# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc  -march=aarch64 -O0 -run-pass=legalizer  %s -o - | FileCheck %s

---
name:            test_merge_s4
body: |
  bb.0:
    ; CHECK-LABEL: name: test_merge_s4
    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
    ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
    ; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
    ; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C2]]
    ; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 15
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[C]](s64)
    ; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[TRUNC]], [[C3]]
    ; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[AND]](s32)
    ; CHECK: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 15
    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[C]](s64)
    ; CHECK: [[AND2:%[0-9]+]]:_(s32) = G_AND [[TRUNC1]], [[C4]]
    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[SHL]](s32)
    ; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[COPY1]]
    ; CHECK: [[TRUNC2:%[0-9]+]]:_(s8) = G_TRUNC [[OR]](s32)
    ; CHECK: [[COPY2:%[0-9]+]]:_(s8) = COPY [[TRUNC2]](s8)
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[COPY2]](s8)
    ; CHECK: $x0 = COPY [[ANYEXT]](s64)
    %0:_(s64) = G_CONSTANT i64 0
    %1:_(s4) = G_TRUNC %0

    %2:_(s8) = G_MERGE_VALUES %1, %1
    %3:_(s8) = COPY %2
    %4:_(s64) = G_ANYEXT %3
    $x0 = COPY %4
...