+ 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