clang/test/Sema/attr-target.c

   1 // RUN: %clang_cc1 -triple x86_64-linux-gnu  -fsyntax-only -verify %s
   2 // RUN: %clang_cc1 -triple aarch64-linux-gnu  -fsyntax-only -verify %s
   3
   4 #ifdef __x86_64__
   5
   6 int __attribute__((target("avx,sse4.2,arch=ivybridge"))) foo(void) { return 4; }
   7 //expected-error@+1 {{'target' attribute takes one argument}}
   8 int __attribute__((target())) bar(void) { return 4; }
   9 // no warning, tune is supported for x86
  10 int __attribute__((target("tune=sandybridge"))) baz(void) { return 4; }
  11 //expected-warning@+1 {{unsupported 'fpmath=' in the 'target' attribute string; 'target' attribute ignored}}
  12 int __attribute__((target("fpmath=387"))) walrus(void) { return 4; }
  13 //expected-warning@+1 {{unknown architecture 'hiss' in the 'target' attribute string; 'target' attribute ignored}}
  14 int __attribute__((target("avx,sse4.2,arch=hiss"))) meow(void) {  return 4; }
  15 //expected-warning@+1 {{unsupported 'woof' in the 'target' attribute string; 'target' attribute ignored}}
  16 int __attribute__((target("woof"))) bark(void) {  return 4; }
  17 // no warning, same as saying 'nothing'.
  18 int __attribute__((target("arch="))) turtle(void) { return 4; }
  19 //expected-warning@+1 {{unknown architecture 'hiss' in the 'target' attribute string; 'target' attribute ignored}}
  20 int __attribute__((target("arch=hiss,arch=woof"))) pine_tree(void) { return 4; }
  21 //expected-warning@+1 {{duplicate 'arch=' in the 'target' attribute string; 'target' attribute ignored}}
  22 int __attribute__((target("arch=ivybridge,arch=haswell"))) oak_tree(void) { return 4; }
  23 //expected-warning@+1 {{unsupported 'branch-protection' in the 'target' attribute string; 'target' attribute ignored}}
  24 int __attribute__((target("branch-protection=none"))) birch_tree(void) { return 5; }
  25 //expected-warning@+1 {{unknown tune CPU 'hiss' in the 'target' attribute string; 'target' attribute ignored}}
  26 int __attribute__((target("tune=hiss,tune=woof"))) apple_tree(void) { return 4; }
  27
  28 #else
  29
  30 // tune is not supported by other targets.
  31 //expected-warning@+1 {{unsupported 'tune=' in the 'target' attribute string; 'target' attribute ignored}}
  32 int __attribute__((target("tune=hiss"))) baz(void) { return 4; }
  33
  34 #endif