| // RUN: %clang_cc1 -triple x86_64-linux-gnu -fsyntax-only -verify %s |
| |
| void __attribute__((target("sse4.2"))) no_default(void); |
| void __attribute__((target("arch=sandybridge"))) no_default(void); |
| |
| void use1(void){ |
| // expected-error@+1 {{no matching function for call to 'no_default'}} |
| no_default(); |
| } |
| |
| void __attribute__((target("sse4.2"))) has_def(void); |
| void __attribute__((target("default"))) has_def(void); |
| |
| void use2(void){ |
| // expected-error@+2 {{reference to overloaded function could not be resolved; did you mean to call it?}} |
| // expected-note@-4 {{possible target for call}} |
| +has_def; |
| } |
| |
| int __attribute__((target("sse4.2"))) no_proto(); |
| // expected-error@-1 {{multiversioned function must have a prototype}} |
| // expected-note@+1 {{function multiversioning caused by this declaration}} |
| int __attribute__((target("arch=sandybridge"))) no_proto(); |
| |
| // The following should all be legal, since they are just redeclarations. |
| int __attribute__((target("sse4.2"))) redecl1(void); |
| int __attribute__((target("sse4.2"))) redecl1(void) { return 1; } |
| int __attribute__((target("arch=sandybridge"))) redecl1(void) { return 2; } |
| |
| int __attribute__((target("sse4.2"))) redecl2(void) { return 1; } |
| int __attribute__((target("sse4.2"))) redecl2(void); |
| int __attribute__((target("arch=sandybridge"))) redecl2(void) { return 2; } |
| |
| int __attribute__((target("sse4.2"))) redecl3(void) { return 0; } |
| int __attribute__((target("arch=ivybridge"))) redecl3(void) { return 1; } |
| int __attribute__((target("arch=sandybridge"))) redecl3(void); |
| int __attribute__((target("arch=sandybridge"))) redecl3(void) { return 2; } |
| |
| int __attribute__((target("sse4.2"))) redecl4(void) { return 1; } |
| int __attribute__((target("arch=sandybridge"))) redecl4(void) { return 2; } |
| int __attribute__((target("arch=sandybridge"))) redecl4(void); |
| |
| int __attribute__((target("sse4.2"))) redef(void) { return 1; } |
| int __attribute__((target("arch=ivybridge"))) redef(void) { return 1; } |
| int __attribute__((target("arch=sandybridge"))) redef(void) { return 2; } |
| // expected-error@+2 {{redefinition of 'redef'}} |
| // expected-note@-2 {{previous definition is here}} |
| int __attribute__((target("arch=sandybridge"))) redef(void) { return 2; } |
| |
| int __attribute__((target("default"))) redef2(void) { return 1;} |
| // expected-error@+2 {{redefinition of 'redef2'}} |
| // expected-note@-2 {{previous definition is here}} |
| int __attribute__((target("default"))) redef2(void) { return 1;} |
| |
| int __attribute__((target("sse4.2"))) mv_after_use(void) { return 1; } |
| int use3(void) { |
| return mv_after_use(); |
| } |
| |
| // expected-error@+1 {{function declaration cannot become a multiversioned function after first usage}} |
| int __attribute__((target("arch=sandybridge"))) mv_after_use(void) { return 2; } |
| |
| int __attribute__((target("sse4.2,arch=sandybridge"))) mangle(void) { return 1; } |
| //expected-error@+2 {{multiversioned function redeclarations require identical target attributes}} |
| //expected-note@-2 {{previous declaration is here}} |
| int __attribute__((target("arch=sandybridge,sse4.2"))) mangle(void) { return 2; } |
| |
| // allow this, since we want to treat the 1st one as fwd-decl of the sandybridge version. |
| int prev_no_target(void); |
| int __attribute__((target("arch=sandybridge"))) prev_no_target(void) { return 2; } |
| int __attribute__((target("arch=ivybridge"))) prev_no_target(void) { return 2; } |
| |
| int __attribute__((target("arch=sandybridge"))) prev_no_target2(void); |
| int prev_no_target2(void); |
| // expected-error@-1 {{function declaration is missing 'target' attribute in a multiversioned function}} |
| // expected-note@+1 {{function multiversioning caused by this declaration}} |
| int __attribute__((target("arch=ivybridge"))) prev_no_target2(void); |
| |
| void __attribute__((target("sse4.2"))) addtl_attrs(void); |
| //expected-error@+2 {{attribute 'target' multiversioning cannot be combined with attribute 'no_caller_saved_registers'}} |
| void __attribute__((no_caller_saved_registers,target("arch=sandybridge"))) |
| addtl_attrs(void); |
| |
| //expected-error@+1 {{attribute 'target' multiversioning cannot be combined with attribute 'no_caller_saved_registers'}} |
| void __attribute__((target("default"), no_caller_saved_registers)) addtl_attrs2(void); |
| |
| //expected-error@+2 {{attribute 'target' multiversioning cannot be combined with attribute 'no_caller_saved_registers'}} |
| //expected-note@+2 {{function multiversioning caused by this declaration}} |
| void __attribute__((no_caller_saved_registers,target("sse4.2"))) addtl_attrs3(void); |
| void __attribute__((target("arch=sandybridge"))) addtl_attrs3(void); |
| |
| void __attribute__((target("sse4.2"))) addtl_attrs4(void); |
| void __attribute__((target("arch=sandybridge"))) addtl_attrs4(void); |
| //expected-error@+1 {{attribute 'target' multiversioning cannot be combined}} |
| void __attribute__((no_caller_saved_registers,target("arch=ivybridge"))) addtl_attrs4(void); |
| |
| int __attribute__((target("sse4.2"))) diff_cc(void); |
| // expected-error@+1 {{multiversioned function declaration has a different calling convention}} |
| __vectorcall int __attribute__((target("arch=sandybridge"))) diff_cc(void); |
| |
| int __attribute__((target("sse4.2"))) diff_ret(void); |
| // expected-error@+1 {{multiversioned function declaration has a different return type}} |
| short __attribute__((target("arch=sandybridge"))) diff_ret(void); |
| |
| void __attribute__((target("sse4.2"), nothrow, used, nonnull(1))) addtl_attrs5(int*); |
| void __attribute__((target("arch=sandybridge"))) addtl_attrs5(int*); |
| |
| void __attribute__((target("sse4.2"))) addtl_attrs6(int*); |
| void __attribute__((target("arch=sandybridge"), nothrow, used, nonnull)) addtl_attrs6(int*); |
| |