clang/test/Sema/aarch64-svepcs.c

   1 // RUN: %clang_cc1 -triple aarch64-linux-gnu -target-feature +sve -verify %s
   2
   3 typedef __attribute__((aarch64_sve_pcs)) int invalid_typedef; // expected-warning {{'aarch64_sve_pcs' only applies to function types; type here is 'int'}}
   4
   5 void __attribute__((aarch64_sve_pcs(0))) foo0(void); // expected-error {{'aarch64_sve_pcs' attribute takes no arguments}}
   6
   7 void __attribute__((aarch64_sve_pcs, preserve_all)) foo1(void); // expected-error {{not compatible}}
   8
   9 void __attribute__((cdecl)) foo2(void);             // expected-note {{previous declaration is here}}
  10 void __attribute__((aarch64_sve_pcs)) foo2(void) {} // expected-error {{function declared 'aarch64_sve_pcs' here was previously declared 'cdecl'}}
  11
  12 void foo3(void);                                    // expected-note {{previous declaration is here}}
  13 void __attribute__((aarch64_sve_pcs)) foo3(void) {} // expected-error {{function declared 'aarch64_sve_pcs' here was previously declared without calling convention}}
  14
  15 typedef int (*fn_ty)(void);
  16 typedef int __attribute__((aarch64_sve_pcs)) (*aasvepcs_fn_ty)(void);
  17 void foo4(fn_ty ptr1, aasvepcs_fn_ty ptr2) {
  18   ptr1 = ptr2; // expected-error {{incompatible function pointer types}}
  19 }