# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -run-pass=legalizer -global-isel-abort=2 -pass-remarks-missed='gisel*' -o - 2> %t %s | FileCheck -check-prefix=GFX8 %s
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=legalizer -global-isel-abort=2 -o - %s | FileCheck -check-prefix=GFX6  %s
# RUN: FileCheck -check-prefixes=ERR %s < %t

# FIXME: Run with and without unaligned access turned on

# ERR-NOT: remark
# ERR: remark: <unknown>:0:0: unable to legalize instruction: %1:_(<2 x s16>) = G_SEXTLOAD %0:_(p1) :: (load 2, addrspace 1) (in function: test_sextload_global_v2i16_from_2)
# ERR-NEXT: remark: <unknown>:0:0: unable to legalize instruction: %1:_(<2 x s32>) = G_SEXTLOAD %0:_(p1) :: (load 2, addrspace 1) (in function: test_sextload_global_v2i32_from_2)
# ERR-NEXT: remark: <unknown>:0:0: unable to legalize instruction: %1:_(<2 x s32>) = G_SEXTLOAD %0:_(p1) :: (load 4, addrspace 1) (in function: test_sextload_global_v2i32_from_4)
# ERR-NEXT: remark: <unknown>:0:0: unable to legalize instruction: %1:_(<2 x s64>) = G_SEXTLOAD %0:_(p1) :: (load 4, addrspace 1) (in function: test_sextload_global_v2i64_from_4)
# ERR-NEXT: remark: <unknown>:0:0: unable to legalize instruction: %1:_(<2 x s64>) = G_SEXTLOAD %0:_(p1) :: (load 8, addrspace 1) (in function: test_sextload_global_v2i64_from_8)
# ERR-NOT: remark

---
name: test_sextload_global_i32_i8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_i32_i8
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[COPY]](p1) :: (load 1, addrspace 1)
    ; GFX8: $vgpr0 = COPY [[SEXTLOAD]](s32)
    ; GFX6-LABEL: name: test_sextload_global_i32_i8
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[COPY]](p1) :: (load 1, addrspace 1)
    ; GFX6: $vgpr0 = COPY [[SEXTLOAD]](s32)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s32) = G_SEXTLOAD %0 :: (load 1, addrspace 1)
    $vgpr0 = COPY %1
...
---
name: test_sextload_global_i32_i16
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_i32_i16
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[COPY]](p1) :: (load 2, addrspace 1)
    ; GFX8: $vgpr0 = COPY [[SEXTLOAD]](s32)
    ; GFX6-LABEL: name: test_sextload_global_i32_i16
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[COPY]](p1) :: (load 2, addrspace 1)
    ; GFX6: $vgpr0 = COPY [[SEXTLOAD]](s32)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s32) = G_SEXTLOAD %0 :: (load 2, addrspace 1)
    $vgpr0 = COPY %1
...
---
name: test_sextload_global_i31_i8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_i31_i8
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[COPY]](p1) :: (load 1, addrspace 1)
    ; GFX8: [[COPY1:%[0-9]+]]:_(s32) = COPY [[SEXTLOAD]](s32)
    ; GFX8: $vgpr0 = COPY [[COPY1]](s32)
    ; GFX6-LABEL: name: test_sextload_global_i31_i8
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[COPY]](p1) :: (load 1, addrspace 1)
    ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[SEXTLOAD]](s32)
    ; GFX6: $vgpr0 = COPY [[COPY1]](s32)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s31) = G_SEXTLOAD %0 :: (load 1, addrspace 1)
    %2:_(s32) = G_ANYEXT %1
    $vgpr0 = COPY %2
...
---
name: test_sextload_global_i64_i8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_i64_i8
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[COPY]](p1) :: (load 1, addrspace 1)
    ; GFX8: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[SEXTLOAD]](s32)
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT]](s64)
    ; GFX6-LABEL: name: test_sextload_global_i64_i8
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[COPY]](p1) :: (load 1, addrspace 1)
    ; GFX6: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[SEXTLOAD]](s32)
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXT]](s64)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_SEXTLOAD %0 :: (load 1, addrspace 1)
    $vgpr0_vgpr1 = COPY %1
...
---
name: test_sextload_global_i64_i16
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_i64_i16
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[COPY]](p1) :: (load 2, addrspace 1)
    ; GFX8: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[SEXTLOAD]](s32)
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT]](s64)
    ; GFX6-LABEL: name: test_sextload_global_i64_i16
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXTLOAD:%[0-9]+]]:_(s32) = G_SEXTLOAD [[COPY]](p1) :: (load 2, addrspace 1)
    ; GFX6: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[SEXTLOAD]](s32)
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXT]](s64)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_SEXTLOAD %0 :: (load 2, addrspace 1)
    $vgpr0_vgpr1 = COPY %1
...
---
name: test_sextload_global_i64_i32
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_i64_i32
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 4, addrspace 1)
    ; GFX8: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[LOAD]](s32)
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT]](s64)
    ; GFX6-LABEL: name: test_sextload_global_i64_i32
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 4, addrspace 1)
    ; GFX6: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[LOAD]](s32)
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXT]](s64)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_SEXTLOAD %0 :: (load 4, addrspace 1)
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sextload_global_s32_from_2_align1
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_s32_from_2_align1
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
    ; GFX8: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
    ; GFX8: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
    ; GFX8: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 + 1, addrspace 1)
    ; GFX8: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
    ; GFX8: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
    ; GFX8: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
    ; GFX8: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
    ; GFX8: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[SEXT:%[0-9]+]]:_(s32) = G_SEXT [[OR]](s16)
    ; GFX8: $vgpr0 = COPY [[SEXT]](s32)
    ; GFX6-LABEL: name: test_sextload_global_s32_from_2_align1
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
    ; GFX6: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
    ; GFX6: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
    ; GFX6: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 + 1, addrspace 1)
    ; GFX6: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
    ; GFX6: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
    ; GFX6: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
    ; GFX6: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
    ; GFX6: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
    ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
    ; GFX6: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
    ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
    ; GFX6: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
    ; GFX6: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
    ; GFX6: [[SEXT:%[0-9]+]]:_(s32) = G_SEXT [[OR]](s16)
    ; GFX6: $vgpr0 = COPY [[SEXT]](s32)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s32) = G_SEXTLOAD %0 :: (load 2, align 1, addrspace 1)
    $vgpr0 = COPY %1
...

---
name: test_sextload_global_s64_from_2_align1
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_s64_from_2_align1
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
    ; GFX8: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
    ; GFX8: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
    ; GFX8: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 + 1, addrspace 1)
    ; GFX8: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
    ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
    ; GFX8: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
    ; GFX8: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
    ; GFX8: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
    ; GFX8: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
    ; GFX8: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
    ; GFX8: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
    ; GFX8: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[OR]](s16)
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT]](s64)
    ; GFX6-LABEL: name: test_sextload_global_s64_from_2_align1
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
    ; GFX6: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
    ; GFX6: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
    ; GFX6: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 + 1, addrspace 1)
    ; GFX6: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
    ; GFX6: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
    ; GFX6: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
    ; GFX6: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
    ; GFX6: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
    ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
    ; GFX6: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
    ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
    ; GFX6: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
    ; GFX6: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
    ; GFX6: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[OR]](s16)
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXT]](s64)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_SEXTLOAD %0 :: (load 2, align 1, addrspace 1)
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sextload_global_v2i16_from_2
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_v2i16_from_2
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXTLOAD:%[0-9]+]]:_(<2 x s16>) = G_SEXTLOAD [[COPY]](p1) :: (load 2, addrspace 1)
    ; GFX8: $vgpr0 = COPY [[SEXTLOAD]](<2 x s16>)
    ; GFX6-LABEL: name: test_sextload_global_v2i16_from_2
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXTLOAD:%[0-9]+]]:_(<2 x s16>) = G_SEXTLOAD [[COPY]](p1) :: (load 2, addrspace 1)
    ; GFX6: $vgpr0 = COPY [[SEXTLOAD]](<2 x s16>)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(<2 x s16>) = G_SEXTLOAD %0 :: (load 2, addrspace 1)
    $vgpr0 = COPY %1
...

---
name: test_sextload_global_v2i32_from_2
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_v2i32_from_2
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXTLOAD:%[0-9]+]]:_(<2 x s32>) = G_SEXTLOAD [[COPY]](p1) :: (load 2, addrspace 1)
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXTLOAD]](<2 x s32>)
    ; GFX6-LABEL: name: test_sextload_global_v2i32_from_2
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXTLOAD:%[0-9]+]]:_(<2 x s32>) = G_SEXTLOAD [[COPY]](p1) :: (load 2, addrspace 1)
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXTLOAD]](<2 x s32>)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = G_SEXTLOAD %0 :: (load 2, addrspace 1)
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sextload_global_v2i32_from_4
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_v2i32_from_4
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXTLOAD:%[0-9]+]]:_(<2 x s32>) = G_SEXTLOAD [[COPY]](p1) :: (load 4, addrspace 1)
    ; GFX8: $vgpr0_vgpr1 = COPY [[SEXTLOAD]](<2 x s32>)
    ; GFX6-LABEL: name: test_sextload_global_v2i32_from_4
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXTLOAD:%[0-9]+]]:_(<2 x s32>) = G_SEXTLOAD [[COPY]](p1) :: (load 4, addrspace 1)
    ; GFX6: $vgpr0_vgpr1 = COPY [[SEXTLOAD]](<2 x s32>)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = G_SEXTLOAD %0 :: (load 4, addrspace 1)
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_sextload_global_v2i64_from_4
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_v2i64_from_4
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXTLOAD:%[0-9]+]]:_(<2 x s64>) = G_SEXTLOAD [[COPY]](p1) :: (load 4, addrspace 1)
    ; GFX8: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[SEXTLOAD]](<2 x s64>)
    ; GFX6-LABEL: name: test_sextload_global_v2i64_from_4
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXTLOAD:%[0-9]+]]:_(<2 x s64>) = G_SEXTLOAD [[COPY]](p1) :: (load 4, addrspace 1)
    ; GFX6: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[SEXTLOAD]](<2 x s64>)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(<2 x s64>) = G_SEXTLOAD %0 :: (load 4, addrspace 1)
    $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
...

---
name: test_sextload_global_v2i64_from_8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; GFX8-LABEL: name: test_sextload_global_v2i64_from_8
    ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX8: [[SEXTLOAD:%[0-9]+]]:_(<2 x s64>) = G_SEXTLOAD [[COPY]](p1) :: (load 8, addrspace 1)
    ; GFX8: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[SEXTLOAD]](<2 x s64>)
    ; GFX6-LABEL: name: test_sextload_global_v2i64_from_8
    ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; GFX6: [[SEXTLOAD:%[0-9]+]]:_(<2 x s64>) = G_SEXTLOAD [[COPY]](p1) :: (load 8, addrspace 1)
    ; GFX6: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[SEXTLOAD]](<2 x s64>)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(<2 x s64>) = G_SEXTLOAD %0 :: (load 8, addrspace 1)
    $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
...