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