1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -march=aarch64 -O0 -run-pass=legalizer %s -o -  | FileCheck %s
3
4---
5name:  test_unmerge_s4_constant
6body: |
7  bb.0:
8    ; CHECK-LABEL: name: test_unmerge_s4_constant
9    ; CHECK: [[C:%[0-9]+]]:_(s8) = G_CONSTANT i8 0
10    ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
11    ; CHECK: $x0 = COPY [[C1]](s64)
12    %0:_(s8) = G_CONSTANT i8 0
13    %1:_(s4), %2:_(s4)= G_UNMERGE_VALUES %0
14    %3:_(s64) = G_ANYEXT %1
15    $x0 = COPY %3
16
17...
18
19---
20name:  test_unmerge_s4
21body: |
22  bb.0:
23    liveins: $w0
24    ; CHECK-LABEL: name: test_unmerge_s4
25    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
26    ; CHECK: [[UV:%[0-9]+]]:_(s8), [[UV1:%[0-9]+]]:_(s8), [[UV2:%[0-9]+]]:_(s8), [[UV3:%[0-9]+]]:_(s8) = G_UNMERGE_VALUES [[COPY]](s32)
27    ; CHECK: [[C:%[0-9]+]]:_(s8) = G_CONSTANT i8 4
28    ; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[UV]](s8)
29    ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
30    ; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[ZEXT]], [[C1]](s64)
31    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[UV]](s8)
32    ; CHECK: [[ANYEXT1:%[0-9]+]]:_(s64) = G_ANYEXT [[LSHR]](s32)
33    ; CHECK: $x0 = COPY [[ANYEXT]](s64)
34    ; CHECK: $x1 = COPY [[ANYEXT1]](s64)
35    %0:_(s32) = COPY $w0
36    %1:_(s8) = G_TRUNC %0
37    %2:_(s4), %3:_(s4)= G_UNMERGE_VALUES %1
38    %4:_(s64) = G_ANYEXT %2
39    %5:_(s64) = G_ANYEXT %3
40    $x0 = COPY %4
41    $x1 = COPY %5
42
43...
44