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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
// RUN: %clang_cc1 -fms-extensions -triple x86_64-windows-msvc %s -emit-llvm -o - | FileCheck %s --check-prefix=X64
// RUN: %clang_cc1 -fms-extensions -triple thumbv7-windows-msvc %s -emit-llvm -o - | FileCheck %s --check-prefix=ARM
// RUN: %clang_cc1 -fms-extensions -triple aarch64-windows-msvc %s -emit-llvm -o - | FileCheck %s --check-prefix=ARM64 -check-prefix=ARM
volatile unsigned char sink = 0;
void test32(long *base, long idx) {
sink = _bittest(base, idx);
sink = _bittestandcomplement(base, idx);
sink = _bittestandreset(base, idx);
sink = _bittestandset(base, idx);
sink = _interlockedbittestandreset(base, idx);
sink = _interlockedbittestandset(base, idx);
}
void test64(__int64 *base, __int64 idx) {
sink = _bittest64(base, idx);
sink = _bittestandcomplement64(base, idx);
sink = _bittestandreset64(base, idx);
sink = _bittestandset64(base, idx);
sink = _interlockedbittestandreset64(base, idx);
sink = _interlockedbittestandset64(base, idx);
}
#if defined(_M_ARM) || defined(_M_ARM64)
void test_arm(long *base, long idx) {
sink = _interlockedbittestandreset_acq(base, idx);
sink = _interlockedbittestandreset_rel(base, idx);
sink = _interlockedbittestandreset_nf(base, idx);
sink = _interlockedbittestandset_acq(base, idx);
sink = _interlockedbittestandset_rel(base, idx);
sink = _interlockedbittestandset_nf(base, idx);
}
#endif
#if defined(_M_ARM64)
void test_arm64(__int64 *base, __int64 idx) {
sink = _interlockedbittestandreset64_acq(base, idx);
sink = _interlockedbittestandreset64_rel(base, idx);
sink = _interlockedbittestandreset64_nf(base, idx);
sink = _interlockedbittestandset64_acq(base, idx);
sink = _interlockedbittestandset64_rel(base, idx);
sink = _interlockedbittestandset64_nf(base, idx);
}
#endif
// X64-LABEL: define dso_local void @test32(ptr noundef %base, i32 noundef %idx)
// X64: call i8 asm sideeffect "btl $2, ($1)", "={@ccc},r,r,~{cc},~{memory},~{dirflag},~{fpsr},~{flags}"(ptr %{{.*}}, i32 {{.*}})
// X64: call i8 asm sideeffect "btcl $2, ($1)", "={@ccc},r,r,~{cc},~{memory},~{dirflag},~{fpsr},~{flags}"(ptr %{{.*}}, i32 {{.*}})
// X64: call i8 asm sideeffect "btrl $2, ($1)", "={@ccc},r,r,~{cc},~{memory},~{dirflag},~{fpsr},~{flags}"(ptr %{{.*}}, i32 {{.*}})
// X64: call i8 asm sideeffect "btsl $2, ($1)", "={@ccc},r,r,~{cc},~{memory},~{dirflag},~{fpsr},~{flags}"(ptr %{{.*}}, i32 {{.*}})
// X64: call i8 asm sideeffect "lock btrl $2, ($1)", "={@ccc},r,r,~{cc},~{memory},~{dirflag},~{fpsr},~{flags}"(ptr %{{.*}}, i32 {{.*}})
// X64: call i8 asm sideeffect "lock btsl $2, ($1)", "={@ccc},r,r,~{cc},~{memory},~{dirflag},~{fpsr},~{flags}"(ptr %{{.*}}, i32 {{.*}})
// X64-LABEL: define dso_local void @test64(ptr noundef %base, i64 noundef %idx)
// X64: call i8 asm sideeffect "btq $2, ($1)", "={@ccc},r,r,~{cc},~{memory},~{dirflag},~{fpsr},~{flags}"(ptr %{{.*}}, i64 {{.*}})
// X64: call i8 asm sideeffect "btcq $2, ($1)", "={@ccc},r,r,~{cc},~{memory},~{dirflag},~{fpsr},~{flags}"(ptr %{{.*}}, i64 {{.*}})
// X64: call i8 asm sideeffect "btrq $2, ($1)", "={@ccc},r,r,~{cc},~{memory},~{dirflag},~{fpsr},~{flags}"(ptr %{{.*}}, i64 {{.*}})
// X64: call i8 asm sideeffect "btsq $2, ($1)", "={@ccc},r,r,~{cc},~{memory},~{dirflag},~{fpsr},~{flags}"(ptr %{{.*}}, i64 {{.*}})
// X64: call i8 asm sideeffect "lock btrq $2, ($1)", "={@ccc},r,r,~{cc},~{memory},~{dirflag},~{fpsr},~{flags}"(ptr %{{.*}}, i64 {{.*}})
// X64: call i8 asm sideeffect "lock btsq $2, ($1)", "={@ccc},r,r,~{cc},~{memory},~{dirflag},~{fpsr},~{flags}"(ptr %{{.*}}, i64 {{.*}})
// ARM-LABEL: define dso_local {{.*}}void @test32(ptr noundef %base, i32 noundef %idx)
// ARM: %[[IDXHI:[^ ]*]] = ashr i32 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i32 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i32 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[BYTE:[^ ]*]] = load i8, ptr %[[BYTEADDR]], align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM: %[[IDXHI:[^ ]*]] = ashr i32 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i32 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i32 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM: %[[BYTE:[^ ]*]] = load i8, ptr %[[BYTEADDR]], align 1
// ARM: %[[NEWBYTE:[^ ]*]] = xor i8 %[[BYTE]], %[[MASK]]
// ARM: store i8 %[[NEWBYTE]], ptr %[[BYTEADDR]], align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM: %[[IDXHI:[^ ]*]] = ashr i32 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i32 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i32 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM: %[[BYTE:[^ ]*]] = load i8, ptr %[[BYTEADDR]], align 1
// ARM: %[[NOTMASK:[^ ]*]] = xor i8 %[[MASK]], -1
// ARM: %[[NEWBYTE:[^ ]*]] = and i8 %[[BYTE]], %[[NOTMASK]]
// ARM: store i8 %[[NEWBYTE]], ptr %[[BYTEADDR]], align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM: %[[IDXHI:[^ ]*]] = ashr i32 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i32 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i32 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM: %[[BYTE:[^ ]*]] = load i8, ptr %[[BYTEADDR]], align 1
// ARM: %[[NEWBYTE:[^ ]*]] = or i8 %[[BYTE]], %[[MASK]]
// ARM: store i8 %[[NEWBYTE]], ptr %[[BYTEADDR]], align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM: %[[IDXHI:[^ ]*]] = ashr i32 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i32 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i32 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM: %[[NOTMASK:[^ ]*]] = xor i8 %[[MASK]], -1
// ARM: %[[BYTE:[^ ]*]] = atomicrmw and ptr %[[BYTEADDR]], i8 %[[NOTMASK]] seq_cst, align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM: %[[IDXHI:[^ ]*]] = ashr i32 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i32 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i32 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM: %[[BYTE:[^ ]*]] = atomicrmw or ptr %[[BYTEADDR]], i8 %[[MASK]] seq_cst, align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM-LABEL: define dso_local {{.*}}void @test64(ptr noundef %base, i64 noundef %idx)
// ARM: %[[IDXHI:[^ ]*]] = ashr i64 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i64 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i64 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[BYTE:[^ ]*]] = load i8, ptr %[[BYTEADDR]], align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM: %[[IDXHI:[^ ]*]] = ashr i64 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i64 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i64 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM: %[[BYTE:[^ ]*]] = load i8, ptr %[[BYTEADDR]], align 1
// ARM: %[[NEWBYTE:[^ ]*]] = xor i8 %[[BYTE]], %[[MASK]]
// ARM: store i8 %[[NEWBYTE]], ptr %[[BYTEADDR]], align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM: %[[IDXHI:[^ ]*]] = ashr i64 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i64 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i64 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM: %[[BYTE:[^ ]*]] = load i8, ptr %[[BYTEADDR]], align 1
// ARM: %[[NOTMASK:[^ ]*]] = xor i8 %[[MASK]], -1
// ARM: %[[NEWBYTE:[^ ]*]] = and i8 %[[BYTE]], %[[NOTMASK]]
// ARM: store i8 %[[NEWBYTE]], ptr %[[BYTEADDR]], align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM: %[[IDXHI:[^ ]*]] = ashr i64 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i64 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i64 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM: %[[BYTE:[^ ]*]] = load i8, ptr %[[BYTEADDR]], align 1
// ARM: %[[NEWBYTE:[^ ]*]] = or i8 %[[BYTE]], %[[MASK]]
// ARM: store i8 %[[NEWBYTE]], ptr %[[BYTEADDR]], align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM: %[[IDXHI:[^ ]*]] = ashr i64 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i64 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i64 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM: %[[NOTMASK:[^ ]*]] = xor i8 %[[MASK]], -1
// ARM: %[[BYTE:[^ ]*]] = atomicrmw and ptr %[[BYTEADDR]], i8 %[[NOTMASK]] seq_cst, align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM: %[[IDXHI:[^ ]*]] = ashr i64 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i64 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i64 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM: %[[BYTE:[^ ]*]] = atomicrmw or ptr %[[BYTEADDR]], i8 %[[MASK]] seq_cst, align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM-LABEL: define dso_local {{.*}}void @test_arm(ptr noundef %base, i32 noundef %idx)
// ARM: %[[IDXHI:[^ ]*]] = ashr i32 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i32 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i32 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM: %[[NOTMASK:[^ ]*]] = xor i8 %[[MASK]], -1
// ARM: %[[BYTE:[^ ]*]] = atomicrmw and ptr %[[BYTEADDR]], i8 %[[NOTMASK]] acquire, align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// Just look for the atomicrmw instructions.
// ARM: atomicrmw and ptr %{{.*}}, i8 {{.*}} release, align 1
// ARM: atomicrmw and ptr %{{.*}}, i8 {{.*}} monotonic, align 1
// ARM: %[[IDXHI:[^ ]*]] = ashr i32 %{{.*}}, 3
// ARM: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i32 %[[IDXHI]]
// ARM: %[[IDX8:[^ ]*]] = trunc i32 %{{.*}} to i8
// ARM: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM: %[[BYTE:[^ ]*]] = atomicrmw or ptr %[[BYTEADDR]], i8 %[[MASK]] acquire, align 1
// ARM: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM: store volatile i8 %[[RES]], ptr @sink, align 1
// Just look for the atomicrmw instructions.
// ARM: atomicrmw or ptr %{{.*}}, i8 {{.*}} release, align 1
// ARM: atomicrmw or ptr %{{.*}}, i8 {{.*}} monotonic, align 1
// ARM64-LABEL: define dso_local void @test_arm64(ptr noundef %base, i64 noundef %idx)
// ARM64: %[[IDXHI:[^ ]*]] = ashr i64 %{{.*}}, 3
// ARM64: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i64 %[[IDXHI]]
// ARM64: %[[IDX8:[^ ]*]] = trunc i64 %{{.*}} to i8
// ARM64: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM64: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM64: %[[NOTMASK:[^ ]*]] = xor i8 %[[MASK]], -1
// ARM64: %[[BYTE:[^ ]*]] = atomicrmw and ptr %[[BYTEADDR]], i8 %[[NOTMASK]] acquire, align 1
// ARM64: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM64: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM64: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM64: atomicrmw and ptr %{{.*}}, i8 {{.*}} release, align 1
// ARM64: atomicrmw and ptr %{{.*}}, i8 {{.*}} monotonic, align 1
// ARM64: %[[IDXHI:[^ ]*]] = ashr i64 %{{.*}}, 3
// ARM64: %[[BYTEADDR:[^ ]*]] = getelementptr inbounds i8, ptr %{{.*}}, i64 %[[IDXHI]]
// ARM64: %[[IDX8:[^ ]*]] = trunc i64 %{{.*}} to i8
// ARM64: %[[IDXLO:[^ ]*]] = and i8 %[[IDX8]], 7
// ARM64: %[[MASK:[^ ]*]] = shl i8 1, %[[IDXLO]]
// ARM64: %[[BYTE:[^ ]*]] = atomicrmw or ptr %[[BYTEADDR]], i8 %[[MASK]] acquire, align 1
// ARM64: %[[BYTESHR:[^ ]*]] = lshr i8 %[[BYTE]], %[[IDXLO]]
// ARM64: %[[RES:[^ ]*]] = and i8 %[[BYTESHR]], 1
// ARM64: store volatile i8 %[[RES]], ptr @sink, align 1
// ARM64: atomicrmw or ptr %{{.*}}, i8 {{.*}} release, align 1
// ARM64: atomicrmw or ptr %{{.*}}, i8 {{.*}} monotonic, align 1
|