llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-unmerge-values.mir

   1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
   2 # RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=instruction-select -global-isel-abort=2 -pass-remarks-missed='gisel*'  -o - %s | FileCheck -check-prefix=GCN  %s
   3
   4 ---
   5 name: test_unmerge_values_v_s32_v_s32_v_s64
   6 legalized:       true
   7 regBankSelected: true
   8 tracksRegLiveness: true
   9
  10 body: |
  11   bb.0:
  12     liveins: $vgpr0_vgpr1
  13
  14     ; GCN-LABEL: name: test_unmerge_values_v_s32_v_s32_v_s64
  15     ; GCN: liveins: $vgpr0_vgpr1
  16     ; GCN: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
  17     ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub0
  18     ; GCN: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub1
  19     ; GCN: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
  20     %0:vgpr(s64) = COPY $vgpr0_vgpr1
  21     %1:vgpr(s32), %2:vgpr(s32) = G_UNMERGE_VALUES %0
  22     S_ENDPGM 0, implicit %1, implicit %2
  23 ...
  24
  25 ---
  26 name: test_unmerge_values_s_s32_s_s32_s_s64
  27 legalized:       true
  28 regBankSelected: true
  29 tracksRegLiveness: true
  30
  31 body: |
  32   bb.0:
  33     liveins: $sgpr0_sgpr1
  34
  35     ; GCN-LABEL: name: test_unmerge_values_s_s32_s_s32_s_s64
  36     ; GCN: liveins: $sgpr0_sgpr1
  37     ; GCN: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
  38     ; GCN: [[COPY1:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub0
  39     ; GCN: [[COPY2:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub1
  40     ; GCN: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
  41     %0:sgpr(s64) = COPY $sgpr0_sgpr1
  42     %1:sgpr(s32), %2:sgpr(s32) = G_UNMERGE_VALUES %0
  43     S_ENDPGM 0, implicit %1, implicit %2
  44 ...
  45
  46 ---
  47 name: test_unmerge_values_v_s32_s_s32_s_s64
  48 legalized:       true
  49 regBankSelected: true
  50 tracksRegLiveness: true
  51
  52 body: |
  53   bb.0:
  54     liveins: $sgpr0_sgpr1
  55
  56     ; GCN-LABEL: name: test_unmerge_values_v_s32_s_s32_s_s64
  57     ; GCN: liveins: $sgpr0_sgpr1
  58     ; GCN: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
  59     ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub0
  60     ; GCN: [[COPY2:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub1
  61     ; GCN: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
  62     %0:sgpr(s64) = COPY $sgpr0_sgpr1
  63     %1:vgpr(s32), %2:sgpr(s32) = G_UNMERGE_VALUES %0
  64     S_ENDPGM 0, implicit %1, implicit %2
  65 ...
  66
  67 ---
  68 name: test_unmerge_values_s_s32_v_s32_s_s64
  69 legalized:       true
  70 regBankSelected: true
  71 tracksRegLiveness: true
  72
  73 body: |
  74   bb.0:
  75     liveins: $sgpr0_sgpr1
  76
  77     ; GCN-LABEL: name: test_unmerge_values_s_s32_v_s32_s_s64
  78     ; GCN: liveins: $sgpr0_sgpr1
  79     ; GCN: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
  80     ; GCN: [[COPY1:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub0
  81     ; GCN: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub1
  82     ; GCN: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
  83     %0:sgpr(s64) = COPY $sgpr0_sgpr1
  84     %1:sgpr(s32), %2:vgpr(s32) = G_UNMERGE_VALUES %0
  85     S_ENDPGM 0, implicit %1, implicit %2
  86 ...
  87
  88 ---
  89 name: test_unmerge_values_s_s32_s_s32_s32_s_s96
  90 legalized:       true
  91 regBankSelected: true
  92 tracksRegLiveness: true
  93
  94 body: |
  95   bb.0:
  96     liveins: $sgpr0_sgpr1_sgpr2
  97
  98     ; GCN-LABEL: name: test_unmerge_values_s_s32_s_s32_s32_s_s96
  99     ; GCN: liveins: $sgpr0_sgpr1_sgpr2
 100     ; GCN: [[COPY:%[0-9]+]]:sgpr_96 = COPY $sgpr0_sgpr1_sgpr2
 101     ; GCN: [[COPY1:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub0
 102     ; GCN: [[COPY2:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub1
 103     ; GCN: [[COPY3:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub2
 104     ; GCN: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]], implicit [[COPY3]]
 105     %0:sgpr(s96) = COPY $sgpr0_sgpr1_sgpr2
 106     %1:sgpr(s32), %2:sgpr(s32), %3:sgpr(s32) = G_UNMERGE_VALUES %0
 107     S_ENDPGM 0, implicit %1, implicit %2, implicit %3
 108 ...
 109
 110 ---
 111 name: test_unmerge_values_s_s32_s_s32_s32_s_s32_s_s128
 112 legalized:       true
 113 regBankSelected: true
 114 tracksRegLiveness: true
 115
 116 body: |
 117   bb.0:
 118     liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 119
 120     ; GCN-LABEL: name: test_unmerge_values_s_s32_s_s32_s32_s_s32_s_s128
 121     ; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 122     ; GCN: [[COPY:%[0-9]+]]:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
 123     ; GCN: [[COPY1:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub0
 124     ; GCN: [[COPY2:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub1
 125     ; GCN: [[COPY3:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub2
 126     ; GCN: [[COPY4:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub3
 127     ; GCN: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]], implicit [[COPY3]], implicit [[COPY4]]
 128     %0:sgpr(s128) = COPY $sgpr0_sgpr1_sgpr2_sgpr3
 129     %1:sgpr(s32), %2:sgpr(s32), %3:sgpr(s32), %4:sgpr(s32) = G_UNMERGE_VALUES %0
 130     S_ENDPGM 0, implicit %1, implicit %2, implicit %3, implicit %4
 131 ...
 132
 133 ---
 134 name: test_unmerge_values_s_s64_s_s64_s_s128
 135 legalized:       true
 136 regBankSelected: true
 137 tracksRegLiveness: true
 138
 139 body: |
 140   bb.0:
 141     liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 142
 143     ; GCN-LABEL: name: test_unmerge_values_s_s64_s_s64_s_s128
 144     ; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 145     ; GCN: [[COPY:%[0-9]+]]:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
 146     ; GCN: [[COPY1:%[0-9]+]]:sreg_64 = COPY [[COPY]].sub0_sub1
 147     ; GCN: [[COPY2:%[0-9]+]]:sreg_64 = COPY [[COPY]].sub2_sub3
 148     ; GCN: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
 149     %0:sgpr(s128) = COPY $sgpr0_sgpr1_sgpr2_sgpr3
 150     %1:sgpr(s64), %2:sgpr(s64) = G_UNMERGE_VALUES %0
 151     S_ENDPGM 0, implicit %1, implicit %2
 152 ...
 153
 154 ---
 155 name: test_unmerge_values_s_s64_s_s64_s64_s_s192
 156 legalized:       true
 157 regBankSelected: true
 158 tracksRegLiveness: true
 159
 160 body: |
 161   bb.0:
 162     liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 163
 164     ; GCN-LABEL: name: test_unmerge_values_s_s64_s_s64_s64_s_s192
 165     ; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 166     ; GCN: [[DEF:%[0-9]+]]:sgpr_192 = IMPLICIT_DEF
 167     ; GCN: [[COPY:%[0-9]+]]:sreg_64 = COPY [[DEF]].sub0_sub1
 168     ; GCN: [[COPY1:%[0-9]+]]:sreg_64 = COPY [[DEF]].sub2_sub3
 169     ; GCN: [[COPY2:%[0-9]+]]:sreg_64 = COPY [[DEF]].sub4_sub5
 170     ; GCN: S_ENDPGM 0, implicit [[COPY]], implicit [[COPY1]], implicit [[COPY2]]
 171     %0:sgpr(s192) = G_IMPLICIT_DEF
 172     %1:sgpr(s64), %2:sgpr(s64), %3:sgpr(s64) = G_UNMERGE_VALUES %0
 173     S_ENDPGM 0, implicit %1, implicit %2, implicit %3
 174 ...
 175
 176 ---
 177 name: test_unmerge_values_rc_set_def_v_s32_v_s32_v_s64
 178 legalized:       true
 179 regBankSelected: true
 180 tracksRegLiveness: true
 181
 182 body: |
 183   bb.0:
 184     liveins: $vgpr0_vgpr1
 185
 186     ; GCN-LABEL: name: test_unmerge_values_rc_set_def_v_s32_v_s32_v_s64
 187     ; GCN: liveins: $vgpr0_vgpr1
 188     ; GCN: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
 189     ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub0
 190     ; GCN: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub1
 191     ; GCN: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
 192     %0:vgpr(s64) = COPY $vgpr0_vgpr1
 193     %1:vgpr_32(s32), %2:vgpr_32(s32) = G_UNMERGE_VALUES %0
 194     S_ENDPGM 0, implicit %1, implicit %2
 195 ...
 196
 197 ---
 198 name: test_unmerge_values_rc_set_use_v_s32_v_s32_v_s64
 199 legalized:       true
 200 regBankSelected: true
 201 tracksRegLiveness: true
 202
 203 body: |
 204   bb.0:
 205     liveins: $vgpr0_vgpr1
 206
 207     ; GCN-LABEL: name: test_unmerge_values_rc_set_use_v_s32_v_s32_v_s64
 208     ; GCN: liveins: $vgpr0_vgpr1
 209     ; GCN: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
 210     ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub0
 211     ; GCN: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub1
 212     ; GCN: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
 213     %0:vreg_64(s64) = COPY $vgpr0_vgpr1
 214     %1:vgpr(s32), %2:vgpr(s32) = G_UNMERGE_VALUES %0
 215     S_ENDPGM 0, implicit %1, implicit %2
 216 ...
 217
 218 ---
 219 name: test_unmerge_values_s_s256_s_s1024
 220 legalized:       true
 221 regBankSelected: true
 222 tracksRegLiveness: true
 223
 224 body: |
 225   bb.0:
 226     liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 227
 228     ; GCN-LABEL: name: test_unmerge_values_s_s256_s_s1024
 229     ; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 230     ; GCN: [[DEF:%[0-9]+]]:sgpr_1024 = IMPLICIT_DEF
 231     ; GCN: [[COPY:%[0-9]+]]:sgpr_256 = COPY [[DEF]].sub0_sub1_sub2_sub3_sub4_sub5_sub6_sub7
 232     ; GCN: [[COPY1:%[0-9]+]]:sgpr_256 = COPY [[DEF]].sub8_sub9_sub10_sub11_sub12_sub13_sub14_sub15
 233     ; GCN: [[COPY2:%[0-9]+]]:sgpr_256 = COPY [[DEF]].sub16_sub17_sub18_sub19_sub20_sub21_sub22_sub23
 234     ; GCN: [[COPY3:%[0-9]+]]:sgpr_256 = COPY [[DEF]].sub24_sub25_sub26_sub27_sub28_sub29_sub30_sub31
 235     ; GCN: S_ENDPGM 0, implicit [[COPY]], implicit [[COPY1]], implicit [[COPY2]], implicit [[COPY3]]
 236     %0:sgpr(s1024) = G_IMPLICIT_DEF
 237     %1:sgpr(s256), %2:sgpr(s256), %3:sgpr(s256), %4:sgpr(s256) = G_UNMERGE_VALUES %0
 238     S_ENDPGM 0, implicit %1, implicit %2, implicit %3, implicit %4
 239 ...
 240
 241 ---
 242
 243 name: test_unmerge_values_s_s512_s_s1024
 244 legalized:       true
 245 regBankSelected: true
 246 tracksRegLiveness: true
 247
 248 body: |
 249   bb.0:
 250     liveins:  $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
 251
 252     ; CHECK-LABEL: name: test_unmerge_s512_s1024
 253     ; CHECK: [[COPY:%[0-9]+]]:_(s1024) = COPY $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
 254     ; CHECK: [[UV:%[0-9]+]]:_(s512), [[UV1:%[0-9]+]]:_(s512) = G_UNMERGE_VALUES [[COPY]](s1024)
 255     ; CHECK: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY [[UV]](s512)
 256     ; CHECK: $sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31 = COPY [[UV1]](s512)
 257     ; GCN-LABEL: name: test_unmerge_values_s_s512_s_s1024
 258     ; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
 259     ; GCN: [[COPY:%[0-9]+]]:sgpr_1024 = COPY $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
 260     ; GCN: [[COPY1:%[0-9]+]]:sgpr_512 = COPY [[COPY]].sub0_sub1_sub2_sub3_sub4_sub5_sub6_sub7_sub8_sub9_sub10_sub11_sub12_sub13_sub14_sub15
 261     ; GCN: [[COPY2:%[0-9]+]]:sgpr_512 = COPY [[COPY]].sub16_sub17_sub18_sub19_sub20_sub21_sub22_sub23_sub24_sub25_sub26_sub27_sub28_sub29_sub30_sub31
 262     ; GCN: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY [[COPY1]]
 263     ; GCN: $sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31 = COPY [[COPY2]]
 264     %0:sgpr(s1024) = COPY $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15_sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31
 265     %1:sgpr(s512), %2:sgpr(s512) = G_UNMERGE_VALUES %0
 266     $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY %1
 267     $sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31 = COPY %2
 268 ...
 269
 270 ---
 271 name: test_unmerge_s_v3s32_s_v12s32
 272 legalized:       true
 273 regBankSelected: true
 274 tracksRegLiveness: true
 275
 276 body: |
 277   bb.0:
 278     liveins: $sgpr0_sgpr1_sgpr2, $sgpr3_sgpr4_sgpr5, $sgpr6_sgpr7_sgpr8, $sgpr9_sgpr10_sgpr11
 279
 280     ; GCN-LABEL: name: test_unmerge_s_v3s32_s_v12s32
 281     ; GCN: liveins: $sgpr0_sgpr1_sgpr2, $sgpr3_sgpr4_sgpr5, $sgpr6_sgpr7_sgpr8, $sgpr9_sgpr10_sgpr11
 282     ; GCN: [[COPY:%[0-9]+]]:sgpr_96 = COPY $sgpr0_sgpr1_sgpr2
 283     ; GCN: [[COPY1:%[0-9]+]]:sgpr_96 = COPY $sgpr3_sgpr4_sgpr5
 284     ; GCN: [[COPY2:%[0-9]+]]:sgpr_96 = COPY $sgpr6_sgpr7_sgpr8
 285     ; GCN: [[COPY3:%[0-9]+]]:sgpr_96 = COPY $sgpr9_sgpr10_sgpr11
 286     ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sgpr_512_with_sub0_sub1_sub2 = REG_SEQUENCE [[COPY]], %subreg.sub0_sub1_sub2, [[COPY1]], %subreg.sub3_sub4_sub5, [[COPY2]], %subreg.sub6_sub7_sub8, [[COPY3]], %subreg.sub9_sub10_sub11
 287     ; GCN: [[COPY4:%[0-9]+]]:sgpr_96 = COPY [[REG_SEQUENCE]].sub0_sub1_sub2
 288     ; GCN: [[COPY5:%[0-9]+]]:sgpr_96 = COPY [[REG_SEQUENCE]].sub3_sub4_sub5
 289     ; GCN: [[COPY6:%[0-9]+]]:sgpr_96 = COPY [[REG_SEQUENCE]].sub6_sub7_sub8
 290     ; GCN: [[COPY7:%[0-9]+]]:sgpr_96 = COPY [[REG_SEQUENCE]].sub9_sub10_sub11
 291     ; GCN: $sgpr0_sgpr1_sgpr2 = COPY [[COPY4]]
 292     ; GCN: $sgpr3_sgpr4_sgpr5 = COPY [[COPY5]]
 293     ; GCN: $sgpr6_sgpr7_sgpr8 = COPY [[COPY6]]
 294     ; GCN: $sgpr9_sgpr10_sgpr11 = COPY [[COPY7]]
 295     %0:sgpr(<3 x s32>) = COPY $sgpr0_sgpr1_sgpr2
 296     %1:sgpr(<3 x s32>) = COPY $sgpr3_sgpr4_sgpr5
 297     %2:sgpr(<3 x s32>) = COPY $sgpr6_sgpr7_sgpr8
 298     %3:sgpr(<3 x s32>) = COPY $sgpr9_sgpr10_sgpr11
 299     %4:sgpr(<12 x s32>) = G_CONCAT_VECTORS %0, %1, %2, %3
 300     %5:sgpr(<3 x s32>), %6:sgpr(<3 x s32>), %7:sgpr(<3 x s32>), %8:sgpr(<3 x s32>) = G_UNMERGE_VALUES %4
 301     $sgpr0_sgpr1_sgpr2 = COPY %5
 302     $sgpr3_sgpr4_sgpr5 = COPY %6
 303     $sgpr6_sgpr7_sgpr8 = COPY %7
 304     $sgpr9_sgpr10_sgpr11 = COPY %8
 305
 306 ...
 307
 308 ---
 309 name: test_unmerge_v_v3s32_v_v12s32
 310 legalized:       true
 311 regBankSelected: true
 312 tracksRegLiveness: true
 313 body: |
 314   bb.0:
 315     liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5, $vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11
 316
 317     ; GCN-LABEL: name: test_unmerge_v_v3s32_v_v12s32
 318     ; GCN: liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5, $vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11
 319     ; GCN: [[COPY:%[0-9]+]]:vreg_192 = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5
 320     ; GCN: [[COPY1:%[0-9]+]]:vreg_192 = COPY $vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11
 321     ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_512 = REG_SEQUENCE [[COPY]], %subreg.sub0_sub1_sub2_sub3_sub4_sub5, [[COPY1]], %subreg.sub6_sub7_sub8_sub9_sub10_sub11
 322     ; GCN: [[COPY2:%[0-9]+]]:vreg_96 = COPY [[REG_SEQUENCE]].sub0_sub1_sub2
 323     ; GCN: [[COPY3:%[0-9]+]]:vreg_96 = COPY [[REG_SEQUENCE]].sub3_sub4_sub5
 324     ; GCN: [[COPY4:%[0-9]+]]:vreg_96 = COPY [[REG_SEQUENCE]].sub6_sub7_sub8
 325     ; GCN: [[COPY5:%[0-9]+]]:vreg_96 = COPY [[REG_SEQUENCE]].sub9_sub10_sub11
 326     ; GCN: $vgpr0_vgpr1_vgpr2 = COPY [[COPY2]]
 327     ; GCN: $vgpr3_vgpr4_vgpr5 = COPY [[COPY3]]
 328     ; GCN: $vgpr6_vgpr7_vgpr8 = COPY [[COPY4]]
 329     ; GCN: $vgpr9_vgpr10_vgpr11 = COPY [[COPY5]]
 330     %0:vgpr(<6 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5
 331     %1:vgpr(<6 x s32>) = COPY $vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11
 332     %2:vgpr(<12 x s32>) = G_CONCAT_VECTORS %0, %1
 333     %3:vgpr(<3 x s32>), %4:vgpr(<3 x s32>), %5:vgpr(<3 x s32>), %6:vgpr(<3 x s32>) = G_UNMERGE_VALUES %2
 334     $vgpr0_vgpr1_vgpr2 = COPY %3
 335     $vgpr3_vgpr4_vgpr5 = COPY %4
 336     $vgpr6_vgpr7_vgpr8 = COPY %5
 337     $vgpr9_vgpr10_vgpr11 = COPY %6
 338
 339 ...