# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -global-isel -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs -o - %s | FileCheck %s

---
name: split_unmerge_undef
tracksRegLiveness: true
legalized: true
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4_vgpr5
    ; CHECK-LABEL: name: split_unmerge_undef
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4_vgpr5
    ; CHECK-NEXT: {{  $}}
    %ptr1:_(p1) = COPY $vgpr0_vgpr1
    %ptr2:_(p1) = COPY $vgpr2_vgpr3
    %ptr3:_(p1) = COPY $vgpr4_vgpr5
    %vec:_(<3 x s32>) = G_IMPLICIT_DEF
    %p1:_(s32), %p2:_(s32), %p3:_(s32) = G_UNMERGE_VALUES %vec
    G_STORE %p1:_(s32), %ptr1:_(p1) :: (store (s32), addrspace 1, align 4)
    G_STORE %p2:_(s32), %ptr2:_(p1) :: (store (s32), addrspace 1, align 4)
    G_STORE %p3:_(s32), %ptr3:_(p1) :: (store (s32), addrspace 1, align 4)
...