Intrinsics.td 30 KB

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