//===- 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
-/// MVT namespace - This namespace defines the ValueType enum, which contains
-/// the various low-level value types.
-///
-namespace MVT { // MVT = Machine Value Types
- enum ValueType {
- Other = 0 << 0, // This is a non-standard value
- i1 = 1 << 0, // This is a 1 bit integer value
- i8 = 1 << 1, // This is an 8 bit integer value
- i16 = 1 << 2, // This is a 16 bit integer value
- i32 = 1 << 3, // This is a 32 bit integer value
- i64 = 1 << 4, // This is a 64 bit integer value
- i128 = 1 << 5, // This is a 128 bit integer value
-
- f32 = 1 << 6, // This is a 32 bit floating point value
- f64 = 1 << 7, // This is a 64 bit floating point value
- f80 = 1 << 8, // This is a 80 bit floating point value
- f128 = 1 << 9, // This is a 128 bit floating point value
+#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);
+ }
};
-};
-#endif
+ /// 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
projects / oota-llvm.git / blobdiff