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

---
name: test_unmerge_values_s1_trunc_v2s1_of_build_vector_v2s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s1_trunc_v2s1_of_build_vector_v2s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV]](s32), [[UV2]]
    ; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV1]](s32), [[UV3]]
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[ICMP]](s1)
    ; CHECK: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[ICMP1]](s1)
    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[ANYEXT]](s32)
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
    ; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY2]], [[C]](s32)
    ; CHECK: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[SHL]], [[C]](s32)
    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[ANYEXT1]](s32)
    ; CHECK: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[COPY3]], [[C]](s32)
    ; CHECK: [[ASHR1:%[0-9]+]]:_(s32) = G_ASHR [[SHL1]], [[C]](s32)
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[ASHR]](s32), [[ASHR1]](s32)
    ; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %0(<2 x s32>)
    %4:_(s32), %5:_(s32) = G_UNMERGE_VALUES %1(<2 x s32>)
    %6:_(s1) = G_ICMP intpred(ne), %2(s32), %4
    %7:_(s1) = G_ICMP intpred(ne), %3(s32), %5
    %8:_(s32) = G_ANYEXT %6(s1)
    %9:_(s32) = G_ANYEXT %7(s1)
    %10:_(<2 x s32>) = G_BUILD_VECTOR %8, %9
    %11:_(<2 x s1>) = G_TRUNC %10(<2 x s32>)
    %12:_(s1), %13:_(s1) = G_UNMERGE_VALUES %11
    %14:_(s32) = G_SEXT %12
    %15:_(s32) = G_SEXT %13
    %16:_(<2 x s32>) = G_BUILD_VECTOR %14, %15
    $vgpr0_vgpr1 = COPY %16

...

# Requires looking thorugh extra copies between the build_vector,
# trunc and unmerge.
---
name: test_unmerge_values_s1_trunc_v2s1_of_build_vector_v2s32_extra_copies
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s1_trunc_v2s1_of_build_vector_v2s32_extra_copies
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV]](s32), [[UV2]]
    ; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV1]](s32), [[UV3]]
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[ICMP]](s1)
    ; CHECK: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[ICMP1]](s1)
    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[ANYEXT]](s32)
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
    ; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY2]], [[C]](s32)
    ; CHECK: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[SHL]], [[C]](s32)
    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[ANYEXT1]](s32)
    ; CHECK: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[COPY3]], [[C]](s32)
    ; CHECK: [[ASHR1:%[0-9]+]]:_(s32) = G_ASHR [[SHL1]], [[C]](s32)
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[ASHR]](s32), [[ASHR1]](s32)
    ; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %0(<2 x s32>)
    %4:_(s32), %5:_(s32) = G_UNMERGE_VALUES %1(<2 x s32>)
    %6:_(s1) = G_ICMP intpred(ne), %2(s32), %4
    %7:_(s1) = G_ICMP intpred(ne), %3(s32), %5
    %8:_(s32) = G_ANYEXT %6(s1)
    %9:_(s32) = G_ANYEXT %7(s1)
    %10:_(<2 x s32>) = G_BUILD_VECTOR %8, %9
    %11:_(<2 x s32>) = COPY %10
    %12:_(<2 x s1>) = G_TRUNC %11(<2 x s32>)
    %13:_(<2 x s1>) = COPY %12
    %14:_(s1), %15:_(s1) = G_UNMERGE_VALUES %13
    %16:_(s32) = G_SEXT %14
    %17:_(s32) = G_SEXT %15
    %18:_(<2 x s32>) = G_BUILD_VECTOR %16, %17
    $vgpr0_vgpr1 = COPY %18

...

---
name: test_unmerge_values_s32_sext_v2s32_of_build_vector_v2s16
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s32_sext_v2s32_of_build_vector_v2s16
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV]](s32), [[UV2]]
    ; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV1]](s32), [[UV3]]
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s16) = G_ANYEXT [[ICMP]](s1)
    ; CHECK: [[ANYEXT1:%[0-9]+]]:_(s16) = G_ANYEXT [[ICMP1]](s1)
    ; CHECK: [[SEXT:%[0-9]+]]:_(s32) = G_SEXT [[ANYEXT]](s16)
    ; CHECK: [[SEXT1:%[0-9]+]]:_(s32) = G_SEXT [[ANYEXT1]](s16)
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[SEXT]](s32), [[SEXT1]](s32)
    ; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %0(<2 x s32>)
    %4:_(s32), %5:_(s32) = G_UNMERGE_VALUES %1(<2 x s32>)
    %6:_(s1) = G_ICMP intpred(ne), %2(s32), %4
    %7:_(s1) = G_ICMP intpred(ne), %3(s32), %5
    %8:_(s16) = G_ANYEXT %6
    %9:_(s16) = G_ANYEXT %7
    %10:_(<2 x s16>) = G_BUILD_VECTOR %8, %9
    %11:_(<2 x s32>) = G_SEXT %10
    %12:_(s32), %13:_(s32) = G_UNMERGE_VALUES %11
    %14:_(<2 x s32>) = G_BUILD_VECTOR %12, %13
    $vgpr0_vgpr1 = COPY %14

...

---
name: test_unmerge_values_s32_zext_v2s32_of_build_vector_v2s16
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s32_zext_v2s32_of_build_vector_v2s16
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV]](s32), [[UV2]]
    ; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV1]](s32), [[UV3]]
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s16) = G_ANYEXT [[ICMP]](s1)
    ; CHECK: [[ANYEXT1:%[0-9]+]]:_(s16) = G_ANYEXT [[ICMP1]](s1)
    ; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[ANYEXT]](s16)
    ; CHECK: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[ANYEXT1]](s16)
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[ZEXT]](s32), [[ZEXT1]](s32)
    ; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %0(<2 x s32>)
    %4:_(s32), %5:_(s32) = G_UNMERGE_VALUES %1(<2 x s32>)
    %6:_(s1) = G_ICMP intpred(ne), %2(s32), %4
    %7:_(s1) = G_ICMP intpred(ne), %3(s32), %5
    %8:_(s16) = G_ANYEXT %6(s1)
    %9:_(s16) = G_ANYEXT %7(s1)
    %10:_(<2 x s16>) = G_BUILD_VECTOR %8, %9
    %11:_(<2 x s32>) = G_ZEXT %10
    %12:_(s32), %13:_(s32) = G_UNMERGE_VALUES %11
    %14:_(<2 x s32>) = G_BUILD_VECTOR %12(s32), %13(s32)
    $vgpr0_vgpr1 = COPY %14(<2 x s32>)

...

---
name: test_unmerge_values_s32_anyext_v2s32_of_build_vector_v2s16
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s32_anyext_v2s32_of_build_vector_v2s16
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV]](s32), [[UV2]]
    ; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV1]](s32), [[UV3]]
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[ICMP]](s1)
    ; CHECK: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[ICMP1]](s1)
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[ANYEXT]](s32), [[ANYEXT1]](s32)
    ; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %0(<2 x s32>)
    %4:_(s32), %5:_(s32) = G_UNMERGE_VALUES %1(<2 x s32>)
    %6:_(s1) = G_ICMP intpred(ne), %2(s32), %4
    %7:_(s1) = G_ICMP intpred(ne), %3(s32), %5
    %8:_(s16) = G_ANYEXT %6(s1)
    %9:_(s16) = G_ANYEXT %7(s1)
    %10:_(<2 x s16>) = G_BUILD_VECTOR %8, %9
    %11:_(<2 x s32>) = G_ANYEXT %10
    %12:_(s32), %13:_(s32) = G_UNMERGE_VALUES %11
    %14:_(<2 x s32>) = G_BUILD_VECTOR %12, %13
    $vgpr0_vgpr1 = COPY %14

...

---
name: test_unmerge_values_v2s16_zext_v4s32_of_build_vector_v4s16

body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_v2s16_zext_v4s32_of_build_vector_v4s16
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV]](s32), [[UV2]]
    ; CHECK: [[ICMP1:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[UV1]](s32), [[UV3]]
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s16) = G_ANYEXT [[ICMP]](s1)
    ; CHECK: [[ANYEXT1:%[0-9]+]]:_(s16) = G_ANYEXT [[ICMP1]](s1)
    ; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[ANYEXT]](s16)
    ; CHECK: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[ANYEXT1]](s16)
    ; CHECK: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[ANYEXT]](s16)
    ; CHECK: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[ANYEXT1]](s16)
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[ZEXT]](s32), [[ZEXT1]](s32), [[ZEXT2]](s32), [[ZEXT3]](s32)
    ; CHECK: [[UV4:%[0-9]+]]:_(<2 x s16>), [[UV5:%[0-9]+]]:_(<2 x s16>), [[UV6:%[0-9]+]]:_(<2 x s16>), [[UV7:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s32>)
    ; CHECK: S_ENDPGM 0, implicit [[UV4]](<2 x s16>), implicit [[UV5]](<2 x s16>), implicit [[UV6]](<2 x s16>), implicit [[UV7]](<2 x s16>)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %2:_(s32), %3:_(s32) = G_UNMERGE_VALUES %0(<2 x s32>)
    %4:_(s32), %5:_(s32) = G_UNMERGE_VALUES %1(<2 x s32>)
    %6:_(s1) = G_ICMP intpred(ne), %2(s32), %4
    %7:_(s1) = G_ICMP intpred(ne), %3(s32), %5
    %8:_(s16) = G_ANYEXT %6
    %9:_(s16) = G_ANYEXT %7
    %10:_(<4 x s16>) = G_BUILD_VECTOR %8, %9, %8, %9
    %11:_(<4 x s32>) = G_ZEXT %10
    %12:_(<2 x s16>), %13:_(<2 x s16>), %14:_(<2 x s16>), %15:_(<2 x s16>) = G_UNMERGE_VALUES %11
    S_ENDPGM 0, implicit %12, implicit %13, implicit %14, implicit %15

...

---
name: test_unmerge_values_s1_trunc_v4s1_of_concat_vectors_v4s32_v2s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s1_trunc_v4s1_of_concat_vectors_v4s32_v2s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 31
    ; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY2]], [[C]](s32)
    ; CHECK: [[ASHR:%[0-9]+]]:_(s32) = G_ASHR [[SHL]], [[C]](s32)
    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
    ; CHECK: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[COPY3]], [[C]](s32)
    ; CHECK: [[ASHR1:%[0-9]+]]:_(s32) = G_ASHR [[SHL1]], [[C]](s32)
    ; CHECK: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
    ; CHECK: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[COPY4]], [[C]](s32)
    ; CHECK: [[ASHR2:%[0-9]+]]:_(s32) = G_ASHR [[SHL2]], [[C]](s32)
    ; CHECK: [[COPY5:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
    ; CHECK: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[COPY5]], [[C]](s32)
    ; CHECK: [[ASHR3:%[0-9]+]]:_(s32) = G_ASHR [[SHL3]], [[C]](s32)
    ; CHECK: $vgpr0 = COPY [[ASHR]](s32)
    ; CHECK: $vgpr1 = COPY [[ASHR1]](s32)
    ; CHECK: $vgpr2 = COPY [[ASHR2]](s32)
    ; CHECK: $vgpr3 = COPY [[ASHR3]](s32)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
    %2:_(<4 x s32>) = G_CONCAT_VECTORS %0, %1
    %3:_(<4 x s1>) = G_TRUNC %2
    %4:_(s1), %5:_(s1), %6:_(s1), %7:_(s1) = G_UNMERGE_VALUES %3
    %8:_(s32) = G_SEXT %4
    %9:_(s32) = G_SEXT %5
    %10:_(s32) = G_SEXT %6
    %11:_(s32) = G_SEXT %7
    $vgpr0 = COPY %8
    $vgpr1 = COPY %9
    $vgpr2 = COPY %10
    $vgpr3 = COPY %11
...

---
name: test_unmerge_values_s16_of_concat_vectors_v2s16_v2s16
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s16_of_concat_vectors_v2s16_v2s16
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
    ; CHECK: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST]](s32)
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR]](s32)
    ; CHECK: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
    ; CHECK: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST1]](s32)
    ; CHECK: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
    ; CHECK: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR1]](s32)
    ; CHECK: S_ENDPGM 0, implicit [[TRUNC]](s16), implicit [[TRUNC1]](s16), implicit [[TRUNC2]](s16), implicit [[TRUNC3]](s16)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = COPY $vgpr1
    %2:_(<4 x s16>) = G_CONCAT_VECTORS %0, %1
    %3:_(s16), %4:_(s16), %5:_(s16), %6:_(s16) = G_UNMERGE_VALUES %2
    S_ENDPGM 0, implicit %3, implicit %4, implicit %5, implicit %6
...

---
name: test_unmerge_values_s32_of_concat_vectors_v2s32_v2s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s32_of_concat_vectors_v2s32_v2s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr1_vgpr2
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: S_ENDPGM 0, implicit [[UV]](s32), implicit [[UV1]](s32), implicit [[UV2]](s32), implicit [[UV3]](s32)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr1_vgpr2
    %2:_(<4 x s32>) = G_CONCAT_VECTORS %0, %1
    %3:_(s32), %4:_(s32), %5:_(s32), %6:_(s32) = G_UNMERGE_VALUES %2
    S_ENDPGM 0, implicit %3, implicit %4, implicit %5, implicit %6
...

---
name: test_unmerge_values_s32_of_concat_vectors_v2s64_v2s64
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s32_of_concat_vectors_v2s64_v2s64
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s64>)
    ; CHECK: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32), [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>)
    ; CHECK: S_ENDPGM 0, implicit [[UV]](s32), implicit [[UV1]](s32), implicit [[UV2]](s32), implicit [[UV3]](s32), implicit [[UV4]](s32), implicit [[UV5]](s32), implicit [[UV6]](s32), implicit [[UV7]](s32)
    %0:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    %1:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
    %2:_(<4 x s64>) = G_CONCAT_VECTORS %0, %1
    %3:_(s32), %4:_(s32), %5:_(s32), %6:_(s32), %7:_(s32), %8:_(s32), %9:_(s32), %10:_(s32) = G_UNMERGE_VALUES %2
    S_ENDPGM 0, implicit %3, implicit %4, implicit %5, implicit %6, implicit %7, implicit %8, implicit %9, implicit %10
...

---
name: test_unmerge_values_s32_of_trunc_concat_vectors_v2s64_v2s64
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s32_of_trunc_concat_vectors_v2s64_v2s64
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
    ; CHECK: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>)
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[UV]](s64)
    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[UV1]](s64)
    ; CHECK: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>)
    ; CHECK: [[TRUNC2:%[0-9]+]]:_(s32) = G_TRUNC [[UV2]](s64)
    ; CHECK: [[TRUNC3:%[0-9]+]]:_(s32) = G_TRUNC [[UV3]](s64)
    ; CHECK: S_ENDPGM 0, implicit [[TRUNC]](s32), implicit [[TRUNC1]](s32), implicit [[TRUNC2]](s32), implicit [[TRUNC3]](s32)
    %0:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    %1:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
    %2:_(<4 x s64>) = G_CONCAT_VECTORS %0, %1
    %3:_(<4 x s32>) = G_TRUNC %2
    %4:_(s32), %5:_(s32), %6:_(s32), %7:_(s32) = G_UNMERGE_VALUES %3
    S_ENDPGM 0, implicit %4, implicit %5, implicit %6, implicit %7
...

---
name: test_unmerge_values_s64_of_sext_concat_vectors_v2s32_v2s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s64_of_sext_concat_vectors_v2s32_v2s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[UV]](s32)
    ; CHECK: [[SEXT1:%[0-9]+]]:_(s64) = G_SEXT [[UV1]](s32)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: [[SEXT2:%[0-9]+]]:_(s64) = G_SEXT [[UV2]](s32)
    ; CHECK: [[SEXT3:%[0-9]+]]:_(s64) = G_SEXT [[UV3]](s32)
    ; CHECK: S_ENDPGM 0, implicit [[SEXT]](s64), implicit [[SEXT1]](s64), implicit [[SEXT2]](s64), implicit [[SEXT3]](s64)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
    %2:_(<4 x s32>) = G_CONCAT_VECTORS %0, %1
    %3:_(<4 x s64>) = G_SEXT %2
    %4:_(s64), %5:_(s64), %6:_(s64), %7:_(s64) = G_UNMERGE_VALUES %3
    S_ENDPGM 0, implicit %4, implicit %5, implicit %6, implicit %7
...

---
name: test_unmerge_values_s64_of_zext_concat_vectors_v2s32_v2s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s64_of_zext_concat_vectors_v2s32_v2s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[UV]](s32)
    ; CHECK: [[ZEXT1:%[0-9]+]]:_(s64) = G_ZEXT [[UV1]](s32)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: [[ZEXT2:%[0-9]+]]:_(s64) = G_ZEXT [[UV2]](s32)
    ; CHECK: [[ZEXT3:%[0-9]+]]:_(s64) = G_ZEXT [[UV3]](s32)
    ; CHECK: S_ENDPGM 0, implicit [[ZEXT]](s64), implicit [[ZEXT1]](s64), implicit [[ZEXT2]](s64), implicit [[ZEXT3]](s64)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
    %2:_(<4 x s32>) = G_CONCAT_VECTORS %0, %1
    %3:_(<4 x s64>) = G_ZEXT %2
    %4:_(s64), %5:_(s64), %6:_(s64), %7:_(s64) = G_UNMERGE_VALUES %3
    S_ENDPGM 0, implicit %4, implicit %5, implicit %6, implicit %7
...

---
name: test_unmerge_values_s64_of_anyext_concat_vectors_v2s32_v2s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s64_of_anyext_concat_vectors_v2s32_v2s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[UV]](s32)
    ; CHECK: [[ANYEXT1:%[0-9]+]]:_(s64) = G_ANYEXT [[UV1]](s32)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: [[ANYEXT2:%[0-9]+]]:_(s64) = G_ANYEXT [[UV2]](s32)
    ; CHECK: [[ANYEXT3:%[0-9]+]]:_(s64) = G_ANYEXT [[UV3]](s32)
    ; CHECK: S_ENDPGM 0, implicit [[ANYEXT]](s64), implicit [[ANYEXT1]](s64), implicit [[ANYEXT2]](s64), implicit [[ANYEXT3]](s64)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
    %2:_(<4 x s32>) = G_CONCAT_VECTORS %0, %1
    %3:_(<4 x s64>) = G_ANYEXT %2
    %4:_(s64), %5:_(s64), %6:_(s64), %7:_(s64) = G_UNMERGE_VALUES %3
    S_ENDPGM 0, implicit %4, implicit %5, implicit %6, implicit %7
...

---
name: test_unmerge_values_s8_of_trunc_v4s16_concat_vectors_v2s32_v2s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s8_of_trunc_v4s16_concat_vectors_v2s32_v2s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[UV]](s32)
    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[UV1]](s32)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: [[TRUNC2:%[0-9]+]]:_(s8) = G_TRUNC [[UV2]](s32)
    ; CHECK: [[TRUNC3:%[0-9]+]]:_(s8) = G_TRUNC [[UV3]](s32)
    ; CHECK: S_ENDPGM 0, implicit [[TRUNC]](s8), implicit [[TRUNC1]](s8), implicit %6:_(s8), implicit %7:_(s8), implicit [[TRUNC2]](s8), implicit [[TRUNC3]](s8), implicit %10:_(s8), implicit %11:_(s8)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
    %2:_(<4 x s32>) = G_CONCAT_VECTORS %0, %1
    %3:_(<4 x s16>) = G_TRUNC %2
    %4:_(s8), %5:_(s8), %6:_(s8), %7:_(s8), %8:_(s8), %9:_(s8), %10:_(s8), %11:_(s8) = G_UNMERGE_VALUES %3
    S_ENDPGM 0, implicit %4, implicit %5, implicit %6, implicit %7, implicit %8, implicit %9, implicit %10, implicit %11
...

---
name: test_unmerge_values_s16_of_anyext_v4s64_concat_vectors_v2s32_v2s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s16_of_anyext_v4s64_concat_vectors_v2s32_v2s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[UV]](s32)
    ; CHECK: [[ANYEXT1:%[0-9]+]]:_(s64) = G_ANYEXT [[UV1]](s32)
    ; CHECK: [[ANYEXT2:%[0-9]+]]:_(s64) = G_ANYEXT [[UV2]](s32)
    ; CHECK: [[ANYEXT3:%[0-9]+]]:_(s64) = G_ANYEXT [[UV3]](s32)
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s64>) = G_BUILD_VECTOR [[ANYEXT]](s64), [[ANYEXT1]](s64), [[ANYEXT2]](s64), [[ANYEXT3]](s64)
    ; CHECK: [[UV4:%[0-9]+]]:_(s16), [[UV5:%[0-9]+]]:_(s16), [[UV6:%[0-9]+]]:_(s16), [[UV7:%[0-9]+]]:_(s16), [[UV8:%[0-9]+]]:_(s16), [[UV9:%[0-9]+]]:_(s16), [[UV10:%[0-9]+]]:_(s16), [[UV11:%[0-9]+]]:_(s16), [[UV12:%[0-9]+]]:_(s16), [[UV13:%[0-9]+]]:_(s16), [[UV14:%[0-9]+]]:_(s16), [[UV15:%[0-9]+]]:_(s16), [[UV16:%[0-9]+]]:_(s16), [[UV17:%[0-9]+]]:_(s16), [[UV18:%[0-9]+]]:_(s16), [[UV19:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[BUILD_VECTOR]](<4 x s64>)
    ; CHECK: S_ENDPGM 0, implicit [[UV4]](s16), implicit [[UV5]](s16), implicit [[UV6]](s16), implicit [[UV7]](s16)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
    %2:_(<4 x s32>) = G_CONCAT_VECTORS %0, %1
    %3:_(<4 x s64>) = G_ANYEXT %2
    %4:_(s16), %5:_(s16), %6:_(s16), %7:_(s16), %8:_(s16), %9:_(s16), %10:_(s16), %11:_(s16), %12:_(s16), %13:_(s16), %14:_(s16), %15:_(s16), %16:_(s16), %17:_(s16), %18:_(s16), %19:_(s16) = G_UNMERGE_VALUES %3
    S_ENDPGM 0, implicit %4, implicit %5, implicit %6, implicit %7
...

# FIXME: Handle this
---
name: test_unmerge_values_s32_of_concat_vectors_v4s32_v4s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s32_of_concat_vectors_v4s32_v4s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
    ; CHECK: [[COPY2:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr4_vgpr5
    ; CHECK: [[COPY3:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr6_vgpr7
    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s32>) = G_CONCAT_VECTORS [[COPY]](<2 x s32>), [[COPY1]](<2 x s32>), [[COPY2]](<2 x s32>), [[COPY3]](<2 x s32>)
    ; CHECK: [[TRUNC:%[0-9]+]]:_(<8 x s16>) = G_TRUNC [[CONCAT_VECTORS]](<8 x s32>)
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[TRUNC]](<8 x s16>)
    ; CHECK: S_ENDPGM 0, implicit [[UV]](s32), implicit [[UV1]](s32), implicit [[UV2]](s32), implicit [[UV3]](s32)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
    %2:_(<2 x s32>) = COPY $vgpr4_vgpr5
    %3:_(<2 x s32>) = COPY $vgpr6_vgpr7
    %4:_(<8 x s32>) = G_CONCAT_VECTORS %0, %1, %2, %3
    %5:_(<8 x s16>) = G_TRUNC %4
    %6:_(s32), %7:_(s32), %8:_(s32), %9:_(s32) = G_UNMERGE_VALUES %5
    S_ENDPGM 0, implicit %6, implicit %7, implicit %8, implicit %9
...

---
name: test_unmerge_values_s64_of_build_vector_v4s32
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_values_s64_of_build_vector_v4s32
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr2
    ; CHECK: [[COPY3:%[0-9]+]]:_(s32) = COPY $vgpr3
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
    ; CHECK: [[TRUNC:%[0-9]+]]:_(<4 x s16>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[TRUNC]](<4 x s16>)
    ; CHECK: S_ENDPGM 0, implicit [[UV]](s32), implicit [[UV1]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s32) = COPY $vgpr2
    %3:_(s32) = COPY $vgpr3
    %4:_(<4 x s32>) = G_BUILD_VECTOR %0, %1, %2, %3
    %5:_(<4 x s16>) = G_TRUNC %4
    %6:_(s32), %7:_(s32) = G_UNMERGE_VALUES %5
    S_ENDPGM 0, implicit %6, implicit %7
...