# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=aarch64 -O0 -run-pass=legalizer -global-isel-abort=0 %s -o -  | FileCheck %s
# RUN: llc -march=aarch64 -O0 -run-pass=legalizer -global-isel-abort=0 -pass-remarks-missed='gisel*'  %s -o /dev/null 2>&1  | FileCheck -check-prefix=ERROR %s
# ERROR: unable to legalize instruction: %3:_(s64) = G_ANYEXT %1:_(s4) (in function: test_unmerge_s4)

---
name:  test_unmerge_s4
body: |
  bb.0:
    ; CHECK-LABEL: name: test_unmerge_s4
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[C]](s32)
    ; CHECK: [[ZEXT:%[0-9]+]]:_(s16) = G_ZEXT [[TRUNC]](s8)
    ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[C1]](s32)
    ; CHECK: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[TRUNC1]](s16)
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[ZEXT]](s16)
    ; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[ANYEXT]], [[ZEXT1]](s32)
    ; CHECK: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
    ; CHECK: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[ZEXT]](s16)
    ; CHECK: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[TRUNC2]](s16)
    ; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[ANYEXT1]], [[ANYEXT2]]
    ; CHECK: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[OR]](s32)
    ; CHECK: [[UV:%[0-9]+]]:_(s8), [[UV1:%[0-9]+]]:_(s8) = G_UNMERGE_VALUES [[TRUNC3]](s16)
    ; CHECK: [[TRUNC4:%[0-9]+]]:_(s4) = G_TRUNC [[UV]](s8)
    ; CHECK: [[ANYEXT3:%[0-9]+]]:_(s64) = G_ANYEXT [[TRUNC4]](s4)
    ; CHECK: [[TRUNC5:%[0-9]+]]:_(s4) = G_TRUNC [[UV1]](s8)
    ; CHECK: $x0 = COPY [[ANYEXT3]](s64)
    %0:_(s8) = G_CONSTANT i8 0
    %1:_(s4), %2:_(s4)= G_UNMERGE_VALUES %0
    %3:_(s64) = G_ANYEXT %1
    $x0 = COPY %3

...