| //===- 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 |