1 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -fsyntax-only -verify -fexceptions -fcxx-exceptions %s -std=c++14 |
2 | |
3 | // expected-error@+1{{invalid option 'invalid' for cpu_dispatch}} |
4 | void __attribute__((cpu_dispatch(atom, invalid))) invalid_cpu(); |
5 | |
6 | void __attribute__((cpu_specific(atom))) no_default(void); |
7 | void __attribute__((cpu_specific(sandybridge))) no_default(void); |
8 | |
9 | struct MVReference { |
10 | int __attribute__((cpu_specific(sandybridge))) bar(void); |
11 | int __attribute__((cpu_specific(ivybridge))) bar(void); |
12 | int __attribute__((cpu_specific(sandybridge))) foo(void); |
13 | }; |
14 | |
15 | void use1(void){ |
16 | // OK, will fail in the linker, unless another TU provides the cpu_dispatch. |
17 | no_default(); |
18 | |
19 | // expected-error@+1 {{call to non-static member function without an object argument}} |
20 | +MVReference::bar; |
21 | // expected-error@+1 {{call to non-static member function without an object argument}} |
22 | +MVReference::foo; |
23 | // expected-error@+1 {{reference to multiversioned function could not be resolved; did you mean to call it?}} |
24 | &MVReference::bar; |
25 | // expected-error@+1 {{reference to multiversioned function could not be resolved; did you mean to call it?}} |
26 | &MVReference::foo; |
27 | } |
28 | |
29 | //expected-error@+1 {{attribute 'cpu_specific' multiversioned functions do not yet support constexpr functions}} |
30 | constexpr int __attribute__((cpu_specific(sandybridge))) foo(void); |
31 | |
32 | int __attribute__((cpu_specific(sandybridge))) foo2(void); |
33 | //expected-error@+1 {{attribute 'cpu_specific' multiversioned functions do not yet support constexpr functions}} |
34 | constexpr int __attribute__((cpu_specific(ivybridge))) foo2(void); |
35 | |
36 | static int __attribute__((cpu_specific(sandybridge))) bar(void); |
37 | //expected-error@+1 {{multiversioned function declaration has a different storage class}} |
38 | int __attribute__((cpu_dispatch(ivybridge))) bar(void) {} |
39 | |
40 | inline int __attribute__((cpu_specific(sandybridge))) baz(void); |
41 | //expected-error@+1 {{multiversioned function declaration has a different inline specification}} |
42 | int __attribute__((cpu_specific(ivybridge))) baz(void) {return 1;} |
43 | |
44 | void __attribute__((cpu_specific(atom))) diff_return(void); |
45 | //expected-error@+1 {{multiversioned function declaration has a different return type}} |
46 | int __attribute__((cpu_specific(sandybridge))) diff_return(void); |
47 | |
48 | int __attribute__((cpu_specific(atom))) diff_noexcept(void) noexcept(true); |
49 | //expected-error@+2 {{exception specification in declaration does not match previous declaration}} |
50 | //expected-note@-2 {{previous declaration is here}} |
51 | int __attribute__((cpu_specific(sandybridge))) diff_noexcept(void) noexcept(false); |
52 | |
53 | // FIXME: Add support for templates and virtual functions! |
54 | // expected-error@+2 {{multiversioned functions do not yet support function templates}} |
55 | template<typename T> |
56 | int __attribute__((cpu_specific(atom))) foo(T) { return 0; } |
57 | // expected-error@+2 {{multiversioned functions do not yet support function templates}} |
58 | template<typename T> |
59 | int __attribute__((cpu_specific(sandybridge))) foo2(T); |
60 | |
61 | struct S { |
62 | // expected-error@+2 {{multiversioned functions do not yet support function templates}} |
63 | template<typename T> |
64 | int __attribute__((cpu_specific(atom))) foo(T) { return 0; } |
65 | |
66 | // expected-error@+2 {{multiversioned functions do not yet support function templates}} |
67 | template<typename T> |
68 | int __attribute__((cpu_dispatch(ivybridge))) foo2(T) {} |
69 | |
70 | // expected-error@+1 {{multiversioned functions do not yet support virtual functions}} |
71 | virtual void __attribute__((cpu_specific(atom))) virt(); |
72 | }; |
73 | |
74 | extern "C" { |
75 | int __attribute__((cpu_specific(atom))) diff_mangle(void) { return 0; } |
76 | } |
77 | //expected-error@+1 {{multiversioned function declaration has a different linkage}} |
78 | int __attribute__((cpu_specific(sandybridge))) diff_mangle(void) { return 0; } |
79 | |
80 | __attribute__((cpu_specific(atom))) void DiffDecl(); |
81 | namespace N { |
82 | using ::DiffDecl; |
83 | // expected-error@+3 {{declaration conflicts with target of using declaration already in scope}} |
84 | // expected-note@-4 {{target of using declaration}} |
85 | // expected-note@-3 {{using declaration}} |
86 | __attribute__((cpu_dispatch(atom))) void DiffDecl(); |
87 | } // namespace N |
88 | |
89 | struct SpecialFuncs { |
90 | // expected-error@+1 {{multiversioned functions do not yet support constructors}} |
91 | __attribute__((cpu_specific(atom))) SpecialFuncs(); |
92 | // expected-error@+1 {{multiversioned functions do not yet support destructors}} |
93 | __attribute__((cpu_specific(atom))) ~SpecialFuncs(); |
94 | |
95 | // expected-error@+1 {{multiversioned functions do not yet support defaulted functions}} |
96 | SpecialFuncs& __attribute__((cpu_specific(atom))) operator=(const SpecialFuncs&) = default; |
97 | // expected-error@+1 {{multiversioned functions do not yet support deleted functions}} |
98 | SpecialFuncs& __attribute__((cpu_specific(atom))) operator=(SpecialFuncs&&) = delete; |
99 | }; |
100 | |
101 | struct BadOutOfLine { |
102 | int __attribute__((cpu_specific(atom, ivybridge))) foo(int); |
103 | }; |
104 | |
105 | int __attribute__((cpu_specific(atom, ivybridge))) BadOutOfLine::foo(int) { return 0; } |
106 | // expected-error@+2 {{out-of-line definition of 'foo' does not match any declaration in 'BadOutOfLine'}} |
107 | // expected-note@-2 {{member declaration nearly matches}} |
108 | int __attribute__((cpu_specific(sandybridge))) BadOutOfLine::foo(int) { return 1; } |
109 | |
110 | // Ensure Cpp Spelling works. |
111 | [[clang::cpu_specific(ivybridge,atom)]] int CppSpelling(){} |
112 | |
113 | // expected-error@+1 {{lambda cannot be declared 'cpu_dispatch'}} |
114 | auto x = []() __attribute__((cpu_dispatch(atom))) {}; |
115 | |