clang/test/Sema/x86-attr-force-align-arg-pointer.c

   1 // RUN: %clang_cc1 -triple i386-apple-darwin10 -fsyntax-only -verify %s
   2
   3 int a __attribute__((force_align_arg_pointer)); // expected-warning{{attribute only applies to functions}}
   4
   5 // It doesn't matter where the attribute is located.
   6 void b(void) __attribute__((force_align_arg_pointer));
   7 void __attribute__((force_align_arg_pointer)) c(void);
   8
   9 // Functions only have to be declared force_align_arg_pointer once.
  10 void b(void) {}
  11
  12 // It doesn't matter which declaration has the attribute.
  13 void d(void);
  14 void __attribute__((force_align_arg_pointer)) d(void) {}
  15
  16 // Attribute is ignored on function pointer types.
  17 void (__attribute__((force_align_arg_pointer)) *p)(void);
  18 typedef void (__attribute__((__force_align_arg_pointer__)) *p2)(void);
  19 // Attribute is also ignored on function typedefs.
  20 typedef void __attribute__((force_align_arg_pointer)) e(void);
  21