X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FCodeGen%2FValueTypes.h;h=240199291ae9dc55bd083309311413492d072933;hb=69261a644298bff1497d46c8cd38d688670f307b;hp=7ba657205e23aa2235f9f1328075475c36cd75f2;hpb=48b2f3e4850cd27d54224cd42da8a160d6b95984;p=oota-llvm.git diff --git a/include/llvm/CodeGen/ValueTypes.h b/include/llvm/CodeGen/ValueTypes.h index 7ba657205e2..240199291ae 100644 --- a/include/llvm/CodeGen/ValueTypes.h +++ b/include/llvm/CodeGen/ValueTypes.h @@ -16,16 +16,21 @@ #ifndef LLVM_CODEGEN_VALUETYPES_H #define LLVM_CODEGEN_VALUETYPES_H -#include -#include #include "llvm/Support/DataTypes.h" +#include "llvm/Support/ErrorHandling.h" #include "llvm/Support/MathExtras.h" +#include +#include namespace llvm { class Type; - struct LLVMContext; + class LLVMContext; + struct EVT; - struct MVT { // MVT = Machine Value Type + /// 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 @@ -41,41 +46,66 @@ namespace llvm { 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 - Flag = 12, // This is a condition code or machine flag. - - isVoid = 13, // This has no value - - 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, + f16 = 7, // This is a 16 bit floating point value + f32 = 8, // This is a 32 bit floating point value + f64 = 9, // This is a 64 bit floating point value + f80 = 10, // This is a 80 bit floating point value + f128 = 11, // This is a 128 bit floating point value + ppcf128 = 12, // This is a PPC 128-bit floating point value + + FIRST_FP_VALUETYPE = f16, + LAST_FP_VALUETYPE = ppcf128, + + v2i1 = 13, // 2 x i1 + v4i1 = 14, // 4 x i1 + v8i1 = 15, // 8 x i1 + v16i1 = 16, // 16 x i1 + v2i8 = 17, // 2 x i8 + v4i8 = 18, // 4 x i8 + v8i8 = 19, // 8 x i8 + v16i8 = 20, // 16 x i8 + v32i8 = 21, // 32 x i8 + v1i16 = 22, // 1 x i16 + v2i16 = 23, // 2 x i16 + v4i16 = 24, // 4 x i16 + v8i16 = 25, // 8 x i16 + v16i16 = 26, // 16 x i16 + v1i32 = 27, // 1 x i32 + v2i32 = 28, // 2 x i32 + v4i32 = 29, // 4 x i32 + v8i32 = 30, // 8 x i32 + v16i32 = 31, // 16 x i32 + v1i64 = 32, // 1 x i64 + v2i64 = 33, // 2 x i64 + v4i64 = 34, // 4 x i64 + v8i64 = 35, // 8 x i64 + v16i64 = 36, // 16 x i64 + + v2f16 = 37, // 2 x f16 + v2f32 = 38, // 2 x f32 + v4f32 = 39, // 4 x f32 + v8f32 = 40, // 8 x f32 + v2f64 = 41, // 2 x f64 + v4f64 = 42, // 4 x f64 + + FIRST_VECTOR_VALUETYPE = v2i1, LAST_VECTOR_VALUETYPE = v4f64, + FIRST_INTEGER_VECTOR_VALUETYPE = v2i1, + LAST_INTEGER_VECTOR_VALUETYPE = v16i64, + FIRST_FP_VECTOR_VALUETYPE = v2f16, + LAST_FP_VECTOR_VALUETYPE = v4f64, + + x86mmx = 43, // This is an X86 MMX value - LAST_VALUETYPE = 34, // This always remains at the end of the list. + Glue = 44, // This glues nodes together during pre-RA sched + + isVoid = 45, // This has no value + + Untyped = 46, // This value takes a register, but has + // unspecified type. The register class + // will be determined by the opcode. + + LAST_VALUETYPE = 47, // 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 @@ -83,273 +113,169 @@ namespace llvm { MAX_ALLOWED_VALUETYPE = 64, // Metadata - This is MDNode or MDString. - Metadata = 251, + 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 = 252, + 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 - }; + LastSimpleValueType = 255, - private: - /// This union 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. - /// - union { - uintptr_t V; - const Type *LLVMTy; + // INVALID_SIMPLE_VALUE_TYPE - Simple value types greater than or equal + // to this are considered extended value types. + INVALID_SIMPLE_VALUE_TYPE = LastSimpleValueType + 1 }; - public: - MVT() {} - MVT(SimpleValueType S) : V(S) {} - - bool operator==(const MVT VT) const { - return getRawBits() == VT.getRawBits(); - } - bool operator!=(const MVT VT) const { - return getRawBits() != VT.getRawBits(); - } - - /// getFloatingPointVT - Returns the MVT 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 MVT getFloatingPointVT(unsigned BitWidth) { - switch (BitWidth) { - default: - assert(false && "Bad bit width!"); - case 32: - return f32; - case 64: - return f64; - case 80: - return f80; - case 128: - return f128; - } - } - - /// getIntegerVT - Returns the MVT that represents an integer with the given - /// number of bits. - static MVT getIntegerVT(unsigned BitWidth) { - switch (BitWidth) { - default: - break; - case 1: - return i1; - case 8: - return i8; - case 16: - return i16; - case 32: - return i32; - case 64: - return i64; - case 128: - return i128; - } - return getExtendedIntegerVT(BitWidth); - } - - /// getVectorVT - Returns the MVT that represents a vector NumElements in - /// length, where each element is of type VT. - static MVT getVectorVT(MVT VT, unsigned NumElements) { - switch (VT.V) { - default: - break; - case i8: - if (NumElements == 2) return v2i8; - if (NumElements == 4) return v4i8; - if (NumElements == 8) return v8i8; - if (NumElements == 16) return v16i8; - if (NumElements == 32) return v32i8; - break; - case i16: - if (NumElements == 2) return v2i16; - if (NumElements == 4) return v4i16; - if (NumElements == 8) return v8i16; - if (NumElements == 16) return v16i16; - break; - case i32: - if (NumElements == 2) return v2i32; - if (NumElements == 4) return v4i32; - if (NumElements == 8) return v8i32; - break; - case i64: - if (NumElements == 1) return v1i64; - if (NumElements == 2) return v2i64; - if (NumElements == 4) return v4i64; - break; - case f32: - if (NumElements == 2) return v2f32; - if (NumElements == 4) return v4f32; - if (NumElements == 8) return v8f32; - break; - case f64: - if (NumElements == 2) return v2f64; - if (NumElements == 4) return v4f64; - break; - } - return getExtendedVectorVT(VT, NumElements); - } - - /// getIntVectorWithNumElements - Return any integer vector type that has - /// the specified number of elements. - static MVT getIntVectorWithNumElements(unsigned NumElts) { - switch (NumElts) { - default: return getVectorVT(i8, NumElts); - case 1: return v1i64; - case 2: return v2i32; - case 4: return v4i16; - case 8: return v8i8; - case 16: return v16i8; - } - } + SimpleValueType SimpleTy; - /// isSimple - Test if the given MVT is simple (as opposed to being - /// extended). - bool isSimple() const { - return V <= LastSimpleValueType; - } + MVT() : SimpleTy((SimpleValueType)(INVALID_SIMPLE_VALUE_TYPE)) {} + MVT(SimpleValueType SVT) : SimpleTy(SVT) { } - /// isExtended - Test if the given MVT is extended (as opposed to - /// being simple). - bool isExtended() const { - return !isSimple(); - } + 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 isSimple() ? - ((V >= f32 && V <= ppcf128) || - (V >= v2f32 && V <= v4f64)) : isExtendedFloatingPoint(); + return ((SimpleTy >= MVT::FIRST_FP_VALUETYPE && + SimpleTy <= MVT::LAST_FP_VALUETYPE) || + (SimpleTy >= MVT::FIRST_FP_VECTOR_VALUETYPE && + SimpleTy <= MVT::LAST_FP_VECTOR_VALUETYPE)); } /// isInteger - Return true if this is an integer, or a vector integer type. bool isInteger() const { - return isSimple() ? - ((V >= FIRST_INTEGER_VALUETYPE && V <= LAST_INTEGER_VALUETYPE) || - (V >= v2i8 && V <= v4i64)) : isExtendedInteger(); + return ((SimpleTy >= MVT::FIRST_INTEGER_VALUETYPE && + SimpleTy <= MVT::LAST_INTEGER_VALUETYPE) || + (SimpleTy >= MVT::FIRST_INTEGER_VECTOR_VALUETYPE && + SimpleTy <= MVT::LAST_INTEGER_VECTOR_VALUETYPE)); } /// isVector - Return true if this is a vector value type. bool isVector() const { - return isSimple() ? - (V >= FIRST_VECTOR_VALUETYPE && V <= LAST_VECTOR_VALUETYPE) : - isExtendedVector(); + return (SimpleTy >= MVT::FIRST_VECTOR_VALUETYPE && + SimpleTy <= MVT::LAST_VECTOR_VALUETYPE); + } + + /// is16BitVector - Return true if this is a 16-bit vector type. + bool is16BitVector() const { + return (SimpleTy == MVT::v2i8 || SimpleTy == MVT::v1i16 || + SimpleTy == MVT::v16i1); + } + + /// is32BitVector - Return true if this is a 32-bit vector type. + bool is32BitVector() const { + return (SimpleTy == MVT::v4i8 || SimpleTy == MVT::v2i16 || + SimpleTy == MVT::v1i32); } /// is64BitVector - Return true if this is a 64-bit vector type. bool is64BitVector() const { - return isSimple() ? - (V==v8i8 || V==v4i16 || V==v2i32 || V==v1i64 || V==v2f32) : - isExtended64BitVector(); + return (SimpleTy == MVT::v8i8 || SimpleTy == MVT::v4i16 || + SimpleTy == MVT::v2i32 || SimpleTy == MVT::v1i64 || + SimpleTy == MVT::v2f32); } /// is128BitVector - Return true if this is a 128-bit vector type. bool is128BitVector() const { - return isSimple() ? - (V==v16i8 || V==v8i16 || V==v4i32 || - V==v2i64 || V==v4f32 || V==v2f64) : - isExtended128BitVector(); + return (SimpleTy == MVT::v16i8 || SimpleTy == MVT::v8i16 || + SimpleTy == MVT::v4i32 || SimpleTy == MVT::v2i64 || + SimpleTy == MVT::v4f32 || SimpleTy == MVT::v2f64); } /// is256BitVector - Return true if this is a 256-bit vector type. - inline bool is256BitVector() const { - return isSimple() ? - (V==v8f32 || V==v4f64 || V==v32i8 || V==v16i16 || V==v8i32 || - V==v4i64) : isExtended256BitVector(); + bool is256BitVector() const { + return (SimpleTy == MVT::v8f32 || SimpleTy == MVT::v4f64 || + SimpleTy == MVT::v32i8 || SimpleTy == MVT::v16i16 || + SimpleTy == MVT::v8i32 || SimpleTy == MVT::v4i64); } - /// isByteSized - Return true if the bit size is a multiple of 8. - bool isByteSized() const { - return (getSizeInBits() & 7) == 0; + /// is512BitVector - Return true if this is a 512-bit vector type. + bool is512BitVector() const { + return (SimpleTy == MVT::v8i64 || SimpleTy == MVT::v16i32); } - /// 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(MVT VT) const { - return getSizeInBits() == VT.getSizeInBits(); - } - - /// bitsGT - Return true if this has more bits than VT. - bool bitsGT(MVT VT) const { - return getSizeInBits() > VT.getSizeInBits(); + /// is1024BitVector - Return true if this is a 1024-bit vector type. + bool is1024BitVector() const { + return (SimpleTy == MVT::v16i64); } - /// bitsGE - Return true if this has no less bits than VT. - bool bitsGE(MVT VT) const { - return getSizeInBits() >= VT.getSizeInBits(); + /// isPow2VectorType - Returns true if the given vector is a power of 2. + bool isPow2VectorType() const { + unsigned NElts = getVectorNumElements(); + return !(NElts & (NElts - 1)); } - /// bitsLT - Return true if this has less bits than VT. - bool bitsLT(MVT VT) const { - return getSizeInBits() < VT.getSizeInBits(); - } + /// 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; - /// bitsLE - Return true if this has no more bits than VT. - bool bitsLE(MVT VT) const { - return getSizeInBits() <= VT.getSizeInBits(); + unsigned NElts = getVectorNumElements(); + unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts); + return MVT::getVectorVT(getVectorElementType(), Pow2NElts); } - - /// getSimpleVT - Return the SimpleValueType held in the specified - /// simple MVT. - SimpleValueType getSimpleVT() const { - assert(isSimple() && "Expected a SimpleValueType!"); - return SimpleValueType(V); + /// getScalarType - If this is a vector type, return the element type, + /// otherwise return this. + MVT getScalarType() const { + return isVector() ? getVectorElementType() : *this; } - /// getVectorElementType - Given a vector type, return the type of - /// each element. MVT getVectorElementType() const { - assert(isVector() && "Invalid vector type!"); - switch (V) { + switch (SimpleTy) { default: - return getExtendedVectorElementType(); + llvm_unreachable("Not a vector MVT!"); + case v2i1 : + case v4i1 : + case v8i1 : + case v16i1: return i1; case v2i8 : case v4i8 : case v8i8 : case v16i8: case v32i8: return i8; + case v1i16: case v2i16: case v4i16: case v8i16: case v16i16: return i16; + case v1i32: case v2i32: case v4i32: - case v8i32: return i32; + case v8i32: + case v16i32: return i32; case v1i64: case v2i64: - case v4i64: return i64; + case v4i64: + case v8i64: + case v16i64: return i64; + case v2f16: return f16; case v2f32: case v4f32: case v8f32: return f32; @@ -358,55 +284,70 @@ namespace llvm { } } - /// getVectorNumElements - Given a vector type, return the number of - /// elements it contains. unsigned getVectorNumElements() const { - assert(isVector() && "Invalid vector type!"); - switch (V) { + switch (SimpleTy) { default: - return getExtendedVectorNumElements(); + llvm_unreachable("Not a vector MVT!"); case v32i8: return 32; + case v16i1: case v16i8: - case v16i16: return 16; + case v16i16: + case v16i32: + case v16i64:return 16; + case v8i1: case v8i8 : case v8i16: case v8i32: + case v8i64: case v8f32: return 8; + case v4i1: case v4i8: case v4i16: case v4i32: case v4i64: case v4f32: case v4f64: return 4; + case v2i1: case v2i8: case v2i16: case v2i32: case v2i64: + case v2f16: case v2f32: case v2f64: return 2; + case v1i16: + case v1i32: case v1i64: return 1; } } - /// getSizeInBits - Return the size of the specified value type in bits. unsigned getSizeInBits() const { - switch (V) { + switch (SimpleTy) { case iPTR: - assert(0 && "Value type size is target-dependent. Ask TLI."); + llvm_unreachable("Value type size is target-dependent. Ask TLI."); case iPTRAny: case iAny: case fAny: - assert(0 && "Value type is overloaded."); + llvm_unreachable("Value type is overloaded."); default: - return getExtendedSizeInBits(); + llvm_unreachable("getSizeInBits called on extended MVT."); case i1 : return 1; - case i8 : return 8; + case v2i1: return 2; + case v4i1: return 4; + case i8 : + case v8i1: return 8; case i16 : - case v2i8: return 16; + case f16: + case v16i1: + case v2i8: + case v1i16: return 16; case f32 : case i32 : case v4i8: - case v2i16: return 32; + case v2i16: + case v2f16: + case v1i32: return 32; + case x86mmx: case f64 : case i64 : case v8i8: @@ -430,68 +371,415 @@ namespace llvm { case v4i64: case v8f32: case v4f64: return 256; + case v16i32: + case v8i64: return 512; + case v16i64:return 1024; } } + /// 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 (getSizeInBits() + 7)/8*8; + return getStoreSize() * 8; + } + + static MVT getFloatingPointVT(unsigned BitWidth) { + switch (BitWidth) { + default: + llvm_unreachable("Bad bit width!"); + case 16: + return MVT::f16; + case 32: + return MVT::f32; + case 64: + return MVT::f64; + case 80: + return MVT::f80; + case 128: + return MVT::f128; + } } - /// getRoundIntegerType - Rounds the bit-width of the given integer MVT up + 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::i1: + if (NumElements == 2) return MVT::v2i1; + if (NumElements == 4) return MVT::v4i1; + if (NumElements == 8) return MVT::v8i1; + if (NumElements == 16) return MVT::v16i1; + 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 == 1) return MVT::v1i16; + 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 == 1) return MVT::v1i32; + if (NumElements == 2) return MVT::v2i32; + if (NumElements == 4) return MVT::v4i32; + if (NumElements == 8) return MVT::v8i32; + if (NumElements == 16) return MVT::v16i32; + 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; + if (NumElements == 16) return MVT::v16i64; + break; + case MVT::f16: + if (NumElements == 2) return MVT::v2f16; + 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); + } + + /// 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(); + } + + /// is16BitVector - Return true if this is a 16-bit vector type. + bool is16BitVector() const { + return isSimple() ? V.is16BitVector() : isExtended16BitVector(); + } + + /// is32BitVector - Return true if this is a 32-bit vector type. + bool is32BitVector() const { + return isSimple() ? V.is32BitVector() : isExtended32BitVector(); + } + + /// is64BitVector - Return true if this is a 64-bit vector type. + bool is64BitVector() const { + return isSimple() ? V.is64BitVector() : isExtended64BitVector(); + } + + /// is128BitVector - Return true if this is a 128-bit vector type. + bool is128BitVector() const { + return isSimple() ? V.is128BitVector() : isExtended128BitVector(); + } + + /// is256BitVector - Return true if this is a 256-bit vector type. + bool is256BitVector() const { + return isSimple() ? V.is256BitVector() : isExtended256BitVector(); + } + + /// is512BitVector - Return true if this is a 512-bit vector type. + bool is512BitVector() const { + return isSimple() ? V.is512BitVector() : isExtended512BitVector(); + } + + /// is1024BitVector - Return true if this is a 1024-bit vector type. + bool is1024BitVector() const { + return isSimple() ? V.is1024BitVector() : isExtended1024BitVector(); + } + + /// 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 MVT with that number of bits. - 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; - else - return getIntegerVT(1 << Log2_32_Ceil(BitWidth)); + return EVT(MVT::i8); + return getIntegerVT(Context, 1 << Log2_32_Ceil(BitWidth)); } - /// isPow2VectorType - Retuns true if the given vector is a power of 2. + /// 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 MVT up to + /// getPow2VectorType - Widens the length of the given vector EVT up to /// the nearest power of 2 and returns that type. - MVT getPow2VectorType() const { + EVT getPow2VectorType(LLVMContext &Context) const { if (!isPow2VectorType()) { unsigned NElts = getVectorNumElements(); unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts); - return MVT::getVectorVT(getVectorElementType(), Pow2NElts); + 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; + 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(Type *Ty, bool HandleUnknown = false); - /// getRawBits - Represent the type as a bunch of bits. - uintptr_t getRawBits() const { return V; } + 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()(MVT L, MVT R) const { - return L.getRawBits() < R.getRawBits(); + 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; } }; @@ -499,15 +787,21 @@ namespace llvm { // 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 MVT getExtendedIntegerVT(unsigned BitWidth); - static MVT getExtendedVectorVT(MVT VT, unsigned NumElements); + 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 isExtended16BitVector() const; + bool isExtended32BitVector() const; bool isExtended64BitVector() const; bool isExtended128BitVector() const; bool isExtended256BitVector() const; - MVT getExtendedVectorElementType() const; + bool isExtended512BitVector() const; + bool isExtended1024BitVector() const; + EVT getExtendedVectorElementType() const; unsigned getExtendedVectorNumElements() const; unsigned getExtendedSizeInBits() const; };