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440 lines
21 KiB
TableGen
440 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 exactly 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 (IntrWriteMem).
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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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// 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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// IntrWriteArgMem - This intrinsic reads and writes only from memory that one
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// of its arguments points to, but may access an unspecified amount. The reads
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// and writes may be volatile, but except for this it has no other side effects.
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def IntrWriteArgMem : IntrinsicProperty;
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// IntrWriteMem - This intrinsic may read or modify unspecified memory or has
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// other side effects. It cannot be modified by the optimizer. This is the
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// default if the intrinsic has no other Intr*Mem property.
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def IntrWriteMem : 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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// 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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//===----------------------------------------------------------------------===//
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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 LLVMPointerType<LLVMType elty>
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: LLVMType<iPTR>{
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LLVMType ElTy = elty;
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}
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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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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_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_v16i8_ty : LLVMType<v16i8>; // 16 x i8
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def llvm_v8i16_ty : LLVMType<v8i16>; // 8 x i16
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def llvm_v2i64_ty : LLVMType<v2i64>; // 2 x i64
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def llvm_v2i32_ty : LLVMType<v2i32>; // 2 x i32
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def llvm_v1i64_ty : LLVMType<v1i64>; // 1 x i64
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def llvm_v4i32_ty : LLVMType<v4i32>; // 4 x i32
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def llvm_v4f32_ty : LLVMType<v4f32>; // 4 x float
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def llvm_v2f64_ty : LLVMType<v2f64>; // 2 x double
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// MMX Vector Types
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def llvm_v8i8_ty : LLVMType<v8i8>; // 8 x i8
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def llvm_v4i16_ty : LLVMType<v4i16>; // 4 x i16
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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 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 = ""> {
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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_void_ty], [llvm_ptr_ty], [], "llvm.va_start">;
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def int_vacopy : Intrinsic<[llvm_void_ty], [llvm_ptr_ty, llvm_ptr_ty], [],
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"llvm.va_copy">;
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def int_vaend : Intrinsic<[llvm_void_ty], [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<[llvm_void_ty],
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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<[llvm_void_ty],
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[llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty],
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[IntrWriteArgMem, 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_void_ty], [llvm_ptr_ty]>,
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GCCBuiltin<"__builtin_stack_restore">;
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// IntrWriteArgMem 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<[llvm_void_ty],
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[llvm_ptr_ty, llvm_i32_ty, llvm_i32_ty],
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[IntrWriteArgMem, NoCapture<0>]>;
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def int_pcmarker : Intrinsic<[llvm_void_ty], [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_void_ty],
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[llvm_ptr_ty, llvm_ptrptr_ty],
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[IntrWriteMem]>;
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//===------------------- Standard C Library Intrinsics --------------------===//
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//
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def int_memcpy : Intrinsic<[llvm_void_ty],
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[llvm_ptr_ty, llvm_ptr_ty, llvm_anyint_ty,
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llvm_i32_ty],
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[IntrWriteArgMem, NoCapture<0>, NoCapture<1>]>;
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def int_memmove : Intrinsic<[llvm_void_ty],
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[llvm_ptr_ty, llvm_ptr_ty, llvm_anyint_ty,
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llvm_i32_ty],
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[IntrWriteArgMem, NoCapture<0>, NoCapture<1>]>;
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def int_memset : Intrinsic<[llvm_void_ty],
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[llvm_ptr_ty, llvm_i8_ty, llvm_anyint_ty,
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llvm_i32_ty],
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[IntrWriteArgMem, 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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}
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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_void_ty], [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_void_ty], [llvm_ptr_ty, llvm_i32_ty]>;
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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>]>;
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def int_cttz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
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def int_part_select : Intrinsic<[llvm_anyint_ty],
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[LLVMMatchType<0>, llvm_i32_ty, llvm_i32_ty]>;
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def int_part_set : Intrinsic<[llvm_anyint_ty],
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[LLVMMatchType<0>, llvm_anyint_ty,
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llvm_i32_ty, llvm_i32_ty]>;
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}
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//===------------------------ Debugger Intrinsics -------------------------===//
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//
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def int_dbg_stoppoint : Intrinsic<[llvm_void_ty],
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[llvm_i32_ty, llvm_i32_ty,
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llvm_descriptor_ty]>;
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def int_dbg_region_start : Intrinsic<[llvm_void_ty], [llvm_descriptor_ty]>;
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def int_dbg_region_end : Intrinsic<[llvm_void_ty], [llvm_descriptor_ty]>;
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def int_dbg_func_start : Intrinsic<[llvm_void_ty], [llvm_descriptor_ty]>;
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def int_dbg_declare : Intrinsic<[llvm_void_ty],
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[llvm_descriptor_ty, llvm_descriptor_ty]>;
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//===------------------ Exception Handling Intrinsics----------------------===//
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//
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def int_eh_exception : Intrinsic<[llvm_ptr_ty]>;
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def int_eh_selector_i32 : Intrinsic<[llvm_i32_ty],
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[llvm_ptr_ty, llvm_ptr_ty, llvm_vararg_ty]>;
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def int_eh_selector_i64 : Intrinsic<[llvm_i64_ty],
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[llvm_ptr_ty, llvm_ptr_ty, llvm_vararg_ty]>;
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def int_eh_typeid_for_i32 : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>;
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def int_eh_typeid_for_i64 : Intrinsic<[llvm_i64_ty], [llvm_ptr_ty]>;
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def int_eh_return_i32 : Intrinsic<[llvm_void_ty], [llvm_i32_ty, llvm_ptr_ty]>;
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def int_eh_return_i64 : Intrinsic<[llvm_void_ty], [llvm_i64_ty, llvm_ptr_ty]>;
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def int_eh_unwind_init: Intrinsic<[llvm_void_ty]>,
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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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//===---------------- Generic Variable Attribute Intrinsics----------------===//
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//
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def int_var_annotation : Intrinsic<[llvm_void_ty],
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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<[llvm_ptr_ty],
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[llvm_ptr_ty, llvm_ptr_ty, llvm_ptr_ty],
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[IntrWriteArgMem]>,
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GCCBuiltin<"__builtin_init_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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def int_uadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
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[LLVMMatchType<0>, LLVMMatchType<0>]>;
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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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def int_usub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
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[LLVMMatchType<0>, LLVMMatchType<0>]>;
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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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def int_umul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
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[LLVMMatchType<0>, LLVMMatchType<0>]>;
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//===------------------------- Atomic Intrinsics --------------------------===//
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//
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def int_memory_barrier : Intrinsic<[llvm_void_ty],
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[llvm_i1_ty, llvm_i1_ty,
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llvm_i1_ty, llvm_i1_ty, llvm_i1_ty], []>,
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GCCBuiltin<"__builtin_llvm_memory_barrier">;
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def int_atomic_cmp_swap : Intrinsic<[llvm_anyint_ty],
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[LLVMAnyPointerType<LLVMMatchType<0>>,
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LLVMMatchType<0>, LLVMMatchType<0>],
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[IntrWriteArgMem, NoCapture<0>]>,
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GCCBuiltin<"__sync_val_compare_and_swap">;
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def int_atomic_load_add : Intrinsic<[llvm_anyint_ty],
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[LLVMAnyPointerType<LLVMMatchType<0>>,
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LLVMMatchType<0>],
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[IntrWriteArgMem, NoCapture<0>]>,
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GCCBuiltin<"__sync_fetch_and_add">;
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def int_atomic_swap : Intrinsic<[llvm_anyint_ty],
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[LLVMAnyPointerType<LLVMMatchType<0>>,
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LLVMMatchType<0>],
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[IntrWriteArgMem, NoCapture<0>]>,
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GCCBuiltin<"__sync_lock_test_and_set">;
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def int_atomic_load_sub : Intrinsic<[llvm_anyint_ty],
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[LLVMAnyPointerType<LLVMMatchType<0>>,
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LLVMMatchType<0>],
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[IntrWriteArgMem, NoCapture<0>]>,
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GCCBuiltin<"__sync_fetch_and_sub">;
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def int_atomic_load_and : Intrinsic<[llvm_anyint_ty],
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[LLVMAnyPointerType<LLVMMatchType<0>>,
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LLVMMatchType<0>],
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[IntrWriteArgMem, NoCapture<0>]>,
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GCCBuiltin<"__sync_fetch_and_and">;
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def int_atomic_load_or : Intrinsic<[llvm_anyint_ty],
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[LLVMAnyPointerType<LLVMMatchType<0>>,
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LLVMMatchType<0>],
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[IntrWriteArgMem, NoCapture<0>]>,
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GCCBuiltin<"__sync_fetch_and_or">;
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def int_atomic_load_xor : Intrinsic<[llvm_anyint_ty],
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[LLVMAnyPointerType<LLVMMatchType<0>>,
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LLVMMatchType<0>],
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[IntrWriteArgMem, NoCapture<0>]>,
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GCCBuiltin<"__sync_fetch_and_xor">;
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def int_atomic_load_nand : Intrinsic<[llvm_anyint_ty],
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[LLVMAnyPointerType<LLVMMatchType<0>>,
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LLVMMatchType<0>],
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[IntrWriteArgMem, NoCapture<0>]>,
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GCCBuiltin<"__sync_fetch_and_nand">;
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def int_atomic_load_min : Intrinsic<[llvm_anyint_ty],
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[LLVMAnyPointerType<LLVMMatchType<0>>,
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LLVMMatchType<0>],
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[IntrWriteArgMem, NoCapture<0>]>,
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GCCBuiltin<"__sync_fetch_and_min">;
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def int_atomic_load_max : Intrinsic<[llvm_anyint_ty],
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[LLVMAnyPointerType<LLVMMatchType<0>>,
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LLVMMatchType<0>],
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[IntrWriteArgMem, NoCapture<0>]>,
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GCCBuiltin<"__sync_fetch_and_max">;
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def int_atomic_load_umin : Intrinsic<[llvm_anyint_ty],
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[LLVMAnyPointerType<LLVMMatchType<0>>,
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LLVMMatchType<0>],
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[IntrWriteArgMem, NoCapture<0>]>,
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GCCBuiltin<"__sync_fetch_and_umin">;
|
|
def int_atomic_load_umax : Intrinsic<[llvm_anyint_ty],
|
|
[LLVMAnyPointerType<LLVMMatchType<0>>,
|
|
LLVMMatchType<0>],
|
|
[IntrWriteArgMem, NoCapture<0>]>,
|
|
GCCBuiltin<"__sync_fetch_and_umax">;
|
|
|
|
//===-------------------------- Other Intrinsics --------------------------===//
|
|
//
|
|
def int_flt_rounds : Intrinsic<[llvm_i32_ty]>,
|
|
GCCBuiltin<"__builtin_flt_rounds">;
|
|
def int_trap : Intrinsic<[llvm_void_ty]>,
|
|
GCCBuiltin<"__builtin_trap">;
|
|
|
|
// 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/IntrinsicsAlpha.td"
|
|
include "llvm/IntrinsicsXCore.td"
|