| // RUN: %clang_cc1 -triple x86_64-linux-gnu -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 {{multiversioning attributes cannot be combined}} |
| 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*); |