#define LLVM_CODEGEN_VALUETYPES_H
#include <cassert>
+#include "llvm/Support/DataTypes.h"
namespace llvm {
class Type;
///
namespace MVT { // MVT = Machine Value Types
enum ValueType {
- // If you change this numbering, you must change the values in Target.td as
+ // If you change this numbering, you must change the values in ValueTypes.td
// well!
Other = 0, // This is a non-standard value
i1 = 1, // This is a 1 bit integer value
Vector = 13, // This is an abstract vector type, which will
// be expanded into a target vector type, or scalars
// if no matching vector type is available.
- v16i8 = 14, // 16 x i8
- v8i16 = 15, // 8 x i16
- v4i32 = 16, // 4 x i32
- v2i64 = 17, // 2 x i64
- v4f32 = 18, // 4 x f32
- v2f64 = 19, // 2 x f64
+ 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
+ v4i32 = 20, // 4 x i32
+ v2i64 = 21, // 2 x i64
- LAST_VALUETYPE, // This always remains at the end of the list.
+ v2f32 = 22, // 2 x f32
+ v4f32 = 23, // 4 x f32
+ v2f64 = 24, // 2 x f64
+ FIRST_VECTOR_VALUETYPE = v8i8,
+ LAST_VECTOR_VALUETYPE = v2f64,
+
+ LAST_VALUETYPE = 25, // This always remains at the end of the list.
+
+ // iAny - An 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
};
+ /// MVT::isInteger - Return true if this is a simple integer, or a packed
+ /// vector integer type.
static inline bool isInteger(ValueType VT) {
- return (VT >= i1 && VT <= i128) || (VT >= v16i8 && VT <= v2i64);
+ return (VT >= i1 && VT <= i128) || (VT >= v8i8 && VT <= v2i64);
}
+
+ /// MVT::isFloatingPoint - Return true if this is a simple FP, or a packed
+ /// vector FP type.
static inline bool isFloatingPoint(ValueType VT) {
- return (VT >= f32 && VT <= f128) || (VT >= v4f32 && VT <= v2f64);
+ return (VT >= f32 && VT <= f128) || (VT >= v2f32 && VT <= v2f64);
}
+
+ /// MVT::isVector - Return true if this is a packed vector type (i.e. not
+ /// MVT::Vector).
static inline bool isVector(ValueType VT) {
- return (VT >= v16i8 && VT <= v2f64);
- }
-
- /// getVectorType - Returns the ValueType that represents a vector NumElements
- /// in length, where each element is of type VT. If there is no ValueType
- /// that represents this vector, a ValueType of Other is returned.
- ///
- static inline ValueType getVectorType(ValueType VT, unsigned NumElements) {
- switch (VT) {
- default:
- break;
- case MVT::f32:
- if (NumElements == 4) return MVT::v4f32;
- break;
- }
- return MVT::Other;
+ return VT >= FIRST_VECTOR_VALUETYPE && VT <= LAST_VECTOR_VALUETYPE;
}
+ /// MVT::getSizeInBits - Return the size of the specified value type in bits.
+ ///
static inline unsigned getSizeInBits(ValueType VT) {
switch (VT) {
default: assert(0 && "ValueType has no known size!");
- case MVT::i1 : return 1;
- case MVT::i8 : return 8;
- case MVT::i16 : return 16;
+ case MVT::i1 : return 1;
+ case MVT::i8 : return 8;
+ case MVT::i16 : return 16;
case MVT::f32 :
- case MVT::i32 : return 32;
+ case MVT::i32 : return 32;
case MVT::f64 :
- case MVT::i64 : return 64;
- case MVT::f80 : return 80;
+ case MVT::i64 :
+ case MVT::v8i8:
+ case MVT::v4i16:
+ case MVT::v2i32:
+ case MVT::v1i64:
+ case MVT::v2f32: return 64;
+ case MVT::f80 : return 80;
case MVT::f128:
case MVT::i128:
case MVT::v16i8:
case MVT::v2f64: return 128;
}
}
+
+ /// MVT::getVectorType - Returns the ValueType that represents a vector
+ /// NumElements in length, where each element is of type VT. If there is no
+ /// ValueType that represents this vector, a ValueType of Other is returned.
+ ///
+ ValueType getVectorType(ValueType VT, unsigned NumElements);
+
+ /// MVT::getVectorBaseType - Given a packed vector type, return the type of
+ /// each element.
+ static inline ValueType getVectorBaseType(ValueType VT) {
+ switch (VT) {
+ default: assert(0 && "Invalid vector type!");
+ case v8i8 :
+ case v16i8: return i8;
+ case v4i16:
+ case v8i16: return i16;
+ case v2i32:
+ case v4i32: return i32;
+ case v1i64:
+ case v2i64: return i64;
+ case v2f32:
+ case v4f32: return f32;
+ case v2f64: return f64;
+ }
+ }
+
+ /// MVT::getVectorNumElements - Given a packed vector type, return the number
+ /// of elements it contains.
+ static inline unsigned getVectorNumElements(ValueType VT) {
+ switch (VT) {
+ default: assert(0 && "Invalid vector type!");
+ case v16i8: return 16;
+ case v8i8 :
+ case v8i16: return 8;
+ case v4i16:
+ case v4i32:
+ case v4f32: return 4;
+ case v2i32:
+ case v2i64:
+ case v2f32:
+ case v2f64: return 2;
+ case v1i64: return 1;
+ }
+ }
+
+ /// MVT::getIntVectorWithNumElements - Return any integer vector type that has
+ /// the specified number of elements.
+ static inline ValueType getIntVectorWithNumElements(unsigned NumElts) {
+ switch (NumElts) {
+ default: assert(0 && "Invalid vector type!");
+ case 1: return v1i64;
+ case 2: return v2i32;
+ case 4: return v4i16;
+ case 8: return v8i8;
+ case 16: return v16i8;
+ }
+ }
+
+
+ /// MVT::getIntVTBitMask - Return an integer with 1's every place there are
+ /// bits in the specified integer value type.
+ static inline uint64_t getIntVTBitMask(ValueType VT) {
+ assert(isInteger(VT) && !isVector(VT) && "Only applies to int scalars!");
+ return ~uint64_t(0UL) >> (64-getSizeInBits(VT));
+ }
+ /// MVT::getIntVTSignBit - Return an integer with a 1 in the position of the
+ /// sign bit for the specified integer value type.
+ static inline uint64_t getIntVTSignBit(ValueType VT) {
+ assert(isInteger(VT) && !isVector(VT) && "Only applies to int scalars!");
+ return uint64_t(1UL) << (getSizeInBits(VT)-1);
+ }
/// MVT::getValueTypeString - This function returns value type as a string,
/// e.g. "i32".
/// to the specified ValueType. For integer types, this returns an unsigned
/// type. Note that this will abort for types that cannot be represented.
const Type *getTypeForValueType(ValueType VT);
-};
+
+ /// MVT::getValueType - Return the value type corresponding to the specified
+ /// type. This returns all vectors as MVT::Vector and all pointers as
+ /// MVT::iPTR.
+ ValueType getValueType(const Type *Ty);
+}
} // End llvm namespace
projects / oota-llvm.git / blobdiff