X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FCodeGen%2FValueTypes.h;h=cae0bcb165c193b4db8ee56dd842f6a1dc3c4ac9;hb=e640a228f6b1ff280d35a6a33bf78c7e544f9926;hp=06e07f38f1d28b4ea4485c14b033d6b1b129b0bf;hpb=e3040e4ae5cef5ec9289efaed4b98135150d5790;p=oota-llvm.git diff --git a/include/llvm/CodeGen/ValueTypes.h b/include/llvm/CodeGen/ValueTypes.h index 06e07f38f1d..cae0bcb165c 100644 --- a/include/llvm/CodeGen/ValueTypes.h +++ b/include/llvm/CodeGen/ValueTypes.h @@ -18,7 +18,7 @@ #include #include -#include "llvm/System/DataTypes.h" +#include "llvm/Support/DataTypes.h" #include "llvm/Support/MathExtras.h" namespace llvm { @@ -26,7 +26,10 @@ namespace llvm { class LLVMContext; struct EVT; - class 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 @@ -63,24 +66,31 @@ namespace llvm { v1i64 = 24, // 1 x i64 v2i64 = 25, // 2 x i64 v4i64 = 26, // 4 x i64 + v8i64 = 27, // 8 x i64 - v2f32 = 27, // 2 x f32 - v4f32 = 28, // 4 x f32 - v8f32 = 29, // 8 x f32 - v2f64 = 30, // 2 x f64 - v4f64 = 31, // 4 x f64 + 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, - Flag = 32, // This glues nodes together during pre-RA sched + x86mmx = 33, // This is an X86 MMX value - isVoid = 33, // This has no value + Glue = 34, // This glues nodes together during pre-RA sched - LAST_VALUETYPE = 34, // This always remains at the end of the list. + 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. - // EVT::MAX_ALLOWED_VALUETYPE is used for asserts and to size bit vectors + // 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, @@ -123,24 +133,25 @@ namespace llvm { 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)); + (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)); + (SimpleTy >= MVT::v2i8 && SimpleTy <= MVT::v8i64)); } /// isVector - Return true if this is a vector value type. @@ -148,24 +159,22 @@ namespace llvm { return (SimpleTy >= MVT::FIRST_VECTOR_VALUETYPE && SimpleTy <= MVT::LAST_VECTOR_VALUETYPE); } - - /// isPow2VectorType - Retuns true if the given vector is a power of 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 + /// 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()) { - unsigned NElts = getVectorNumElements(); - unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts); - return MVT::getVectorVT(getVectorElementType(), Pow2NElts); - } - else { + 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, @@ -173,7 +182,7 @@ namespace llvm { MVT getScalarType() const { return isVector() ? getVectorElementType() : *this; } - + MVT getVectorElementType() const { switch (SimpleTy) { default: @@ -192,7 +201,8 @@ namespace llvm { case v8i32: return i32; case v1i64: case v2i64: - case v4i64: return i64; + case v4i64: + case v8i64: return i64; case v2f32: case v4f32: case v8f32: return f32; @@ -200,7 +210,7 @@ namespace llvm { case v4f64: return f64; } } - + unsigned getVectorNumElements() const { switch (SimpleTy) { default: @@ -211,6 +221,7 @@ namespace llvm { case v8i8 : case v8i16: case v8i32: + case v8i64: case v8f32: return 8; case v4i8: case v4i16: @@ -227,7 +238,7 @@ namespace llvm { case v1i64: return 1; } } - + unsigned getSizeInBits() const { switch (SimpleTy) { case iPTR: @@ -246,6 +257,7 @@ namespace llvm { case i32 : case v4i8: case v2i16: return 32; + case x86mmx: case f64 : case i64 : case v8i8: @@ -269,9 +281,22 @@ namespace llvm { 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: @@ -286,7 +311,7 @@ namespace llvm { return MVT::f128; } } - + static MVT getIntegerVT(unsigned BitWidth) { switch (BitWidth) { default: @@ -305,7 +330,7 @@ namespace llvm { return MVT::i128; } } - + static MVT getVectorVT(MVT VT, unsigned NumElements) { switch (VT.SimpleTy) { default: @@ -332,6 +357,7 @@ namespace llvm { 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; @@ -345,23 +371,16 @@ namespace llvm { } return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE); } - - static MVT getIntVectorWithNumElements(unsigned NumElts) { - switch (NumElts) { - 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 + + /// 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; - const Type *LLVMTy; + Type *LLVMTy; public: EVT() : V((MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE)), @@ -369,22 +388,16 @@ namespace llvm { 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; + 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; } - 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 @@ -397,30 +410,47 @@ namespace llvm { /// 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 + 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 getExtendedVectorVT(Context, VT, NumElements); - else + 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) { - MVT M = MVT::getIntVectorWithNumElements(NumElts); - if (M.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE) - return getVectorVT(C, MVT::i8, NumElts); - else - return M; + 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 @@ -437,49 +467,47 @@ namespace llvm { /// isFloatingPoint - Return true if this is a FP, or a vector FP type. bool isFloatingPoint() const { - return isSimple() ? - ((V >= MVT::f32 && V <= MVT::ppcf128) || - (V >= MVT::v2f32 && V <= MVT::v4f64)) : isExtendedFloatingPoint(); + return isSimple() ? V.isFloatingPoint() : isExtendedFloatingPoint(); } /// isInteger - Return true if this is an integer, or a vector integer type. bool isInteger() const { - return isSimple() ? - ((V >= MVT::FIRST_INTEGER_VALUETYPE && - V <= MVT::LAST_INTEGER_VALUETYPE) || - (V >= MVT::v2i8 && V <= MVT::v4i64)) : isExtendedInteger(); + return isSimple() ? V.isInteger() : isExtendedInteger(); } /// isVector - Return true if this is a vector value type. bool isVector() const { - return isSimple() ? - (V >= MVT::FIRST_VECTOR_VALUETYPE && V <= - MVT::LAST_VECTOR_VALUETYPE) : - isExtendedVector(); + return isSimple() ? V.isVector() : isExtendedVector(); } /// is64BitVector - Return true if this is a 64-bit vector type. bool is64BitVector() const { - return isSimple() ? - (V==MVT::v8i8 || V==MVT::v4i16 || V==MVT::v2i32 || - V==MVT::v1i64 || V==MVT::v2f32) : - isExtended64BitVector(); + 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 { - return isSimple() ? - (V==MVT::v16i8 || V==MVT::v8i16 || V==MVT::v4i32 || - V==MVT::v2i64 || V==MVT::v4f32 || V==MVT::v2f64) : - isExtended128BitVector(); + 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 { - return isSimple() ? - (V==MVT::v8f32 || V==MVT::v4f64 || V==MVT::v32i8 || - V==MVT::v16i16 || V==MVT::v8i32 || V==MVT::v4i64) : - isExtended256BitVector(); + 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. @@ -500,26 +528,31 @@ namespace llvm { /// 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(); } @@ -536,15 +569,14 @@ namespace llvm { 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(); - else - return getExtendedVectorElementType(); + return getExtendedVectorElementType(); } /// getVectorNumElements - Given a vector type, return the number of @@ -553,16 +585,14 @@ namespace llvm { assert(isVector() && "Invalid vector type!"); if (isSimple()) return V.getVectorNumElements(); - else - return getExtendedVectorNumElements(); + return getExtendedVectorNumElements(); } /// getSizeInBits - Return the size of the specified value type in bits. unsigned getSizeInBits() const { if (isSimple()) return V.getSizeInBits(); - else - return getExtendedSizeInBits(); + return getExtendedSizeInBits(); } /// getStoreSize - Return the number of bytes overwritten by a store @@ -585,11 +615,26 @@ namespace llvm { unsigned BitWidth = getSizeInBits(); if (BitWidth <= 8) return EVT(MVT::i8); - else - return getIntegerVT(Context, 1 << Log2_32_Ceil(BitWidth)); + 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)); @@ -615,15 +660,15 @@ namespace llvm { /// 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 *getTypeForEVT(LLVMContext &Context) const; + 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(const Type *Ty, bool HandleUnknown = false); + static EVT getEVT(Type *Ty, bool HandleUnknown = false); intptr_t getRawBits() { - if (V.SimpleTy <= MVT::LastSimpleValueType) + if (isSimple()) return V.SimpleTy; else return (intptr_t)(LLVMTy); @@ -644,6 +689,7 @@ 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. + EVT changeExtendedVectorElementTypeToInteger() const; static EVT getExtendedIntegerVT(LLVMContext &C, unsigned BitWidth); static EVT getExtendedVectorVT(LLVMContext &C, EVT VT, unsigned NumElements); @@ -653,6 +699,7 @@ namespace llvm { bool isExtended64BitVector() const; bool isExtended128BitVector() const; bool isExtended256BitVector() const; + bool isExtended512BitVector() const; EVT getExtendedVectorElementType() const; unsigned getExtendedVectorNumElements() const; unsigned getExtendedSizeInBits() const;