#ifndef LLVM_CODEGEN_VALUETYPES_H
#define LLVM_CODEGEN_VALUETYPES_H
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/MathExtras.h"
#include <cassert>
#include <string>
-#include "llvm/System/DataTypes.h"
-#include "llvm/Support/MathExtras.h"
namespace llvm {
class Type;
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
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
+ 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,
+
+ v2i8 = 13, // 2 x i8
+ v4i8 = 14, // 4 x i8
+ v8i8 = 15, // 8 x i8
+ v16i8 = 16, // 16 x i8
+ v32i8 = 17, // 32 x i8
+ v2i16 = 18, // 2 x i16
+ v4i16 = 19, // 4 x i16
+ v8i16 = 20, // 8 x i16
+ v16i16 = 21, // 16 x i16
+ v2i32 = 22, // 2 x i32
+ v4i32 = 23, // 4 x i32
+ v8i32 = 24, // 8 x i32
+ v1i64 = 25, // 1 x i64
+ v2i64 = 26, // 2 x i64
+ v4i64 = 27, // 4 x i64
+ v8i64 = 28, // 8 x i64
+
+ v2f16 = 29, // 2 x f16
+ v2f32 = 30, // 2 x f32
+ v4f32 = 31, // 4 x f32
+ v8f32 = 32, // 8 x f32
+ v2f64 = 33, // 2 x f64
+ v4f64 = 34, // 4 x f64
FIRST_VECTOR_VALUETYPE = v2i8,
LAST_VECTOR_VALUETYPE = v4f64,
+ FIRST_INTEGER_VECTOR_VALUETYPE = v2i8,
+ LAST_INTEGER_VECTOR_VALUETYPE = v8i64,
+ FIRST_FP_VECTOR_VALUETYPE = v2f16,
+ LAST_FP_VECTOR_VALUETYPE = v4f64,
+
+ x86mmx = 35, // This is an X86 MMX value
- x86mmx = 33, // This is an X86 MMX value
+ Glue = 36, // This glues nodes together during pre-RA sched
- Flag = 34, // This glues nodes together during pre-RA sched
+ isVoid = 37, // This has no value
- isVoid = 35, // This has no value
+ Untyped = 38, // This value takes a register, but has
+ // unspecified type. The register class
+ // will be determined by the opcode.
- LAST_VALUETYPE = 36, // This always remains at the end of the list.
+ LAST_VALUETYPE = 39, // 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));
+ return ((SimpleTy >= MVT::FIRST_FP_VALUETYPE &&
+ SimpleTy <= MVT::LAST_FP_VALUETYPE) ||
+ (SimpleTy >= MVT::FIRST_FP_VECTOR_VALUETYPE &&
+ SimpleTy <= MVT::LAST_FP_VECTOR_VALUETYPE));
}
/// 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));
+ (SimpleTy >= MVT::FIRST_INTEGER_VECTOR_VALUETYPE &&
+ SimpleTy <= MVT::LAST_INTEGER_VECTOR_VALUETYPE));
}
/// isVector - Return true if this is a vector value type.
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
+ /// 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())
MVT getScalarType() const {
return isVector() ? getVectorElementType() : *this;
}
-
+
MVT getVectorElementType() const {
switch (SimpleTy) {
default:
- return (MVT::SimpleValueType)(MVT::INVALID_SIMPLE_VALUE_TYPE);
+ llvm_unreachable("Not a vector MVT!");
case v2i8 :
case v4i8 :
case v8i8 :
case v2i64:
case v4i64:
case v8i64: return i64;
+ case v2f16: return f16;
case v2f32:
case v4f32:
case v8f32: return f32;
case v4f64: return f64;
}
}
-
+
unsigned getVectorNumElements() const {
switch (SimpleTy) {
default:
- return ~0U;
+ llvm_unreachable("Not a vector MVT!");
case v32i8: return 32;
case v16i8:
case v16i16: return 16;
case v2i16:
case v2i32:
case v2i64:
+ case v2f16:
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.");
+ llvm_unreachable("Value type size is target-dependent. Ask TLI.");
case iPTRAny:
case iAny:
case fAny:
- assert(0 && "Value type is overloaded.");
+ llvm_unreachable("Value type is overloaded.");
default:
- assert(0 && "getSizeInBits called on extended MVT.");
+ llvm_unreachable("getSizeInBits called on extended MVT.");
case i1 : return 1;
case i8 : return 8;
case i16 :
+ case f16:
case v2i8: return 16;
case f32 :
case i32 :
case v4i8:
- case v2i16: return 32;
+ case v2i16:
+ case v2f16: return 32;
case x86mmx:
case f64 :
case i64 :
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:
- assert(false && "Bad bit width!");
+ llvm_unreachable("Bad bit width!");
+ case 16:
+ return MVT::f16;
case 32:
return MVT::f32;
case 64:
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 == 4) return MVT::v4i64;
if (NumElements == 8) return MVT::v8i64;
break;
+ 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;
}
};
- 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)),
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) {
- 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
}
/// is256BitVector - Return true if this is a 256-bit vector type.
- inline bool is256BitVector() const {
+ bool is256BitVector() const {
if (!isSimple())
return isExtended256BitVector();
return (V == MVT::v8f32 || V == MVT::v4f64 || V == MVT::v32i8 ||
}
/// is512BitVector - Return true if this is a 512-bit vector type.
- inline bool is512BitVector() const {
+ bool is512BitVector() const {
return isSimple() ? (V == MVT::v8i64) : isExtended512BitVector();
}
EVT getScalarType() const {
return isVector() ? getVectorElementType() : *this;
}
-
+
/// getVectorElementType - Given a vector type, return the type of
/// each element.
EVT getVectorElementType() const {
/// 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 (isSimple())
// 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);