- 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,
-
- Flag = 33, // This glues nodes together during pre-RA sched
-
- isVoid = 34, // This has no value
-
- LAST_VALUETYPE = 35, // 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;