gcc/testsuite/gcc.dg/ipa/ipa-icf-35.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-ipa-icf"  } */
   3
   4 void f1()
   5 {
   6 }
   7
   8 void f2()
   9 {
  10 }
  11
  12 static void (*a)(void)=&f1;
  13 static void (*b)(void)=&f1;
  14 static void (*c)(void)=&f2;
  15 static void (*d)(void)=&f2;
  16
  17 int main()
  18 {
  19   a();
  20   b();
  21   c();
  22   d();
  23
  24   return 0;
  25 }
  26
  27 /* { dg-final { scan-ipa-dump "Equal symbols: 3" "icf"  } } */
  28 /* { dg-final { scan-ipa-dump "Semantic equality hit:f1->f2" "icf"  } } */
  29 /* { dg-final { scan-ipa-dump "Semantic equality hit:c->d" "icf"  } } */
  30 /* { dg-final { scan-ipa-dump "Semantic equality hit:a->b" "icf"  } } */