gcc/testsuite/gcc.dg/attr-externally-visible-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -fwhole-program" } */
   3 /* { dg-final { scan-assembler "foo1" } } */
   4 /* { dg-final { scan-assembler "foo2" } } */
   5 /* { dg-final { scan-assembler "foo3" } } */
   6 /* { dg-final { scan-assembler "foo4" } } */
   7 /* { dg-final { scan-assembler "foo5" } } */
   8 /* { dg-final { scan-assembler-not "foo6" } } */
   9 /* { dg-final { scan-assembler "bar1" } } */
  10 /* { dg-final { scan-assembler "bar2" } } */
  11 /* { dg-final { scan-assembler "bar3" } } */
  12 /* { dg-final { scan-assembler "bar4" } } */
  13 /* { dg-final { scan-assembler "bar5" } } */
  14 /* { dg-final { scan-assembler-not "bar6" } } */
  15
  16 extern void foo1 (void) __attribute__((externally_visible));
  17 void foo1 (void) { }
  18
  19 extern void foo2 (void) __attribute__((externally_visible));
  20 __attribute__((externally_visible)) void foo2 (void) { }
  21
  22 extern void foo3 (void);
  23 __attribute__((externally_visible)) void foo3 (void) { }
  24
  25 __attribute__((externally_visible)) void foo4 (void) { }
  26
  27 void foo5 (void) { }
  28 extern void foo5 (void) __attribute__((externally_visible));
  29
  30 void foo6 (void) { }
  31
  32 extern char *bar1 __attribute__((externally_visible));
  33 char *bar1;
  34
  35 extern char *bar2 __attribute__((externally_visible));
  36 char *bar2 __attribute__((externally_visible));
  37
  38 extern char *bar3;
  39 char *bar3 __attribute__((externally_visible));
  40
  41 char *bar4 __attribute__((externally_visible));
  42
  43 char *bar5;
  44 extern char *bar5 __attribute__((externally_visible));
  45
  46 char *bar6;
  47
  48 int main (void) { }