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      1 //===-- SystemZOperators.td - SystemZ-specific operators ------*- tblgen-*-===//
      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 //===----------------------------------------------------------------------===//
     11 // Type profiles
     12 //===----------------------------------------------------------------------===//
     13 def SDT_CallSeqStart        : SDCallSeqStart<[SDTCisVT<0, i64>]>;
     14 def SDT_CallSeqEnd          : SDCallSeqEnd<[SDTCisVT<0, i64>,
     15                                             SDTCisVT<1, i64>]>;
     16 def SDT_ZCall               : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
     17 def SDT_ZCmp                : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
     18 def SDT_ZICmp               : SDTypeProfile<0, 3,
     19                                             [SDTCisSameAs<0, 1>,
     20                                              SDTCisVT<2, i32>]>;
     21 def SDT_ZBRCCMask           : SDTypeProfile<0, 3,
     22                                             [SDTCisVT<0, i32>,
     23                                              SDTCisVT<1, i32>,
     24                                              SDTCisVT<2, OtherVT>]>;
     25 def SDT_ZSelectCCMask       : SDTypeProfile<1, 4,
     26                                             [SDTCisSameAs<0, 1>,
     27                                              SDTCisSameAs<1, 2>,
     28                                              SDTCisVT<3, i32>,
     29                                              SDTCisVT<4, i32>]>;
     30 def SDT_ZWrapPtr            : SDTypeProfile<1, 1,
     31                                             [SDTCisSameAs<0, 1>,
     32                                              SDTCisPtrTy<0>]>;
     33 def SDT_ZWrapOffset         : SDTypeProfile<1, 2,
     34                                             [SDTCisSameAs<0, 1>,
     35                                              SDTCisSameAs<0, 2>,
     36                                              SDTCisPtrTy<0>]>;
     37 def SDT_ZAdjDynAlloc        : SDTypeProfile<1, 0, [SDTCisVT<0, i64>]>;
     38 def SDT_ZExtractAccess      : SDTypeProfile<1, 1,
     39                                             [SDTCisVT<0, i32>,
     40                                              SDTCisVT<1, i32>]>;
     41 def SDT_ZGR128Binary32      : SDTypeProfile<1, 2,
     42                                             [SDTCisVT<0, untyped>,
     43                                              SDTCisVT<1, untyped>,
     44                                              SDTCisVT<2, i32>]>;
     45 def SDT_ZGR128Binary64      : SDTypeProfile<1, 2,
     46                                             [SDTCisVT<0, untyped>,
     47                                              SDTCisVT<1, untyped>,
     48                                              SDTCisVT<2, i64>]>;
     49 def SDT_ZAtomicLoadBinaryW  : SDTypeProfile<1, 5,
     50                                             [SDTCisVT<0, i32>,
     51                                              SDTCisPtrTy<1>,
     52                                              SDTCisVT<2, i32>,
     53                                              SDTCisVT<3, i32>,
     54                                              SDTCisVT<4, i32>,
     55                                              SDTCisVT<5, i32>]>;
     56 def SDT_ZAtomicCmpSwapW     : SDTypeProfile<1, 6,
     57                                             [SDTCisVT<0, i32>,
     58                                              SDTCisPtrTy<1>,
     59                                              SDTCisVT<2, i32>,
     60                                              SDTCisVT<3, i32>,
     61                                              SDTCisVT<4, i32>,
     62                                              SDTCisVT<5, i32>,
     63                                              SDTCisVT<6, i32>]>;
     64 def SDT_ZMemMemLength       : SDTypeProfile<0, 3,
     65                                             [SDTCisPtrTy<0>,
     66                                              SDTCisPtrTy<1>,
     67                                              SDTCisVT<2, i64>]>;
     68 def SDT_ZMemMemLoop         : SDTypeProfile<0, 4,
     69                                             [SDTCisPtrTy<0>,
     70                                              SDTCisPtrTy<1>,
     71                                              SDTCisVT<2, i64>,
     72                                              SDTCisVT<3, i64>]>;
     73 def SDT_ZString             : SDTypeProfile<1, 3,
     74                                             [SDTCisPtrTy<0>,
     75                                              SDTCisPtrTy<1>,
     76                                              SDTCisPtrTy<2>,
     77                                              SDTCisVT<3, i32>]>;
     78 def SDT_ZI32Intrinsic       : SDTypeProfile<1, 0, [SDTCisVT<0, i32>]>;
     79 def SDT_ZPrefetch           : SDTypeProfile<0, 2,
     80                                             [SDTCisVT<0, i32>,
     81                                              SDTCisPtrTy<1>]>;
     82 def SDT_ZLoadBSwap          : SDTypeProfile<1, 2,
     83                                             [SDTCisInt<0>,
     84                                              SDTCisPtrTy<1>,
     85                                              SDTCisVT<2, OtherVT>]>;
     86 def SDT_ZStoreBSwap         : SDTypeProfile<0, 3,
     87                                             [SDTCisInt<0>,
     88                                              SDTCisPtrTy<1>,
     89                                              SDTCisVT<2, OtherVT>]>;
     90 def SDT_ZTBegin             : SDTypeProfile<0, 2,
     91                                             [SDTCisPtrTy<0>,
     92                                              SDTCisVT<1, i32>]>;
     93 def SDT_ZInsertVectorElt    : SDTypeProfile<1, 3,
     94                                             [SDTCisVec<0>,
     95                                              SDTCisSameAs<0, 1>,
     96                                              SDTCisVT<3, i32>]>;
     97 def SDT_ZExtractVectorElt   : SDTypeProfile<1, 2,
     98                                             [SDTCisVec<1>,
     99                                              SDTCisVT<2, i32>]>;
    100 def SDT_ZReplicate          : SDTypeProfile<1, 1,
    101                                             [SDTCisVec<0>]>;
    102 def SDT_ZVecUnaryConv       : SDTypeProfile<1, 1,
    103                                             [SDTCisVec<0>,
    104                                              SDTCisVec<1>]>;
    105 def SDT_ZVecUnary           : SDTypeProfile<1, 1,
    106                                             [SDTCisVec<0>,
    107                                              SDTCisSameAs<0, 1>]>;
    108 def SDT_ZVecBinary          : SDTypeProfile<1, 2,
    109                                             [SDTCisVec<0>,
    110                                              SDTCisSameAs<0, 1>,
    111                                              SDTCisSameAs<0, 2>]>;
    112 def SDT_ZVecBinaryInt       : SDTypeProfile<1, 2,
    113                                             [SDTCisVec<0>,
    114                                              SDTCisSameAs<0, 1>,
    115                                              SDTCisVT<2, i32>]>;
    116 def SDT_ZVecBinaryConv      : SDTypeProfile<1, 2,
    117                                             [SDTCisVec<0>,
    118                                              SDTCisVec<1>,
    119                                              SDTCisSameAs<1, 2>]>;
    120 def SDT_ZVecBinaryConvInt   : SDTypeProfile<1, 2,
    121                                             [SDTCisVec<0>,
    122                                              SDTCisVec<1>,
    123                                              SDTCisVT<2, i32>]>;
    124 def SDT_ZRotateMask         : SDTypeProfile<1, 2,
    125                                             [SDTCisVec<0>,
    126                                              SDTCisVT<1, i32>,
    127                                              SDTCisVT<2, i32>]>;
    128 def SDT_ZJoinDwords         : SDTypeProfile<1, 2,
    129                                             [SDTCisVT<0, v2i64>,
    130                                              SDTCisVT<1, i64>,
    131                                              SDTCisVT<2, i64>]>;
    132 def SDT_ZVecTernary         : SDTypeProfile<1, 3,
    133                                             [SDTCisVec<0>,
    134                                              SDTCisSameAs<0, 1>,
    135                                              SDTCisSameAs<0, 2>,
    136                                              SDTCisSameAs<0, 3>]>;
    137 def SDT_ZVecTernaryInt      : SDTypeProfile<1, 3,
    138                                             [SDTCisVec<0>,
    139                                              SDTCisSameAs<0, 1>,
    140                                              SDTCisSameAs<0, 2>,
    141                                              SDTCisVT<3, i32>]>;
    142 def SDT_ZVecQuaternaryInt   : SDTypeProfile<1, 4,
    143                                             [SDTCisVec<0>,
    144                                              SDTCisSameAs<0, 1>,
    145                                              SDTCisSameAs<0, 2>,
    146                                              SDTCisSameAs<0, 3>,
    147                                              SDTCisVT<4, i32>]>;
    148 def SDT_ZTest               : SDTypeProfile<0, 2, [SDTCisVT<1, i64>]>;
    149 
    150 //===----------------------------------------------------------------------===//
    151 // Node definitions
    152 //===----------------------------------------------------------------------===//
    153 
    154 // These are target-independent nodes, but have target-specific formats.
    155 def callseq_start       : SDNode<"ISD::CALLSEQ_START", SDT_CallSeqStart,
    156                                  [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
    157 def callseq_end         : SDNode<"ISD::CALLSEQ_END",   SDT_CallSeqEnd,
    158                                  [SDNPHasChain, SDNPSideEffect, SDNPOptInGlue,
    159                                   SDNPOutGlue]>;
    160 def global_offset_table : SDNode<"ISD::GLOBAL_OFFSET_TABLE", SDTPtrLeaf>;
    161 
    162 // Nodes for SystemZISD::*.  See SystemZISelLowering.h for more details.
    163 def z_retflag           : SDNode<"SystemZISD::RET_FLAG", SDTNone,
    164                                  [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
    165 def z_call              : SDNode<"SystemZISD::CALL", SDT_ZCall,
    166                                  [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
    167                                   SDNPVariadic]>;
    168 def z_sibcall           : SDNode<"SystemZISD::SIBCALL", SDT_ZCall,
    169                                  [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
    170                                   SDNPVariadic]>;
    171 def z_tls_gdcall        : SDNode<"SystemZISD::TLS_GDCALL", SDT_ZCall,
    172                                  [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
    173                                   SDNPVariadic]>;
    174 def z_tls_ldcall        : SDNode<"SystemZISD::TLS_LDCALL", SDT_ZCall,
    175                                  [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
    176                                   SDNPVariadic]>;
    177 def z_pcrel_wrapper     : SDNode<"SystemZISD::PCREL_WRAPPER", SDT_ZWrapPtr, []>;
    178 def z_pcrel_offset      : SDNode<"SystemZISD::PCREL_OFFSET",
    179                                  SDT_ZWrapOffset, []>;
    180 def z_iabs              : SDNode<"SystemZISD::IABS", SDTIntUnaryOp, []>;
    181 def z_icmp              : SDNode<"SystemZISD::ICMP", SDT_ZICmp, [SDNPOutGlue]>;
    182 def z_fcmp              : SDNode<"SystemZISD::FCMP", SDT_ZCmp, [SDNPOutGlue]>;
    183 def z_tm                : SDNode<"SystemZISD::TM", SDT_ZICmp, [SDNPOutGlue]>;
    184 def z_br_ccmask         : SDNode<"SystemZISD::BR_CCMASK", SDT_ZBRCCMask,
    185                                  [SDNPHasChain, SDNPInGlue]>;
    186 def z_select_ccmask     : SDNode<"SystemZISD::SELECT_CCMASK", SDT_ZSelectCCMask,
    187     		                 [SDNPInGlue]>;
    188 def z_adjdynalloc       : SDNode<"SystemZISD::ADJDYNALLOC", SDT_ZAdjDynAlloc>;
    189 def z_extract_access    : SDNode<"SystemZISD::EXTRACT_ACCESS",
    190                                  SDT_ZExtractAccess>;
    191 def z_popcnt            : SDNode<"SystemZISD::POPCNT", SDTIntUnaryOp>;
    192 def z_umul_lohi64       : SDNode<"SystemZISD::UMUL_LOHI64", SDT_ZGR128Binary64>;
    193 def z_sdivrem32         : SDNode<"SystemZISD::SDIVREM32", SDT_ZGR128Binary32>;
    194 def z_sdivrem64         : SDNode<"SystemZISD::SDIVREM64", SDT_ZGR128Binary64>;
    195 def z_udivrem32         : SDNode<"SystemZISD::UDIVREM32", SDT_ZGR128Binary32>;
    196 def z_udivrem64         : SDNode<"SystemZISD::UDIVREM64", SDT_ZGR128Binary64>;
    197 
    198 def z_serialize         : SDNode<"SystemZISD::SERIALIZE", SDTNone,
    199                                  [SDNPHasChain, SDNPMayStore]>;
    200 def z_membarrier        : SDNode<"SystemZISD::MEMBARRIER", SDTNone,
    201                                  [SDNPHasChain, SDNPSideEffect]>;
    202 
    203 def z_loadbswap        : SDNode<"SystemZISD::LRV", SDT_ZLoadBSwap,
    204                                  [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
    205 def z_storebswap       : SDNode<"SystemZISD::STRV", SDT_ZStoreBSwap,
    206                                  [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
    207 
    208 def z_tdc               : SDNode<"SystemZISD::TDC", SDT_ZTest, [SDNPOutGlue]>;
    209 
    210 // Defined because the index is an i32 rather than a pointer.
    211 def z_vector_insert     : SDNode<"ISD::INSERT_VECTOR_ELT",
    212                                  SDT_ZInsertVectorElt>;
    213 def z_vector_extract    : SDNode<"ISD::EXTRACT_VECTOR_ELT",
    214                                  SDT_ZExtractVectorElt>;
    215 def z_byte_mask         : SDNode<"SystemZISD::BYTE_MASK", SDT_ZReplicate>;
    216 def z_rotate_mask       : SDNode<"SystemZISD::ROTATE_MASK", SDT_ZRotateMask>;
    217 def z_replicate         : SDNode<"SystemZISD::REPLICATE", SDT_ZReplicate>;
    218 def z_join_dwords       : SDNode<"SystemZISD::JOIN_DWORDS", SDT_ZJoinDwords>;
    219 def z_splat             : SDNode<"SystemZISD::SPLAT", SDT_ZVecBinaryInt>;
    220 def z_merge_high        : SDNode<"SystemZISD::MERGE_HIGH", SDT_ZVecBinary>;
    221 def z_merge_low         : SDNode<"SystemZISD::MERGE_LOW", SDT_ZVecBinary>;
    222 def z_shl_double        : SDNode<"SystemZISD::SHL_DOUBLE", SDT_ZVecTernaryInt>;
    223 def z_permute_dwords    : SDNode<"SystemZISD::PERMUTE_DWORDS",
    224                                  SDT_ZVecTernaryInt>;
    225 def z_permute           : SDNode<"SystemZISD::PERMUTE", SDT_ZVecTernary>;
    226 def z_pack              : SDNode<"SystemZISD::PACK", SDT_ZVecBinaryConv>;
    227 def z_packs_cc          : SDNode<"SystemZISD::PACKS_CC", SDT_ZVecBinaryConv,
    228                                  [SDNPOutGlue]>;
    229 def z_packls_cc         : SDNode<"SystemZISD::PACKLS_CC", SDT_ZVecBinaryConv,
    230                                  [SDNPOutGlue]>;
    231 def z_unpack_high       : SDNode<"SystemZISD::UNPACK_HIGH", SDT_ZVecUnaryConv>;
    232 def z_unpackl_high      : SDNode<"SystemZISD::UNPACKL_HIGH", SDT_ZVecUnaryConv>;
    233 def z_unpack_low        : SDNode<"SystemZISD::UNPACK_LOW", SDT_ZVecUnaryConv>;
    234 def z_unpackl_low       : SDNode<"SystemZISD::UNPACKL_LOW", SDT_ZVecUnaryConv>;
    235 def z_vshl_by_scalar    : SDNode<"SystemZISD::VSHL_BY_SCALAR",
    236                                  SDT_ZVecBinaryInt>;
    237 def z_vsrl_by_scalar    : SDNode<"SystemZISD::VSRL_BY_SCALAR",
    238                                  SDT_ZVecBinaryInt>;
    239 def z_vsra_by_scalar    : SDNode<"SystemZISD::VSRA_BY_SCALAR",
    240                                  SDT_ZVecBinaryInt>;
    241 def z_vsum              : SDNode<"SystemZISD::VSUM", SDT_ZVecBinaryConv>;
    242 def z_vicmpe            : SDNode<"SystemZISD::VICMPE", SDT_ZVecBinary>;
    243 def z_vicmph            : SDNode<"SystemZISD::VICMPH", SDT_ZVecBinary>;
    244 def z_vicmphl           : SDNode<"SystemZISD::VICMPHL", SDT_ZVecBinary>;
    245 def z_vicmpes           : SDNode<"SystemZISD::VICMPES", SDT_ZVecBinary,
    246                                  [SDNPOutGlue]>;
    247 def z_vicmphs           : SDNode<"SystemZISD::VICMPHS", SDT_ZVecBinary,
    248                                  [SDNPOutGlue]>;
    249 def z_vicmphls          : SDNode<"SystemZISD::VICMPHLS", SDT_ZVecBinary,
    250                                  [SDNPOutGlue]>;
    251 def z_vfcmpe            : SDNode<"SystemZISD::VFCMPE", SDT_ZVecBinaryConv>;
    252 def z_vfcmph            : SDNode<"SystemZISD::VFCMPH", SDT_ZVecBinaryConv>;
    253 def z_vfcmphe           : SDNode<"SystemZISD::VFCMPHE", SDT_ZVecBinaryConv>;
    254 def z_vfcmpes           : SDNode<"SystemZISD::VFCMPES", SDT_ZVecBinaryConv,
    255                                  [SDNPOutGlue]>;
    256 def z_vfcmphs           : SDNode<"SystemZISD::VFCMPHS", SDT_ZVecBinaryConv,
    257                                  [SDNPOutGlue]>;
    258 def z_vfcmphes          : SDNode<"SystemZISD::VFCMPHES", SDT_ZVecBinaryConv,
    259                                  [SDNPOutGlue]>;
    260 def z_vextend           : SDNode<"SystemZISD::VEXTEND", SDT_ZVecUnaryConv>;
    261 def z_vround            : SDNode<"SystemZISD::VROUND", SDT_ZVecUnaryConv>;
    262 def z_vtm               : SDNode<"SystemZISD::VTM", SDT_ZCmp, [SDNPOutGlue]>;
    263 def z_vfae_cc           : SDNode<"SystemZISD::VFAE_CC", SDT_ZVecTernaryInt,
    264                                  [SDNPOutGlue]>;
    265 def z_vfaez_cc          : SDNode<"SystemZISD::VFAEZ_CC", SDT_ZVecTernaryInt,
    266                                  [SDNPOutGlue]>;
    267 def z_vfee_cc           : SDNode<"SystemZISD::VFEE_CC", SDT_ZVecBinary,
    268                                  [SDNPOutGlue]>;
    269 def z_vfeez_cc          : SDNode<"SystemZISD::VFEEZ_CC", SDT_ZVecBinary,
    270                                  [SDNPOutGlue]>;
    271 def z_vfene_cc          : SDNode<"SystemZISD::VFENE_CC", SDT_ZVecBinary,
    272                                  [SDNPOutGlue]>;
    273 def z_vfenez_cc         : SDNode<"SystemZISD::VFENEZ_CC", SDT_ZVecBinary,
    274                                  [SDNPOutGlue]>;
    275 def z_vistr_cc          : SDNode<"SystemZISD::VISTR_CC", SDT_ZVecUnary,
    276                                  [SDNPOutGlue]>;
    277 def z_vstrc_cc          : SDNode<"SystemZISD::VSTRC_CC", SDT_ZVecQuaternaryInt,
    278                                  [SDNPOutGlue]>;
    279 def z_vstrcz_cc         : SDNode<"SystemZISD::VSTRCZ_CC",
    280                                  SDT_ZVecQuaternaryInt, [SDNPOutGlue]>;
    281 def z_vftci             : SDNode<"SystemZISD::VFTCI", SDT_ZVecBinaryConvInt,
    282                                  [SDNPOutGlue]>;
    283 
    284 class AtomicWOp<string name, SDTypeProfile profile = SDT_ZAtomicLoadBinaryW>
    285   : SDNode<"SystemZISD::"##name, profile,
    286            [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
    287 
    288 def z_atomic_swapw      : AtomicWOp<"ATOMIC_SWAPW">;
    289 def z_atomic_loadw_add  : AtomicWOp<"ATOMIC_LOADW_ADD">;
    290 def z_atomic_loadw_sub  : AtomicWOp<"ATOMIC_LOADW_SUB">;
    291 def z_atomic_loadw_and  : AtomicWOp<"ATOMIC_LOADW_AND">;
    292 def z_atomic_loadw_or   : AtomicWOp<"ATOMIC_LOADW_OR">;
    293 def z_atomic_loadw_xor  : AtomicWOp<"ATOMIC_LOADW_XOR">;
    294 def z_atomic_loadw_nand : AtomicWOp<"ATOMIC_LOADW_NAND">;
    295 def z_atomic_loadw_min  : AtomicWOp<"ATOMIC_LOADW_MIN">;
    296 def z_atomic_loadw_max  : AtomicWOp<"ATOMIC_LOADW_MAX">;
    297 def z_atomic_loadw_umin : AtomicWOp<"ATOMIC_LOADW_UMIN">;
    298 def z_atomic_loadw_umax : AtomicWOp<"ATOMIC_LOADW_UMAX">;
    299 def z_atomic_cmp_swapw  : AtomicWOp<"ATOMIC_CMP_SWAPW", SDT_ZAtomicCmpSwapW>;
    300 
    301 def z_mvc               : SDNode<"SystemZISD::MVC", SDT_ZMemMemLength,
    302                                  [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
    303 def z_mvc_loop          : SDNode<"SystemZISD::MVC_LOOP", SDT_ZMemMemLoop,
    304                                  [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
    305 def z_nc                : SDNode<"SystemZISD::NC", SDT_ZMemMemLength,
    306                                   [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
    307 def z_nc_loop           : SDNode<"SystemZISD::NC_LOOP", SDT_ZMemMemLoop,
    308                                   [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
    309 def z_oc                : SDNode<"SystemZISD::OC", SDT_ZMemMemLength,
    310                                   [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
    311 def z_oc_loop           : SDNode<"SystemZISD::OC_LOOP", SDT_ZMemMemLoop,
    312                                   [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
    313 def z_xc                : SDNode<"SystemZISD::XC", SDT_ZMemMemLength,
    314                                   [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
    315 def z_xc_loop           : SDNode<"SystemZISD::XC_LOOP", SDT_ZMemMemLoop,
    316                                   [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
    317 def z_clc               : SDNode<"SystemZISD::CLC", SDT_ZMemMemLength,
    318                                  [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>;
    319 def z_clc_loop          : SDNode<"SystemZISD::CLC_LOOP", SDT_ZMemMemLoop,
    320                                  [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>;
    321 def z_strcmp            : SDNode<"SystemZISD::STRCMP", SDT_ZString,
    322                                  [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>;
    323 def z_stpcpy            : SDNode<"SystemZISD::STPCPY", SDT_ZString,
    324                                  [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
    325 def z_search_string     : SDNode<"SystemZISD::SEARCH_STRING", SDT_ZString,
    326                                  [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>;
    327 def z_ipm               : SDNode<"SystemZISD::IPM", SDT_ZI32Intrinsic,
    328                                  [SDNPInGlue]>;
    329 def z_prefetch          : SDNode<"SystemZISD::PREFETCH", SDT_ZPrefetch,
    330                                  [SDNPHasChain, SDNPMayLoad, SDNPMayStore,
    331                                   SDNPMemOperand]>;
    332 
    333 def z_tbegin            : SDNode<"SystemZISD::TBEGIN", SDT_ZTBegin,
    334                                  [SDNPHasChain, SDNPOutGlue, SDNPMayStore,
    335                                   SDNPSideEffect]>;
    336 def z_tbegin_nofloat    : SDNode<"SystemZISD::TBEGIN_NOFLOAT", SDT_ZTBegin,
    337                                  [SDNPHasChain, SDNPOutGlue, SDNPMayStore,
    338                                   SDNPSideEffect]>;
    339 def z_tend              : SDNode<"SystemZISD::TEND", SDTNone,
    340                                  [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
    341 
    342 def z_vshl              : SDNode<"ISD::SHL", SDT_ZVecBinary>;
    343 def z_vsra              : SDNode<"ISD::SRA", SDT_ZVecBinary>;
    344 def z_vsrl              : SDNode<"ISD::SRL", SDT_ZVecBinary>;
    345 
    346 //===----------------------------------------------------------------------===//
    347 // Pattern fragments
    348 //===----------------------------------------------------------------------===//
    349 
    350 def z_lrvh  : PatFrag<(ops node:$addr), (z_loadbswap node:$addr, i16)>;
    351 def z_lrv   : PatFrag<(ops node:$addr), (z_loadbswap node:$addr, i32)>;
    352 def z_lrvg  : PatFrag<(ops node:$addr), (z_loadbswap node:$addr, i64)>;
    353 
    354 def z_strvh : PatFrag<(ops node:$src, node:$addr),
    355                       (z_storebswap node:$src, node:$addr, i16)>;
    356 def z_strv  : PatFrag<(ops node:$src, node:$addr),
    357                       (z_storebswap node:$src, node:$addr, i32)>;
    358 def z_strvg : PatFrag<(ops node:$src, node:$addr),
    359                       (z_storebswap node:$src, node:$addr, i64)>;
    360 
    361 // Signed and unsigned comparisons.
    362 def z_scmp : PatFrag<(ops node:$a, node:$b), (z_icmp node:$a, node:$b, imm), [{
    363   unsigned Type = cast<ConstantSDNode>(N->getOperand(2))->getZExtValue();
    364   return Type != SystemZICMP::UnsignedOnly;
    365 }]>;
    366 def z_ucmp : PatFrag<(ops node:$a, node:$b), (z_icmp node:$a, node:$b, imm), [{
    367   unsigned Type = cast<ConstantSDNode>(N->getOperand(2))->getZExtValue();
    368   return Type != SystemZICMP::SignedOnly;
    369 }]>;
    370 
    371 // Register- and memory-based TEST UNDER MASK.
    372 def z_tm_reg : PatFrag<(ops node:$a, node:$b), (z_tm node:$a, node:$b, imm)>;
    373 def z_tm_mem : PatFrag<(ops node:$a, node:$b), (z_tm node:$a, node:$b, 0)>;
    374 
    375 // Register sign-extend operations.  Sub-32-bit values are represented as i32s.
    376 def sext8  : PatFrag<(ops node:$src), (sext_inreg node:$src, i8)>;
    377 def sext16 : PatFrag<(ops node:$src), (sext_inreg node:$src, i16)>;
    378 def sext32 : PatFrag<(ops node:$src), (sext (i32 node:$src))>;
    379 
    380 // Match extensions of an i32 to an i64, followed by an in-register sign
    381 // extension from a sub-i32 value.
    382 def sext8dbl : PatFrag<(ops node:$src), (sext8 (anyext node:$src))>;
    383 def sext16dbl : PatFrag<(ops node:$src), (sext16 (anyext node:$src))>;
    384 
    385 // Register zero-extend operations.  Sub-32-bit values are represented as i32s.
    386 def zext8  : PatFrag<(ops node:$src), (and node:$src, 0xff)>;
    387 def zext16 : PatFrag<(ops node:$src), (and node:$src, 0xffff)>;
    388 def zext32 : PatFrag<(ops node:$src), (zext (i32 node:$src))>;
    389 
    390 // Match extensions of an i32 to an i64, followed by an AND of the low
    391 // i8 or i16 part.
    392 def zext8dbl : PatFrag<(ops node:$src), (zext8 (anyext node:$src))>;
    393 def zext16dbl : PatFrag<(ops node:$src), (zext16 (anyext node:$src))>;
    394 
    395 // Typed floating-point loads.
    396 def loadf32 : PatFrag<(ops node:$src), (f32 (load node:$src))>;
    397 def loadf64 : PatFrag<(ops node:$src), (f64 (load node:$src))>;
    398 
    399 // Extending loads in which the extension type can be signed.
    400 def asextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
    401   unsigned Type = cast<LoadSDNode>(N)->getExtensionType();
    402   return Type == ISD::EXTLOAD || Type == ISD::SEXTLOAD;
    403 }]>;
    404 def asextloadi8 : PatFrag<(ops node:$ptr), (asextload node:$ptr), [{
    405   return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
    406 }]>;
    407 def asextloadi16 : PatFrag<(ops node:$ptr), (asextload node:$ptr), [{
    408   return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
    409 }]>;
    410 def asextloadi32 : PatFrag<(ops node:$ptr), (asextload node:$ptr), [{
    411   return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
    412 }]>;
    413 
    414 // Extending loads in which the extension type can be unsigned.
    415 def azextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
    416   unsigned Type = cast<LoadSDNode>(N)->getExtensionType();
    417   return Type == ISD::EXTLOAD || Type == ISD::ZEXTLOAD;
    418 }]>;
    419 def azextloadi8 : PatFrag<(ops node:$ptr), (azextload node:$ptr), [{
    420   return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
    421 }]>;
    422 def azextloadi16 : PatFrag<(ops node:$ptr), (azextload node:$ptr), [{
    423   return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
    424 }]>;
    425 def azextloadi32 : PatFrag<(ops node:$ptr), (azextload node:$ptr), [{
    426   return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
    427 }]>;
    428 
    429 // Extending loads in which the extension type doesn't matter.
    430 def anyextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
    431   return cast<LoadSDNode>(N)->getExtensionType() != ISD::NON_EXTLOAD;
    432 }]>;
    433 def anyextloadi8 : PatFrag<(ops node:$ptr), (anyextload node:$ptr), [{
    434   return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
    435 }]>;
    436 def anyextloadi16 : PatFrag<(ops node:$ptr), (anyextload node:$ptr), [{
    437   return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
    438 }]>;
    439 def anyextloadi32 : PatFrag<(ops node:$ptr), (anyextload node:$ptr), [{
    440   return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
    441 }]>;
    442 
    443 // Aligned loads.
    444 class AlignedLoad<SDPatternOperator load>
    445   : PatFrag<(ops node:$addr), (load node:$addr), [{
    446   auto *Load = cast<LoadSDNode>(N);
    447   return Load->getAlignment() >= Load->getMemoryVT().getStoreSize();
    448 }]>;
    449 def aligned_load         : AlignedLoad<load>;
    450 def aligned_asextloadi16 : AlignedLoad<asextloadi16>;
    451 def aligned_asextloadi32 : AlignedLoad<asextloadi32>;
    452 def aligned_azextloadi16 : AlignedLoad<azextloadi16>;
    453 def aligned_azextloadi32 : AlignedLoad<azextloadi32>;
    454 
    455 // Aligned stores.
    456 class AlignedStore<SDPatternOperator store>
    457   : PatFrag<(ops node:$src, node:$addr), (store node:$src, node:$addr), [{
    458   auto *Store = cast<StoreSDNode>(N);
    459   return Store->getAlignment() >= Store->getMemoryVT().getStoreSize();
    460 }]>;
    461 def aligned_store         : AlignedStore<store>;
    462 def aligned_truncstorei16 : AlignedStore<truncstorei16>;
    463 def aligned_truncstorei32 : AlignedStore<truncstorei32>;
    464 
    465 // Non-volatile loads.  Used for instructions that might access the storage
    466 // location multiple times.
    467 class NonvolatileLoad<SDPatternOperator load>
    468   : PatFrag<(ops node:$addr), (load node:$addr), [{
    469   auto *Load = cast<LoadSDNode>(N);
    470   return !Load->isVolatile();
    471 }]>;
    472 def nonvolatile_load          : NonvolatileLoad<load>;
    473 def nonvolatile_anyextloadi8  : NonvolatileLoad<anyextloadi8>;
    474 def nonvolatile_anyextloadi16 : NonvolatileLoad<anyextloadi16>;
    475 def nonvolatile_anyextloadi32 : NonvolatileLoad<anyextloadi32>;
    476 
    477 // Non-volatile stores.
    478 class NonvolatileStore<SDPatternOperator store>
    479   : PatFrag<(ops node:$src, node:$addr), (store node:$src, node:$addr), [{
    480   auto *Store = cast<StoreSDNode>(N);
    481   return !Store->isVolatile();
    482 }]>;
    483 def nonvolatile_store         : NonvolatileStore<store>;
    484 def nonvolatile_truncstorei8  : NonvolatileStore<truncstorei8>;
    485 def nonvolatile_truncstorei16 : NonvolatileStore<truncstorei16>;
    486 def nonvolatile_truncstorei32 : NonvolatileStore<truncstorei32>;
    487 
    488 // A store of a load that can be implemented using MVC.
    489 def mvc_store : PatFrag<(ops node:$value, node:$addr),
    490                         (unindexedstore node:$value, node:$addr),
    491                         [{ return storeLoadCanUseMVC(N); }]>;
    492 
    493 // Binary read-modify-write operations on memory in which the other
    494 // operand is also memory and for which block operations like NC can
    495 // be used.  There are two patterns for each operator, depending on
    496 // which operand contains the "other" load.
    497 multiclass block_op<SDPatternOperator operator> {
    498   def "1" : PatFrag<(ops node:$value, node:$addr),
    499                     (unindexedstore (operator node:$value,
    500                                               (unindexedload node:$addr)),
    501                                     node:$addr),
    502                     [{ return storeLoadCanUseBlockBinary(N, 0); }]>;
    503   def "2" : PatFrag<(ops node:$value, node:$addr),
    504                     (unindexedstore (operator (unindexedload node:$addr),
    505                                               node:$value),
    506                                     node:$addr),
    507                     [{ return storeLoadCanUseBlockBinary(N, 1); }]>;
    508 }
    509 defm block_and : block_op<and>;
    510 defm block_or  : block_op<or>;
    511 defm block_xor : block_op<xor>;
    512 
    513 // Insertions.
    514 def inserti8 : PatFrag<(ops node:$src1, node:$src2),
    515                        (or (and node:$src1, -256), node:$src2)>;
    516 def insertll : PatFrag<(ops node:$src1, node:$src2),
    517                        (or (and node:$src1, 0xffffffffffff0000), node:$src2)>;
    518 def insertlh : PatFrag<(ops node:$src1, node:$src2),
    519                        (or (and node:$src1, 0xffffffff0000ffff), node:$src2)>;
    520 def inserthl : PatFrag<(ops node:$src1, node:$src2),
    521                        (or (and node:$src1, 0xffff0000ffffffff), node:$src2)>;
    522 def inserthh : PatFrag<(ops node:$src1, node:$src2),
    523                        (or (and node:$src1, 0x0000ffffffffffff), node:$src2)>;
    524 def insertlf : PatFrag<(ops node:$src1, node:$src2),
    525                        (or (and node:$src1, 0xffffffff00000000), node:$src2)>;
    526 def inserthf : PatFrag<(ops node:$src1, node:$src2),
    527                        (or (and node:$src1, 0x00000000ffffffff), node:$src2)>;
    528 
    529 // ORs that can be treated as insertions.
    530 def or_as_inserti8 : PatFrag<(ops node:$src1, node:$src2),
    531                              (or node:$src1, node:$src2), [{
    532   unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
    533   return CurDAG->MaskedValueIsZero(N->getOperand(0),
    534                                    APInt::getLowBitsSet(BitWidth, 8));
    535 }]>;
    536 
    537 // ORs that can be treated as reversed insertions.
    538 def or_as_revinserti8 : PatFrag<(ops node:$src1, node:$src2),
    539                                 (or node:$src1, node:$src2), [{
    540   unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
    541   return CurDAG->MaskedValueIsZero(N->getOperand(1),
    542                                    APInt::getLowBitsSet(BitWidth, 8));
    543 }]>;
    544 
    545 // Negative integer absolute.
    546 def z_inegabs : PatFrag<(ops node:$src), (ineg (z_iabs node:$src))>;
    547 
    548 // Integer absolute, matching the canonical form generated by DAGCombiner.
    549 def z_iabs32 : PatFrag<(ops node:$src),
    550                        (xor (add node:$src, (sra node:$src, (i32 31))),
    551                             (sra node:$src, (i32 31)))>;
    552 def z_iabs64 : PatFrag<(ops node:$src),
    553                        (xor (add node:$src, (sra node:$src, (i32 63))),
    554                             (sra node:$src, (i32 63)))>;
    555 def z_inegabs32 : PatFrag<(ops node:$src), (ineg (z_iabs32 node:$src))>;
    556 def z_inegabs64 : PatFrag<(ops node:$src), (ineg (z_iabs64 node:$src))>;
    557 
    558 // Integer multiply-and-add
    559 def z_muladd : PatFrag<(ops node:$src1, node:$src2, node:$src3),
    560                        (add (mul node:$src1, node:$src2), node:$src3)>;
    561 
    562 // Fused multiply-subtract, using the natural operand order.
    563 def fms : PatFrag<(ops node:$src1, node:$src2, node:$src3),
    564                   (fma node:$src1, node:$src2, (fneg node:$src3))>;
    565 
    566 // Fused multiply-add and multiply-subtract, but with the order of the
    567 // operands matching SystemZ's MA and MS instructions.
    568 def z_fma : PatFrag<(ops node:$src1, node:$src2, node:$src3),
    569                     (fma node:$src2, node:$src3, node:$src1)>;
    570 def z_fms : PatFrag<(ops node:$src1, node:$src2, node:$src3),
    571                     (fma node:$src2, node:$src3, (fneg node:$src1))>;
    572 
    573 // Floating-point negative absolute.
    574 def fnabs : PatFrag<(ops node:$ptr), (fneg (fabs node:$ptr))>;
    575 
    576 // Create a unary operator that loads from memory and then performs
    577 // the given operation on it.
    578 class loadu<SDPatternOperator operator, SDPatternOperator load = load>
    579   : PatFrag<(ops node:$addr), (operator (load node:$addr))>;
    580 
    581 // Create a store operator that performs the given unary operation
    582 // on the value before storing it.
    583 class storeu<SDPatternOperator operator, SDPatternOperator store = store>
    584   : PatFrag<(ops node:$value, node:$addr),
    585             (store (operator node:$value), node:$addr)>;
    586 
    587 // Vector representation of all-zeros and all-ones.
    588 def z_vzero : PatFrag<(ops), (bitconvert (v16i8 (z_byte_mask (i32 0))))>;
    589 def z_vones : PatFrag<(ops), (bitconvert (v16i8 (z_byte_mask (i32 65535))))>;
    590 
    591 // Load a scalar and replicate it in all elements of a vector.
    592 class z_replicate_load<ValueType scalartype, SDPatternOperator load>
    593   : PatFrag<(ops node:$addr),
    594             (z_replicate (scalartype (load node:$addr)))>;
    595 def z_replicate_loadi8  : z_replicate_load<i32, anyextloadi8>;
    596 def z_replicate_loadi16 : z_replicate_load<i32, anyextloadi16>;
    597 def z_replicate_loadi32 : z_replicate_load<i32, load>;
    598 def z_replicate_loadi64 : z_replicate_load<i64, load>;
    599 def z_replicate_loadf32 : z_replicate_load<f32, load>;
    600 def z_replicate_loadf64 : z_replicate_load<f64, load>;
    601 
    602 // Load a scalar and insert it into a single element of a vector.
    603 class z_vle<ValueType scalartype, SDPatternOperator load>
    604   : PatFrag<(ops node:$vec, node:$addr, node:$index),
    605             (z_vector_insert node:$vec, (scalartype (load node:$addr)),
    606                              node:$index)>;
    607 def z_vlei8  : z_vle<i32, anyextloadi8>;
    608 def z_vlei16 : z_vle<i32, anyextloadi16>;
    609 def z_vlei32 : z_vle<i32, load>;
    610 def z_vlei64 : z_vle<i64, load>;
    611 def z_vlef32 : z_vle<f32, load>;
    612 def z_vlef64 : z_vle<f64, load>;
    613 
    614 // Load a scalar and insert it into the low element of the high i64 of a
    615 // zeroed vector.
    616 class z_vllez<ValueType scalartype, SDPatternOperator load, int index>
    617   : PatFrag<(ops node:$addr),
    618             (z_vector_insert (z_vzero),
    619                              (scalartype (load node:$addr)), (i32 index))>;
    620 def z_vllezi8  : z_vllez<i32, anyextloadi8, 7>;
    621 def z_vllezi16 : z_vllez<i32, anyextloadi16, 3>;
    622 def z_vllezi32 : z_vllez<i32, load, 1>;
    623 def z_vllezi64 : PatFrag<(ops node:$addr),
    624                          (z_join_dwords (i64 (load node:$addr)), (i64 0))>;
    625 // We use high merges to form a v4f32 from four f32s.  Propagating zero
    626 // into all elements but index 1 gives this expression.
    627 def z_vllezf32 : PatFrag<(ops node:$addr),
    628                          (bitconvert
    629                           (z_merge_high
    630                            (v2i64
    631                             (z_unpackl_high
    632                              (v4i32
    633                               (bitconvert
    634                                (v4f32 (scalar_to_vector
    635                                        (f32 (load node:$addr)))))))),
    636                            (v2i64 (z_vzero))))>;
    637 def z_vllezf64 : PatFrag<(ops node:$addr),
    638                          (z_merge_high
    639                           (scalar_to_vector (f64 (load node:$addr))),
    640                           (z_vzero))>;
    641 
    642 // Store one element of a vector.
    643 class z_vste<ValueType scalartype, SDPatternOperator store>
    644   : PatFrag<(ops node:$vec, node:$addr, node:$index),
    645             (store (scalartype (z_vector_extract node:$vec, node:$index)),
    646                    node:$addr)>;
    647 def z_vstei8  : z_vste<i32, truncstorei8>;
    648 def z_vstei16 : z_vste<i32, truncstorei16>;
    649 def z_vstei32 : z_vste<i32, store>;
    650 def z_vstei64 : z_vste<i64, store>;
    651 def z_vstef32 : z_vste<f32, store>;
    652 def z_vstef64 : z_vste<f64, store>;
    653 
    654 // Arithmetic negation on vectors.
    655 def z_vneg : PatFrag<(ops node:$x), (sub (z_vzero), node:$x)>;
    656 
    657 // Bitwise negation on vectors.
    658 def z_vnot : PatFrag<(ops node:$x), (xor node:$x, (z_vones))>;
    659 
    660 // Signed "integer greater than zero" on vectors.
    661 def z_vicmph_zero : PatFrag<(ops node:$x), (z_vicmph node:$x, (z_vzero))>;
    662 
    663 // Signed "integer less than zero" on vectors.
    664 def z_vicmpl_zero : PatFrag<(ops node:$x), (z_vicmph (z_vzero), node:$x)>;
    665 
    666 // Integer absolute on vectors.
    667 class z_viabs<int shift>
    668   : PatFrag<(ops node:$src),
    669             (xor (add node:$src, (z_vsra_by_scalar node:$src, (i32 shift))),
    670                  (z_vsra_by_scalar node:$src, (i32 shift)))>;
    671 def z_viabs8  : z_viabs<7>;
    672 def z_viabs16 : z_viabs<15>;
    673 def z_viabs32 : z_viabs<31>;
    674 def z_viabs64 : z_viabs<63>;
    675 
    676 // Sign-extend the i64 elements of a vector.
    677 class z_vse<int shift>
    678   : PatFrag<(ops node:$src),
    679             (z_vsra_by_scalar (z_vshl_by_scalar node:$src, shift), shift)>;
    680 def z_vsei8  : z_vse<56>;
    681 def z_vsei16 : z_vse<48>;
    682 def z_vsei32 : z_vse<32>;
    683 
    684 // ...and again with the extensions being done on individual i64 scalars.
    685 class z_vse_by_parts<SDPatternOperator operator, int index1, int index2>
    686   : PatFrag<(ops node:$src),
    687             (z_join_dwords
    688              (operator (z_vector_extract node:$src, index1)),
    689              (operator (z_vector_extract node:$src, index2)))>;
    690 def z_vsei8_by_parts  : z_vse_by_parts<sext8dbl, 7, 15>;
    691 def z_vsei16_by_parts : z_vse_by_parts<sext16dbl, 3, 7>;
    692 def z_vsei32_by_parts : z_vse_by_parts<sext32, 1, 3>;
    693