gcc/testsuite/gcc.dg/ipa/ipa-icf-30.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-ipa-icf -fno-inline"  } */
   3
   4 struct str
   5 {
   6   unsigned a:1, b:1;
   7 };
   8
   9 static struct str test;
  10
  11 unsigned foo(struct str *s)
  12 {
  13   return s->a;
  14 }
  15
  16 unsigned bar(struct str *s)
  17 {
  18   return s->a;
  19 }
  20
  21 int main()
  22 {
  23   test.a = 0;
  24   test.b = 1;
  25
  26   return foo (&test) == bar (&test);
  27 }
  28
  29 /* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf"  } } */