class LLVMContext;
struct EVT;
- class 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 = 14, // 2 x i8
- v4i8 = 15, // 4 x i8
- v8i8 = 16, // 8 x i8
- v16i8 = 17, // 16 x i8
- v32i8 = 18, // 32 x i8
- v2i16 = 19, // 2 x i16
- v4i16 = 20, // 4 x i16
- v8i16 = 21, // 8 x i16
- v16i16 = 22, // 16 x i16
- v2i32 = 23, // 2 x i32
- v4i32 = 24, // 4 x i32
- v8i32 = 25, // 8 x i32
- v1i64 = 26, // 1 x i64
- v2i64 = 27, // 2 x i64
- v4i64 = 28, // 4 x i64
-
- v2f32 = 29, // 2 x f32
- v4f32 = 30, // 4 x f32
- v8f32 = 31, // 8 x f32
- v2f64 = 32, // 2 x f64
- v4f64 = 33, // 4 x f64
+
+ 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,
- LAST_VALUETYPE = 34, // This always remains at the end of the list.
+ 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.
- // EVT::MAX_ALLOWED_VALUETYPE is used for asserts and to size bit vectors
+ // 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,
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));
+ (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::v4i64));
+ (SimpleTy >= MVT::v2i8 && SimpleTy <= MVT::v8i64));
}
/// isVector - Return true if this is a vector value type.
return (SimpleTy >= MVT::FIRST_VECTOR_VALUETYPE &&
SimpleTy <= MVT::LAST_VECTOR_VALUETYPE);
}
-
- /// isPow2VectorType - Retuns true if the given vector is a power of 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
+ /// 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()) {
- unsigned NElts = getVectorNumElements();
- unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts);
- return MVT::getVectorVT(getVectorElementType(), Pow2NElts);
- }
- else {
+ 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:
case v8i32: return i32;
case v1i64:
case v2i64:
- case v4i64: return i64;
+ case v4i64:
+ case v8i64: return i64;
case v2f32:
case v4f32:
case v8f32: return f32;
case v4f64: return f64;
}
}
-
+
unsigned getVectorNumElements() const {
switch (SimpleTy) {
default:
case v8i8 :
case v8i16:
case v8i32:
+ case v8i64:
case v8f32: return 8;
case v4i8:
case v4i16:
case v1i64: return 1;
}
}
-
+
unsigned getSizeInBits() const {
switch (SimpleTy) {
case iPTR:
case i32 :
case v4i8:
case v2i16: return 32;
+ case x86mmx:
case f64 :
case i64 :
case v8i8:
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:
return MVT::f128;
}
}
-
+
static MVT getIntegerVT(unsigned BitWidth) {
switch (BitWidth) {
default:
return MVT::i128;
}
}
-
+
static MVT getVectorVT(MVT VT, unsigned NumElements) {
switch (VT.SimpleTy) {
default:
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;
}
return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
}
-
- static MVT getIntVectorWithNumElements(unsigned NumElts) {
- switch (NumElts) {
- default: return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
- 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;
- }
- }
};
- 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)),
EVT(MVT::SimpleValueType SVT) : V(SVT), LLVMTy(0) { }
EVT(MVT S) : V(S), LLVMTy(0) {}
- bool operator==(const EVT VT) const {
- if (V.SimpleTy == VT.V.SimpleTy) {
- if (V.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
- return LLVMTy == VT.LLVMTy;
+ 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;
}
- bool operator!=(const EVT VT) const {
- if (V.SimpleTy == VT.V.SimpleTy) {
- if (V.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
- return LLVMTy != VT.LLVMTy;
- return false;
- }
- return true;
- }
/// getFloatingPointVT - Returns the EVT that represents a floating point
/// type with the given number of bits. There are two floating point types
/// number of bits.
static EVT getIntegerVT(LLVMContext &Context, unsigned BitWidth) {
MVT M = MVT::getIntegerVT(BitWidth);
- if (M.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
- return getExtendedIntegerVT(Context, BitWidth);
- else
+ 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 getExtendedVectorVT(Context, VT, NumElements);
- else
+ 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) {
- MVT M = MVT::getIntVectorWithNumElements(NumElts);
- if (M.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
- return getVectorVT(C, MVT::i8, NumElts);
- else
- return M;
+ 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
/// isFloatingPoint - Return true if this is a FP, or a vector FP type.
bool isFloatingPoint() const {
- return isSimple() ?
- ((V >= MVT::f32 && V <= MVT::ppcf128) ||
- (V >= MVT::v2f32 && V <= MVT::v4f64)) : isExtendedFloatingPoint();
+ return isSimple() ? V.isFloatingPoint() : isExtendedFloatingPoint();
}
/// isInteger - Return true if this is an integer, or a vector integer type.
bool isInteger() const {
- return isSimple() ?
- ((V >= MVT::FIRST_INTEGER_VALUETYPE &&
- V <= MVT::LAST_INTEGER_VALUETYPE) ||
- (V >= MVT::v2i8 && V <= MVT::v4i64)) : isExtendedInteger();
+ return isSimple() ? V.isInteger() : isExtendedInteger();
}
/// isVector - Return true if this is a vector value type.
bool isVector() const {
- return isSimple() ?
- (V >= MVT::FIRST_VECTOR_VALUETYPE && V <=
- MVT::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() ?
- (V==MVT::v8i8 || V==MVT::v4i16 || V==MVT::v2i32 ||
- V==MVT::v1i64 || V==MVT::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() ?
- (V==MVT::v16i8 || V==MVT::v8i16 || V==MVT::v4i32 ||
- V==MVT::v2i64 || V==MVT::v4f32 || V==MVT::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 {
- return isSimple() ?
- (V==MVT::v8f32 || V==MVT::v4f64 || V==MVT::v32i8 ||
- V==MVT::v16i16 || V==MVT::v8i32 || V==MVT::v4i64) :
- isExtended256BitVector();
+ 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.
/// 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();
}
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();
- else
- return getExtendedVectorElementType();
+ return getExtendedVectorElementType();
}
/// getVectorNumElements - Given a vector type, return the number of
assert(isVector() && "Invalid vector type!");
if (isSimple())
return V.getVectorNumElements();
- else
- return getExtendedVectorNumElements();
+ return getExtendedVectorNumElements();
}
/// getSizeInBits - Return the size of the specified value type in bits.
unsigned getSizeInBits() const {
if (isSimple())
return V.getSizeInBits();
- else
- return getExtendedSizeInBits();
+ return getExtendedSizeInBits();
}
/// getStoreSize - Return the number of bytes overwritten by a store
unsigned BitWidth = getSizeInBits();
if (BitWidth <= 8)
return EVT(MVT::i8);
- else
- return getIntegerVT(Context, 1 << Log2_32_Ceil(BitWidth));
+ return getIntegerVT(Context, 1 << Log2_32_Ceil(BitWidth));
}
- /// isPow2VectorType - Retuns true if the given vector is a power of 2.
+ /// 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));
/// 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() {
- if (V.SimpleTy <= MVT::LastSimpleValueType)
+ if (isSimple())
return V.SimpleTy;
else
return (intptr_t)(LLVMTy);
// 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 isExtended64BitVector() const;
bool isExtended128BitVector() const;
bool isExtended256BitVector() const;
+ bool isExtended512BitVector() const;
EVT getExtendedVectorElementType() const;
unsigned getExtendedVectorNumElements() const;
unsigned getExtendedSizeInBits() const;
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