diff options
Diffstat (limited to 'test/Sema/attr-cpuspecific.c')
| -rw-r--r-- | test/Sema/attr-cpuspecific.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/test/Sema/attr-cpuspecific.c b/test/Sema/attr-cpuspecific.c new file mode 100644 index 000000000000..91063c1c5b8a --- /dev/null +++ b/test/Sema/attr-cpuspecific.c @@ -0,0 +1,96 @@ +// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsyntax-only -verify %s + +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 redecl3(void); +// expected-error@-1 {{function declaration is missing 'cpu_specific' or 'cpu_dispatch' attribute in a multiversioned function}} +// expected-note@+1 {{function multiversioning caused by this declaration}} +int __attribute__((cpu_dispatch(atom))) redecl3(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}} +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; +} |