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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
# RUN: llc -mtriple=i386-linux-gnu -global-isel -run-pass=legalizer %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=X32
# RUN: llc -mtriple=x86_64-linux-gnu -global-isel -run-pass=legalizer %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=X64
--- |
define i32 @test_zext_i1(i8 %a) {
%val = trunc i8 %a to i1
%r = zext i1 %val to i32
ret i32 %r
}
define i32 @test_zext_i8(i8 %val) {
%r = zext i8 %val to i32
ret i32 %r
}
define i32 @test_zext_i16(i16 %val) {
%r = zext i16 %val to i32
ret i32 %r
}
define i32 @test_sext_i1(i8 %a) {
%val = trunc i8 %a to i1
%r = sext i1 %val to i32
ret i32 %r
}
define i32 @test_sext_i8(i8 %val) {
%r = sext i8 %val to i32
ret i32 %r
}
define i32 @test_sext_i16(i16 %val) {
%r = sext i16 %val to i32
ret i32 %r
}
...
---
name: test_zext_i1
# ALL-LABEL: name: test_zext_i1
alignment: 4
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
# ALL: %0(s8) = COPY %edi
# ALL-NEXT: %1(s1) = G_TRUNC %0(s8)
# ALL-NEXT: %2(s32) = G_ZEXT %1(s1)
# ALL-NEXT: %eax = COPY %2(s32)
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %edi
%0(s8) = COPY %edi
%1(s1) = G_TRUNC %0(s8)
%2(s32) = G_ZEXT %1(s1)
%eax = COPY %2(s32)
RET 0, implicit %eax
...
---
name: test_zext_i8
# ALL-LABEL: name: test_zext_i8
alignment: 4
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
# ALL: %0(s8) = COPY %edi
# ALL-NEXT: %1(s32) = G_ZEXT %0(s8)
# ALL-NEXT: %eax = COPY %1(s32)
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %edi
%0(s8) = COPY %edi
%1(s32) = G_ZEXT %0(s8)
%eax = COPY %1(s32)
RET 0, implicit %eax
...
---
name: test_zext_i16
# ALL-LABEL: name: test_zext_i16
alignment: 4
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
# ALL: %0(s16) = COPY %edi
# ALL-NEXT: %1(s32) = G_ZEXT %0(s16)
# ALL-NEXT: %eax = COPY %1(s32)
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %edi
%0(s16) = COPY %edi
%1(s32) = G_ZEXT %0(s16)
%eax = COPY %1(s32)
RET 0, implicit %eax
...
---
name: test_sext_i1
# ALL-LABEL: name: test_sext_i1
alignment: 4
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
# ALL: %0(s8) = COPY %edi
# ALL-NEXT: %1(s1) = G_TRUNC %0(s8)
# ALL-NEXT: %2(s32) = G_SEXT %1(s1)
# ALL-NEXT: %eax = COPY %2(s32)
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %edi
%0(s8) = COPY %edi
%1(s1) = G_TRUNC %0(s8)
%2(s32) = G_SEXT %1(s1)
%eax = COPY %2(s32)
RET 0, implicit %eax
...
---
name: test_sext_i8
# ALL-LABEL: name: test_sext_i8
alignment: 4
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
# ALL: %0(s8) = COPY %edi
# ALL-NEXT: %1(s32) = G_SEXT %0(s8)
# ALL-NEXT: %eax = COPY %1(s32)
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %edi
%0(s8) = COPY %edi
%1(s32) = G_SEXT %0(s8)
%eax = COPY %1(s32)
RET 0, implicit %eax
...
---
name: test_sext_i16
# ALL-LABEL: name: test_sext_i16
alignment: 4
legalized: false
regBankSelected: false
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
# ALL: %0(s16) = COPY %edi
# ALL-NEXT: %1(s32) = G_SEXT %0(s16)
# ALL-NEXT: %eax = COPY %1(s32)
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
liveins: %edi
%0(s16) = COPY %edi
%1(s32) = G_SEXT %0(s16)
%eax = COPY %1(s32)
RET 0, implicit %eax
...
|
