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
|
// RUN: %clang_cc1 -triple x86_64-linux-gnu -Wno-strict-prototypes -fsyntax-only -verify %s -Wnonnull
void __attribute__((cpu_specific(ivybridge))) no_default(void);
void __attribute__((cpu_specific(sandybridge))) no_default(void);
void use1(void){
// Should be OK, default not a problem.
no_default();
}
int __attribute__((cpu_specific(atom))) addr_of(void);
int __attribute__((cpu_specific(ivybridge))) addr_of(void);
int __attribute__((cpu_specific(ivybridge))) addr_of2(void);
void use2(void){
addr_of();
addr_of2();
// expected-error@+1{{reference to multiversioned function could not be resolved; did you mean to call it with no arguments?}}
(void)+addr_of;
// expected-error@+1{{reference to multiversioned function could not be resolved; did you mean to call it with no arguments?}}
(void)+addr_of2;
// expected-error@+1{{reference to multiversioned function could not be resolved; did you mean to call it with no arguments?}}
(void)&addr_of;
// expected-error@+1{{reference to multiversioned function could not be resolved; did you mean to call it with no arguments?}}
(void)&addr_of2;
}
// expected-error@+1 {{multiversioned function must have a prototype}}
int __attribute__((cpu_specific(atom))) no_proto();
int __attribute__((cpu_specific(atom))) redecl1(void);
int __attribute__((cpu_specific(atom))) redecl1(void) { return 1; }
int __attribute__((cpu_dispatch(atom))) redecl2(void);
int __attribute__((cpu_dispatch(atom))) redecl2(void) { }
// expected-error@+2 {{redefinition of 'redecl2'}}
// expected-note@-2 {{previous definition is here}}
int __attribute__((cpu_dispatch(atom))) redecl2(void) { }
int allow_fwd_decl(void);
int __attribute__((cpu_dispatch(atom))) allow_fwd_decl(void) {}
int allow_fwd_decl2(void);
void use_fwd_decl(void) {
allow_fwd_decl2();
}
// expected-error@+1 {{function declaration cannot become a multiversioned function after first usage}}
int __attribute__((cpu_dispatch(atom))) allow_fwd_decl2(void) {}
int __attribute__((cpu_specific(atom))) redecl4(void);
// expected-error@+1 {{function declaration is missing 'cpu_specific' or 'cpu_dispatch' attribute in a multiversioned function}}
int redecl4(void);
// expected-warning@+1 {{CPU list contains duplicate entries; attribute ignored}}
int __attribute__((cpu_specific(atom, atom))) dup_procs(void);
int __attribute__((cpu_specific(ivybridge, atom))) dup_procs2(void);
// expected-error@+2 {{multiple 'cpu_specific' functions cannot specify the same CPU: 'atom'}}
// expected-note@-2 {{previous declaration is here}}
int __attribute__((cpu_specific(atom))) dup_procs2(void);
int __attribute__((cpu_specific(ivybridge, atom))) dup_procs3(void);
// expected-error@+2 {{multiple 'cpu_specific' functions cannot specify the same CPU: 'ivybridge'}}
// expected-note@-2 {{previous declaration is here}}
int __attribute__((cpu_specific(atom, ivybridge))) dup_procs3(void);
int __attribute__((cpu_specific(atom))) redef(void) { return 1; }
// expected-error@+2 {{redefinition of 'redef'}}
// expected-note@-2 {{previous definition is here}}
int __attribute__((cpu_specific(atom))) redef(void) { return 2; }
int __attribute((cpu_dispatch(atom))) mult_dispatch(void) {}
// expected-error@+2 {{'cpu_dispatch' function redeclared with different CPUs}}
// expected-note@-2 {{previous declaration is here}}
int __attribute((cpu_dispatch(ivybridge))) mult_dispatch(void) {}
// expected-error@+1 {{'cpu_dispatch' attribute takes at least 1 argument}}
int __attribute((cpu_dispatch())) no_dispatch(void) {}
// expected-error@+1 {{'cpu_specific' attribute takes at least 1 argument}}
int __attribute((cpu_specific())) no_specific(void) {}
//expected-error@+1 {{attribute 'cpu_specific' multiversioning cannot be combined with attribute 'used'}}
void __attribute__((used,cpu_specific(sandybridge))) addtl_attrs(void);
void __attribute__((target("default"))) addtl_attrs2(void);
// expected-error@+2 {{multiversioning attributes cannot be combined}}
// expected-note@-2 {{previous declaration is here}}
void __attribute__((cpu_specific(sandybridge))) addtl_attrs2(void);
// expected-error@+2 {{'cpu_dispatch' and 'cpu_specific' attributes are not compatible}}
// expected-note@+1 {{conflicting attribute is here}}
void __attribute((cpu_specific(sandybridge), cpu_dispatch(atom, sandybridge)))
combine_attrs(void);
int __attribute__((cpu_dispatch(ivybridge))) diff_cc(void){}
// expected-error@+1 {{multiversioned function declaration has a different calling convention}}
__vectorcall int __attribute__((cpu_specific(sandybridge))) diff_cc(void);
// expected-warning@+2 {{body of cpu_dispatch function will be ignored}}
int __attribute__((cpu_dispatch(atom))) disp_with_body(void) {
return 5;
}
// expected-error@+1 {{invalid option 'INVALID'}}
int __attribute__((cpu_specific(INVALID))) called_invalid_value(void){ return 1;}
// expected-warning@+3 {{attribute declaration must precede definition}}
// expected-note@-2 2 {{previous definition is here}}
// expected-error@+1 {{redefinition of}}
int __attribute__((cpu_specific(pentium_iii))) called_invalid_value(void){ return 2;}
int __attribute__((cpu_specific(pentium_4))) called_invalid_value(void){ return 3;}
int use3(void) {
return called_invalid_value();
}
// expected-warning@+1 {{CPU list contains duplicate entries; attribute ignored}}
int __attribute__((cpu_dispatch(pentium_iii, pentium_iii_no_xmm_regs))) dupe_p3(void);
void __attribute__((cpu_specific(atom), nothrow, nonnull(1))) addtl_attrs(int*);
int __attribute__((cpu_specific(atom))) bad_overload1(void);
int __attribute__((cpu_specific(ivybridge))) bad_overload1(void);
// expected-error@+1 {{function declaration is missing 'cpu_specific' or 'cpu_dispatch' attribute in a multiversioned function}}
int bad_overload1(int);
int bad_overload2(int);
// expected-error@+2 {{conflicting types for 'bad_overload2'}}
// expected-note@-2 {{previous declaration is here}}
int __attribute__((cpu_specific(atom))) bad_overload2(void);
int __attribute__((cpu_specific(ivybridge))) bad_overload2(void);
int __attribute__((cpu_dispatch(generic))) bad_overload3(void);
int __attribute__((cpu_specific(ivybridge))) bad_overload3(void);
// expected-error@+1 {{function declaration is missing 'cpu_specific' or 'cpu_dispatch' attribute in a multiversioned function}}
int bad_overload3(int);
int bad_overload4(int);
// expected-error@+2 {{conflicting types for 'bad_overload4'}}
// expected-note@-2 {{previous declaration is here}}
int __attribute__((cpu_dispatch(generic))) bad_overload4(void);
int __attribute__((cpu_specific(ivybridge))) bad_overload4(void);
// expected-error@+1 {{attribute 'cpu_specific' multiversioning cannot be combined with attribute 'overloadable'}}
int __attribute__((__overloadable__)) __attribute__((cpu_specific(generic))) bad_overload5(void);
int __attribute__((cpu_specific(ivybridge))) bad_overload5(void);
int __attribute__((cpu_specific(generic))) bad_overload6(void);
// expected-error@+1 {{attribute 'cpu_specific' multiversioning cannot be combined with attribute 'overloadable'}}
int __attribute__((__overloadable__)) __attribute__((cpu_specific(ivybridge))) bad_overload6(void);
int __attribute__((cpu_specific(atom))) good_overload1(void);
int __attribute__((cpu_specific(ivybridge))) good_overload1(void);
int __attribute__((__overloadable__)) good_overload1(int);
int __attribute__((__overloadable__)) good_overload2(int);
int __attribute__((cpu_specific(atom))) good_overload2(void);
int __attribute__((cpu_specific(ivybridge))) good_overload2(void);
// expected-error@+1 {{attribute 'cpu_specific' multiversioning cannot be combined with attribute 'overloadable'}}
int __attribute__((__overloadable__)) __attribute__((cpu_specific(atom))) good_overload3(void);
// expected-error@+1 {{attribute 'cpu_specific' multiversioning cannot be combined with attribute 'overloadable'}}
int __attribute__((__overloadable__)) __attribute__((cpu_specific(ivybridge))) good_overload3(void);
int good_overload3(int);
int good_overload4(int);
// expected-error@+1 {{attribute 'cpu_specific' multiversioning cannot be combined with attribute 'overloadable'}}
int __attribute__((__overloadable__)) __attribute__((cpu_specific(atom))) good_overload4(void);
// expected-error@+1 {{attribute 'cpu_specific' multiversioning cannot be combined with attribute 'overloadable'}}
int __attribute__((__overloadable__)) __attribute__((cpu_specific(ivybridge))) good_overload4(void);
// expected-error@+1 {{attribute 'cpu_specific' multiversioning cannot be combined with attribute 'overloadable'}}
int __attribute__((__overloadable__)) __attribute__((cpu_specific(atom))) good_overload5(void);
// expected-error@+1 {{attribute 'cpu_specific' multiversioning cannot be combined with attribute 'overloadable'}}
int __attribute__((__overloadable__)) __attribute__((cpu_specific(ivybridge))) good_overload5(int);
int __attribute__((cpu_specific(atom))) good_overload6(void);
// expected-error@+1 {{attribute 'cpu_specific' multiversioning cannot be combined with attribute 'overloadable'}}
int __attribute__((__overloadable__)) __attribute__((cpu_specific(ivybridge))) good_overload6(int);
// expected-error@+1 {{attribute 'cpu_specific' multiversioning cannot be combined with attribute 'overloadable'}}
int __attribute__((__overloadable__)) __attribute__((cpu_specific(atom))) good_overload7(void);
int __attribute__((cpu_specific(ivybridge))) good_overload7(int);
|
