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-NEXT: {{  $}}
  17     ; GCN-NEXT: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
  18     ; GCN-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub0
  19     ; GCN-NEXT: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub1
  20     ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
  21     %0:vgpr(s64) = COPY $vgpr0_vgpr1
  22     %1:vgpr(s32), %2:vgpr(s32) = G_UNMERGE_VALUES %0
  23     S_ENDPGM 0, implicit %1, implicit %2
  24 ...
  25
  26 ---
  27 name: test_unmerge_values_s_s32_s_s32_s_s64
  28 legalized:       true
  29 regBankSelected: true
  30 tracksRegLiveness: true
  31
  32 body: |
  33   bb.0:
  34     liveins: $sgpr0_sgpr1
  35
  36     ; GCN-LABEL: name: test_unmerge_values_s_s32_s_s32_s_s64
  37     ; GCN: liveins: $sgpr0_sgpr1
  38     ; GCN-NEXT: {{  $}}
  39     ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
  40     ; GCN-NEXT: [[COPY1:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub0
  41     ; GCN-NEXT: [[COPY2:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub1
  42     ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
  43     %0:sgpr(s64) = COPY $sgpr0_sgpr1
  44     %1:sgpr(s32), %2:sgpr(s32) = G_UNMERGE_VALUES %0
  45     S_ENDPGM 0, implicit %1, implicit %2
  46 ...
  47
  48 ---
  49 name: test_unmerge_values_v_s32_s_s32_s_s64
  50 legalized:       true
  51 regBankSelected: true
  52 tracksRegLiveness: true
  53
  54 body: |
  55   bb.0:
  56     liveins: $sgpr0_sgpr1
  57
  58     ; GCN-LABEL: name: test_unmerge_values_v_s32_s_s32_s_s64
  59     ; GCN: liveins: $sgpr0_sgpr1
  60     ; GCN-NEXT: {{  $}}
  61     ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
  62     ; GCN-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub0
  63     ; GCN-NEXT: [[COPY2:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub1
  64     ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
  65     %0:sgpr(s64) = COPY $sgpr0_sgpr1
  66     %1:vgpr(s32), %2:sgpr(s32) = G_UNMERGE_VALUES %0
  67     S_ENDPGM 0, implicit %1, implicit %2
  68 ...
  69
  70 ---
  71 name: test_unmerge_values_s_s32_v_s32_s_s64
  72 legalized:       true
  73 regBankSelected: true
  74 tracksRegLiveness: true
  75
  76 body: |
  77   bb.0:
  78     liveins: $sgpr0_sgpr1
  79
  80     ; GCN-LABEL: name: test_unmerge_values_s_s32_v_s32_s_s64
  81     ; GCN: liveins: $sgpr0_sgpr1
  82     ; GCN-NEXT: {{  $}}
  83     ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1
  84     ; GCN-NEXT: [[COPY1:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub0
  85     ; GCN-NEXT: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub1
  86     ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
  87     %0:sgpr(s64) = COPY $sgpr0_sgpr1
  88     %1:sgpr(s32), %2:vgpr(s32) = G_UNMERGE_VALUES %0
  89     S_ENDPGM 0, implicit %1, implicit %2
  90 ...
  91
  92 ---
  93 name: test_unmerge_values_s_s32_s_s32_s32_s_s96
  94 legalized:       true
  95 regBankSelected: true
  96 tracksRegLiveness: true
  97
  98 body: |
  99   bb.0:
 100     liveins: $sgpr0_sgpr1_sgpr2
 101
 102     ; GCN-LABEL: name: test_unmerge_values_s_s32_s_s32_s32_s_s96
 103     ; GCN: liveins: $sgpr0_sgpr1_sgpr2
 104     ; GCN-NEXT: {{  $}}
 105     ; GCN-NEXT: [[COPY:%[0-9]+]]:sgpr_96 = COPY $sgpr0_sgpr1_sgpr2
 106     ; GCN-NEXT: [[COPY1:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub0
 107     ; GCN-NEXT: [[COPY2:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub1
 108     ; GCN-NEXT: [[COPY3:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub2
 109     ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]], implicit [[COPY3]]
 110     %0:sgpr(s96) = COPY $sgpr0_sgpr1_sgpr2
 111     %1:sgpr(s32), %2:sgpr(s32), %3:sgpr(s32) = G_UNMERGE_VALUES %0
 112     S_ENDPGM 0, implicit %1, implicit %2, implicit %3
 113 ...
 114
 115 ---
 116 name: test_unmerge_values_s_s32_s_s32_s32_s_s32_s_s128
 117 legalized:       true
 118 regBankSelected: true
 119 tracksRegLiveness: true
 120
 121 body: |
 122   bb.0:
 123     liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 124
 125     ; GCN-LABEL: name: test_unmerge_values_s_s32_s_s32_s32_s_s32_s_s128
 126     ; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 127     ; GCN-NEXT: {{  $}}
 128     ; GCN-NEXT: [[COPY:%[0-9]+]]:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
 129     ; GCN-NEXT: [[COPY1:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub0
 130     ; GCN-NEXT: [[COPY2:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub1
 131     ; GCN-NEXT: [[COPY3:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub2
 132     ; GCN-NEXT: [[COPY4:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub3
 133     ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]], implicit [[COPY3]], implicit [[COPY4]]
 134     %0:sgpr(s128) = COPY $sgpr0_sgpr1_sgpr2_sgpr3
 135     %1:sgpr(s32), %2:sgpr(s32), %3:sgpr(s32), %4:sgpr(s32) = G_UNMERGE_VALUES %0
 136     S_ENDPGM 0, implicit %1, implicit %2, implicit %3, implicit %4
 137 ...
 138
 139 ---
 140 name: test_unmerge_values_s_s64_s_s64_s_s128
 141 legalized:       true
 142 regBankSelected: true
 143 tracksRegLiveness: true
 144
 145 body: |
 146   bb.0:
 147     liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 148
 149     ; GCN-LABEL: name: test_unmerge_values_s_s64_s_s64_s_s128
 150     ; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 151     ; GCN-NEXT: {{  $}}
 152     ; GCN-NEXT: [[COPY:%[0-9]+]]:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
 153     ; GCN-NEXT: [[COPY1:%[0-9]+]]:sreg_64 = COPY [[COPY]].sub0_sub1
 154     ; GCN-NEXT: [[COPY2:%[0-9]+]]:sreg_64 = COPY [[COPY]].sub2_sub3
 155     ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
 156     %0:sgpr(s128) = COPY $sgpr0_sgpr1_sgpr2_sgpr3
 157     %1:sgpr(s64), %2:sgpr(s64) = G_UNMERGE_VALUES %0
 158     S_ENDPGM 0, implicit %1, implicit %2
 159 ...
 160
 161 ---
 162 name: test_unmerge_values_s_s64_s_s64_s64_s_s192
 163 legalized:       true
 164 regBankSelected: true
 165 tracksRegLiveness: true
 166
 167 body: |
 168   bb.0:
 169     liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 170
 171     ; GCN-LABEL: name: test_unmerge_values_s_s64_s_s64_s64_s_s192
 172     ; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 173     ; GCN-NEXT: {{  $}}
 174     ; GCN-NEXT: [[DEF:%[0-9]+]]:sgpr_192 = IMPLICIT_DEF
 175     ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64 = COPY [[DEF]].sub0_sub1
 176     ; GCN-NEXT: [[COPY1:%[0-9]+]]:sreg_64 = COPY [[DEF]].sub2_sub3
 177     ; GCN-NEXT: [[COPY2:%[0-9]+]]:sreg_64 = COPY [[DEF]].sub4_sub5
 178     ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY]], implicit [[COPY1]], implicit [[COPY2]]
 179     %0:sgpr(s192) = G_IMPLICIT_DEF
 180     %1:sgpr(s64), %2:sgpr(s64), %3:sgpr(s64) = G_UNMERGE_VALUES %0
 181     S_ENDPGM 0, implicit %1, implicit %2, implicit %3
 182 ...
 183
 184 ---
 185 name: test_unmerge_values_rc_set_def_v_s32_v_s32_v_s64
 186 legalized:       true
 187 regBankSelected: true
 188 tracksRegLiveness: true
 189
 190 body: |
 191   bb.0:
 192     liveins: $vgpr0_vgpr1
 193
 194     ; GCN-LABEL: name: test_unmerge_values_rc_set_def_v_s32_v_s32_v_s64
 195     ; GCN: liveins: $vgpr0_vgpr1
 196     ; GCN-NEXT: {{  $}}
 197     ; GCN-NEXT: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
 198     ; GCN-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub0
 199     ; GCN-NEXT: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub1
 200     ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
 201     %0:vgpr(s64) = COPY $vgpr0_vgpr1
 202     %1:vgpr_32(s32), %2:vgpr_32(s32) = G_UNMERGE_VALUES %0
 203     S_ENDPGM 0, implicit %1, implicit %2
 204 ...
 205
 206 ---
 207 name: test_unmerge_values_rc_set_use_v_s32_v_s32_v_s64
 208 legalized:       true
 209 regBankSelected: true
 210 tracksRegLiveness: true
 211
 212 body: |
 213   bb.0:
 214     liveins: $vgpr0_vgpr1
 215
 216     ; GCN-LABEL: name: test_unmerge_values_rc_set_use_v_s32_v_s32_v_s64
 217     ; GCN: liveins: $vgpr0_vgpr1
 218     ; GCN-NEXT: {{  $}}
 219     ; GCN-NEXT: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
 220     ; GCN-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub0
 221     ; GCN-NEXT: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[COPY]].sub1
 222     ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY1]], implicit [[COPY2]]
 223     %0:vreg_64(s64) = COPY $vgpr0_vgpr1
 224     %1:vgpr(s32), %2:vgpr(s32) = G_UNMERGE_VALUES %0
 225     S_ENDPGM 0, implicit %1, implicit %2
 226 ...
 227
 228 ---
 229 name: test_unmerge_values_s_s256_s_s1024
 230 legalized:       true
 231 regBankSelected: true
 232 tracksRegLiveness: true
 233
 234 body: |
 235   bb.0:
 236     liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 237
 238     ; GCN-LABEL: name: test_unmerge_values_s_s256_s_s1024
 239     ; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3
 240     ; GCN-NEXT: {{  $}}
 241     ; GCN-NEXT: [[DEF:%[0-9]+]]:sgpr_1024 = IMPLICIT_DEF
 242     ; GCN-NEXT: [[COPY:%[0-9]+]]:sgpr_256 = COPY [[DEF]].sub0_sub1_sub2_sub3_sub4_sub5_sub6_sub7
 243     ; GCN-NEXT: [[COPY1:%[0-9]+]]:sgpr_256 = COPY [[DEF]].sub8_sub9_sub10_sub11_sub12_sub13_sub14_sub15
 244     ; GCN-NEXT: [[COPY2:%[0-9]+]]:sgpr_256 = COPY [[DEF]].sub16_sub17_sub18_sub19_sub20_sub21_sub22_sub23
 245     ; GCN-NEXT: [[COPY3:%[0-9]+]]:sgpr_256 = COPY [[DEF]].sub24_sub25_sub26_sub27_sub28_sub29_sub30_sub31
 246     ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY]], implicit [[COPY1]], implicit [[COPY2]], implicit [[COPY3]]
 247     %0:sgpr(s1024) = G_IMPLICIT_DEF
 248     %1:sgpr(s256), %2:sgpr(s256), %3:sgpr(s256), %4:sgpr(s256) = G_UNMERGE_VALUES %0
 249     S_ENDPGM 0, implicit %1, implicit %2, implicit %3, implicit %4
 250 ...
 251
 252 ---
 253
 254 name: test_unmerge_values_s_s512_s_s1024
 255 legalized:       true
 256 regBankSelected: true
 257 tracksRegLiveness: true
 258
 259 body: |
 260   bb.0:
 261     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
 262
 263     ; GCN-LABEL: name: test_unmerge_values_s_s512_s_s1024
 264     ; 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
 265     ; GCN-NEXT: {{  $}}
 266     ; GCN-NEXT: [[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
 267     ; GCN-NEXT: [[COPY1:%[0-9]+]]:sgpr_512 = COPY [[COPY]].sub0_sub1_sub2_sub3_sub4_sub5_sub6_sub7_sub8_sub9_sub10_sub11_sub12_sub13_sub14_sub15
 268     ; GCN-NEXT: [[COPY2:%[0-9]+]]:sgpr_512 = COPY [[COPY]].sub16_sub17_sub18_sub19_sub20_sub21_sub22_sub23_sub24_sub25_sub26_sub27_sub28_sub29_sub30_sub31
 269     ; GCN-NEXT: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY [[COPY1]]
 270     ; GCN-NEXT: $sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31 = COPY [[COPY2]]
 271     %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
 272     %1:sgpr(s512), %2:sgpr(s512) = G_UNMERGE_VALUES %0
 273     $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY %1
 274     $sgpr16_sgpr17_sgpr18_sgpr19_sgpr20_sgpr21_sgpr22_sgpr23_sgpr24_sgpr25_sgpr26_sgpr27_sgpr28_sgpr29_sgpr30_sgpr31 = COPY %2
 275 ...
 276
 277 ---
 278 name: test_unmerge_s_v3s32_s_v12s32
 279 legalized:       true
 280 regBankSelected: true
 281 tracksRegLiveness: true
 282
 283 body: |
 284   bb.0:
 285     liveins: $sgpr0_sgpr1_sgpr2, $sgpr4_sgpr5_sgpr6, $sgpr8_sgpr9_sgpr10, $sgpr12_sgpr13_sgpr14
 286
 287     ; GCN-LABEL: name: test_unmerge_s_v3s32_s_v12s32
 288     ; GCN: liveins: $sgpr0_sgpr1_sgpr2, $sgpr4_sgpr5_sgpr6, $sgpr8_sgpr9_sgpr10, $sgpr12_sgpr13_sgpr14
 289     ; GCN-NEXT: {{  $}}
 290     ; GCN-NEXT: [[COPY:%[0-9]+]]:sgpr(<3 x s32>) = COPY $sgpr0_sgpr1_sgpr2
 291     ; GCN-NEXT: [[COPY1:%[0-9]+]]:sgpr(<3 x s32>) = COPY $sgpr4_sgpr5_sgpr6
 292     ; GCN-NEXT: [[COPY2:%[0-9]+]]:sgpr(<3 x s32>) = COPY $sgpr8_sgpr9_sgpr10
 293     ; GCN-NEXT: [[COPY3:%[0-9]+]]:sgpr(<3 x s32>) = COPY $sgpr12_sgpr13_sgpr14
 294     ; GCN-NEXT: [[CONCAT_VECTORS:%[0-9]+]]:sgpr_384(<12 x s32>) = G_CONCAT_VECTORS [[COPY]](<3 x s32>), [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
 295     ; GCN-NEXT: [[COPY4:%[0-9]+]]:sgpr_96(<3 x s32>) = COPY [[CONCAT_VECTORS]].sub0_sub1_sub2(<12 x s32>)
 296     ; GCN-NEXT: [[COPY5:%[0-9]+]]:sgpr_96(<3 x s32>) = COPY [[CONCAT_VECTORS]].sub3_sub4_sub5(<12 x s32>)
 297     ; GCN-NEXT: [[UV:%[0-9]+]]:sgpr_96(<3 x s32>), [[UV1:%[0-9]+]]:sgpr_96(<3 x s32>), [[UV2:%[0-9]+]]:sgpr_96(<3 x s32>), [[UV3:%[0-9]+]]:sgpr_96(<3 x s32>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s32>)
 298     ; GCN-NEXT: $sgpr0_sgpr1_sgpr2 = COPY [[UV]](<3 x s32>)
 299     ; GCN-NEXT: $sgpr4_sgpr5_sgpr6 = COPY [[UV1]](<3 x s32>)
 300     ; GCN-NEXT: $sgpr8_sgpr9_sgpr10 = COPY [[UV2]](<3 x s32>)
 301     ; GCN-NEXT: $sgpr12_sgpr13_sgpr14 = COPY [[UV3]](<3 x s32>)
 302     %0:sgpr(<3 x s32>) = COPY $sgpr0_sgpr1_sgpr2
 303     %1:sgpr(<3 x s32>) = COPY $sgpr4_sgpr5_sgpr6
 304     %2:sgpr(<3 x s32>) = COPY $sgpr8_sgpr9_sgpr10
 305     %3:sgpr(<3 x s32>) = COPY $sgpr12_sgpr13_sgpr14
 306     %4:sgpr(<12 x s32>) = G_CONCAT_VECTORS %0, %1, %2, %3
 307     %5:sgpr(<3 x s32>), %6:sgpr(<3 x s32>), %7:sgpr(<3 x s32>), %8:sgpr(<3 x s32>) = G_UNMERGE_VALUES %4
 308     $sgpr0_sgpr1_sgpr2 = COPY %5
 309     $sgpr4_sgpr5_sgpr6 = COPY %6
 310     $sgpr8_sgpr9_sgpr10 = COPY %7
 311     $sgpr12_sgpr13_sgpr14 = COPY %8
 312
 313 ...
 314
 315 ---
 316 name: test_unmerge_v_v3s32_v_v12s32
 317 legalized:       true
 318 regBankSelected: true
 319 tracksRegLiveness: true
 320 body: |
 321   bb.0:
 322     liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5, $vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11
 323
 324     ; GCN-LABEL: name: test_unmerge_v_v3s32_v_v12s32
 325     ; GCN: liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5, $vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11
 326     ; GCN-NEXT: {{  $}}
 327     ; GCN-NEXT: [[COPY:%[0-9]+]]:vreg_192 = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5
 328     ; GCN-NEXT: [[COPY1:%[0-9]+]]:vreg_192 = COPY $vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11
 329     ; GCN-NEXT: [[REG_SEQUENCE:%[0-9]+]]:vreg_384 = REG_SEQUENCE [[COPY]], %subreg.sub0_sub1_sub2_sub3_sub4_sub5, [[COPY1]], %subreg.sub6_sub7_sub8_sub9_sub10_sub11
 330     ; GCN-NEXT: [[COPY2:%[0-9]+]]:vreg_96 = COPY [[REG_SEQUENCE]].sub0_sub1_sub2
 331     ; GCN-NEXT: [[COPY3:%[0-9]+]]:vreg_96 = COPY [[REG_SEQUENCE]].sub3_sub4_sub5
 332     ; GCN-NEXT: [[COPY4:%[0-9]+]]:vreg_96 = COPY [[REG_SEQUENCE]].sub6_sub7_sub8
 333     ; GCN-NEXT: [[COPY5:%[0-9]+]]:vreg_96 = COPY [[REG_SEQUENCE]].sub9_sub10_sub11
 334     ; GCN-NEXT: $vgpr0_vgpr1_vgpr2 = COPY [[COPY2]]
 335     ; GCN-NEXT: $vgpr3_vgpr4_vgpr5 = COPY [[COPY3]]
 336     ; GCN-NEXT: $vgpr6_vgpr7_vgpr8 = COPY [[COPY4]]
 337     ; GCN-NEXT: $vgpr9_vgpr10_vgpr11 = COPY [[COPY5]]
 338     %0:vgpr(<6 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5
 339     %1:vgpr(<6 x s32>) = COPY $vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11
 340     %2:vgpr(<12 x s32>) = G_CONCAT_VECTORS %0, %1
 341     %3:vgpr(<3 x s32>), %4:vgpr(<3 x s32>), %5:vgpr(<3 x s32>), %6:vgpr(<3 x s32>) = G_UNMERGE_VALUES %2
 342     $vgpr0_vgpr1_vgpr2 = COPY %3
 343     $vgpr3_vgpr4_vgpr5 = COPY %4
 344     $vgpr6_vgpr7_vgpr8 = COPY %5
 345     $vgpr9_vgpr10_vgpr11 = COPY %6
 346
 347 ...