# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64 -O0 -run-pass=legalizer %s -o -  | FileCheck %s --check-prefixes=CHECK,CHECK-O0
# RUN: llc -mtriple=aarch64 -run-pass=legalizer %s -o -  | FileCheck %s --check-prefixes=CHECK,CHECK-O2

---
name:  test_unmerge_s4_constant
body: |
  bb.0:
    ; CHECK-O0-LABEL: name: test_unmerge_s4_constant
    ; CHECK-O0: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
    ; CHECK-O0-NEXT: $x0 = COPY [[C]](s64)
    ;
    ; CHECK-O2-LABEL: name: test_unmerge_s4_constant
    ; CHECK-O2: [[C:%[0-9]+]]:_(s8) = G_CONSTANT i8 0
    ; CHECK-O2-NEXT: [[TRUNC:%[0-9]+]]:_(s4) = G_TRUNC [[C]](s8)
    ; CHECK-O2-NEXT: [[COPY:%[0-9]+]]:_(s4) = COPY [[TRUNC]](s4)
    ; CHECK-O2-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
    ; CHECK-O2-NEXT: $x0 = COPY [[C1]](s64)
    %0:_(s8) = G_CONSTANT i8 0
    %1:_(s4), %2:_(s4)= G_UNMERGE_VALUES %0
    %3:_(s64) = G_ANYEXT %1
    $x0 = COPY %3

...

---
name:  test_unmerge_s4
body: |
  bb.0:
    liveins: $w0
    ; CHECK-LABEL: name: test_unmerge_s4
    ; CHECK: liveins: $w0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
    ; CHECK-NEXT: [[UV:%[0-9]+]]:_(s8), [[UV1:%[0-9]+]]:_(s8), [[UV2:%[0-9]+]]:_(s8), [[UV3:%[0-9]+]]:_(s8) = G_UNMERGE_VALUES [[COPY]](s32)
    ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[UV]](s8)
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
    ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[ZEXT]], [[C]](s64)
    ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[UV]](s8)
    ; CHECK-NEXT: [[ANYEXT1:%[0-9]+]]:_(s64) = G_ANYEXT [[LSHR]](s32)
    ; CHECK-NEXT: $x0 = COPY [[ANYEXT]](s64)
    ; CHECK-NEXT: $x1 = COPY [[ANYEXT1]](s64)
    %0:_(s32) = COPY $w0
    %1:_(s8) = G_TRUNC %0
    %2:_(s4), %3:_(s4)= G_UNMERGE_VALUES %1
    %4:_(s64) = G_ANYEXT %2
    %5:_(s64) = G_ANYEXT %3
    $x0 = COPY %4
    $x1 = COPY %5

...

---
name:  test_unmerge_unmerge_s64
body: |
  bb.0:
    liveins: $x0,$d0,$d1,$d2
    ; CHECK-LABEL: name: test_unmerge_unmerge_s64
    ; CHECK: liveins: $x0, $d0, $d1, $d2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: $x0 = COPY [[COPY]](s64)
    ; CHECK-NEXT: $x1 = COPY [[COPY]](s64)
    ; CHECK-NEXT: $x2 = COPY [[COPY]](s64)
    %0:_(s64) = COPY $x0
    %1:_(<3 x s64>) = G_BUILD_VECTOR %0:_(s64), %0:_(s64), %0:_(s64)
    %2:_(s64), %3:_(s64), %4:_(s64) = G_UNMERGE_VALUES %1:_(<3 x s64>)
    $x0 = COPY %2:_(s64)
    $x1 = COPY %3:_(s64)
    $x2 = COPY %3:_(s64)

...

---
name:  test_unmerge_unmerge_to_p0
body: |
  bb.0:
    liveins: $x0,$d0,$d1,$d2
    ; CHECK-LABEL: name: test_unmerge_unmerge_to_p0
    ; CHECK: liveins: $x0, $d0, $d1, $d2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: [[INTTOPTR:%[0-9]+]]:_(p0) = G_INTTOPTR [[COPY]](s64)
    ; CHECK-NEXT: [[INTTOPTR1:%[0-9]+]]:_(p0) = G_INTTOPTR [[COPY]](s64)
    ; CHECK-NEXT: $x0 = COPY [[INTTOPTR]](p0)
    ; CHECK-NEXT: $x1 = COPY [[INTTOPTR1]](p0)
    ; CHECK-NEXT: $x2 = COPY [[INTTOPTR1]](p0)
    %0:_(s64) = COPY $x0
    %1:_(<3 x s64>) = G_BUILD_VECTOR %0:_(s64), %0:_(s64), %0:_(s64)
    %2:_(p0), %3:_(p0), %4:_(p0) = G_UNMERGE_VALUES %1:_(<3 x s64>)
    $x0 = COPY %2:_(p0)
    $x1 = COPY %3:_(p0)
    $x2 = COPY %3:_(p0)

...

---
name:  test_unmerge_unmerge_from_p0
body: |
  bb.0:
    liveins: $x0,$d0,$d1,$d2
    ; CHECK-LABEL: name: test_unmerge_unmerge_from_p0
    ; CHECK: liveins: $x0, $d0, $d1, $d2
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
    ; CHECK-NEXT: [[PTRTOINT:%[0-9]+]]:_(s64) = G_PTRTOINT [[COPY]](p0)
    ; CHECK-NEXT: [[PTRTOINT1:%[0-9]+]]:_(s64) = G_PTRTOINT [[COPY]](p0)
    ; CHECK-NEXT: $d0 = COPY [[PTRTOINT]](s64)
    ; CHECK-NEXT: $d1 = COPY [[PTRTOINT1]](s64)
    ; CHECK-NEXT: $d2 = COPY [[PTRTOINT1]](s64)
    %0:_(p0) = COPY $x0
    %1:_(<3 x p0>) = G_BUILD_VECTOR %0:_(p0), %0:_(p0), %0:_(p0)
    %2:_(s64), %3:_(s64), %4:_(s64) = G_UNMERGE_VALUES %1:_(<3 x p0>)
    $d0 = COPY %2:_(s64)
    $d1 = COPY %3:_(s64)
    $d2 = COPY %3:_(s64)

...