test/CodeGen/AMDGPU/GlobalISel/inst-select-merge-values.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs -global-isel-abort=2 -pass-remarks-missed='gisel*'  -o - %s 2> %t | FileCheck -check-prefix=GCN  %s
# RUN: FileCheck -check-prefix=ERR %s < %t


# ERR-NOT: remark:
# ERR: remark: <unknown>:0:0: cannot select: %3:sgpr(s192) = G_MERGE_VALUES %0:sgpr(s64), %1:sgpr(s64), %2:sgpr(s64) (in function: test_merge_values_s_s192_s_s64_s_s64_s_s64)
# ERR-NEXT: remark: <unknown>:0:0: cannot select: %3:vgpr(s192) = G_MERGE_VALUES %0:vgpr(s64), %1:vgpr(s64), %2:vgpr(s64) (in function: test_merge_values_v_s192_v_s64_v_s64_v_s64)
# ERR-NOT: remark:

---
name: test_merge_values_v_s64_v_s32_v_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; GCN-LABEL: name: test_merge_values_v_s64_v_s32_v_s32
    ; GCN: liveins: $vgpr0, $vgpr1
    ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1
    ; GCN: S_ENDPGM 0, implicit [[REG_SEQUENCE]]
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = COPY $vgpr1
    %2:vgpr(s64) = G_MERGE_VALUES %0, %1
    S_ENDPGM 0, implicit %2
...

---
name: test_merge_values_v_s64_s_s32_v_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0, $vgpr0

    ; GCN-LABEL: name: test_merge_values_v_s64_s_s32_v_s32
    ; GCN: liveins: $sgpr0, $vgpr0
    ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1
    ; GCN: S_ENDPGM 0, implicit [[REG_SEQUENCE]]
    %0:sgpr(s32) = COPY $sgpr0
    %1:vgpr(s32) = COPY $vgpr0
    %2:vgpr(s64) = G_MERGE_VALUES %0, %1
    S_ENDPGM 0, implicit %2
...

---
name: test_merge_values_v_s64_v_s32_s_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0, $vgpr0

    ; GCN-LABEL: name: test_merge_values_v_s64_v_s32_s_s32
    ; GCN: liveins: $sgpr0, $vgpr0
    ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1
    ; GCN: S_ENDPGM 0, implicit [[REG_SEQUENCE]]
    %0:vgpr(s32) = COPY $vgpr0
    %1:sgpr(s32) = COPY $sgpr0
    %2:vgpr(s64) = G_MERGE_VALUES %0, %1
    S_ENDPGM 0, implicit %2
...

---
name: test_merge_values_s_s64_s_s32_s_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0, $sgpr1

    ; GCN-LABEL: name: test_merge_values_s_s64_s_s32_s_s32
    ; GCN: liveins: $sgpr0, $sgpr1
    ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr1
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1
    ; GCN: S_ENDPGM 0, implicit [[REG_SEQUENCE]]
    %0:sgpr(s32) = COPY $sgpr0
    %1:sgpr(s32) = COPY $sgpr1
    %2:sgpr(s64) = G_MERGE_VALUES %0, %1
    S_ENDPGM 0, implicit %2
...

---
name: test_merge_values_s_s64_undef_s_s32_s_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0

    ; GCN-LABEL: name: test_merge_values_s_s64_undef_s_s32_s_s32
    ; GCN: liveins: $sgpr0
    ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE undef %2:sreg_32, %subreg.sub0, [[COPY]], %subreg.sub1
    ; GCN: S_ENDPGM 0, implicit [[REG_SEQUENCE]]
    %1:sgpr(s32) = COPY $sgpr0
    %2:sgpr(s64) = G_MERGE_VALUES undef %0:sgpr(s32), %1
    S_ENDPGM 0, implicit %2
...

---
name: test_merge_values_s_s64_s_s32_undef_s_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0

    ; GCN-LABEL: name: test_merge_values_s_s64_s_s32_undef_s_s32
    ; GCN: liveins: $sgpr0
    ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[COPY]], %subreg.sub0, undef %2:sreg_32, %subreg.sub1
    ; GCN: S_ENDPGM 0, implicit [[REG_SEQUENCE]]
    %0:sgpr(s32) = COPY $sgpr0
    %2:sgpr(s64) = G_MERGE_VALUES %0, undef %1:sgpr(s32),
    S_ENDPGM 0, implicit %2
...

---
name: test_merge_values_s_s96_s_s32_s_s32_s_s32
legalized:       true
regBankSelected: true

body: |
  bb.0:
    liveins: $sgpr0, $sgpr1, $sgpr2

    ; GCN-LABEL: name: test_merge_values_s_s96_s_s32_s_s32_s_s32
    ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr1
    ; GCN: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr2
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_96 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2
    ; GCN: $sgpr0_sgpr1_sgpr2 = COPY [[REG_SEQUENCE]]
    %0:sgpr(s32) = COPY $sgpr0
    %1:sgpr(s32) = COPY $sgpr1
    %2:sgpr(s32) = COPY $sgpr2
    %3:sgpr(s96) = G_MERGE_VALUES %0, %1, %2
    $sgpr0_sgpr1_sgpr2 = COPY %3
...

---
name: test_merge_values_v_s96_v_s32_v_s32_v_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $vgpr0, $vgpr1, $vgpr2

    ; GCN-LABEL: name: test_merge_values_v_s96_v_s32_v_s32_v_s32
    ; GCN: liveins: $vgpr0, $vgpr1, $vgpr2
    ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; GCN: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_96 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2
    ; GCN: $vgpr0_vgpr1_vgpr2 = COPY [[REG_SEQUENCE]]
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = COPY $vgpr1
    %2:vgpr(s32) = COPY $vgpr2
    %3:vgpr(s96) = G_MERGE_VALUES %0, %1, %2
    $vgpr0_vgpr1_vgpr2 = COPY %3
...

---
name: test_merge_values_s_s128_s_s32_s_s32_s_s32_s_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3

    ; GCN-LABEL: name: test_merge_values_s_s128_s_s32_s_s32_s_s32_s_s32
    ; GCN: liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3
    ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr1
    ; GCN: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr2
    ; GCN: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr3
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
    ; GCN: $sgpr0_sgpr1_sgpr2_sgpr3 = COPY [[REG_SEQUENCE]]
    %0:sgpr(s32) = COPY $sgpr0
    %1:sgpr(s32) = COPY $sgpr1
    %2:sgpr(s32) = COPY $sgpr2
    %3:sgpr(s32) = COPY $sgpr3
    %4:sgpr(s128) = G_MERGE_VALUES %0, %1, %2, %3
    $sgpr0_sgpr1_sgpr2_sgpr3 = COPY %4
...

---
name: test_merge_values_v_s128_v_s32_v_s32_v_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3

    ; GCN-LABEL: name: test_merge_values_v_s128_v_s32_v_s32_v_s32
    ; GCN: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
    ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; GCN: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
    ; GCN: [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr3
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
    ; GCN: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[REG_SEQUENCE]]
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = COPY $vgpr1
    %2:vgpr(s32) = COPY $vgpr2
    %3:vgpr(s32) = COPY $vgpr3
    %4:vgpr(s128) = G_MERGE_VALUES %0, %1, %2, %3
    $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %4
...

---
name: test_merge_values_s_s128_s_s64_s_s64
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3

    ; GCN-LABEL: name: test_merge_values_s_s128_s_s64_s_s64
    ; GCN: liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
    ; GCN: [[COPY:%[0-9]+]]:sreg_64_xexec = COPY $sgpr0_sgpr1
    ; GCN: [[COPY1:%[0-9]+]]:sreg_64_xexec = COPY $sgpr2_sgpr3
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0_sub1, [[COPY1]], %subreg.sub2_sub3
    ; GCN: $sgpr0_sgpr1_sgpr2_sgpr3 = COPY [[REG_SEQUENCE]]
    %0:sgpr(s64) = COPY $sgpr0_sgpr1
    %1:sgpr(s64) = COPY $sgpr2_sgpr3
    %4:sgpr(s128) = G_MERGE_VALUES %0, %1
    $sgpr0_sgpr1_sgpr2_sgpr3 = COPY %4
...

---
name: test_merge_values_v_s128_v_s64_v_s64
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3

    ; GCN-LABEL: name: test_merge_values_v_s128_v_s64_v_s64
    ; GCN: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; GCN: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
    ; GCN: [[COPY1:%[0-9]+]]:vreg_64 = COPY $vgpr2_vgpr3
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_128 = REG_SEQUENCE [[COPY]], %subreg.sub0_sub1, [[COPY1]], %subreg.sub2_sub3
    ; GCN: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[REG_SEQUENCE]]
    %0:vgpr(s64) = COPY $vgpr0_vgpr1
    %1:vgpr(s64) = COPY $vgpr2_vgpr3
    %2:vgpr(s128) = G_MERGE_VALUES %0, %1
    $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %2
...

---
name: test_merge_values_s_s160_s_s32_s_s32_s_s32_s_s32_s_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3, $sgpr4

    ; GCN-LABEL: name: test_merge_values_s_s160_s_s32_s_s32_s_s32_s_s32_s_s32
    ; GCN: liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3, $sgpr4
    ; GCN: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0
    ; GCN: [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr1
    ; GCN: [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr2
    ; GCN: [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr3
    ; GCN: [[COPY4:%[0-9]+]]:sreg_32 = COPY $sgpr4
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_160 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3, [[COPY4]], %subreg.sub4
    ; GCN: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4 = COPY [[REG_SEQUENCE]]
    %0:sgpr(s32) = COPY $sgpr0
    %1:sgpr(s32) = COPY $sgpr1
    %2:sgpr(s32) = COPY $sgpr2
    %3:sgpr(s32) = COPY $sgpr3
    %4:sgpr(s32) = COPY $sgpr4
    %5:sgpr(s160) = G_MERGE_VALUES %0, %1, %2, %3, %4
    $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4 = COPY %5
...

---
name: test_merge_values_v_s160_v_s32_v_s32_v_s32_v_s32_v_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4

    ; GCN-LABEL: name: test_merge_values_v_s160_v_s32_v_s32_v_s32_v_s32_v_s32
    ; GCN: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3, $vgpr4
    ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; GCN: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2
    ; GCN: [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr3
    ; GCN: [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr4
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_160 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3, [[COPY4]], %subreg.sub4
    ; GCN: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4 = COPY [[REG_SEQUENCE]]
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = COPY $vgpr1
    %2:vgpr(s32) = COPY $vgpr2
    %3:vgpr(s32) = COPY $vgpr3
    %4:vgpr(s32) = COPY $vgpr4
    %5:vgpr(s160) = G_MERGE_VALUES %0, %1, %2, %3, %4
    $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4 = COPY %5
...

---
name: test_merge_values_s_s192_s_s64_s_s64_s_s64
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3, $sgpr4_sgpr5

    ; GCN-LABEL: name: test_merge_values_s_s192_s_s64_s_s64_s_s64
    ; GCN: liveins: $sgpr0_sgpr1, $sgpr2_sgpr3, $sgpr4_sgpr5
    ; GCN: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
    ; GCN: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
    ; GCN: [[COPY2:%[0-9]+]]:sgpr(s64) = COPY $sgpr4_sgpr5
    ; GCN: [[MV:%[0-9]+]]:sgpr(s192) = G_MERGE_VALUES [[COPY]](s64), [[COPY1]](s64), [[COPY2]](s64)
    ; GCN: S_ENDPGM 0, implicit [[MV]](s192)
    %0:sgpr(s64) = COPY $sgpr0_sgpr1
    %1:sgpr(s64) = COPY $sgpr2_sgpr3
    %2:sgpr(s64) = COPY $sgpr4_sgpr5
    %3:sgpr(s192) = G_MERGE_VALUES %0, %1, %2
    S_ENDPGM 0, implicit %3
...

---
name: test_merge_values_v_s192_v_s64_v_s64_v_s64
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4_vgpr5

    ; GCN-LABEL: name: test_merge_values_v_s192_v_s64_v_s64_v_s64
    ; GCN: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4_vgpr5
    ; GCN: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
    ; GCN: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
    ; GCN: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY $vgpr4_vgpr5
    ; GCN: [[MV:%[0-9]+]]:vgpr(s192) = G_MERGE_VALUES [[COPY]](s64), [[COPY1]](s64), [[COPY2]](s64)
    ; GCN: S_ENDPGM 0, implicit [[MV]](s192)
    %0:vgpr(s64) = COPY $vgpr0_vgpr1
    %1:vgpr(s64) = COPY $vgpr2_vgpr3
    %2:vgpr(s64) = COPY $vgpr4_vgpr5
    %3:vgpr(s192) = G_MERGE_VALUES %0, %1, %2
    S_ENDPGM 0, implicit %3
...

---
name: test_merge_values_s_s256_s_s64_s_s64_s_s64_s_s64
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3, $sgpr4_sgpr5, $sgpr6_sgpr7

    ; GCN-LABEL: name: test_merge_values_s_s256_s_s64_s_s64_s_s64_s_s64
    ; GCN: liveins: $sgpr0_sgpr1, $sgpr2_sgpr3, $sgpr4_sgpr5, $sgpr6_sgpr7
    ; GCN: [[COPY:%[0-9]+]]:sreg_64_xexec = COPY $sgpr0_sgpr1
    ; GCN: [[COPY1:%[0-9]+]]:sreg_64_xexec = COPY $sgpr2_sgpr3
    ; GCN: [[COPY2:%[0-9]+]]:sreg_64_xexec = COPY $sgpr4_sgpr5
    ; GCN: [[COPY3:%[0-9]+]]:sreg_64_xexec = COPY $sgpr6_sgpr7
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_256 = REG_SEQUENCE [[COPY]], %subreg.sub0_sub1, [[COPY1]], %subreg.sub2_sub3, [[COPY2]], %subreg.sub4_sub5, [[COPY3]], %subreg.sub6_sub7
    ; GCN: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7 = COPY [[REG_SEQUENCE]]
    %0:sgpr(s64) = COPY $sgpr0_sgpr1
    %1:sgpr(s64) = COPY $sgpr2_sgpr3
    %2:sgpr(s64) = COPY $sgpr4_sgpr5
    %3:sgpr(s64) = COPY $sgpr6_sgpr7
    %4:sgpr(s256) = G_MERGE_VALUES %0, %1, %2, %3
    $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7 = COPY %4
...

---
name: test_merge_values_s_s256_s_s128_s_s128
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4_sgpr5_sgpr6_sgpr7

    ; GCN-LABEL: name: test_merge_values_s_s256_s_s128_s_s128
    ; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4_sgpr5_sgpr6_sgpr7
    ; GCN: [[COPY:%[0-9]+]]:sgpr_128 = COPY $sgpr0_sgpr1_sgpr2_sgpr3
    ; GCN: [[COPY1:%[0-9]+]]:sgpr_128 = COPY $sgpr4_sgpr5_sgpr6_sgpr7
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_256 = REG_SEQUENCE [[COPY]], %subreg.sub0_sub1_sub2_sub3, [[COPY1]], %subreg.sub4_sub5_sub6_sub7
    ; GCN: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7 = COPY [[REG_SEQUENCE]]
    %0:sgpr(s128) = COPY $sgpr0_sgpr1_sgpr2_sgpr3
    %1:sgpr(s128) = COPY $sgpr4_sgpr5_sgpr6_sgpr7
    %2:sgpr(s256) = G_MERGE_VALUES %0, %1
    $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7 = COPY %2
...

---
name: test_merge_values_s_s512_s_s256_s_s256
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15

    ; GCN-LABEL: name: test_merge_values_s_s512_s_s256_s_s256
    ; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15
    ; GCN: [[COPY:%[0-9]+]]:sreg_256 = COPY $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7
    ; GCN: [[COPY1:%[0-9]+]]:sreg_256 = COPY $sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_512 = REG_SEQUENCE [[COPY]], %subreg.sub0_sub1_sub2_sub3_sub4_sub5_sub6_sub7, [[COPY1]], %subreg.sub8_sub9_sub10_sub11_sub12_sub13_sub14_sub15
    ; GCN: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY [[REG_SEQUENCE]]
    %0:sgpr(s256) = COPY $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7,
    %1:sgpr(s256) = COPY $sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15
    %4:sgpr(s512) = G_MERGE_VALUES %0, %1
    $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY %4
...

---
name: test_merge_values_s_s512_s_s64_s_s64_s_s64_s_s64_s_s64_s_s64_s_s64_s_s64
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3, $sgpr4_sgpr5, $sgpr6_sgpr7, $sgpr8_sgpr9, $sgpr10_sgpr11, $sgpr12_sgpr13, $sgpr14_sgpr15

    ; GCN-LABEL: name: test_merge_values_s_s512_s_s64_s_s64_s_s64_s_s64_s_s64_s_s64_s_s64_s_s64
    ; GCN: liveins: $sgpr0_sgpr1, $sgpr2_sgpr3, $sgpr4_sgpr5, $sgpr6_sgpr7, $sgpr8_sgpr9, $sgpr10_sgpr11, $sgpr12_sgpr13, $sgpr14_sgpr15
    ; GCN: [[COPY:%[0-9]+]]:sreg_64_xexec = COPY $sgpr0_sgpr1
    ; GCN: [[COPY1:%[0-9]+]]:sreg_64_xexec = COPY $sgpr2_sgpr3
    ; GCN: [[COPY2:%[0-9]+]]:sreg_64_xexec = COPY $sgpr4_sgpr5
    ; GCN: [[COPY3:%[0-9]+]]:sreg_64_xexec = COPY $sgpr6_sgpr7
    ; GCN: [[COPY4:%[0-9]+]]:sreg_64_xexec = COPY $sgpr8_sgpr9
    ; GCN: [[COPY5:%[0-9]+]]:sreg_64_xexec = COPY $sgpr10_sgpr11
    ; GCN: [[COPY6:%[0-9]+]]:sreg_64_xexec = COPY $sgpr12_sgpr13
    ; GCN: [[COPY7:%[0-9]+]]:sreg_64_xexec = COPY $sgpr14_sgpr15
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_512 = REG_SEQUENCE [[COPY]], %subreg.sub0_sub1, [[COPY1]], %subreg.sub2_sub3, [[COPY2]], %subreg.sub4_sub5, [[COPY3]], %subreg.sub6_sub7, [[COPY4]], %subreg.sub8_sub9, [[COPY5]], %subreg.sub10_sub11, [[COPY6]], %subreg.sub12_sub13, [[COPY7]], %subreg.sub14_sub15
    ; GCN: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY [[REG_SEQUENCE]]
    %0:sgpr(s64) = COPY $sgpr0_sgpr1
    %1:sgpr(s64) = COPY $sgpr2_sgpr3
    %2:sgpr(s64) = COPY $sgpr4_sgpr5
    %3:sgpr(s64) = COPY $sgpr6_sgpr7
    %4:sgpr(s64) = COPY $sgpr8_sgpr9
    %5:sgpr(s64) = COPY $sgpr10_sgpr11
    %6:sgpr(s64) = COPY $sgpr12_sgpr13
    %7:sgpr(s64) = COPY $sgpr14_sgpr15
    %8:sgpr(s512) = G_MERGE_VALUES %0, %1, %2, %3, %4, %5, %6, %7
    $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7_sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15 = COPY %8
...

---
name: test_merge_values_v_v512_v_s64_v_s64_v_s64_v_s64_v_s64_v_s64_v_s64_v_s64
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4_vgpr5, $vgpr6_vgpr7, $vgpr8_vgpr9, $vgpr10_vgpr11, $vgpr12_vgpr13, $vgpr14_vgpr15

    ; GCN-LABEL: name: test_merge_values_v_v512_v_s64_v_s64_v_s64_v_s64_v_s64_v_s64_v_s64_v_s64
    ; GCN: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4_vgpr5, $vgpr6_vgpr7, $vgpr8_vgpr9, $vgpr10_vgpr11, $vgpr12_vgpr13, $vgpr14_vgpr15
    ; GCN: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1
    ; GCN: [[COPY1:%[0-9]+]]:vreg_64 = COPY $vgpr2_vgpr3
    ; GCN: [[COPY2:%[0-9]+]]:vreg_64 = COPY $vgpr4_vgpr5
    ; GCN: [[COPY3:%[0-9]+]]:vreg_64 = COPY $vgpr6_vgpr7
    ; GCN: [[COPY4:%[0-9]+]]:vreg_64 = COPY $vgpr8_vgpr9
    ; GCN: [[COPY5:%[0-9]+]]:vreg_64 = COPY $vgpr10_vgpr11
    ; GCN: [[COPY6:%[0-9]+]]:vreg_64 = COPY $vgpr12_vgpr13
    ; GCN: [[COPY7:%[0-9]+]]:vreg_64 = COPY $vgpr14_vgpr15
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_512 = REG_SEQUENCE [[COPY]], %subreg.sub0_sub1, [[COPY1]], %subreg.sub2_sub3, [[COPY2]], %subreg.sub4_sub5, [[COPY3]], %subreg.sub6_sub7, [[COPY4]], %subreg.sub8_sub9, [[COPY5]], %subreg.sub10_sub11, [[COPY6]], %subreg.sub12_sub13, [[COPY7]], %subreg.sub14_sub15
    ; GCN: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY [[REG_SEQUENCE]]
    %0:vgpr(s64) = COPY $vgpr0_vgpr1
    %1:vgpr(s64) = COPY $vgpr2_vgpr3
    %2:vgpr(s64) = COPY $vgpr4_vgpr5
    %3:vgpr(s64) = COPY $vgpr6_vgpr7
    %4:vgpr(s64) = COPY $vgpr8_vgpr9
    %5:vgpr(s64) = COPY $vgpr10_vgpr11
    %6:vgpr(s64) = COPY $vgpr12_vgpr13
    %7:vgpr(s64) = COPY $vgpr14_vgpr15
    %8:vgpr(s512) = G_MERGE_VALUES %0, %1, %2, %3, %4, %5, %6, %7
    $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY %8
...

---
name: test_merge_values_rc_already_set_src_v_s64_v_s32_v_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; GCN-LABEL: name: test_merge_values_rc_already_set_src_v_s64_v_s32_v_s32
    ; GCN: liveins: $vgpr0, $vgpr1
    ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1
    ; GCN: S_ENDPGM 0, implicit [[REG_SEQUENCE]]
    %0:vgpr_32(s32) = COPY $vgpr0
    %1:vgpr_32(s32) = COPY $vgpr1
    %2:vgpr(s64) = G_MERGE_VALUES %0, %1
    S_ENDPGM 0, implicit %2
...

---
name: test_merge_values_rc_already_set_dst_v_s64_v_s32_v_s32
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; GCN-LABEL: name: test_merge_values_rc_already_set_dst_v_s64_v_s32_v_s32
    ; GCN: liveins: $vgpr0, $vgpr1
    ; GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
    ; GCN: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1
    ; GCN: S_ENDPGM 0, implicit [[REG_SEQUENCE]]
    %0:vgpr(s32) = COPY $vgpr0
    %1:vgpr(s32) = COPY $vgpr1
    %2:vreg_64(s64) = G_MERGE_VALUES %0, %1
    S_ENDPGM 0, implicit %2
...

---
name: test_merge_values_s_s1024_s_s256_s_s256_s_s256_s_s256
legalized:       true
regBankSelected: true
tracksRegLiveness: true

body: |
  bb.0:
    liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15

    ; GCN-LABEL: name: test_merge_values_s_s1024_s_s256_s_s256_s_s256_s_s256
    ; GCN: liveins: $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7, $sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15
    ; GCN: [[COPY:%[0-9]+]]:sreg_256 = COPY $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7
    ; GCN: [[DEF:%[0-9]+]]:sreg_256 = IMPLICIT_DEF
    ; GCN: [[COPY1:%[0-9]+]]:sreg_256 = COPY $sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15
    ; GCN: [[DEF1:%[0-9]+]]:sreg_256 = IMPLICIT_DEF
    ; GCN: [[REG_SEQUENCE:%[0-9]+]]:sreg_1024 = REG_SEQUENCE [[COPY]], %subreg.sub0_sub1_sub2_sub3_sub4_sub5_sub6_sub7, [[DEF]], %subreg.sub8_sub9_sub10_sub11_sub12_sub13_sub14_sub15, [[COPY1]], %subreg.sub16_sub17_sub18_sub19_sub20_sub21_sub22_sub23, [[DEF1]], %subreg.sub24_sub25_sub26_sub27_sub28_sub29_sub30_sub31
    ; GCN: S_ENDPGM 0, implicit [[REG_SEQUENCE]]
    %0:sgpr(s256) = COPY $sgpr0_sgpr1_sgpr2_sgpr3_sgpr4_sgpr5_sgpr6_sgpr7,
    %1:sgpr(s256) = G_IMPLICIT_DEF
    %2:sgpr(s256) = COPY $sgpr8_sgpr9_sgpr10_sgpr11_sgpr12_sgpr13_sgpr14_sgpr15
    %3:sgpr(s256) = G_IMPLICIT_DEF
    %4:sgpr(s1024) = G_MERGE_VALUES %0, %1, %2, %3
    S_ENDPGM 0, implicit %4
...