# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple aarch64 -run-pass=aarch64-postlegalizer-lowering -global-isel -verify-machineinstrs %s -o - | FileCheck %s

---
name:            v4s32
legalized:       true
body: |
  bb.0.entry:
    liveins: $q0
    ; CHECK-LABEL: name: v4s32
    ; CHECK: liveins: $q0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %v1:_(<4 x s32>) = COPY $q0
    ; CHECK-NEXT: %unused:_(<2 x s32>), %unmerge:_(<2 x s32>) = G_UNMERGE_VALUES %v1(<4 x s32>)
    ; CHECK-NEXT: %fpext:_(<2 x s64>) = G_FPEXT %unmerge(<2 x s32>)
    ; CHECK-NEXT: $q0 = COPY %fpext(<2 x s64>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %v1:_(<4 x s32>) = COPY $q0
    %implicit:_(<4 x s32>) = G_IMPLICIT_DEF
    %C:_(s32) = G_CONSTANT i32 8
    %ext:_(<4 x s32>) = G_EXT %v1:_, %implicit:_, %C:_(s32)
    %unmerge:_(<2 x s32>), %unused:_(<2 x s32>) = G_UNMERGE_VALUES %ext:_(<4 x s32>)
    %fpext:_(<2 x s64>) = G_FPEXT %unmerge:_(<2 x s32>)
    $q0 = COPY %fpext
    RET_ReallyLR implicit $q0
...
---
name:            v8s16
legalized:       true
body: |
  bb.0.entry:
    liveins: $q0
    ; CHECK-LABEL: name: v8s16
    ; CHECK: liveins: $q0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %v1:_(<8 x s16>) = COPY $q0
    ; CHECK-NEXT: %unused:_(<4 x s16>), %unmerge:_(<4 x s16>) = G_UNMERGE_VALUES %v1(<8 x s16>)
    ; CHECK-NEXT: %fpext:_(<4 x s32>) = G_FPEXT %unmerge(<4 x s16>)
    ; CHECK-NEXT: $q0 = COPY %fpext(<4 x s32>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %v1:_(<8 x s16>) = COPY $q0
    %implicit:_(<8 x s16>) = G_IMPLICIT_DEF
    %C:_(s32) = G_CONSTANT i32 8
    %ext:_(<8 x s16>) = G_EXT %v1:_, %implicit:_, %C:_(s32)
    %unmerge:_(<4 x s16>), %unused:_(<4 x s16>) = G_UNMERGE_VALUES %ext:_(<8 x s16>)
    %fpext:_(<4 x s32>) = G_FPEXT %unmerge:_(<4 x s16>)
    $q0 = COPY %fpext
    RET_ReallyLR implicit $q0
...
---
name:            v16s8
legalized:       true
body: |
  bb.0.entry:
    liveins: $q0
    ; CHECK-LABEL: name: v16s8
    ; CHECK: liveins: $q0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %v1:_(<16 x s8>) = COPY $q0
    ; CHECK-NEXT: %unused:_(<8 x s8>), %unmerge:_(<8 x s8>) = G_UNMERGE_VALUES %v1(<16 x s8>)
    ; CHECK-NEXT: %fpext:_(<8 x s16>) = G_FPEXT %unmerge(<8 x s8>)
    ; CHECK-NEXT: $q0 = COPY %fpext(<8 x s16>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %v1:_(<16 x s8>) = COPY $q0
    %implicit:_(<16 x s8>) = G_IMPLICIT_DEF
    %C:_(s32) = G_CONSTANT i32 8
    %ext:_(<16 x s8>) = G_EXT %v1:_, %implicit:_, %C:_(s32)
    %unmerge:_(<8 x s8>), %unused:_(<8 x s8>) = G_UNMERGE_VALUES %ext:_(<16 x s8>)
    %fpext:_(<8 x s16>) = G_FPEXT %unmerge:_(<8 x s8>)
    $q0 = COPY %fpext
    RET_ReallyLR implicit $q0
...
---
name:            skip_not_const
legalized:       true
body: |
  bb.0.entry:
    liveins: $q0, $w0
    ; CHECK-LABEL: name: skip_not_const
    ; CHECK: liveins: $q0, $w0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %v1:_(<16 x s8>) = COPY $q0
    ; CHECK-NEXT: %implicit:_(<16 x s8>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: %C:_(s32) = COPY $w0
    ; CHECK-NEXT: %ext:_(<16 x s8>) = G_EXT %v1, %implicit, %C(s32)
    ; CHECK-NEXT: %unmerge:_(<8 x s8>), %unused:_(<8 x s8>) = G_UNMERGE_VALUES %ext(<16 x s8>)
    ; CHECK-NEXT: %fpext:_(<8 x s16>) = G_FPEXT %unmerge(<8 x s8>)
    ; CHECK-NEXT: $q0 = COPY %fpext(<8 x s16>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %v1:_(<16 x s8>) = COPY $q0
    %implicit:_(<16 x s8>) = G_IMPLICIT_DEF
    %C:_(s32) = COPY $w0
    %ext:_(<16 x s8>) = G_EXT %v1:_, %implicit:_, %C:_(s32)
    %unmerge:_(<8 x s8>), %unused:_(<8 x s8>) = G_UNMERGE_VALUES %ext:_(<16 x s8>)
    %fpext:_(<8 x s16>) = G_FPEXT %unmerge:_(<8 x s8>)
    $q0 = COPY %fpext
    RET_ReallyLR implicit $q0
...
---
name:            skip_not_unused
legalized:       true
body: |
  bb.0.entry:
    liveins: $q0
    ; CHECK-LABEL: name: skip_not_unused
    ; CHECK: liveins: $q0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %v1:_(<16 x s8>) = COPY $q0
    ; CHECK-NEXT: %implicit:_(<16 x s8>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: %C:_(s32) = G_CONSTANT i32 8
    ; CHECK-NEXT: %ext:_(<16 x s8>) = G_EXT %v1, %implicit, %C(s32)
    ; CHECK-NEXT: %unmerge:_(<8 x s8>), %unused:_(<8 x s8>) = G_UNMERGE_VALUES %ext(<16 x s8>)
    ; CHECK-NEXT: %fpext:_(<8 x s16>) = G_FPEXT %unmerge(<8 x s8>)
    ; CHECK-NEXT: %fpext2:_(<8 x s16>) = G_FPEXT %unused(<8 x s8>)
    ; CHECK-NEXT: $q0 = COPY %fpext(<8 x s16>)
    ; CHECK-NEXT: $q1 = COPY %fpext2(<8 x s16>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0, implicit $q1
    %v1:_(<16 x s8>) = COPY $q0
    %implicit:_(<16 x s8>) = G_IMPLICIT_DEF
    %C:_(s32) = G_CONSTANT i32 8
    %ext:_(<16 x s8>) = G_EXT %v1:_, %implicit:_, %C:_(s32)
    %unmerge:_(<8 x s8>), %unused:_(<8 x s8>) = G_UNMERGE_VALUES %ext:_(<16 x s8>)
    %fpext:_(<8 x s16>) = G_FPEXT %unmerge:_(<8 x s8>)
    %fpext2:_(<8 x s16>) = G_FPEXT %unused:_(<8 x s8>)
    $q0 = COPY %fpext
    $q1 = COPY %fpext2
    RET_ReallyLR implicit $q0, implicit $q1
...
---
name:            skip_borders
legalized:       true
body: |
  bb.0.entry:
    liveins: $q0
    ; CHECK-LABEL: name: skip_borders
    ; CHECK: liveins: $q0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: %v1:_(<4 x s32>) = COPY $q0
    ; CHECK-NEXT: %implicit:_(<4 x s32>) = G_IMPLICIT_DEF
    ; CHECK-NEXT: %C:_(s32) = G_CONSTANT i32 9
    ; CHECK-NEXT: %ext:_(<4 x s32>) = G_EXT %v1, %implicit, %C(s32)
    ; CHECK-NEXT: %unmerge:_(<2 x s32>), %unused:_(<2 x s32>) = G_UNMERGE_VALUES %ext(<4 x s32>)
    ; CHECK-NEXT: %fpext:_(<2 x s64>) = G_FPEXT %unmerge(<2 x s32>)
    ; CHECK-NEXT: $q0 = COPY %fpext(<2 x s64>)
    ; CHECK-NEXT: RET_ReallyLR implicit $q0
    %v1:_(<4 x s32>) = COPY $q0
    %implicit:_(<4 x s32>) = G_IMPLICIT_DEF
    %C:_(s32) = G_CONSTANT i32 9
    %ext:_(<4 x s32>) = G_EXT %v1:_, %implicit:_, %C:_(s32)
    %unmerge:_(<2 x s32>), %unused:_(<2 x s32>) = G_UNMERGE_VALUES %ext:_(<4 x s32>)
    %fpext:_(<2 x s64>) = G_FPEXT %unmerge:_(<2 x s32>)
    $q0 = COPY %fpext
    RET_ReallyLR implicit $q0
...