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Intrinsics.td
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3063 lines (2689 loc) · 152 KB
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//===- Intrinsics.td - Defines all LLVM intrinsics ---------*- tablegen -*-===//
//
// 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 properties of all LLVM intrinsics.
//
//===----------------------------------------------------------------------===//
include "llvm/CodeGen/ValueTypes.td"
include "llvm/CodeGen/SDNodeProperties.td"
//===----------------------------------------------------------------------===//
// Properties we keep track of for intrinsics.
//===----------------------------------------------------------------------===//
class IntrinsicProperty<bit is_default = false> {
bit IsDefault = is_default;
}
// Intr*Mem - Memory properties. If no property is set, the worst case
// is assumed (it may read and write any memory it can get access to and it may
// have other side effects).
// IntrNoMem - The intrinsic does not access memory or have any other side
// effects. It may be CSE'd deleted if dead, etc.
def IntrNoMem : IntrinsicProperty;
// IntrReadMem - This intrinsic only reads from memory. It does not write to
// memory and has no other side effects. Therefore, it cannot be moved across
// potentially aliasing stores. However, it can be reordered otherwise and can
// be deleted if dead.
def IntrReadMem : IntrinsicProperty;
// IntrWriteMem - This intrinsic only writes to memory, but does not read from
// memory, and has no other side effects. This means dead stores before calls
// to this intrinsics may be removed.
def IntrWriteMem : IntrinsicProperty;
// IntrArgMemOnly - This intrinsic only accesses memory that its pointer-typed
// argument(s) points to, but may access an unspecified amount. Other than
// reads from and (possibly volatile) writes to memory, it has no side effects.
def IntrArgMemOnly : IntrinsicProperty;
// IntrInaccessibleMemOnly -- This intrinsic only accesses memory that is not
// accessible by the module being compiled. This is a weaker form of IntrNoMem.
def IntrInaccessibleMemOnly : IntrinsicProperty;
// IntrInaccessibleMemOrArgMemOnly -- This intrinsic only accesses memory that
// its pointer-typed arguments point to or memory that is not accessible
// by the module being compiled. This is a weaker form of IntrArgMemOnly.
def IntrInaccessibleMemOrArgMemOnly : IntrinsicProperty;
// Tablegen representation of IRMemLocation.
class IntrinsicMemoryLocation;
// TODO: Populate with all IRMemLocation enum values and update
// getValueAsIRMemLocation accordingly.
def InaccessibleMem : IntrinsicMemoryLocation;
def TargetMem0 : IntrinsicMemoryLocation;
def TargetMem1 : IntrinsicMemoryLocation;
// The list of IRMemoryLocations that are read from.
class IntrRead<list<IntrinsicMemoryLocation> idx> : IntrinsicProperty {
list<IntrinsicMemoryLocation> MemLoc=idx;
}
// The list of IRMemoryLocations that are write to.
class IntrWrite<list<IntrinsicMemoryLocation> idx> : IntrinsicProperty {
list<IntrinsicMemoryLocation> MemLoc=idx;
}
// Commutative - This intrinsic is commutative: X op Y == Y op X.
def Commutative : IntrinsicProperty;
// Throws - This intrinsic can throw.
def Throws : IntrinsicProperty;
// Attribute index needs to match `AttrIndex` defined `Attributes.h`.
class AttrIndex<int idx> {
int Value = idx;
}
def RetIndex : AttrIndex<0>;
class ArgIndex<int argNo> : AttrIndex<!add(argNo, 1)>;
// Note: Properties that are applicable either to arguments or return values
// use AttrIndex. Properties applicable only to arguments use ArgIndex. Please
// refer to Attributes.td.
// NoCapture - The specified argument pointer is not captured by the intrinsic.
class NoCapture<ArgIndex idx> : IntrinsicProperty {
int ArgNo = idx.Value;
}
// NoAlias - The return value or the specified argument pointer is not aliasing
// other "noalias" pointer arguments of the intrinsic wrt. the intrinsic scope.
class NoAlias<AttrIndex idx> : IntrinsicProperty {
int ArgNo = idx.Value;
}
// NoUndef - The return value or specified argument is neither undef nor poison.
class NoUndef<AttrIndex idx> : IntrinsicProperty {
int ArgNo = idx.Value;
}
// NonNull - The return value or specified argument is not null.
class NonNull<AttrIndex idx> : IntrinsicProperty {
int ArgNo = idx.Value;
}
// Align - Alignment for return value or the specified argument.
class Align<AttrIndex idx, int align> : IntrinsicProperty {
int ArgNo = idx.Value;
int Align = align;
}
// Dereferenceable -- Return value or the specified argument is dereferenceable
// upto `bytes` bytes in size.
class Dereferenceable<AttrIndex idx, int bytes> : IntrinsicProperty {
int ArgNo = idx.Value;
int Bytes = bytes;
}
// Returned - The specified argument is always the return value of the
// intrinsic.
class Returned<ArgIndex idx> : IntrinsicProperty {
int ArgNo = idx.Value;
}
// ImmArg - The specified argument must be an immediate.
class ImmArg<ArgIndex idx> : IntrinsicProperty {
int ArgNo = idx.Value;
}
// ReadOnly - The specified argument pointer is not written to through the
// pointer by the intrinsic.
class ReadOnly<ArgIndex idx> : IntrinsicProperty {
int ArgNo = idx.Value;
}
// WriteOnly - The intrinsic does not read memory through the specified
// argument pointer.
class WriteOnly<ArgIndex idx> : IntrinsicProperty {
int ArgNo = idx.Value;
}
// ReadNone - The specified argument pointer is not dereferenced by the
// intrinsic.
class ReadNone<ArgIndex idx> : IntrinsicProperty {
int ArgNo = idx.Value;
}
// The return value or argument is in the range [lower, upper),
// where lower and upper are interpreted as signed integers.
class Range<AttrIndex idx, int lower, int upper> : IntrinsicProperty {
int ArgNo = idx.Value;
int Lower = lower;
int Upper = upper;
}
// ArgProperty - Base class for argument properties that can be specified in ArgInfo.
class ArgProperty;
// ArgName - Specifies the name of an argument for pretty-printing.
class ArgName<string name> : ArgProperty {
string Name = name;
}
// ImmArgPrinter - Specifies a custom printer function for immediate arguments.
class ImmArgPrinter<string funcname> : ArgProperty {
string FuncName = funcname;
}
// ArgInfo - The specified argument has properties defined by a list of ArgProperty objects.
class ArgInfo<ArgIndex idx, list<ArgProperty> arg_properties> : IntrinsicProperty {
int ArgNo = idx.Value;
list<ArgProperty> Properties = arg_properties;
}
def IntrNoReturn : IntrinsicProperty;
// Applied by default.
def IntrNoCallback : IntrinsicProperty<1>;
// IntrNoSync - Threads executing the intrinsic will not synchronize using
// memory or other means. Applied by default.
def IntrNoSync : IntrinsicProperty<1>;
// Applied by default.
def IntrNoFree : IntrinsicProperty<1>;
// Applied by default.
def IntrWillReturn : IntrinsicProperty<1>;
// IntrCold - Calls to this intrinsic are cold.
// Parallels the cold attribute on LLVM IR functions.
def IntrCold : IntrinsicProperty;
// IntrNoDuplicate - Calls to this intrinsic cannot be duplicated.
// Parallels the noduplicate attribute on LLVM IR functions.
def IntrNoDuplicate : IntrinsicProperty;
// IntrNoMerge - Calls to this intrinsic cannot be merged
// Parallels the nomerge attribute on LLVM IR functions.
def IntrNoMerge : IntrinsicProperty;
// IntrConvergent - Calls to this intrinsic are convergent and may not be made
// control-dependent on any additional values.
// Parallels the convergent attribute on LLVM IR functions.
def IntrConvergent : IntrinsicProperty;
// This property indicates that the intrinsic is safe to speculate.
def IntrSpeculatable : IntrinsicProperty;
// This property can be used to override the 'has no other side effects'
// language of the IntrNoMem, IntrReadMem, IntrWriteMem, and IntrArgMemOnly
// intrinsic properties. By default, intrinsics are assumed to have side
// effects, so this property is only necessary if you have defined one of
// the memory properties listed above.
// For this property, 'side effects' has the same meaning as 'side effects'
// defined by the hasSideEffects property of the TableGen Instruction class.
def IntrHasSideEffects : IntrinsicProperty;
// Result will not be undef or poison if all arguments are not undef and not
// poison.
def IntrNoCreateUndefOrPoison : IntrinsicProperty;
// This property indicates that the intrinsic is trivially scalarizable.
def IntrTriviallyScalarizable : IntrinsicProperty;
//===----------------------------------------------------------------------===//
// IIT constants and utils
//===----------------------------------------------------------------------===//
// llvm::Intrinsic::IITDescriptor::AnyKind::AK_%
def AnyKind {
int Any = 0;
int AnyInteger = 1;
int AnyFloat = 2;
int AnyVector = 3;
int AnyPointer = 4;
int MatchType = 7;
}
// Placeholder to encode the overload index of the current type. We encode bit
// 8 = 1 to indicate that this entry needs to be patched up with the overload
// index (to prevent conflict with any valid not-to-be-patched IIT enccoding
// byte, whose value will be <= 255). The AnyKind itself is in the lower bits.
// Note that this is just a transient representation till its gets processed
// by `DoPatchOverloadIndex` below, so this is *not* the encoding of the
// final type signature.
class OverloadIndexPlaceholder <int AnyKindVal> {
int ID = 0x100;
int ret = !or(ID, AnyKindVal);
}
// This class defines how the overload index and the arg kind are actually
// packed into a single byte for the final IIT table encoding. Overload index is
// packed in low 5 bits, argument kind is packed in upper 3 bits. This enables
// us to use the same packing for llvm_any* types, which use a argument kind
// and for partially dependent types like `LLVMVectorOfAnyPointersToElt` which
// do not use the argument kind and expect the overload index in the lower bits.
class PackOverloadIndex<int OverloadIndex, int AnyKindVal> {
assert !lt(OverloadIndex, 32), "Cannot support more than 32 overload types";
assert !lt(AnyKindVal, 8), "Cannot support more than 8 argument kinds";
int ret = !or(!shl(AnyKindVal, 5), OverloadIndex);
}
// This class handles the actual patching of the overload index into a component
// value `Sig` in the type signature. If the value is > 255, it's a placeholder
// value generated by OverloadIndexPlaceholder and patching is needed, else the
// value is left unchanged.
class PatchOverloadIndex<int Sig, int OverloadIndex> {
int AnyKindVal = !and(Sig, 0x7);
int ret = !cond(
// If the value is > 255, it indicates that patching is needed.
!gt(Sig, 255) : PackOverloadIndex<OverloadIndex, AnyKindVal>.ret,
true: Sig);
}
//===----------------------------------------------------------------------===//
// IIT_Info
//===----------------------------------------------------------------------===//
class IIT_Base<int num> {
int Number = num;
list<ValueType> VTs = ?;
}
class IIT_VT<ValueType vt, int num> : IIT_Base<num> {
let VTs = [vt];
}
class IIT_Int<int size, int num> : IIT_Base<num> {
let VTs = !filter(vti, ValueTypes,
!and(vti.isInteger, !eq(vti.Size, size)));
}
class IIT_Vec<int nelem, int num> : IIT_Base<num> {
let VTs = !filter(vti, ValueTypes,
!and(vti.isVector, !eq(vti.nElem, nelem)));
}
defset list<IIT_Base> IIT_all = {
def IIT_Done : IIT_Base< 0>;
def IIT_I1 : IIT_Int<1, 1>;
def IIT_I8 : IIT_Int<8, 2>;
def IIT_I16 : IIT_Int<16, 3>;
def IIT_I32 : IIT_Int<32, 4>;
def IIT_I64 : IIT_Int<64, 5>;
def IIT_F16 : IIT_VT<f16, 6>;
def IIT_F32 : IIT_VT<f32, 7>;
def IIT_F64 : IIT_VT<f64, 8>;
def IIT_V2 : IIT_Vec<2, 9>;
def IIT_V4 : IIT_Vec<4, 10>;
def IIT_V8 : IIT_Vec<8, 11>;
def IIT_V16 : IIT_Vec<16, 12>;
def IIT_V32 : IIT_Vec<32, 13>;
def IIT_PTR : IIT_Base< 14>; // pointer with address space 0.
def IIT_ANY : IIT_Base< 15>;
def IIT_V64 : IIT_Vec<64, 16>;
def IIT_MMX : IIT_VT<x86mmx, 17>;
def IIT_TOKEN : IIT_VT<token, 18>;
def IIT_METADATA : IIT_VT<MetadataVT, 19>;
// Note: Unused IIT code 20.
def IIT_STRUCT : IIT_Base<21>;
def IIT_EXTEND_ARG : IIT_Base<22>;
def IIT_TRUNC_ARG : IIT_Base<23>;
def IIT_PTR_AS : IIT_Base<24>; // Pointer with address space.
def IIT_V1 : IIT_Vec<1, 25>;
def IIT_VARARG : IIT_VT<isVoid, 26>;
def IIT_ONE_NTH_ELTS_VEC_ARG : IIT_Base<27>;
def IIT_SAME_VEC_WIDTH_ARG : IIT_Base<28>;
def IIT_VEC_OF_ANYPTRS_TO_ELT : IIT_Base<29>;
def IIT_I128 : IIT_Int<128, 30>;
def IIT_V512 : IIT_Vec<512, 31>;
def IIT_V1024 : IIT_Vec<1024, 32>;
def IIT_F128 : IIT_VT<f128, 33>;
def IIT_VEC_ELEMENT : IIT_Base<34>;
def IIT_SCALABLE_VEC : IIT_Base<35>;
def IIT_SUBDIVIDE2_ARG : IIT_Base<36>;
def IIT_SUBDIVIDE4_ARG : IIT_Base<37>;
def IIT_VEC_OF_BITCASTS_TO_INT : IIT_Base<38>;
def IIT_V128 : IIT_Vec<128, 39>;
def IIT_BF16 : IIT_VT<bf16, 40>;
def IIT_V256 : IIT_Vec<256, 41>;
def IIT_AMX : IIT_VT<x86amx, 42>;
def IIT_PPCF128 : IIT_VT<ppcf128, 43>;
def IIT_V3 : IIT_Vec<3, 44>;
def IIT_EXTERNREF : IIT_VT<externref, 45>;
def IIT_FUNCREF : IIT_VT<funcref, 46>;
def IIT_I2 : IIT_Int<2, 47>;
def IIT_I4 : IIT_Int<4, 48>;
def IIT_AARCH64_SVCOUNT : IIT_VT<aarch64svcount, 49>;
def IIT_V6 : IIT_Vec<6, 50>;
def IIT_V10 : IIT_Vec<10, 51>;
def IIT_V2048 : IIT_Vec<2048, 52>;
def IIT_V4096 : IIT_Vec<4096, 53>;
}
defvar IIT_all_FixedTypes = !filter(iit, IIT_all,
!or(!isa<IIT_VT>(iit), !isa<IIT_Int>(iit)));
defvar IIT_all_VectorTypes = !filter(iit, IIT_all,
!isa<IIT_Vec>(iit));
//===----------------------------------------------------------------------===//
// Types used by intrinsics.
//===----------------------------------------------------------------------===//
class LLVMType<ValueType vt> {
ValueType VT = vt;
list<IIT_Base> IITs = !filter(iit, IIT_all_FixedTypes,
!not(!empty(!filter(iit_vt, iit.VTs,
!eq(iit_vt, !if(vt.isVector, vt.ElementType, vt))))));
assert !le(!size(IITs), 1), "Duplicate type";
list<IIT_Base> IIT_Vecs = !if(vt.isVector,
!filter(iit, IIT_all_VectorTypes,
!not(!empty(!filter(iit_vt, iit.VTs, !and(
!eq(iit_vt.ElementType, vt.ElementType),
!eq(iit_vt.nElem, vt.nElem)))))),
[]);
assert !le(!size(IIT_Vecs), 1), "Duplicate type";
// For vector types, assert that the IIT_Vecs list is not empty.
assert !or(!not(vt.isVector), !not(!empty(IIT_Vecs))),
"Invalid IIT encoding for vector type v" # vt.nElem # vt.ElementType;
list<int> Sig = !listconcat(
!foreach(iit, IIT_Vecs, iit.Number),
!if(vt.isScalable, [IIT_SCALABLE_VEC.Number], []),
!foreach(iit, IITs, iit.Number));
}
class LLVMAnyType<ValueType vt> : LLVMType<vt> {
int ArgCode = !cond(
!eq(vt, Any) : AnyKind.Any,
!eq(vt, iAny) : AnyKind.AnyInteger,
!eq(vt, fAny) : AnyKind.AnyFloat,
!eq(vt, vAny) : AnyKind.AnyVector,
!eq(vt, pAny) : AnyKind.AnyPointer,
);
let Sig = [
IIT_ANY.Number,
OverloadIndexPlaceholder <ArgCode>.ret,
];
assert VT.isOverloaded, "LLVMAnyType.VT should have isOverloaded";
}
class LLVMQualPointerType<int addrspace>
: LLVMType<iPTR> {
assert !and(!le(0, addrspace), !le(addrspace, 255)),
"Address space exceeds 255";
let Sig =
!if(addrspace, [
IIT_PTR_AS.Number,
addrspace,
], [
IIT_PTR.Number,
]);
}
// Note: CodeGenIntrinsics.cpp seems to check this class to check pointers.
class LLVMAnyPointerType : LLVMAnyType<pAny>;
// Dependent types: These are types that depend on another LLVMAnyType overload
// type. There are 2 subclasses of dependent types:
// 1. Fully dependent types: dependent type can be completely derived from
// another overload type.
// 2. Partially dependent types: dependent type is constrained by another
// overload type, but cannot be fully derived from it. Such types get
// assigned an overload index and are a part of the overloaded types for an
// intrinsics.
class LLVMDependentType<int oidx> : LLVMType<OtherVT> {
// Overload index of the overload type that this dependent type is dependent
// on.
int OverloadIndex = oidx;
}
class LLVMFullyDependentType<int oidx, IIT_Base IIT_Info>
: LLVMDependentType<oidx> {
// For fully dependent overload types, the type signature is just the IIT code
// followed by the overload index of the overload type it depends on.
let Sig = [
IIT_Info.Number,
PackOverloadIndex<OverloadIndex, AnyKind.MatchType>.ret
];
}
class LLVMPartiallyDependentType<int oidx, IIT_Base IIT_Info>
: LLVMDependentType<oidx> {
// For partially dependent type, the type signature is the IIT code, followed
// by this type's oveerload index, followed by the overload index of the
// overload type its depends on.
let Sig = [
IIT_Info.Number,
// This types overload index, arg kind ignored.
OverloadIndexPlaceholder <0>.ret,
// Overload index of the reference overload type, arg kind ignored.
PackOverloadIndex<OverloadIndex, 0>.ret,
];
}
// ----------------------------------------------------------------------------
// Various sub-classes of fully dependent types.
// Match the type of another intrinsic parameter. `oidx` is the overload index
// of the overloaded type that this type is dependent on. Overload types are
// either LLVMAnyType or LLVMPartiallyDependentType.
//
// Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_anyfloat_ty, LLVMMatchType<0>]>
//
// has one overloaded type, the 2nd argument. LLVMMatchType<0> refers to this
// first overloaded type, which is the 2nd argument. As another example,
//
// Intrinsic<[llvm_anyint_ty],
// [llvm_anyfloat_ty, LLVMMatchType<0>, llvm_anyfloat_ty, LLVMMatchType<2>]>
//
// has 3 overloaded types:
// overload index 0 = return type
// overload index 1 = first argument
// overload index 2 = third argument
//
// LLVMMatchType<0> therefore will match the return type, and
// LLVMMatchType<2> will match the 3rd argument.
class LLVMMatchType<int oidx> : LLVMFullyDependentType<oidx, IIT_ANY>;
// Match the type of another intrinsic parameter that is expected to be based on
// an integral type (i.e. either iN or <N x iM>), but change the scalar size to
// be twice as wide or half as wide as the other type. This is only useful when
// the intrinsic is overloaded, so the matched type should be declared as iAny.
class LLVMExtendedType<int oidx> : LLVMFullyDependentType<oidx, IIT_EXTEND_ARG>;
class LLVMTruncatedType<int oidx> : LLVMFullyDependentType<oidx, IIT_TRUNC_ARG>;
// Match the scalar/vector of another intrinsic parameter but with a different
// element type. Either both are scalars or both are vectors with the same
// number of elements.
class LLVMScalarOrSameVectorWidth<int oidx, LLVMType elty>
: LLVMFullyDependentType<oidx, IIT_SAME_VEC_WIDTH_ARG> {
let Sig = !listconcat([
IIT_SAME_VEC_WIDTH_ARG.Number,
// Overload index of the reference overload type, arg kind ignored.
PackOverloadIndex<OverloadIndex, 0>.ret,
], elty.Sig);
}
class LLVMVectorElementType<int oidx>
: LLVMFullyDependentType<oidx, IIT_VEC_ELEMENT>;
// Match the type of another intrinsic parameter that is expected to be a
// vector type, but change the element count to be 1/n of it.
class LLVMOneNthElementsVectorType<int oidx, int n>
: LLVMFullyDependentType<oidx, IIT_ONE_NTH_ELTS_VEC_ARG> {
let Sig = [
IIT_ONE_NTH_ELTS_VEC_ARG.Number,
PackOverloadIndex<OverloadIndex, 0>.ret,
n,
];
}
// Match the type of another intrinsic parameter that is expected to be a
// vector type (i.e. <N x iM>) but with each element subdivided to
// form a vector with more elements that are smaller than the original.
class LLVMSubdivide2VectorType<int oidx>
: LLVMFullyDependentType<oidx, IIT_SUBDIVIDE2_ARG>;
class LLVMSubdivide4VectorType<int oidx>
: LLVMFullyDependentType<oidx, IIT_SUBDIVIDE4_ARG>;
// Match the element count and bit width of another intrinsic parameter, but
// change the element type to an integer.
class LLVMVectorOfBitcastsToInt<int oidx>
: LLVMFullyDependentType<oidx, IIT_VEC_OF_BITCASTS_TO_INT>;
// ----------------------------------------------------------------------------
// Various sub-classes of partially dependent types.
class LLVMVectorOfAnyPointersToElt<int oidx>
: LLVMPartiallyDependentType<oidx, IIT_VEC_OF_ANYPTRS_TO_ELT>;
def llvm_void_ty : LLVMType<isVoid>;
def llvm_any_ty : LLVMAnyType<Any>;
def llvm_anyint_ty : LLVMAnyType<iAny>;
def llvm_anyfloat_ty : LLVMAnyType<fAny>;
def llvm_anyvector_ty : LLVMAnyType<vAny>;
def llvm_anyptr_ty : LLVMAnyPointerType; // ptr addrspace(N)
def llvm_i1_ty : LLVMType<i1>;
def llvm_i8_ty : LLVMType<i8>;
def llvm_i16_ty : LLVMType<i16>;
def llvm_i32_ty : LLVMType<i32>;
def llvm_i64_ty : LLVMType<i64>;
def llvm_i128_ty : LLVMType<i128>;
def llvm_half_ty : LLVMType<f16>;
def llvm_bfloat_ty : LLVMType<bf16>;
def llvm_float_ty : LLVMType<f32>;
def llvm_double_ty : LLVMType<f64>;
def llvm_f80_ty : LLVMType<f80>;
def llvm_f128_ty : LLVMType<f128>;
def llvm_ppcf128_ty : LLVMType<ppcf128>;
def llvm_ptr_ty : LLVMQualPointerType<0>; // ptr
def llvm_empty_ty : LLVMType<OtherVT>; // { }
def llvm_metadata_ty : LLVMType<MetadataVT>; // !{...}
def llvm_token_ty : LLVMType<token>; // token
def llvm_x86mmx_ty : LLVMType<x86mmx>;
def llvm_aarch64_svcount_ty : LLVMType<aarch64svcount>;
def llvm_x86amx_ty : LLVMType<x86amx>;
def llvm_v2i1_ty : LLVMType<v2i1>; // 2 x i1
def llvm_v4i1_ty : LLVMType<v4i1>; // 4 x i1
def llvm_v8i1_ty : LLVMType<v8i1>; // 8 x i1
def llvm_v16i1_ty : LLVMType<v16i1>; // 16 x i1
def llvm_v32i1_ty : LLVMType<v32i1>; // 32 x i1
def llvm_v64i1_ty : LLVMType<v64i1>; // 64 x i1
def llvm_v128i1_ty : LLVMType<v128i1>; // 128 x i1
def llvm_v256i1_ty : LLVMType<v256i1>; // 256 x i1
def llvm_v512i1_ty : LLVMType<v512i1>; // 512 x i1
def llvm_v1024i1_ty : LLVMType<v1024i1>; //1024 x i1
def llvm_v2048i1_ty : LLVMType<v2048i1>; //2048 x i1
def llvm_v4096i1_ty : LLVMType<v4096i1>; //4096 x i1
def llvm_v1i8_ty : LLVMType<v1i8>; // 1 x i8
def llvm_v2i8_ty : LLVMType<v2i8>; // 2 x i8
def llvm_v3i8_ty : LLVMType<v3i8>; // 3 x i8
def llvm_v4i8_ty : LLVMType<v4i8>; // 4 x i8
def llvm_v8i8_ty : LLVMType<v8i8>; // 8 x i8
def llvm_v16i8_ty : LLVMType<v16i8>; // 16 x i8
def llvm_v32i8_ty : LLVMType<v32i8>; // 32 x i8
def llvm_v64i8_ty : LLVMType<v64i8>; // 64 x i8
def llvm_v128i8_ty : LLVMType<v128i8>; //128 x i8
def llvm_v256i8_ty : LLVMType<v256i8>; //256 x i8
def llvm_v1i16_ty : LLVMType<v1i16>; // 1 x i16
def llvm_v2i16_ty : LLVMType<v2i16>; // 2 x i16
def llvm_v4i16_ty : LLVMType<v4i16>; // 4 x i16
def llvm_v8i16_ty : LLVMType<v8i16>; // 8 x i16
def llvm_v16i16_ty : LLVMType<v16i16>; // 16 x i16
def llvm_v32i16_ty : LLVMType<v32i16>; // 32 x i16
def llvm_v64i16_ty : LLVMType<v64i16>; // 64 x i16
def llvm_v128i16_ty : LLVMType<v128i16>; // 128 x i16
def llvm_v4096i16_ty : LLVMType<v4096i16>; // 4096 x i16
def llvm_v1i32_ty : LLVMType<v1i32>; // 1 x i32
def llvm_v2i32_ty : LLVMType<v2i32>; // 2 x i32
def llvm_v3i32_ty : LLVMType<v3i32>; // 3 x i32
def llvm_v4i32_ty : LLVMType<v4i32>; // 4 x i32
def llvm_v6i32_ty : LLVMType<v6i32>; // 6 x i32
def llvm_v8i32_ty : LLVMType<v8i32>; // 8 x i32
def llvm_v10i32_ty : LLVMType<v10i32>; // 10 x i32
def llvm_v16i32_ty : LLVMType<v16i32>; // 16 x i32
def llvm_v32i32_ty : LLVMType<v32i32>; // 32 x i32
def llvm_v64i32_ty : LLVMType<v64i32>; // 64 x i32
def llvm_v128i32_ty : LLVMType<v128i32>; // 128 x i32
def llvm_v256i32_ty : LLVMType<v256i32>; // 256 x i32
def llvm_v2048i32_ty : LLVMType<v2048i32>; // 2048 x i32
def llvm_v4096i32_ty : LLVMType<v4096i32>; // 4096 x i32
def llvm_v1i64_ty : LLVMType<v1i64>; // 1 x i64
def llvm_v2i64_ty : LLVMType<v2i64>; // 2 x i64
def llvm_v4i64_ty : LLVMType<v4i64>; // 4 x i64
def llvm_v8i64_ty : LLVMType<v8i64>; // 8 x i64
def llvm_v16i64_ty : LLVMType<v16i64>; // 16 x i64
def llvm_v32i64_ty : LLVMType<v32i64>; // 32 x i64
def llvm_v1i128_ty : LLVMType<v1i128>; // 1 x i128
def llvm_v2f16_ty : LLVMType<v2f16>; // 2 x half (__fp16)
def llvm_v4f16_ty : LLVMType<v4f16>; // 4 x half (__fp16)
def llvm_v8f16_ty : LLVMType<v8f16>; // 8 x half (__fp16)
def llvm_v16f16_ty : LLVMType<v16f16>; // 16 x half (__fp16)
def llvm_v32f16_ty : LLVMType<v32f16>; // 32 x half (__fp16)
def llvm_v4096f16_ty : LLVMType<v4096f16>; // 4096 x half (__fp16)
def llvm_v2bf16_ty : LLVMType<v2bf16>; // 2 x bfloat (__bf16)
def llvm_v4bf16_ty : LLVMType<v4bf16>; // 4 x bfloat (__bf16)
def llvm_v8bf16_ty : LLVMType<v8bf16>; // 8 x bfloat (__bf16)
def llvm_v16bf16_ty : LLVMType<v16bf16>; // 16 x bfloat (__bf16)
def llvm_v32bf16_ty : LLVMType<v32bf16>; // 32 x bfloat (__bf16)
def llvm_v4096bf16_ty : LLVMType<v4096bf16>; // 4096 x bfloat (__bf16)
def llvm_v1f32_ty : LLVMType<v1f32>; // 1 x float
def llvm_v2f32_ty : LLVMType<v2f32>; // 2 x float
def llvm_v3f32_ty : LLVMType<v3f32>; // 3 x float
def llvm_v4f32_ty : LLVMType<v4f32>; // 4 x float
def llvm_v8f32_ty : LLVMType<v8f32>; // 8 x float
def llvm_v10f32_ty : LLVMType<v10f32>; // 10 x float
def llvm_v16f32_ty : LLVMType<v16f32>; // 16 x float
def llvm_v32f32_ty : LLVMType<v32f32>; // 32 x float
def llvm_v2048f32_ty : LLVMType<v2048f32>; // 2048 x float
def llvm_v1f64_ty : LLVMType<v1f64>; // 1 x double
def llvm_v2f64_ty : LLVMType<v2f64>; // 2 x double
def llvm_v4f64_ty : LLVMType<v4f64>; // 4 x double
def llvm_v8f64_ty : LLVMType<v8f64>; // 8 x double
def llvm_v16f64_ty : LLVMType<v16f64>; // 16 x double
def llvm_vararg_ty : LLVMType<isVoid>; // this means vararg here
def llvm_externref_ty : LLVMType<externref>;
def llvm_funcref_ty : LLVMType<funcref>;
def llvm_exnref_ty : LLVMType<exnref>;
//===----------------------------------------------------------------------===//
// Computes the overload index for overloaded types used by an intrinsic.
// Input `IsOverloadedType` is a list of booleans, one for each type in the
// intrinsic's type signature. A 0 value indicate that that type is not an
// overloaded type, and 1 indicates that its an overloaded type.
//
// Assigns overload index by essentially computing a prefix sum on this list.
// The output list `ret` has value ? for non-overload types and the overload
// index for overloaded types.
class AssignOverloadIndex<list<bit> IsOverloadedType> {
list<int> PrefixSum = !foreach(i, !range(IsOverloadedType),
!if(IsOverloadedType[i],
!foldl(0, !range(0, i), m, j, !add(m, IsOverloadedType[j])),
-1));
// Assign ? if the entry was -1, else its the expected prefix sum.
list<int> ret = !foreach(a, PrefixSum, !if(!ge(a, 0), a, ?));
}
class TypeInfoGen<list<LLVMType> RetTypes, list<LLVMType> ParamTypes> {
list<LLVMType> AllTypes = !listconcat(RetTypes, ParamTypes);
// Assign overload index for all overloaded types
// (LLVMAnyType or LLVMPartiallyDependentType).
list<int> OverloadIdxs = AssignOverloadIndex<
!foreach(ty, AllTypes,
!or(!isa<LLVMAnyType>(ty), !isa<LLVMPartiallyDependentType>(ty)))>.ret;
// List of all overloaded types, in their overload-index order.
list<LLVMType> OverloadTypes = !filter(ty, AllTypes,
!or(!isa<LLVMAnyType>(ty), !isa<LLVMPartiallyDependentType>(ty)));
bit isOverloaded = !not(!empty(OverloadTypes));
list<int> TypeSig = !listflatten(!listconcat(
[!cond(
!eq(!size(RetTypes), 0): [IIT_Done.Number],
!eq(!size(RetTypes), 1): []<int>,
true: [IIT_STRUCT.Number, !sub(!size(RetTypes), 2)])],
!foreach(i, !range(AllTypes),
!foreach(a, AllTypes[i].Sig,
PatchOverloadIndex<a, OverloadIdxs[i]>.ret))));
}
//===----------------------------------------------------------------------===//
// Intrinsic Definitions.
//===----------------------------------------------------------------------===//
// Intrinsic class - This is used to define one LLVM intrinsic. The name of the
// intrinsic definition should start with "int_", then match the LLVM intrinsic
// name with the "llvm." prefix removed, and all "."s turned into "_"s. For
// example, llvm.bswap.i16 -> int_bswap_i16.
//
// * RetTypes is a list containing the return types expected for the
// intrinsic.
// * ParamTypes is a list containing the parameter types expected for the
// intrinsic.
// * Properties can be set to describe the behavior of the intrinsic.
//
class Intrinsic<list<LLVMType> ret_types,
list<LLVMType> param_types = [],
list<IntrinsicProperty> intr_properties = [],
string name = "",
list<SDNodeProperty> sd_properties = [],
bit disable_default_attributes = true> : SDPatternOperator {
string LLVMName = name;
string TargetPrefix = ""; // Set to a prefix for target-specific intrinsics.
list<LLVMType> RetTypes = ret_types;
list<LLVMType> ParamTypes = param_types;
list<IntrinsicProperty> IntrProperties = intr_properties;
let Properties = sd_properties;
// Disable applying IntrinsicProperties that are marked default with
// IntrinsicProperty<1>
bit DisableDefaultAttributes = disable_default_attributes;
TypeInfoGen TypeInfo = TypeInfoGen<RetTypes, ParamTypes>;
}
// Intrinsic with default attributes (disable_default_attributes = false).
class DefaultAttrsIntrinsic<list<LLVMType> ret_types,
list<LLVMType> param_types = [],
list<IntrinsicProperty> intr_properties = [],
string name = "",
list<SDNodeProperty> sd_properties = []>
: Intrinsic<ret_types, param_types,
intr_properties, name,
sd_properties, /*disable_default_attributes*/ 0> {}
/// ClangBuiltin - If this intrinsic exactly corresponds to a Clang builtin, this
/// specifies the name of the builtin. This provides automatic CBE and CFE
/// support.
class ClangBuiltin<string name> {
string ClangBuiltinName = name;
}
class MSBuiltin<string name> {
string MSBuiltinName = name;
}
/// Utility class for intrinsics that
/// 1. Don't touch memory or any hidden state
/// 2. Can be freely speculated, and
/// 3. Will not create undef or poison on defined inputs.
class PureIntrinsic<list<LLVMType> ret_types,
list<LLVMType> param_types = [],
list<IntrinsicProperty> intr_properties = [],
string name = "",
list<SDNodeProperty> sd_properties = []>
: DefaultAttrsIntrinsic<ret_types, param_types,
intr_properties # [IntrNoMem, IntrSpeculatable, IntrNoCreateUndefOrPoison],
name, sd_properties>;
#ifndef TEST_INTRINSICS_SUPPRESS_DEFS
//===--------------- Variable Argument Handling Intrinsics ----------------===//
//
def int_vastart : DefaultAttrsIntrinsic<[],
[llvm_anyptr_ty], [], "llvm.va_start">;
def int_vacopy : DefaultAttrsIntrinsic<[],
[llvm_anyptr_ty, LLVMMatchType<0>], [],
"llvm.va_copy">;
def int_vaend : DefaultAttrsIntrinsic<[],
[llvm_anyptr_ty], [], "llvm.va_end">;
//===------------------- Garbage Collection Intrinsics --------------------===//
//
def int_gcroot : Intrinsic<[],
[llvm_ptr_ty, llvm_ptr_ty]>;
def int_gcread : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty, llvm_ptr_ty],
[IntrReadMem, IntrArgMemOnly]>;
def int_gcwrite : Intrinsic<[],
[llvm_ptr_ty, llvm_ptr_ty, llvm_ptr_ty],
[IntrArgMemOnly, NoCapture<ArgIndex<1>>,
NoCapture<ArgIndex<2>>]>;
//===------------------- ObjC ARC runtime Intrinsics --------------------===//
//
// Note these are to support the Objective-C ARC optimizer which wants to
// eliminate retain and releases where possible.
def int_objc_autorelease : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty],
[Returned<ArgIndex<0>>]>;
def int_objc_autoreleasePoolPop : Intrinsic<[], [llvm_ptr_ty]>;
def int_objc_autoreleasePoolPush : Intrinsic<[llvm_ptr_ty], []>;
def int_objc_autoreleaseReturnValue : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty],
[Returned<ArgIndex<0>>]>;
def int_objc_copyWeak : Intrinsic<[],
[llvm_ptr_ty,
llvm_ptr_ty]>;
def int_objc_destroyWeak : Intrinsic<[], [llvm_ptr_ty]>;
def int_objc_initWeak : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty,
llvm_ptr_ty]>;
def int_objc_loadWeak : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty]>;
def int_objc_loadWeakRetained : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty]>;
def int_objc_moveWeak : Intrinsic<[],
[llvm_ptr_ty,
llvm_ptr_ty]>;
def int_objc_release : Intrinsic<[], [llvm_ptr_ty]>;
def int_objc_retain : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty],
[Returned<ArgIndex<0>>]>;
def int_objc_retainAutorelease : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty],
[Returned<ArgIndex<0>>]>;
def int_objc_retainAutoreleaseReturnValue : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty],
[Returned<ArgIndex<0>>]>;
def int_objc_retainAutoreleasedReturnValue : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty]>;
def int_objc_unsafeClaimAutoreleasedReturnValue : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty]>;
def int_objc_claimAutoreleasedReturnValue : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty]>;
def int_objc_retainBlock : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty]>;
def int_objc_storeStrong : Intrinsic<[],
[llvm_ptr_ty,
llvm_ptr_ty]>;
def int_objc_storeWeak : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty,
llvm_ptr_ty]>;
def int_objc_clang_arc_use : Intrinsic<[],
[llvm_vararg_ty]>;
def int_objc_clang_arc_noop_use : DefaultAttrsIntrinsic<[],
[llvm_vararg_ty],
[IntrInaccessibleMemOnly]>;
def int_objc_retainedObject : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty]>;
def int_objc_unretainedObject : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty]>;
def int_objc_unretainedPointer : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty]>;
def int_objc_retain_autorelease : Intrinsic<[llvm_ptr_ty],
[llvm_ptr_ty],
[Returned<ArgIndex<0>>]>;
def int_objc_sync_enter : Intrinsic<[llvm_i32_ty],
[llvm_ptr_ty]>;
def int_objc_sync_exit : Intrinsic<[llvm_i32_ty],
[llvm_ptr_ty]>;
def int_objc_arc_annotation_topdown_bbstart : Intrinsic<[],
[llvm_ptr_ty,
llvm_ptr_ty]>;
def int_objc_arc_annotation_topdown_bbend : Intrinsic<[],
[llvm_ptr_ty,
llvm_ptr_ty]>;
def int_objc_arc_annotation_bottomup_bbstart : Intrinsic<[],
[llvm_ptr_ty,
llvm_ptr_ty]>;
def int_objc_arc_annotation_bottomup_bbend : Intrinsic<[],
[llvm_ptr_ty,
llvm_ptr_ty]>;
//===--------------- Swift asynchronous context intrinsics ----------------===//
// Returns the location of the Swift asynchronous context (usually stored just
// before the frame pointer), and triggers the creation of a null context if it
// would otherwise be unneeded.
def int_swift_async_context_addr : Intrinsic<[llvm_ptr_ty], [], []>;
//===--------------------- Code Generator Intrinsics ----------------------===//
//
def int_returnaddress : DefaultAttrsIntrinsic<[llvm_anyptr_ty], [llvm_i32_ty],
[IntrNoMem, ImmArg<ArgIndex<0>>]>;
def int_addressofreturnaddress : DefaultAttrsIntrinsic<[llvm_anyptr_ty], [], [IntrNoMem]>;
def int_frameaddress : DefaultAttrsIntrinsic<[llvm_anyptr_ty], [llvm_i32_ty],
[IntrNoMem, ImmArg<ArgIndex<0>>]>;
def int_sponentry : DefaultAttrsIntrinsic<[llvm_anyptr_ty], [], [IntrNoMem]>;
def int_stackaddress : DefaultAttrsIntrinsic<[llvm_anyptr_ty], [], []>;
def int_read_register : DefaultAttrsIntrinsic<[llvm_anyint_ty], [llvm_metadata_ty],
[IntrReadMem], "llvm.read_register">;
def int_write_register : Intrinsic<[], [llvm_metadata_ty, llvm_anyint_ty],
[IntrNoCallback], "llvm.write_register">;
def int_read_volatile_register : Intrinsic<[llvm_anyint_ty], [llvm_metadata_ty],
[IntrHasSideEffects],
"llvm.read_volatile_register">;
// Gets the address of the local variable area. This is typically a copy of the
// stack, frame, or base pointer depending on the type of prologue.
def int_localaddress : DefaultAttrsIntrinsic<[llvm_ptr_ty], [], [IntrNoMem]>;
// Escapes local variables to allow access from other functions.
def int_localescape : DefaultAttrsIntrinsic<[], [llvm_vararg_ty]>;
// Given a function and the localaddress of a parent frame, returns a pointer
// to an escaped allocation indicated by the index.
def int_localrecover : DefaultAttrsIntrinsic<[llvm_ptr_ty],
[llvm_ptr_ty, llvm_ptr_ty, llvm_i32_ty],
[IntrNoMem, ImmArg<ArgIndex<2>>]>;
// Given the frame pointer passed into an SEH filter function, returns a
// pointer to the local variable area suitable for use with llvm.localrecover.
def int_eh_recoverfp : DefaultAttrsIntrinsic<[llvm_ptr_ty],
[llvm_ptr_ty, llvm_ptr_ty],
[IntrNoMem]>;
// To mark the beginning/end of a try-scope for Windows SEH -EHa
// calls/invokes to these intrinsics are placed to model control flows
// caused by HW exceptions under option -EHa.
// calls/invokes to these intrinsics will be discarded during a codegen pass
// after EH tables are generated
def int_seh_try_begin : Intrinsic<[], [], [IntrWriteMem, IntrWillReturn]>;
def int_seh_try_end : Intrinsic<[], [], [IntrWriteMem, IntrWillReturn]>;
def int_seh_scope_begin : Intrinsic<[], [], [IntrNoMem]>;
def int_seh_scope_end : Intrinsic<[], [], [IntrNoMem]>;
// Note: we treat stacksave/stackrestore as writemem because we don't otherwise
// model their dependencies on allocas.
def int_stacksave : DefaultAttrsIntrinsic<[llvm_anyptr_ty]>,
ClangBuiltin<"__builtin_stack_save">;
def int_stackrestore : DefaultAttrsIntrinsic<[], [llvm_anyptr_ty]>,
ClangBuiltin<"__builtin_stack_restore">;
def int_get_dynamic_area_offset : DefaultAttrsIntrinsic<[llvm_anyint_ty]>;
def int_thread_pointer : DefaultAttrsIntrinsic<[llvm_anyptr_ty], [], [IntrNoMem]>,
ClangBuiltin<"__builtin_thread_pointer">;
// IntrInaccessibleMemOrArgMemOnly is a little more pessimistic than strictly
// necessary for prefetch, however it does conveniently prevent the prefetch
// from being reordered overly much with respect to nearby access to the same
// memory while not impeding optimization.
def int_prefetch
: DefaultAttrsIntrinsic<[], [ llvm_anyptr_ty, llvm_i32_ty, llvm_i32_ty, llvm_i32_ty ],
[IntrInaccessibleMemOrArgMemOnly,
ReadOnly<ArgIndex<0>>, NoCapture<ArgIndex<0>>,
ImmArg<ArgIndex<1>>, ImmArg<ArgIndex<2>>, ImmArg<ArgIndex<3>>]>;
def int_pcmarker : DefaultAttrsIntrinsic<[], [llvm_i32_ty]>;
def int_readcyclecounter : DefaultAttrsIntrinsic<[llvm_i64_ty]>;
def int_readsteadycounter : DefaultAttrsIntrinsic<[llvm_i64_ty]>;
// The assume intrinsic is marked InaccessibleMemOnly so that proper control
// dependencies will be maintained.
def int_assume : DefaultAttrsIntrinsic<
[], [llvm_i1_ty], [IntrWriteMem, IntrInaccessibleMemOnly, NoUndef<ArgIndex<0>>]>;
// 'llvm.experimental.noalias.scope.decl' intrinsic: Inserted at the location of
// noalias scope declaration. Makes it possible to identify that a noalias scope
// is only valid inside the body of a loop.
//
// Purpose of the different arguments:
// - arg0: id.scope: metadata representing the scope declaration.
def int_experimental_noalias_scope_decl
: DefaultAttrsIntrinsic<[], [llvm_metadata_ty],
[IntrInaccessibleMemOnly]>; // blocks LICM and some more
// Stack Protector Intrinsic - The stackprotector intrinsic writes the stack
// guard to the correct place on the stack frame.
def int_stackprotector : DefaultAttrsIntrinsic<[], [llvm_ptr_ty, llvm_ptr_ty], []>;
def int_stackguard : DefaultAttrsIntrinsic<[llvm_ptr_ty], [], []>;
// A cover for instrumentation based profiling.
def int_instrprof_cover : Intrinsic<[], [llvm_ptr_ty, llvm_i64_ty,
llvm_i32_ty, llvm_i32_ty]>;
// A counter increment for instrumentation based profiling.