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comparison clang/test/Sema/attr-target-mv.c @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children 0572611fdcc8
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147:c2174574ed3a 150:1d019706d866
1 // RUN: %clang_cc1 -triple x86_64-linux-gnu -fsyntax-only -verify %s
2
3 void __attribute__((target("sse4.2"))) no_default(void);
4 void __attribute__((target("arch=sandybridge"))) no_default(void);
5
6 void use1(void){
7 // expected-error@+1 {{no matching function for call to 'no_default'}}
8 no_default();
9 }
10
11 void __attribute__((target("sse4.2"))) has_def(void);
12 void __attribute__((target("default"))) has_def(void);
13
14 void use2(void){
15 // expected-error@+2 {{reference to overloaded function could not be resolved; did you mean to call it?}}
16 // expected-note@-4 {{possible target for call}}
17 +has_def;
18 }
19
20 int __attribute__((target("sse4.2"))) no_proto();
21 // expected-error@-1 {{multiversioned function must have a prototype}}
22 // expected-note@+1 {{function multiversioning caused by this declaration}}
23 int __attribute__((target("arch=sandybridge"))) no_proto();
24
25 // The following should all be legal, since they are just redeclarations.
26 int __attribute__((target("sse4.2"))) redecl1(void);
27 int __attribute__((target("sse4.2"))) redecl1(void) { return 1; }
28 int __attribute__((target("arch=sandybridge"))) redecl1(void) { return 2; }
29
30 int __attribute__((target("sse4.2"))) redecl2(void) { return 1; }
31 int __attribute__((target("sse4.2"))) redecl2(void);
32 int __attribute__((target("arch=sandybridge"))) redecl2(void) { return 2; }
33
34 int __attribute__((target("sse4.2"))) redecl3(void) { return 0; }
35 int __attribute__((target("arch=ivybridge"))) redecl3(void) { return 1; }
36 int __attribute__((target("arch=sandybridge"))) redecl3(void);
37 int __attribute__((target("arch=sandybridge"))) redecl3(void) { return 2; }
38
39 int __attribute__((target("sse4.2"))) redecl4(void) { return 1; }
40 int __attribute__((target("arch=sandybridge"))) redecl4(void) { return 2; }
41 int __attribute__((target("arch=sandybridge"))) redecl4(void);
42
43 int __attribute__((target("sse4.2"))) redef(void) { return 1; }
44 int __attribute__((target("arch=ivybridge"))) redef(void) { return 1; }
45 int __attribute__((target("arch=sandybridge"))) redef(void) { return 2; }
46 // expected-error@+2 {{redefinition of 'redef'}}
47 // expected-note@-2 {{previous definition is here}}
48 int __attribute__((target("arch=sandybridge"))) redef(void) { return 2; }
49
50 int __attribute__((target("default"))) redef2(void) { return 1;}
51 // expected-error@+2 {{redefinition of 'redef2'}}
52 // expected-note@-2 {{previous definition is here}}
53 int __attribute__((target("default"))) redef2(void) { return 1;}
54
55 int __attribute__((target("sse4.2"))) mv_after_use(void) { return 1; }
56 int use3(void) {
57 return mv_after_use();
58 }
59
60 // expected-error@+1 {{function declaration cannot become a multiversioned function after first usage}}
61 int __attribute__((target("arch=sandybridge"))) mv_after_use(void) { return 2; }
62
63 int __attribute__((target("sse4.2,arch=sandybridge"))) mangle(void) { return 1; }
64 //expected-error@+2 {{multiversioned function redeclarations require identical target attributes}}
65 //expected-note@-2 {{previous declaration is here}}
66 int __attribute__((target("arch=sandybridge,sse4.2"))) mangle(void) { return 2; }
67
68 // allow this, since we want to treat the 1st one as fwd-decl of the sandybridge version.
69 int prev_no_target(void);
70 int __attribute__((target("arch=sandybridge"))) prev_no_target(void) { return 2; }
71 int __attribute__((target("arch=ivybridge"))) prev_no_target(void) { return 2; }
72
73 int __attribute__((target("arch=sandybridge"))) prev_no_target2(void);
74 int prev_no_target2(void);
75 // expected-error@-1 {{function declaration is missing 'target' attribute in a multiversioned function}}
76 // expected-note@+1 {{function multiversioning caused by this declaration}}
77 int __attribute__((target("arch=ivybridge"))) prev_no_target2(void);
78
79 void __attribute__((target("sse4.2"))) addtl_attrs(void);
80 //expected-error@+1 {{attribute 'target' multiversioning cannot be combined}}
81 void __attribute__((used,target("arch=sandybridge"))) addtl_attrs(void);
82
83 //expected-error@+1 {{attribute 'target' multiversioning cannot be combined}}
84 void __attribute__((target("default"), used)) addtl_attrs2(void);
85
86 //expected-error@+2 {{attribute 'target' multiversioning cannot be combined}}
87 //expected-note@+2 {{function multiversioning caused by this declaration}}
88 void __attribute__((used,target("sse4.2"))) addtl_attrs3(void);
89 void __attribute__((target("arch=sandybridge"))) addtl_attrs3(void);
90
91 void __attribute__((target("sse4.2"))) addtl_attrs4(void);
92 void __attribute__((target("arch=sandybridge"))) addtl_attrs4(void);
93 //expected-error@+1 {{attribute 'target' multiversioning cannot be combined}}
94 void __attribute__((used,target("arch=ivybridge"))) addtl_attrs4(void);
95
96 int __attribute__((target("sse4.2"))) diff_cc(void);
97 // expected-error@+1 {{multiversioned function declaration has a different calling convention}}
98 __vectorcall int __attribute__((target("arch=sandybridge"))) diff_cc(void);
99
100 int __attribute__((target("sse4.2"))) diff_ret(void);
101 // expected-error@+1 {{multiversioned function declaration has a different return type}}
102 short __attribute__((target("arch=sandybridge"))) diff_ret(void);