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MachineValueType.h
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MachineValueType.h
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//===- Support/MachineValueType.h - Machine-Level types ---------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines the set of machine-level target independent types which
// legal values in the code generator use.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_MACHINEVALUETYPE_H
#define LLVM_SUPPORT_MACHINEVALUETYPE_H
#include "llvm/ADT/Sequence.h"
#include "llvm/ADT/iterator_range.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/TypeSize.h"
#include <cassert>
namespace llvm {
class Type;
/// 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 an MVT.
class MVT {
public:
enum SimpleValueType : uint8_t {
// clang-format off
// Simple value types that aren't explicitly part of this enumeration
// are considered extended value types.
INVALID_SIMPLE_VALUE_TYPE = 0,
// If you change this numbering, you must change the values in
// ValueTypes.td as well!
Other = 1, // This is a non-standard value
i1 = 2, // This is a 1 bit integer value
i2 = 3, // This is a 2 bit integer value
i4 = 4, // This is a 4 bit integer value
i8 = 5, // This is an 8 bit integer value
i16 = 6, // This is a 16 bit integer value
i32 = 7, // This is a 32 bit integer value
i64 = 8, // This is a 64 bit integer value
i128 = 9, // This is a 128 bit integer value
FIRST_INTEGER_VALUETYPE = i1,
LAST_INTEGER_VALUETYPE = i128,
bf16 = 10, // This is a 16 bit brain floating point value
f16 = 11, // This is a 16 bit floating point value
f32 = 12, // This is a 32 bit floating point value
f64 = 13, // This is a 64 bit floating point value
f80 = 14, // This is a 80 bit floating point value
f128 = 15, // This is a 128 bit floating point value
ppcf128 = 16, // This is a PPC 128-bit floating point value
FIRST_FP_VALUETYPE = bf16,
LAST_FP_VALUETYPE = ppcf128,
v1i1 = 17, // 1 x i1
v2i1 = 18, // 2 x i1
v4i1 = 19, // 4 x i1
v8i1 = 20, // 8 x i1
v16i1 = 21, // 16 x i1
v32i1 = 22, // 32 x i1
v64i1 = 23, // 64 x i1
v128i1 = 24, // 128 x i1
v256i1 = 25, // 256 x i1
v512i1 = 26, // 512 x i1
v1024i1 = 27, // 1024 x i1
v128i2 = 28, // 128 x i2
v64i4 = 29, // 64 x i4
v1i8 = 30, // 1 x i8
v2i8 = 31, // 2 x i8
v4i8 = 32, // 4 x i8
v8i8 = 33, // 8 x i8
v16i8 = 34, // 16 x i8
v32i8 = 35, // 32 x i8
v64i8 = 36, // 64 x i8
v128i8 = 37, // 128 x i8
v256i8 = 38, // 256 x i8
v512i8 = 39, // 512 x i8
v1024i8 = 40, // 1024 x i8
v1i16 = 41, // 1 x i16
v2i16 = 42, // 2 x i16
v3i16 = 43, // 3 x i16
v4i16 = 44, // 4 x i16
v8i16 = 45, // 8 x i16
v16i16 = 46, // 16 x i16
v32i16 = 47, // 32 x i16
v64i16 = 48, // 64 x i16
v128i16 = 49, // 128 x i16
v256i16 = 50, // 256 x i16
v512i16 = 51, // 512 x i16
v1i32 = 52, // 1 x i32
v2i32 = 53, // 2 x i32
v3i32 = 54, // 3 x i32
v4i32 = 55, // 4 x i32
v5i32 = 56, // 5 x i32
v6i32 = 57, // 6 x i32
v7i32 = 58, // 7 x i32
v8i32 = 59, // 8 x i32
v16i32 = 60, // 16 x i32
v32i32 = 61, // 32 x i32
v64i32 = 62, // 64 x i32
v128i32 = 63, // 128 x i32
v256i32 = 64, // 256 x i32
v512i32 = 65, // 512 x i32
v1024i32 = 66, // 1024 x i32
v2048i32 = 67, // 2048 x i32
v1i64 = 68, // 1 x i64
v2i64 = 69, // 2 x i64
v3i64 = 70, // 3 x i64
v4i64 = 71, // 4 x i64
v8i64 = 72, // 8 x i64
v16i64 = 73, // 16 x i64
v32i64 = 74, // 32 x i64
v64i64 = 75, // 64 x i64
v128i64 = 76, // 128 x i64
v256i64 = 77, // 256 x i64
v1i128 = 78, // 1 x i128
FIRST_INTEGER_FIXEDLEN_VECTOR_VALUETYPE = v1i1,
LAST_INTEGER_FIXEDLEN_VECTOR_VALUETYPE = v1i128,
v1f16 = 79, // 1 x f16
v2f16 = 80, // 2 x f16
v3f16 = 81, // 3 x f16
v4f16 = 82, // 4 x f16
v8f16 = 83, // 8 x f16
v16f16 = 84, // 16 x f16
v32f16 = 85, // 32 x f16
v64f16 = 86, // 64 x f16
v128f16 = 87, // 128 x f16
v256f16 = 88, // 256 x f16
v512f16 = 89, // 256 x f16
v2bf16 = 90, // 2 x bf16
v3bf16 = 91, // 3 x bf16
v4bf16 = 92, // 4 x bf16
v8bf16 = 93, // 8 x bf16
v16bf16 = 94, // 16 x bf16
v32bf16 = 95, // 32 x bf16
v64bf16 = 96, // 64 x bf16
v128bf16 = 97, // 128 x bf16
v1f32 = 98, // 1 x f32
v2f32 = 99, // 2 x f32
v3f32 = 100, // 3 x f32
v4f32 = 101, // 4 x f32
v5f32 = 102, // 5 x f32
v6f32 = 103, // 6 x f32
v7f32 = 104, // 7 x f32
v8f32 = 105, // 8 x f32
v16f32 = 106, // 16 x f32
v32f32 = 107, // 32 x f32
v64f32 = 108, // 64 x f32
v128f32 = 109, // 128 x f32
v256f32 = 110, // 256 x f32
v512f32 = 111, // 512 x f32
v1024f32 = 112, // 1024 x f32
v2048f32 = 113, // 2048 x f32
v1f64 = 114, // 1 x f64
v2f64 = 115, // 2 x f64
v3f64 = 116, // 3 x f64
v4f64 = 117, // 4 x f64
v8f64 = 118, // 8 x f64
v16f64 = 119, // 16 x f64
v32f64 = 120, // 32 x f64
v64f64 = 121, // 64 x f64
v128f64 = 122, // 128 x f64
v256f64 = 123, // 256 x f64
FIRST_FP_FIXEDLEN_VECTOR_VALUETYPE = v1f16,
LAST_FP_FIXEDLEN_VECTOR_VALUETYPE = v256f64,
FIRST_FIXEDLEN_VECTOR_VALUETYPE = v1i1,
LAST_FIXEDLEN_VECTOR_VALUETYPE = v256f64,
nxv1i1 = 124, // n x 1 x i1
nxv2i1 = 125, // n x 2 x i1
nxv4i1 = 126, // n x 4 x i1
nxv8i1 = 127, // n x 8 x i1
nxv16i1 = 128, // n x 16 x i1
nxv32i1 = 129, // n x 32 x i1
nxv64i1 = 130, // n x 64 x i1
nxv1i8 = 131, // n x 1 x i8
nxv2i8 = 132, // n x 2 x i8
nxv4i8 = 133, // n x 4 x i8
nxv8i8 = 134, // n x 8 x i8
nxv16i8 = 135, // n x 16 x i8
nxv32i8 = 136, // n x 32 x i8
nxv64i8 = 137, // n x 64 x i8
nxv1i16 = 138, // n x 1 x i16
nxv2i16 = 139, // n x 2 x i16
nxv4i16 = 140, // n x 4 x i16
nxv8i16 = 141, // n x 8 x i16
nxv16i16 = 142, // n x 16 x i16
nxv32i16 = 143, // n x 32 x i16
nxv1i32 = 144, // n x 1 x i32
nxv2i32 = 145, // n x 2 x i32
nxv4i32 = 146, // n x 4 x i32
nxv8i32 = 147, // n x 8 x i32
nxv16i32 = 148, // n x 16 x i32
nxv32i32 = 149, // n x 32 x i32
nxv1i64 = 150, // n x 1 x i64
nxv2i64 = 151, // n x 2 x i64
nxv4i64 = 152, // n x 4 x i64
nxv8i64 = 153, // n x 8 x i64
nxv16i64 = 154, // n x 16 x i64
nxv32i64 = 155, // n x 32 x i64
FIRST_INTEGER_SCALABLE_VECTOR_VALUETYPE = nxv1i1,
LAST_INTEGER_SCALABLE_VECTOR_VALUETYPE = nxv32i64,
nxv1f16 = 156, // n x 1 x f16
nxv2f16 = 157, // n x 2 x f16
nxv4f16 = 158, // n x 4 x f16
nxv8f16 = 159, // n x 8 x f16
nxv16f16 = 160, // n x 16 x f16
nxv32f16 = 161, // n x 32 x f16
nxv1bf16 = 162, // n x 1 x bf16
nxv2bf16 = 163, // n x 2 x bf16
nxv4bf16 = 164, // n x 4 x bf16
nxv8bf16 = 165, // n x 8 x bf16
nxv16bf16 = 166, // n x 16 x bf16
nxv32bf16 = 167, // n x 32 x bf16
nxv1f32 = 168, // n x 1 x f32
nxv2f32 = 169, // n x 2 x f32
nxv4f32 = 170, // n x 4 x f32
nxv8f32 = 171, // n x 8 x f32
nxv16f32 = 172, // n x 16 x f32
nxv1f64 = 173, // n x 1 x f64
nxv2f64 = 174, // n x 2 x f64
nxv4f64 = 175, // n x 4 x f64
nxv8f64 = 176, // n x 8 x f64
FIRST_FP_SCALABLE_VECTOR_VALUETYPE = nxv1f16,
LAST_FP_SCALABLE_VECTOR_VALUETYPE = nxv8f64,
FIRST_SCALABLE_VECTOR_VALUETYPE = nxv1i1,
LAST_SCALABLE_VECTOR_VALUETYPE = nxv8f64,
FIRST_VECTOR_VALUETYPE = v1i1,
LAST_VECTOR_VALUETYPE = nxv8f64,
x86mmx = 177, // This is an X86 MMX value
Glue = 178, // This glues nodes together during pre-RA sched
isVoid = 179, // This has no value
Untyped = 180, // This value takes a register, but has
// unspecified type. The register class
// will be determined by the opcode.
funcref = 181, // WebAssembly's funcref type
externref = 182, // WebAssembly's externref type
x86amx = 183, // This is an X86 AMX value
i64x8 = 184, // 8 Consecutive GPRs (AArch64)
FIRST_VALUETYPE = 1, // This is always the beginning of the list.
LAST_VALUETYPE = i64x8, // This always remains at the end of the list.
VALUETYPE_SIZE = LAST_VALUETYPE + 1,
// 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 = 192,
// A value of type llvm::TokenTy
token = 248,
// This is MDNode or MDString.
Metadata = 249,
// 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 = 250,
// 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 = 251,
// 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 = 252,
// 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 = 253,
// An int value the size of the pointer of the current
// target. This should only be used internal to tblgen!
iPTR = 254,
// Any type. This is used for intrinsics that have overloadings.
// This is only for tblgen's consumption!
Any = 255
// clang-format on
};
SimpleValueType SimpleTy = INVALID_SIMPLE_VALUE_TYPE;
constexpr MVT() = default;
constexpr 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; }
/// Return true if this is a valid simple valuetype.
bool isValid() const {
return (SimpleTy >= MVT::FIRST_VALUETYPE &&
SimpleTy <= MVT::LAST_VALUETYPE);
}
/// Return true if this is a FP or a vector FP type.
bool isFloatingPoint() const {
return ((SimpleTy >= MVT::FIRST_FP_VALUETYPE &&
SimpleTy <= MVT::LAST_FP_VALUETYPE) ||
(SimpleTy >= MVT::FIRST_FP_FIXEDLEN_VECTOR_VALUETYPE &&
SimpleTy <= MVT::LAST_FP_FIXEDLEN_VECTOR_VALUETYPE) ||
(SimpleTy >= MVT::FIRST_FP_SCALABLE_VECTOR_VALUETYPE &&
SimpleTy <= MVT::LAST_FP_SCALABLE_VECTOR_VALUETYPE));
}
/// 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::FIRST_INTEGER_FIXEDLEN_VECTOR_VALUETYPE &&
SimpleTy <= MVT::LAST_INTEGER_FIXEDLEN_VECTOR_VALUETYPE) ||
(SimpleTy >= MVT::FIRST_INTEGER_SCALABLE_VECTOR_VALUETYPE &&
SimpleTy <= MVT::LAST_INTEGER_SCALABLE_VECTOR_VALUETYPE));
}
/// Return true if this is an integer, not including vectors.
bool isScalarInteger() const {
return (SimpleTy >= MVT::FIRST_INTEGER_VALUETYPE &&
SimpleTy <= MVT::LAST_INTEGER_VALUETYPE);
}
/// Return true if this is a vector value type.
bool isVector() const {
return (SimpleTy >= MVT::FIRST_VECTOR_VALUETYPE &&
SimpleTy <= MVT::LAST_VECTOR_VALUETYPE);
}
/// Return true if this is a vector value type where the
/// runtime length is machine dependent
bool isScalableVector() const {
return (SimpleTy >= MVT::FIRST_SCALABLE_VECTOR_VALUETYPE &&
SimpleTy <= MVT::LAST_SCALABLE_VECTOR_VALUETYPE);
}
bool isFixedLengthVector() const {
return (SimpleTy >= MVT::FIRST_FIXEDLEN_VECTOR_VALUETYPE &&
SimpleTy <= MVT::LAST_FIXEDLEN_VECTOR_VALUETYPE);
}
/// Return true if this is a 16-bit vector type.
bool is16BitVector() const {
return (SimpleTy == MVT::v2i8 || SimpleTy == MVT::v1i16 ||
SimpleTy == MVT::v16i1 || SimpleTy == MVT::v1f16);
}
/// Return true if this is a 32-bit vector type.
bool is32BitVector() const {
return (SimpleTy == MVT::v32i1 || SimpleTy == MVT::v4i8 ||
SimpleTy == MVT::v2i16 || SimpleTy == MVT::v1i32 ||
SimpleTy == MVT::v2f16 || SimpleTy == MVT::v2bf16 ||
SimpleTy == MVT::v1f32);
}
/// Return true if this is a 64-bit vector type.
bool is64BitVector() const {
return (SimpleTy == MVT::v64i1 || SimpleTy == MVT::v8i8 ||
SimpleTy == MVT::v4i16 || SimpleTy == MVT::v2i32 ||
SimpleTy == MVT::v1i64 || SimpleTy == MVT::v4f16 ||
SimpleTy == MVT::v4bf16 ||SimpleTy == MVT::v2f32 ||
SimpleTy == MVT::v1f64);
}
/// Return true if this is a 128-bit vector type.
bool is128BitVector() const {
return (SimpleTy == MVT::v128i1 || SimpleTy == MVT::v16i8 ||
SimpleTy == MVT::v8i16 || SimpleTy == MVT::v4i32 ||
SimpleTy == MVT::v2i64 || SimpleTy == MVT::v1i128 ||
SimpleTy == MVT::v8f16 || SimpleTy == MVT::v8bf16 ||
SimpleTy == MVT::v4f32 || SimpleTy == MVT::v2f64);
}
/// Return true if this is a 256-bit vector type.
bool is256BitVector() const {
return (SimpleTy == MVT::v16f16 || SimpleTy == MVT::v16bf16 ||
SimpleTy == MVT::v8f32 || SimpleTy == MVT::v4f64 ||
SimpleTy == MVT::v32i8 || SimpleTy == MVT::v16i16 ||
SimpleTy == MVT::v8i32 || SimpleTy == MVT::v4i64 ||
SimpleTy == MVT::v256i1 || SimpleTy == MVT::v128i2 ||
SimpleTy == MVT::v64i4);
}
/// Return true if this is a 512-bit vector type.
bool is512BitVector() const {
return (SimpleTy == MVT::v32f16 || SimpleTy == MVT::v32bf16 ||
SimpleTy == MVT::v16f32 || SimpleTy == MVT::v8f64 ||
SimpleTy == MVT::v512i1 || SimpleTy == MVT::v64i8 ||
SimpleTy == MVT::v32i16 || SimpleTy == MVT::v16i32 ||
SimpleTy == MVT::v8i64);
}
/// Return true if this is a 1024-bit vector type.
bool is1024BitVector() const {
return (SimpleTy == MVT::v1024i1 || SimpleTy == MVT::v128i8 ||
SimpleTy == MVT::v64i16 || SimpleTy == MVT::v32i32 ||
SimpleTy == MVT::v16i64 || SimpleTy == MVT::v64f16 ||
SimpleTy == MVT::v32f32 || SimpleTy == MVT::v16f64 ||
SimpleTy == MVT::v64bf16);
}
/// Return true if this is a 2048-bit vector type.
bool is2048BitVector() const {
return (SimpleTy == MVT::v256i8 || SimpleTy == MVT::v128i16 ||
SimpleTy == MVT::v64i32 || SimpleTy == MVT::v32i64 ||
SimpleTy == MVT::v128f16 || SimpleTy == MVT::v64f32 ||
SimpleTy == MVT::v32f64 || SimpleTy == MVT::v128bf16);
}
/// Return true if this is an overloaded type for TableGen.
bool isOverloaded() const {
return (SimpleTy == MVT::Any || SimpleTy == MVT::iAny ||
SimpleTy == MVT::fAny || SimpleTy == MVT::vAny ||
SimpleTy == MVT::iPTRAny);
}
/// 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.
MVT changeVectorElementTypeToInteger() const {
MVT EltTy = getVectorElementType();
MVT IntTy = MVT::getIntegerVT(EltTy.getSizeInBits());
MVT VecTy = MVT::getVectorVT(IntTy, getVectorElementCount());
assert(VecTy.SimpleTy != MVT::INVALID_SIMPLE_VALUE_TYPE &&
"Simple vector VT not representable by simple integer vector VT!");
return VecTy;
}
/// Return a VT for a vector type whose attributes match ourselves
/// with the exception of the element type that is chosen by the caller.
MVT changeVectorElementType(MVT EltVT) const {
MVT VecTy = MVT::getVectorVT(EltVT, getVectorElementCount());
assert(VecTy.SimpleTy != MVT::INVALID_SIMPLE_VALUE_TYPE &&
"Simple vector VT not representable by simple integer vector VT!");
return VecTy;
}
/// Return the type converted to an equivalently sized integer or vector
/// with integer element type. Similar to changeVectorElementTypeToInteger,
/// but also handles scalars.
MVT changeTypeToInteger() {
if (isVector())
return changeVectorElementTypeToInteger();
return MVT::getIntegerVT(getSizeInBits());
}
/// Return a VT for a vector type with the same element type but
/// half the number of elements.
MVT getHalfNumVectorElementsVT() const {
MVT EltVT = getVectorElementType();
auto EltCnt = getVectorElementCount();
assert(EltCnt.isKnownEven() && "Splitting vector, but not in half!");
return getVectorVT(EltVT, EltCnt.divideCoefficientBy(2));
}
/// Returns true if the given vector is a power of 2.
bool isPow2VectorType() const {
unsigned NElts = getVectorMinNumElements();
return !(NElts & (NElts - 1));
}
/// 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;
ElementCount NElts = getVectorElementCount();
unsigned NewMinCount = 1 << Log2_32_Ceil(NElts.getKnownMinValue());
NElts = ElementCount::get(NewMinCount, NElts.isScalable());
return MVT::getVectorVT(getVectorElementType(), NElts);
}
/// If this is a vector, return the element type, otherwise return this.
MVT getScalarType() const {
return isVector() ? getVectorElementType() : *this;
}
MVT getVectorElementType() const {
// clang-format off
switch (SimpleTy) {
default:
llvm_unreachable("Not a vector MVT!");
case v1i1:
case v2i1:
case v4i1:
case v8i1:
case v16i1:
case v32i1:
case v64i1:
case v128i1:
case v256i1:
case v512i1:
case v1024i1:
case nxv1i1:
case nxv2i1:
case nxv4i1:
case nxv8i1:
case nxv16i1:
case nxv32i1:
case nxv64i1: return i1;
case v128i2: return i2;
case v64i4: return i4;
case v1i8:
case v2i8:
case v4i8:
case v8i8:
case v16i8:
case v32i8:
case v64i8:
case v128i8:
case v256i8:
case v512i8:
case v1024i8:
case nxv1i8:
case nxv2i8:
case nxv4i8:
case nxv8i8:
case nxv16i8:
case nxv32i8:
case nxv64i8: return i8;
case v1i16:
case v2i16:
case v3i16:
case v4i16:
case v8i16:
case v16i16:
case v32i16:
case v64i16:
case v128i16:
case v256i16:
case v512i16:
case nxv1i16:
case nxv2i16:
case nxv4i16:
case nxv8i16:
case nxv16i16:
case nxv32i16: return i16;
case v1i32:
case v2i32:
case v3i32:
case v4i32:
case v5i32:
case v6i32:
case v7i32:
case v8i32:
case v16i32:
case v32i32:
case v64i32:
case v128i32:
case v256i32:
case v512i32:
case v1024i32:
case v2048i32:
case nxv1i32:
case nxv2i32:
case nxv4i32:
case nxv8i32:
case nxv16i32:
case nxv32i32: return i32;
case v1i64:
case v2i64:
case v3i64:
case v4i64:
case v8i64:
case v16i64:
case v32i64:
case v64i64:
case v128i64:
case v256i64:
case nxv1i64:
case nxv2i64:
case nxv4i64:
case nxv8i64:
case nxv16i64:
case nxv32i64: return i64;
case v1i128: return i128;
case v1f16:
case v2f16:
case v3f16:
case v4f16:
case v8f16:
case v16f16:
case v32f16:
case v64f16:
case v128f16:
case v256f16:
case v512f16:
case nxv1f16:
case nxv2f16:
case nxv4f16:
case nxv8f16:
case nxv16f16:
case nxv32f16: return f16;
case v2bf16:
case v3bf16:
case v4bf16:
case v8bf16:
case v16bf16:
case v32bf16:
case v64bf16:
case v128bf16:
case nxv1bf16:
case nxv2bf16:
case nxv4bf16:
case nxv8bf16:
case nxv16bf16:
case nxv32bf16: return bf16;
case v1f32:
case v2f32:
case v3f32:
case v4f32:
case v5f32:
case v6f32:
case v7f32:
case v8f32:
case v16f32:
case v32f32:
case v64f32:
case v128f32:
case v256f32:
case v512f32:
case v1024f32:
case v2048f32:
case nxv1f32:
case nxv2f32:
case nxv4f32:
case nxv8f32:
case nxv16f32: return f32;
case v1f64:
case v2f64:
case v3f64:
case v4f64:
case v8f64:
case v16f64:
case v32f64:
case v64f64:
case v128f64:
case v256f64:
case nxv1f64:
case nxv2f64:
case nxv4f64:
case nxv8f64: return f64;
}
// clang-format on
}
/// Given a vector type, return the minimum number of elements it contains.
unsigned getVectorMinNumElements() const {
switch (SimpleTy) {
default:
llvm_unreachable("Not a vector MVT!");
case v2048i32:
case v2048f32: return 2048;
case v1024i1:
case v1024i8:
case v1024i32:
case v1024f32: return 1024;
case v512i1:
case v512i8:
case v512i16:
case v512i32:
case v512f16:
case v512f32: return 512;
case v256i1:
case v256i8:
case v256i16:
case v256f16:
case v256i32:
case v256i64:
case v256f32:
case v256f64: return 256;
case v128i1:
case v128i2:
case v128i8:
case v128i16:
case v128i32:
case v128i64:
case v128f16:
case v128bf16:
case v128f32:
case v128f64: return 128;
case v64i1:
case v64i4:
case v64i8:
case v64i16:
case v64i32:
case v64i64:
case v64f16:
case v64bf16:
case v64f32:
case v64f64:
case nxv64i1:
case nxv64i8: return 64;
case v32i1:
case v32i8:
case v32i16:
case v32i32:
case v32i64:
case v32f16:
case v32bf16:
case v32f32:
case v32f64:
case nxv32i1:
case nxv32i8:
case nxv32i16:
case nxv32i32:
case nxv32i64:
case nxv32f16:
case nxv32bf16: return 32;
case v16i1:
case v16i8:
case v16i16:
case v16i32:
case v16i64:
case v16f16:
case v16bf16:
case v16f32:
case v16f64:
case nxv16i1:
case nxv16i8:
case nxv16i16:
case nxv16i32:
case nxv16i64:
case nxv16f16:
case nxv16bf16:
case nxv16f32: return 16;
case v8i1:
case v8i8:
case v8i16:
case v8i32:
case v8i64:
case v8f16:
case v8bf16:
case v8f32:
case v8f64:
case nxv8i1:
case nxv8i8:
case nxv8i16:
case nxv8i32:
case nxv8i64:
case nxv8f16:
case nxv8bf16:
case nxv8f32:
case nxv8f64: return 8;
case v7i32:
case v7f32: return 7;
case v6i32:
case v6f32: return 6;
case v5i32:
case v5f32: return 5;
case v4i1:
case v4i8:
case v4i16:
case v4i32:
case v4i64:
case v4f16:
case v4bf16:
case v4f32:
case v4f64:
case nxv4i1:
case nxv4i8:
case nxv4i16:
case nxv4i32:
case nxv4i64:
case nxv4f16:
case nxv4bf16:
case nxv4f32:
case nxv4f64: return 4;
case v3i16:
case v3i32:
case v3i64:
case v3f16:
case v3bf16:
case v3f32:
case v3f64: return 3;
case v2i1:
case v2i8:
case v2i16:
case v2i32:
case v2i64:
case v2f16:
case v2bf16:
case v2f32:
case v2f64:
case nxv2i1:
case nxv2i8:
case nxv2i16:
case nxv2i32:
case nxv2i64:
case nxv2f16:
case nxv2bf16:
case nxv2f32:
case nxv2f64: return 2;
case v1i1:
case v1i8:
case v1i16:
case v1i32:
case v1i64:
case v1i128:
case v1f16:
case v1f32:
case v1f64:
case nxv1i1:
case nxv1i8:
case nxv1i16:
case nxv1i32:
case nxv1i64:
case nxv1f16:
case nxv1bf16:
case nxv1f32:
case nxv1f64: return 1;
}
}
ElementCount getVectorElementCount() const {
return ElementCount::get(getVectorMinNumElements(), isScalableVector());
}
unsigned getVectorNumElements() const {
if (isScalableVector())
llvm::reportInvalidSizeRequest(
"Possible incorrect use of MVT::getVectorNumElements() for "
"scalable vector. Scalable flag may be dropped, use "
"MVT::getVectorElementCount() instead");
return getVectorMinNumElements();
}
/// Returns the size of the specified MVT in bits.
///
/// If the value type is a scalable vector type, the scalable property will
/// be set and the runtime size will be a positive integer multiple of the
/// base size.
TypeSize getSizeInBits() const {
switch (SimpleTy) {
default:
llvm_unreachable("getSizeInBits called on extended MVT.");
case Other:
llvm_unreachable("Value type is non-standard value, Other.");
case iPTR:
llvm_unreachable("Value type size is target-dependent. Ask TLI.");
case iPTRAny:
case iAny:
case fAny:
case vAny:
case Any:
llvm_unreachable("Value type is overloaded.");
case token:
llvm_unreachable("Token type is a sentinel that cannot be used "
"in codegen and has no size");
case Metadata:
llvm_unreachable("Value type is metadata.");
case i1:
case v1i1: return TypeSize::Fixed(1);
case nxv1i1: return TypeSize::Scalable(1);
case i2:
case v2i1: return TypeSize::Fixed(2);
case nxv2i1: return TypeSize::Scalable(2);
case i4:
case v4i1: return TypeSize::Fixed(4);
case nxv4i1: return TypeSize::Scalable(4);
case i8 :
case v1i8:
case v8i1: return TypeSize::Fixed(8);
case nxv1i8:
case nxv8i1: return TypeSize::Scalable(8);
case i16 :
case f16:
case bf16:
case v16i1:
case v2i8:
case v1i16:
case v1f16: return TypeSize::Fixed(16);
case nxv16i1:
case nxv2i8:
case nxv1i16:
case nxv1bf16:
case nxv1f16: return TypeSize::Scalable(16);
case f32 :
case i32 :
case v32i1:
case v4i8:
case v2i16:
case v2f16:
case v2bf16:
case v1f32:
case v1i32: return TypeSize::Fixed(32);
case nxv32i1:
case nxv4i8:
case nxv2i16:
case nxv1i32:
case nxv2f16:
case nxv2bf16:
case nxv1f32: return TypeSize::Scalable(32);
case v3i16:
case v3f16:
case v3bf16: return TypeSize::Fixed(48);
case x86mmx:
case f64 :
case i64 :
case v64i1:
case v8i8:
case v4i16:
case v2i32:
case v1i64:
case v4f16:
case v4bf16:
case v2f32:
case v1f64: return TypeSize::Fixed(64);
case nxv64i1:
case nxv8i8:
case nxv4i16:
case nxv2i32:
case nxv1i64:
case nxv4f16:
case nxv4bf16:
case nxv2f32:
case nxv1f64: return TypeSize::Scalable(64);
case f80 : return TypeSize::Fixed(80);
case v3i32:
case v3f32: return TypeSize::Fixed(96);
case f128:
case ppcf128:
case i128:
case v128i1:
case v16i8:
case v8i16:
case v4i32:
case v2i64:
case v1i128:
case v8f16:
case v8bf16:
case v4f32:
case v2f64: return TypeSize::Fixed(128);
case nxv16i8:
case nxv8i16:
case nxv4i32:
case nxv2i64:
case nxv8f16:
case nxv8bf16:
case nxv4f32:
case nxv2f64: return TypeSize::Scalable(128);
case v5i32:
case v5f32: return TypeSize::Fixed(160);
case v6i32:
case v3i64:
case v6f32:
case v3f64: return TypeSize::Fixed(192);
case v7i32:
case v7f32: return TypeSize::Fixed(224);
case v256i1: