| 1 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -fsyntax-only -verify %s |
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| 2 | |
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| 3 | void __attribute__((cpu_specific(ivybridge))) no_default(void); |
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| 4 | void __attribute__((cpu_specific(sandybridge))) no_default(void); |
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| 5 | |
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| 6 | void use1(void){ |
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| 7 | // Should be OK, default not a problem. |
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| 8 | no_default(); |
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| 9 | } |
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| 10 | |
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| 11 | int __attribute__((cpu_specific(atom))) addr_of(void); |
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| 12 | int __attribute__((cpu_specific(ivybridge))) addr_of(void); |
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| 13 | int __attribute__((cpu_specific(ivybridge))) addr_of2(void); |
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| 14 | |
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| 15 | void use2(void){ |
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| 16 | addr_of(); |
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| 17 | addr_of2(); |
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| 18 | // expected-error@+1{{reference to multiversioned function could not be resolved; did you mean to call it with no arguments?}} |
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| 19 | (void)+addr_of; |
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| 20 | // expected-error@+1{{reference to multiversioned function could not be resolved; did you mean to call it with no arguments?}} |
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| 21 | (void)+addr_of2; |
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| 22 | // expected-error@+1{{reference to multiversioned function could not be resolved; did you mean to call it with no arguments?}} |
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| 23 | (void)&addr_of; |
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| 24 | // expected-error@+1{{reference to multiversioned function could not be resolved; did you mean to call it with no arguments?}} |
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| 25 | (void)&addr_of2; |
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| 26 | } |
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| 27 | |
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| 28 | // expected-error@+1 {{multiversioned function must have a prototype}} |
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| 29 | int __attribute__((cpu_specific(atom))) no_proto(); |
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| 30 | |
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| 31 | int __attribute__((cpu_specific(atom))) redecl1(void); |
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| 32 | int __attribute__((cpu_specific(atom))) redecl1(void) { return 1; } |
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| 33 | |
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| 34 | int __attribute__((cpu_dispatch(atom))) redecl2(void); |
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| 35 | int __attribute__((cpu_dispatch(atom))) redecl2(void) { } |
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| 36 | // expected-error@+2 {{redefinition of 'redecl2'}} |
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| 37 | // expected-note@-2 {{previous definition is here}} |
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| 38 | int __attribute__((cpu_dispatch(atom))) redecl2(void) { } |
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| 39 | |
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| 40 | int allow_fwd_decl(void); |
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| 41 | int __attribute__((cpu_dispatch(atom))) allow_fwd_decl(void) {} |
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| 42 | |
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| 43 | int allow_fwd_decl2(void); |
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| 44 | void use_fwd_decl(void) { |
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| 45 | allow_fwd_decl2(); |
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| 46 | } |
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| 47 | // expected-error@+1 {{function declaration cannot become a multiversioned function after first usage}} |
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| 48 | int __attribute__((cpu_dispatch(atom))) allow_fwd_decl2(void) {} |
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| 49 | |
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| 50 | |
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| 51 | int __attribute__((cpu_specific(atom))) redecl4(void); |
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| 52 | // expected-error@+1 {{function declaration is missing 'cpu_specific' or 'cpu_dispatch' attribute in a multiversioned function}} |
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| 53 | int redecl4(void); |
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| 54 | |
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| 55 | // expected-warning@+1 {{CPU list contains duplicate entries; attribute ignored}} |
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| 56 | int __attribute__((cpu_specific(atom, atom))) dup_procs(void); |
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| 57 | |
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| 58 | int __attribute__((cpu_specific(ivybridge, atom))) dup_procs2(void); |
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| 59 | // expected-error@+2 {{multiple 'cpu_specific' functions cannot specify the same CPU: 'atom'}} |
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| 60 | // expected-note@-2 {{previous declaration is here}} |
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| 61 | int __attribute__((cpu_specific(atom))) dup_procs2(void); |
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| 62 | |
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| 63 | int __attribute__((cpu_specific(ivybridge, atom))) dup_procs3(void); |
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| 64 | // expected-error@+2 {{multiple 'cpu_specific' functions cannot specify the same CPU: 'ivybridge'}} |
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| 65 | // expected-note@-2 {{previous declaration is here}} |
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| 66 | int __attribute__((cpu_specific(atom, ivybridge))) dup_procs3(void); |
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| 67 | |
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| 68 | int __attribute__((cpu_specific(atom))) redef(void) { return 1; } |
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| 69 | // expected-error@+2 {{redefinition of 'redef'}} |
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| 70 | // expected-note@-2 {{previous definition is here}} |
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| 71 | int __attribute__((cpu_specific(atom))) redef(void) { return 2; } |
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| 72 | |
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| 73 | int __attribute((cpu_dispatch(atom))) mult_dispatch(void) {} |
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| 74 | // expected-error@+2 {{'cpu_dispatch' function redeclared with different CPUs}} |
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| 75 | // expected-note@-2 {{previous declaration is here}} |
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| 76 | int __attribute((cpu_dispatch(ivybridge))) mult_dispatch(void) {} |
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| 77 | |
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| 78 | // expected-error@+1 {{'cpu_dispatch' attribute takes at least 1 argument}} |
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| 79 | int __attribute((cpu_dispatch())) no_dispatch(void) {} |
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| 80 | // expected-error@+1 {{'cpu_specific' attribute takes at least 1 argument}} |
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| 81 | int __attribute((cpu_specific())) no_specific(void) {} |
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| 82 | |
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| 83 | //expected-error@+1 {{attribute 'cpu_specific' multiversioning cannot be combined}} |
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| 84 | void __attribute__((used,cpu_specific(sandybridge))) addtl_attrs(void); |
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| 85 | |
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| 86 | void __attribute__((target("default"))) addtl_attrs2(void); |
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| 87 | // expected-error@+2 {{multiversioning attributes cannot be combined}} |
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| 88 | // expected-note@-2 {{previous declaration is here}} |
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| 89 | void __attribute__((cpu_specific(sandybridge))) addtl_attrs2(void); |
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| 90 | |
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| 91 | // expected-error@+2 {{multiversioning attributes cannot be combined}} |
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| 92 | void __attribute((cpu_specific(sandybridge), cpu_dispatch(atom, sandybridge))) |
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| 93 | combine_attrs(void); |
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| 94 | |
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| 95 | int __attribute__((cpu_dispatch(ivybridge))) diff_cc(void){} |
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| 96 | // expected-error@+1 {{multiversioned function declaration has a different calling convention}} |
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| 97 | __vectorcall int __attribute__((cpu_specific(sandybridge))) diff_cc(void); |
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| 98 | |
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| 99 | // expected-warning@+2 {{body of cpu_dispatch function will be ignored}} |
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| 100 | int __attribute__((cpu_dispatch(atom))) disp_with_body(void) { |
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| 101 | return 5; |
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| 102 | } |
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| 103 | |
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| 104 | // expected-error@+1 {{invalid option 'INVALID'}} |
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| 105 | int __attribute__((cpu_specific(INVALID))) called_invalid_value(void){ return 1;} |
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| 106 | // expected-warning@+3 {{attribute declaration must precede definition}} |
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| 107 | // expected-note@-2 2 {{previous definition is here}} |
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| 108 | // expected-error@+1 {{redefinition of}} |
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| 109 | int __attribute__((cpu_specific(pentium_iii))) called_invalid_value(void){ return 2;} |
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| 110 | int __attribute__((cpu_specific(pentium_4))) called_invalid_value(void){ return 3;} |
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| 111 | |
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| 112 | int use3(void) { |
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| 113 | return called_invalid_value(); |
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| 114 | } |
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| 115 | |
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| 116 | // expected-warning@+1 {{CPU list contains duplicate entries; attribute ignored}} |
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| 117 | int __attribute__((cpu_dispatch(pentium_iii, pentium_iii_no_xmm_regs))) dupe_p3(void); |
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| 118 | |
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