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ac9385a555
may be overloaded with vector types. And add a testcase for codegen for these. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42885 91177308-0d34-0410-b5e6-96231b3b80d8
268 lines
12 KiB
TableGen
268 lines
12 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 was developed by Chris Lattner and is distributed under the
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// University of Illinois Open Source 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. It has no
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// other side effects. This may only be used if the intrinsic doesn't "capture"
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// the argument pointer (e.g. storing it someplace).
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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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//===----------------------------------------------------------------------===//
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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 LLVMMatchType<int num>
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: LLVMType<OtherVT>{
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int Number = num;
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}
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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_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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// * Types is a list containing the return type and the argument types
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// expected for the 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> 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> Types = types;
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list<IntrinsicProperty> Properties = properties;
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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, llvm_ptrptr_ty, llvm_ptr_ty]>;
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def int_gcread : Intrinsic<[llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty],
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[IntrReadArgMem]>;
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def int_gcwrite : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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llvm_ptrptr_ty], [IntrWriteArgMem]>;
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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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def int_stacksave : Intrinsic<[llvm_ptr_ty], [IntrReadMem]>,
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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, llvm_ptr_ty,
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llvm_i32_ty, llvm_i32_ty],
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[IntrWriteArgMem]>;
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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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//===------------------- Standard C Library Intrinsics --------------------===//
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//
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let Properties = [IntrWriteArgMem] in {
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def int_memcpy_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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llvm_i32_ty, llvm_i32_ty]>;
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def int_memcpy_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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llvm_i64_ty, llvm_i32_ty]>;
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def int_memmove_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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llvm_i32_ty, llvm_i32_ty]>;
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def int_memmove_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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llvm_i64_ty, llvm_i32_ty]>;
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def int_memset_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_i8_ty,
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llvm_i32_ty, llvm_i32_ty]>;
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def int_memset_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_i8_ty,
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llvm_i64_ty, llvm_i32_ty]>;
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}
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let Properties = [IntrNoMem] 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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}
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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 :
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Intrinsic<[llvm_anyint_ty, LLVMMatchType<0>, llvm_i32_ty, llvm_i32_ty]>;
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def int_part_set :
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Intrinsic<[llvm_anyint_ty, LLVMMatchType<0>, llvm_anyint_ty, llvm_i32_ty,
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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, llvm_descriptor_ty,
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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, llvm_ptr_ty, llvm_ptr_ty,
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llvm_vararg_ty]>;
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def int_eh_selector_i64 : Intrinsic<[llvm_i64_ty, llvm_ptr_ty, llvm_ptr_ty,
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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 : Intrinsic<[llvm_void_ty, llvm_i32_ty, llvm_ptr_ty]>,
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GCCBuiltin<"__builtin_eh_return">;
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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, 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_annotation : Intrinsic<[llvm_anyint_ty, 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, llvm_ptr_ty, llvm_ptr_ty,
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llvm_ptr_ty], []>,
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GCCBuiltin<"__builtin_init_trampoline">;
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//===----------------------------------------------------------------------===//
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// Target-specific intrinsics
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//===----------------------------------------------------------------------===//
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include "llvm/IntrinsicsPowerPC.td"
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include "llvm/IntrinsicsX86.td"
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