1 // RUN: %clang_cc1 -triple aarch64-linux-gnu -fsyntax-only -verify %s 2 3 void __attribute__((target_clones("fp16+sve2-aes", "sb+sve2-sha3+rcpc3+mops", "rdma"))) no_def(void); 4 5 // expected-warning@+1 {{unsupported 'default' in the 'target_clones' attribute string; 'target_clones' attribute ignored}} 6 void __attribute__((target_clones("default+sha3"))) warn1(void); 7 8 // expected-error@+2 {{'target_clones' and 'target_version' attributes are not compatible}} 9 // expected-note@+1 {{conflicting attribute is here}} 10 void __attribute__((target_version("sve"), target_clones("sme+memtag"))) not_compat(void); 11 12 int redecl(void); 13 int __attribute__((target_clones("frintts", "simd+fp", "default"))) redecl(void) { return 1; } 14 15 int __attribute__((target_clones("jscvt+fcma", "rcpc", "default"))) redecl2(void); 16 int __attribute__((target_clones("jscvt+fcma", "rcpc"))) redecl2(void) { return 1; } 17 18 int __attribute__((target_clones("sve+dotprod"))) redecl3(void); 19 int redecl3(void); 20 21 int __attribute__((target_clones("rng", "fp16fml+fp", "default"))) redecl4(void); 22 // expected-error@+2 {{'target_clones' attribute does not match previous declaration}} 23 // expected-note@-2 {{previous declaration is here}} 24 int __attribute__((target_clones("dit", "bf16+dpb", "default"))) redecl4(void) { return 1; } 25 26 int __attribute__((target_version("flagm2"))) redef2(void) { return 1; } 27 // expected-error@+2 {{multiversioned function redeclarations require identical target attributes}} 28 // expected-note@-2 {{previous declaration is here}} 29 int __attribute__((target_clones("flagm2", "default"))) redef2(void) { return 1; } 30 31 int __attribute__((target_clones("f32mm", "f64mm", "sha2+fp"))) redef3(void) { return 1; } 32 // expected-error@+2 {{'target_clones' attribute does not match previous declaration}} 33 // expected-note@-2 {{previous declaration is here}} 34 int __attribute__((target_clones("f32mm", "sha2+fp", "f64mm"))) redef3(void) { return 1; } 35 36 int __attribute__((target_clones("rdm+lse+rdm", "lse+rdm"))) dup1(void) { return 1; } 37 // expected-warning@+1 {{version list contains duplicate entries}} 38 int __attribute__((target_clones("rdm+lse+rdm", "rdm+lse+rdm"))) dup2(void) { return 2; } 39 // expected-warning@+1 {{version list contains duplicate entries}} 40 int __attribute__((target_clones("rcpc2+sve2-aes", "rcpc2+sve2-aes"))) dup3(void) { return 3; } 41 // expected-warning@+1 {{version list contains duplicate entries}} 42 void __attribute__((target_clones("sha3", "default", "default"))) dup4(void); 43 // expected-warning@+2 {{version list contains duplicate entries}} 44 // expected-warning@+1 {{version list contains duplicate entries}} 45 int __attribute__((target_clones("fp", "fp", "crc+dotprod", "dotprod+crc"))) dup5(void) { return 5; } 46 47 // expected-warning@+1 {{version list contains duplicate entries}} 48 int __attribute__((target_clones("fp16+memtag", "memtag+fp16"))) dup6(void) { return 6; } 49 50 // expected-warning@+1 {{unsupported '' in the 'target_clones' attribute string;}} 51 void __attribute__((target_clones(""))) empty_target_1(void); 52 // expected-warning@+3 {{unsupported 'default' in the 'target_clones' attribute string;}} 53 // expected-warning@+2 {{unsupported 'default' in the 'target_clones' attribute string;}} 54 // expected-warning@+1 {{version list contains entries that don't impact code generation}} 55 void __attribute__((target_clones("default+default"))) empty_target_2(void); 56 // expected-warning@+1 {{unsupported '' in the 'target_clones' attribute string;}} 57 void __attribute__((target_clones("+sve2"))) 58 empty_target_3(void); 59 // expected-warning@+1 {{unsupported 'bs' in the 'target_clones' attribute string;}} 60 void __attribute__((target_clones("sb+bs"))) 61 empty_target_4(void); 62 63 // expected-warning@+1 {{unsupported '' in the 'target_clones' attribute string;}} 64 void __attribute__((target_clones("default", ""))) 65 empty_target_5(void); 66 67 // expected-warning@+1 {{version list contains duplicate entries}} 68 void __attribute__((target_clones("sve2-bitperm", "sve2-bitperm"))) 69 dupe_normal(void); 70 71 void __attribute__((target_clones("default"), target_clones("memtag+bti"))) dupe_normal2(void); 72 73 int mv_after_use(void); 74 int useage(void) { 75 return mv_after_use(); 76 } 77 // expected-error@+1 {{function declaration cannot become a multiversioned function after first usage}} 78 int __attribute__((target_clones("sve2-sha3+ssbs", "sm4"))) mv_after_use(void) { return 1; } 79 // expected-error@+1 {{'main' cannot be a multiversioned function}} 80 int __attribute__((target_clones("i8mm"))) main() { return 1; } 81