fix clang selfhost issue (shadowing)
[oota-llvm.git] / include / llvm / 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 exactly 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 (IntrWriteMem).
26
27 // IntrNoMem - The intrinsic does not access memory or have any other side
28 // effects.  It may be CSE'd deleted if dead, etc.
29 def IntrNoMem : IntrinsicProperty;
30
31 // IntrReadArgMem - This intrinsic reads only from memory that one of its
32 // arguments points to, but may read an unspecified amount.
33 def IntrReadArgMem : IntrinsicProperty;
34
35 // IntrReadMem - This intrinsic reads from unspecified memory, so it cannot be
36 // moved across stores.  However, it can be reordered otherwise and can be
37 // deleted if dead.
38 def IntrReadMem : IntrinsicProperty;
39
40 // IntrWriteArgMem - This intrinsic reads and writes only from memory that one
41 // of its arguments points to, but may access an unspecified amount.  The reads
42 // and writes may be volatile, but except for this it has no other side effects.
43 def IntrWriteArgMem : IntrinsicProperty;
44
45 // IntrWriteMem - This intrinsic may read or modify unspecified memory or has
46 // other side effects.  It cannot be modified by the optimizer.  This is the
47 // default if the intrinsic has no other Intr*Mem property.
48 def IntrWriteMem : IntrinsicProperty;
49
50 // Commutative - This intrinsic is commutative: X op Y == Y op X.
51 def Commutative : 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 //===----------------------------------------------------------------------===//
59 // Types used by intrinsics.
60 //===----------------------------------------------------------------------===//
61
62 class LLVMType<ValueType vt> {
63   ValueType VT = vt;
64 }
65
66 class LLVMPointerType<LLVMType elty>
67   : LLVMType<iPTR>{
68   LLVMType ElTy = elty;
69 }
70
71 class LLVMAnyPointerType<LLVMType elty>
72   : LLVMType<iPTRAny>{
73   LLVMType ElTy = elty;
74 }
75
76 // Match the type of another intrinsic parameter.  Number is an index into the
77 // list of overloaded types for the intrinsic, excluding all the fixed types.
78 // The Number value must refer to a previously listed type.  For example:
79 //   Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_anyfloat_ty, LLVMMatchType<0>]>
80 // has two overloaded types, the 2nd and 3rd arguments.  LLVMMatchType<0>
81 // refers to the first overloaded type, which is the 2nd argument.
82 class LLVMMatchType<int num>
83   : LLVMType<OtherVT>{
84   int Number = num;
85 }
86
87 // Match the type of another intrinsic parameter that is expected to be
88 // an integral vector type, but change the element size to be twice as wide
89 // or half as wide as the other type.  This is only useful when the intrinsic
90 // is overloaded, so the matched type should be declared as iAny.
91 class LLVMExtendedElementVectorType<int num> : LLVMMatchType<num>;
92 class LLVMTruncatedElementVectorType<int num> : LLVMMatchType<num>;
93
94 def llvm_void_ty       : LLVMType<isVoid>;
95 def llvm_anyint_ty     : LLVMType<iAny>;
96 def llvm_anyfloat_ty   : LLVMType<fAny>;
97 def llvm_anyvector_ty  : LLVMType<vAny>;
98 def llvm_i1_ty         : LLVMType<i1>;
99 def llvm_i8_ty         : LLVMType<i8>;
100 def llvm_i16_ty        : LLVMType<i16>;
101 def llvm_i32_ty        : LLVMType<i32>;
102 def llvm_i64_ty        : LLVMType<i64>;
103 def llvm_float_ty      : LLVMType<f32>;
104 def llvm_double_ty     : LLVMType<f64>;
105 def llvm_f80_ty        : LLVMType<f80>;
106 def llvm_f128_ty       : LLVMType<f128>;
107 def llvm_ppcf128_ty    : LLVMType<ppcf128>;
108 def llvm_ptr_ty        : LLVMPointerType<llvm_i8_ty>;             // i8*
109 def llvm_ptrptr_ty     : LLVMPointerType<llvm_ptr_ty>;            // i8**
110 def llvm_anyptr_ty     : LLVMAnyPointerType<llvm_i8_ty>;          // (space)i8*
111 def llvm_empty_ty      : LLVMType<OtherVT>;                       // { }
112 def llvm_descriptor_ty : LLVMPointerType<llvm_empty_ty>;          // { }*
113 def llvm_metadata_ty   : LLVMType<MetadataVT>;                    // !{...}
114
115 def llvm_v2i8_ty       : LLVMType<v2i8>;     //  2 x i8
116 def llvm_v4i8_ty       : LLVMType<v4i8>;     //  4 x i8
117 def llvm_v8i8_ty       : LLVMType<v8i8>;     //  8 x i8
118 def llvm_v16i8_ty      : LLVMType<v16i8>;    // 16 x i8
119 def llvm_v32i8_ty      : LLVMType<v32i8>;    // 32 x i8
120 def llvm_v2i16_ty      : LLVMType<v2i16>;    //  4 x i16
121 def llvm_v4i16_ty      : LLVMType<v4i16>;    //  4 x i16
122 def llvm_v8i16_ty      : LLVMType<v8i16>;    //  8 x i16
123 def llvm_v16i16_ty     : LLVMType<v16i16>;   // 16 x i16
124 def llvm_v2i32_ty      : LLVMType<v2i32>;    //  2 x i32
125 def llvm_v4i32_ty      : LLVMType<v4i32>;    //  4 x i32
126 def llvm_v8i32_ty      : LLVMType<v8i32>;    //  8 x i32
127 def llvm_v1i64_ty      : LLVMType<v1i64>;    //  1 x i64
128 def llvm_v2i64_ty      : LLVMType<v2i64>;    //  2 x i64
129 def llvm_v4i64_ty      : LLVMType<v4i64>;    //  4 x i64
130
131 def llvm_v2f32_ty      : LLVMType<v2f32>;    //  2 x float
132 def llvm_v4f32_ty      : LLVMType<v4f32>;    //  4 x float
133 def llvm_v8f32_ty      : LLVMType<v8f32>;    //  8 x float
134 def llvm_v2f64_ty      : LLVMType<v2f64>;    //  2 x double
135 def llvm_v4f64_ty      : LLVMType<v4f64>;    //  4 x double
136
137 def llvm_vararg_ty     : LLVMType<isVoid>;   // this means vararg here
138
139
140 //===----------------------------------------------------------------------===//
141 // Intrinsic Definitions.
142 //===----------------------------------------------------------------------===//
143
144 // Intrinsic class - This is used to define one LLVM intrinsic.  The name of the
145 // intrinsic definition should start with "int_", then match the LLVM intrinsic
146 // name with the "llvm." prefix removed, and all "."s turned into "_"s.  For
147 // example, llvm.bswap.i16 -> int_bswap_i16.
148 //
149 //  * RetTypes is a list containing the return types expected for the
150 //    intrinsic.
151 //  * ParamTypes is a list containing the parameter types expected for the
152 //    intrinsic.
153 //  * Properties can be set to describe the behavior of the intrinsic.
154 //
155 class Intrinsic<list<LLVMType> ret_types,
156                 list<LLVMType> param_types = [],
157                 list<IntrinsicProperty> properties = [],
158                 string name = ""> {
159   string LLVMName = name;
160   string TargetPrefix = "";   // Set to a prefix for target-specific intrinsics.
161   list<LLVMType> RetTypes = ret_types;
162   list<LLVMType> ParamTypes = param_types;
163   list<IntrinsicProperty> Properties = properties;
164
165   bit isTarget = 0;
166 }
167
168 /// GCCBuiltin - If this intrinsic exactly corresponds to a GCC builtin, this
169 /// specifies the name of the builtin.  This provides automatic CBE and CFE
170 /// support.
171 class GCCBuiltin<string name> {
172   string GCCBuiltinName = name;
173 }
174
175
176 //===--------------- Variable Argument Handling Intrinsics ----------------===//
177 //
178
179 def int_vastart : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_start">;
180 def int_vacopy  : Intrinsic<[], [llvm_ptr_ty, llvm_ptr_ty], [],
181                             "llvm.va_copy">;
182 def int_vaend   : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_end">;
183
184 //===------------------- Garbage Collection Intrinsics --------------------===//
185 //
186 def int_gcroot  : Intrinsic<[],
187                             [llvm_ptrptr_ty, llvm_ptr_ty]>;
188 def int_gcread  : Intrinsic<[llvm_ptr_ty],
189                             [llvm_ptr_ty, llvm_ptrptr_ty],
190                             [IntrReadArgMem]>;
191 def int_gcwrite : Intrinsic<[],
192                             [llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty],
193                             [IntrWriteArgMem, NoCapture<1>, NoCapture<2>]>;
194
195 //===--------------------- Code Generator Intrinsics ----------------------===//
196 //
197 def int_returnaddress : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>;
198 def int_frameaddress  : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>;
199
200 // Note: we treat stacksave/stackrestore as writemem because we don't otherwise
201 // model their dependencies on allocas.
202 def int_stacksave     : Intrinsic<[llvm_ptr_ty]>,
203                         GCCBuiltin<"__builtin_stack_save">;
204 def int_stackrestore  : Intrinsic<[], [llvm_ptr_ty]>,
205                         GCCBuiltin<"__builtin_stack_restore">;
206
207 // IntrWriteArgMem is more pessimistic than strictly necessary for prefetch,
208 // however it does conveniently prevent the prefetch from being reordered
209 // with respect to nearby accesses to the same memory.
210 def int_prefetch      : Intrinsic<[],
211                                   [llvm_ptr_ty, llvm_i32_ty, llvm_i32_ty],
212                                   [IntrWriteArgMem, NoCapture<0>]>;
213 def int_pcmarker      : Intrinsic<[], [llvm_i32_ty]>;
214
215 def int_readcyclecounter : Intrinsic<[llvm_i64_ty]>;
216
217 // Stack Protector Intrinsic - The stackprotector intrinsic writes the stack
218 // guard to the correct place on the stack frame.
219 def int_stackprotector : Intrinsic<[],
220                                    [llvm_ptr_ty, llvm_ptrptr_ty],
221                                    [IntrWriteMem]>;
222
223 //===------------------- Standard C Library Intrinsics --------------------===//
224 //
225
226 def int_memcpy  : Intrinsic<[],
227                              [llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty,
228                               llvm_i32_ty, llvm_i1_ty],
229                             [IntrWriteArgMem, NoCapture<0>, NoCapture<1>]>;
230 def int_memmove : Intrinsic<[],
231                             [llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty,
232                              llvm_i32_ty, llvm_i1_ty],
233                             [IntrWriteArgMem, NoCapture<0>, NoCapture<1>]>;
234 def int_memset  : Intrinsic<[],
235                             [llvm_anyptr_ty, llvm_i8_ty, llvm_anyint_ty,
236                              llvm_i32_ty, llvm_i1_ty],
237                             [IntrWriteArgMem, NoCapture<0>]>;
238
239 // These functions do not actually read memory, but they are sensitive to the
240 // rounding mode.  This needs to be modelled separately; in the meantime
241 // declaring them as reading memory is conservatively correct.
242 let Properties = [IntrReadMem] in {
243   def int_sqrt : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
244   def int_powi : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, llvm_i32_ty]>;
245   def int_sin  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
246   def int_cos  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
247   def int_pow  : Intrinsic<[llvm_anyfloat_ty],
248                            [LLVMMatchType<0>, LLVMMatchType<0>]>;
249   def int_log  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
250   def int_log10: Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
251   def int_log2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
252   def int_exp  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
253   def int_exp2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
254 }
255
256 // NOTE: these are internal interfaces.
257 def int_setjmp     : Intrinsic<[llvm_i32_ty],  [llvm_ptr_ty]>;
258 def int_longjmp    : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty]>;
259 def int_sigsetjmp  : Intrinsic<[llvm_i32_ty] , [llvm_ptr_ty, llvm_i32_ty]>;
260 def int_siglongjmp : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty]>;
261
262 // Internal interface for object size checking
263 def int_objectsize : Intrinsic<[llvm_anyint_ty], [llvm_ptr_ty, llvm_i1_ty],
264                                [IntrReadArgMem]>,
265                                GCCBuiltin<"__builtin_object_size">;
266
267 //===-------------------- Bit Manipulation Intrinsics ---------------------===//
268 //
269
270 // None of these intrinsics accesses memory at all.
271 let Properties = [IntrNoMem] in {
272   def int_bswap: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
273   def int_ctpop: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
274   def int_ctlz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
275   def int_cttz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
276 }
277
278 //===------------------------ Debugger Intrinsics -------------------------===//
279 //
280
281 // None of these intrinsics accesses memory at all...but that doesn't mean the
282 // optimizers can change them aggressively.  Special handling needed in a few
283 // places.
284 let Properties = [IntrNoMem] in {
285   def int_dbg_declare      : Intrinsic<[],
286                                        [llvm_metadata_ty, llvm_metadata_ty]>;
287   def int_dbg_value        : Intrinsic<[],
288                                        [llvm_metadata_ty, llvm_i64_ty,
289                                         llvm_metadata_ty]>;
290 }
291
292 //===------------------ Exception Handling Intrinsics----------------------===//
293 //
294 def int_eh_exception : Intrinsic<[llvm_ptr_ty], [], [IntrReadMem]>;
295 def int_eh_selector  : Intrinsic<[llvm_i32_ty],
296                                  [llvm_ptr_ty, llvm_ptr_ty, llvm_vararg_ty]>;
297
298 def int_eh_typeid_for : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>;
299
300 def int_eh_return_i32 : Intrinsic<[], [llvm_i32_ty, llvm_ptr_ty]>;
301 def int_eh_return_i64 : Intrinsic<[], [llvm_i64_ty, llvm_ptr_ty]>;
302
303 def int_eh_unwind_init: Intrinsic<[]>,
304                         GCCBuiltin<"__builtin_unwind_init">;
305
306 def int_eh_dwarf_cfa  : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty]>;
307
308 let Properties = [IntrNoMem] in {
309   def int_eh_sjlj_lsda    : Intrinsic<[llvm_ptr_ty]>;
310   def int_eh_sjlj_callsite: Intrinsic<[], [llvm_i32_ty]>;
311 }
312 def int_eh_sjlj_setjmp  : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>;
313 def int_eh_sjlj_longjmp : Intrinsic<[], [llvm_ptr_ty]>;
314
315 //===---------------- Generic Variable Attribute Intrinsics----------------===//
316 //
317 def int_var_annotation : Intrinsic<[],
318                                    [llvm_ptr_ty, llvm_ptr_ty,
319                                     llvm_ptr_ty, llvm_i32_ty],
320                                    [], "llvm.var.annotation">;
321 def int_ptr_annotation : Intrinsic<[LLVMAnyPointerType<llvm_anyint_ty>],
322                                    [LLVMMatchType<0>, llvm_ptr_ty, llvm_ptr_ty,
323                                     llvm_i32_ty],
324                                    [], "llvm.ptr.annotation">;
325 def int_annotation : Intrinsic<[llvm_anyint_ty],
326                                [LLVMMatchType<0>, llvm_ptr_ty,
327                                 llvm_ptr_ty, llvm_i32_ty],
328                                [], "llvm.annotation">;
329
330 //===------------------------ Trampoline Intrinsics -----------------------===//
331 //
332 def int_init_trampoline : Intrinsic<[llvm_ptr_ty],
333                                     [llvm_ptr_ty, llvm_ptr_ty, llvm_ptr_ty],
334                                     [IntrWriteArgMem]>,
335                           GCCBuiltin<"__builtin_init_trampoline">;
336
337 //===------------------------ Overflow Intrinsics -------------------------===//
338 //
339
340 // Expose the carry flag from add operations on two integrals.
341 def int_sadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
342                                        [LLVMMatchType<0>, LLVMMatchType<0>],
343                                        [IntrNoMem]>;
344 def int_uadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
345                                        [LLVMMatchType<0>, LLVMMatchType<0>],
346                                        [IntrNoMem]>;
347
348 def int_ssub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
349                                        [LLVMMatchType<0>, LLVMMatchType<0>],
350                                        [IntrNoMem]>;
351 def int_usub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
352                                        [LLVMMatchType<0>, LLVMMatchType<0>],
353                                        [IntrNoMem]>;
354
355 def int_smul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
356                                        [LLVMMatchType<0>, LLVMMatchType<0>],
357                                        [IntrNoMem]>;
358 def int_umul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
359                                        [LLVMMatchType<0>, LLVMMatchType<0>],
360                                        [IntrNoMem]>;
361
362 //===------------------------- Atomic Intrinsics --------------------------===//
363 //
364 def int_memory_barrier : Intrinsic<[],
365                                    [llvm_i1_ty, llvm_i1_ty,
366                                     llvm_i1_ty, llvm_i1_ty, llvm_i1_ty], []>,
367                                     GCCBuiltin<"__builtin_llvm_memory_barrier">;
368
369 def int_atomic_cmp_swap : Intrinsic<[llvm_anyint_ty],
370                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
371                                      LLVMMatchType<0>, LLVMMatchType<0>],
372                                     [IntrWriteArgMem, NoCapture<0>]>,
373                            GCCBuiltin<"__sync_val_compare_and_swap">;
374 def int_atomic_load_add : Intrinsic<[llvm_anyint_ty],
375                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
376                                      LLVMMatchType<0>],
377                                     [IntrWriteArgMem, NoCapture<0>]>,
378                            GCCBuiltin<"__sync_fetch_and_add">;
379 def int_atomic_swap     : Intrinsic<[llvm_anyint_ty],
380                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
381                                      LLVMMatchType<0>],
382                                     [IntrWriteArgMem, NoCapture<0>]>,
383                            GCCBuiltin<"__sync_lock_test_and_set">;
384 def int_atomic_load_sub : Intrinsic<[llvm_anyint_ty],
385                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
386                                      LLVMMatchType<0>],
387                                     [IntrWriteArgMem, NoCapture<0>]>,
388                            GCCBuiltin<"__sync_fetch_and_sub">;
389 def int_atomic_load_and : Intrinsic<[llvm_anyint_ty],
390                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
391                                      LLVMMatchType<0>],
392                                     [IntrWriteArgMem, NoCapture<0>]>,
393                            GCCBuiltin<"__sync_fetch_and_and">;
394 def int_atomic_load_or   : Intrinsic<[llvm_anyint_ty],
395                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
396                                       LLVMMatchType<0>],
397                                      [IntrWriteArgMem, NoCapture<0>]>,
398                            GCCBuiltin<"__sync_fetch_and_or">;
399 def int_atomic_load_xor : Intrinsic<[llvm_anyint_ty],
400                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
401                                      LLVMMatchType<0>],
402                                     [IntrWriteArgMem, NoCapture<0>]>,
403                            GCCBuiltin<"__sync_fetch_and_xor">;
404 def int_atomic_load_nand : Intrinsic<[llvm_anyint_ty],
405                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
406                                       LLVMMatchType<0>],
407                                      [IntrWriteArgMem, NoCapture<0>]>,
408                            GCCBuiltin<"__sync_fetch_and_nand">;
409 def int_atomic_load_min  : Intrinsic<[llvm_anyint_ty],
410                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
411                                       LLVMMatchType<0>],
412                                      [IntrWriteArgMem, NoCapture<0>]>,
413                            GCCBuiltin<"__sync_fetch_and_min">;
414 def int_atomic_load_max  : Intrinsic<[llvm_anyint_ty],
415                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
416                                       LLVMMatchType<0>],
417                                      [IntrWriteArgMem, NoCapture<0>]>,
418                            GCCBuiltin<"__sync_fetch_and_max">;
419 def int_atomic_load_umin : Intrinsic<[llvm_anyint_ty],
420                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
421                                       LLVMMatchType<0>],
422                                      [IntrWriteArgMem, NoCapture<0>]>,
423                            GCCBuiltin<"__sync_fetch_and_umin">;
424 def int_atomic_load_umax : Intrinsic<[llvm_anyint_ty],
425                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
426                                       LLVMMatchType<0>],
427                                      [IntrWriteArgMem, NoCapture<0>]>,
428                            GCCBuiltin<"__sync_fetch_and_umax">;
429
430 //===------------------------- Memory Use Markers -------------------------===//
431 //
432 def int_lifetime_start  : Intrinsic<[],
433                                     [llvm_i64_ty, llvm_ptr_ty],
434                                     [IntrWriteArgMem, NoCapture<1>]>;
435 def int_lifetime_end    : Intrinsic<[],
436                                     [llvm_i64_ty, llvm_ptr_ty],
437                                     [IntrWriteArgMem, NoCapture<1>]>;
438 def int_invariant_start : Intrinsic<[llvm_descriptor_ty],
439                                     [llvm_i64_ty, llvm_ptr_ty],
440                                     [IntrReadArgMem, NoCapture<1>]>;
441 def int_invariant_end   : Intrinsic<[],
442                                     [llvm_descriptor_ty, llvm_i64_ty,
443                                      llvm_ptr_ty],
444                                     [IntrWriteArgMem, NoCapture<2>]>;
445
446 //===-------------------------- Other Intrinsics --------------------------===//
447 //
448 def int_flt_rounds : Intrinsic<[llvm_i32_ty]>,
449                      GCCBuiltin<"__builtin_flt_rounds">;
450 def int_trap : Intrinsic<[]>,
451                GCCBuiltin<"__builtin_trap">;
452
453 // Intrisics to support half precision floating point format
454 let Properties = [IntrNoMem] in {
455 def int_convert_to_fp16   : Intrinsic<[llvm_i16_ty], [llvm_float_ty]>,
456                             GCCBuiltin<"__gnu_f2h_ieee">;
457 def int_convert_from_fp16 : Intrinsic<[llvm_float_ty], [llvm_i16_ty]>,
458                             GCCBuiltin<"__gnu_h2f_ieee">;
459 }
460
461 // These convert intrinsics are to support various conversions between
462 // various types with rounding and saturation. NOTE: avoid using these
463 // intrinsics as they might be removed sometime in the future and
464 // most targets don't support them.
465 def int_convertff  : Intrinsic<[llvm_anyfloat_ty],
466                                [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>;
467 def int_convertfsi : Intrinsic<[llvm_anyfloat_ty],
468                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
469 def int_convertfui : Intrinsic<[llvm_anyfloat_ty],
470                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
471 def int_convertsif : Intrinsic<[llvm_anyint_ty],
472                                [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>;
473 def int_convertuif : Intrinsic<[llvm_anyint_ty],
474                                [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>;
475 def int_convertss  : Intrinsic<[llvm_anyint_ty],
476                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
477 def int_convertsu  : Intrinsic<[llvm_anyint_ty],
478                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
479 def int_convertus  : Intrinsic<[llvm_anyint_ty],
480                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
481 def int_convertuu  : Intrinsic<[llvm_anyint_ty],
482                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
483
484 //===----------------------------------------------------------------------===//
485 // Target-specific intrinsics
486 //===----------------------------------------------------------------------===//
487
488 include "llvm/IntrinsicsPowerPC.td"
489 include "llvm/IntrinsicsX86.td"
490 include "llvm/IntrinsicsARM.td"
491 include "llvm/IntrinsicsCellSPU.td"
492 include "llvm/IntrinsicsAlpha.td"
493 include "llvm/IntrinsicsXCore.td"