//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include <cassert>
#include <string>
-#include "llvm/Support/DataTypes.h"
+#include "llvm/System/DataTypes.h"
+#include "llvm/Support/MathExtras.h"
namespace llvm {
class Type;
+ class LLVMContext;
+ struct EVT;
-/// MVT namespace - This namespace defines the SimpleValueType enum, which
-/// contains the various low-level value types, and the ValueType typedef.
-///
-namespace MVT { // MVT = Machine Value Types
- enum SimpleValueType {
- // If you change this numbering, you must change the values in ValueTypes.td
- // 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
-
- 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
+ class MVT { // MVT = Machine Value Type
+ 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,
+
+ Flag = 33, // This glues nodes together during pre-RA sched
+
+ isVoid = 34, // This has no value
+
+ LAST_VALUETYPE = 35, // 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,
+
+ // 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) { }
- 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
+ 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; }
- FIRST_VECTOR_VALUETYPE = v8i8,
- LAST_VECTOR_VALUETYPE = v2f64,
+ /// 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));
+ }
- LAST_VALUETYPE = 27, // This always remains at the end of the list.
+ /// 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));
+ }
- // 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,
+ /// 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 EVT 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);
+ }
- // iPTR - An int value the size of the pointer of the current
- // target. This should only be used internal to tblgen!
- iPTR = 255
+ /// 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 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;
+ }
+ }
+
+ 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);
+ }
};
- /// MVT::ValueType - This type holds low-level value types. Valid values
- /// include any of the values in the SimpleValueType enum, or any value
- /// returned from a function in the MVT namespace that has a ValueType
- /// return type. Any value type equal to one of the SimpleValueType enum
- /// values is a "simple" value type. All other value types 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
- /// Currently extended types are always vector types. Extended types are
- /// encoded by having the first SimpleTypeBits bits encode the vector
- /// element type (which must be a scalar type) and the remaining upper
- /// bits encode the vector length, offset by one.
- typedef uint32_t ValueType;
-
- static const int SimpleTypeBits = 8;
-
- static const uint32_t SimpleTypeMask =
- (~uint32_t(0) << (32 - SimpleTypeBits)) >> (32 - SimpleTypeBits);
-
- /// MVT::isExtendedVT - Test if the given ValueType is extended
- /// (as opposed to being simple).
- static inline bool isExtendedVT(ValueType VT) {
- return VT > SimpleTypeMask;
- }
-
- /// MVT::isInteger - Return true if this is an integer, or a vector integer
- /// type.
- static inline bool isInteger(ValueType VT) {
- ValueType SVT = VT & SimpleTypeMask;
- return (SVT >= i1 && SVT <= i128) || (SVT >= v8i8 && SVT <= v2i64);
- }
-
- /// MVT::isFloatingPoint - Return true if this is an FP, or a vector FP type.
- static inline bool isFloatingPoint(ValueType VT) {
- ValueType SVT = VT & SimpleTypeMask;
- return (SVT >= f32 && SVT <= ppcf128) || (SVT >= v2f32 && SVT <= v2f64);
- }
-
- /// MVT::isVector - Return true if this is a vector value type.
- static inline bool isVector(ValueType VT) {
- return (VT >= FIRST_VECTOR_VALUETYPE && VT <= LAST_VECTOR_VALUETYPE) ||
- isExtendedVT(VT);
- }
-
- /// MVT::getVectorElementType - Given a vector type, return the type of
- /// each element.
- static inline ValueType getVectorElementType(ValueType VT) {
- switch (VT) {
- default:
- if (isExtendedVT(VT))
- return VT & SimpleTypeMask;
- assert(0 && "Invalid vector type!");
- 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;
- }
- }
-
- /// MVT::getVectorNumElements - Given a vector type, return the
- /// number of elements it contains.
- static inline unsigned getVectorNumElements(ValueType VT) {
- switch (VT) {
- default:
- if (isExtendedVT(VT))
- return ((VT & ~SimpleTypeMask) >> SimpleTypeBits) - 1;
- assert(0 && "Invalid vector type!");
- 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;
- }
- }
-
- /// MVT::getSizeInBits - Return the size of the specified value type
- /// in bits.
- ///
- static inline unsigned getSizeInBits(ValueType VT) {
- switch (VT) {
- default:
- if (isExtendedVT(VT))
- return getSizeInBits(getVectorElementType(VT)) *
- getVectorNumElements(VT);
- assert(0 && "ValueType has no known size!");
- case MVT::i1 : return 1;
- case MVT::i8 : return 8;
- case MVT::i16 : return 16;
- case MVT::f32 :
- case MVT::i32 : return 32;
- case MVT::f64 :
- case MVT::i64 :
- case MVT::v8i8:
- case MVT::v4i16:
- case MVT::v2i32:
- case MVT::v1i64:
- case MVT::v2f32: return 64;
- case MVT::f80 : return 80;
- case MVT::v3i32:
- case MVT::v3f32: return 96;
- case MVT::f128:
- case MVT::ppcf128:
- case MVT::i128:
- case MVT::v16i8:
- case MVT::v8i16:
- case MVT::v4i32:
- case MVT::v2i64:
- case MVT::v4f32:
- case MVT::v2f64: return 128;
- }
- }
-
- /// MVT::getVectorType - Returns the ValueType that represents a vector
- /// NumElements in length, where each element is of type VT.
- ///
- static inline ValueType getVectorType(ValueType VT, unsigned NumElements) {
- switch (VT) {
- default:
- break;
- case MVT::i8:
- if (NumElements == 8) return MVT::v8i8;
- if (NumElements == 16) return MVT::v16i8;
- break;
- case MVT::i16:
- if (NumElements == 4) return MVT::v4i16;
- if (NumElements == 8) return MVT::v8i16;
- break;
- case MVT::i32:
- if (NumElements == 2) return MVT::v2i32;
- if (NumElements == 3) return MVT::v3i32;
- if (NumElements == 4) return MVT::v4i32;
- break;
- case MVT::i64:
- if (NumElements == 1) return MVT::v1i64;
- if (NumElements == 2) return MVT::v2i64;
- break;
- case MVT::f32:
- if (NumElements == 2) return MVT::v2f32;
- if (NumElements == 3) return MVT::v3f32;
- if (NumElements == 4) return MVT::v4f32;
- break;
- case MVT::f64:
- if (NumElements == 2) return MVT::v2f64;
- break;
- }
- ValueType Result = VT | ((NumElements + 1) << SimpleTypeBits);
- assert(getVectorElementType(Result) == VT &&
- "Bad vector element type!");
- assert(getVectorNumElements(Result) == NumElements &&
- "Bad vector length!");
- return Result;
- }
-
- /// MVT::getIntVectorWithNumElements - Return any integer vector type that has
- /// the specified number of elements.
- static inline ValueType getIntVectorWithNumElements(unsigned NumElts) {
- switch (NumElts) {
- default: return getVectorType(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;
- }
- }
-
-
- /// MVT::getIntVTBitMask - Return an integer with 1's every place there are
- /// bits in the specified integer value type.
- static inline uint64_t getIntVTBitMask(ValueType VT) {
- assert(isInteger(VT) && !isVector(VT) && "Only applies to int scalars!");
- return ~uint64_t(0UL) >> (64-getSizeInBits(VT));
- }
- /// MVT::getIntVTSignBit - Return an integer with a 1 in the position of the
- /// sign bit for the specified integer value type.
- static inline uint64_t getIntVTSignBit(ValueType VT) {
- assert(isInteger(VT) && !isVector(VT) && "Only applies to int scalars!");
- return uint64_t(1UL) << (getSizeInBits(VT)-1);
- }
-
- /// MVT::getValueTypeString - This function returns value type as a string,
- /// e.g. "i32".
- std::string getValueTypeString(ValueType VT);
-
- /// MVT::getTypeForValueType - This method returns an LLVM type corresponding
- /// to the specified ValueType. For integer types, this returns an unsigned
- /// type. Note that this will abort for types that cannot be represented.
- const Type *getTypeForValueType(ValueType VT);
-
- /// MVT::getValueType - Return the value type corresponding to the specified
- /// type. This returns all pointers as MVT::iPTR. If HandleUnknown is true,
- /// unknown types are returned as Other, otherwise they are invalid.
- ValueType getValueType(const Type *Ty, bool HandleUnknown = false);
-}
+ 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==(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;
+ }
+
+ /// 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.
+ 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);
+
+ 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.
+ 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
projects / oota-llvm.git / blobdiff