X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=include%2Fllvm%2FCodeGen%2FValueTypes.h;h=45ef9b9304aa4fc9b432ca2d06e2e983ea4a8403;hb=8b67f774e9c38b7718b2b300b628388f966df4e0;hp=1469f8193fbaa7d4ea008704058d8e133aeb4956;hpb=83ec4b6711980242ef3c55a4fa36b2d7a39c1bfb;p=oota-llvm.git diff --git a/include/llvm/CodeGen/ValueTypes.h b/include/llvm/CodeGen/ValueTypes.h index 1469f8193fb..45ef9b9304a 100644 --- a/include/llvm/CodeGen/ValueTypes.h +++ b/include/llvm/CodeGen/ValueTypes.h @@ -18,17 +18,19 @@ #include #include -#include "llvm/Support/DataTypes.h" +#include "llvm/System/DataTypes.h" #include "llvm/Support/MathExtras.h" namespace llvm { class Type; + class LLVMContext; + struct EVT; - struct MVT { // MVT = Machine Value Type - + class MVT { // MVT = Machine Value Type + public: enum SimpleValueType { // If you change this numbering, you must change the values in - // ValueTypes.td well! + // 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 @@ -49,363 +51,598 @@ namespace llvm { isVoid = 13, // This has no value - v8i8 = 14, // 8 x i8 - v4i16 = 15, // 4 x i16 - v2i32 = 16, // 2 x i32 - v1i64 = 17, // 1 x i64 - v16i8 = 18, // 16 x i8 - v8i16 = 19, // 8 x i16 - v3i32 = 20, // 3 x i32 - v4i32 = 21, // 4 x i32 - v2i64 = 22, // 2 x i64 - - v2f32 = 23, // 2 x f32 - v3f32 = 24, // 3 x f32 - v4f32 = 25, // 4 x f32 - v2f64 = 26, // 2 x f64 - - FIRST_VECTOR_VALUETYPE = v8i8, - LAST_VECTOR_VALUETYPE = v2f64, - - LAST_VALUETYPE = 27, // This always remains at the end of the list. + v2i8 = 14, // 2 x i8 + v4i8 = 15, // 4 x i8 + v8i8 = 16, // 8 x i8 + v16i8 = 17, // 16 x i8 + v32i8 = 18, // 32 x i8 + v2i16 = 19, // 2 x i16 + v4i16 = 20, // 4 x i16 + v8i16 = 21, // 8 x i16 + v16i16 = 22, // 16 x i16 + v2i32 = 23, // 2 x i32 + v4i32 = 24, // 4 x i32 + v8i32 = 25, // 8 x i32 + v1i64 = 26, // 1 x i64 + v2i64 = 27, // 2 x i64 + v4i64 = 28, // 4 x i64 + + v2f32 = 29, // 2 x f32 + v4f32 = 30, // 4 x f32 + v8f32 = 31, // 8 x f32 + v2f64 = 32, // 2 x f64 + v4f64 = 33, // 4 x f64 + + FIRST_VECTOR_VALUETYPE = v2i8, + LAST_VECTOR_VALUETYPE = v4f64, + + LAST_VALUETYPE = 34, // This always remains at the end of the list. + + // This is the current maximum for LAST_VALUETYPE. + // EVT::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, + 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, + 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 + 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 }; - /// MVT - This type holds low-level value types. Valid values include any of - /// the values in the SimpleValueType enum, or any value returned from one - /// of the MVT methods. Any value type equal to one of the SimpleValueType - /// enum values is a "simple" value type. All others are "extended". - /// - /// Note that simple doesn't necessary mean legal for the target machine. - /// All legal value types must be simple, but often there are some simple - /// value types that are not legal. - /// - /// @internal - /// Extended types are either vector types or arbitrary precision integers. - /// Arbitrary precision integers have iAny in the first SimpleTypeBits bits, - /// and the bit-width in the next PrecisionBits bits, offset by minus one. - /// Vector types are encoded by having the first SimpleTypeBits+PrecisionBits - /// bits encode the vector element type (which must be a scalar type, possibly - /// an arbitrary precision integer) and the remaining VectorBits upper bits - /// encode the vector length, offset by one. - /// - /// 31--------------16-----------8-------------0 - /// | Vector length | Precision | Simple type | - /// | | Vector element | - /// - - static const int SimpleTypeBits = 8; - static const int PrecisionBits = 8; - static const int VectorBits = 32 - SimpleTypeBits - PrecisionBits; - - static const uint32_t SimpleTypeMask = - (~uint32_t(0) << (32 - SimpleTypeBits)) >> (32 - SimpleTypeBits); - - static const uint32_t PrecisionMask = - ((~uint32_t(0) << VectorBits) >> (32 - PrecisionBits)) << SimpleTypeBits; - - static const uint32_t VectorMask = - (~uint32_t(0) >> (32 - VectorBits)) << (32 - VectorBits); - - static const uint32_t ElementMask = - (~uint32_t(0) << VectorBits) >> VectorBits; - - uint32_t V; - - MVT() {} - MVT(SimpleValueType S) { V = S; } - inline bool operator== (const MVT VT) const { return V == VT.V; } - inline bool operator!= (const MVT VT) const { return V != VT.V; } - - /// FIXME: The following comparison methods are bogus - they are only here - /// to ease the transition to a struct type. - inline bool operator< (const MVT VT) const { return V < VT.V; } - inline bool operator<= (const MVT VT) const { return V <= VT.V; } - inline bool operator> (const MVT VT) const { return V > VT.V; } - inline bool operator>= (const MVT VT) const { return V >= VT.V; } - - /// getIntegerVT - Returns the MVT that represents an integer with the given - /// number of bits. - static inline MVT getIntegerVT(unsigned BitWidth) { + 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; } + + /// 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::v4i64)); + } + + /// 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 - Retuns 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. + MVT getPow2VectorType() const { + if (!isPow2VectorType()) { + unsigned NElts = getVectorNumElements(); + unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts); + return MVT::getVectorVT(getVectorElementType(), Pow2NElts); + } + else { + return *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: 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 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 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; + } + } + + static MVT getFloatingPointVT(unsigned BitWidth) { switch (BitWidth) { default: - break; + 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 i1; + return MVT::i1; case 8: - return i8; + return MVT::i8; case 16: - return i16; + return MVT::i16; case 32: - return i32; + return MVT::i32; case 64: - return i64; + return MVT::i64; case 128: - return i128; + return MVT::i128; } - MVT VT; - VT.V = iAny | (((BitWidth - 1) << SimpleTypeBits) & PrecisionMask); - assert(VT.getSizeInBits() == BitWidth && "Bad bit width!"); - return VT; } - - /// getVectorVT - Returns the MVT that represents a vector NumElements in - /// length, where each element is of type VT. - static inline MVT getVectorVT(MVT VT, unsigned NumElements) { - switch (VT.V) { + + static MVT getVectorVT(MVT VT, unsigned NumElements) { + switch (VT.SimpleTy) { default: break; - case i8: - if (NumElements == 8) return v8i8; - if (NumElements == 16) return v16i8; + 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 i16: - if (NumElements == 4) return v4i16; - if (NumElements == 8) return v8i16; + 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 i32: - if (NumElements == 2) return v2i32; - if (NumElements == 3) return v3i32; - if (NumElements == 4) return v4i32; + case MVT::i32: + if (NumElements == 2) return MVT::v2i32; + if (NumElements == 4) return MVT::v4i32; + if (NumElements == 8) return MVT::v8i32; break; - case i64: - if (NumElements == 1) return v1i64; - if (NumElements == 2) return v2i64; + case MVT::i64: + if (NumElements == 1) return MVT::v1i64; + if (NumElements == 2) return MVT::v2i64; + if (NumElements == 4) return MVT::v4i64; break; - case f32: - if (NumElements == 2) return v2f32; - if (NumElements == 3) return v3f32; - if (NumElements == 4) return v4f32; + case MVT::f32: + if (NumElements == 2) return MVT::v2f32; + if (NumElements == 4) return MVT::v4f32; + if (NumElements == 8) return MVT::v8f32; break; - case f64: - if (NumElements == 2) return v2f64; + case MVT::f64: + if (NumElements == 2) return MVT::v2f64; + if (NumElements == 4) return MVT::v4f64; break; } - // Set the length with the top bit forced to zero (needed by the verifier). - MVT Result; - Result.V = VT.V | (((NumElements + 1) << (33 - VectorBits)) >> 1); - assert(Result.getVectorElementType() == VT && - "Bad vector element type!"); - assert(Result.getVectorNumElements() == NumElements && - "Bad vector length!"); - return Result; + return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE); } - - /// getIntVectorWithNumElements - Return any integer vector type that has - /// the specified number of elements. - static inline MVT getIntVectorWithNumElements(unsigned NumElts) { + + static MVT getIntVectorWithNumElements(unsigned NumElts) { switch (NumElts) { - default: return getVectorVT(i8, NumElts); - case 1: return v1i64; - case 2: return v2i32; - case 3: return v3i32; - case 4: return v4i16; - case 8: return v8i8; - case 16: return v16i8; + default: return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE); + 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; + } + } + }; + + struct EVT { // EVT = Extended Value Type + private: + MVT V; + const 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==(const EVT VT) const { + if (V.SimpleTy == VT.V.SimpleTy) { + if (V.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE) + return LLVMTy == VT.LLVMTy; + return true; } + return false; + } + bool operator!=(const EVT VT) const { + if (V.SimpleTy == VT.V.SimpleTy) { + if (V.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE) + return LLVMTy != VT.LLVMTy; + return false; + } + return true; + } + + /// 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 getExtendedIntegerVT(Context, BitWidth); + else + return M; + } + + /// 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 getExtendedVectorVT(Context, VT, NumElements); + else + return M; } + /// getIntVectorWithNumElements - Return any integer vector type that has + /// the specified number of elements. + static EVT getIntVectorWithNumElements(LLVMContext &C, unsigned NumElts) { + MVT M = MVT::getIntVectorWithNumElements(NumElts); + if (M.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE) + return getVectorVT(C, MVT::i8, NumElts); + else + return M; + } - /// isSimple - Test if the given MVT is simple (as opposed to being + /// isSimple - Test if the given EVT is simple (as opposed to being /// extended). - inline bool isSimple() const { - return V <= SimpleTypeMask; + bool isSimple() const { + return V.SimpleTy <= MVT::LastSimpleValueType; } - /// isExtended - Test if the given MVT is extended (as opposed to + /// isExtended - Test if the given EVT is extended (as opposed to /// being simple). - inline bool isExtended() const { + bool isExtended() const { return !isSimple(); } /// isFloatingPoint - Return true if this is a FP, or a vector FP type. - inline bool isFloatingPoint() const { - uint32_t SVT = V & SimpleTypeMask; - return (SVT >= f32 && SVT <= ppcf128) || (SVT >= v2f32 && SVT <= v2f64); + bool isFloatingPoint() const { + return isSimple() ? + ((V >= MVT::f32 && V <= MVT::ppcf128) || + (V >= MVT::v2f32 && V <= MVT::v4f64)) : isExtendedFloatingPoint(); } /// isInteger - Return true if this is an integer, or a vector integer type. - inline bool isInteger() const { - uint32_t SVT = V & SimpleTypeMask; - return (SVT >= FIRST_INTEGER_VALUETYPE && SVT <= LAST_INTEGER_VALUETYPE) || - (SVT >= v8i8 && SVT <= v2i64) || (SVT == iAny && (V & PrecisionMask)); + bool isInteger() const { + return isSimple() ? + ((V >= MVT::FIRST_INTEGER_VALUETYPE && + V <= MVT::LAST_INTEGER_VALUETYPE) || + (V >= MVT::v2i8 && V <= MVT::v4i64)) : isExtendedInteger(); } /// isVector - Return true if this is a vector value type. - inline bool isVector() const { - return (V >= FIRST_VECTOR_VALUETYPE && V <= LAST_VECTOR_VALUETYPE) || - (V & VectorMask); + bool isVector() const { + return isSimple() ? + (V >= MVT::FIRST_VECTOR_VALUETYPE && V <= + MVT::LAST_VECTOR_VALUETYPE) : + isExtendedVector(); } /// is64BitVector - Return true if this is a 64-bit vector type. - inline bool is64BitVector() const { - return (V==v8i8 || V==v4i16 || V==v2i32 || V==v1i64 || V==v2f32 || - (isExtended() && isVector() && getSizeInBits()==64)); + bool is64BitVector() const { + return isSimple() ? + (V==MVT::v8i8 || V==MVT::v4i16 || V==MVT::v2i32 || + V==MVT::v1i64 || V==MVT::v2f32) : + isExtended64BitVector(); } /// is128BitVector - Return true if this is a 128-bit vector type. - inline bool is128BitVector() const { - return (V==v16i8 || V==v8i16 || V==v4i32 || V==v2i64 || - V==v4f32 || V==v2f64 || - (isExtended() && isVector() && getSizeInBits()==128)); + bool is128BitVector() const { + return isSimple() ? + (V==MVT::v16i8 || V==MVT::v8i16 || V==MVT::v4i32 || + V==MVT::v2i64 || V==MVT::v4f32 || V==MVT::v2f64) : + isExtended128BitVector(); + } + + /// is256BitVector - Return true if this is a 256-bit vector type. + inline bool is256BitVector() const { + return isSimple() ? + (V==MVT::v8f32 || V==MVT::v4f64 || V==MVT::v32i8 || + V==MVT::v16i16 || V==MVT::v8i32 || V==MVT::v4i64) : + isExtended256BitVector(); + } + + /// 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 { + return getSizeInBits() == VT.getSizeInBits(); + } + + /// bitsGT - Return true if this has more bits than VT. + bool bitsGT(EVT VT) const { + return getSizeInBits() > VT.getSizeInBits(); + } + + /// bitsGE - Return true if this has no less bits than VT. + bool bitsGE(EVT VT) const { + return getSizeInBits() >= VT.getSizeInBits(); + } + + /// bitsLT - Return true if this has less bits than VT. + bool bitsLT(EVT VT) const { + return getSizeInBits() < VT.getSizeInBits(); + } + + /// bitsLE - Return true if this has no more bits than VT. + bool bitsLE(EVT VT) const { + return getSizeInBits() <= VT.getSizeInBits(); } /// getSimpleVT - Return the SimpleValueType held in the specified - /// simple MVT. - inline SimpleValueType getSimpleVT() const { + /// simple EVT. + MVT getSimpleVT() const { assert(isSimple() && "Expected a SimpleValueType!"); - return (SimpleValueType)V; + return V; } /// getVectorElementType - Given a vector type, return the type of /// each element. - inline MVT getVectorElementType() const { + EVT getVectorElementType() const { assert(isVector() && "Invalid vector type!"); - switch (V) { - default: { - assert(isExtended() && "Unknown simple vector type!"); - MVT VT; - VT.V = V & ElementMask; - return VT; - } - case v8i8 : - case v16i8: return i8; - case v4i16: - case v8i16: return i16; - case v2i32: - case v3i32: - case v4i32: return i32; - case v1i64: - case v2i64: return i64; - case v2f32: - case v3f32: - case v4f32: return f32; - case v2f64: return f64; - } + if (isSimple()) + return V.getVectorElementType(); + else + return getExtendedVectorElementType(); } /// getVectorNumElements - Given a vector type, return the number of /// elements it contains. - inline unsigned getVectorNumElements() const { + unsigned getVectorNumElements() const { assert(isVector() && "Invalid vector type!"); - switch (V) { - default: - assert(isExtended() && "Unknown simple vector type!"); - return ((V & VectorMask) >> (32 - VectorBits)) - 1; - case v16i8: return 16; - case v8i8 : - case v8i16: return 8; - case v4i16: - case v4i32: - case v4f32: return 4; - case v3i32: - case v3f32: return 3; - case v2i32: - case v2i64: - case v2f32: - case v2f64: return 2; - case v1i64: return 1; - } + if (isSimple()) + return V.getVectorNumElements(); + else + return getExtendedVectorNumElements(); } /// getSizeInBits - Return the size of the specified value type in bits. - inline unsigned getSizeInBits() const { - switch (V) { - default: - assert(isExtended() && "MVT has no known size!"); - if (isVector()) - return getVectorElementType().getSizeInBits()*getVectorNumElements(); - if (isInteger()) - return ((V & PrecisionMask) >> SimpleTypeBits) + 1; - assert(false && "Unknown value type!"); - return 0; - case i1 : return 1; - case i8 : return 8; - case i16 : return 16; - case f32 : - case i32 : return 32; - case f64 : - case i64 : - case v8i8: - case v4i16: - case v2i32: - case v1i64: - case v2f32: return 64; - case f80 : return 80; - case v3i32: - case v3f32: return 96; - case f128: - case ppcf128: - case i128: - case v16i8: - case v8i16: - case v4i32: - case v2i64: - case v4f32: - case v2f64: return 128; - } + unsigned getSizeInBits() const { + if (isSimple()) + return V.getSizeInBits(); + else + 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. - inline unsigned getStoreSizeInBits() const { - return (getSizeInBits() + 7)/8*8; + unsigned getStoreSizeInBits() const { + return getStoreSize() * 8; } - /// getRoundIntegerType - Rounds the bit-width of the given integer MVT up + /// 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 MVT with that number of bits. - inline MVT getRoundIntegerType() const { + /// 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 i8; + return EVT(MVT::i8); else - return getIntegerVT(1 << Log2_32_Ceil(BitWidth)); + return getIntegerVT(Context, 1 << Log2_32_Ceil(BitWidth)); } - /// getIntegerVTBitMask - Return an integer with 1's every place there are - /// bits in the specified integer value type. FIXME: Should return an apint. - inline uint64_t getIntegerVTBitMask() const { - assert(isInteger() && !isVector() && "Only applies to int scalars!"); - return ~uint64_t(0UL) >> (64-getSizeInBits()); + /// isPow2VectorType - Retuns true if the given vector is a power of 2. + bool isPow2VectorType() const { + unsigned NElts = getVectorNumElements(); + return !(NElts & (NElts - 1)); } - /// getIntegerVTSignBit - Return an integer with a 1 in the position of the - /// sign bit for the specified integer value type. FIXME: Should return an - /// apint. - inline uint64_t getIntegerVTSignBit() const { - assert(isInteger() && !isVector() && "Only applies to int scalars!"); - return uint64_t(1UL) << (getSizeInBits()-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; + } } - /// getMVTString - This function returns value type as a string, + /// getEVTString - This function returns value type as a string, /// e.g. "i32". - std::string getMVTString() const; + std::string getEVTString() const; - /// getTypeForMVT - This method returns an LLVM type corresponding to the - /// specified MVT. For integer types, this returns an unsigned type. Note + /// 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. - const Type *getTypeForMVT() const; + const Type *getTypeForEVT(LLVMContext &Context) const; - /// getMVT - Return the value type corresponding to the specified type. + /// 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 MVT getMVT(const Type *Ty, bool HandleUnknown = false); + static EVT getEVT(const Type *Ty, bool HandleUnknown = false); + + intptr_t getRawBits() { + if (V.SimpleTy <= MVT::LastSimpleValueType) + 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. + 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; + EVT getExtendedVectorElementType() const; + unsigned getExtendedVectorNumElements() const; + unsigned getExtendedSizeInBits() const; }; } // End llvm namespace