widens the length of the given vector MVT up to
     /// the nearest power of 2 and returns that type.
     MVT getPow2VectorType() const {
       if (isPow2VectorType())
         return *this;

       unsigned NElts = getVectorNumElements();
       unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts);
       return MVT::getVectorVT(getVectorElementType(), Pow2NElts);
     }

     /// getScalarType - If this is a vector type, return the element type,
     /// otherwise return this.
     MVT getScalarType() const {
       return isVector() ? getVectorElementType() : *this;
     }

     MVT getVectorElementType() const {
       switch (SimpleTy) {
       default:
         return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
       case v2i8 :
       case v4i8 :
       case v8i8 :
       case v16i8:
       case v32i8: return i8;
       case v2i16:
       case v4i16:
       case v8i16:
       case v16i16: return i16;
       case v2i32:
       case v4i32:
       case v8i32: return i32;
       case v1i64:
       case v2i64:
       case v4i64:
       case v8i64: return i64;
       case v2f32:
       case v4f32:
       case v8f32: return f32;
       case v2f64:
       case v4f64: return f64;
       }
     }

     unsigned getVectorNumElements() const {
       switch (SimpleTy) {
       default:
         return ~0U;
       case v32i8: return 32;
       case v16i8:
       case v16i16: return 16;
       case v8i8 :
       case v8i16:
       case v8i32:
       case v8i64:
       case v8f32: return 8;
       case v4i8:
       case v4i16:
       case v4i32:
       case v4i64:
       case v4f32:
       case v4f64: return 4;
       case v2i8:
       case v2i16:
       case v2i32:
       case v2i64:
       case v2f32:
       case v2f64: return 2;
       case v1i64: return 1;
       }
     }

     unsigned getSizeInBits() const {
       switch (SimpleTy) {
       case iPTR:
         assert(0 && "Value type size is target-dependent. Ask TLI.");
       case iPTRAny:
       case iAny:
       case fAny:
         assert(0 && "Value type is overloaded.");
       default:
         assert(0 && "getSizeInBits called on extended MVT.");
       case i1  :  return 1;
       case i8  :  return 8;
       case i16 :
       case v2i8:  return 16;
       case f32 :
       case i32 :
       case v4i8:
       case v2i16: return 32;
       case x86mmx:
       case f64 :
       case i64 :
       case v8i8:
       case v4i16:
       case v2i32:
       case v1i64:
       case v2f32: return 64;
       case f80 :  return 80;
       case f128:
       case ppcf128:
       case i128:
       case v16i8:
       case v8i16:
       case v4i32:
       case v2i64:
       case v4f32:
       case v2f64: return 128;
       case v32i8:
       case v16i16:
       case v8i32:
       case v4i64:
       case v8f32:
       case v4f64: return 256;
       case v8i64: return 512;
       }
     }

     /// getStoreSize - Return the number of bytes overwritten by a store
     /// of the specified value type.
     unsigned getStoreSize() const {
       return (getSizeInBits() + 7) / 8;
     }

     /// getStoreSizeInBits - Return the number of bits overwritten by a store
     /// of the specified value type.
     unsigned getStoreSizeInBits() const {
       return getStoreSize() * 8;
     }

     static MVT getFloatingPointVT(unsigned BitWidth) {
       switch (BitWidth) {
       default:
         assert(false && "Bad bit width!");
       case 32:
         return MVT::f32;
       case 64:
         return MVT::f64;
       case 80:
         return MVT::f80;
       case 128:
         return MVT::f128;
       }
     }

     static MVT getIntegerVT(unsigned BitWidth) {
       switch (BitWidth) {
       default:
         return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
       case 1:
         return MVT::i1;
       case 8:
         return MVT::i8;
       case 16:
         return MVT::i16;
       case 32:
         return MVT::i32;
       case 64:
         return MVT::i64;
       case 128:
         return MVT::i128;
       }
     }

     static MVT getVectorVT(MVT VT, unsigned NumElements) {
       switch (VT.SimpleTy) {
       default:
         break;
       case MVT::i8:
         if (NumElements == 2)  return MVT::v2i8;
         if (NumElements == 4)  return MVT::v4i8;
         if (NumElements == 8)  return MVT::v8i8;
         if (NumElements == 16) return MVT::v16i8;
         if (NumElements == 32) return MVT::v32i8;
         break;
       case MVT::i16:
         if (NumElements == 2)  return MVT::v2i16;
         if (NumElements == 4)  return MVT::v4i16;
         if (NumElements == 8)  return MVT::v8i16;
         if (NumElements == 16) return MVT::v16i16;
         break;
       case MVT::i32:
         if (NumElements == 2)  return MVT::v2i32;
         if (NumElements == 4)  return MVT::v4i32;
         if (NumElements == 8)  return MVT::v8i32;
         break;
       case MVT::i64:
         if (NumElements == 1)  return MVT::v1i64;
         if (NumElements == 2)  return MVT::v2i64;
         if (NumElements == 4)  return MVT::v4i64;
         if (NumElements == 8)  return MVT::v8i64;
         break;
       case MVT::f32:
         if (NumElements == 2)  return MVT::v2f32;
         if (NumElements == 4)  return MVT::v4f32;
         if (NumElements == 8)  return MVT::v8f32;
         break;
       case MVT::f64:
         if (NumElements == 2)  return MVT::v2f64;
         if (NumElements == 4)  return MVT::v4f64;
         break;
       }
       return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
     }
   };


   /// EVT - Extended Value Type.  Capable of holding value types which are not
   /// native for any processor (such as the i12345 type), as well as the types
   /// a MVT can represent.
   struct EVT {
   private:
     MVT V;
     Type *LLVMTy;

   public:
     EVT() : V((MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE)),
             LLVMTy(0) {}
     EVT(MVT::SimpleValueType SVT) : V(SVT), LLVMTy(0) { }
     EVT(MVT S) : V(S), LLVMTy(0) {}

     bool operator==(EVT VT) const {
       return !(*this != VT);
     }
     bool operator!=(EVT VT) const {
       if (V.SimpleTy != VT.V.SimpleTy)
         return true;
       if (V.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
         return LLVMTy != VT.LLVMTy;
       return false;
     }

     /// getFloatingPointVT - Returns the EVT that represents a floating point
     /// type with the given number of bits.  There are two floating point types
     /// with 128 bits - this returns f128 rather than ppcf128.
     static EVT getFloatingPointVT(unsigned BitWidth) {
       return MVT::getFloatingPointVT(BitWidth);
     }

     /// getIntegerVT - Returns the EVT that represents an integer with the given
     /// number of bits.
     static EVT getIntegerVT(LLVMContext &Context, unsigned BitWidth) {
       MVT M = MVT::getIntegerVT(BitWidth);
       if (M.SimpleTy != MVT::INVALID_SIMPLE_VALUE_TYPE)
         return M;
       return getExtendedIntegerVT(Context, BitWidth);
     }

     /// getVectorVT - Returns the EVT that represents a vector NumElements in
     /// length, where each element is of type VT.
     static EVT getVectorVT(LLVMContext &Context, EVT VT, unsigned NumElements) {
       MVT M = MVT::getVectorVT(VT.V, NumElements);
       if (M.SimpleTy != MVT::INVALID_SIMPLE_VALUE_TYPE)
         return M;
       return getExtendedVectorVT(Context, VT, NumElements);
     }

     /// getIntVectorWithNumElements - Return any integer vector type that has
     /// the specified number of elements.
     static EVT getIntVectorWithNumElements(LLVMContext &C, unsigned NumElts) {
       switch (NumElts) {
       default: return getVectorVT(C, MVT::i8, NumElts);
       case  1: return MVT::v1i64;
       case  2: return MVT::v2i32;
       case  4: return MVT::v4i16;
       case  8: return MVT::v8i8;
       case 16: return MVT::v16i8;
       }
       return MVT::INVALID_SIMPLE_VALUE_TYPE;
     }

     /// changeVectorElementTypeToInteger - Return a vector with the same number
     /// of elements as this vector, but with the element type converted to an
     /// integer type with the same bitwidth.
     EVT changeVectorElementTypeToInteger() const {
       if (!isSimple())
         return changeExtendedVectorElementTypeToInteger();
       MVT EltTy = getSimpleVT().getVectorElementType();
       unsigned BitWidth = EltTy.getSizeInBits();
       MVT IntTy = MVT::getIntegerVT(BitWidth);
       MVT VecTy = MVT::getVectorVT(IntTy, getVectorNumElements());
       assert(VecTy != MVT::INVALID_SIMPLE_VALUE_TYPE &&
              "Simple vector VT not representable by simple integer vector VT!");
       return VecTy;
     }

     /// isSimple - Test if the given EVT is simple (as opposed to being
     /// extended).
     bool isSimple() const {
       return V.SimpleTy <= MVT::LastSimpleValueType;
     }

     /// isExtended - Test if the given EVT is extended (as opposed to
     /// being simple).
     bool isExtended() const {
       return !isSimple();
     }

     /// isFloatingPoint - Return true if this is a FP, or a vector FP type.
     bool isFloatingPoint() const {
       return isSimple() ? V.isFloatingPoint() : isExtendedFloatingPoint();
     }

     /// isInteger - Return true if this is an integer, or a vector integer type.
     bool isInteger() const {
       return isSimple() ? V.isInteger() : isExtendedInteger();
     }

     /// isVector - Return true if this is a vector value type.
     bool isVector() const {
       return isSimple() ? V.isVector() : isExtendedVector();
     }

     /// is64BitVector - Return true if this is a 64-bit vector type.
     bool is64BitVector() const {
       if (!isSimple())
         return isExtended64BitVector();

       return (V == MVT::v8i8  || V==MVT::v4i16 || V==MVT::v2i32 ||
               V == MVT::v1i64 || V==MVT::v2f32);
     }

     /// is128BitVector - Return true if this is a 128-bit vector type.
     bool is128BitVector() const {
       if (!isSimple())
         return isExtended128BitVector();
       return (V==MVT::v16i8 || V==MVT::v8i16 || V==MVT::v4i32 ||
               V==MVT::v2i64 || V==MVT::v4f32 || V==MVT::v2f64);
     }

     /// is256BitVector - Return true if this is a 256-bit vector type.
     inline bool is256BitVector() const {
       if (!isSimple())
         return isExtended256BitVector();
       return (V == MVT::v8f32  || V == MVT::v4f64 || V == MVT::v32i8 ||
               V == MVT::v16i16 || V == MVT::v8i32 || V == MVT::v4i64);
     }

     /// is512BitVector - Return true if this is a 512-bit vector type.
     inline bool is512BitVector() const {
       return isSimple() ? (V == MVT::v8i64) : isExtended512BitVector();
     }

     /// isOverloaded - Return true if this is an overloaded type for TableGen.
     bool isOverloaded() const {
       return (V==MVT::iAny || V==MVT::fAny || V==MVT::vAny || V==MVT::iPTRAny);
     }

     /// isByteSized - Return true if the bit size is a multiple of 8.
     bool isByteSized() const {
       return (getSizeInBits() & 7) == 0;
     }

     /// isRound - Return true if the size is a power-of-two number of bytes.
     bool isRound() const {
       unsigned BitSize = getSizeInBits();
       return BitSize >= 8 && !(BitSize & (BitSize - 1));
     }

     /// bitsEq - Return true if this has the same number of bits as VT.
     bool bitsEq(EVT VT) const {
       if (EVT::operator==(VT)) return true;
       return getSizeInBits() == VT.getSizeInBits();
     }

     /// bitsGT - Return true if this has more bits than VT.
     bool bitsGT(EVT VT) const {
       if (EVT::operator==(VT)) return false;
       return getSizeInBits() > VT.getSizeInBits();
     }

     /// bitsGE - Return true if this has no less bits than VT.
     bool bitsGE(EVT VT) const {
       if (EVT::operator==(VT)) return true;
       return getSizeInBits() >= VT.getSizeInBits();
     }

     /// bitsLT - Return true if this has less bits than VT.
     bool bitsLT(EVT VT) const {
       if (EVT::operator==(VT)) return false;
       return getSizeInBits() < VT.getSizeInBits();
     }

     /// bitsLE - Return true if this has no more bits than VT.
     bool bitsLE(EVT VT) const {
       if (EVT::operator==(VT)) return true;
       return getSizeInBits() <= VT.getSizeInBits();
     }


     /// getSimpleVT - Return the SimpleValueType held in the specified
     /// simple EVT.
     MVT getSimpleVT() const {
       assert(isSimple() && "Expected a SimpleValueType!");
       return V;
     }

     /// getScalarType - If this is a vector type, return the element type,
     /// otherwise return this.
     EVT getScalarType() const {
       return isVector() ? getVectorElementType() : *this;
     }

     /// getVectorElementType - Given a vector type, return the type of
     /// each element.
     EVT getVectorElementType() const {
       assert(isVector() && "Invalid vector type!");
       if (isSimple())
         return V.getVectorElementType();
       return getExtendedVectorElementType();
     }

     /// getVectorNumElements - Given a vector type, return the number of
     /// elements it contains.
     unsigned getVectorNumElements() const {
       assert(isVector() && "Invalid vector type!");
       if (isSimple())
         return V.getVectorNumElements();
       return getExtendedVectorNumElements();
     }

     /// getSizeInBits - Return the size of the specified value type in bits.
     unsigned getSizeInBits() const {
       if (isSimple())
         return V.getSizeInBits();
       return getExtendedSizeInBits();
     }

     /// getStoreSize - Return the number of bytes overwritten by a store
     /// of the specified value type.
     unsigned getStoreSize() const {
       return (getSizeInBits() + 7) / 8;
     }

     /// getStoreSizeInBits - Return the number of bits overwritten by a store
     /// of the specified value type.
     unsigned getStoreSizeInBits() const {
       return getStoreSize() * 8;
     }

     /// getRoundIntegerType - Rounds the bit-width of the given integer EVT up
     /// to the nearest power of two (and at least to eight), and returns the
     /// integer EVT with that number of bits.
     EVT getRoundIntegerType(LLVMContext &Context) const {
       assert(isInteger() && !isVector() && "Invalid integer type!");
       unsigned BitWidth = getSizeInBits();
       if (BitWidth <= 8)
         return EVT(MVT::i8);
       return getIntegerVT(Context, 1 << Log2_32_Ceil(BitWidth));
     }

     /// getHalfSizedIntegerVT - Finds the smallest simple value type that is
     /// greater than or equal to half the width of this EVT. If no simple
     /// value type can be found, an extended integer value type of half the
     /// size (rounded up) is returned.
     EVT getHalfSizedIntegerVT(LLVMContext &Context) const {
       assert(isInteger() && !isVector() && "Invalid integer type!");
       unsigned EVTSize = getSizeInBits();
       for (unsigned IntVT = MVT::FIRST_INTEGER_VALUETYPE;
           IntVT <= MVT::LAST_INTEGER_VALUETYPE; ++IntVT) {
         EVT HalfVT = EVT((MVT::SimpleValueType)IntVT);
         if (HalfVT.getSizeInBits() * 2 >= EVTSize)
           return HalfVT;
       }
       return getIntegerVT(Context, (EVTSize + 1) / 2);
     }

     /// isPow2VectorType - Returns true if the given vector is a power of 2.
     bool isPow2VectorType() const {
       unsigned NElts = getVectorNumElements();
       return !(NElts & (NElts - 1));
     }

     /// getPow2VectorType - Widens the length of the given vector EVT up to
     /// the nearest power of 2 and returns that type.
     EVT getPow2VectorType(LLVMContext &Context) const {
       if (!isPow2VectorType()) {
         unsigned NElts = getVectorNumElements();
         unsigned Pow2NElts = 1 <<  Log2_32_Ceil(NElts);
         return EVT::getVectorVT(Context, getVectorElementType(), Pow2NElts);
       }
       else {
         return *this;
       }
     }

     /// getEVTString - This function returns value type as a string,
     /// e.g. "i32".
     std::string getEVTString() const;

     /// getTypeForEVT - This method returns an LLVM type corresponding to the
     /// specified EVT.  For integer types, this returns an unsigned type.  Note
     /// that this will abort for types that cannot be represented.
     Type *getTypeForEVT(LLVMContext &Context) const;

     /// getEVT - Return the value type corresponding to the specified type.
     /// This returns all pointers as iPTR.  If HandleUnknown is true, unknown
     /// types are returned as Other, otherwise they are invalid.
     static EVT getEVT(Type *Ty, bool HandleUnknown = false);

     intptr_t getRawBits() {
       if (isSimple())
         return V.SimpleTy;
       else
         return (intptr_t)(LLVMTy);
     }

     /// compareRawBits - A meaningless but well-behaved order, useful for
     /// constructing containers.
     struct compareRawBits {
       bool operator()(EVT L, EVT R) const {
         if (L.V.SimpleTy == R.V.SimpleTy)
           return L.LLVMTy < R.LLVMTy;
         else
           return L.V.SimpleTy < R.V.SimpleTy;
       }
     };

   private:
     // Methods for handling the Extended-type case in functions above.
     // These are all out-of-line to prevent users of this header file
     // from having a dependency on Type.h.
     EVT changeExtendedVectorElementTypeToInteger() const;
     static EVT getExtendedIntegerVT(LLVMContext &C, unsigned BitWidth);
     static EVT getExtendedVectorVT(LLVMContext &C, EVT VT,
                                    unsigned NumElements);
     bool isExtendedFloatingPoint() const;
     bool isExtendedInteger() const;
     bool isExtendedVector() const;
     bool isExtended64BitVector() const;
     bool isExtended128BitVector() const;
     bool isExtended256BitVector() const;
     bool isExtended512BitVector() const;
     EVT getExtendedVectorElementType() const;
     unsigned getExtendedVectorNumElements() const;
     unsigned getExtendedSizeInBits() const;
   };

 } // End llvm namespace

 #endif
	//===- CodeGen/ValueTypes.h - Low-Level Target independ. types --- C++ --===//
	//
	// The LLVM Compiler Infrastructure
	//
	// This file is distributed under the University of Illinois Open Source
	// License. See LICENSE.TXT for details.
	//
	//===----------------------------------------------------------------------===//
	//
	// This file defines the set of low-level target independent types which various
	// values in the code generator are. This allows the target specific behavior
	// of instructions to be described to target independent passes.
	//
	//===----------------------------------------------------------------------===//

	#ifndef LLVM_CODEGEN_VALUETYPES_H
	#define LLVM_CODEGEN_VALUETYPES_H

	#include <cassert>
	#include <string>
	#include "llvm/Support/DataTypes.h"
	#include "llvm/Support/MathExtras.h"

	namespace llvm {
	class Type;
	class LLVMContext;
	struct EVT;

	/// MVT - Machine Value Type. Every type that is supported natively by some
	/// processor targeted by LLVM occurs here. This means that any legal value
	/// type can be represented by a MVT.
	class MVT {
	public:
	enum SimpleValueType {
	// If you change this numbering, you must change the values in
	// ValueTypes.td as well!
	Other = 0, // This is a non-standard value
	i1 = 1, // This is a 1 bit integer value
	i8 = 2, // This is an 8 bit integer value
	i16 = 3, // This is a 16 bit integer value
	i32 = 4, // This is a 32 bit integer value
	i64 = 5, // This is a 64 bit integer value
	i128 = 6, // This is a 128 bit integer value

	FIRST_INTEGER_VALUETYPE = i1,
	LAST_INTEGER_VALUETYPE = i128,

	f32 = 7, // This is a 32 bit floating point value
	f64 = 8, // This is a 64 bit floating point value
	f80 = 9, // This is a 80 bit floating point value
	f128 = 10, // This is a 128 bit floating point value
	ppcf128 = 11, // This is a PPC 128-bit floating point value

	v2i8 = 12, // 2 x i8
	v4i8 = 13, // 4 x i8
	v8i8 = 14, // 8 x i8
	v16i8 = 15, // 16 x i8
	v32i8 = 16, // 32 x i8
	v2i16 = 17, // 2 x i16
	v4i16 = 18, // 4 x i16
	v8i16 = 19, // 8 x i16
	v16i16 = 20, // 16 x i16
	v2i32 = 21, // 2 x i32
	v4i32 = 22, // 4 x i32
	v8i32 = 23, // 8 x i32
	v1i64 = 24, // 1 x i64
	v2i64 = 25, // 2 x i64
	v4i64 = 26, // 4 x i64
	v8i64 = 27, // 8 x i64

	v2f32 = 28, // 2 x f32
	v4f32 = 29, // 4 x f32
	v8f32 = 30, // 8 x f32
	v2f64 = 31, // 2 x f64
	v4f64 = 32, // 4 x f64

	FIRST_VECTOR_VALUETYPE = v2i8,
	LAST_VECTOR_VALUETYPE = v4f64,

	x86mmx = 33, // This is an X86 MMX value

	Glue = 34, // This glues nodes together during pre-RA sched

	isVoid = 35, // This has no value

	untyped = 36, // This value takes a register, but has
	// unspecified type. The register class
	// will be determined by the opcode.

	LAST_VALUETYPE = 37, // This always remains at the end of the list.

	// This is the current maximum for LAST_VALUETYPE.
	// MVT::MAX_ALLOWED_VALUETYPE is used for asserts and to size bit vectors
	// This value must be a multiple of 32.
	MAX_ALLOWED_VALUETYPE = 64,

	// Metadata - This is MDNode or MDString.
	Metadata = 250,

	// iPTRAny - An int value the size of the pointer of the current
	// target to any address space. This must only be used internal to
	// tblgen. Other than for overloading, we treat iPTRAny the same as iPTR.
	iPTRAny = 251,

	// vAny - A vector with any length and element size. This is used
	// for intrinsics that have overloadings based on vector types.
	// This is only for tblgen's consumption!
	vAny = 252,

	// fAny - Any floating-point or vector floating-point value. This is used
	// for intrinsics that have overloadings based on floating-point types.
	// This is only for tblgen's consumption!
	fAny = 253,

	// iAny - An integer or vector integer value of any bit width. This is
	// used for intrinsics that have overloadings based on integer bit widths.
	// This is only for tblgen's consumption!
	iAny = 254,

	// iPTR - An int value the size of the pointer of the current
	// target. This should only be used internal to tblgen!
	iPTR = 255,

	// LastSimpleValueType - The greatest valid SimpleValueType value.
	LastSimpleValueType = 255,

	// INVALID_SIMPLE_VALUE_TYPE - Simple value types greater than or equal
	// to this are considered extended value types.
	INVALID_SIMPLE_VALUE_TYPE = LastSimpleValueType + 1
	};

	SimpleValueType SimpleTy;

	MVT() : SimpleTy((SimpleValueType)(INVALID_SIMPLE_VALUE_TYPE)) {}
	MVT(SimpleValueType SVT) : SimpleTy(SVT) { }

	bool operator>(const MVT& S) const { return SimpleTy > S.SimpleTy; }
	bool operator<(const MVT& S) const { return SimpleTy < S.SimpleTy; }
	bool operator==(const MVT& S) const { return SimpleTy == S.SimpleTy; }
	bool operator!=(const MVT& S) const { return SimpleTy != S.SimpleTy; }
	bool operator>=(const MVT& S) const { return SimpleTy >= S.SimpleTy; }
	bool operator<=(const MVT& S) const { return SimpleTy <= S.SimpleTy; }

	/// isFloatingPoint - Return true if this is a FP, or a vector FP type.
	bool isFloatingPoint() const {
	return ((SimpleTy >= MVT::f32 && SimpleTy <= MVT::ppcf128) \|\|
	(SimpleTy >= MVT::v2f32 && SimpleTy <= MVT::v4f64));
	}

	/// isInteger - Return true if this is an integer, or a vector integer type.
	bool isInteger() const {
	return ((SimpleTy >= MVT::FIRST_INTEGER_VALUETYPE &&
	SimpleTy <= MVT::LAST_INTEGER_VALUETYPE) \|\|
	(SimpleTy >= MVT::v2i8 && SimpleTy <= MVT::v8i64));
	}

	/// isVector - Return true if this is a vector value type.
	bool isVector() const {
	return (SimpleTy >= MVT::FIRST_VECTOR_VALUETYPE &&
	SimpleTy <= MVT::LAST_VECTOR_VALUETYPE);
	}

	/// isPow2VectorType - Returns true if the given vector is a power of 2.
	bool isPow2VectorType() const {
	unsigned NElts = getVectorNumElements();
	return !(NElts & (NElts - 1));
	}

	/// getPow2VectorType - Widens the length of the given vector MVT up to
	/// the nearest power of 2 and returns that type.
	MVT getPow2VectorType() const {
	if (isPow2VectorType())
	return *this;

	unsigned NElts = getVectorNumElements();
	unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts);
	return MVT::getVectorVT(getVectorElementType(), Pow2NElts);
	}

	/// getScalarType - If this is a vector type, return the element type,
	/// otherwise return this.
	MVT getScalarType() const {
	return isVector() ? getVectorElementType() : *this;
	}

	MVT getVectorElementType() const {
	switch (SimpleTy) {
	default:
	return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
	case v2i8 :
	case v4i8 :
	case v8i8 :
	case v16i8:
	case v32i8: return i8;
	case v2i16:
	case v4i16:
	case v8i16:
	case v16i16: return i16;
	case v2i32:
	case v4i32:
	case v8i32: return i32;
	case v1i64:
	case v2i64:
	case v4i64:
	case v8i64: return i64;
	case v2f32:
	case v4f32:
	case v8f32: return f32;
	case v2f64:
	case v4f64: return f64;
	}
	}

	unsigned getVectorNumElements() const {
	switch (SimpleTy) {
	default:
	return ~0U;
	case v32i8: return 32;
	case v16i8:
	case v16i16: return 16;
	case v8i8 :
	case v8i16:
	case v8i32:
	case v8i64:
	case v8f32: return 8;
	case v4i8:
	case v4i16:
	case v4i32:
	case v4i64:
	case v4f32:
	case v4f64: return 4;
	case v2i8:
	case v2i16:
	case v2i32:
	case v2i64:
	case v2f32:
	case v2f64: return 2;
	case v1i64: return 1;
	}
	}

	unsigned getSizeInBits() const {
	switch (SimpleTy) {
	case iPTR:
	assert(0 && "Value type size is target-dependent. Ask TLI.");
	case iPTRAny:
	case iAny:
	case fAny:
	assert(0 && "Value type is overloaded.");
	default:
	assert(0 && "getSizeInBits called on extended MVT.");
	case i1 : return 1;
	case i8 : return 8;
	case i16 :
	case v2i8: return 16;
	case f32 :
	case i32 :
	case v4i8:
	case v2i16: return 32;
	case x86mmx:
	case f64 :
	case i64 :
	case v8i8:
	case v4i16:
	case v2i32:
	case v1i64:
	case v2f32: return 64;
	case f80 : return 80;
	case f128:
	case ppcf128:
	case i128:
	case v16i8:
	case v8i16:
	case v4i32:
	case v2i64:
	case v4f32:
	case v2f64: return 128;
	case v32i8:
	case v16i16:
	case v8i32:
	case v4i64:
	case v8f32:
	case v4f64: return 256;
	case v8i64: return 512;
	}
	}

	/// getStoreSize - Return the number of bytes overwritten by a store
	/// of the specified value type.
	unsigned getStoreSize() const {
	return (getSizeInBits() + 7) / 8;
	}

	/// getStoreSizeInBits - Return the number of bits overwritten by a store
	/// of the specified value type.
	unsigned getStoreSizeInBits() const {
	return getStoreSize() * 8;
	}

	static MVT getFloatingPointVT(unsigned BitWidth) {
	switch (BitWidth) {
	default:
	assert(false && "Bad bit width!");
	case 32:
	return MVT::f32;
	case 64:
	return MVT::f64;
	case 80:
	return MVT::f80;
	case 128:
	return MVT::f128;
	}
	}

	static MVT getIntegerVT(unsigned BitWidth) {
	switch (BitWidth) {
	default:
	return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
	case 1:
	return MVT::i1;
	case 8:
	return MVT::i8;
	case 16:
	return MVT::i16;
	case 32:
	return MVT::i32;
	case 64:
	return MVT::i64;
	case 128:
	return MVT::i128;
	}
	}

	static MVT getVectorVT(MVT VT, unsigned NumElements) {
	switch (VT.SimpleTy) {
	default:
	break;
	case MVT::i8:
	if (NumElements == 2) return MVT::v2i8;
	if (NumElements == 4) return MVT::v4i8;
	if (NumElements == 8) return MVT::v8i8;
	if (NumElements == 16) return MVT::v16i8;
	if (NumElements == 32) return MVT::v32i8;
	break;
	case MVT::i16:
	if (NumElements == 2) return MVT::v2i16;
	if (NumElements == 4) return MVT::v4i16;
	if (NumElements == 8) return MVT::v8i16;
	if (NumElements == 16) return MVT::v16i16;
	break;
	case MVT::i32:
	if (NumElements == 2) return MVT::v2i32;
	if (NumElements == 4) return MVT::v4i32;
	if (NumElements == 8) return MVT::v8i32;
	break;
	case MVT::i64:
	if (NumElements == 1) return MVT::v1i64;
	if (NumElements == 2) return MVT::v2i64;
	if (NumElements == 4) return MVT::v4i64;
	if (NumElements == 8) return MVT::v8i64;
	break;
	case MVT::f32:
	if (NumElements == 2) return MVT::v2f32;
	if (NumElements == 4) return MVT::v4f32;
	if (NumElements == 8) return MVT::v8f32;
	break;
	case MVT::f64:
	if (NumElements == 2) return MVT::v2f64;
	if (NumElements == 4) return MVT::v4f64;
	break;
	}
	return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
	}
	};


	/// EVT - Extended Value Type. Capable of holding value types which are not
	/// native for any processor (such as the i12345 type), as well as the types
	/// a MVT can represent.
	struct EVT {
	private:
	MVT V;
	Type *LLVMTy;

	public:
	EVT() : V((MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE)),
	LLVMTy(0) {}
	EVT(MVT::SimpleValueType SVT) : V(SVT), LLVMTy(0) { }
	EVT(MVT S) : V(S), LLVMTy(0) {}

	bool operator==(EVT VT) const {
	return !(*this != VT);
	}
	bool operator!=(EVT VT) const {
	if (V.SimpleTy != VT.V.SimpleTy)
	return true;
	if (V.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
	return LLVMTy != VT.LLVMTy;
	return false;
	}

	/// getFloatingPointVT - Returns the EVT that represents a floating point
	/// type with the given number of bits. There are two floating point types
	/// with 128 bits - this returns f128 rather than ppcf128.
	static EVT getFloatingPointVT(unsigned BitWidth) {
	return MVT::getFloatingPointVT(BitWidth);
	}

	/// getIntegerVT - Returns the EVT that represents an integer with the given
	/// number of bits.
	static EVT getIntegerVT(LLVMContext &Context, unsigned BitWidth) {
	MVT M = MVT::getIntegerVT(BitWidth);
	if (M.SimpleTy != MVT::INVALID_SIMPLE_VALUE_TYPE)
	return M;
	return getExtendedIntegerVT(Context, BitWidth);
	}

	/// getVectorVT - Returns the EVT that represents a vector NumElements in
	/// length, where each element is of type VT.
	static EVT getVectorVT(LLVMContext &Context, EVT VT, unsigned NumElements) {
	MVT M = MVT::getVectorVT(VT.V, NumElements);
	if (M.SimpleTy != MVT::INVALID_SIMPLE_VALUE_TYPE)
	return M;
	return getExtendedVectorVT(Context, VT, NumElements);
	}

	/// getIntVectorWithNumElements - Return any integer vector type that has
	/// the specified number of elements.
	static EVT getIntVectorWithNumElements(LLVMContext &C, unsigned NumElts) {
	switch (NumElts) {
	default: return getVectorVT(C, MVT::i8, NumElts);
	case 1: return MVT::v1i64;
	case 2: return MVT::v2i32;
	case 4: return MVT::v4i16;
	case 8: return MVT::v8i8;
	case 16: return MVT::v16i8;
	}
	return MVT::INVALID_SIMPLE_VALUE_TYPE;
	}

	/// changeVectorElementTypeToInteger - Return a vector with the same number
	/// of elements as this vector, but with the element type converted to an
	/// integer type with the same bitwidth.
	EVT changeVectorElementTypeToInteger() const {
	if (!isSimple())
	return changeExtendedVectorElementTypeToInteger();
	MVT EltTy = getSimpleVT().getVectorElementType();
	unsigned BitWidth = EltTy.getSizeInBits();
	MVT IntTy = MVT::getIntegerVT(BitWidth);
	MVT VecTy = MVT::getVectorVT(IntTy, getVectorNumElements());
	assert(VecTy != MVT::INVALID_SIMPLE_VALUE_TYPE &&
	"Simple vector VT not representable by simple integer vector VT!");
	return VecTy;
	}

	/// isSimple - Test if the given EVT is simple (as opposed to being
	/// extended).
	bool isSimple() const {
	return V.SimpleTy <= MVT::LastSimpleValueType;
	}

	/// isExtended - Test if the given EVT is extended (as opposed to
	/// being simple).
	bool isExtended() const {
	return !isSimple();
	}

	/// isFloatingPoint - Return true if this is a FP, or a vector FP type.
	bool isFloatingPoint() const {
	return isSimple() ? V.isFloatingPoint() : isExtendedFloatingPoint();
	}

	/// isInteger - Return true if this is an integer, or a vector integer type.
	bool isInteger() const {
	return isSimple() ? V.isInteger() : isExtendedInteger();
	}

	/// isVector - Return true if this is a vector value type.
	bool isVector() const {
	return isSimple() ? V.isVector() : isExtendedVector();
	}

	/// is64BitVector - Return true if this is a 64-bit vector type.
	bool is64BitVector() const {
	if (!isSimple())
	return isExtended64BitVector();

	return (V == MVT::v8i8 \|\| V==MVT::v4i16 \|\| V==MVT::v2i32 \|\|
	V == MVT::v1i64 \|\| V==MVT::v2f32);
	}

	/// is128BitVector - Return true if this is a 128-bit vector type.
	bool is128BitVector() const {
	if (!isSimple())
	return isExtended128BitVector();
	return (V==MVT::v16i8 \|\| V==MVT::v8i16 \|\| V==MVT::v4i32 \|\|
	V==MVT::v2i64 \|\| V==MVT::v4f32 \|\| V==MVT::v2f64);
	}

	/// is256BitVector - Return true if this is a 256-bit vector type.
	inline bool is256BitVector() const {
	if (!isSimple())
	return isExtended256BitVector();
	return (V == MVT::v8f32 \|\| V == MVT::v4f64 \|\| V == MVT::v32i8 \|\|
	V == MVT::v16i16 \|\| V == MVT::v8i32 \|\| V == MVT::v4i64);
	}

	/// is512BitVector - Return true if this is a 512-bit vector type.
	inline bool is512BitVector() const {
	return isSimple() ? (V == MVT::v8i64) : isExtended512BitVector();
	}

	/// isOverloaded - Return true if this is an overloaded type for TableGen.
	bool isOverloaded() const {
	return (V==MVT::iAny \|\| V==MVT::fAny \|\| V==MVT::vAny \|\| V==MVT::iPTRAny);
	}

	/// isByteSized - Return true if the bit size is a multiple of 8.
	bool isByteSized() const {
	return (getSizeInBits() & 7) == 0;
	}

	/// isRound - Return true if the size is a power-of-two number of bytes.
	bool isRound() const {
	unsigned BitSize = getSizeInBits();
	return BitSize >= 8 && !(BitSize & (BitSize - 1));
	}

	/// bitsEq - Return true if this has the same number of bits as VT.
	bool bitsEq(EVT VT) const {
	if (EVT::operator==(VT)) return true;
	return getSizeInBits() == VT.getSizeInBits();
	}

	/// bitsGT - Return true if this has more bits than VT.
	bool bitsGT(EVT VT) const {
	if (EVT::operator==(VT)) return false;
	return getSizeInBits() > VT.getSizeInBits();
	}

	/// bitsGE - Return true if this has no less bits than VT.
	bool bitsGE(EVT VT) const {
	if (EVT::operator==(VT)) return true;
	return getSizeInBits() >= VT.getSizeInBits();
	}

	/// bitsLT - Return true if this has less bits than VT.
	bool bitsLT(EVT VT) const {
	if (EVT::operator==(VT)) return false;
	return getSizeInBits() < VT.getSizeInBits();
	}

	/// bitsLE - Return true if this has no more bits than VT.
	bool bitsLE(EVT VT) const {
	if (EVT::operator==(VT)) return true;
	return getSizeInBits() <= VT.getSizeInBits();
	}


	/// getSimpleVT - Return the SimpleValueType held in the specified
	/// simple EVT.
	MVT getSimpleVT() const {
	assert(isSimple() && "Expected a SimpleValueType!");
	return V;
	}

	/// getScalarType - If this is a vector type, return the element type,
	/// otherwise return this.
	EVT getScalarType() const {
	return isVector() ? getVectorElementType() : *this;
	}

	/// getVectorElementType - Given a vector type, return the type of
	/// each element.
	EVT getVectorElementType() const {
	assert(isVector() && "Invalid vector type!");
	if (isSimple())
	return V.getVectorElementType();
	return getExtendedVectorElementType();
	}

	/// getVectorNumElements - Given a vector type, return the number of
	/// elements it contains.
	unsigned getVectorNumElements() const {
	assert(isVector() && "Invalid vector type!");
	if (isSimple())
	return V.getVectorNumElements();
	return getExtendedVectorNumElements();
	}

	/// getSizeInBits - Return the size of the specified value type in bits.
	unsigned getSizeInBits() const {
	if (isSimple())
	return V.getSizeInBits();
	return getExtendedSizeInBits();
	}

	/// getStoreSize - Return the number of bytes overwritten by a store
	/// of the specified value type.
	unsigned getStoreSize() const {
	return (getSizeInBits() + 7) / 8;
	}

	/// getStoreSizeInBits - Return the number of bits overwritten by a store
	/// of the specified value type.
	unsigned getStoreSizeInBits() const {
	return getStoreSize() * 8;
	}

	/// getRoundIntegerType - Rounds the bit-width of the given integer EVT up
	/// to the nearest power of two (and at least to eight), and returns the
	/// integer EVT with that number of bits.
	EVT getRoundIntegerType(LLVMContext &Context) const {
	assert(isInteger() && !isVector() && "Invalid integer type!");
	unsigned BitWidth = getSizeInBits();
	if (BitWidth <= 8)
	return EVT(MVT::i8);
	return getIntegerVT(Context, 1 << Log2_32_Ceil(BitWidth));
	}

	/// getHalfSizedIntegerVT - Finds the smallest simple value type that is
	/// greater than or equal to half the width of this EVT. If no simple
	/// value type can be found, an extended integer value type of half the
	/// size (rounded up) is returned.
	EVT getHalfSizedIntegerVT(LLVMContext &Context) const {
	assert(isInteger() && !isVector() && "Invalid integer type!");
	unsigned EVTSize = getSizeInBits();
	for (unsigned IntVT = MVT::FIRST_INTEGER_VALUETYPE;
	IntVT <= MVT::LAST_INTEGER_VALUETYPE; ++IntVT) {
	EVT HalfVT = EVT((MVT::SimpleValueType)IntVT);
	if (HalfVT.getSizeInBits() * 2 >= EVTSize)
	return HalfVT;
	}
	return getIntegerVT(Context, (EVTSize + 1) / 2);
	}

	/// isPow2VectorType - Returns true if the given vector is a power of 2.
	bool isPow2VectorType() const {
	unsigned NElts = getVectorNumElements();
	return !(NElts & (NElts - 1));
	}

	/// getPow2VectorType - Widens the length of the given vector EVT up to
	/// the nearest power of 2 and returns that type.
	EVT getPow2VectorType(LLVMContext &Context) const {
	if (!isPow2VectorType()) {
	unsigned NElts = getVectorNumElements();
	unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts);
	return EVT::getVectorVT(Context, getVectorElementType(), Pow2NElts);
	}
	else {
	return *this;
	}
	}

	/// getEVTString - This function returns value type as a string,
	/// e.g. "i32".
	std::string getEVTString() const;

	/// getTypeForEVT - This method returns an LLVM type corresponding to the
	/// specified EVT. For integer types, this returns an unsigned type. Note
	/// that this will abort for types that cannot be represented.
	Type *getTypeForEVT(LLVMContext &Context) const;

	/// getEVT - Return the value type corresponding to the specified type.
	/// This returns all pointers as iPTR. If HandleUnknown is true, unknown
	/// types are returned as Other, otherwise they are invalid.
	static EVT getEVT(Type *Ty, bool HandleUnknown = false);

	intptr_t getRawBits() {
	if (isSimple())
	return V.SimpleTy;
	else
	return (intptr_t)(LLVMTy);
	}

	/// compareRawBits - A meaningless but well-behaved order, useful for
	/// constructing containers.
	struct compareRawBits {
	bool operator()(EVT L, EVT R) const {
	if (L.V.SimpleTy == R.V.SimpleTy)
	return L.LLVMTy < R.LLVMTy;
	else
	return L.V.SimpleTy < R.V.SimpleTy;
	}
	};

	private:
	// Methods for handling the Extended-type case in functions above.
	// These are all out-of-line to prevent users of this header file
	// from having a dependency on Type.h.
	EVT changeExtendedVectorElementTypeToInteger() const;
	static EVT getExtendedIntegerVT(LLVMContext &C, unsigned BitWidth);
	static EVT getExtendedVectorVT(LLVMContext &C, EVT VT,
	unsigned NumElements);
	bool isExtendedFloatingPoint() const;
	bool isExtendedInteger() const;
	bool isExtendedVector() const;
	bool isExtended64BitVector() const;
	bool isExtended128BitVector() const;
	bool isExtended256BitVector() const;
	bool isExtended512BitVector() const;
	EVT getExtendedVectorElementType() const;
	unsigned getExtendedVectorNumElements() const;
	unsigned getExtendedSizeInBits() const;
	};

	} // End llvm namespace

	#endif