llvm-project/clang/test/Sema/attr-target-mv.c
Michael Kruse 41dd6ced2c Revert "Append new attributes to the end of an AttributeList."
This reverts commit r335084 as requested by David Jones and
Eric Christopher because of differences of emitted warnings.

llvm-svn: 335516
2018-06-25 20:06:13 +00:00

104 lines
5.0 KiB
C

// 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; }
int prev_no_target(void);
int __attribute__((target("arch=sandybridge"))) prev_no_target(void) { return 2; }
// expected-error@-2 {{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_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@+1 {{attribute 'target' multiversioning cannot be combined}}
void __attribute__((used,target("arch=sandybridge"))) addtl_attrs(void);
//expected-error@+1 {{attribute 'target' multiversioning cannot be combined}}
void __attribute__((target("default"), used)) addtl_attrs2(void);
//expected-error@+2 {{attribute 'target' multiversioning cannot be combined}}
//expected-note@+2 {{function multiversioning caused by this declaration}}
void __attribute__((used,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__((used,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);