File: v8.4-atomic-128.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (174 lines) | stat: -rw-r--r-- 4,996 bytes parent folder | download | duplicates (12)
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
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+v8.4a %s -o - | FileCheck %s
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+lse2 %s -o - | FileCheck %s

define void @test_atomic_load(ptr %addr) {
; CHECK-LABEL: test_atomic_load:

; CHECK: ldp [[LO:x[0-9]+]], [[HI:x[0-9]+]], [x0]
; CHECK: stp [[LO]], [[HI]], [x0]
  %res.0 = load atomic i128, ptr %addr monotonic, align 16
  store i128 %res.0, ptr %addr

; CHECK: ldp [[LO:x[0-9]+]], [[HI:x[0-9]+]], [x0]
; CHECK: stp [[LO]], [[HI]], [x0]
  %res.1 = load atomic i128, ptr %addr unordered, align 16
  store i128 %res.1, ptr %addr

; CHECK: ldp [[LO:x[0-9]+]], [[HI:x[0-9]+]], [x0]
; CHECK: dmb ish
; CHECK: stp [[LO]], [[HI]], [x0]
  %res.2 = load atomic i128, ptr %addr acquire, align 16
  store i128 %res.2, ptr %addr

; CHECK: ldp [[LO:x[0-9]+]], [[HI:x[0-9]+]], [x0]
; CHECK: dmb ish
; CHECK: stp [[LO]], [[HI]], [x0]
  %res.3 = load atomic i128, ptr %addr seq_cst, align 16
  store i128 %res.3, ptr %addr



; CHECK: ldp [[LO:x[0-9]+]], [[HI:x[0-9]+]], [x0, #32]
; CHECK-DAG: stp [[LO]], [[HI]], [x0]
  %addr8.1 = getelementptr i8,  ptr %addr, i32 32
  %res.5 = load atomic i128, ptr %addr8.1 monotonic, align 16
  store i128 %res.5, ptr %addr

; CHECK: ldp [[LO:x[0-9]+]], [[HI:x[0-9]+]], [x0, #504]
; CHECK: stp [[LO]], [[HI]], [x0]
  %addr8.2 = getelementptr i8,  ptr %addr, i32 504
  %res.6 = load atomic i128, ptr %addr8.2 monotonic, align 16
  store i128 %res.6, ptr %addr

; CHECK: ldp [[LO:x[0-9]+]], [[HI:x[0-9]+]], [x0, #-512]
; CHECK: stp [[LO]], [[HI]], [x0]
  %addr8.3 = getelementptr i8,  ptr %addr, i32 -512
  %res.7 = load atomic i128, ptr %addr8.3 monotonic, align 16
  store i128 %res.7, ptr %addr

  ret void
}

define void @test_libcall_load(ptr %addr) {
; CHECK-LABEL: test_libcall_load:
; CHECK: bl __atomic_load
  %res.8 = load atomic i128, ptr %addr unordered, align 8
  store i128 %res.8, ptr %addr

  ret void
}

define void @test_nonfolded_load1(ptr %addr) {
; CHECK-LABEL: test_nonfolded_load1:

; CHECK: add x[[ADDR:[0-9]+]], x0, #4
; CHECK: ldp [[LO:x[0-9]+]], [[HI:x[0-9]+]], [x[[ADDR]]]
; CHECK: stp [[LO]], [[HI]], [x0]
  %addr8.1 = getelementptr i8,  ptr %addr, i32 4
  %res.1 = load atomic i128, ptr %addr8.1 monotonic, align 16
  store i128 %res.1, ptr %addr

  ret void
}

define void @test_nonfolded_load2(ptr %addr) {
; CHECK-LABEL: test_nonfolded_load2:

; CHECK: add x[[ADDR:[0-9]+]], x0, #512
; CHECK: ldp [[LO:x[0-9]+]], [[HI:x[0-9]+]], [x[[ADDR]]]
; CHECK: stp [[LO]], [[HI]], [x0]
  %addr8.1 = getelementptr i8,  ptr %addr, i32 512
  %res.1 = load atomic i128, ptr %addr8.1 monotonic, align 16
  store i128 %res.1, ptr %addr

  ret void
}

define void @test_nonfolded_load3(ptr %addr) {
; CHECK-LABEL: test_nonfolded_load3:

; CHECK: sub x[[ADDR:[0-9]+]], x0, #520
; CHECK: ldp [[LO:x[0-9]+]], [[HI:x[0-9]+]], [x[[ADDR]]]
; CHECK: stp [[LO]], [[HI]], [x0]
  %addr8.1 = getelementptr i8,  ptr %addr, i32 -520
  %res.1 = load atomic i128, ptr %addr8.1 monotonic, align 16
  store i128 %res.1, ptr %addr

  ret void
}

define void @test_atomic_store(ptr %addr, i128 %val) {
; CHECK-LABEL: test_atomic_store:

; CHECK: stp x2, x3, [x0]
  store atomic i128 %val, ptr %addr monotonic, align 16

; CHECK: stp x2, x3, [x0]
  store atomic i128 %val, ptr %addr unordered, align 16

; CHECK: dmb ish
; CHECK: stp x2, x3, [x0]
  store atomic i128 %val, ptr %addr release, align 16

; CHECK: dmb ish
; CHECK: stp x2, x3, [x0]
; CHECK: dmb ish
  store atomic i128 %val, ptr %addr seq_cst, align 16



; CHECK: stp x2, x3, [x0, #8]
  %addr8.1 = getelementptr i8,  ptr %addr, i32 8
  store atomic i128 %val, ptr %addr8.1 monotonic, align 16

; CHECK: stp x2, x3, [x0, #504]
  %addr8.2 = getelementptr i8,  ptr %addr, i32 504
  store atomic i128 %val, ptr %addr8.2 monotonic, align 16

; CHECK: stp x2, x3, [x0, #-512]
  %addr8.3 = getelementptr i8,  ptr %addr, i32 -512
  store atomic i128 %val, ptr %addr8.3 monotonic, align 16

  ret void
}

define void @test_libcall_store(ptr %addr, i128 %val) {
; CHECK-LABEL: test_libcall_store:
; CHECK: bl __atomic_store
  store atomic i128 %val, ptr %addr unordered, align 8

  ret void
}

define void @test_nonfolded_store1(ptr %addr, i128 %val) {
; CHECK-LABEL: test_nonfolded_store1:

; CHECK: add x[[ADDR:[0-9]+]], x0, #4
; CHECK: stp x2, x3, [x[[ADDR]]]
  %addr8.1 = getelementptr i8,  ptr %addr, i32 4
  store atomic i128 %val, ptr %addr8.1 monotonic, align 16

  ret void
}

define void @test_nonfolded_store2(ptr %addr, i128 %val) {
; CHECK-LABEL: test_nonfolded_store2:

; CHECK: add x[[ADDR:[0-9]+]], x0, #512
; CHECK: stp x2, x3, [x[[ADDR]]]
  %addr8.1 = getelementptr i8,  ptr %addr, i32 512
  store atomic i128 %val, ptr %addr8.1 monotonic, align 16

  ret void
}

define void @test_nonfolded_store3(ptr %addr, i128 %val) {
; CHECK-LABEL: test_nonfolded_store3:

; CHECK: sub x[[ADDR:[0-9]+]], x0, #520
; CHECK: stp x2, x3, [x[[ADDR]]]
  %addr8.1 = getelementptr i8,  ptr %addr, i32 -520
  store atomic i128 %val, ptr %addr8.1 monotonic, align 16

  ret void
}