1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -march=aarch64 -run-pass=legalizer -O0 %s -o - | FileCheck %s
3---
4name:            test_implicit_def
5body: |
6  bb.0.entry:
7    liveins:
8
9    ; CHECK-LABEL: name: test_implicit_def
10    ; CHECK: [[DEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
11    ; CHECK: $x0 = COPY [[DEF]](s64)
12    %0:_(s128) = G_IMPLICIT_DEF
13    %1:_(s64) = G_TRUNC %0(s128)
14    $x0 = COPY %1(s64)
15...
16
17---
18name: test_implicit_def_s3
19body: |
20  bb.0:
21    liveins:
22
23    ; CHECK-LABEL: name: test_implicit_def_s3
24    ; CHECK: [[DEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
25    ; CHECK: [[SEXT_INREG:%[0-9]+]]:_(s64) = G_SEXT_INREG [[DEF]], 3
26    ; CHECK: $x0 = COPY [[SEXT_INREG]](s64)
27    %0:_(s3) = G_IMPLICIT_DEF
28    %1:_(s64) = G_SEXT %0
29    $x0 = COPY %1(s64)
30...
31
32# FIXME: s2 not correctly handled
33
34---
35name: test_implicit_def_v4s32
36body: |
37  bb.0:
38
39    ; CHECK-LABEL: name: test_implicit_def_v4s32
40    ; CHECK: [[DEF:%[0-9]+]]:_(<4 x s32>) = G_IMPLICIT_DEF
41    ; CHECK: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[DEF]](<4 x s32>)
42    ; CHECK: $x0 = COPY [[UV]](<2 x s32>)
43    ; CHECK: $x1 = COPY [[UV1]](<2 x s32>)
44    %0:_(<4 x s32>) = G_IMPLICIT_DEF
45    %1:_(<2 x s32> ), %2:_(<2 x s32>) = G_UNMERGE_VALUES %0
46    $x0 = COPY %1
47    $x1 = COPY %2
48...
49
50---
51name: test_implicit_def_v4s64
52body: |
53  bb.0:
54
55    ; CHECK-LABEL: name: test_implicit_def_v4s64
56    ; CHECK: [[DEF:%[0-9]+]]:_(<2 x s64>) = G_IMPLICIT_DEF
57    ; CHECK: $q0 = COPY [[DEF]](<2 x s64>)
58    ; CHECK: $q1 = COPY [[DEF]](<2 x s64>)
59    %0:_(<4 x s64>) = G_IMPLICIT_DEF
60    %1:_(<2 x s64> ), %2:_(<2 x s64>) = G_UNMERGE_VALUES %0
61    $q0 = COPY %1
62    $q1 = COPY %2
63...
64---
65name: test_implicit_def_v2s32
66body: |
67  bb.0:
68
69    ; CHECK-LABEL: name: test_implicit_def_v2s32
70    ; CHECK: [[DEF:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
71    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[DEF]](<2 x s32>)
72    ; CHECK: $w0 = COPY [[UV]](s32)
73    ; CHECK: $w1 = COPY [[UV1]](s32)
74    %0:_(<2 x s32>) = G_IMPLICIT_DEF
75    %1:_(s32), %2:_(s32) = G_UNMERGE_VALUES %0
76    $w0 = COPY %1
77    $w1 = COPY %2
78...
79---
80name: test_implicit_def_v16s8
81body: |
82  bb.0:
83
84    ; CHECK-LABEL: name: test_implicit_def_v16s8
85    ; CHECK: [[DEF:%[0-9]+]]:_(<16 x s8>) = G_IMPLICIT_DEF
86    ; CHECK: $q0 = COPY [[DEF]](<16 x s8>)
87    %0:_(<16 x s8>) = G_IMPLICIT_DEF
88    $q0 = COPY %0
89...
90---
91name: test_implicit_def_v8s16
92body: |
93  bb.0:
94
95    ; CHECK-LABEL: name: test_implicit_def_v8s16
96    ; CHECK: [[DEF:%[0-9]+]]:_(<8 x s16>) = G_IMPLICIT_DEF
97    ; CHECK: $q0 = COPY [[DEF]](<8 x s16>)
98    %0:_(<8 x s16>) = G_IMPLICIT_DEF
99    $q0 = COPY %0
100...
101