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// RUN: %clang_cc1 -triple aarch64-linux-gnu -fsyntax-only -verify %s
int __attribute__((target_version("crc"))) dup(void) { return 3; }
int __attribute__((target_version("default"))) dup(void) { return 1; }
//expected-error@+2 {{redefinition of 'dup'}}
//expected-note@-2 {{previous definition is here}}
int __attribute__((target_version("default"))) dup(void) { return 2; }
int __attribute__((target_version("default"))) dup1(void) { return 1; }
//expected-error@+2 {{redefinition of 'dup1'}}
//expected-note@-2 {{previous definition is here}}
int dup1(void) { return 2; }
int __attribute__((target_version("aes"))) foo(void) { return 1; }
//expected-note@+1 {{previous definition is here}}
int __attribute__((target_version("default"))) foo(void) { return 2; }
//expected-note@+1 {{previous declaration is here}}
int __attribute__((target_version("sha3 + pmull "))) foo(void) { return 1; }
//expected-error@+1 {{multiversioning attributes cannot be combined}}
int __attribute__((target("dotprod"))) foo(void) { return -1; }
//expected-error@+1 {{redefinition of 'foo'}}
int foo(void) { return 2; }
//expected-note@+1 {{previous declaration is here}}
void __attribute__((target_version("bti+flagm2"))) one(void) {}
//expected-error@+1 {{multiversioned function redeclarations require identical target attributes}}
void __attribute__((target_version("flagm2+bti"))) one(void) {}
void __attribute__((target_version("ssbs+sha1"))) two(void) {}
void __attribute__((target_version("ssbs+fp16fml"))) two(void) {}
//expected-error@+1 {{'main' cannot be a multiversioned function}}
int __attribute__((target_version("lse"))) main(void) { return 1; }
//expected-note@+1 {{previous definition is here}}
int hoo(void) { return 1; }
//expected-note@-1 {{previous definition is here}}
//expected-warning@+2 {{attribute declaration must precede definition}}
//expected-error@+1 {{redefinition of 'hoo'}}
int __attribute__((target_version("dit"))) hoo(void) { return 2; }
//expected-warning@+1 {{unsupported '' in the 'target_version' attribute string; 'target_version' attribute ignored}}
int __attribute__((target_version(""))) unsup1(void) { return 1; }
//expected-warning@+1 {{unsupported 'crc32' in the 'target_version' attribute string; 'target_version' attribute ignored}}
void __attribute__((target_version("crc32"))) unsup2(void) {}
void __attribute__((target_version("default+fp16"))) koo(void) {}
void __attribute__((target_version("default+default+default"))) loo(void) {}
void __attribute__((target_version("rdm+rng+crc"))) redef(void) {}
//expected-error@+2 {{redefinition of 'redef'}}
//expected-note@-2 {{previous definition is here}}
void __attribute__((target_version("rdm+rng+crc"))) redef(void) {}
int __attribute__((target_version("sm4"))) def(void);
void __attribute__((target_version("dit"))) nodef(void);
void __attribute__((target_version("ls64"))) nodef(void);
void __attribute__((target_version("aes"))) ovl(void);
void __attribute__((target_version("default"))) ovl(void);
int bar() {
// expected-error@+2 {{reference to overloaded function could not be resolved; did you mean to call it?}}
// expected-note@-3 {{possible target for call}}
ovl++;
// expected-error@+1 {{no matching function for call to 'nodef'}}
nodef();
return def();
}
// expected-error@+1 {{function declaration cannot become a multiversioned function after first usage}}
int __attribute__((target_version("sha1"))) def(void) { return 1; }
int __attribute__((target_version("sve"))) prot();
// expected-error@-1 {{multiversioned function must have a prototype}}
// expected-note@+1 {{function multiversioning caused by this declaration}}
int __attribute__((target_version("fcma"))) prot();
int __attribute__((target_version("pmull"))) rtype(int);
// expected-error@+1 {{multiversioned function declaration has a different return type}}
float __attribute__((target_version("rdm"))) rtype(int);
int __attribute__((target_version("sha2"))) combine(void) { return 1; }
// expected-error@+1 {{multiversioned function declaration has a different calling convention}}
int __attribute__((aarch64_vector_pcs, target_version("sha3"))) combine(void) { return 2; }
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