#ifndef LLVM_CODEGEN_VALUETYPES_H
#define LLVM_CODEGEN_VALUETYPES_H
-#include <cassert>
-#include <string>
#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
+#include <cassert>
+#include <string>
namespace llvm {
class Type;
+ class LLVMContext;
+ struct EVT;
- struct 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 {
+ // INVALID_SIMPLE_VALUE_TYPE - Simple value types less than zero are
+ // considered extended value types.
+ INVALID_SIMPLE_VALUE_TYPE = -1,
+
// If you change this numbering, you must change the values in
- // ValueTypes.td well!
+ // 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
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
- Flag = 12, // This is a condition code or machine flag.
-
- isVoid = 13, // This has no value
-
- 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
-
- FIRST_VECTOR_VALUETYPE = v8i8,
- LAST_VECTOR_VALUETYPE = v2f64,
-
- LAST_VALUETYPE = 27, // This always remains at the end of the list.
+ f16 = 7, // This is a 16 bit floating point value
+ f32 = 8, // This is a 32 bit floating point value
+ f64 = 9, // This is a 64 bit floating point value
+ f80 = 10, // This is a 80 bit floating point value
+ f128 = 11, // This is a 128 bit floating point value
+ ppcf128 = 12, // This is a PPC 128-bit floating point value
+
+ FIRST_FP_VALUETYPE = f16,
+ LAST_FP_VALUETYPE = ppcf128,
+
+ v2i1 = 13, // 2 x i1
+ v4i1 = 14, // 4 x i1
+ v8i1 = 15, // 8 x i1
+ v16i1 = 16, // 16 x i1
+ v32i1 = 17, // 32 x i1
+ v64i1 = 18, // 64 x i1
+
+ v2i8 = 19, // 2 x i8
+ v4i8 = 20, // 4 x i8
+ v8i8 = 21, // 8 x i8
+ v16i8 = 22, // 16 x i8
+ v32i8 = 23, // 32 x i8
+ v64i8 = 24, // 64 x i8
+ v1i16 = 25, // 1 x i16
+ v2i16 = 26, // 2 x i16
+ v4i16 = 27, // 4 x i16
+ v8i16 = 28, // 8 x i16
+ v16i16 = 29, // 16 x i16
+ v32i16 = 30, // 32 x i16
+ v1i32 = 31, // 1 x i32
+ v2i32 = 32, // 2 x i32
+ v4i32 = 33, // 4 x i32
+ v8i32 = 34, // 8 x i32
+ v16i32 = 35, // 16 x i32
+ v1i64 = 36, // 1 x i64
+ v2i64 = 37, // 2 x i64
+ v4i64 = 38, // 4 x i64
+ v8i64 = 39, // 8 x i64
+ v16i64 = 40, // 16 x i64
+
+ FIRST_INTEGER_VECTOR_VALUETYPE = v2i1,
+ LAST_INTEGER_VECTOR_VALUETYPE = v16i64,
+
+ v2f16 = 41, // 2 x f16
+ v2f32 = 42, // 2 x f32
+ v4f32 = 43, // 4 x f32
+ v8f32 = 44, // 8 x f32
+ v16f32 = 45, // 16 x f32
+ v2f64 = 46, // 2 x f64
+ v4f64 = 47, // 4 x f64
+ v8f64 = 48, // 8 x f64
+
+ FIRST_FP_VECTOR_VALUETYPE = v2f16,
+ LAST_FP_VECTOR_VALUETYPE = v8f64,
+
+ FIRST_VECTOR_VALUETYPE = v2i1,
+ LAST_VECTOR_VALUETYPE = v8f64,
+
+ x86mmx = 49, // This is an X86 MMX value
+
+ Glue = 50, // This glues nodes together during pre-RA sched
+
+ isVoid = 51, // This has no value
+
+ Untyped = 52, // This value takes a register, but has
+ // unspecified type. The register class
+ // will be determined by the opcode.
+
+ LAST_VALUETYPE = 53, // 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,
+ 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,
+ 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
+ iPTR = 255
};
- /// MVT - This type holds low-level value types. Valid values include any of
- /// the values in the SimpleValueType enum, or any value returned from one
- /// of the MVT methods. Any value type equal to one of the SimpleValueType
- /// enum values is a "simple" value type. All others 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
- /// Extended types are either vector types or arbitrary precision integers.
- /// Arbitrary precision integers have iAny in the first SimpleTypeBits bits,
- /// and the bit-width in the next PrecisionBits bits, offset by minus one.
- /// Vector types are encoded by having the first SimpleTypeBits+PrecisionBits
- /// bits encode the vector element type (which must be a scalar type, possibly
- /// an arbitrary precision integer) and the remaining VectorBits upper bits
- /// encode the vector length, offset by one.
- ///
- /// 31--------------16-----------8-------------0
- /// | Vector length | Precision | Simple type |
- /// | | Vector element |
- ///
+ SimpleValueType SimpleTy;
- private:
+ MVT() : SimpleTy((SimpleValueType)(INVALID_SIMPLE_VALUE_TYPE)) {}
+ MVT(SimpleValueType SVT) : SimpleTy(SVT) { }
- static const int SimpleTypeBits = 8;
- static const int PrecisionBits = 8;
- static const int VectorBits = 32 - SimpleTypeBits - PrecisionBits;
+ 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; }
- static const uint32_t SimpleTypeMask =
- (~uint32_t(0) << (32 - SimpleTypeBits)) >> (32 - SimpleTypeBits);
+ /// isFloatingPoint - Return true if this is a FP, or a vector FP type.
+ bool isFloatingPoint() const {
+ return ((SimpleTy >= MVT::FIRST_FP_VALUETYPE &&
+ SimpleTy <= MVT::LAST_FP_VALUETYPE) ||
+ (SimpleTy >= MVT::FIRST_FP_VECTOR_VALUETYPE &&
+ SimpleTy <= MVT::LAST_FP_VECTOR_VALUETYPE));
+ }
- static const uint32_t PrecisionMask =
- ((~uint32_t(0) << VectorBits) >> (32 - PrecisionBits)) << SimpleTypeBits;
+ /// 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::FIRST_INTEGER_VECTOR_VALUETYPE &&
+ SimpleTy <= MVT::LAST_INTEGER_VECTOR_VALUETYPE));
+ }
- static const uint32_t VectorMask =
- (~uint32_t(0) >> (32 - VectorBits)) << (32 - VectorBits);
+ /// isVector - Return true if this is a vector value type.
+ bool isVector() const {
+ return (SimpleTy >= MVT::FIRST_VECTOR_VALUETYPE &&
+ SimpleTy <= MVT::LAST_VECTOR_VALUETYPE);
+ }
- static const uint32_t ElementMask =
- (~uint32_t(0) << VectorBits) >> VectorBits;
+ /// is16BitVector - Return true if this is a 16-bit vector type.
+ bool is16BitVector() const {
+ return (SimpleTy == MVT::v2i8 || SimpleTy == MVT::v1i16 ||
+ SimpleTy == MVT::v16i1);
+ }
- uint32_t V;
+ /// is32BitVector - Return true if this is a 32-bit vector type.
+ bool is32BitVector() const {
+ return (SimpleTy == MVT::v4i8 || SimpleTy == MVT::v2i16 ||
+ SimpleTy == MVT::v1i32);
+ }
- public:
+ /// is64BitVector - Return true if this is a 64-bit vector type.
+ bool is64BitVector() const {
+ return (SimpleTy == MVT::v8i8 || SimpleTy == MVT::v4i16 ||
+ SimpleTy == MVT::v2i32 || SimpleTy == MVT::v1i64 ||
+ SimpleTy == MVT::v2f32);
+ }
- MVT() {}
- MVT(SimpleValueType S) { V = S; }
- inline bool operator== (const MVT VT) const { return V == VT.V; }
- inline bool operator!= (const MVT VT) const { return V != VT.V; }
+ /// is128BitVector - Return true if this is a 128-bit vector type.
+ bool is128BitVector() const {
+ return (SimpleTy == MVT::v16i8 || SimpleTy == MVT::v8i16 ||
+ SimpleTy == MVT::v4i32 || SimpleTy == MVT::v2i64 ||
+ SimpleTy == MVT::v4f32 || SimpleTy == MVT::v2f64);
+ }
- /// FIXME: The following comparison methods are bogus - they are only here
- /// to ease the transition to a struct type.
- inline bool operator< (const MVT VT) const { return V < VT.V; }
- inline bool operator<= (const MVT VT) const { return V <= VT.V; }
- inline bool operator> (const MVT VT) const { return V > VT.V; }
- inline bool operator>= (const MVT VT) const { return V >= VT.V; }
+ /// is256BitVector - Return true if this is a 256-bit vector type.
+ bool is256BitVector() const {
+ return (SimpleTy == MVT::v8f32 || SimpleTy == MVT::v4f64 ||
+ SimpleTy == MVT::v32i8 || SimpleTy == MVT::v16i16 ||
+ SimpleTy == MVT::v8i32 || SimpleTy == MVT::v4i64);
+ }
- /// getIntegerVT - Returns the MVT that represents an integer with the given
- /// number of bits.
- static inline MVT getIntegerVT(unsigned BitWidth) {
+ /// is512BitVector - Return true if this is a 512-bit vector type.
+ bool is512BitVector() const {
+ return (SimpleTy == MVT::v8f64 || SimpleTy == MVT::v16f32 ||
+ SimpleTy == MVT::v64i8 || SimpleTy == MVT::v32i16 ||
+ SimpleTy == MVT::v8i64 || SimpleTy == MVT::v16i32);
+ }
+
+ /// is1024BitVector - Return true if this is a 1024-bit vector type.
+ bool is1024BitVector() const {
+ return (SimpleTy == MVT::v16i64);
+ }
+
+ /// 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:
+ llvm_unreachable("Not a vector MVT!");
+ case v2i1 :
+ case v4i1 :
+ case v8i1 :
+ case v16i1 :
+ case v32i1 :
+ case v64i1: return i1;
+ case v2i8 :
+ case v4i8 :
+ case v8i8 :
+ case v16i8:
+ case v32i8:
+ case v64i8: return i8;
+ case v1i16:
+ case v2i16:
+ case v4i16:
+ case v8i16:
+ case v16i16:
+ case v32i16: return i16;
+ case v1i32:
+ case v2i32:
+ case v4i32:
+ case v8i32:
+ case v16i32: return i32;
+ case v1i64:
+ case v2i64:
+ case v4i64:
+ case v8i64:
+ case v16i64: return i64;
+ case v2f16: return f16;
+ case v2f32:
+ case v4f32:
+ case v8f32:
+ case v16f32: return f32;
+ case v2f64:
+ case v4f64:
+ case v8f64: return f64;
+ }
+ }
+
+ unsigned getVectorNumElements() const {
+ switch (SimpleTy) {
+ default:
+ llvm_unreachable("Not a vector MVT!");
+ case v32i1:
+ case v32i8:
+ case v32i16: return 32;
+ case v64i1:
+ case v64i8: return 64;
+ case v16i1:
+ case v16i8:
+ case v16i16:
+ case v16i32:
+ case v16i64:
+ case v16f32: return 16;
+ case v8i1 :
+ case v8i8 :
+ case v8i16:
+ case v8i32:
+ case v8i64:
+ case v8f32:
+ case v8f64: return 8;
+ case v4i1:
+ case v4i8:
+ case v4i16:
+ case v4i32:
+ case v4i64:
+ case v4f32:
+ case v4f64: return 4;
+ case v2i1:
+ case v2i8:
+ case v2i16:
+ case v2i32:
+ case v2i64:
+ case v2f16:
+ case v2f32:
+ case v2f64: return 2;
+ case v1i16:
+ case v1i32:
+ case v1i64: return 1;
+ }
+ }
+
+ unsigned getSizeInBits() const {
+ switch (SimpleTy) {
+ case iPTR:
+ llvm_unreachable("Value type size is target-dependent. Ask TLI.");
+ case iPTRAny:
+ case iAny:
+ case fAny:
+ case vAny:
+ llvm_unreachable("Value type is overloaded.");
+ case Metadata:
+ llvm_unreachable("Value type is metadata.");
+ default:
+ llvm_unreachable("getSizeInBits called on extended MVT.");
+ case i1 : return 1;
+ case v2i1: return 2;
+ case v4i1: return 4;
+ case i8 :
+ case v8i1: return 8;
+ case i16 :
+ case f16:
+ case v16i1:
+ case v2i8:
+ case v1i16: return 16;
+ case f32 :
+ case i32 :
+ case v32i1:
+ case v4i8:
+ case v2i16:
+ case v2f16:
+ case v1i32: return 32;
+ case x86mmx:
+ case f64 :
+ case i64 :
+ case v64i1:
+ 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 v64i8:
+ case v32i16:
+ case v16i32:
+ case v8i64:
+ case v16f32:
+ case v8f64: return 512;
+ case v16i64:return 1024;
+ }
+ }
+
+ /// 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;
+ }
+
+ /// Return true if this has more bits than VT.
+ bool bitsGT(MVT VT) const {
+ return getSizeInBits() > VT.getSizeInBits();
+ }
+
+ /// Return true if this has no less bits than VT.
+ bool bitsGE(MVT VT) const {
+ return getSizeInBits() >= VT.getSizeInBits();
+ }
+
+ /// Return true if this has less bits than VT.
+ bool bitsLT(MVT VT) const {
+ return getSizeInBits() < VT.getSizeInBits();
+ }
+
+ /// Return true if this has no more bits than VT.
+ bool bitsLE(MVT VT) const {
+ return getSizeInBits() <= VT.getSizeInBits();
+ }
+
+
+ static MVT getFloatingPointVT(unsigned BitWidth) {
switch (BitWidth) {
default:
- break;
+ llvm_unreachable("Bad bit width!");
+ case 16:
+ return MVT::f16;
+ 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 i1;
+ return MVT::i1;
case 8:
- return i8;
+ return MVT::i8;
case 16:
- return i16;
+ return MVT::i16;
case 32:
- return i32;
+ return MVT::i32;
case 64:
- return i64;
+ return MVT::i64;
case 128:
- return i128;
+ return MVT::i128;
}
- MVT VT;
- VT.V = iAny | (((BitWidth - 1) << SimpleTypeBits) & PrecisionMask);
- assert(VT.getSizeInBits() == BitWidth && "Bad bit width!");
- return VT;
}
- /// getVectorVT - Returns the MVT that represents a vector NumElements in
- /// length, where each element is of type VT.
- static inline MVT getVectorVT(MVT VT, unsigned NumElements) {
- switch (VT.V) {
+ static MVT getVectorVT(MVT VT, unsigned NumElements) {
+ switch (VT.SimpleTy) {
default:
break;
- case i8:
- if (NumElements == 8) return v8i8;
- if (NumElements == 16) return v16i8;
+ 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;
+ if (NumElements == 32) return MVT::v32i1;
+ if (NumElements == 64) return MVT::v64i1;
break;
- case i16:
- if (NumElements == 4) return v4i16;
- if (NumElements == 8) return v8i16;
+ 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;
+ if (NumElements == 64) return MVT::v64i8;
break;
- case i32:
- if (NumElements == 2) return v2i32;
- if (NumElements == 3) return v3i32;
- if (NumElements == 4) return v4i32;
+ 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;
+ if (NumElements == 32) return MVT::v32i16;
break;
- case i64:
- if (NumElements == 1) return v1i64;
- if (NumElements == 2) return v2i64;
+ 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 f32:
- if (NumElements == 2) return v2f32;
- if (NumElements == 3) return v3f32;
- if (NumElements == 4) return v4f32;
+ 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 f64:
- if (NumElements == 2) return v2f64;
+ 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;
+ if (NumElements == 16) return MVT::v16f32;
+ break;
+ case MVT::f64:
+ if (NumElements == 2) return MVT::v2f64;
+ if (NumElements == 4) return MVT::v4f64;
+ if (NumElements == 8) return MVT::v8f64;
break;
}
- MVT Result;
- Result.V = VT.V | ((NumElements + 1) << (32 - VectorBits));
- assert(Result.getVectorElementType() == VT &&
- "Bad vector element type!");
- assert(Result.getVectorNumElements() == NumElements &&
- "Bad vector length!");
- return Result;
- }
-
- /// getIntVectorWithNumElements - Return any integer vector type that has
- /// the specified number of elements.
- static inline MVT getIntVectorWithNumElements(unsigned NumElts) {
- switch (NumElts) {
- default: return getVectorVT(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;
- }
+ return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
+ }
+
+ /// 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 MVT getVT(Type *Ty, bool HandleUnknown = false);
+
+ };
+
+
+ /// 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 < 0)
+ 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 >= 0)
+ 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 >= 0)
+ 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.SimpleTy >= 0 &&
+ "Simple vector VT not representable by simple integer vector VT!");
+ return VecTy;
+ }
- /// isSimple - Test if the given MVT is simple (as opposed to being
+ /// isSimple - Test if the given EVT is simple (as opposed to being
/// extended).
- inline bool isSimple() const {
- return V <= SimpleTypeMask;
+ bool isSimple() const {
+ return V.SimpleTy >= 0;
}
- /// isExtended - Test if the given MVT is extended (as opposed to
+ /// isExtended - Test if the given EVT is extended (as opposed to
/// being simple).
- inline bool isExtended() const {
+ bool isExtended() const {
return !isSimple();
}
/// isFloatingPoint - Return true if this is a FP, or a vector FP type.
- inline bool isFloatingPoint() const {
- uint32_t SVT = V & SimpleTypeMask;
- return (SVT >= f32 && SVT <= ppcf128) || (SVT >= v2f32 && SVT <= v2f64);
+ bool isFloatingPoint() const {
+ return isSimple() ? V.isFloatingPoint() : isExtendedFloatingPoint();
}
/// isInteger - Return true if this is an integer, or a vector integer type.
- inline bool isInteger() const {
- uint32_t SVT = V & SimpleTypeMask;
- return (SVT >= FIRST_INTEGER_VALUETYPE && SVT <= LAST_INTEGER_VALUETYPE) ||
- (SVT >= v8i8 && SVT <= v2i64) || (SVT == iAny && (V & PrecisionMask));
+ bool isInteger() const {
+ return isSimple() ? V.isInteger() : isExtendedInteger();
}
/// isVector - Return true if this is a vector value type.
- inline bool isVector() const {
- return (V >= FIRST_VECTOR_VALUETYPE && V <= LAST_VECTOR_VALUETYPE) ||
- (V & VectorMask);
+ 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.
- inline bool is64BitVector() const {
- return (V==v8i8 || V==v4i16 || V==v2i32 || V==v1i64 || V==v2f32 ||
- (isExtended() && isVector() && getSizeInBits()==64));
+ bool is64BitVector() const {
+ return isSimple() ? V.is64BitVector() : isExtended64BitVector();
}
/// is128BitVector - Return true if this is a 128-bit vector type.
- inline bool is128BitVector() const {
- return (V==v16i8 || V==v8i16 || V==v4i32 || V==v2i64 ||
- V==v4f32 || V==v2f64 ||
- (isExtended() && isVector() && getSizeInBits()==128));
+ 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 MVT.
- inline SimpleValueType getSimpleVT() const {
+ /// simple EVT.
+ MVT getSimpleVT() const {
assert(isSimple() && "Expected a SimpleValueType!");
- return (SimpleValueType)V;
+ 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.
- inline MVT getVectorElementType() const {
+ EVT getVectorElementType() const {
assert(isVector() && "Invalid vector type!");
- switch (V) {
- default: {
- assert(isExtended() && "Unknown simple vector type!");
- MVT VT;
- VT.V = V & ElementMask;
- return VT;
- }
- 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;
- }
+ if (isSimple())
+ return V.getVectorElementType();
+ return getExtendedVectorElementType();
}
/// getVectorNumElements - Given a vector type, return the number of
/// elements it contains.
- inline unsigned getVectorNumElements() const {
+ unsigned getVectorNumElements() const {
assert(isVector() && "Invalid vector type!");
- switch (V) {
- default:
- assert(isExtended() && "Unknown simple vector type!");
- return ((V & VectorMask) >> (32 - VectorBits)) - 1;
- 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;
- }
+ if (isSimple())
+ return V.getVectorNumElements();
+ return getExtendedVectorNumElements();
}
/// getSizeInBits - Return the size of the specified value type in bits.
- inline unsigned getSizeInBits() const {
- switch (V) {
- default:
- assert(isExtended() && "MVT has no known size!");
- if (isVector())
- return getVectorElementType().getSizeInBits()*getVectorNumElements();
- if (isInteger())
- return ((V & PrecisionMask) >> SimpleTypeBits) + 1;
- assert(false && "Unknown value type!");
- return 0;
- case i1 : return 1;
- case i8 : return 8;
- case i16 : return 16;
- case f32 :
- case i32 : return 32;
- case f64 :
- case i64 :
- case v8i8:
- case v4i16:
- case v2i32:
- case v1i64:
- case v2f32: return 64;
- case f80 : return 80;
- case v3i32:
- case v3f32: return 96;
- case f128:
- case ppcf128:
- case i128:
- case v16i8:
- case v8i16:
- case v4i32:
- case v2i64:
- case v4f32:
- case v2f64: return 128;
- }
+ 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.
- inline unsigned getStoreSizeInBits() const {
- return (getSizeInBits() + 7)/8*8;
+ unsigned getStoreSizeInBits() const {
+ return getStoreSize() * 8;
}
- /// getRoundIntegerType - Rounds the bit-width of the given integer MVT up
+ /// 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 MVT with that number of bits.
- inline MVT getRoundIntegerType() const {
+ /// 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 i8;
- else
- return getIntegerVT(1 << Log2_32_Ceil(BitWidth));
+ return EVT(MVT::i8);
+ return getIntegerVT(Context, 1 << Log2_32_Ceil(BitWidth));
}
- /// getIntegerVTBitMask - Return an integer with 1's every place there are
- /// bits in the specified integer value type. FIXME: Should return an apint.
- inline uint64_t getIntegerVTBitMask() const {
- assert(isInteger() && !isVector() && "Only applies to int scalars!");
- return ~uint64_t(0UL) >> (64-getSizeInBits());
+ /// 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);
}
- /// getIntegerVTSignBit - Return an integer with a 1 in the position of the
- /// sign bit for the specified integer value type. FIXME: Should return an
- /// apint.
- inline uint64_t getIntegerVTSignBit() const {
- assert(isInteger() && !isVector() && "Only applies to int scalars!");
- return uint64_t(1UL) << (getSizeInBits()-1);
+ /// 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;
+ }
}
- /// getMVTString - This function returns value type as a string,
+ /// getEVTString - This function returns value type as a string,
/// e.g. "i32".
- std::string getMVTString() const;
+ std::string getEVTString() const;
- /// getTypeForMVT - This method returns an LLVM type corresponding to the
- /// specified MVT. For integer types, this returns an unsigned type. Note
+ /// 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 *getTypeForMVT() const;
+ Type *getTypeForEVT(LLVMContext &Context) const;
- /// getMVT - Return the value type corresponding to the specified type.
+ /// 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 MVT getMVT(const Type *Ty, bool HandleUnknown = false);
+ static EVT getEVT(Type *Ty, bool HandleUnknown = false);
- /// getRawBits - Represent the type as a bunch of bits.
- uint32_t getRawBits() const { return V; }
+ 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 isExtended16BitVector() const;
+ bool isExtended32BitVector() const;
+ bool isExtended64BitVector() const;
+ bool isExtended128BitVector() const;
+ bool isExtended256BitVector() const;
+ bool isExtended512BitVector() const;
+ bool isExtended1024BitVector() const;
+ EVT getExtendedVectorElementType() const;
+ unsigned getExtendedVectorNumElements() const;
+ unsigned getExtendedSizeInBits() const;
};
} // End llvm namespace