clang/test/Sema/attr-target-clones-aarch64.c

   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"))) 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 // expected-warning@+1 {{version list contains entries that don't impact code generation}}
   8 void __attribute__((target_clones("ssbs+ls64"))) warn2(void);
   9
  10 // expected-error@+2 {{'target_clones' and 'target_version' attributes are not compatible}}
  11 // expected-note@+1 {{conflicting attribute is here}}
  12 void __attribute__((target_version("sve-bf16"), target_clones("sme+memtag"))) not_compat(void);
  13
  14 int redecl(void);
  15 int __attribute__((target_clones("frintts", "simd+fp", "default"))) redecl(void) { return 1; }
  16
  17 int __attribute__((target_clones("jscvt+fcma", "rcpc", "default"))) redecl2(void);
  18 int __attribute__((target_clones("jscvt+fcma", "rcpc"))) redecl2(void) { return 1; }
  19
  20 int __attribute__((target_clones("sve+dotprod"))) redecl3(void);
  21 int redecl3(void);
  22
  23 int __attribute__((target_clones("rng", "fp16fml+fp", "default"))) redecl4(void);
  24 // expected-error@+3 {{'target_clones' attribute does not match previous declaration}}
  25 // expected-note@-2 {{previous declaration is here}}
  26 // expected-warning@+1 {{version list contains entries that don't impact code generation}}
  27 int __attribute__((target_clones("dgh+memtag+rpres+ls64_v", "ebf16+dpb+sha1", "default"))) redecl4(void) { return 1; }
  28
  29 int __attribute__((target_version("flagm2"))) redef2(void) { return 1; }
  30 // expected-error@+2 {{multiversioning attributes cannot be combined}}
  31 // expected-note@-2 {{previous declaration is here}}
  32 int __attribute__((target_clones("flagm2", "default"))) redef2(void) { return 1; }
  33
  34 int __attribute__((target_clones("f32mm", "f64mm", "sha1+fp"))) redef3(void) { return 1; }
  35 // expected-error@+2 {{'target_clones' attribute does not match previous declaration}}
  36 // expected-note@-2 {{previous declaration is here}}
  37 int __attribute__((target_clones("f32mm", "sha1+fp", "f64mm"))) redef3(void) { return 1; }
  38
  39 int __attribute__((target_clones("rdm+lse+rdm", "lse+rdm"))) dup1(void) { return 1; }
  40 // expected-warning@+1 {{version list contains duplicate entries}}
  41 int __attribute__((target_clones("rdm+lse+rdm", "rdm+lse+rdm"))) dup2(void) { return 2; }
  42 // expected-warning@+1 {{version list contains duplicate entries}}
  43 int __attribute__((target_clones("rcpc2+sve2-pmull128", "rcpc2+sve2-pmull128"))) dup3(void) { return 3; }
  44 // expected-warning@+1 {{version list contains duplicate entries}}
  45 void __attribute__((target_clones("sha3", "default", "default"))) dup4(void);
  46 // expected-warning@+2 {{version list contains duplicate entries}}
  47 // expected-warning@+1 {{version list contains duplicate entries}}
  48 int __attribute__((target_clones("fp", "fp", "crc+dotprod", "dotprod+crc"))) dup5(void) { return 5; }
  49
  50 // expected-warning@+1 {{version list contains duplicate entries}}
  51 int __attribute__((target_clones("fp16+memtag", "memtag+fp16"))) dup6(void) { return 6; }
  52 int __attribute__((target_clones("simd+ssbs2", "simd+dpb2"))) dup7(void) { return 7; }
  53
  54 // expected-warning@+1 {{unsupported '' in the 'target_clones' attribute string;}}
  55 void __attribute__((target_clones(""))) empty_target_1(void);
  56 // expected-warning@+3 {{unsupported 'default' in the 'target_clones' attribute string;}}
  57 // expected-warning@+2 {{unsupported 'default' in the 'target_clones' attribute string;}}
  58 // expected-warning@+1 {{version list contains entries that don't impact code generation}}
  59 void __attribute__((target_clones("default+default"))) empty_target_2(void);
  60 // expected-warning@+1 {{unsupported '' in the 'target_clones' attribute string;}}
  61 void __attribute__((target_clones("+sve2")))
  62 empty_target_3(void);
  63 // expected-warning@+1 {{unsupported 'bs' in the 'target_clones' attribute string;}}
  64 void __attribute__((target_clones("sb+bs")))
  65 empty_target_4(void);
  66
  67 // expected-warning@+1 {{unsupported '' in the 'target_clones' attribute string;}}
  68 void __attribute__((target_clones("default", "")))
  69 empty_target_5(void);
  70
  71 // expected-warning@+1 {{version list contains duplicate entries}}
  72 void __attribute__((target_clones("sve2-bitperm", "sve2-bitperm")))
  73 dupe_normal(void);
  74
  75 void __attribute__((target_clones("default"), target_clones("memtag3+bti"))) dupe_normal2(void);
  76
  77 int mv_after_use(void);
  78 int useage(void) {
  79   return mv_after_use();
  80 }
  81 // expected-error@+1 {{function declaration cannot become a multiversioned function after first usage}}
  82 int __attribute__((target_clones("sve2-sha3+ssbs2", "sm4"))) mv_after_use(void) { return 1; }
  83 // expected-error@+1 {{'main' cannot be a multiversioned function}}
  84 int __attribute__((target_clones("sve-i8mm"))) main() { return 1; }