# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx900 -run-pass=legalizer -global-isel-abort=0 %s -o - | FileCheck -check-prefix=GFX9 %s
# RUN: llc -O0 -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -run-pass=legalizer -global-isel-abort=0 %s -o - | FileCheck -check-prefix=GFX8 %s
# RUN: llc -O0 -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=legalizer -global-isel-abort=0 %s -o - | FileCheck -check-prefix=GFX6 %s

---
name: test_sext_inreg_s32_1
body: |
  bb.0:
    liveins: $vgpr0

    ; GFX9-LABEL: name: test_sext_inreg_s32_1
    ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 1
    ; GFX9: $vgpr0 = COPY [[SEXT_INREG]](s32)
    ; GFX8-LABEL: name: test_sext_inreg_s32_1
    ; GFX8: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 1
    ; GFX8: $vgpr0 = COPY [[SEXT_INREG]](s32)
    ; GFX6-LABEL: name: test_sext_inreg_s32_1
    ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 1
    ; GFX6: $vgpr0 = COPY [[SEXT_INREG]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = G_SEXT_INREG %0, 1
    $vgpr0 = COPY %1
...

---
name: test_sext_inreg_s32_2
body: |
  bb.0:
    liveins: $vgpr0

    ; GFX9-LABEL: name: test_sext_inreg_s32_2
    ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 2
    ; GFX9: $vgpr0 = COPY [[SEXT_INREG]](s32)
    ; GFX8-LABEL: name: test_sext_inreg_s32_2
    ; GFX8: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 2
    ; GFX8: $vgpr0 = COPY [[SEXT_INREG]](s32)
    ; GFX6-LABEL: name: test_sext_inreg_s32_2
    ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 2
    ; GFX6: $vgpr0 = COPY [[SEXT_INREG]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = G_SEXT_INREG %0, 2
    $vgpr0 = COPY %1
...

---
name: test_sext_inreg_s32_8
body: |
  bb.0:
    liveins: $vgpr0

    ; GFX9-LABEL: name: test_sext_inreg_s32_8
    ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 8
    ; GFX9: $vgpr0 = COPY [[SEXT_INREG]](s32)
    ; GFX8-LABEL: name: test_sext_inreg_s32_8
    ; GFX8: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 8
    ; GFX8: $vgpr0 = COPY [[SEXT_INREG]](s32)
    ; GFX6-LABEL: name: test_sext_inreg_s32_8
    ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 8
    ; GFX6: $vgpr0 = COPY [[SEXT_INREG]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = G_SEXT_INREG %0, 8
    $vgpr0 = COPY %1
...

---
name: test_sext_inreg_s32_16
body: |
  bb.0:
    liveins: $vgpr0

    ; GFX9-LABEL: name: test_sext_inreg_s32_16
    ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 8
    ; GFX9: $vgpr0 = COPY [[SEXT_INREG]](s32)
    ; GFX8-LABEL: name: test_sext_inreg_s32_16
    ; GFX8: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 8
    ; GFX8: $vgpr0 = COPY [[SEXT_INREG]](s32)
    ; GFX6-LABEL: name: test_sext_inreg_s32_16
    ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 8
    ; GFX6: $vgpr0 = COPY [[SEXT_INREG]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = G_SEXT_INREG %0, 8
    $vgpr0 = COPY %1
...

---
name: test_sext_inreg_s32_31
body: |
  bb.0:
    liveins: $vgpr0

    ; GFX9-LABEL: name: test_sext_inreg_s32_31
    ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 31
    ; GFX9: $vgpr0 = COPY [[SEXT_INREG]](s32)
    ; GFX8-LABEL: name: test_sext_inreg_s32_31
    ; GFX8: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 31
    ; GFX8: $vgpr0 = COPY [[SEXT_INREG]](s32)
    ; GFX6-LABEL: name: test_sext_inreg_s32_31
    ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 31
    ; GFX6: $vgpr0 = COPY [[SEXT_INREG]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = G_SEXT_INREG %0, 31
    $vgpr0 = COPY %1
...

---
name: test_sext_inreg_s64_1
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX9-LABEL: name: test_sext_inreg_s64_1
    ; GFX9: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 1
    ; GFX9: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX8-LABEL: name: test_sext_inreg_s64_1
    ; GFX8: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 1
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX6-LABEL: name: test_sext_inreg_s64_1
    ; GFX6: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 1
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_SEXT_INREG %0, 1
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sext_inreg_s64_2
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX9-LABEL: name: test_sext_inreg_s64_2
    ; GFX9: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 2
    ; GFX9: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX8-LABEL: name: test_sext_inreg_s64_2
    ; GFX8: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 2
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX6-LABEL: name: test_sext_inreg_s64_2
    ; GFX6: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 2
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_SEXT_INREG %0, 2
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sext_inreg_s64_8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX9-LABEL: name: test_sext_inreg_s64_8
    ; GFX9: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 8
    ; GFX9: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX8-LABEL: name: test_sext_inreg_s64_8
    ; GFX8: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 8
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX6-LABEL: name: test_sext_inreg_s64_8
    ; GFX6: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 8
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_SEXT_INREG %0, 8
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sext_inreg_s64_16
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX9-LABEL: name: test_sext_inreg_s64_16
    ; GFX9: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 8
    ; GFX9: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX8-LABEL: name: test_sext_inreg_s64_16
    ; GFX8: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 8
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX6-LABEL: name: test_sext_inreg_s64_16
    ; GFX6: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 8
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_SEXT_INREG %0, 8
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sext_inreg_s64_31
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX9-LABEL: name: test_sext_inreg_s64_31
    ; GFX9: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 31
    ; GFX9: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX8-LABEL: name: test_sext_inreg_s64_31
    ; GFX8: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 31
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX6-LABEL: name: test_sext_inreg_s64_31
    ; GFX6: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 31
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_SEXT_INREG %0, 31
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sext_inreg_s64_32
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX9-LABEL: name: test_sext_inreg_s64_32
    ; GFX9: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 32
    ; GFX9: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX8-LABEL: name: test_sext_inreg_s64_32
    ; GFX8: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 32
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX6-LABEL: name: test_sext_inreg_s64_32
    ; GFX6: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 32
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_SEXT_INREG %0, 32
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sext_inreg_s64_33
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX9-LABEL: name: test_sext_inreg_s64_33
    ; GFX9: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 33
    ; GFX9: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX8-LABEL: name: test_sext_inreg_s64_33
    ; GFX8: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 33
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX6-LABEL: name: test_sext_inreg_s64_33
    ; GFX6: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 33
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_SEXT_INREG %0, 33
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sext_inreg_s64_63
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX9-LABEL: name: test_sext_inreg_s64_63
    ; GFX9: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 63
    ; GFX9: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX8-LABEL: name: test_sext_inreg_s64_63
    ; GFX8: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 63
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    ; GFX6-LABEL: name: test_sext_inreg_s64_63
    ; GFX6: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[COPY]], 63
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXT_INREG]](s64)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_SEXT_INREG %0, 63
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sext_inreg_s16_1
body: |
  bb.0:
    liveins: $vgpr0

    ; GFX9-LABEL: name: test_sext_inreg_s16_1
    ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY1]], 1
    ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SEXT_INREG]](s32)
    ; GFX9: S_ENDPGM 0, implicit [[TRUNC]](s16)
    ; GFX8-LABEL: name: test_sext_inreg_s16_1
    ; GFX8: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
    ; GFX8: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 15
    ; GFX8: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[TRUNC]], [[C]](s16)
    ; GFX8: [[ASHR:%[0-9]+]]:_(s16) = G_ASHR [[SHL]], [[C]](s16)
    ; GFX8: S_ENDPGM 0, implicit [[ASHR]](s16)
    ; GFX6-LABEL: name: test_sext_inreg_s16_1
    ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY1]], 1
    ; GFX6: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SEXT_INREG]](s32)
    ; GFX6: S_ENDPGM 0, implicit [[TRUNC]](s16)
    %0:_(s32) = COPY $vgpr0
    %1:_(s16) = G_TRUNC %0
    %2:_(s16) = G_SEXT_INREG %1, 1
    S_ENDPGM 0, implicit %2

...

---
name: test_sext_inreg_s16_15
body: |
  bb.0:
    liveins: $vgpr0

    ; GFX9-LABEL: name: test_sext_inreg_s16_15
    ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY1]], 15
    ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SEXT_INREG]](s32)
    ; GFX9: S_ENDPGM 0, implicit [[TRUNC]](s16)
    ; GFX8-LABEL: name: test_sext_inreg_s16_15
    ; GFX8: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
    ; GFX8: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 1
    ; GFX8: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[TRUNC]], [[C]](s16)
    ; GFX8: [[ASHR:%[0-9]+]]:_(s16) = G_ASHR [[SHL]], [[C]](s16)
    ; GFX8: S_ENDPGM 0, implicit [[ASHR]](s16)
    ; GFX6-LABEL: name: test_sext_inreg_s16_15
    ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY1]], 15
    ; GFX6: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SEXT_INREG]](s32)
    ; GFX6: S_ENDPGM 0, implicit [[TRUNC]](s16)
    %0:_(s32) = COPY $vgpr0
    %1:_(s16) = G_TRUNC %0
    %2:_(s16) = G_SEXT_INREG %1, 15
    S_ENDPGM 0, implicit %2

...

---
name: test_sext_inreg_s96_8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2

    ; GFX9-LABEL: name: test_sext_inreg_s96_8
    ; GFX9: [[COPY:%[0-9]+]]:_(s96) = COPY $vgpr0_vgpr1_vgpr2
    ; GFX9: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s96)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX9: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[SEXT_INREG]](s64)
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
    ; GFX9: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[UV1]], [[C]](s32)
    ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[UV]](s32), [[UV1]](s32)
    ; GFX9: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[ASHR]](s32), [[ASHR]](s32)
    ; GFX9: [[MV2:%[0-9]+]]:_(s192) = G_MERGE_VALUES [[MV]](s64), [[MV1]](s64), [[MV1]](s64)
    ; GFX9: [[TRUNC1:%[0-9]+]]:_(s96) = G_TRUNC [[MV2]](s192)
    ; GFX9: $vgpr0_vgpr1_vgpr2 = COPY [[TRUNC1]](s96)
    ; GFX8-LABEL: name: test_sext_inreg_s96_8
    ; GFX8: [[COPY:%[0-9]+]]:_(s96) = COPY $vgpr0_vgpr1_vgpr2
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s96)
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX8: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[SEXT_INREG]](s64)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
    ; GFX8: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[UV1]], [[C]](s32)
    ; GFX8: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[UV]](s32), [[UV1]](s32)
    ; GFX8: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[ASHR]](s32), [[ASHR]](s32)
    ; GFX8: [[MV2:%[0-9]+]]:_(s192) = G_MERGE_VALUES [[MV]](s64), [[MV1]](s64), [[MV1]](s64)
    ; GFX8: [[TRUNC1:%[0-9]+]]:_(s96) = G_TRUNC [[MV2]](s192)
    ; GFX8: $vgpr0_vgpr1_vgpr2 = COPY [[TRUNC1]](s96)
    ; GFX6-LABEL: name: test_sext_inreg_s96_8
    ; GFX6: [[COPY:%[0-9]+]]:_(s96) = COPY $vgpr0_vgpr1_vgpr2
    ; GFX6: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s96)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX6: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[SEXT_INREG]](s64)
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
    ; GFX6: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[UV1]], [[C]](s32)
    ; GFX6: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[UV]](s32), [[UV1]](s32)
    ; GFX6: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[ASHR]](s32), [[ASHR]](s32)
    ; GFX6: [[MV2:%[0-9]+]]:_(s192) = G_MERGE_VALUES [[MV]](s64), [[MV1]](s64), [[MV1]](s64)
    ; GFX6: [[TRUNC1:%[0-9]+]]:_(s96) = G_TRUNC [[MV2]](s192)
    ; GFX6: $vgpr0_vgpr1_vgpr2 = COPY [[TRUNC1]](s96)
    %0:_(s96) = COPY $vgpr0_vgpr1_vgpr2
    %1:_(s96) = G_SEXT_INREG %0, 8
    $vgpr0_vgpr1_vgpr2 = COPY %1
...

---
name: test_sext_inreg_s128_8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2_vgpr3

    ; GFX9-LABEL: name: test_sext_inreg_s128_8
    ; GFX9: [[COPY:%[0-9]+]]:_(s128) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; GFX9: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s128)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX9: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX9: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64)
    ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[MV]](s128)
    ; GFX8-LABEL: name: test_sext_inreg_s128_8
    ; GFX8: [[COPY:%[0-9]+]]:_(s128) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s128)
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX8: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX8: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64)
    ; GFX8: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[MV]](s128)
    ; GFX6-LABEL: name: test_sext_inreg_s128_8
    ; GFX6: [[COPY:%[0-9]+]]:_(s128) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; GFX6: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s128)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX6: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX6: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64)
    ; GFX6: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[MV]](s128)
    %0:_(s128) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    %1:_(s128) = G_SEXT_INREG %0, 8
    $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
...

---
name: test_sext_inreg_s160_8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4

    ; GFX9-LABEL: name: test_sext_inreg_s160_8
    ; GFX9: [[COPY:%[0-9]+]]:_(s160) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4
    ; GFX9: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s160)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX9: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[SEXT_INREG]](s64)
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
    ; GFX9: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[UV1]], [[C]](s32)
    ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[UV]](s32), [[UV1]](s32)
    ; GFX9: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[ASHR]](s32), [[ASHR]](s32)
    ; GFX9: [[MV2:%[0-9]+]]:_(s320) = G_MERGE_VALUES [[MV]](s64), [[MV1]](s64), [[MV1]](s64), [[MV1]](s64), [[MV1]](s64)
    ; GFX9: [[TRUNC1:%[0-9]+]]:_(s160) = G_TRUNC [[MV2]](s320)
    ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4 = COPY [[TRUNC1]](s160)
    ; GFX8-LABEL: name: test_sext_inreg_s160_8
    ; GFX8: [[COPY:%[0-9]+]]:_(s160) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s160)
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX8: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[SEXT_INREG]](s64)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
    ; GFX8: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[UV1]], [[C]](s32)
    ; GFX8: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[UV]](s32), [[UV1]](s32)
    ; GFX8: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[ASHR]](s32), [[ASHR]](s32)
    ; GFX8: [[MV2:%[0-9]+]]:_(s320) = G_MERGE_VALUES [[MV]](s64), [[MV1]](s64), [[MV1]](s64), [[MV1]](s64), [[MV1]](s64)
    ; GFX8: [[TRUNC1:%[0-9]+]]:_(s160) = G_TRUNC [[MV2]](s320)
    ; GFX8: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4 = COPY [[TRUNC1]](s160)
    ; GFX6-LABEL: name: test_sext_inreg_s160_8
    ; GFX6: [[COPY:%[0-9]+]]:_(s160) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4
    ; GFX6: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s160)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX6: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[SEXT_INREG]](s64)
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
    ; GFX6: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[UV1]], [[C]](s32)
    ; GFX6: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[UV]](s32), [[UV1]](s32)
    ; GFX6: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[ASHR]](s32), [[ASHR]](s32)
    ; GFX6: [[MV2:%[0-9]+]]:_(s320) = G_MERGE_VALUES [[MV]](s64), [[MV1]](s64), [[MV1]](s64), [[MV1]](s64), [[MV1]](s64)
    ; GFX6: [[TRUNC1:%[0-9]+]]:_(s160) = G_TRUNC [[MV2]](s320)
    ; GFX6: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4 = COPY [[TRUNC1]](s160)
    %0:_(s160) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4
    %1:_(s160) = G_SEXT_INREG %0, 8
    $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4 = COPY %1
...

---
name: test_sext_inreg_256_8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7

    ; GFX9-LABEL: name: test_sext_inreg_256_8
    ; GFX9: [[COPY:%[0-9]+]]:_(s256) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
    ; GFX9: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s256)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX9: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX9: [[MV:%[0-9]+]]:_(s256) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64)
    ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[MV]](s256)
    ; GFX8-LABEL: name: test_sext_inreg_256_8
    ; GFX8: [[COPY:%[0-9]+]]:_(s256) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s256)
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX8: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX8: [[MV:%[0-9]+]]:_(s256) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64)
    ; GFX8: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[MV]](s256)
    ; GFX6-LABEL: name: test_sext_inreg_256_8
    ; GFX6: [[COPY:%[0-9]+]]:_(s256) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
    ; GFX6: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s256)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX6: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX6: [[MV:%[0-9]+]]:_(s256) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64)
    ; GFX6: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[MV]](s256)
    %0:_(s256) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
    %1:_(s256) = G_SEXT_INREG %0, 8
    $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %1
...

---
name: test_sext_inreg_512_8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15

    ; GFX9-LABEL: name: test_sext_inreg_512_8
    ; GFX9: [[COPY:%[0-9]+]]:_(s512) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
    ; GFX9: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s512)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX9: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX9: [[MV:%[0-9]+]]:_(s512) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64)
    ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY [[MV]](s512)
    ; GFX8-LABEL: name: test_sext_inreg_512_8
    ; GFX8: [[COPY:%[0-9]+]]:_(s512) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s512)
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX8: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX8: [[MV:%[0-9]+]]:_(s512) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64)
    ; GFX8: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY [[MV]](s512)
    ; GFX6-LABEL: name: test_sext_inreg_512_8
    ; GFX6: [[COPY:%[0-9]+]]:_(s512) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
    ; GFX6: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s512)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX6: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX6: [[MV:%[0-9]+]]:_(s512) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64)
    ; GFX6: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY [[MV]](s512)
    %0:_(s512) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15
    %1:_(s512) = G_SEXT_INREG %0, 8
    $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15 = COPY %1
...

---
name: test_sext_inreg_1024_8
body: |
  bb.0:
    liveins:  $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31

    ; GFX9-LABEL: name: test_sext_inreg_1024_8
    ; GFX9: [[COPY:%[0-9]+]]:_(s1024) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
    ; GFX9: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s1024)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX9: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX9: [[MV:%[0-9]+]]:_(s1024) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64)
    ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = COPY [[MV]](s1024)
    ; GFX8-LABEL: name: test_sext_inreg_1024_8
    ; GFX8: [[COPY:%[0-9]+]]:_(s1024) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s1024)
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX8: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX8: [[MV:%[0-9]+]]:_(s1024) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64)
    ; GFX8: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = COPY [[MV]](s1024)
    ; GFX6-LABEL: name: test_sext_inreg_1024_8
    ; GFX6: [[COPY:%[0-9]+]]:_(s1024) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
    ; GFX6: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[COPY]](s1024)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 8
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX6: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX6: [[MV:%[0-9]+]]:_(s1024) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64), [[ASHR]](s64)
    ; GFX6: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = COPY [[MV]](s1024)
    %0:_(s1024) = COPY  $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31
    %1:_(s1024) = G_SEXT_INREG %0, 8
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9_vgpr10_vgpr11_vgpr12_vgpr13_vgpr14_vgpr15_vgpr16_vgpr17_vgpr18_vgpr19_vgpr20_vgpr21_vgpr22_vgpr23_vgpr24_vgpr25_vgpr26_vgpr27_vgpr28_vgpr29_vgpr30_vgpr31 = COPY %1
...

---
name: test_sext_inreg_v2s32_1
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX9-LABEL: name: test_sext_inreg_v2s32_1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; GFX9: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV]], 1
    ; GFX9: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV1]], 1
    ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[SEXT_INREG]](s32), [[SEXT_INREG1]](s32)
    ; GFX9: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    ; GFX8-LABEL: name: test_sext_inreg_v2s32_1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; GFX8: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV]], 1
    ; GFX8: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV1]], 1
    ; GFX8: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[SEXT_INREG]](s32), [[SEXT_INREG1]](s32)
    ; GFX8: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    ; GFX6-LABEL: name: test_sext_inreg_v2s32_1
    ; GFX6: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; GFX6: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV]], 1
    ; GFX6: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV1]], 1
    ; GFX6: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[SEXT_INREG]](s32), [[SEXT_INREG1]](s32)
    ; GFX6: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = G_SEXT_INREG %0, 1
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sext_inreg_v2s16_1
body: |
  bb.0:
    liveins: $vgpr0

    ; GFX9-LABEL: name: test_sext_inreg_v2s16_1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 15
    ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[C]](s32)
    ; GFX9: [[SHL:%[0-9]+]]:_(<2 x s16>) = G_SHL [[COPY]], [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    ; GFX9: [[ASHR:%[0-9]+]]:_(<2 x s16>) = G_ASHR [[SHL]], [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    ; GFX9: $vgpr0 = COPY [[ASHR]](<2 x s16>)
    ; GFX8-LABEL: name: test_sext_inreg_v2s16_1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST]](s32)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 15
    ; GFX8: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[TRUNC]], [[C1]](s16)
    ; GFX8: [[ASHR:%[0-9]+]]:_(s16) = G_ASHR [[SHL]], [[C1]](s16)
    ; GFX8: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[TRUNC1]], [[C1]](s16)
    ; GFX8: [[ASHR1:%[0-9]+]]:_(s16) = G_ASHR [[SHL1]], [[C1]](s16)
    ; GFX8: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR]](s16)
    ; GFX8: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR1]](s16)
    ; GFX8: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: $vgpr0 = COPY [[BITCAST1]](<2 x s16>)
    ; GFX6-LABEL: name: test_sext_inreg_v2s16_1
    ; GFX6: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; GFX6: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX6: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY1]], 1
    ; GFX6: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX6: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY2]], 1
    ; GFX6: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX6: [[COPY3:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG]](s32)
    ; GFX6: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
    ; GFX6: [[COPY4:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG1]](s32)
    ; GFX6: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
    ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C]](s32)
    ; GFX6: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX6: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX6: $vgpr0 = COPY [[BITCAST1]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = G_SEXT_INREG %0, 1
    $vgpr0 = COPY %1
...

---
name: test_sext_inreg_v3s16_1
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2
    ; GFX9-LABEL: name: test_sext_inreg_v3s16_1
    ; GFX9: [[COPY:%[0-9]+]]:_(<6 x s16>) = COPY $vgpr0_vgpr1_vgpr2
    ; GFX9: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>), [[UV2:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<6 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: [[COPY1:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
    ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[BITCAST1]](s32)
    ; GFX9: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
    ; GFX9: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[DEF]](s32)
    ; GFX9: [[DEF1:%[0-9]+]]:_(<2 x s16>) = G_IMPLICIT_DEF
    ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 15
    ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC2:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY4]](s32), [[C1]](s32)
    ; GFX9: [[SHL:%[0-9]+]]:_(<2 x s16>) = G_SHL [[BUILD_VECTOR_TRUNC]], [[BUILD_VECTOR_TRUNC2]](<2 x s16>)
    ; GFX9: [[ASHR:%[0-9]+]]:_(<2 x s16>) = G_ASHR [[SHL]], [[BUILD_VECTOR_TRUNC2]](<2 x s16>)
    ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
    ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC3:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY5]](s32), [[COPY6]](s32)
    ; GFX9: [[SHL1:%[0-9]+]]:_(<2 x s16>) = G_SHL [[BUILD_VECTOR_TRUNC1]], [[BUILD_VECTOR_TRUNC3]](<2 x s16>)
    ; GFX9: [[ASHR1:%[0-9]+]]:_(<2 x s16>) = G_ASHR [[SHL1]], [[BUILD_VECTOR_TRUNC3]](<2 x s16>)
    ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
    ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC4:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY7]](s32), [[COPY8]](s32)
    ; GFX9: [[SHL2:%[0-9]+]]:_(<2 x s16>) = G_SHL [[DEF1]], [[BUILD_VECTOR_TRUNC4]](<2 x s16>)
    ; GFX9: [[ASHR2:%[0-9]+]]:_(<2 x s16>) = G_ASHR [[SHL2]], [[BUILD_VECTOR_TRUNC4]](<2 x s16>)
    ; GFX9: [[DEF2:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
    ; GFX9: [[DEF3:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
    ; GFX9: [[BITCAST2:%[0-9]+]]:_(s32) = G_BITCAST [[ASHR]](<2 x s16>)
    ; GFX9: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C]](s32)
    ; GFX9: [[BITCAST3:%[0-9]+]]:_(s32) = G_BITCAST [[ASHR1]](<2 x s16>)
    ; GFX9: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST3]], [[C]](s32)
    ; GFX9: [[UV3:%[0-9]+]]:_(<2 x s16>), [[UV4:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[DEF2]](<4 x s16>)
    ; GFX9: [[BITCAST4:%[0-9]+]]:_(s32) = G_BITCAST [[UV3]](<2 x s16>)
    ; GFX9: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST4]], [[C]](s32)
    ; GFX9: [[BITCAST5:%[0-9]+]]:_(s32) = G_BITCAST [[UV4]](<2 x s16>)
    ; GFX9: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST5]], [[C]](s32)
    ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[BITCAST2]](s32)
    ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC5:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY9]](s32), [[COPY10]](s32)
    ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[BITCAST3]](s32)
    ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[BITCAST4]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC6:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY11]](s32), [[COPY12]](s32)
    ; GFX9: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
    ; GFX9: [[COPY14:%[0-9]+]]:_(s32) = COPY [[BITCAST5]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC7:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY13]](s32), [[COPY14]](s32)
    ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<6 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC5]](<2 x s16>), [[BUILD_VECTOR_TRUNC6]](<2 x s16>), [[BUILD_VECTOR_TRUNC7]](<2 x s16>)
    ; GFX9: $vgpr0_vgpr1_vgpr2 = COPY [[CONCAT_VECTORS]](<6 x s16>)
    ; GFX8-LABEL: name: test_sext_inreg_v3s16_1
    ; GFX8: [[COPY:%[0-9]+]]:_(<6 x s16>) = COPY $vgpr0_vgpr1_vgpr2
    ; GFX8: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>), [[UV2:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<6 x s16>)
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[UV]](<2 x s16>)
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST]](s32)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
    ; GFX8: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST1]](s32)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 15
    ; GFX8: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[TRUNC]], [[C1]](s16)
    ; GFX8: [[ASHR:%[0-9]+]]:_(s16) = G_ASHR [[SHL]], [[C1]](s16)
    ; GFX8: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[TRUNC1]], [[C1]](s16)
    ; GFX8: [[ASHR1:%[0-9]+]]:_(s16) = G_ASHR [[SHL1]], [[C1]](s16)
    ; GFX8: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[TRUNC2]], [[C1]](s16)
    ; GFX8: [[ASHR2:%[0-9]+]]:_(s16) = G_ASHR [[SHL2]], [[C1]](s16)
    ; GFX8: [[DEF:%[0-9]+]]:_(s16) = G_IMPLICIT_DEF
    ; GFX8: [[DEF1:%[0-9]+]]:_(<2 x s16>) = G_IMPLICIT_DEF
    ; GFX8: [[DEF2:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
    ; GFX8: [[DEF3:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
    ; GFX8: [[UV3:%[0-9]+]]:_(<2 x s16>), [[UV4:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[DEF2]](<4 x s16>)
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(s32) = G_BITCAST [[UV3]](<2 x s16>)
    ; GFX8: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C]](s32)
    ; GFX8: [[BITCAST3:%[0-9]+]]:_(s32) = G_BITCAST [[UV4]](<2 x s16>)
    ; GFX8: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST3]], [[C]](s32)
    ; GFX8: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR]](s16)
    ; GFX8: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR1]](s16)
    ; GFX8: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL3]]
    ; GFX8: [[BITCAST4:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR2]](s16)
    ; GFX8: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX8: [[COPY1:%[0-9]+]]:_(s32) = COPY [[BITCAST2]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C2]]
    ; GFX8: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND]], [[C]](s32)
    ; GFX8: [[OR1:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL4]]
    ; GFX8: [[BITCAST5:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
    ; GFX8: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
    ; GFX8: [[COPY3:%[0-9]+]]:_(s32) = COPY [[BITCAST3]](s32)
    ; GFX8: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C2]]
    ; GFX8: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C]](s32)
    ; GFX8: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND1]], [[SHL5]]
    ; GFX8: [[BITCAST6:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
    ; GFX8: [[CONCAT_VECTORS:%[0-9]+]]:_(<6 x s16>) = G_CONCAT_VECTORS [[BITCAST4]](<2 x s16>), [[BITCAST5]](<2 x s16>), [[BITCAST6]](<2 x s16>)
    ; GFX8: $vgpr0_vgpr1_vgpr2 = COPY [[CONCAT_VECTORS]](<6 x s16>)
    ; GFX6-LABEL: name: test_sext_inreg_v3s16_1
    ; GFX6: [[COPY:%[0-9]+]]:_(<6 x s16>) = COPY $vgpr0_vgpr1_vgpr2
    ; GFX6: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>), [[UV2:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<6 x s16>)
    ; GFX6: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[UV]](<2 x s16>)
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX6: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX6: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
    ; GFX6: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY1]], 1
    ; GFX6: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX6: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY2]], 1
    ; GFX6: [[COPY3:%[0-9]+]]:_(s32) = COPY [[BITCAST1]](s32)
    ; GFX6: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY3]], 1
    ; GFX6: [[DEF:%[0-9]+]]:_(s16) = G_IMPLICIT_DEF
    ; GFX6: [[DEF1:%[0-9]+]]:_(<2 x s16>) = G_IMPLICIT_DEF
    ; GFX6: [[DEF2:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
    ; GFX6: [[DEF3:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
    ; GFX6: [[UV3:%[0-9]+]]:_(<2 x s16>), [[UV4:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[DEF2]](<4 x s16>)
    ; GFX6: [[BITCAST2:%[0-9]+]]:_(s32) = G_BITCAST [[UV3]](<2 x s16>)
    ; GFX6: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C]](s32)
    ; GFX6: [[BITCAST3:%[0-9]+]]:_(s32) = G_BITCAST [[UV4]](<2 x s16>)
    ; GFX6: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST3]], [[C]](s32)
    ; GFX6: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX6: [[COPY4:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG]](s32)
    ; GFX6: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
    ; GFX6: [[COPY5:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG1]](s32)
    ; GFX6: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
    ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C]](s32)
    ; GFX6: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX6: [[BITCAST4:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX6: [[COPY6:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG2]](s32)
    ; GFX6: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
    ; GFX6: [[COPY7:%[0-9]+]]:_(s32) = COPY [[BITCAST2]](s32)
    ; GFX6: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
    ; GFX6: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C]](s32)
    ; GFX6: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
    ; GFX6: [[BITCAST5:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
    ; GFX6: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
    ; GFX6: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
    ; GFX6: [[COPY9:%[0-9]+]]:_(s32) = COPY [[BITCAST3]](s32)
    ; GFX6: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
    ; GFX6: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C]](s32)
    ; GFX6: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
    ; GFX6: [[BITCAST6:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
    ; GFX6: [[CONCAT_VECTORS:%[0-9]+]]:_(<6 x s16>) = G_CONCAT_VECTORS [[BITCAST4]](<2 x s16>), [[BITCAST5]](<2 x s16>), [[BITCAST6]](<2 x s16>)
    ; GFX6: $vgpr0_vgpr1_vgpr2 = COPY [[CONCAT_VECTORS]](<6 x s16>)
    %0:_(<6 x s16>) = COPY $vgpr0_vgpr1_vgpr2
    %1:_(<3 x s16>), %2:_(<3 x s16>) = G_UNMERGE_VALUES %0
    %3:_(<3 x s16>) = G_SEXT_INREG %1, 1
    %4:_(<3 x s16>) = G_IMPLICIT_DEF
    %5:_(<6 x s16>) = G_CONCAT_VECTORS %3, %4
    $vgpr0_vgpr1_vgpr2 = COPY %5
...

---
name: test_sext_inreg_v3s32_1
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2

    ; GFX9-LABEL: name: test_sext_inreg_v3s32_1
    ; GFX9: [[COPY:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
    ; GFX9: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<3 x s32>)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV]], 1
    ; GFX9: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV1]], 1
    ; GFX9: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV2]], 1
    ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[SEXT_INREG]](s32), [[SEXT_INREG1]](s32), [[SEXT_INREG2]](s32)
    ; GFX9: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
    ; GFX8-LABEL: name: test_sext_inreg_v3s32_1
    ; GFX8: [[COPY:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
    ; GFX8: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<3 x s32>)
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV]], 1
    ; GFX8: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV1]], 1
    ; GFX8: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV2]], 1
    ; GFX8: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[SEXT_INREG]](s32), [[SEXT_INREG1]](s32), [[SEXT_INREG2]](s32)
    ; GFX8: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
    ; GFX6-LABEL: name: test_sext_inreg_v3s32_1
    ; GFX6: [[COPY:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
    ; GFX6: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<3 x s32>)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV]], 1
    ; GFX6: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV1]], 1
    ; GFX6: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV2]], 1
    ; GFX6: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[SEXT_INREG]](s32), [[SEXT_INREG1]](s32), [[SEXT_INREG2]](s32)
    ; GFX6: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
    %0:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
    %1:_(<3 x s32>) = G_SEXT_INREG %0, 1
    $vgpr0_vgpr1_vgpr2 = COPY %1
...

---
name: test_sext_inreg_v4s32_1
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2_vgpr3

    ; GFX9-LABEL: name: test_sext_inreg_v4s32_1
    ; GFX9: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; GFX9: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<4 x s32>)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV]], 1
    ; GFX9: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV1]], 1
    ; GFX9: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV2]], 1
    ; GFX9: [[SEXT_INREG3:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV3]], 1
    ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[SEXT_INREG]](s32), [[SEXT_INREG1]](s32), [[SEXT_INREG2]](s32), [[SEXT_INREG3]](s32)
    ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
    ; GFX8-LABEL: name: test_sext_inreg_v4s32_1
    ; GFX8: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; GFX8: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<4 x s32>)
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV]], 1
    ; GFX8: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV1]], 1
    ; GFX8: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV2]], 1
    ; GFX8: [[SEXT_INREG3:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV3]], 1
    ; GFX8: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[SEXT_INREG]](s32), [[SEXT_INREG1]](s32), [[SEXT_INREG2]](s32), [[SEXT_INREG3]](s32)
    ; GFX8: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
    ; GFX6-LABEL: name: test_sext_inreg_v4s32_1
    ; GFX6: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; GFX6: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<4 x s32>)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV]], 1
    ; GFX6: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV1]], 1
    ; GFX6: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV2]], 1
    ; GFX6: [[SEXT_INREG3:%[0-9]+]]:_(s32) = G_SEXT_INREG [[UV3]], 1
    ; GFX6: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[SEXT_INREG]](s32), [[SEXT_INREG1]](s32), [[SEXT_INREG2]](s32), [[SEXT_INREG3]](s32)
    ; GFX6: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
    %0:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    %1:_(<4 x s32>) = G_SEXT_INREG %0, 1
    $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
...

---
name: test_sext_inreg_v4s16_1
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX9-LABEL: name: test_sext_inreg_v4s16_1
    ; GFX9: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr0_vgpr1
    ; GFX9: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 15
    ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[C]](s32)
    ; GFX9: [[SHL:%[0-9]+]]:_(<2 x s16>) = G_SHL [[UV]], [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    ; GFX9: [[ASHR:%[0-9]+]]:_(<2 x s16>) = G_ASHR [[SHL]], [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY2]](s32), [[COPY3]](s32)
    ; GFX9: [[SHL1:%[0-9]+]]:_(<2 x s16>) = G_SHL [[UV1]], [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
    ; GFX9: [[ASHR1:%[0-9]+]]:_(<2 x s16>) = G_ASHR [[SHL1]], [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
    ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[ASHR]](<2 x s16>), [[ASHR1]](<2 x s16>)
    ; GFX9: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
    ; GFX8-LABEL: name: test_sext_inreg_v4s16_1
    ; GFX8: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr0_vgpr1
    ; GFX8: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[UV]](<2 x s16>)
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST]](s32)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
    ; GFX8: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST1]](s32)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR1]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 15
    ; GFX8: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[TRUNC]], [[C1]](s16)
    ; GFX8: [[ASHR:%[0-9]+]]:_(s16) = G_ASHR [[SHL]], [[C1]](s16)
    ; GFX8: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[TRUNC1]], [[C1]](s16)
    ; GFX8: [[ASHR1:%[0-9]+]]:_(s16) = G_ASHR [[SHL1]], [[C1]](s16)
    ; GFX8: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[TRUNC2]], [[C1]](s16)
    ; GFX8: [[ASHR2:%[0-9]+]]:_(s16) = G_ASHR [[SHL2]], [[C1]](s16)
    ; GFX8: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[TRUNC3]], [[C1]](s16)
    ; GFX8: [[ASHR3:%[0-9]+]]:_(s16) = G_ASHR [[SHL3]], [[C1]](s16)
    ; GFX8: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR]](s16)
    ; GFX8: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR1]](s16)
    ; GFX8: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR2]](s16)
    ; GFX8: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR3]](s16)
    ; GFX8: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C]](s32)
    ; GFX8: [[OR1:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
    ; GFX8: [[BITCAST3:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
    ; GFX8: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST2]](<2 x s16>), [[BITCAST3]](<2 x s16>)
    ; GFX8: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
    ; GFX6-LABEL: name: test_sext_inreg_v4s16_1
    ; GFX6: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr0_vgpr1
    ; GFX6: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
    ; GFX6: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[UV]](<2 x s16>)
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX6: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX6: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
    ; GFX6: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY1]], 1
    ; GFX6: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX6: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY2]], 1
    ; GFX6: [[COPY3:%[0-9]+]]:_(s32) = COPY [[BITCAST1]](s32)
    ; GFX6: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY3]], 1
    ; GFX6: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX6: [[SEXT_INREG3:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY4]], 1
    ; GFX6: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX6: [[COPY5:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG]](s32)
    ; GFX6: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
    ; GFX6: [[COPY6:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG1]](s32)
    ; GFX6: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
    ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C]](s32)
    ; GFX6: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX6: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX6: [[COPY7:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG2]](s32)
    ; GFX6: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
    ; GFX6: [[COPY8:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG3]](s32)
    ; GFX6: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
    ; GFX6: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C]](s32)
    ; GFX6: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
    ; GFX6: [[BITCAST3:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
    ; GFX6: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST2]](<2 x s16>), [[BITCAST3]](<2 x s16>)
    ; GFX6: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
    %0:_(<4 x s16>) = COPY $vgpr0_vgpr1
    %1:_(<4 x s16>) = G_SEXT_INREG %0, 1
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sext_inreg_v6s16_1
body: |
  bb.0:

    ; GFX9-LABEL: name: test_sext_inreg_v6s16_1
    ; GFX9: [[DEF:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
    ; GFX9: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>), [[UV2:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[DEF]](<6 x s16>)
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 15
    ; GFX9: [[COPY:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY]](s32), [[C]](s32)
    ; GFX9: [[SHL:%[0-9]+]]:_(<2 x s16>) = G_SHL [[UV]], [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    ; GFX9: [[ASHR:%[0-9]+]]:_(<2 x s16>) = G_ASHR [[SHL]], [[BUILD_VECTOR_TRUNC]](<2 x s16>)
    ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
    ; GFX9: [[SHL1:%[0-9]+]]:_(<2 x s16>) = G_SHL [[UV1]], [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
    ; GFX9: [[ASHR1:%[0-9]+]]:_(<2 x s16>) = G_ASHR [[SHL1]], [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
    ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX9: [[BUILD_VECTOR_TRUNC2:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[COPY4]](s32)
    ; GFX9: [[SHL2:%[0-9]+]]:_(<2 x s16>) = G_SHL [[UV2]], [[BUILD_VECTOR_TRUNC2]](<2 x s16>)
    ; GFX9: [[ASHR2:%[0-9]+]]:_(<2 x s16>) = G_ASHR [[SHL2]], [[BUILD_VECTOR_TRUNC2]](<2 x s16>)
    ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<6 x s16>) = G_CONCAT_VECTORS [[ASHR]](<2 x s16>), [[ASHR1]](<2 x s16>), [[ASHR2]](<2 x s16>)
    ; GFX9: S_ENDPGM 0, implicit [[CONCAT_VECTORS]](<6 x s16>)
    ; GFX8-LABEL: name: test_sext_inreg_v6s16_1
    ; GFX8: [[DEF:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
    ; GFX8: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>), [[UV2:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[DEF]](<6 x s16>)
    ; GFX8: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[UV]](<2 x s16>)
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST]](s32)
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX8: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX8: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR]](s32)
    ; GFX8: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
    ; GFX8: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST1]](s32)
    ; GFX8: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX8: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR1]](s32)
    ; GFX8: [[BITCAST2:%[0-9]+]]:_(s32) = G_BITCAST [[UV2]](<2 x s16>)
    ; GFX8: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST2]](s32)
    ; GFX8: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C]](s32)
    ; GFX8: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR2]](s32)
    ; GFX8: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 15
    ; GFX8: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[TRUNC]], [[C1]](s16)
    ; GFX8: [[ASHR:%[0-9]+]]:_(s16) = G_ASHR [[SHL]], [[C1]](s16)
    ; GFX8: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[TRUNC1]], [[C1]](s16)
    ; GFX8: [[ASHR1:%[0-9]+]]:_(s16) = G_ASHR [[SHL1]], [[C1]](s16)
    ; GFX8: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[TRUNC2]], [[C1]](s16)
    ; GFX8: [[ASHR2:%[0-9]+]]:_(s16) = G_ASHR [[SHL2]], [[C1]](s16)
    ; GFX8: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[TRUNC3]], [[C1]](s16)
    ; GFX8: [[ASHR3:%[0-9]+]]:_(s16) = G_ASHR [[SHL3]], [[C1]](s16)
    ; GFX8: [[SHL4:%[0-9]+]]:_(s16) = G_SHL [[TRUNC4]], [[C1]](s16)
    ; GFX8: [[ASHR4:%[0-9]+]]:_(s16) = G_ASHR [[SHL4]], [[C1]](s16)
    ; GFX8: [[SHL5:%[0-9]+]]:_(s16) = G_SHL [[TRUNC5]], [[C1]](s16)
    ; GFX8: [[ASHR5:%[0-9]+]]:_(s16) = G_ASHR [[SHL5]], [[C1]](s16)
    ; GFX8: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR]](s16)
    ; GFX8: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR1]](s16)
    ; GFX8: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C]](s32)
    ; GFX8: [[OR:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL6]]
    ; GFX8: [[BITCAST3:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX8: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR2]](s16)
    ; GFX8: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR3]](s16)
    ; GFX8: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C]](s32)
    ; GFX8: [[OR1:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL7]]
    ; GFX8: [[BITCAST4:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
    ; GFX8: [[ZEXT4:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR4]](s16)
    ; GFX8: [[ZEXT5:%[0-9]+]]:_(s32) = G_ZEXT [[ASHR5]](s16)
    ; GFX8: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[ZEXT5]], [[C]](s32)
    ; GFX8: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT4]], [[SHL8]]
    ; GFX8: [[BITCAST5:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
    ; GFX8: [[CONCAT_VECTORS:%[0-9]+]]:_(<6 x s16>) = G_CONCAT_VECTORS [[BITCAST3]](<2 x s16>), [[BITCAST4]](<2 x s16>), [[BITCAST5]](<2 x s16>)
    ; GFX8: S_ENDPGM 0, implicit [[CONCAT_VECTORS]](<6 x s16>)
    ; GFX6-LABEL: name: test_sext_inreg_v6s16_1
    ; GFX6: [[DEF:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
    ; GFX6: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>), [[UV2:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[DEF]](<6 x s16>)
    ; GFX6: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[UV]](<2 x s16>)
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; GFX6: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; GFX6: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
    ; GFX6: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; GFX6: [[BITCAST2:%[0-9]+]]:_(s32) = G_BITCAST [[UV2]](<2 x s16>)
    ; GFX6: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C]](s32)
    ; GFX6: [[COPY:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY]], 1
    ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
    ; GFX6: [[SEXT_INREG1:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY1]], 1
    ; GFX6: [[COPY2:%[0-9]+]]:_(s32) = COPY [[BITCAST1]](s32)
    ; GFX6: [[SEXT_INREG2:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY2]], 1
    ; GFX6: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
    ; GFX6: [[SEXT_INREG3:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY3]], 1
    ; GFX6: [[COPY4:%[0-9]+]]:_(s32) = COPY [[BITCAST2]](s32)
    ; GFX6: [[SEXT_INREG4:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY4]], 1
    ; GFX6: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
    ; GFX6: [[SEXT_INREG5:%[0-9]+]]:_(s32) = G_SEXT_INREG [[COPY5]], 1
    ; GFX6: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; GFX6: [[COPY6:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG]](s32)
    ; GFX6: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
    ; GFX6: [[COPY7:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG1]](s32)
    ; GFX6: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
    ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C]](s32)
    ; GFX6: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
    ; GFX6: [[BITCAST3:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; GFX6: [[COPY8:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG2]](s32)
    ; GFX6: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
    ; GFX6: [[COPY9:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG3]](s32)
    ; GFX6: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
    ; GFX6: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C]](s32)
    ; GFX6: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
    ; GFX6: [[BITCAST4:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
    ; GFX6: [[COPY10:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG4]](s32)
    ; GFX6: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
    ; GFX6: [[COPY11:%[0-9]+]]:_(s32) = COPY [[SEXT_INREG5]](s32)
    ; GFX6: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
    ; GFX6: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C]](s32)
    ; GFX6: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
    ; GFX6: [[BITCAST5:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
    ; GFX6: [[CONCAT_VECTORS:%[0-9]+]]:_(<6 x s16>) = G_CONCAT_VECTORS [[BITCAST3]](<2 x s16>), [[BITCAST4]](<2 x s16>), [[BITCAST5]](<2 x s16>)
    ; GFX6: S_ENDPGM 0, implicit [[CONCAT_VECTORS]](<6 x s16>)
    %0:_(<6 x s16>) = G_IMPLICIT_DEF
    %1:_(<6 x s16>) = G_SEXT_INREG %0, 1
    S_ENDPGM 0, implicit %1

...

# FIXME: Should scalarize first
---
name: test_sext_inreg_v2s128_1
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7

    ; GFX9-LABEL: name: test_sext_inreg_v2s128_1
    ; GFX9: [[COPY:%[0-9]+]]:_(<2 x s128>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
    ; GFX9: [[UV:%[0-9]+]]:_(s128), [[UV1:%[0-9]+]]:_(s128) = G_UNMERGE_VALUES [[COPY]](<2 x s128>)
    ; GFX9: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[UV]](s128)
    ; GFX9: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 1
    ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX9: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX9: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64)
    ; GFX9: [[TRUNC1:%[0-9]+]]:_(s64) = G_TRUNC [[UV1]](s128)
    ; GFX9: [[SEXT_INREG1:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC1]], 1
    ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX9: [[ASHR1:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG1]], [[COPY1]](s32)
    ; GFX9: [[MV1:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[SEXT_INREG1]](s64), [[ASHR1]](s64)
    ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s128>) = G_BUILD_VECTOR [[MV]](s128), [[MV1]](s128)
    ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BUILD_VECTOR]](<2 x s128>)
    ; GFX8-LABEL: name: test_sext_inreg_v2s128_1
    ; GFX8: [[COPY:%[0-9]+]]:_(<2 x s128>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
    ; GFX8: [[UV:%[0-9]+]]:_(s128), [[UV1:%[0-9]+]]:_(s128) = G_UNMERGE_VALUES [[COPY]](<2 x s128>)
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[UV]](s128)
    ; GFX8: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 1
    ; GFX8: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX8: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX8: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64)
    ; GFX8: [[TRUNC1:%[0-9]+]]:_(s64) = G_TRUNC [[UV1]](s128)
    ; GFX8: [[SEXT_INREG1:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC1]], 1
    ; GFX8: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX8: [[ASHR1:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG1]], [[COPY1]](s32)
    ; GFX8: [[MV1:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[SEXT_INREG1]](s64), [[ASHR1]](s64)
    ; GFX8: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s128>) = G_BUILD_VECTOR [[MV]](s128), [[MV1]](s128)
    ; GFX8: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BUILD_VECTOR]](<2 x s128>)
    ; GFX6-LABEL: name: test_sext_inreg_v2s128_1
    ; GFX6: [[COPY:%[0-9]+]]:_(<2 x s128>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
    ; GFX6: [[UV:%[0-9]+]]:_(s128), [[UV1:%[0-9]+]]:_(s128) = G_UNMERGE_VALUES [[COPY]](<2 x s128>)
    ; GFX6: [[TRUNC:%[0-9]+]]:_(s64) = G_TRUNC [[UV]](s128)
    ; GFX6: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC]], 1
    ; GFX6: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
    ; GFX6: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG]], [[C]](s32)
    ; GFX6: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[SEXT_INREG]](s64), [[ASHR]](s64)
    ; GFX6: [[TRUNC1:%[0-9]+]]:_(s64) = G_TRUNC [[UV1]](s128)
    ; GFX6: [[SEXT_INREG1:%[0-9]+]]:_(s64) = G_SEXT_INREG [[TRUNC1]], 1
    ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32)
    ; GFX6: [[ASHR1:%[0-9]+]]:_(s64) = G_ASHR [[SEXT_INREG1]], [[COPY1]](s32)
    ; GFX6: [[MV1:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[SEXT_INREG1]](s64), [[ASHR1]](s64)
    ; GFX6: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s128>) = G_BUILD_VECTOR [[MV]](s128), [[MV1]](s128)
    ; GFX6: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BUILD_VECTOR]](<2 x s128>)
    %0:_(<2 x s128>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7
    %1:_(<2 x s128>) = G_SEXT_INREG %0, 1
    $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %1
...