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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
; RUN: llc < %s -mtriple aarch64--none-eabi -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -mtriple aarch64--none-eabi -mattr=+strict-align -verify-machineinstrs | FileCheck %s -check-prefix=CHECK-STRICT
; CHECK-LABEL: Strh_zero
; CHECK: str wzr
; CHECK-STRICT-LABEL: Strh_zero
; CHECK-STRICT: strh wzr
; CHECK-STRICT: strh wzr
define void @Strh_zero(i16* nocapture %P, i32 %n) {
entry:
%idxprom = sext i32 %n to i64
%arrayidx = getelementptr inbounds i16, i16* %P, i64 %idxprom
store i16 0, i16* %arrayidx
%add = add nsw i32 %n, 1
%idxprom1 = sext i32 %add to i64
%arrayidx2 = getelementptr inbounds i16, i16* %P, i64 %idxprom1
store i16 0, i16* %arrayidx2
ret void
}
; CHECK-LABEL: Strh_zero_4
; CHECK: str xzr
; CHECK-STRICT-LABEL: Strh_zero_4
; CHECK-STRICT: strh wzr
; CHECK-STRICT: strh wzr
; CHECK-STRICT: strh wzr
; CHECK-STRICT: strh wzr
define void @Strh_zero_4(i16* nocapture %P, i32 %n) {
entry:
%idxprom = sext i32 %n to i64
%arrayidx = getelementptr inbounds i16, i16* %P, i64 %idxprom
store i16 0, i16* %arrayidx
%add = add nsw i32 %n, 1
%idxprom1 = sext i32 %add to i64
%arrayidx2 = getelementptr inbounds i16, i16* %P, i64 %idxprom1
store i16 0, i16* %arrayidx2
%add3 = add nsw i32 %n, 2
%idxprom4 = sext i32 %add3 to i64
%arrayidx5 = getelementptr inbounds i16, i16* %P, i64 %idxprom4
store i16 0, i16* %arrayidx5
%add6 = add nsw i32 %n, 3
%idxprom7 = sext i32 %add6 to i64
%arrayidx8 = getelementptr inbounds i16, i16* %P, i64 %idxprom7
store i16 0, i16* %arrayidx8
ret void
}
; CHECK-LABEL: Strw_zero
; CHECK: str xzr
; CHECK-STRICT-LABEL: Strw_zero
; CHECK-STRICT: stp wzr, wzr
define void @Strw_zero(i32* nocapture %P, i32 %n) {
entry:
%idxprom = sext i32 %n to i64
%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
store i32 0, i32* %arrayidx
%add = add nsw i32 %n, 1
%idxprom1 = sext i32 %add to i64
%arrayidx2 = getelementptr inbounds i32, i32* %P, i64 %idxprom1
store i32 0, i32* %arrayidx2
ret void
}
; CHECK-LABEL: Strw_zero_nonzero
; CHECK: stp wzr, w1
define void @Strw_zero_nonzero(i32* nocapture %P, i32 %n) {
entry:
%idxprom = sext i32 %n to i64
%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
store i32 0, i32* %arrayidx
%add = add nsw i32 %n, 1
%idxprom1 = sext i32 %add to i64
%arrayidx2 = getelementptr inbounds i32, i32* %P, i64 %idxprom1
store i32 %n, i32* %arrayidx2
ret void
}
; CHECK-LABEL: Strw_zero_4
; CHECK: stp xzr, xzr
; CHECK-STRICT-LABEL: Strw_zero_4
; CHECK-STRICT: stp wzr, wzr
; CHECK-STRICT: stp wzr, wzr
define void @Strw_zero_4(i32* nocapture %P, i32 %n) {
entry:
%idxprom = sext i32 %n to i64
%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
store i32 0, i32* %arrayidx
%add = add nsw i32 %n, 1
%idxprom1 = sext i32 %add to i64
%arrayidx2 = getelementptr inbounds i32, i32* %P, i64 %idxprom1
store i32 0, i32* %arrayidx2
%add3 = add nsw i32 %n, 2
%idxprom4 = sext i32 %add3 to i64
%arrayidx5 = getelementptr inbounds i32, i32* %P, i64 %idxprom4
store i32 0, i32* %arrayidx5
%add6 = add nsw i32 %n, 3
%idxprom7 = sext i32 %add6 to i64
%arrayidx8 = getelementptr inbounds i32, i32* %P, i64 %idxprom7
store i32 0, i32* %arrayidx8
ret void
}
; CHECK-LABEL: Sturb_zero
; CHECK: sturh wzr
; CHECK-STRICT-LABEL: Sturb_zero
; CHECK-STRICT: sturb wzr
; CHECK-STRICT: sturb wzr
define void @Sturb_zero(i8* nocapture %P, i32 %n) #0 {
entry:
%sub = add nsw i32 %n, -2
%idxprom = sext i32 %sub to i64
%arrayidx = getelementptr inbounds i8, i8* %P, i64 %idxprom
store i8 0, i8* %arrayidx
%sub2= add nsw i32 %n, -1
%idxprom1 = sext i32 %sub2 to i64
%arrayidx2 = getelementptr inbounds i8, i8* %P, i64 %idxprom1
store i8 0, i8* %arrayidx2
ret void
}
; CHECK-LABEL: Sturh_zero
; CHECK: stur wzr
; CHECK-STRICT-LABEL: Sturh_zero
; CHECK-STRICT: sturh wzr
; CHECK-STRICT: sturh wzr
define void @Sturh_zero(i16* nocapture %P, i32 %n) {
entry:
%sub = add nsw i32 %n, -2
%idxprom = sext i32 %sub to i64
%arrayidx = getelementptr inbounds i16, i16* %P, i64 %idxprom
store i16 0, i16* %arrayidx
%sub1 = add nsw i32 %n, -3
%idxprom2 = sext i32 %sub1 to i64
%arrayidx3 = getelementptr inbounds i16, i16* %P, i64 %idxprom2
store i16 0, i16* %arrayidx3
ret void
}
; CHECK-LABEL: Sturh_zero_4
; CHECK: stur xzr
; CHECK-STRICT-LABEL: Sturh_zero_4
; CHECK-STRICT: sturh wzr
; CHECK-STRICT: sturh wzr
; CHECK-STRICT: sturh wzr
; CHECK-STRICT: sturh wzr
define void @Sturh_zero_4(i16* nocapture %P, i32 %n) {
entry:
%sub = add nsw i32 %n, -3
%idxprom = sext i32 %sub to i64
%arrayidx = getelementptr inbounds i16, i16* %P, i64 %idxprom
store i16 0, i16* %arrayidx
%sub1 = add nsw i32 %n, -4
%idxprom2 = sext i32 %sub1 to i64
%arrayidx3 = getelementptr inbounds i16, i16* %P, i64 %idxprom2
store i16 0, i16* %arrayidx3
%sub4 = add nsw i32 %n, -2
%idxprom5 = sext i32 %sub4 to i64
%arrayidx6 = getelementptr inbounds i16, i16* %P, i64 %idxprom5
store i16 0, i16* %arrayidx6
%sub7 = add nsw i32 %n, -1
%idxprom8 = sext i32 %sub7 to i64
%arrayidx9 = getelementptr inbounds i16, i16* %P, i64 %idxprom8
store i16 0, i16* %arrayidx9
ret void
}
; CHECK-LABEL: Sturw_zero
; CHECK: stur xzr
; CHECK-STRICT-LABEL: Sturw_zero
; CHECK-STRICT: stp wzr, wzr
define void @Sturw_zero(i32* nocapture %P, i32 %n) {
entry:
%sub = add nsw i32 %n, -3
%idxprom = sext i32 %sub to i64
%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
store i32 0, i32* %arrayidx
%sub1 = add nsw i32 %n, -4
%idxprom2 = sext i32 %sub1 to i64
%arrayidx3 = getelementptr inbounds i32, i32* %P, i64 %idxprom2
store i32 0, i32* %arrayidx3
ret void
}
; CHECK-LABEL: Sturw_zero_4
; CHECK: stp xzr, xzr
; CHECK-STRICT-LABEL: Sturw_zero_4
; CHECK-STRICT: stp wzr, wzr
; CHECK-STRICT: stp wzr, wzr
define void @Sturw_zero_4(i32* nocapture %P, i32 %n) {
entry:
%sub = add nsw i32 %n, -3
%idxprom = sext i32 %sub to i64
%arrayidx = getelementptr inbounds i32, i32* %P, i64 %idxprom
store i32 0, i32* %arrayidx
%sub1 = add nsw i32 %n, -4
%idxprom2 = sext i32 %sub1 to i64
%arrayidx3 = getelementptr inbounds i32, i32* %P, i64 %idxprom2
store i32 0, i32* %arrayidx3
%sub4 = add nsw i32 %n, -2
%idxprom5 = sext i32 %sub4 to i64
%arrayidx6 = getelementptr inbounds i32, i32* %P, i64 %idxprom5
store i32 0, i32* %arrayidx6
%sub7 = add nsw i32 %n, -1
%idxprom8 = sext i32 %sub7 to i64
%arrayidx9 = getelementptr inbounds i32, i32* %P, i64 %idxprom8
store i32 0, i32* %arrayidx9
ret void
}
|
