No need to recompute the SrcReg and CmpValue.
[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 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 // 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 // NoCapture - The specified argument pointer is not captured by the intrinsic.
51 class NoCapture<int argNo> : IntrinsicProperty {
52   int ArgNo = argNo;
53 }
54
55 //===----------------------------------------------------------------------===//
56 // Types used by intrinsics.
57 //===----------------------------------------------------------------------===//
58
59 class LLVMType<ValueType vt> {
60   ValueType VT = vt;
61 }
62
63 class LLVMPointerType<LLVMType elty>
64   : LLVMType<iPTR>{
65   LLVMType ElTy = elty;
66 }
67
68 class LLVMAnyPointerType<LLVMType elty>
69   : LLVMType<iPTRAny>{
70   LLVMType ElTy = elty;
71 }
72
73 // Match the type of another intrinsic parameter.  Number is an index into the
74 // list of overloaded types for the intrinsic, excluding all the fixed types.
75 // The Number value must refer to a previously listed type.  For example:
76 //   Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_anyfloat_ty, LLVMMatchType<0>]>
77 // has two overloaded types, the 2nd and 3rd arguments.  LLVMMatchType<0>
78 // refers to the first overloaded type, which is the 2nd argument.
79 class LLVMMatchType<int num>
80   : LLVMType<OtherVT>{
81   int Number = num;
82 }
83
84 // Match the type of another intrinsic parameter that is expected to be
85 // an integral vector type, but change the element size to be twice as wide
86 // or half as wide as the other type.  This is only useful when the intrinsic
87 // is overloaded, so the matched type should be declared as iAny.
88 class LLVMExtendedElementVectorType<int num> : LLVMMatchType<num>;
89 class LLVMTruncatedElementVectorType<int num> : LLVMMatchType<num>;
90
91 def llvm_void_ty       : LLVMType<isVoid>;
92 def llvm_anyint_ty     : LLVMType<iAny>;
93 def llvm_anyfloat_ty   : LLVMType<fAny>;
94 def llvm_anyvector_ty  : LLVMType<vAny>;
95 def llvm_i1_ty         : LLVMType<i1>;
96 def llvm_i8_ty         : LLVMType<i8>;
97 def llvm_i16_ty        : LLVMType<i16>;
98 def llvm_i32_ty        : LLVMType<i32>;
99 def llvm_i64_ty        : LLVMType<i64>;
100 def llvm_float_ty      : LLVMType<f32>;
101 def llvm_double_ty     : LLVMType<f64>;
102 def llvm_f80_ty        : LLVMType<f80>;
103 def llvm_f128_ty       : LLVMType<f128>;
104 def llvm_ppcf128_ty    : LLVMType<ppcf128>;
105 def llvm_ptr_ty        : LLVMPointerType<llvm_i8_ty>;             // i8*
106 def llvm_ptrptr_ty     : LLVMPointerType<llvm_ptr_ty>;            // i8**
107 def llvm_anyptr_ty     : LLVMAnyPointerType<llvm_i8_ty>;          // (space)i8*
108 def llvm_empty_ty      : LLVMType<OtherVT>;                       // { }
109 def llvm_descriptor_ty : LLVMPointerType<llvm_empty_ty>;          // { }*
110 def llvm_metadata_ty   : LLVMType<MetadataVT>;                    // !{...}
111
112 def llvm_x86mmx_ty     : LLVMType<x86mmx>;
113
114 def llvm_v2i8_ty       : LLVMType<v2i8>;     //  2 x i8
115 def llvm_v4i8_ty       : LLVMType<v4i8>;     //  4 x i8
116 def llvm_v8i8_ty       : LLVMType<v8i8>;     //  8 x i8
117 def llvm_v16i8_ty      : LLVMType<v16i8>;    // 16 x i8
118 def llvm_v32i8_ty      : LLVMType<v32i8>;    // 32 x i8
119 def llvm_v2i16_ty      : LLVMType<v2i16>;    //  2 x i16
120 def llvm_v4i16_ty      : LLVMType<v4i16>;    //  4 x i16
121 def llvm_v8i16_ty      : LLVMType<v8i16>;    //  8 x i16
122 def llvm_v16i16_ty     : LLVMType<v16i16>;   // 16 x i16
123 def llvm_v2i32_ty      : LLVMType<v2i32>;    //  2 x i32
124 def llvm_v4i32_ty      : LLVMType<v4i32>;    //  4 x i32
125 def llvm_v8i32_ty      : LLVMType<v8i32>;    //  8 x i32
126 def llvm_v1i64_ty      : LLVMType<v1i64>;    //  1 x i64
127 def llvm_v2i64_ty      : LLVMType<v2i64>;    //  2 x i64
128 def llvm_v4i64_ty      : LLVMType<v4i64>;    //  4 x i64
129
130 def llvm_v2f32_ty      : LLVMType<v2f32>;    //  2 x float
131 def llvm_v4f32_ty      : LLVMType<v4f32>;    //  4 x float
132 def llvm_v8f32_ty      : LLVMType<v8f32>;    //  8 x float
133 def llvm_v2f64_ty      : LLVMType<v2f64>;    //  2 x double
134 def llvm_v4f64_ty      : LLVMType<v4f64>;    //  4 x double
135
136 def llvm_vararg_ty     : LLVMType<isVoid>;   // this means vararg here
137
138
139 //===----------------------------------------------------------------------===//
140 // Intrinsic Definitions.
141 //===----------------------------------------------------------------------===//
142
143 // Intrinsic class - This is used to define one LLVM intrinsic.  The name of the
144 // intrinsic definition should start with "int_", then match the LLVM intrinsic
145 // name with the "llvm." prefix removed, and all "."s turned into "_"s.  For
146 // example, llvm.bswap.i16 -> int_bswap_i16.
147 //
148 //  * RetTypes is a list containing the return types expected for the
149 //    intrinsic.
150 //  * ParamTypes is a list containing the parameter types expected for the
151 //    intrinsic.
152 //  * Properties can be set to describe the behavior of the intrinsic.
153 //
154 class Intrinsic<list<LLVMType> ret_types,
155                 list<LLVMType> param_types = [],
156                 list<IntrinsicProperty> properties = [],
157                 string name = ""> {
158   string LLVMName = name;
159   string TargetPrefix = "";   // Set to a prefix for target-specific intrinsics.
160   list<LLVMType> RetTypes = ret_types;
161   list<LLVMType> ParamTypes = param_types;
162   list<IntrinsicProperty> Properties = properties;
163
164   bit isTarget = 0;
165 }
166
167 /// GCCBuiltin - If this intrinsic exactly corresponds to a GCC builtin, this
168 /// specifies the name of the builtin.  This provides automatic CBE and CFE
169 /// support.
170 class GCCBuiltin<string name> {
171   string GCCBuiltinName = name;
172 }
173
174
175 //===--------------- Variable Argument Handling Intrinsics ----------------===//
176 //
177
178 def int_vastart : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_start">;
179 def int_vacopy  : Intrinsic<[], [llvm_ptr_ty, llvm_ptr_ty], [],
180                             "llvm.va_copy">;
181 def int_vaend   : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_end">;
182
183 //===------------------- Garbage Collection Intrinsics --------------------===//
184 //
185 def int_gcroot  : Intrinsic<[],
186                             [llvm_ptrptr_ty, llvm_ptr_ty]>;
187 def int_gcread  : Intrinsic<[llvm_ptr_ty],
188                             [llvm_ptr_ty, llvm_ptrptr_ty],
189                             [IntrReadArgMem]>;
190 def int_gcwrite : Intrinsic<[],
191                             [llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty],
192                             [IntrReadWriteArgMem, NoCapture<1>, NoCapture<2>]>;
193
194 //===--------------------- Code Generator Intrinsics ----------------------===//
195 //
196 def int_returnaddress : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>;
197 def int_frameaddress  : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>;
198
199 // Note: we treat stacksave/stackrestore as writemem because we don't otherwise
200 // model their dependencies on allocas.
201 def int_stacksave     : Intrinsic<[llvm_ptr_ty]>,
202                         GCCBuiltin<"__builtin_stack_save">;
203 def int_stackrestore  : Intrinsic<[], [llvm_ptr_ty]>,
204                         GCCBuiltin<"__builtin_stack_restore">;
205
206 // IntrReadWriteArgMem is more pessimistic than strictly necessary for prefetch,
207 // however it does conveniently prevent the prefetch from being reordered
208 // with respect to nearby accesses to the same memory.
209 def int_prefetch      : Intrinsic<[],
210                                   [llvm_ptr_ty, llvm_i32_ty, llvm_i32_ty],
211                                   [IntrReadWriteArgMem, NoCapture<0>]>;
212 def int_pcmarker      : Intrinsic<[], [llvm_i32_ty]>;
213
214 def int_readcyclecounter : Intrinsic<[llvm_i64_ty]>;
215
216 // Stack Protector Intrinsic - The stackprotector intrinsic writes the stack
217 // guard to the correct place on the stack frame.
218 def int_stackprotector : Intrinsic<[], [llvm_ptr_ty, llvm_ptrptr_ty], []>;
219
220 //===------------------- Standard C Library Intrinsics --------------------===//
221 //
222
223 def int_memcpy  : Intrinsic<[],
224                              [llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty,
225                               llvm_i32_ty, llvm_i1_ty],
226                             [IntrReadWriteArgMem, NoCapture<0>, NoCapture<1>]>;
227 def int_memmove : Intrinsic<[],
228                             [llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty,
229                              llvm_i32_ty, llvm_i1_ty],
230                             [IntrReadWriteArgMem, NoCapture<0>, NoCapture<1>]>;
231 def int_memset  : Intrinsic<[],
232                             [llvm_anyptr_ty, llvm_i8_ty, llvm_anyint_ty,
233                              llvm_i32_ty, llvm_i1_ty],
234                             [IntrReadWriteArgMem, NoCapture<0>]>;
235
236 // These functions do not actually read memory, but they are sensitive to the
237 // rounding mode.  This needs to be modelled separately; in the meantime
238 // declaring them as reading memory is conservatively correct.
239 let Properties = [IntrReadMem] in {
240   def int_sqrt : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
241   def int_powi : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, llvm_i32_ty]>;
242   def int_sin  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
243   def int_cos  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
244   def int_pow  : Intrinsic<[llvm_anyfloat_ty],
245                            [LLVMMatchType<0>, LLVMMatchType<0>]>;
246   def int_log  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
247   def int_log10: Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
248   def int_log2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
249   def int_exp  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
250   def int_exp2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
251 }
252
253 // NOTE: these are internal interfaces.
254 def int_setjmp     : Intrinsic<[llvm_i32_ty],  [llvm_ptr_ty]>;
255 def int_longjmp    : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty]>;
256 def int_sigsetjmp  : Intrinsic<[llvm_i32_ty] , [llvm_ptr_ty, llvm_i32_ty]>;
257 def int_siglongjmp : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty]>;
258
259 // Internal interface for object size checking
260 def int_objectsize : Intrinsic<[llvm_anyint_ty], [llvm_ptr_ty, llvm_i1_ty],
261                                [IntrReadArgMem]>,
262                                GCCBuiltin<"__builtin_object_size">;
263
264 //===-------------------- Bit Manipulation Intrinsics ---------------------===//
265 //
266
267 // None of these intrinsics accesses memory at all.
268 let Properties = [IntrNoMem] in {
269   def int_bswap: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
270   def int_ctpop: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
271   def int_ctlz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
272   def int_cttz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
273 }
274
275 //===------------------------ Debugger Intrinsics -------------------------===//
276 //
277
278 // None of these intrinsics accesses memory at all...but that doesn't mean the
279 // optimizers can change them aggressively.  Special handling needed in a few
280 // places.
281 let Properties = [IntrNoMem] in {
282   def int_dbg_declare      : Intrinsic<[],
283                                        [llvm_metadata_ty, llvm_metadata_ty]>;
284   def int_dbg_value        : Intrinsic<[],
285                                        [llvm_metadata_ty, llvm_i64_ty,
286                                         llvm_metadata_ty]>;
287 }
288
289 //===------------------ Exception Handling Intrinsics----------------------===//
290 //
291 def int_eh_exception : Intrinsic<[llvm_ptr_ty], [], [IntrReadMem]>;
292 def int_eh_selector  : Intrinsic<[llvm_i32_ty],
293                                  [llvm_ptr_ty, llvm_ptr_ty, llvm_vararg_ty]>;
294
295 def int_eh_typeid_for : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>;
296
297 def int_eh_return_i32 : Intrinsic<[], [llvm_i32_ty, llvm_ptr_ty]>;
298 def int_eh_return_i64 : Intrinsic<[], [llvm_i64_ty, llvm_ptr_ty]>;
299
300 def int_eh_unwind_init: Intrinsic<[]>,
301                         GCCBuiltin<"__builtin_unwind_init">;
302
303 def int_eh_dwarf_cfa  : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty]>;
304
305 let Properties = [IntrNoMem] in {
306   def int_eh_sjlj_lsda    : Intrinsic<[llvm_ptr_ty]>;
307   def int_eh_sjlj_callsite: Intrinsic<[], [llvm_i32_ty]>;
308 }
309 def int_eh_sjlj_setjmp  : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>;
310 def int_eh_sjlj_longjmp : Intrinsic<[], [llvm_ptr_ty]>;
311
312 //===---------------- Generic Variable Attribute Intrinsics----------------===//
313 //
314 def int_var_annotation : Intrinsic<[],
315                                    [llvm_ptr_ty, llvm_ptr_ty,
316                                     llvm_ptr_ty, llvm_i32_ty],
317                                    [], "llvm.var.annotation">;
318 def int_ptr_annotation : Intrinsic<[LLVMAnyPointerType<llvm_anyint_ty>],
319                                    [LLVMMatchType<0>, llvm_ptr_ty, llvm_ptr_ty,
320                                     llvm_i32_ty],
321                                    [], "llvm.ptr.annotation">;
322 def int_annotation : Intrinsic<[llvm_anyint_ty],
323                                [LLVMMatchType<0>, llvm_ptr_ty,
324                                 llvm_ptr_ty, llvm_i32_ty],
325                                [], "llvm.annotation">;
326
327 //===------------------------ Trampoline Intrinsics -----------------------===//
328 //
329 def int_init_trampoline : Intrinsic<[llvm_ptr_ty],
330                                     [llvm_ptr_ty, llvm_ptr_ty, llvm_ptr_ty],
331                                     [IntrReadWriteArgMem]>,
332                           GCCBuiltin<"__builtin_init_trampoline">;
333
334 //===------------------------ Overflow Intrinsics -------------------------===//
335 //
336
337 // Expose the carry flag from add operations on two integrals.
338 def int_sadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
339                                        [LLVMMatchType<0>, LLVMMatchType<0>],
340                                        [IntrNoMem]>;
341 def int_uadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
342                                        [LLVMMatchType<0>, LLVMMatchType<0>],
343                                        [IntrNoMem]>;
344
345 def int_ssub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
346                                        [LLVMMatchType<0>, LLVMMatchType<0>],
347                                        [IntrNoMem]>;
348 def int_usub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
349                                        [LLVMMatchType<0>, LLVMMatchType<0>],
350                                        [IntrNoMem]>;
351
352 def int_smul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
353                                        [LLVMMatchType<0>, LLVMMatchType<0>],
354                                        [IntrNoMem]>;
355 def int_umul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
356                                        [LLVMMatchType<0>, LLVMMatchType<0>],
357                                        [IntrNoMem]>;
358
359 //===------------------------- Atomic Intrinsics --------------------------===//
360 //
361 def int_memory_barrier : Intrinsic<[],
362                                    [llvm_i1_ty, llvm_i1_ty,
363                                     llvm_i1_ty, llvm_i1_ty, llvm_i1_ty], []>,
364                                     GCCBuiltin<"__builtin_llvm_memory_barrier">;
365
366 def int_atomic_cmp_swap : Intrinsic<[llvm_anyint_ty],
367                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
368                                      LLVMMatchType<0>, LLVMMatchType<0>],
369                                     [IntrReadWriteArgMem, NoCapture<0>]>,
370                            GCCBuiltin<"__sync_val_compare_and_swap">;
371 def int_atomic_load_add : Intrinsic<[llvm_anyint_ty],
372                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
373                                      LLVMMatchType<0>],
374                                     [IntrReadWriteArgMem, NoCapture<0>]>,
375                            GCCBuiltin<"__sync_fetch_and_add">;
376 def int_atomic_swap     : Intrinsic<[llvm_anyint_ty],
377                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
378                                      LLVMMatchType<0>],
379                                     [IntrReadWriteArgMem, NoCapture<0>]>,
380                            GCCBuiltin<"__sync_lock_test_and_set">;
381 def int_atomic_load_sub : Intrinsic<[llvm_anyint_ty],
382                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
383                                      LLVMMatchType<0>],
384                                     [IntrReadWriteArgMem, NoCapture<0>]>,
385                            GCCBuiltin<"__sync_fetch_and_sub">;
386 def int_atomic_load_and : Intrinsic<[llvm_anyint_ty],
387                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
388                                      LLVMMatchType<0>],
389                                     [IntrReadWriteArgMem, NoCapture<0>]>,
390                            GCCBuiltin<"__sync_fetch_and_and">;
391 def int_atomic_load_or   : Intrinsic<[llvm_anyint_ty],
392                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
393                                       LLVMMatchType<0>],
394                                      [IntrReadWriteArgMem, NoCapture<0>]>,
395                            GCCBuiltin<"__sync_fetch_and_or">;
396 def int_atomic_load_xor : Intrinsic<[llvm_anyint_ty],
397                                     [LLVMAnyPointerType<LLVMMatchType<0>>,
398                                      LLVMMatchType<0>],
399                                     [IntrReadWriteArgMem, NoCapture<0>]>,
400                            GCCBuiltin<"__sync_fetch_and_xor">;
401 def int_atomic_load_nand : Intrinsic<[llvm_anyint_ty],
402                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
403                                       LLVMMatchType<0>],
404                                      [IntrReadWriteArgMem, NoCapture<0>]>,
405                            GCCBuiltin<"__sync_fetch_and_nand">;
406 def int_atomic_load_min  : Intrinsic<[llvm_anyint_ty],
407                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
408                                       LLVMMatchType<0>],
409                                      [IntrReadWriteArgMem, NoCapture<0>]>,
410                            GCCBuiltin<"__sync_fetch_and_min">;
411 def int_atomic_load_max  : Intrinsic<[llvm_anyint_ty],
412                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
413                                       LLVMMatchType<0>],
414                                      [IntrReadWriteArgMem, NoCapture<0>]>,
415                            GCCBuiltin<"__sync_fetch_and_max">;
416 def int_atomic_load_umin : Intrinsic<[llvm_anyint_ty],
417                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
418                                       LLVMMatchType<0>],
419                                      [IntrReadWriteArgMem, NoCapture<0>]>,
420                            GCCBuiltin<"__sync_fetch_and_umin">;
421 def int_atomic_load_umax : Intrinsic<[llvm_anyint_ty],
422                                      [LLVMAnyPointerType<LLVMMatchType<0>>,
423                                       LLVMMatchType<0>],
424                                      [IntrReadWriteArgMem, NoCapture<0>]>,
425                            GCCBuiltin<"__sync_fetch_and_umax">;
426
427 //===------------------------- Memory Use Markers -------------------------===//
428 //
429 def int_lifetime_start  : Intrinsic<[],
430                                     [llvm_i64_ty, llvm_ptr_ty],
431                                     [IntrReadWriteArgMem, NoCapture<1>]>;
432 def int_lifetime_end    : Intrinsic<[],
433                                     [llvm_i64_ty, llvm_ptr_ty],
434                                     [IntrReadWriteArgMem, NoCapture<1>]>;
435 def int_invariant_start : Intrinsic<[llvm_descriptor_ty],
436                                     [llvm_i64_ty, llvm_ptr_ty],
437                                     [IntrReadArgMem, NoCapture<1>]>;
438 def int_invariant_end   : Intrinsic<[],
439                                     [llvm_descriptor_ty, llvm_i64_ty,
440                                      llvm_ptr_ty],
441                                     [IntrReadWriteArgMem, NoCapture<2>]>;
442
443 //===-------------------------- Other Intrinsics --------------------------===//
444 //
445 def int_flt_rounds : Intrinsic<[llvm_i32_ty]>,
446                      GCCBuiltin<"__builtin_flt_rounds">;
447 def int_trap : Intrinsic<[]>,
448                GCCBuiltin<"__builtin_trap">;
449
450 // Intrisics to support half precision floating point format
451 let Properties = [IntrNoMem] in {
452 def int_convert_to_fp16   : Intrinsic<[llvm_i16_ty], [llvm_float_ty]>,
453                             GCCBuiltin<"__gnu_f2h_ieee">;
454 def int_convert_from_fp16 : Intrinsic<[llvm_float_ty], [llvm_i16_ty]>,
455                             GCCBuiltin<"__gnu_h2f_ieee">;
456 }
457
458 // These convert intrinsics are to support various conversions between
459 // various types with rounding and saturation. NOTE: avoid using these
460 // intrinsics as they might be removed sometime in the future and
461 // most targets don't support them.
462 def int_convertff  : Intrinsic<[llvm_anyfloat_ty],
463                                [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>;
464 def int_convertfsi : Intrinsic<[llvm_anyfloat_ty],
465                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
466 def int_convertfui : Intrinsic<[llvm_anyfloat_ty],
467                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
468 def int_convertsif : Intrinsic<[llvm_anyint_ty],
469                                [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>;
470 def int_convertuif : Intrinsic<[llvm_anyint_ty],
471                                [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>;
472 def int_convertss  : Intrinsic<[llvm_anyint_ty],
473                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
474 def int_convertsu  : Intrinsic<[llvm_anyint_ty],
475                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
476 def int_convertus  : Intrinsic<[llvm_anyint_ty],
477                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
478 def int_convertuu  : Intrinsic<[llvm_anyint_ty],
479                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
480
481 //===----------------------------------------------------------------------===//
482 // Target-specific intrinsics
483 //===----------------------------------------------------------------------===//
484
485 include "llvm/IntrinsicsPowerPC.td"
486 include "llvm/IntrinsicsX86.td"
487 include "llvm/IntrinsicsARM.td"
488 include "llvm/IntrinsicsCellSPU.td"
489 include "llvm/IntrinsicsAlpha.td"
490 include "llvm/IntrinsicsXCore.td"