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
|
; RUN: llc -O0 -fast-isel -fast-isel-abort=1 -verify-machineinstrs -relocation-model=dynamic-no-pic -mtriple=arm64-apple-ios < %s | FileCheck %s --check-prefix=ARM64
@message = global [80 x i8] c"The LLVM Compiler Infrastructure\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00", align 16
@temp = common global [80 x i8] zeroinitializer, align 16
define void @t1() {
; ARM64-LABEL: t1
; ARM64: adrp x8, _message@PAGE
; ARM64: add x0, x8, _message@PAGEOFF
; ARM64: mov [[REG:w[0-9]+]], wzr
; ARM64: mov x2, #80
; ARM64: uxtb w1, [[REG]]
; ARM64: bl _memset
call void @llvm.memset.p0i8.i64(i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i8 0, i64 80, i1 false)
ret void
}
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1)
define void @t2() {
; ARM64-LABEL: t2
; ARM64: adrp x8, _temp@GOTPAGE
; ARM64: ldr x0, [x8, _temp@GOTPAGEOFF]
; ARM64: adrp x8, _message@PAGE
; ARM64: add x1, x8, _message@PAGEOFF
; ARM64: mov x2, #80
; ARM64: bl _memcpy
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 80, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1)
define void @t3() {
; ARM64-LABEL: t3
; ARM64: adrp x8, _temp@GOTPAGE
; ARM64: ldr x0, [x8, _temp@GOTPAGEOFF]
; ARM64: adrp x8, _message@PAGE
; ARM64: add x1, x8, _message@PAGEOFF
; ARM64: mov x2, #20
; ARM64: bl _memmove
call void @llvm.memmove.p0i8.p0i8.i64(i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 20, i1 false)
ret void
}
declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1)
define void @t4() {
; ARM64-LABEL: t4
; ARM64: adrp x8, _temp@GOTPAGE
; ARM64: ldr [[REG0:x[0-9]+]], [x8, _temp@GOTPAGEOFF]
; ARM64: adrp [[REG1:x[0-9]+]], _message@PAGE
; ARM64: add [[REG2:x[0-9]+]], [[REG1]], _message@PAGEOFF
; ARM64: ldr x10, {{\[}}[[REG2]]{{\]}}
; ARM64: str x10, {{\[}}[[REG0]]{{\]}}
; ARM64: ldr x10, {{\[}}[[REG2]], #8]
; ARM64: str x10, {{\[}}[[REG0]], #8]
; ARM64: ldrb [[REG3:w[0-9]+]], {{\[}}[[REG2]], #16]
; ARM64: strb [[REG3]], {{\[}}[[REG0]], #16]
; ARM64: ret
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 16 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 17, i1 false)
ret void
}
define void @t5() {
; ARM64-LABEL: t5
; ARM64: adrp x8, _temp@GOTPAGE
; ARM64: ldr [[REG0:x[0-9]+]], [x8, _temp@GOTPAGEOFF]
; ARM64: adrp [[REG3:x[0-9]+]], _message@PAGE
; ARM64: add [[REG1:x[0-9]+]], [[REG3]], _message@PAGEOFF
; ARM64: ldr x10, {{\[}}[[REG1]]]
; ARM64: str x10, {{\[}}[[REG0]]]
; ARM64: ldr x10, {{\[}}[[REG1]], #8]
; ARM64: str x10, {{\[}}[[REG0]], #8]
; ARM64: ldrb [[REG4:w[0-9]+]], {{\[}}[[REG1]], #16]
; ARM64: strb [[REG4]], {{\[}}[[REG0]], #16]
; ARM64: ret
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 8 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 17, i1 false)
ret void
}
define void @t6() {
; ARM64-LABEL: t6
; ARM64: adrp x8, _temp@GOTPAGE
; ARM64: ldr [[REG0:x[0-9]+]], [x8, _temp@GOTPAGEOFF]
; ARM64: adrp [[REG1:x[0-9]+]], _message@PAGE
; ARM64: add [[REG2:x[0-9]+]], [[REG1]], _message@PAGEOFF
; ARM64: ldr w10, {{\[}}[[REG2]]]
; ARM64: str w10, {{\[}}[[REG0]]]
; ARM64: ldr w10, {{\[}}[[REG2]], #4]
; ARM64: str w10, {{\[}}[[REG0]], #4]
; ARM64: ldrb [[REG3:w[0-9]+]], {{\[}}[[REG2]], #8]
; ARM64: strb [[REG3]], {{\[}}[[REG0]], #8]
; ARM64: ret
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 4 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 9, i1 false)
ret void
}
define void @t7() {
; ARM64-LABEL: t7
; ARM64: adrp x8, _temp@GOTPAGE
; ARM64: ldr [[REG0:x[0-9]+]], [x8, _temp@GOTPAGEOFF]
; ARM64: adrp [[REG1:x[0-9]+]], _message@PAGE
; ARM64: add [[REG2:x[0-9]+]], [[REG1]], _message@PAGEOFF
; ARM64: ldrh w10, {{\[}}[[REG2]]]
; ARM64: strh w10, {{\[}}[[REG0]]]
; ARM64: ldrh w10, {{\[}}[[REG2]], #2]
; ARM64: strh w10, {{\[}}[[REG0]], #2]
; ARM64: ldrh w10, {{\[}}[[REG2]], #4]
; ARM64: strh w10, {{\[}}[[REG0]], #4]
; ARM64: ldrb [[REG3:w[0-9]+]], {{\[}}[[REG2]], #6]
; ARM64: strb [[REG3]], {{\[}}[[REG0]], #6]
; ARM64: ret
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 2 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 2 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 7, i1 false)
ret void
}
define void @t8() {
; ARM64-LABEL: t8
; ARM64: adrp x8, _temp@GOTPAGE
; ARM64: ldr [[REG0:x[0-9]+]], [x8, _temp@GOTPAGEOFF]
; ARM64: adrp [[REG1:x[0-9]+]], _message@PAGE
; ARM64: add [[REG2:x[0-9]+]], [[REG1:x[0-9]+]], _message@PAGEOFF
; ARM64: ldrb w10, {{\[}}[[REG2]]]
; ARM64: strb w10, {{\[}}[[REG0]]]
; ARM64: ldrb w10, {{\[}}[[REG2]], #1]
; ARM64: strb w10, {{\[}}[[REG0]], #1]
; ARM64: ldrb w10, {{\[}}[[REG2]], #2]
; ARM64: strb w10, {{\[}}[[REG0]], #2]
; ARM64: ldrb [[REG3:w[0-9]+]], {{\[}}[[REG2]], #3]
; ARM64: strb [[REG3]], {{\[}}[[REG0]], #3]
; ARM64: ret
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 getelementptr inbounds ([80 x i8], [80 x i8]* @temp, i32 0, i32 0), i8* align 1 getelementptr inbounds ([80 x i8], [80 x i8]* @message, i32 0, i32 0), i64 4, i1 false)
ret void
}
define void @test_distant_memcpy(i8* %dst) {
; ARM64-LABEL: test_distant_memcpy:
; ARM64: mov [[ARRAY:x[0-9]+]], sp
; ARM64: mov [[OFFSET:x[0-9]+]], #8000
; ARM64: add x[[ADDR:[0-9]+]], [[ARRAY]], [[OFFSET]]
; ARM64: ldrb [[BYTE:w[0-9]+]], [x[[ADDR]]]
; ARM64: strb [[BYTE]], [x0]
%array = alloca i8, i32 8192
%elem = getelementptr i8, i8* %array, i32 8000
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %elem, i64 1, i1 false)
ret void
}
|
