clang/test/Sema/asm-label.c

   1 // RUN: %clang_cc1 -verify %s
   2
   3 void f(void);
   4 void f(void) __asm__("fish");
   5 void g(void);
   6
   7 void f(void) {
   8   g();
   9 }
  10 void g(void) __asm__("gold");  // expected-error{{cannot apply asm label to function after its first use}}
  11
  12 void h(void) __asm__("hose");  // expected-note{{previous declaration is here}}
  13 void h(void) __asm__("hair");  // expected-error{{conflicting asm label}}
  14
  15 int x;
  16 int x __asm__("xenon");
  17 int y;
  18
  19 int test(void) { return y; }
  20
  21 int y __asm__("yacht");  // expected-error{{cannot apply asm label to variable after its first use}}
  22
  23 int z __asm__("zebra");  // expected-note{{previous declaration is here}}
  24 int z __asm__("zooms");  // expected-error{{conflicting asm label}}
  25
  26
  27 // No diagnostics on the following.
  28 void __real_readlink(void) __asm("readlink");
  29 void readlink(void) __asm("__protected_readlink");
  30 void readlink(void) { __real_readlink(); }