# RUN: llc -mtriple=x86_64-linux-gnu -mattr=+avx512f -global-isel -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=ALL
--- |
  define void @test_unmerge_v128() {
    ret void
  }

  define void @test_unmerge_v256() {
    ret void
  }

...
---
name:            test_unmerge_v128
# ALL-LABEL: name:  test_unmerge_v128
alignment:       4
legalized:       true
regBankSelected: true
# ALL:      registers:
# ALL-NEXT:   - { id: 0, class: vr512, preferred-register: '' }
# ALL-NEXT:   - { id: 1, class: vr128x, preferred-register: '' }
# ALL-NEXT:   - { id: 2, class: vr128x, preferred-register: '' }
# ALL-NEXT:   - { id: 3, class: vr128x, preferred-register: '' }
# ALL-NEXT:   - { id: 4, class: vr128x, preferred-register: '' }
registers:
  - { id: 0, class: vecr }
  - { id: 1, class: vecr }
  - { id: 2, class: vecr }
  - { id: 3, class: vecr }
  - { id: 4, class: vecr }
# ALL:          %0 = IMPLICIT_DEF
# ALL-NEXT:     %1 = COPY %0.sub_xmm
# ALL-NEXT:     %2 = VEXTRACTF32x4Zrr %0, 1
# ALL-NEXT:     %3 = VEXTRACTF32x4Zrr %0, 2
# ALL-NEXT:     %4 = VEXTRACTF32x4Zrr %0, 3
# ALL-NEXT:     %xmm0 = COPY %1
# ALL-NEXT:     RET 0, implicit %xmm0
body:             |
  bb.1 (%ir-block.0):

    %0(<16 x s32>) = IMPLICIT_DEF
    %1(<4 x s32>), %2(<4 x s32>), %3(<4 x s32>), %4(<4 x s32>) = G_UNMERGE_VALUES %0(<16 x s32>)
    %xmm0 = COPY %1(<4 x s32>)
    RET 0, implicit %xmm0

...
---
name:            test_unmerge_v256
# ALL-LABEL: name:  test_unmerge_v256
alignment:       4
legalized:       true
regBankSelected: true
# ALL:      registers:
# ALL-NEXT:   - { id: 0, class: vr512, preferred-register: '' }
# ALL-NEXT:   - { id: 1, class: vr256x, preferred-register: '' }
# ALL-NEXT:   - { id: 2, class: vr256x, preferred-register: '' }
registers:
  - { id: 0, class: vecr }
  - { id: 1, class: vecr }
  - { id: 2, class: vecr }
# ALL:          %0 = IMPLICIT_DEF
# ALL-NEXT:     %1 = COPY %0.sub_ymm
# ALL-NEXT:     %2 = VEXTRACTF64x4Zrr %0, 1
# ALL-NEXT:     %xmm0 = COPY %1
# ALL-NEXT:     RET 0, implicit %ymm0
body:             |
  bb.1 (%ir-block.0):

    %0(<16 x s32>) = IMPLICIT_DEF
    %1(<8 x s32>), %2(<8 x s32>) = G_UNMERGE_VALUES %0(<16 x s32>)
    %xmm0 = COPY %1(<8 x s32>)
    RET 0, implicit %ymm0

...