1//===- Intrinsics.td - Defines all LLVM intrinsics ---------*- tablegen -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file defines properties of all LLVM intrinsics. 11// 12//===----------------------------------------------------------------------===// 13 14include "llvm/CodeGen/ValueTypes.td" 15 16//===----------------------------------------------------------------------===// 17// Properties we keep track of for intrinsics. 18//===----------------------------------------------------------------------===// 19 20class IntrinsicProperty; 21 22// Intr*Mem - Memory properties. An intrinsic is allowed to have at most one of 23// these properties set. They are listed from the most aggressive (best to use 24// if correct) to the least aggressive. If no property is set, the worst case 25// is assumed (it may read and write any memory it can get access to and it may 26// have other side effects). 27 28// IntrNoMem - The intrinsic does not access memory or have any other side 29// effects. It may be CSE'd deleted if dead, etc. 30def IntrNoMem : IntrinsicProperty; 31 32// IntrReadArgMem - This intrinsic reads only from memory that one of its 33// pointer-typed arguments points to, but may read an unspecified amount. 34def IntrReadArgMem : IntrinsicProperty; 35 36// IntrReadMem - This intrinsic reads from unspecified memory, so it cannot be 37// moved across stores. However, it can be reordered otherwise and can be 38// deleted if dead. 39def IntrReadMem : IntrinsicProperty; 40 41// IntrReadWriteArgMem - This intrinsic reads and writes only from memory that 42// one of its arguments points to, but may access an unspecified amount. The 43// reads and writes may be volatile, but except for this it has no other side 44// effects. 45def IntrReadWriteArgMem : IntrinsicProperty; 46 47// Commutative - This intrinsic is commutative: X op Y == Y op X. 48def Commutative : IntrinsicProperty; 49 50// Throws - This intrinsic can throw. 51def Throws : IntrinsicProperty; 52 53// NoCapture - The specified argument pointer is not captured by the intrinsic. 54class NoCapture<int argNo> : IntrinsicProperty { 55 int ArgNo = argNo; 56} 57 58// ReadOnly - The specified argument pointer is not written to through the 59// pointer by the intrinsic. 60class ReadOnly<int argNo> : IntrinsicProperty { 61 int ArgNo = argNo; 62} 63 64// ReadNone - The specified argument pointer is not dereferenced by the 65// intrinsic. 66class ReadNone<int argNo> : IntrinsicProperty { 67 int ArgNo = argNo; 68} 69 70def IntrNoReturn : IntrinsicProperty; 71 72// IntrNoduplicate - Calls to this intrinsic cannot be duplicated. 73// Parallels the noduplicate attribute on LLVM IR functions. 74def IntrNoDuplicate : IntrinsicProperty; 75 76// IntrConvergent - Calls to this intrinsic are convergent and may not be made 77// control-dependent on any additional values. 78// Parallels the convergent attribute on LLVM IR functions. 79def IntrConvergent : IntrinsicProperty; 80 81//===----------------------------------------------------------------------===// 82// Types used by intrinsics. 83//===----------------------------------------------------------------------===// 84 85class LLVMType<ValueType vt> { 86 ValueType VT = vt; 87} 88 89class LLVMQualPointerType<LLVMType elty, int addrspace> 90 : LLVMType<iPTR>{ 91 LLVMType ElTy = elty; 92 int AddrSpace = addrspace; 93} 94 95class LLVMPointerType<LLVMType elty> 96 : LLVMQualPointerType<elty, 0>; 97 98class LLVMAnyPointerType<LLVMType elty> 99 : LLVMType<iPTRAny>{ 100 LLVMType ElTy = elty; 101} 102 103// Match the type of another intrinsic parameter. Number is an index into the 104// list of overloaded types for the intrinsic, excluding all the fixed types. 105// The Number value must refer to a previously listed type. For example: 106// Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_anyfloat_ty, LLVMMatchType<0>]> 107// has two overloaded types, the 2nd and 3rd arguments. LLVMMatchType<0> 108// refers to the first overloaded type, which is the 2nd argument. 109class LLVMMatchType<int num> 110 : LLVMType<OtherVT>{ 111 int Number = num; 112} 113 114// Match the type of another intrinsic parameter that is expected to be based on 115// an integral type (i.e. either iN or <N x iM>), but change the scalar size to 116// be twice as wide or half as wide as the other type. This is only useful when 117// the intrinsic is overloaded, so the matched type should be declared as iAny. 118class LLVMExtendedType<int num> : LLVMMatchType<num>; 119class LLVMTruncatedType<int num> : LLVMMatchType<num>; 120class LLVMVectorSameWidth<int num, LLVMType elty> 121 : LLVMMatchType<num> { 122 ValueType ElTy = elty.VT; 123} 124class LLVMPointerTo<int num> : LLVMMatchType<num>; 125class LLVMVectorOfPointersToElt<int num> : LLVMMatchType<num>; 126 127// Match the type of another intrinsic parameter that is expected to be a 128// vector type, but change the element count to be half as many 129class LLVMHalfElementsVectorType<int num> : LLVMMatchType<num>; 130 131def llvm_void_ty : LLVMType<isVoid>; 132def llvm_any_ty : LLVMType<Any>; 133def llvm_anyint_ty : LLVMType<iAny>; 134def llvm_anyfloat_ty : LLVMType<fAny>; 135def llvm_anyvector_ty : LLVMType<vAny>; 136def llvm_i1_ty : LLVMType<i1>; 137def llvm_i8_ty : LLVMType<i8>; 138def llvm_i16_ty : LLVMType<i16>; 139def llvm_i32_ty : LLVMType<i32>; 140def llvm_i64_ty : LLVMType<i64>; 141def llvm_half_ty : LLVMType<f16>; 142def llvm_float_ty : LLVMType<f32>; 143def llvm_double_ty : LLVMType<f64>; 144def llvm_f80_ty : LLVMType<f80>; 145def llvm_f128_ty : LLVMType<f128>; 146def llvm_ppcf128_ty : LLVMType<ppcf128>; 147def llvm_ptr_ty : LLVMPointerType<llvm_i8_ty>; // i8* 148def llvm_ptrptr_ty : LLVMPointerType<llvm_ptr_ty>; // i8** 149def llvm_anyptr_ty : LLVMAnyPointerType<llvm_i8_ty>; // (space)i8* 150def llvm_empty_ty : LLVMType<OtherVT>; // { } 151def llvm_descriptor_ty : LLVMPointerType<llvm_empty_ty>; // { }* 152def llvm_metadata_ty : LLVMType<MetadataVT>; // !{...} 153def llvm_token_ty : LLVMType<token>; // token 154 155def llvm_x86mmx_ty : LLVMType<x86mmx>; 156def llvm_ptrx86mmx_ty : LLVMPointerType<llvm_x86mmx_ty>; // <1 x i64>* 157 158def llvm_v2i1_ty : LLVMType<v2i1>; // 2 x i1 159def llvm_v4i1_ty : LLVMType<v4i1>; // 4 x i1 160def llvm_v8i1_ty : LLVMType<v8i1>; // 8 x i1 161def llvm_v16i1_ty : LLVMType<v16i1>; // 16 x i1 162def llvm_v32i1_ty : LLVMType<v32i1>; // 32 x i1 163def llvm_v64i1_ty : LLVMType<v64i1>; // 64 x i1 164def llvm_v512i1_ty : LLVMType<v512i1>; // 512 x i1 165def llvm_v1024i1_ty : LLVMType<v1024i1>; //1024 x i1 166 167def llvm_v1i8_ty : LLVMType<v1i8>; // 1 x i8 168def llvm_v2i8_ty : LLVMType<v2i8>; // 2 x i8 169def llvm_v4i8_ty : LLVMType<v4i8>; // 4 x i8 170def llvm_v8i8_ty : LLVMType<v8i8>; // 8 x i8 171def llvm_v16i8_ty : LLVMType<v16i8>; // 16 x i8 172def llvm_v32i8_ty : LLVMType<v32i8>; // 32 x i8 173def llvm_v64i8_ty : LLVMType<v64i8>; // 64 x i8 174def llvm_v128i8_ty : LLVMType<v128i8>; //128 x i8 175def llvm_v256i8_ty : LLVMType<v256i8>; //256 x i8 176 177def llvm_v1i16_ty : LLVMType<v1i16>; // 1 x i16 178def llvm_v2i16_ty : LLVMType<v2i16>; // 2 x i16 179def llvm_v4i16_ty : LLVMType<v4i16>; // 4 x i16 180def llvm_v8i16_ty : LLVMType<v8i16>; // 8 x i16 181def llvm_v16i16_ty : LLVMType<v16i16>; // 16 x i16 182def llvm_v32i16_ty : LLVMType<v32i16>; // 32 x i16 183def llvm_v64i16_ty : LLVMType<v64i16>; // 64 x i16 184def llvm_v128i16_ty : LLVMType<v128i16>; //128 x i16 185 186def llvm_v1i32_ty : LLVMType<v1i32>; // 1 x i32 187def llvm_v2i32_ty : LLVMType<v2i32>; // 2 x i32 188def llvm_v4i32_ty : LLVMType<v4i32>; // 4 x i32 189def llvm_v8i32_ty : LLVMType<v8i32>; // 8 x i32 190def llvm_v16i32_ty : LLVMType<v16i32>; // 16 x i32 191def llvm_v32i32_ty : LLVMType<v32i32>; // 32 x i32 192def llvm_v64i32_ty : LLVMType<v64i32>; // 64 x i32 193 194def llvm_v1i64_ty : LLVMType<v1i64>; // 1 x i64 195def llvm_v2i64_ty : LLVMType<v2i64>; // 2 x i64 196def llvm_v4i64_ty : LLVMType<v4i64>; // 4 x i64 197def llvm_v8i64_ty : LLVMType<v8i64>; // 8 x i64 198def llvm_v16i64_ty : LLVMType<v16i64>; // 16 x i64 199def llvm_v32i64_ty : LLVMType<v32i64>; // 32 x i64 200 201def llvm_v1i128_ty : LLVMType<v1i128>; // 1 x i128 202 203def llvm_v2f16_ty : LLVMType<v2f16>; // 2 x half (__fp16) 204def llvm_v4f16_ty : LLVMType<v4f16>; // 4 x half (__fp16) 205def llvm_v8f16_ty : LLVMType<v8f16>; // 8 x half (__fp16) 206def llvm_v1f32_ty : LLVMType<v1f32>; // 1 x float 207def llvm_v2f32_ty : LLVMType<v2f32>; // 2 x float 208def llvm_v4f32_ty : LLVMType<v4f32>; // 4 x float 209def llvm_v8f32_ty : LLVMType<v8f32>; // 8 x float 210def llvm_v16f32_ty : LLVMType<v16f32>; // 16 x float 211def llvm_v1f64_ty : LLVMType<v1f64>; // 1 x double 212def llvm_v2f64_ty : LLVMType<v2f64>; // 2 x double 213def llvm_v4f64_ty : LLVMType<v4f64>; // 4 x double 214def llvm_v8f64_ty : LLVMType<v8f64>; // 8 x double 215 216def llvm_vararg_ty : LLVMType<isVoid>; // this means vararg here 217 218 219//===----------------------------------------------------------------------===// 220// Intrinsic Definitions. 221//===----------------------------------------------------------------------===// 222 223// Intrinsic class - This is used to define one LLVM intrinsic. The name of the 224// intrinsic definition should start with "int_", then match the LLVM intrinsic 225// name with the "llvm." prefix removed, and all "."s turned into "_"s. For 226// example, llvm.bswap.i16 -> int_bswap_i16. 227// 228// * RetTypes is a list containing the return types expected for the 229// intrinsic. 230// * ParamTypes is a list containing the parameter types expected for the 231// intrinsic. 232// * Properties can be set to describe the behavior of the intrinsic. 233// 234class SDPatternOperator; 235class Intrinsic<list<LLVMType> ret_types, 236 list<LLVMType> param_types = [], 237 list<IntrinsicProperty> properties = [], 238 string name = ""> : SDPatternOperator { 239 string LLVMName = name; 240 string TargetPrefix = ""; // Set to a prefix for target-specific intrinsics. 241 list<LLVMType> RetTypes = ret_types; 242 list<LLVMType> ParamTypes = param_types; 243 list<IntrinsicProperty> Properties = properties; 244 245 bit isTarget = 0; 246} 247 248/// GCCBuiltin - If this intrinsic exactly corresponds to a GCC builtin, this 249/// specifies the name of the builtin. This provides automatic CBE and CFE 250/// support. 251class GCCBuiltin<string name> { 252 string GCCBuiltinName = name; 253} 254 255class MSBuiltin<string name> { 256 string MSBuiltinName = name; 257} 258 259 260//===--------------- Variable Argument Handling Intrinsics ----------------===// 261// 262 263def int_vastart : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_start">; 264def int_vacopy : Intrinsic<[], [llvm_ptr_ty, llvm_ptr_ty], [], 265 "llvm.va_copy">; 266def int_vaend : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_end">; 267 268//===------------------- Garbage Collection Intrinsics --------------------===// 269// 270def int_gcroot : Intrinsic<[], 271 [llvm_ptrptr_ty, llvm_ptr_ty]>; 272def int_gcread : Intrinsic<[llvm_ptr_ty], 273 [llvm_ptr_ty, llvm_ptrptr_ty], 274 [IntrReadArgMem]>; 275def int_gcwrite : Intrinsic<[], 276 [llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty], 277 [IntrReadWriteArgMem, NoCapture<1>, NoCapture<2>]>; 278 279//===--------------------- Code Generator Intrinsics ----------------------===// 280// 281def int_returnaddress : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>; 282def int_frameaddress : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>; 283def int_read_register : Intrinsic<[llvm_anyint_ty], [llvm_metadata_ty], 284 [IntrReadMem], "llvm.read_register">; 285def int_write_register : Intrinsic<[], [llvm_metadata_ty, llvm_anyint_ty], 286 [], "llvm.write_register">; 287 288// Gets the address of the local variable area. This is typically a copy of the 289// stack, frame, or base pointer depending on the type of prologue. 290def int_localaddress : Intrinsic<[llvm_ptr_ty], [], [IntrNoMem]>; 291 292// Escapes local variables to allow access from other functions. 293def int_localescape : Intrinsic<[], [llvm_vararg_ty]>; 294 295// Given a function and the localaddress of a parent frame, returns a pointer 296// to an escaped allocation indicated by the index. 297def int_localrecover : Intrinsic<[llvm_ptr_ty], 298 [llvm_ptr_ty, llvm_ptr_ty, llvm_i32_ty], 299 [IntrNoMem]>; 300// Note: we treat stacksave/stackrestore as writemem because we don't otherwise 301// model their dependencies on allocas. 302def int_stacksave : Intrinsic<[llvm_ptr_ty]>, 303 GCCBuiltin<"__builtin_stack_save">; 304def int_stackrestore : Intrinsic<[], [llvm_ptr_ty]>, 305 GCCBuiltin<"__builtin_stack_restore">; 306 307def int_get_dynamic_area_offset : Intrinsic<[llvm_anyint_ty]>; 308 309// IntrReadWriteArgMem is more pessimistic than strictly necessary for prefetch, 310// however it does conveniently prevent the prefetch from being reordered 311// with respect to nearby accesses to the same memory. 312def int_prefetch : Intrinsic<[], 313 [llvm_ptr_ty, llvm_i32_ty, llvm_i32_ty, 314 llvm_i32_ty], 315 [IntrReadWriteArgMem, NoCapture<0>]>; 316def int_pcmarker : Intrinsic<[], [llvm_i32_ty]>; 317 318def int_readcyclecounter : Intrinsic<[llvm_i64_ty]>; 319 320// The assume intrinsic is marked as arbitrarily writing so that proper 321// control dependencies will be maintained. 322def int_assume : Intrinsic<[], [llvm_i1_ty], []>; 323 324// Stack Protector Intrinsic - The stackprotector intrinsic writes the stack 325// guard to the correct place on the stack frame. 326def int_stackprotector : Intrinsic<[], [llvm_ptr_ty, llvm_ptrptr_ty], []>; 327def int_stackprotectorcheck : Intrinsic<[], [llvm_ptrptr_ty], 328 [IntrReadWriteArgMem]>; 329 330// A counter increment for instrumentation based profiling. 331def int_instrprof_increment : Intrinsic<[], 332 [llvm_ptr_ty, llvm_i64_ty, 333 llvm_i32_ty, llvm_i32_ty], 334 []>; 335 336// A call to profile runtime for value profiling of target expressions 337// through instrumentation based profiling. 338def int_instrprof_value_profile : Intrinsic<[], 339 [llvm_ptr_ty, llvm_i64_ty, 340 llvm_i64_ty, llvm_i32_ty, 341 llvm_i32_ty], 342 []>; 343 344//===------------------- Standard C Library Intrinsics --------------------===// 345// 346 347def int_memcpy : Intrinsic<[], 348 [llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty, 349 llvm_i32_ty, llvm_i1_ty], 350 [IntrReadWriteArgMem, NoCapture<0>, NoCapture<1>, 351 ReadOnly<1>]>; 352def int_memmove : Intrinsic<[], 353 [llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty, 354 llvm_i32_ty, llvm_i1_ty], 355 [IntrReadWriteArgMem, NoCapture<0>, NoCapture<1>, 356 ReadOnly<1>]>; 357def int_memset : Intrinsic<[], 358 [llvm_anyptr_ty, llvm_i8_ty, llvm_anyint_ty, 359 llvm_i32_ty, llvm_i1_ty], 360 [IntrReadWriteArgMem, NoCapture<0>]>; 361 362let Properties = [IntrNoMem] in { 363 def int_fma : Intrinsic<[llvm_anyfloat_ty], 364 [LLVMMatchType<0>, LLVMMatchType<0>, 365 LLVMMatchType<0>]>; 366 def int_fmuladd : Intrinsic<[llvm_anyfloat_ty], 367 [LLVMMatchType<0>, LLVMMatchType<0>, 368 LLVMMatchType<0>]>; 369 370 // These functions do not read memory, but are sensitive to the 371 // rounding mode. LLVM purposely does not model changes to the FP 372 // environment so they can be treated as readnone. 373 def int_sqrt : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 374 def int_powi : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, llvm_i32_ty]>; 375 def int_sin : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 376 def int_cos : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 377 def int_pow : Intrinsic<[llvm_anyfloat_ty], 378 [LLVMMatchType<0>, LLVMMatchType<0>]>; 379 def int_log : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 380 def int_log10: Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 381 def int_log2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 382 def int_exp : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 383 def int_exp2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 384 def int_fabs : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 385 def int_minnum : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, LLVMMatchType<0>]>; 386 def int_maxnum : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, LLVMMatchType<0>]>; 387 def int_copysign : Intrinsic<[llvm_anyfloat_ty], 388 [LLVMMatchType<0>, LLVMMatchType<0>]>; 389 def int_floor : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 390 def int_ceil : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 391 def int_trunc : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 392 def int_rint : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 393 def int_nearbyint : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 394 def int_round : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; 395 def int_canonicalize : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>], 396 [IntrNoMem]>; 397} 398 399// NOTE: these are internal interfaces. 400def int_setjmp : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>; 401def int_longjmp : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty], [IntrNoReturn]>; 402def int_sigsetjmp : Intrinsic<[llvm_i32_ty] , [llvm_ptr_ty, llvm_i32_ty]>; 403def int_siglongjmp : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty], [IntrNoReturn]>; 404 405// Internal interface for object size checking 406def int_objectsize : Intrinsic<[llvm_anyint_ty], [llvm_anyptr_ty, llvm_i1_ty], 407 [IntrNoMem]>, 408 GCCBuiltin<"__builtin_object_size">; 409 410//===------------------------- Expect Intrinsics --------------------------===// 411// 412def int_expect : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>, 413 LLVMMatchType<0>], [IntrNoMem]>; 414 415//===-------------------- Bit Manipulation Intrinsics ---------------------===// 416// 417 418// None of these intrinsics accesses memory at all. 419let Properties = [IntrNoMem] in { 420 def int_bswap: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>; 421 def int_ctpop: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>; 422 def int_ctlz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>, llvm_i1_ty]>; 423 def int_cttz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>, llvm_i1_ty]>; 424 def int_bitreverse : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>; 425} 426 427//===------------------------ Debugger Intrinsics -------------------------===// 428// 429 430// None of these intrinsics accesses memory at all...but that doesn't mean the 431// optimizers can change them aggressively. Special handling needed in a few 432// places. 433let Properties = [IntrNoMem] in { 434 def int_dbg_declare : Intrinsic<[], 435 [llvm_metadata_ty, 436 llvm_metadata_ty, 437 llvm_metadata_ty]>; 438 def int_dbg_value : Intrinsic<[], 439 [llvm_metadata_ty, llvm_i64_ty, 440 llvm_metadata_ty, 441 llvm_metadata_ty]>; 442} 443 444//===------------------ Exception Handling Intrinsics----------------------===// 445// 446 447// The result of eh.typeid.for depends on the enclosing function, but inside a 448// given function it is 'const' and may be CSE'd etc. 449def int_eh_typeid_for : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty], [IntrNoMem]>; 450 451def int_eh_return_i32 : Intrinsic<[], [llvm_i32_ty, llvm_ptr_ty]>; 452def int_eh_return_i64 : Intrinsic<[], [llvm_i64_ty, llvm_ptr_ty]>; 453 454// eh.exceptionpointer returns the pointer to the exception caught by 455// the given `catchpad`. 456def int_eh_exceptionpointer : Intrinsic<[llvm_anyptr_ty], [llvm_token_ty], 457 [IntrNoMem]>; 458 459// Gets the exception code from a catchpad token. Only used on some platforms. 460def int_eh_exceptioncode : Intrinsic<[llvm_i32_ty], [llvm_token_ty], [IntrNoMem]>; 461 462// __builtin_unwind_init is an undocumented GCC intrinsic that causes all 463// callee-saved registers to be saved and restored (regardless of whether they 464// are used) in the calling function. It is used by libgcc_eh. 465def int_eh_unwind_init: Intrinsic<[]>, 466 GCCBuiltin<"__builtin_unwind_init">; 467 468def int_eh_dwarf_cfa : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty]>; 469 470let Properties = [IntrNoMem] in { 471 def int_eh_sjlj_lsda : Intrinsic<[llvm_ptr_ty]>; 472 def int_eh_sjlj_callsite : Intrinsic<[], [llvm_i32_ty]>; 473} 474def int_eh_sjlj_functioncontext : Intrinsic<[], [llvm_ptr_ty]>; 475def int_eh_sjlj_setjmp : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>; 476def int_eh_sjlj_longjmp : Intrinsic<[], [llvm_ptr_ty], [IntrNoReturn]>; 477def int_eh_sjlj_setup_dispatch : Intrinsic<[], []>; 478 479//===---------------- Generic Variable Attribute Intrinsics----------------===// 480// 481def int_var_annotation : Intrinsic<[], 482 [llvm_ptr_ty, llvm_ptr_ty, 483 llvm_ptr_ty, llvm_i32_ty], 484 [], "llvm.var.annotation">; 485def int_ptr_annotation : Intrinsic<[LLVMAnyPointerType<llvm_anyint_ty>], 486 [LLVMMatchType<0>, llvm_ptr_ty, llvm_ptr_ty, 487 llvm_i32_ty], 488 [], "llvm.ptr.annotation">; 489def int_annotation : Intrinsic<[llvm_anyint_ty], 490 [LLVMMatchType<0>, llvm_ptr_ty, 491 llvm_ptr_ty, llvm_i32_ty], 492 [], "llvm.annotation">; 493 494//===------------------------ Trampoline Intrinsics -----------------------===// 495// 496def int_init_trampoline : Intrinsic<[], 497 [llvm_ptr_ty, llvm_ptr_ty, llvm_ptr_ty], 498 [IntrReadWriteArgMem, NoCapture<0>]>, 499 GCCBuiltin<"__builtin_init_trampoline">; 500 501def int_adjust_trampoline : Intrinsic<[llvm_ptr_ty], [llvm_ptr_ty], 502 [IntrReadArgMem]>, 503 GCCBuiltin<"__builtin_adjust_trampoline">; 504 505//===------------------------ Overflow Intrinsics -------------------------===// 506// 507 508// Expose the carry flag from add operations on two integrals. 509def int_sadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty], 510 [LLVMMatchType<0>, LLVMMatchType<0>], 511 [IntrNoMem]>; 512def int_uadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty], 513 [LLVMMatchType<0>, LLVMMatchType<0>], 514 [IntrNoMem]>; 515 516def int_ssub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty], 517 [LLVMMatchType<0>, LLVMMatchType<0>], 518 [IntrNoMem]>; 519def int_usub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty], 520 [LLVMMatchType<0>, LLVMMatchType<0>], 521 [IntrNoMem]>; 522 523def int_smul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty], 524 [LLVMMatchType<0>, LLVMMatchType<0>], 525 [IntrNoMem]>; 526def int_umul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty], 527 [LLVMMatchType<0>, LLVMMatchType<0>], 528 [IntrNoMem]>; 529 530//===------------------------- Memory Use Markers -------------------------===// 531// 532def int_lifetime_start : Intrinsic<[], 533 [llvm_i64_ty, llvm_ptr_ty], 534 [IntrReadWriteArgMem, NoCapture<1>]>; 535def int_lifetime_end : Intrinsic<[], 536 [llvm_i64_ty, llvm_ptr_ty], 537 [IntrReadWriteArgMem, NoCapture<1>]>; 538def int_invariant_start : Intrinsic<[llvm_descriptor_ty], 539 [llvm_i64_ty, llvm_ptr_ty], 540 [IntrReadWriteArgMem, NoCapture<1>]>; 541def int_invariant_end : Intrinsic<[], 542 [llvm_descriptor_ty, llvm_i64_ty, 543 llvm_ptr_ty], 544 [IntrReadWriteArgMem, NoCapture<2>]>; 545 546def int_invariant_group_barrier : Intrinsic<[llvm_ptr_ty], 547 [llvm_ptr_ty], 548 [IntrNoMem]>; 549 550//===------------------------ Stackmap Intrinsics -------------------------===// 551// 552def int_experimental_stackmap : Intrinsic<[], 553 [llvm_i64_ty, llvm_i32_ty, llvm_vararg_ty], 554 [Throws]>; 555def int_experimental_patchpoint_void : Intrinsic<[], 556 [llvm_i64_ty, llvm_i32_ty, 557 llvm_ptr_ty, llvm_i32_ty, 558 llvm_vararg_ty], 559 [Throws]>; 560def int_experimental_patchpoint_i64 : Intrinsic<[llvm_i64_ty], 561 [llvm_i64_ty, llvm_i32_ty, 562 llvm_ptr_ty, llvm_i32_ty, 563 llvm_vararg_ty], 564 [Throws]>; 565 566 567//===------------------------ Garbage Collection Intrinsics ---------------===// 568// These are documented in docs/Statepoint.rst 569 570def int_experimental_gc_statepoint : Intrinsic<[llvm_i32_ty], 571 [llvm_i64_ty, llvm_i32_ty, 572 llvm_anyptr_ty, llvm_i32_ty, 573 llvm_i32_ty, llvm_vararg_ty], 574 [Throws]>; 575 576def int_experimental_gc_result : Intrinsic<[llvm_any_ty], [llvm_i32_ty], 577 [IntrReadMem]>; 578def int_experimental_gc_relocate : Intrinsic<[llvm_anyptr_ty], 579 [llvm_i32_ty, llvm_i32_ty, llvm_i32_ty], 580 [IntrReadMem]>; 581 582// Deprecated: will be removed in a couple of weeks 583def int_experimental_gc_result_int : Intrinsic<[llvm_anyint_ty], [llvm_i32_ty]>; 584def int_experimental_gc_result_float : Intrinsic<[llvm_anyfloat_ty], 585 [llvm_i32_ty]>; 586def int_experimental_gc_result_ptr : Intrinsic<[llvm_anyptr_ty], [llvm_i32_ty]>; 587 588//===-------------------------- Other Intrinsics --------------------------===// 589// 590def int_flt_rounds : Intrinsic<[llvm_i32_ty]>, 591 GCCBuiltin<"__builtin_flt_rounds">; 592def int_trap : Intrinsic<[], [], [IntrNoReturn]>, 593 GCCBuiltin<"__builtin_trap">; 594def int_debugtrap : Intrinsic<[]>, 595 GCCBuiltin<"__builtin_debugtrap">; 596 597// NOP: calls/invokes to this intrinsic are removed by codegen 598def int_donothing : Intrinsic<[], [], [IntrNoMem]>; 599 600// Intrisics to support half precision floating point format 601let Properties = [IntrNoMem] in { 602def int_convert_to_fp16 : Intrinsic<[llvm_i16_ty], [llvm_anyfloat_ty]>; 603def int_convert_from_fp16 : Intrinsic<[llvm_anyfloat_ty], [llvm_i16_ty]>; 604} 605 606// These convert intrinsics are to support various conversions between 607// various types with rounding and saturation. NOTE: avoid using these 608// intrinsics as they might be removed sometime in the future and 609// most targets don't support them. 610def int_convertff : Intrinsic<[llvm_anyfloat_ty], 611 [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>; 612def int_convertfsi : Intrinsic<[llvm_anyfloat_ty], 613 [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>; 614def int_convertfui : Intrinsic<[llvm_anyfloat_ty], 615 [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>; 616def int_convertsif : Intrinsic<[llvm_anyint_ty], 617 [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>; 618def int_convertuif : Intrinsic<[llvm_anyint_ty], 619 [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>; 620def int_convertss : Intrinsic<[llvm_anyint_ty], 621 [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>; 622def int_convertsu : Intrinsic<[llvm_anyint_ty], 623 [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>; 624def int_convertus : Intrinsic<[llvm_anyint_ty], 625 [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>; 626def int_convertuu : Intrinsic<[llvm_anyint_ty], 627 [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>; 628 629// Clear cache intrinsic, default to ignore (ie. emit nothing) 630// maps to void __clear_cache() on supporting platforms 631def int_clear_cache : Intrinsic<[], [llvm_ptr_ty, llvm_ptr_ty], 632 [], "llvm.clear_cache">; 633 634//===-------------------------- Masked Intrinsics -------------------------===// 635// 636def int_masked_store : Intrinsic<[], [llvm_anyvector_ty, LLVMPointerTo<0>, 637 llvm_i32_ty, 638 LLVMVectorSameWidth<0, llvm_i1_ty>], 639 [IntrReadWriteArgMem]>; 640 641def int_masked_load : Intrinsic<[llvm_anyvector_ty], 642 [LLVMPointerTo<0>, llvm_i32_ty, 643 LLVMVectorSameWidth<0, llvm_i1_ty>, LLVMMatchType<0>], 644 [IntrReadArgMem]>; 645 646def int_masked_gather: Intrinsic<[llvm_anyvector_ty], 647 [LLVMVectorOfPointersToElt<0>, llvm_i32_ty, 648 LLVMVectorSameWidth<0, llvm_i1_ty>, 649 LLVMMatchType<0>], 650 [IntrReadArgMem]>; 651 652def int_masked_scatter: Intrinsic<[], 653 [llvm_anyvector_ty, 654 LLVMVectorOfPointersToElt<0>, llvm_i32_ty, 655 LLVMVectorSameWidth<0, llvm_i1_ty>], 656 [IntrReadWriteArgMem]>; 657 658// Intrinsics to support bit sets. 659def int_bitset_test : Intrinsic<[llvm_i1_ty], [llvm_ptr_ty, llvm_metadata_ty], 660 [IntrNoMem]>; 661 662//===----------------------------------------------------------------------===// 663// Target-specific intrinsics 664//===----------------------------------------------------------------------===// 665 666include "llvm/IR/IntrinsicsPowerPC.td" 667include "llvm/IR/IntrinsicsX86.td" 668include "llvm/IR/IntrinsicsARM.td" 669include "llvm/IR/IntrinsicsAArch64.td" 670include "llvm/IR/IntrinsicsXCore.td" 671include "llvm/IR/IntrinsicsHexagon.td" 672include "llvm/IR/IntrinsicsNVVM.td" 673include "llvm/IR/IntrinsicsMips.td" 674include "llvm/IR/IntrinsicsAMDGPU.td" 675include "llvm/IR/IntrinsicsBPF.td" 676include "llvm/IR/IntrinsicsSystemZ.td" 677include "llvm/IR/IntrinsicsWebAssembly.td" 678