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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 
     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 //===----------------------------------------------------------------------===//
     73 // Types used by intrinsics.
     74 //===----------------------------------------------------------------------===//
     75 
     76 class LLVMType<ValueType vt> {
     77   ValueType VT = vt;
     78 }
     79 
     80 class LLVMQualPointerType<LLVMType elty, int addrspace>
     81   : LLVMType<iPTR>{
     82   LLVMType ElTy = elty;
     83   int AddrSpace = addrspace;
     84 }
     85 
     86 class LLVMPointerType<LLVMType elty>
     87   : LLVMQualPointerType<elty, 0>;
     88 
     89 class LLVMAnyPointerType<LLVMType elty>
     90   : LLVMType<iPTRAny>{
     91   LLVMType ElTy = elty;
     92 }
     93 
     94 // Match the type of another intrinsic parameter.  Number is an index into the
     95 // list of overloaded types for the intrinsic, excluding all the fixed types.
     96 // The Number value must refer to a previously listed type.  For example:
     97 //   Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_anyfloat_ty, LLVMMatchType<0>]>
     98 // has two overloaded types, the 2nd and 3rd arguments.  LLVMMatchType<0>
     99 // refers to the first overloaded type, which is the 2nd argument.
    100 class LLVMMatchType<int num>
    101   : LLVMType<OtherVT>{
    102   int Number = num;
    103 }
    104 
    105 // Match the type of another intrinsic parameter that is expected to be
    106 // an integral vector type, but change the element size to be twice as wide
    107 // or half as wide as the other type.  This is only useful when the intrinsic
    108 // is overloaded, so the matched type should be declared as iAny.
    109 class LLVMExtendedElementVectorType<int num> : LLVMMatchType<num>;
    110 class LLVMTruncatedElementVectorType<int num> : LLVMMatchType<num>;
    111 
    112 def llvm_void_ty       : LLVMType<isVoid>;
    113 def llvm_anyint_ty     : LLVMType<iAny>;
    114 def llvm_anyfloat_ty   : LLVMType<fAny>;
    115 def llvm_anyvector_ty  : LLVMType<vAny>;
    116 def llvm_i1_ty         : LLVMType<i1>;
    117 def llvm_i8_ty         : LLVMType<i8>;
    118 def llvm_i16_ty        : LLVMType<i16>;
    119 def llvm_i32_ty        : LLVMType<i32>;
    120 def llvm_i64_ty        : LLVMType<i64>;
    121 def llvm_half_ty       : LLVMType<f16>;
    122 def llvm_float_ty      : LLVMType<f32>;
    123 def llvm_double_ty     : LLVMType<f64>;
    124 def llvm_f80_ty        : LLVMType<f80>;
    125 def llvm_f128_ty       : LLVMType<f128>;
    126 def llvm_ppcf128_ty    : LLVMType<ppcf128>;
    127 def llvm_ptr_ty        : LLVMPointerType<llvm_i8_ty>;             // i8*
    128 def llvm_ptrptr_ty     : LLVMPointerType<llvm_ptr_ty>;            // i8**
    129 def llvm_anyptr_ty     : LLVMAnyPointerType<llvm_i8_ty>;          // (space)i8*
    130 def llvm_empty_ty      : LLVMType<OtherVT>;                       // { }
    131 def llvm_descriptor_ty : LLVMPointerType<llvm_empty_ty>;          // { }*
    132 def llvm_metadata_ty   : LLVMType<MetadataVT>;                    // !{...}
    133 
    134 def llvm_x86mmx_ty     : LLVMType<x86mmx>;
    135 def llvm_ptrx86mmx_ty  : LLVMPointerType<llvm_x86mmx_ty>;         // <1 x i64>*
    136 
    137 def llvm_v2i1_ty       : LLVMType<v2i1>;     //  2 x i1
    138 def llvm_v4i1_ty       : LLVMType<v4i1>;     //  4 x i1
    139 def llvm_v8i1_ty       : LLVMType<v8i1>;     //  8 x i1
    140 def llvm_v16i1_ty      : LLVMType<v16i1>;    // 16 x i1
    141 def llvm_v32i1_ty      : LLVMType<v32i1>;    // 32 x i1
    142 def llvm_v64i1_ty      : LLVMType<v64i1>;    // 64 x i1
    143 def llvm_v2i8_ty       : LLVMType<v2i8>;     //  2 x i8
    144 def llvm_v4i8_ty       : LLVMType<v4i8>;     //  4 x i8
    145 def llvm_v8i8_ty       : LLVMType<v8i8>;     //  8 x i8
    146 def llvm_v16i8_ty      : LLVMType<v16i8>;    // 16 x i8
    147 def llvm_v32i8_ty      : LLVMType<v32i8>;    // 32 x i8
    148 def llvm_v64i8_ty      : LLVMType<v64i8>;    // 64 x i8
    149 
    150 def llvm_v1i16_ty      : LLVMType<v1i16>;    //  1 x i16
    151 def llvm_v2i16_ty      : LLVMType<v2i16>;    //  2 x i16
    152 def llvm_v4i16_ty      : LLVMType<v4i16>;    //  4 x i16
    153 def llvm_v8i16_ty      : LLVMType<v8i16>;    //  8 x i16
    154 def llvm_v16i16_ty     : LLVMType<v16i16>;   // 16 x i16
    155 def llvm_v32i16_ty     : LLVMType<v32i16>;   // 32 x i16
    156 
    157 def llvm_v1i32_ty      : LLVMType<v1i32>;    //  1 x i32
    158 def llvm_v2i32_ty      : LLVMType<v2i32>;    //  2 x i32
    159 def llvm_v4i32_ty      : LLVMType<v4i32>;    //  4 x i32
    160 def llvm_v8i32_ty      : LLVMType<v8i32>;    //  8 x i32
    161 def llvm_v16i32_ty     : LLVMType<v16i32>;   // 16 x i32
    162 def llvm_v1i64_ty      : LLVMType<v1i64>;    //  1 x i64
    163 def llvm_v2i64_ty      : LLVMType<v2i64>;    //  2 x i64
    164 def llvm_v4i64_ty      : LLVMType<v4i64>;    //  4 x i64
    165 def llvm_v8i64_ty      : LLVMType<v8i64>;    //  8 x i64
    166 def llvm_v16i64_ty     : LLVMType<v16i64>;   // 16 x i64
    167 
    168 def llvm_v2f32_ty      : LLVMType<v2f32>;    //  2 x float
    169 def llvm_v4f32_ty      : LLVMType<v4f32>;    //  4 x float
    170 def llvm_v8f32_ty      : LLVMType<v8f32>;    //  8 x float
    171 def llvm_v16f32_ty     : LLVMType<v16f32>;   // 16 x float
    172 def llvm_v2f64_ty      : LLVMType<v2f64>;    //  2 x double
    173 def llvm_v4f64_ty      : LLVMType<v4f64>;    //  4 x double
    174 def llvm_v8f64_ty      : LLVMType<v8f64>;    //  8 x double
    175 
    176 def llvm_vararg_ty     : LLVMType<isVoid>;   // this means vararg here
    177 
    178 
    179 //===----------------------------------------------------------------------===//
    180 // Intrinsic Definitions.
    181 //===----------------------------------------------------------------------===//
    182 
    183 // Intrinsic class - This is used to define one LLVM intrinsic.  The name of the
    184 // intrinsic definition should start with "int_", then match the LLVM intrinsic
    185 // name with the "llvm." prefix removed, and all "."s turned into "_"s.  For
    186 // example, llvm.bswap.i16 -> int_bswap_i16.
    187 //
    188 //  * RetTypes is a list containing the return types expected for the
    189 //    intrinsic.
    190 //  * ParamTypes is a list containing the parameter types expected for the
    191 //    intrinsic.
    192 //  * Properties can be set to describe the behavior of the intrinsic.
    193 //
    194 class SDPatternOperator;
    195 class Intrinsic<list<LLVMType> ret_types,
    196                 list<LLVMType> param_types = [],
    197                 list<IntrinsicProperty> properties = [],
    198                 string name = ""> : SDPatternOperator {
    199   string LLVMName = name;
    200   string TargetPrefix = "";   // Set to a prefix for target-specific intrinsics.
    201   list<LLVMType> RetTypes = ret_types;
    202   list<LLVMType> ParamTypes = param_types;
    203   list<IntrinsicProperty> Properties = properties;
    204 
    205   bit isTarget = 0;
    206 }
    207 
    208 /// GCCBuiltin - If this intrinsic exactly corresponds to a GCC builtin, this
    209 /// specifies the name of the builtin.  This provides automatic CBE and CFE
    210 /// support.
    211 class GCCBuiltin<string name> {
    212   string GCCBuiltinName = name;
    213 }
    214 
    215 
    216 //===--------------- Variable Argument Handling Intrinsics ----------------===//
    217 //
    218 
    219 def int_vastart : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_start">;
    220 def int_vacopy  : Intrinsic<[], [llvm_ptr_ty, llvm_ptr_ty], [],
    221                             "llvm.va_copy">;
    222 def int_vaend   : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_end">;
    223 
    224 //===------------------- Garbage Collection Intrinsics --------------------===//
    225 //
    226 def int_gcroot  : Intrinsic<[],
    227                             [llvm_ptrptr_ty, llvm_ptr_ty]>;
    228 def int_gcread  : Intrinsic<[llvm_ptr_ty],
    229                             [llvm_ptr_ty, llvm_ptrptr_ty],
    230                             [IntrReadArgMem]>;
    231 def int_gcwrite : Intrinsic<[],
    232                             [llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty],
    233                             [IntrReadWriteArgMem, NoCapture<1>, NoCapture<2>]>;
    234 
    235 //===--------------------- Code Generator Intrinsics ----------------------===//
    236 //
    237 def int_returnaddress : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>;
    238 def int_frameaddress  : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>;
    239 
    240 // Note: we treat stacksave/stackrestore as writemem because we don't otherwise
    241 // model their dependencies on allocas.
    242 def int_stacksave     : Intrinsic<[llvm_ptr_ty]>,
    243                         GCCBuiltin<"__builtin_stack_save">;
    244 def int_stackrestore  : Intrinsic<[], [llvm_ptr_ty]>,
    245                         GCCBuiltin<"__builtin_stack_restore">;
    246 
    247 // IntrReadWriteArgMem is more pessimistic than strictly necessary for prefetch,
    248 // however it does conveniently prevent the prefetch from being reordered
    249 // with respect to nearby accesses to the same memory.
    250 def int_prefetch      : Intrinsic<[],
    251                                   [llvm_ptr_ty, llvm_i32_ty, llvm_i32_ty,
    252                                    llvm_i32_ty],
    253                                   [IntrReadWriteArgMem, NoCapture<0>]>;
    254 def int_pcmarker      : Intrinsic<[], [llvm_i32_ty]>;
    255 
    256 def int_readcyclecounter : Intrinsic<[llvm_i64_ty]>;
    257 
    258 // Stack Protector Intrinsic - The stackprotector intrinsic writes the stack
    259 // guard to the correct place on the stack frame.
    260 def int_stackprotector : Intrinsic<[], [llvm_ptr_ty, llvm_ptrptr_ty], []>;
    261 
    262 //===------------------- Standard C Library Intrinsics --------------------===//
    263 //
    264 
    265 def int_memcpy  : Intrinsic<[],
    266                              [llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty,
    267                               llvm_i32_ty, llvm_i1_ty],
    268                             [IntrReadWriteArgMem, NoCapture<0>, NoCapture<1>,
    269                              ReadOnly<1>]>;
    270 def int_memmove : Intrinsic<[],
    271                             [llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty,
    272                              llvm_i32_ty, llvm_i1_ty],
    273                             [IntrReadWriteArgMem, NoCapture<0>, NoCapture<1>,
    274                              ReadOnly<1>]>;
    275 def int_memset  : Intrinsic<[],
    276                             [llvm_anyptr_ty, llvm_i8_ty, llvm_anyint_ty,
    277                              llvm_i32_ty, llvm_i1_ty],
    278                             [IntrReadWriteArgMem, NoCapture<0>]>;
    279 
    280 // These functions do not actually read memory, but they are sensitive to the
    281 // rounding mode.  This needs to be modelled separately; in the meantime
    282 // declaring them as reading memory is conservatively correct.
    283 let Properties = [IntrReadMem] in {
    284   def int_sqrt : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    285   def int_powi : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, llvm_i32_ty]>;
    286   def int_sin  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    287   def int_cos  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    288   def int_pow  : Intrinsic<[llvm_anyfloat_ty],
    289                            [LLVMMatchType<0>, LLVMMatchType<0>]>;
    290   def int_log  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    291   def int_log10: Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    292   def int_log2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    293   def int_exp  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    294   def int_exp2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    295   def int_fabs : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    296   def int_floor : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    297   def int_ceil  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    298   def int_trunc : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    299   def int_rint  : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    300   def int_nearbyint : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>;
    301 }
    302 
    303 let Properties = [IntrNoMem] in {
    304   def int_fma  : Intrinsic<[llvm_anyfloat_ty],
    305                          [LLVMMatchType<0>, LLVMMatchType<0>,
    306                           LLVMMatchType<0>]>;
    307 
    308   def int_fmuladd : Intrinsic<[llvm_anyfloat_ty],
    309                               [LLVMMatchType<0>, LLVMMatchType<0>,
    310                                LLVMMatchType<0>]>;
    311 }
    312 
    313 // NOTE: these are internal interfaces.
    314 def int_setjmp     : Intrinsic<[llvm_i32_ty],  [llvm_ptr_ty]>;
    315 def int_longjmp    : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty], [IntrNoReturn]>;
    316 def int_sigsetjmp  : Intrinsic<[llvm_i32_ty] , [llvm_ptr_ty, llvm_i32_ty]>;
    317 def int_siglongjmp : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty], [IntrNoReturn]>;
    318 
    319 // Internal interface for object size checking
    320 def int_objectsize : Intrinsic<[llvm_anyint_ty], [llvm_ptr_ty, llvm_i1_ty],
    321                                [IntrNoMem]>,
    322                                GCCBuiltin<"__builtin_object_size">;
    323 
    324 //===------------------------- Expect Intrinsics --------------------------===//
    325 //
    326 def int_expect : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>,
    327                                               LLVMMatchType<0>], [IntrNoMem]>;
    328 
    329 //===-------------------- Bit Manipulation Intrinsics ---------------------===//
    330 //
    331 
    332 // None of these intrinsics accesses memory at all.
    333 let Properties = [IntrNoMem] in {
    334   def int_bswap: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
    335   def int_ctpop: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>;
    336   def int_ctlz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>, llvm_i1_ty]>;
    337   def int_cttz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>, llvm_i1_ty]>;
    338 }
    339 
    340 //===------------------------ Debugger Intrinsics -------------------------===//
    341 //
    342 
    343 // None of these intrinsics accesses memory at all...but that doesn't mean the
    344 // optimizers can change them aggressively.  Special handling needed in a few
    345 // places.
    346 let Properties = [IntrNoMem] in {
    347   def int_dbg_declare      : Intrinsic<[],
    348                                        [llvm_metadata_ty, llvm_metadata_ty]>;
    349   def int_dbg_value        : Intrinsic<[],
    350                                        [llvm_metadata_ty, llvm_i64_ty,
    351                                         llvm_metadata_ty]>;
    352 }
    353 
    354 //===------------------ Exception Handling Intrinsics----------------------===//
    355 //
    356 
    357 // The result of eh.typeid.for depends on the enclosing function, but inside a
    358 // given function it is 'const' and may be CSE'd etc.
    359 def int_eh_typeid_for : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty], [IntrNoMem]>;
    360 
    361 def int_eh_return_i32 : Intrinsic<[], [llvm_i32_ty, llvm_ptr_ty]>;
    362 def int_eh_return_i64 : Intrinsic<[], [llvm_i64_ty, llvm_ptr_ty]>;
    363 
    364 // __builtin_unwind_init is an undocumented GCC intrinsic that causes all
    365 // callee-saved registers to be saved and restored (regardless of whether they
    366 // are used) in the calling function. It is used by libgcc_eh.
    367 def int_eh_unwind_init: Intrinsic<[]>,
    368                         GCCBuiltin<"__builtin_unwind_init">;
    369 
    370 def int_eh_dwarf_cfa  : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty]>;
    371 
    372 let Properties = [IntrNoMem] in {
    373   def int_eh_sjlj_lsda             : Intrinsic<[llvm_ptr_ty]>;
    374   def int_eh_sjlj_callsite         : Intrinsic<[], [llvm_i32_ty]>;
    375 }
    376 def int_eh_sjlj_functioncontext : Intrinsic<[], [llvm_ptr_ty]>;
    377 def int_eh_sjlj_setjmp          : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>;
    378 def int_eh_sjlj_longjmp         : Intrinsic<[], [llvm_ptr_ty], [IntrNoReturn]>;
    379 
    380 //===---------------- Generic Variable Attribute Intrinsics----------------===//
    381 //
    382 def int_var_annotation : Intrinsic<[],
    383                                    [llvm_ptr_ty, llvm_ptr_ty,
    384                                     llvm_ptr_ty, llvm_i32_ty],
    385                                    [], "llvm.var.annotation">;
    386 def int_ptr_annotation : Intrinsic<[LLVMAnyPointerType<llvm_anyint_ty>],
    387                                    [LLVMMatchType<0>, llvm_ptr_ty, llvm_ptr_ty,
    388                                     llvm_i32_ty],
    389                                    [], "llvm.ptr.annotation">;
    390 def int_annotation : Intrinsic<[llvm_anyint_ty],
    391                                [LLVMMatchType<0>, llvm_ptr_ty,
    392                                 llvm_ptr_ty, llvm_i32_ty],
    393                                [], "llvm.annotation">;
    394 
    395 //===------------------------ Trampoline Intrinsics -----------------------===//
    396 //
    397 def int_init_trampoline : Intrinsic<[],
    398                                     [llvm_ptr_ty, llvm_ptr_ty, llvm_ptr_ty],
    399                                     [IntrReadWriteArgMem, NoCapture<0>]>,
    400                                    GCCBuiltin<"__builtin_init_trampoline">;
    401 
    402 def int_adjust_trampoline : Intrinsic<[llvm_ptr_ty], [llvm_ptr_ty],
    403                                       [IntrReadArgMem]>,
    404                                      GCCBuiltin<"__builtin_adjust_trampoline">;
    405 
    406 //===------------------------ Overflow Intrinsics -------------------------===//
    407 //
    408 
    409 // Expose the carry flag from add operations on two integrals.
    410 def int_sadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
    411                                        [LLVMMatchType<0>, LLVMMatchType<0>],
    412                                        [IntrNoMem]>;
    413 def int_uadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
    414                                        [LLVMMatchType<0>, LLVMMatchType<0>],
    415                                        [IntrNoMem]>;
    416 
    417 def int_ssub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
    418                                        [LLVMMatchType<0>, LLVMMatchType<0>],
    419                                        [IntrNoMem]>;
    420 def int_usub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
    421                                        [LLVMMatchType<0>, LLVMMatchType<0>],
    422                                        [IntrNoMem]>;
    423 
    424 def int_smul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
    425                                        [LLVMMatchType<0>, LLVMMatchType<0>],
    426                                        [IntrNoMem]>;
    427 def int_umul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty],
    428                                        [LLVMMatchType<0>, LLVMMatchType<0>],
    429                                        [IntrNoMem]>;
    430 
    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 
    447 //===-------------------------- Other Intrinsics --------------------------===//
    448 //
    449 def int_flt_rounds : Intrinsic<[llvm_i32_ty]>,
    450                      GCCBuiltin<"__builtin_flt_rounds">;
    451 def int_trap : Intrinsic<[], [], [IntrNoReturn]>,
    452                GCCBuiltin<"__builtin_trap">;
    453 def int_debugtrap : Intrinsic<[]>,
    454                     GCCBuiltin<"__builtin_debugtrap">;
    455 
    456 // NOP: calls/invokes to this intrinsic are removed by codegen
    457 def int_donothing : Intrinsic<[], [], [IntrNoMem]>;
    458 
    459 // Intrisics to support half precision floating point format
    460 let Properties = [IntrNoMem] in {
    461 def int_convert_to_fp16   : Intrinsic<[llvm_i16_ty], [llvm_float_ty]>,
    462                             GCCBuiltin<"__gnu_f2h_ieee">;
    463 def int_convert_from_fp16 : Intrinsic<[llvm_float_ty], [llvm_i16_ty]>,
    464                             GCCBuiltin<"__gnu_h2f_ieee">;
    465 }
    466 
    467 // These convert intrinsics are to support various conversions between
    468 // various types with rounding and saturation. NOTE: avoid using these
    469 // intrinsics as they might be removed sometime in the future and
    470 // most targets don't support them.
    471 def int_convertff  : Intrinsic<[llvm_anyfloat_ty],
    472                                [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>;
    473 def int_convertfsi : Intrinsic<[llvm_anyfloat_ty],
    474                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
    475 def int_convertfui : Intrinsic<[llvm_anyfloat_ty],
    476                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
    477 def int_convertsif : Intrinsic<[llvm_anyint_ty],
    478                                [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>;
    479 def int_convertuif : Intrinsic<[llvm_anyint_ty],
    480                                [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>;
    481 def int_convertss  : Intrinsic<[llvm_anyint_ty],
    482                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
    483 def int_convertsu  : Intrinsic<[llvm_anyint_ty],
    484                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
    485 def int_convertus  : Intrinsic<[llvm_anyint_ty],
    486                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
    487 def int_convertuu  : Intrinsic<[llvm_anyint_ty],
    488                                [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>;
    489 
    490 //===----------------------------------------------------------------------===//
    491 // Target-specific intrinsics
    492 //===----------------------------------------------------------------------===//
    493 
    494 include "llvm/IR/IntrinsicsPowerPC.td"
    495 include "llvm/IR/IntrinsicsX86.td"
    496 include "llvm/IR/IntrinsicsARM.td"
    497 include "llvm/IR/IntrinsicsAArch64.td"
    498 include "llvm/IR/IntrinsicsXCore.td"
    499 include "llvm/IR/IntrinsicsHexagon.td"
    500 include "llvm/IR/IntrinsicsNVVM.td"
    501 include "llvm/IR/IntrinsicsMips.td"
    502 include "llvm/IR/IntrinsicsR600.td"
    503