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 {
// If you change this numbering, you must change the values in
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
+ v2i8 = 12, // 2 x i8
+ v4i8 = 13, // 4 x i8
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
+ 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
- v3i32 = 20, // 3 x i32
- v4i32 = 21, // 4 x i32
- v2i64 = 22, // 2 x i64
+ 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.
- v2f32 = 23, // 2 x f32
- v3f32 = 24, // 3 x f32
- v4f32 = 25, // 4 x f32
- v2f64 = 26, // 2 x f64
+ LAST_VALUETYPE = 37, // This always remains at the end of the list.
- FIRST_VECTOR_VALUETYPE = v8i8,
- LAST_VECTOR_VALUETYPE = v2f64,
+ // 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,
- LAST_VALUETYPE = 27, // This always remains at the end of the list.
+ // 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 = 252,
+ 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,
// LastSimpleValueType - The greatest valid SimpleValueType value.
- LastSimpleValueType = 255
- };
+ LastSimpleValueType = 255,
- private:
- /// This union 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.
- ///
- union {
- uintptr_t V;
- SimpleValueType SimpleTy;
- const Type *LLVMTy;
+ // INVALID_SIMPLE_VALUE_TYPE - Simple value types greater than or equal
+ // to this are considered extended value types.
+ INVALID_SIMPLE_VALUE_TYPE = LastSimpleValueType + 1
};
- public:
- MVT() {}
- MVT(SimpleValueType S) : V(S) {}
+ SimpleValueType SimpleTy;
+
+ MVT() : SimpleTy((SimpleValueType)(INVALID_SIMPLE_VALUE_TYPE)) {}
+ MVT(SimpleValueType SVT) : SimpleTy(SVT) { }
- bool operator==(const MVT VT) const {
- return getRawBits() == VT.getRawBits();
+ 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));
}
- bool operator!=(const MVT VT) const {
- return getRawBits() != VT.getRawBits();
+
+ /// 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;
}
- /// getFloatingPointVT - Returns the MVT 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 MVT getFloatingPointVT(unsigned BitWidth) {
switch (BitWidth) {
default:
assert(false && "Bad bit width!");
case 32:
- return f32;
+ return MVT::f32;
case 64:
- return f64;
+ return MVT::f64;
case 80:
- return f80;
+ return MVT::f80;
case 128:
- return f128;
+ return MVT::f128;
}
}
- /// getIntegerVT - Returns the MVT that represents an integer with the given
- /// number of bits.
static MVT getIntegerVT(unsigned BitWidth) {
switch (BitWidth) {
default:
- break;
+ 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;
}
- return getExtendedIntegerVT(BitWidth);
}
- /// getVectorVT - Returns the MVT that represents a vector NumElements in
- /// length, where each element is of type VT.
static MVT getVectorVT(MVT VT, unsigned NumElements) {
- switch (VT.V) {
+ switch (VT.SimpleTy) {
default:
break;
- case i8:
- if (NumElements == 8) return v8i8;
- if (NumElements == 16) return v16i8;
+ 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 i16:
- if (NumElements == 4) return v4i16;
- if (NumElements == 8) return v8i16;
+ 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 i32:
- if (NumElements == 2) return v2i32;
- if (NumElements == 3) return v3i32;
- if (NumElements == 4) return v4i32;
+ case MVT::i32:
+ if (NumElements == 2) return MVT::v2i32;
+ if (NumElements == 4) return MVT::v4i32;
+ if (NumElements == 8) return MVT::v8i32;
break;
- case i64:
- if (NumElements == 1) return v1i64;
- if (NumElements == 2) return v2i64;
+ 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 f32:
- if (NumElements == 2) return v2f32;
- if (NumElements == 3) return v3f32;
- if (NumElements == 4) return v4f32;
+ case MVT::f32:
+ if (NumElements == 2) return MVT::v2f32;
+ if (NumElements == 4) return MVT::v4f32;
+ if (NumElements == 8) return MVT::v8f32;
break;
- case f64:
- if (NumElements == 2) return v2f64;
+ case MVT::f64:
+ if (NumElements == 2) return MVT::v2f64;
+ if (NumElements == 4) return MVT::v4f64;
break;
}
- return getExtendedVectorVT(VT, NumElements);
+ return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
+ }
+ };
+
+
+ /// EVT - Extended Value Type. Capable of holding value types which are not
+ /// native for any processor (such as the i12345 type), as well as the types
+ /// a MVT can represent.
+ struct EVT {
+ private:
+ MVT V;
+ Type *LLVMTy;
+
+ public:
+ EVT() : V((MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE)),
+ LLVMTy(0) {}
+ EVT(MVT::SimpleValueType SVT) : V(SVT), LLVMTy(0) { }
+ EVT(MVT S) : V(S), LLVMTy(0) {}
+
+ bool operator==(EVT VT) const {
+ return !(*this != VT);
+ }
+ bool operator!=(EVT VT) const {
+ if (V.SimpleTy != VT.V.SimpleTy)
+ return true;
+ if (V.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
+ return LLVMTy != VT.LLVMTy;
+ return false;
+ }
+
+ /// getFloatingPointVT - Returns the EVT that represents a floating point
+ /// type with the given number of bits. There are two floating point types
+ /// with 128 bits - this returns f128 rather than ppcf128.
+ static EVT getFloatingPointVT(unsigned BitWidth) {
+ return MVT::getFloatingPointVT(BitWidth);
+ }
+
+ /// getIntegerVT - Returns the EVT that represents an integer with the given
+ /// number of bits.
+ static EVT getIntegerVT(LLVMContext &Context, unsigned BitWidth) {
+ MVT M = MVT::getIntegerVT(BitWidth);
+ if (M.SimpleTy != MVT::INVALID_SIMPLE_VALUE_TYPE)
+ return M;
+ return getExtendedIntegerVT(Context, BitWidth);
+ }
+
+ /// getVectorVT - Returns the EVT that represents a vector NumElements in
+ /// length, where each element is of type VT.
+ static EVT getVectorVT(LLVMContext &Context, EVT VT, unsigned NumElements) {
+ MVT M = MVT::getVectorVT(VT.V, NumElements);
+ if (M.SimpleTy != MVT::INVALID_SIMPLE_VALUE_TYPE)
+ return M;
+ return getExtendedVectorVT(Context, VT, NumElements);
}
/// getIntVectorWithNumElements - Return any integer vector type that has
/// the specified number of elements.
- static MVT getIntVectorWithNumElements(unsigned NumElts) {
+ static EVT getIntVectorWithNumElements(LLVMContext &C, 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;
+ 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 MVT is simple (as opposed to being
+ /// isSimple - Test if the given EVT is simple (as opposed to being
/// extended).
bool isSimple() const {
- return V <= LastSimpleValueType;
+ return V.SimpleTy <= MVT::LastSimpleValueType;
}
- /// isExtended - Test if the given MVT is extended (as opposed to
+ /// 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() ?
- ((SimpleTy >= f32 && SimpleTy <= ppcf128) ||
- (SimpleTy >= v2f32 && SimpleTy <= v2f64)) :
- isExtendedFloatingPoint();
+ return isSimple() ? V.isFloatingPoint() : isExtendedFloatingPoint();
}
/// isInteger - Return true if this is an integer, or a vector integer type.
bool isInteger() const {
- return isSimple() ?
- ((SimpleTy >= FIRST_INTEGER_VALUETYPE &&
- SimpleTy <= LAST_INTEGER_VALUETYPE) ||
- (SimpleTy >= v8i8 && SimpleTy <= v2i64)) :
- isExtendedInteger();
+ return isSimple() ? V.isInteger() : isExtendedInteger();
}
/// isVector - Return true if this is a vector value type.
bool isVector() const {
- return isSimple() ?
- (SimpleTy >= FIRST_VECTOR_VALUETYPE &&
- SimpleTy <= LAST_VECTOR_VALUETYPE) :
- isExtendedVector();
+ return isSimple() ? V.isVector() : isExtendedVector();
}
/// is64BitVector - Return true if this is a 64-bit vector type.
bool is64BitVector() const {
- return isSimple() ?
- (SimpleTy==v8i8 || SimpleTy==v4i16 || SimpleTy==v2i32 ||
- SimpleTy==v1i64 || SimpleTy==v2f32) :
- isExtended64BitVector();
+ 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 {
- return isSimple() ?
- (SimpleTy==v16i8 || SimpleTy==v8i16 || SimpleTy==v4i32 ||
- SimpleTy==v2i64 || SimpleTy==v4f32 || SimpleTy==v2f64) :
- isExtended128BitVector();
+ 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.
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(MVT VT) const {
+ 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(MVT VT) const {
+ 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(MVT VT) const {
+ 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(MVT VT) const {
+ 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.
- SimpleValueType getSimpleVT() const {
+ /// simple EVT.
+ MVT getSimpleVT() const {
assert(isSimple() && "Expected a SimpleValueType!");
- return SimpleTy;
+ 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.
- MVT getVectorElementType() const {
+ EVT getVectorElementType() const {
assert(isVector() && "Invalid vector type!");
- switch (V) {
- default:
- return getExtendedVectorElementType();
- 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.
unsigned getVectorNumElements() const {
assert(isVector() && "Invalid vector type!");
- switch (V) {
- default:
- return getExtendedVectorNumElements();
- 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.
unsigned getSizeInBits() const {
- switch (V) {
- 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:
- return getExtendedSizeInBits();
- 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;
- }
+ 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 (getSizeInBits() + 7)/8*8;
+ 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.
- 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));
+ }
+
+ /// 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);
}
- /// getIntegerVTBitMask - Return an integer with 1's every place there are
- /// bits in the specified integer value type. FIXME: Should return an apint.
- uint64_t getIntegerVTBitMask() const {
- assert(isInteger() && !isVector() && "Only applies to int scalars!");
- return ~uint64_t(0UL) >> (64-getSizeInBits());
+ /// isPow2VectorType - Returns true if the given vector is a power of 2.
+ bool isPow2VectorType() const {
+ unsigned NElts = getVectorNumElements();
+ return !(NElts & (NElts - 1));
}
- /// 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.
- uint64_t getIntegerVTSignBit() const {
- assert(isInteger() && !isVector() && "Only applies to int scalars!");
- return uint64_t(1UL) << (getSizeInBits()-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.
- uintptr_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()(MVT L, MVT R) const {
- return L.getRawBits() < R.getRawBits();
+ 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;
}
};
// 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 MVT getExtendedIntegerVT(unsigned BitWidth);
- static MVT getExtendedVectorVT(MVT VT, unsigned NumElements);
+ 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;
- MVT getExtendedVectorElementType() const;
+ bool isExtended256BitVector() const;
+ bool isExtended512BitVector() const;
+ EVT getExtendedVectorElementType() const;
unsigned getExtendedVectorNumElements() const;
unsigned getExtendedSizeInBits() const;
};
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