#ifndef LLVM_CODEGEN_VALUETYPES_H
#define LLVM_CODEGEN_VALUETYPES_H
+#include "llvm/CodeGen/MachineValueType.h"
#include <cassert>
#include <string>
-#include "llvm/System/DataTypes.h"
-#include "llvm/Support/MathExtras.h"
namespace llvm {
- class Type;
- class LLVMContext;
- struct EVT;
-
- 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,
-
- x86mmx = 33, // This is an X86 MMX value
-
- Flag = 34, // This glues nodes together during pre-RA sched
-
- isVoid = 35, // This has no value
-
- LAST_VALUETYPE = 36, // 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) { }
-
- 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 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);
- }
-
- /// 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;
- }
- }
-
- 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);
- }
- };
+ class LLVMContext;
+ class Type;
- 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)),
- LLVMTy(0) {}
- EVT(MVT::SimpleValueType SVT) : V(SVT), LLVMTy(0) { }
- EVT(MVT S) : V(S), LLVMTy(0) {}
+ LLVMTy(nullptr) {}
+ EVT(MVT::SimpleValueType SVT) : V(SVT), LLVMTy(nullptr) { }
+ EVT(MVT S) : V(S), LLVMTy(nullptr) {}
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)
+ if (V.SimpleTy < 0)
return LLVMTy != VT.LLVMTy;
return false;
}
/// number of bits.
static EVT getIntegerVT(LLVMContext &Context, unsigned BitWidth) {
MVT M = MVT::getIntegerVT(BitWidth);
- if (M.SimpleTy != MVT::INVALID_SIMPLE_VALUE_TYPE)
+ if (M.SimpleTy >= 0)
return M;
return getExtendedIntegerVT(Context, BitWidth);
}
/// 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)
+ if (M.SimpleTy >= 0)
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.SimpleTy >= 0 &&
+ "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;
+ return V.SimpleTy >= 0;
}
/// isExtended - Test if the given EVT is extended (as opposed to
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 {
- if (!isSimple())
- return isExtended64BitVector();
-
- return (V == MVT::v8i8 || V==MVT::v4i16 || V==MVT::v2i32 ||
- V == MVT::v1i64 || V==MVT::v2f32);
+ return isSimple() ? V.is64BitVector() : isExtended64BitVector();
}
/// 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);
+ return isSimple() ? V.is128BitVector() : isExtended128BitVector();
}
/// 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);
+ bool is256BitVector() const {
+ return isSimple() ? V.is256BitVector() : isExtended256BitVector();
}
/// is512BitVector - Return true if this is a 512-bit vector type.
- inline bool is512BitVector() const {
- return isSimple() ? (V == MVT::v8i64) : isExtended512BitVector();
+ 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.
return getExtendedSizeInBits();
}
+ unsigned getScalarSizeInBits() const {
+ return getScalarType().getSizeInBits();
+ }
+
/// getStoreSize - Return the number of bytes overwritten by a store
/// of the specified value type.
unsigned getStoreSize() const {
return getIntegerVT(Context, (EVTSize + 1) / 2);
}
+ /// \brief Return a VT for an integer vector type with the size of the
+ /// elements doubled. The typed returned may be an extended type.
+ EVT widenIntegerVectorElementType(LLVMContext &Context) const {
+ EVT EltVT = getVectorElementType();
+ EltVT = EVT::getIntegerVT(Context, 2 * EltVT.getSizeInBits());
+ return EVT::getVectorVT(Context, EltVT, getVectorNumElements());
+ }
+
/// isPow2VectorType - Returns true if the given vector is a power of 2.
bool isPow2VectorType() const {
unsigned NElts = getVectorNumElements();
/// 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() {
+ intptr_t getRawBits() const {
if (isSimple())
return V.SimpleTy;
else
// 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;
+ bool isExtendedFloatingPoint() const LLVM_READONLY;
+ bool isExtendedInteger() const LLVM_READONLY;
+ bool isExtendedVector() const LLVM_READONLY;
+ bool isExtended16BitVector() const LLVM_READONLY;
+ bool isExtended32BitVector() const LLVM_READONLY;
+ bool isExtended64BitVector() const LLVM_READONLY;
+ bool isExtended128BitVector() const LLVM_READONLY;
+ bool isExtended256BitVector() const LLVM_READONLY;
+ bool isExtended512BitVector() const LLVM_READONLY;
+ bool isExtended1024BitVector() const LLVM_READONLY;
EVT getExtendedVectorElementType() const;
- unsigned getExtendedVectorNumElements() const;
+ unsigned getExtendedVectorNumElements() const LLVM_READONLY;
unsigned getExtendedSizeInBits() const;
};