1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
# RUN: llc -mtriple=aarch64-- -run-pass=instruction-select -verify-machineinstrs -global-isel %s -o - | FileCheck %s
--- |
target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
define void @trunc_s32_s64() { ret void }
define void @trunc_s8_s64() { ret void }
define void @trunc_s1_s32() { ret void }
...
---
# CHECK-LABEL: name: trunc_s32_s64
name: trunc_s32_s64
legalized: true
regBankSelected: true
# CHECK: registers:
# CHECK-NEXT: - { id: 0, class: gpr64sp, preferred-register: '' }
# CHECK-NEXT: - { id: 1, class: gpr32sp, preferred-register: '' }
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
# CHECK: body:
# CHECK: %1 = COPY %0.sub_32
body: |
bb.0:
liveins: %x0
%0(s64) = COPY %x0
%1(s32) = G_TRUNC %0
%w0 = COPY %1(s32)
...
---
# CHECK-LABEL: name: trunc_s8_s64
name: trunc_s8_s64
legalized: true
regBankSelected: true
# CHECK: registers:
# CHECK-NEXT: - { id: 0, class: gpr64, preferred-register: '' }
# CHECK-NEXT: - { id: 1, class: gpr32, preferred-register: '' }
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
# CHECK: body:
# CHECK: %1 = COPY %0.sub_32
body: |
bb.0:
liveins: %x0
%0(s64) = COPY %x0
%1(s8) = G_TRUNC %0
%w0 = COPY %1(s8)
...
---
# CHECK-LABEL: name: trunc_s1_s32
name: trunc_s1_s32
legalized: true
regBankSelected: true
# CHECK: registers:
# CHECK-NEXT: - { id: 0, class: gpr32, preferred-register: '' }
# CHECK-NEXT: - { id: 1, class: gpr32, preferred-register: '' }
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
# CHECK: body:
# CHECK: %1 = COPY %0
body: |
bb.0:
liveins: %w0
%0(s32) = COPY %w0
%1(s1) = G_TRUNC %0
%w0 = COPY %1(s1)
...
|
