# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64-- -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
...
---
name:            legal_v4s32_v2s32
alignment:       4
legalized:       true
regBankSelected: true
tracksRegLiveness: true
registers:
  - { id: 0, class: fpr }
  - { id: 1, class: fpr }
  - { id: 2, class: fpr }
frameInfo:
  maxCallFrameSize: 0
body:             |
  bb.0:
  liveins: $d0, $d1
    ; CHECK-LABEL: name: legal_v4s32_v2s32
    ; CHECK: liveins: $d0, $d1
    ; CHECK: [[COPY:%[0-9]+]]:fpr64 = COPY $d0
    ; CHECK: [[COPY1:%[0-9]+]]:fpr64 = COPY $d1
    ; CHECK: [[DEF:%[0-9]+]]:fpr128 = IMPLICIT_DEF
    ; CHECK: [[INSERT_SUBREG:%[0-9]+]]:fpr128 = INSERT_SUBREG [[DEF]], [[COPY1]], %subreg.dsub
    ; CHECK: [[DEF1:%[0-9]+]]:fpr128 = IMPLICIT_DEF
    ; CHECK: [[INSERT_SUBREG1:%[0-9]+]]:fpr128 = INSERT_SUBREG [[DEF1]], [[COPY]], %subreg.dsub
    ; CHECK: [[INSvi64lane:%[0-9]+]]:fpr128 = INSvi64lane [[INSERT_SUBREG1]], 1, [[INSERT_SUBREG]], 0
    ; CHECK: $q0 = COPY [[INSvi64lane]]
    ; CHECK: RET_ReallyLR implicit $q0
    %0:fpr(<2 x s32>) = COPY $d0
    %1:fpr(<2 x s32>) = COPY $d1
    %2:fpr(<4 x s32>) = G_CONCAT_VECTORS %0(<2 x s32>), %1(<2 x s32>)
    $q0 = COPY %2(<4 x s32>)
    RET_ReallyLR implicit $q0

...
---
name:            legal_v8s16_v4s16
alignment:       4
legalized:       true
regBankSelected: true
tracksRegLiveness: true
registers:
  - { id: 0, class: fpr }
  - { id: 1, class: fpr }
  - { id: 2, class: fpr }
frameInfo:
  maxCallFrameSize: 0
body:             |
  bb.0:
  liveins: $d0, $d1
    ; CHECK-LABEL: name: legal_v8s16_v4s16
    ; CHECK: liveins: $d0, $d1
    ; CHECK: [[COPY:%[0-9]+]]:fpr64 = COPY $d0
    ; CHECK: [[COPY1:%[0-9]+]]:fpr64 = COPY $d1
    ; CHECK: [[DEF:%[0-9]+]]:fpr128 = IMPLICIT_DEF
    ; CHECK: [[INSERT_SUBREG:%[0-9]+]]:fpr128 = INSERT_SUBREG [[DEF]], [[COPY1]], %subreg.dsub
    ; CHECK: [[DEF1:%[0-9]+]]:fpr128 = IMPLICIT_DEF
    ; CHECK: [[INSERT_SUBREG1:%[0-9]+]]:fpr128 = INSERT_SUBREG [[DEF1]], [[COPY]], %subreg.dsub
    ; CHECK: [[INSvi64lane:%[0-9]+]]:fpr128 = INSvi64lane [[INSERT_SUBREG1]], 1, [[INSERT_SUBREG]], 0
    ; CHECK: $q0 = COPY [[INSvi64lane]]
    ; CHECK: RET_ReallyLR implicit $q0
    %0:fpr(<4 x s16>) = COPY $d0
    %1:fpr(<4 x s16>) = COPY $d1
    %2:fpr(<8 x s16>) = G_CONCAT_VECTORS %0(<4 x s16>), %1(<4 x s16>)
    $q0 = COPY %2(<8 x s16>)
    RET_ReallyLR implicit $q0

...
---
name:            select_v16s8_v8s8_undef
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $q0

    ; CHECK-LABEL: name: select_v16s8_v8s8_undef
    ; CHECK: liveins: $q0
    ; CHECK: %a:fpr64 = IMPLICIT_DEF
    ; CHECK: [[DEF:%[0-9]+]]:fpr128 = IMPLICIT_DEF
    ; CHECK: %concat:fpr128 = INSERT_SUBREG [[DEF]], %a, %subreg.dsub
    ; CHECK: $q0 = COPY %concat
    ; CHECK: RET_ReallyLR implicit $q0
    %a:fpr(<8 x s8>) = G_IMPLICIT_DEF
    %b:fpr(<8 x s8>) = G_IMPLICIT_DEF
    %concat:fpr(<16 x s8>) = G_CONCAT_VECTORS %a(<8 x s8>), %b(<8 x s8>)
    $q0 = COPY %concat(<16 x s8>)
    RET_ReallyLR implicit $q0

...
---
name:            select_v16s8_v8s8_not_undef
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $q0, $d1
    ; CHECK-LABEL: name: select_v16s8_v8s8_not_undef
    ; CHECK: liveins: $q0, $d1
    ; CHECK: %a:fpr64 = COPY $d0
    ; CHECK: %b:fpr64 = COPY $d1
    ; CHECK: [[DEF:%[0-9]+]]:fpr128 = IMPLICIT_DEF
    ; CHECK: [[INSERT_SUBREG:%[0-9]+]]:fpr128 = INSERT_SUBREG [[DEF]], %b, %subreg.dsub
    ; CHECK: [[DEF1:%[0-9]+]]:fpr128 = IMPLICIT_DEF
    ; CHECK: [[INSERT_SUBREG1:%[0-9]+]]:fpr128 = INSERT_SUBREG [[DEF1]], %a, %subreg.dsub
    ; CHECK: %concat:fpr128 = INSvi64lane [[INSERT_SUBREG1]], 1, [[INSERT_SUBREG]], 0
    ; CHECK: $q0 = COPY %concat
    ; CHECK: RET_ReallyLR implicit $q0
    %a:fpr(<8 x s8>) = COPY $d0
    %b:fpr(<8 x s8>) = COPY $d1
    %concat:fpr(<16 x s8>) = G_CONCAT_VECTORS %a(<8 x s8>), %b(<8 x s8>)
    $q0 = COPY %concat(<16 x s8>)
    RET_ReallyLR implicit $q0

...