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
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
|
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals --include-generated-funcs --global-value-regex ".*"
// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature -v9.5a -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature -fmv -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK-NOFMV
// The following is guarded because in NOFMV we get an error for redefining the default.
#ifdef __HAVE_FUNCTION_MULTI_VERSIONING
int implicit_default(void) { return 0; }
__attribute__((target_version("jscvt"))) int implicit_default(void) { return 1; }
__attribute__((target_clones("dotprod", "lse"))) int implicit_default(void) { return 2; }
__attribute__((target_version("rdma"))) int implicit_default(void) { return 3; }
int foo(void) { return implicit_default(); }
#endif
__attribute__((target_version("jscvt"))) int explicit_default(void) { return 1; }
__attribute__((target_clones("dotprod", "lse", "default"))) int explicit_default(void) { return 2; }
__attribute__((target_version("rdma"))) int explicit_default(void) { return 3; }
int bar(void) { return explicit_default(); }
// These shouldn't generate anything.
int unused_version_declarations(void);
__attribute__((target_clones("dotprod", "lse"))) int unused_version_declarations(void);
__attribute__((target_version("jscvt"))) int unused_version_declarations(void);
// These should generate the default (mangled) version and the resolver.
int default_def_with_version_decls(void) { return 0; }
__attribute__((target_clones("dotprod", "lse"))) int default_def_with_version_decls(void);
__attribute__((target_version("jscvt"))) int default_def_with_version_decls(void);
//.
// CHECK: @__aarch64_cpu_features = external dso_local global { i64 }
// CHECK: @implicit_default = weak_odr ifunc i32 (), ptr @implicit_default.resolver
// CHECK: @explicit_default = weak_odr ifunc i32 (), ptr @explicit_default.resolver
// CHECK: @default_def_with_version_decls = weak_odr ifunc i32 (), ptr @default_def_with_version_decls.resolver
//.
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@implicit_default.default
// CHECK-SAME: () #[[ATTR0:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 0
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@implicit_default._Mjscvt
// CHECK-SAME: () #[[ATTR1:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 1
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@implicit_default._Mdotprod
// CHECK-SAME: () #[[ATTR2:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 2
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@implicit_default._Mlse
// CHECK-SAME: () #[[ATTR3:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 2
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@implicit_default._Mrdm
// CHECK-SAME: () #[[ATTR4:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 3
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@foo
// CHECK-SAME: () #[[ATTR0]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[CALL:%.*]] = call i32 @implicit_default()
// CHECK-NEXT: ret i32 [[CALL]]
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@explicit_default._Mjscvt
// CHECK-SAME: () #[[ATTR1]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 1
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@explicit_default._Mdotprod
// CHECK-SAME: () #[[ATTR2]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 2
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@explicit_default._Mlse
// CHECK-SAME: () #[[ATTR3]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 2
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@explicit_default.default
// CHECK-SAME: () #[[ATTR5:[0-9]+]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 2
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@explicit_default._Mrdm
// CHECK-SAME: () #[[ATTR4]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 3
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@bar
// CHECK-SAME: () #[[ATTR0]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: [[CALL:%.*]] = call i32 @explicit_default()
// CHECK-NEXT: ret i32 [[CALL]]
//
//
// CHECK: Function Attrs: noinline nounwind optnone
// CHECK-LABEL: define {{[^@]+}}@default_def_with_version_decls.default
// CHECK-SAME: () #[[ATTR0]] {
// CHECK-NEXT: entry:
// CHECK-NEXT: ret i32 0
//
//
// CHECK-LABEL: define {{[^@]+}}@implicit_default.resolver() comdat {
// CHECK-NEXT: resolver_entry:
// CHECK-NEXT: call void @__init_cpu_features_resolver()
// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 1048832
// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 1048832
// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
// CHECK: resolver_return:
// CHECK-NEXT: ret ptr @implicit_default._Mjscvt
// CHECK: resolver_else:
// CHECK-NEXT: [[TMP4:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 832
// CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP5]], 832
// CHECK-NEXT: [[TMP7:%.*]] = and i1 true, [[TMP6]]
// CHECK-NEXT: br i1 [[TMP7]], label [[RESOLVER_RETURN1:%.*]], label [[RESOLVER_ELSE2:%.*]]
// CHECK: resolver_return1:
// CHECK-NEXT: ret ptr @implicit_default._Mrdm
// CHECK: resolver_else2:
// CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP9:%.*]] = and i64 [[TMP8]], 784
// CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[TMP9]], 784
// CHECK-NEXT: [[TMP11:%.*]] = and i1 true, [[TMP10]]
// CHECK-NEXT: br i1 [[TMP11]], label [[RESOLVER_RETURN3:%.*]], label [[RESOLVER_ELSE4:%.*]]
// CHECK: resolver_return3:
// CHECK-NEXT: ret ptr @implicit_default._Mdotprod
// CHECK: resolver_else4:
// CHECK-NEXT: [[TMP12:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP13:%.*]] = and i64 [[TMP12]], 128
// CHECK-NEXT: [[TMP14:%.*]] = icmp eq i64 [[TMP13]], 128
// CHECK-NEXT: [[TMP15:%.*]] = and i1 true, [[TMP14]]
// CHECK-NEXT: br i1 [[TMP15]], label [[RESOLVER_RETURN5:%.*]], label [[RESOLVER_ELSE6:%.*]]
// CHECK: resolver_return5:
// CHECK-NEXT: ret ptr @implicit_default._Mlse
// CHECK: resolver_else6:
// CHECK-NEXT: ret ptr @implicit_default.default
//
//
// CHECK-LABEL: define {{[^@]+}}@explicit_default.resolver() comdat {
// CHECK-NEXT: resolver_entry:
// CHECK-NEXT: call void @__init_cpu_features_resolver()
// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 1048832
// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 1048832
// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
// CHECK: resolver_return:
// CHECK-NEXT: ret ptr @explicit_default._Mjscvt
// CHECK: resolver_else:
// CHECK-NEXT: [[TMP4:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 832
// CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP5]], 832
// CHECK-NEXT: [[TMP7:%.*]] = and i1 true, [[TMP6]]
// CHECK-NEXT: br i1 [[TMP7]], label [[RESOLVER_RETURN1:%.*]], label [[RESOLVER_ELSE2:%.*]]
// CHECK: resolver_return1:
// CHECK-NEXT: ret ptr @explicit_default._Mrdm
// CHECK: resolver_else2:
// CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP9:%.*]] = and i64 [[TMP8]], 784
// CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[TMP9]], 784
// CHECK-NEXT: [[TMP11:%.*]] = and i1 true, [[TMP10]]
// CHECK-NEXT: br i1 [[TMP11]], label [[RESOLVER_RETURN3:%.*]], label [[RESOLVER_ELSE4:%.*]]
// CHECK: resolver_return3:
// CHECK-NEXT: ret ptr @explicit_default._Mdotprod
// CHECK: resolver_else4:
// CHECK-NEXT: [[TMP12:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP13:%.*]] = and i64 [[TMP12]], 128
// CHECK-NEXT: [[TMP14:%.*]] = icmp eq i64 [[TMP13]], 128
// CHECK-NEXT: [[TMP15:%.*]] = and i1 true, [[TMP14]]
// CHECK-NEXT: br i1 [[TMP15]], label [[RESOLVER_RETURN5:%.*]], label [[RESOLVER_ELSE6:%.*]]
// CHECK: resolver_return5:
// CHECK-NEXT: ret ptr @explicit_default._Mlse
// CHECK: resolver_else6:
// CHECK-NEXT: ret ptr @explicit_default.default
//
//
// CHECK-LABEL: define {{[^@]+}}@default_def_with_version_decls.resolver() comdat {
// CHECK-NEXT: resolver_entry:
// CHECK-NEXT: call void @__init_cpu_features_resolver()
// CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 1048832
// CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 1048832
// CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]]
// CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]]
// CHECK: resolver_return:
// CHECK-NEXT: ret ptr @default_def_with_version_decls._Mjscvt
// CHECK: resolver_else:
// CHECK-NEXT: [[TMP4:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 784
// CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[TMP5]], 784
// CHECK-NEXT: [[TMP7:%.*]] = and i1 true, [[TMP6]]
// CHECK-NEXT: br i1 [[TMP7]], label [[RESOLVER_RETURN1:%.*]], label [[RESOLVER_ELSE2:%.*]]
// CHECK: resolver_return1:
// CHECK-NEXT: ret ptr @default_def_with_version_decls._Mdotprod
// CHECK: resolver_else2:
// CHECK-NEXT: [[TMP8:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8
// CHECK-NEXT: [[TMP9:%.*]] = and i64 [[TMP8]], 128
// CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[TMP9]], 128
// CHECK-NEXT: [[TMP11:%.*]] = and i1 true, [[TMP10]]
// CHECK-NEXT: br i1 [[TMP11]], label [[RESOLVER_RETURN3:%.*]], label [[RESOLVER_ELSE4:%.*]]
// CHECK: resolver_return3:
// CHECK-NEXT: ret ptr @default_def_with_version_decls._Mlse
// CHECK: resolver_else4:
// CHECK-NEXT: ret ptr @default_def_with_version_decls.default
//
//
// CHECK-NOFMV: Function Attrs: noinline nounwind optnone
// CHECK-NOFMV-LABEL: define {{[^@]+}}@explicit_default
// CHECK-NOFMV-SAME: () #[[ATTR0:[0-9]+]] {
// CHECK-NOFMV-NEXT: entry:
// CHECK-NOFMV-NEXT: ret i32 2
//
//
// CHECK-NOFMV: Function Attrs: noinline nounwind optnone
// CHECK-NOFMV-LABEL: define {{[^@]+}}@bar
// CHECK-NOFMV-SAME: () #[[ATTR0]] {
// CHECK-NOFMV-NEXT: entry:
// CHECK-NOFMV-NEXT: [[CALL:%.*]] = call i32 @explicit_default()
// CHECK-NOFMV-NEXT: ret i32 [[CALL]]
//
//
// CHECK-NOFMV: Function Attrs: noinline nounwind optnone
// CHECK-NOFMV-LABEL: define {{[^@]+}}@default_def_with_version_decls
// CHECK-NOFMV-SAME: () #[[ATTR0]] {
// CHECK-NOFMV-NEXT: entry:
// CHECK-NOFMV-NEXT: ret i32 0
//
//.
// CHECK: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
// CHECK: [[META1:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
//.
// CHECK-NOFMV: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
// CHECK-NOFMV: [[META1:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"}
//.
|
