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466 lines
21 KiB
TableGen
466 lines
21 KiB
TableGen
//===- Intrinsics.td - Defines all LLVM intrinsics ---------*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines properties of all LLVM intrinsics.
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//
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//===----------------------------------------------------------------------===//
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include "llvm/CodeGen/ValueTypes.td"
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//===----------------------------------------------------------------------===//
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// Properties we keep track of for intrinsics.
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//===----------------------------------------------------------------------===//
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class IntrinsicProperty;
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// Intr*Mem - Memory properties. An intrinsic is allowed to have at most one of
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// these properties set. They are listed from the most aggressive (best to use
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// if correct) to the least aggressive. If no property is set, the worst case
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// is assumed (it may read and write any memory it can get access to and it may
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// have other side effects).
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// IntrNoMem - The intrinsic does not access memory or have any other side
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// effects. It may be CSE'd deleted if dead, etc.
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def IntrNoMem : IntrinsicProperty;
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// IntrReadArgMem - This intrinsic reads only from memory that one of its
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// pointer-typed arguments points to, but may read an unspecified amount.
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def IntrReadArgMem : IntrinsicProperty;
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// IntrReadMem - This intrinsic reads from unspecified memory, so it cannot be
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// moved across stores. However, it can be reordered otherwise and can be
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// deleted if dead.
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def IntrReadMem : IntrinsicProperty;
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// IntrReadWriteArgMem - This intrinsic reads and writes only from memory that
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// one of its arguments points to, but may access an unspecified amount. The
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// reads and writes may be volatile, but except for this it has no other side
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// effects.
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def IntrReadWriteArgMem : IntrinsicProperty;
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// Commutative - This intrinsic is commutative: X op Y == Y op X.
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def Commutative : IntrinsicProperty;
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// Throws - This intrinsic can throw.
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def Throws : IntrinsicProperty;
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// NoCapture - The specified argument pointer is not captured by the intrinsic.
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class NoCapture<int argNo> : IntrinsicProperty {
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int ArgNo = argNo;
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}
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def IntrNoReturn : IntrinsicProperty;
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//===----------------------------------------------------------------------===//
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// Types used by intrinsics.
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//===----------------------------------------------------------------------===//
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class LLVMType<ValueType vt> {
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ValueType VT = vt;
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}
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class LLVMQualPointerType<LLVMType elty, int addrspace>
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: LLVMType<iPTR>{
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LLVMType ElTy = elty;
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int AddrSpace = addrspace;
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}
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class LLVMPointerType<LLVMType elty>
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: LLVMQualPointerType<elty, 0>;
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class LLVMAnyPointerType<LLVMType elty>
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: LLVMType<iPTRAny>{
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LLVMType ElTy = elty;
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}
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// Match the type of another intrinsic parameter. Number is an index into the
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// list of overloaded types for the intrinsic, excluding all the fixed types.
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// The Number value must refer to a previously listed type. For example:
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// Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_anyfloat_ty, LLVMMatchType<0>]>
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// has two overloaded types, the 2nd and 3rd arguments. LLVMMatchType<0>
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// refers to the first overloaded type, which is the 2nd argument.
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class LLVMMatchType<int num>
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: LLVMType<OtherVT>{
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int Number = num;
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}
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// Match the type of another intrinsic parameter that is expected to be
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// an integral vector type, but change the element size to be twice as wide
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// or half as wide as the other type. This is only useful when the intrinsic
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// is overloaded, so the matched type should be declared as iAny.
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class LLVMExtendedElementVectorType<int num> : LLVMMatchType<num>;
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class LLVMTruncatedElementVectorType<int num> : LLVMMatchType<num>;
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def llvm_void_ty : LLVMType<isVoid>;
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def llvm_anyint_ty : LLVMType<iAny>;
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def llvm_anyfloat_ty : LLVMType<fAny>;
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def llvm_anyvector_ty : LLVMType<vAny>;
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def llvm_i1_ty : LLVMType<i1>;
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def llvm_i8_ty : LLVMType<i8>;
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def llvm_i16_ty : LLVMType<i16>;
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def llvm_i32_ty : LLVMType<i32>;
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def llvm_i64_ty : LLVMType<i64>;
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def llvm_float_ty : LLVMType<f32>;
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def llvm_double_ty : LLVMType<f64>;
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def llvm_f80_ty : LLVMType<f80>;
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def llvm_f128_ty : LLVMType<f128>;
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def llvm_ppcf128_ty : LLVMType<ppcf128>;
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def llvm_ptr_ty : LLVMPointerType<llvm_i8_ty>; // i8*
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def llvm_ptrptr_ty : LLVMPointerType<llvm_ptr_ty>; // i8**
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def llvm_anyptr_ty : LLVMAnyPointerType<llvm_i8_ty>; // (space)i8*
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def llvm_empty_ty : LLVMType<OtherVT>; // { }
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def llvm_descriptor_ty : LLVMPointerType<llvm_empty_ty>; // { }*
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def llvm_metadata_ty : LLVMType<MetadataVT>; // !{...}
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def llvm_x86mmx_ty : LLVMType<x86mmx>;
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def llvm_ptrx86mmx_ty : LLVMPointerType<llvm_x86mmx_ty>; // <1 x i64>*
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def llvm_v2i8_ty : LLVMType<v2i8>; // 2 x i8
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def llvm_v4i8_ty : LLVMType<v4i8>; // 4 x i8
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def llvm_v8i8_ty : LLVMType<v8i8>; // 8 x i8
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def llvm_v16i8_ty : LLVMType<v16i8>; // 16 x i8
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def llvm_v32i8_ty : LLVMType<v32i8>; // 32 x i8
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def llvm_v2i16_ty : LLVMType<v2i16>; // 2 x i16
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def llvm_v4i16_ty : LLVMType<v4i16>; // 4 x i16
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def llvm_v8i16_ty : LLVMType<v8i16>; // 8 x i16
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def llvm_v16i16_ty : LLVMType<v16i16>; // 16 x i16
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def llvm_v2i32_ty : LLVMType<v2i32>; // 2 x i32
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def llvm_v4i32_ty : LLVMType<v4i32>; // 4 x i32
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def llvm_v8i32_ty : LLVMType<v8i32>; // 8 x i32
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def llvm_v16i32_ty : LLVMType<v16i32>; // 16 x i32
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def llvm_v1i64_ty : LLVMType<v1i64>; // 1 x i64
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def llvm_v2i64_ty : LLVMType<v2i64>; // 2 x i64
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def llvm_v4i64_ty : LLVMType<v4i64>; // 4 x i64
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def llvm_v8i64_ty : LLVMType<v8i64>; // 8 x i64
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def llvm_v16i64_ty : LLVMType<v16i64>; // 16 x i64
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def llvm_v2f32_ty : LLVMType<v2f32>; // 2 x float
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def llvm_v4f32_ty : LLVMType<v4f32>; // 4 x float
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def llvm_v8f32_ty : LLVMType<v8f32>; // 8 x float
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def llvm_v2f64_ty : LLVMType<v2f64>; // 2 x double
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def llvm_v4f64_ty : LLVMType<v4f64>; // 4 x double
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def llvm_vararg_ty : LLVMType<isVoid>; // this means vararg here
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//===----------------------------------------------------------------------===//
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// Intrinsic Definitions.
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//===----------------------------------------------------------------------===//
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// Intrinsic class - This is used to define one LLVM intrinsic. The name of the
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// intrinsic definition should start with "int_", then match the LLVM intrinsic
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// name with the "llvm." prefix removed, and all "."s turned into "_"s. For
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// example, llvm.bswap.i16 -> int_bswap_i16.
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//
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// * RetTypes is a list containing the return types expected for the
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// intrinsic.
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// * ParamTypes is a list containing the parameter types expected for the
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// intrinsic.
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// * Properties can be set to describe the behavior of the intrinsic.
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//
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class SDPatternOperator;
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class Intrinsic<list<LLVMType> ret_types,
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list<LLVMType> param_types = [],
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list<IntrinsicProperty> properties = [],
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string name = ""> : SDPatternOperator {
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string LLVMName = name;
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string TargetPrefix = ""; // Set to a prefix for target-specific intrinsics.
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list<LLVMType> RetTypes = ret_types;
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list<LLVMType> ParamTypes = param_types;
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list<IntrinsicProperty> Properties = properties;
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bit isTarget = 0;
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}
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/// GCCBuiltin - If this intrinsic exactly corresponds to a GCC builtin, this
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/// specifies the name of the builtin. This provides automatic CBE and CFE
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/// support.
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class GCCBuiltin<string name> {
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string GCCBuiltinName = name;
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}
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//===--------------- Variable Argument Handling Intrinsics ----------------===//
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//
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def int_vastart : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_start">;
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def int_vacopy : Intrinsic<[], [llvm_ptr_ty, llvm_ptr_ty], [],
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"llvm.va_copy">;
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def int_vaend : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_end">;
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//===------------------- Garbage Collection Intrinsics --------------------===//
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//
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def int_gcroot : Intrinsic<[],
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[llvm_ptrptr_ty, llvm_ptr_ty]>;
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def int_gcread : Intrinsic<[llvm_ptr_ty],
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[llvm_ptr_ty, llvm_ptrptr_ty],
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[IntrReadArgMem]>;
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def int_gcwrite : Intrinsic<[],
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[llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty],
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[IntrReadWriteArgMem, NoCapture<1>, NoCapture<2>]>;
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//===--------------------- Code Generator Intrinsics ----------------------===//
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//
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def int_returnaddress : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>;
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def int_frameaddress : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>;
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// Note: we treat stacksave/stackrestore as writemem because we don't otherwise
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// model their dependencies on allocas.
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def int_stacksave : Intrinsic<[llvm_ptr_ty]>,
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GCCBuiltin<"__builtin_stack_save">;
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def int_stackrestore : Intrinsic<[], [llvm_ptr_ty]>,
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GCCBuiltin<"__builtin_stack_restore">;
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// IntrReadWriteArgMem is more pessimistic than strictly necessary for prefetch,
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// however it does conveniently prevent the prefetch from being reordered
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// with respect to nearby accesses to the same memory.
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def int_prefetch : Intrinsic<[],
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[llvm_ptr_ty, llvm_i32_ty, llvm_i32_ty,
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llvm_i32_ty],
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[IntrReadWriteArgMem, NoCapture<0>]>;
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def int_pcmarker : Intrinsic<[], [llvm_i32_ty]>;
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def int_readcyclecounter : Intrinsic<[llvm_i64_ty]>;
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// Stack Protector Intrinsic - The stackprotector intrinsic writes the stack
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// guard to the correct place on the stack frame.
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def int_stackprotector : Intrinsic<[], [llvm_ptr_ty, llvm_ptrptr_ty], []>;
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//===------------------- Standard C Library Intrinsics --------------------===//
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//
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def int_memcpy : Intrinsic<[],
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[llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty,
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llvm_i32_ty, llvm_i1_ty],
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[IntrReadWriteArgMem, NoCapture<0>, NoCapture<1>]>;
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def int_memmove : Intrinsic<[],
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[llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty,
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llvm_i32_ty, llvm_i1_ty],
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[IntrReadWriteArgMem, NoCapture<0>, NoCapture<1>]>;
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def int_memset : Intrinsic<[],
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[llvm_anyptr_ty, llvm_i8_ty, llvm_anyint_ty,
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llvm_i32_ty, llvm_i1_ty],
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[IntrReadWriteArgMem, NoCapture<0>]>;
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// These functions do not actually read memory, but they are sensitive to the
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// rounding mode. This needs to be modelled separately; in the meantime
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// declaring them as reading memory is conservatively correct.
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let Properties = [IntrReadMem] in {
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def int_sqrt : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
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def int_powi : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, llvm_i32_ty]>;
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def int_sin : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
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def int_cos : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
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def int_pow : Intrinsic<[llvm_anyfloat_ty],
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[LLVMMatchType<0>, LLVMMatchType<0>]>;
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def int_log : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
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def int_log10: Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
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def int_log2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
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def int_exp : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
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def int_exp2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
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def int_fabs : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
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def int_floor : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
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}
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let Properties = [IntrNoMem] in {
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def int_fma : Intrinsic<[llvm_anyfloat_ty],
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[LLVMMatchType<0>, LLVMMatchType<0>,
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LLVMMatchType<0>]>;
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def int_fmuladd : Intrinsic<[llvm_anyfloat_ty],
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[LLVMMatchType<0>, LLVMMatchType<0>,
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LLVMMatchType<0>]>;
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}
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// NOTE: these are internal interfaces.
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def int_setjmp : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>;
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def int_longjmp : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty]>;
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def int_sigsetjmp : Intrinsic<[llvm_i32_ty] , [llvm_ptr_ty, llvm_i32_ty]>;
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def int_siglongjmp : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty]>;
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// Internal interface for object size checking
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def int_objectsize : Intrinsic<[llvm_anyint_ty], [llvm_ptr_ty, llvm_i1_ty],
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[IntrNoMem]>,
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GCCBuiltin<"__builtin_object_size">;
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//===------------------------- Expect Intrinsics --------------------------===//
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//
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def int_expect : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>,
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LLVMMatchType<0>], [IntrNoMem]>;
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//===-------------------- Bit Manipulation Intrinsics ---------------------===//
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//
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// None of these intrinsics accesses memory at all.
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let Properties = [IntrNoMem] in {
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def int_bswap: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
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def int_ctpop: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
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def int_ctlz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>, llvm_i1_ty]>;
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def int_cttz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>, llvm_i1_ty]>;
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}
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//===------------------------ Debugger Intrinsics -------------------------===//
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//
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// None of these intrinsics accesses memory at all...but that doesn't mean the
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// optimizers can change them aggressively. Special handling needed in a few
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// places.
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let Properties = [IntrNoMem] in {
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def int_dbg_declare : Intrinsic<[],
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[llvm_metadata_ty, llvm_metadata_ty]>;
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def int_dbg_value : Intrinsic<[],
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[llvm_metadata_ty, llvm_i64_ty,
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llvm_metadata_ty]>;
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}
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//===------------------ Exception Handling Intrinsics----------------------===//
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//
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// The result of eh.typeid.for depends on the enclosing function, but inside a
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// given function it is 'const' and may be CSE'd etc.
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def int_eh_typeid_for : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty], [IntrNoMem]>;
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def int_eh_return_i32 : Intrinsic<[], [llvm_i32_ty, llvm_ptr_ty]>;
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def int_eh_return_i64 : Intrinsic<[], [llvm_i64_ty, llvm_ptr_ty]>;
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def int_eh_unwind_init: Intrinsic<[]>,
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GCCBuiltin<"__builtin_unwind_init">;
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def int_eh_dwarf_cfa : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty]>;
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let Properties = [IntrNoMem] in {
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def int_eh_sjlj_lsda : Intrinsic<[llvm_ptr_ty]>;
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def int_eh_sjlj_callsite : Intrinsic<[], [llvm_i32_ty]>;
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}
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def int_eh_sjlj_functioncontext : Intrinsic<[], [llvm_ptr_ty]>;
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def int_eh_sjlj_setjmp : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>;
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def int_eh_sjlj_longjmp : Intrinsic<[], [llvm_ptr_ty]>;
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//===---------------- Generic Variable Attribute Intrinsics----------------===//
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//
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def int_var_annotation : Intrinsic<[],
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[llvm_ptr_ty, llvm_ptr_ty,
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llvm_ptr_ty, llvm_i32_ty],
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[], "llvm.var.annotation">;
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def int_ptr_annotation : Intrinsic<[LLVMAnyPointerType<llvm_anyint_ty>],
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[LLVMMatchType<0>, llvm_ptr_ty, llvm_ptr_ty,
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llvm_i32_ty],
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[], "llvm.ptr.annotation">;
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def int_annotation : Intrinsic<[llvm_anyint_ty],
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[LLVMMatchType<0>, llvm_ptr_ty,
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llvm_ptr_ty, llvm_i32_ty],
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[], "llvm.annotation">;
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//===------------------------ Trampoline Intrinsics -----------------------===//
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//
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def int_init_trampoline : Intrinsic<[],
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[llvm_ptr_ty, llvm_ptr_ty, llvm_ptr_ty],
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[IntrReadWriteArgMem, NoCapture<0>]>,
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GCCBuiltin<"__builtin_init_trampoline">;
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def int_adjust_trampoline : Intrinsic<[llvm_ptr_ty], [llvm_ptr_ty],
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[IntrReadArgMem]>,
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GCCBuiltin<"__builtin_adjust_trampoline">;
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//===------------------------ Overflow Intrinsics -------------------------===//
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//
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// Expose the carry flag from add operations on two integrals.
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def int_sadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
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[LLVMMatchType<0>, LLVMMatchType<0>],
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[IntrNoMem]>;
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def int_uadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
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[LLVMMatchType<0>, LLVMMatchType<0>],
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[IntrNoMem]>;
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def int_ssub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
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[LLVMMatchType<0>, LLVMMatchType<0>],
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[IntrNoMem]>;
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def int_usub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
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[LLVMMatchType<0>, LLVMMatchType<0>],
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[IntrNoMem]>;
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def int_smul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
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[LLVMMatchType<0>, LLVMMatchType<0>],
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[IntrNoMem]>;
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def int_umul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
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[LLVMMatchType<0>, LLVMMatchType<0>],
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[IntrNoMem]>;
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//===------------------------- Memory Use Markers -------------------------===//
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//
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def int_lifetime_start : Intrinsic<[],
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[llvm_i64_ty, llvm_ptr_ty],
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[IntrReadWriteArgMem, NoCapture<1>]>;
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def int_lifetime_end : Intrinsic<[],
|
|
[llvm_i64_ty, llvm_ptr_ty],
|
|
[IntrReadWriteArgMem, NoCapture<1>]>;
|
|
def int_invariant_start : Intrinsic<[llvm_descriptor_ty],
|
|
[llvm_i64_ty, llvm_ptr_ty],
|
|
[IntrReadWriteArgMem, NoCapture<1>]>;
|
|
def int_invariant_end : Intrinsic<[],
|
|
[llvm_descriptor_ty, llvm_i64_ty,
|
|
llvm_ptr_ty],
|
|
[IntrReadWriteArgMem, NoCapture<2>]>;
|
|
|
|
//===-------------------------- Other Intrinsics --------------------------===//
|
|
//
|
|
def int_flt_rounds : Intrinsic<[llvm_i32_ty]>,
|
|
GCCBuiltin<"__builtin_flt_rounds">;
|
|
def int_trap : Intrinsic<[], [], [IntrNoReturn]>,
|
|
GCCBuiltin<"__builtin_trap">;
|
|
def int_debugtrap : Intrinsic<[]>,
|
|
GCCBuiltin<"__builtin_debugtrap">;
|
|
|
|
// NOP: calls/invokes to this intrinsic are removed by codegen
|
|
def int_donothing : Intrinsic<[], [], [IntrNoMem]>;
|
|
|
|
// Intrisics to support half precision floating point format
|
|
let Properties = [IntrNoMem] in {
|
|
def int_convert_to_fp16 : Intrinsic<[llvm_i16_ty], [llvm_float_ty]>,
|
|
GCCBuiltin<"__gnu_f2h_ieee">;
|
|
def int_convert_from_fp16 : Intrinsic<[llvm_float_ty], [llvm_i16_ty]>,
|
|
GCCBuiltin<"__gnu_h2f_ieee">;
|
|
}
|
|
|
|
// These convert intrinsics are to support various conversions between
|
|
// various types with rounding and saturation. NOTE: avoid using these
|
|
// intrinsics as they might be removed sometime in the future and
|
|
// most targets don't support them.
|
|
def int_convertff : Intrinsic<[llvm_anyfloat_ty],
|
|
[llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>;
|
|
def int_convertfsi : Intrinsic<[llvm_anyfloat_ty],
|
|
[llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
|
|
def int_convertfui : Intrinsic<[llvm_anyfloat_ty],
|
|
[llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
|
|
def int_convertsif : Intrinsic<[llvm_anyint_ty],
|
|
[llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>;
|
|
def int_convertuif : Intrinsic<[llvm_anyint_ty],
|
|
[llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>;
|
|
def int_convertss : Intrinsic<[llvm_anyint_ty],
|
|
[llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
|
|
def int_convertsu : Intrinsic<[llvm_anyint_ty],
|
|
[llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
|
|
def int_convertus : Intrinsic<[llvm_anyint_ty],
|
|
[llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
|
|
def int_convertuu : Intrinsic<[llvm_anyint_ty],
|
|
[llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Target-specific intrinsics
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
include "llvm/IntrinsicsPowerPC.td"
|
|
include "llvm/IntrinsicsX86.td"
|
|
include "llvm/IntrinsicsARM.td"
|
|
include "llvm/IntrinsicsCellSPU.td"
|
|
include "llvm/IntrinsicsXCore.td"
|
|
include "llvm/IntrinsicsHexagon.td"
|
|
include "llvm/IntrinsicsNVVM.td"
|
|
include "llvm/IntrinsicsMips.td"
|