# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -run-pass=legalizer -o - %s | FileCheck -check-prefix=GFX8 %s
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -run-pass=legalizer -o - %s | FileCheck -check-prefix=GFX9 %s

---
name: shufflevector_v2s16_v2s16_undef_undef
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_undef_undef
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[C]], [[C1]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[C]], [[SHL]]
    ; GFX8: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_undef_undef
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(undef, undef)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(undef, undef)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_0_undef
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_0_undef
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY3]], [[C2]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST1]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_0_undef
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(0, undef)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(0, undef)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_undef_0
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_undef_0
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND]], [[C2]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[COPY2]], [[SHL]]
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST1]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_undef_0
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(undef, 0)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(undef, 0)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_0_1
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_0_1
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C1]](s32)
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C2]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_0_1
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(0, 1)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(0, 1)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_1_0
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_1_0
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C1]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C2]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_1_0
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(1, 0)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(1, 0)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_0_0
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_0_0
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_0_0
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(0, 0)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(0, 0)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_1_1
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_1_1
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_1_1
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(1, 1)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(1, 1)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_2_2
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_2_2
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_2_2
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(2, 2)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(2, 2)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_2_undef
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_2_undef
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY3]], [[C2]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST1]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_2_undef
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(2, undef)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(2, undef)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_undef_2
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_undef_2
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND]], [[C2]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[COPY2]], [[SHL]]
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST1]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_undef_2
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(undef, 2)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(undef, 2)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_2_3
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_2_3
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C1]](s32)
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C2]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_2_3
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(2, 3)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(2, 3)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_3_2
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_3_2
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C1]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C2]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_3_2
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(3, 2)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(3, 2)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_undef_3
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_undef_3
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND]], [[C]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[C1]], [[SHL]]
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST1]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_undef_3
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(undef, 3)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(undef, 3)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_3_undef
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_3_undef
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[C2]], [[C]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST1]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_3_undef
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(3, undef)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(3, undef)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_3_3
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_3_3
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_3_3
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(3, 3)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(3, 3)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_0_2
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_0_2
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_0_2
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX9: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX9: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY2]](s32), [[COPY3]](s32)
    ; GFX9: $vgpr0 = COPY [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(0, 2)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_2_0
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_2_0
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_2_0
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[SHUF:%[0-9]+]]:_(<2 x s16>) = G_SHUFFLE_VECTOR [[COPY]](<2 x s16>), [[COPY1]], shufflemask(0, 0)
    ; GFX9: $vgpr0 = COPY [[SHUF]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(0, 0)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_3_0
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_3_0
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C1]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C2]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_3_0
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C1]](s32)
    ; GFX9: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY2]](s32), [[COPY3]](s32)
    ; GFX9: $vgpr0 = COPY [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(3, 0)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_0_3
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_0_3
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C1]](s32)
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C2]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_0_3
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX9: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX9: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C1]](s32)
    ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY2]](s32), [[COPY3]](s32)
    ; GFX9: $vgpr0 = COPY [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(0, 3)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_1_2
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_1_2
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C1]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C2]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_1_2
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C1]](s32)
    ; GFX9: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY2]](s32), [[COPY3]](s32)
    ; GFX9: $vgpr0 = COPY [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(1, 2)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v2s16_2_1
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v2s16_2_1
    ; GFX8: liveins: $vgpr0, $vgpr1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C1]](s32)
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C2]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v2s16_2_1
    ; GFX9: liveins: $vgpr0, $vgpr1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX9: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX9: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C1]](s32)
    ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY2]](s32), [[COPY3]](s32)
    ; GFX9: $vgpr0 = COPY [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(2, 1)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v4s16_v3s16_2_0
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v4s16_v3s16_2_0
    ; GFX8: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; GFX8: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr0_vgpr1
    ; GFX8: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
    ; GFX8: [[EXTRACT:%[0-9]+]]:_(<3 x s16>) = G_EXTRACT [[COPY]](<4 x s16>), 0
    ; GFX8: [[EXTRACT1:%[0-9]+]]:_(<3 x s16>) = G_EXTRACT [[COPY1]](<4 x s16>), 0
    ; GFX8: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
    ; GFX8: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF]], [[EXTRACT1]](<3 x s16>), 0
    ; GFX8: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[INSERT]](<4 x s16>)
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[UV]](<2 x s16>)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY2]], 16
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY3]], 16
    ; GFX8: [[COPY4:%[0-9]+]]:_(s32) = COPY [[BITCAST1]](s32)
    ; GFX8: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY4]], 16
    ; GFX8: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[SEXT_INREG]](s32), [[SEXT_INREG1]](s32), [[SEXT_INREG2]](s32)
    ; GFX8: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[BUILD_VECTOR]](<3 x s32>), 64
    ; GFX8: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF]], [[EXTRACT]](<3 x s16>), 0
    ; GFX8: [[UV2:%[0-9]+]]:_(<2 x s16>), [[UV3:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[INSERT1]](<4 x s16>)
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(s32) = G_BITCAST [[UV2]](<2 x s16>)
    ; GFX8: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C]](s32)
    ; GFX8: [[BITCAST3:%[0-9]+]]:_(s32) = G_BITCAST [[UV3]](<2 x s16>)
    ; GFX8: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST3]], [[C]](s32)
    ; GFX8: [[COPY5:%[0-9]+]]:_(s32) = COPY [[BITCAST2]](s32)
    ; GFX8: [[SEXT_INREG3:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY5]], 16
    ; GFX8: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
    ; GFX8: [[SEXT_INREG4:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY6]], 16
    ; GFX8: [[COPY7:%[0-9]+]]:_(s32) = COPY [[BITCAST3]](s32)
    ; GFX8: [[SEXT_INREG5:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY7]], 16
    ; GFX8: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[SEXT_INREG3]](s32), [[SEXT_INREG4]](s32), [[SEXT_INREG5]](s32)
    ; GFX8: [[EXTRACT3:%[0-9]+]]:_(s32) = G_EXTRACT [[BUILD_VECTOR1]](<3 x s32>), 32
    ; GFX8: [[EXTRACT4:%[0-9]+]]:_(s32) = G_EXTRACT [[BUILD_VECTOR]](<3 x s32>), 0
    ; GFX8: [[EXTRACT5:%[0-9]+]]:_(s32) = G_EXTRACT [[BUILD_VECTOR1]](<3 x s32>), 0
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY8:%[0-9]+]]:_(s32) = COPY [[EXTRACT2]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
    ; GFX8: [[COPY9:%[0-9]+]]:_(s32) = COPY [[EXTRACT3]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST4:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: [[COPY10:%[0-9]+]]:_(s32) = COPY [[EXTRACT4]](s32)
    ; GFX8: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
    ; GFX8: [[COPY11:%[0-9]+]]:_(s32) = COPY [[EXTRACT5]](s32)
    ; GFX8: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
    ; GFX8: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C]](s32)
    ; GFX8: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
    ; GFX8: [[BITCAST5:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
    ; GFX8: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST4]](<2 x s16>), [[BITCAST5]](<2 x s16>)
    ; GFX8: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
    ; GFX9-LABEL: name: shufflevector_v4s16_v3s16_2_0
    ; GFX9: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; GFX9: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr0_vgpr1
    ; GFX9: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
    ; GFX9: [[EXTRACT:%[0-9]+]]:_(<3 x s16>) = G_EXTRACT [[COPY]](<4 x s16>), 0
    ; GFX9: [[EXTRACT1:%[0-9]+]]:_(<3 x s16>) = G_EXTRACT [[COPY1]](<4 x s16>), 0
    ; GFX9: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
    ; GFX9: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF]], [[EXTRACT1]](<3 x s16>), 0
    ; GFX9: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[INSERT]](<4 x s16>)
    ; GFX9: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[UV]](<2 x s16>)
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX9: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
    ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY2]], 16
    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX9: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY3]], 16
    ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[BITCAST1]](s32)
    ; GFX9: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY4]], 16
    ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[SEXT_INREG]](s32), [[SEXT_INREG1]](s32), [[SEXT_INREG2]](s32)
    ; GFX9: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[BUILD_VECTOR]](<3 x s32>), 64
    ; GFX9: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF]], [[EXTRACT]](<3 x s16>), 0
    ; GFX9: [[UV2:%[0-9]+]]:_(<2 x s16>), [[UV3:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[INSERT1]](<4 x s16>)
    ; GFX9: [[BITCAST2:%[0-9]+]]:_(s32) = G_BITCAST [[UV2]](<2 x s16>)
    ; GFX9: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C]](s32)
    ; GFX9: [[BITCAST3:%[0-9]+]]:_(s32) = G_BITCAST [[UV3]](<2 x s16>)
    ; GFX9: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST3]], [[C]](s32)
    ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[BITCAST2]](s32)
    ; GFX9: [[SEXT_INREG3:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY5]], 16
    ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
    ; GFX9: [[SEXT_INREG4:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY6]], 16
    ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[BITCAST3]](s32)
    ; GFX9: [[SEXT_INREG5:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY7]], 16
    ; GFX9: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[SEXT_INREG3]](s32), [[SEXT_INREG4]](s32), [[SEXT_INREG5]](s32)
    ; GFX9: [[EXTRACT3:%[0-9]+]]:_(s32) = G_EXTRACT [[BUILD_VECTOR1]](<3 x s32>), 32
    ; GFX9: [[EXTRACT4:%[0-9]+]]:_(s32) = G_EXTRACT [[BUILD_VECTOR]](<3 x s32>), 0
    ; GFX9: [[EXTRACT5:%[0-9]+]]:_(s32) = G_EXTRACT [[BUILD_VECTOR1]](<3 x s32>), 0
    ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[EXTRACT2]](s32)
    ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[EXTRACT3]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY8]](s32), [[COPY9]](s32)
    ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[EXTRACT4]](s32)
    ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[EXTRACT5]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY10]](s32), [[COPY11]](s32)
    ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
    ; GFX9: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
    %0:_(<4 x s16>) = COPY $vgpr0_vgpr1
    %1:_(<4 x s16>) = COPY $vgpr2_vgpr3
    %2:_(<3 x s16>) = G_EXTRACT %0, 0
    %3:_(<3 x s16>) = G_EXTRACT %1, 0
    %4:_(<4 x s16>) = G_SHUFFLE_VECTOR %2, %3, shufflemask(5, 1, 3, 0)
    $vgpr0_vgpr1 = COPY %4

...

---
name: shufflevector_v2s16_v4s16_1_0
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v4s16_1_0
    ; GFX8: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; GFX8: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr0_vgpr1
    ; GFX8: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
    ; GFX8: [[BITCAST:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]](<4 x s16>)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX8: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<2 x s32>), 0
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT]], [[C1]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]](<4 x s16>)
    ; GFX8: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST1]](<2 x s32>), 0
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C2]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C1]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v4s16_1_0
    ; GFX9: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; GFX9: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr0_vgpr1
    ; GFX9: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
    ; GFX9: [[BITCAST:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]](<4 x s16>)
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; GFX9: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<2 x s32>), 0
    ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT]], [[C1]](s32)
    ; GFX9: [[BITCAST1:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]](<4 x s16>)
    ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST1]](<2 x s32>), 0
    ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
    ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY2]](s32), [[COPY3]](s32)
    ; GFX9: $vgpr0 = COPY [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    %0:_(<4 x s16>) = COPY $vgpr0_vgpr1
    %1:_(<4 x s16>) = COPY $vgpr2_vgpr3
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(1, 0)
    $vgpr0 = COPY %2

...

---
name: shufflevector_v2s16_v4s16_1_3
tracksRegLiveness: true

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

    ; GFX8-LABEL: name: shufflevector_v2s16_v4s16_1_3
    ; GFX8: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; GFX8: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr0_vgpr1
    ; GFX8: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
    ; GFX8: [[BITCAST:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]](<4 x s16>)
    ; GFX8: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<2 x s32>), 0
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT]], [[C]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]](<4 x s16>)
    ; GFX8: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST1]](<2 x s32>), 32
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
    ; GFX8: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST2]](<2 x s16>)
    ; GFX9-LABEL: name: shufflevector_v2s16_v4s16_1_3
    ; GFX9: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; GFX9: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr0_vgpr1
    ; GFX9: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
    ; GFX9: [[BITCAST:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]](<4 x s16>)
    ; GFX9: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<2 x s32>), 0
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT]], [[C]](s32)
    ; GFX9: [[BITCAST1:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[COPY]](<4 x s16>)
    ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST1]](<2 x s32>), 32
    ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
    ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY2]](s32), [[COPY3]](s32)
    ; GFX9: $vgpr0 = COPY [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    %0:_(<4 x s16>) = COPY $vgpr0_vgpr1
    %1:_(<4 x s16>) = COPY $vgpr2_vgpr3
    %2:_(<2 x s16>) = G_SHUFFLE_VECTOR %0, %1, shufflemask(1, 3)
    $vgpr0 = COPY %2

...