gcc/testsuite/gcc.dg/ipa/ipa-icf-26.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-ipa-icf"  } */
   3
   4 void destroy (void)
   5 {
   6 }
   7
   8 void remove (void)
   9 {
  10 }
  11
  12
  13 struct callbacks
  14 {
  15   void (*success) (void);
  16   void (*error) (void);
  17 };
  18
  19 struct callbacks my_callbacks;
  20
  21 __attribute__ ((noinline))
  22 void foo()
  23 {
  24   my_callbacks.success = destroy;
  25 }
  26
  27 __attribute__ ((noinline))
  28 void bar()
  29 {
  30   my_callbacks.success = remove;
  31 }
  32
  33 int main()
  34 {
  35   foo();
  36   bar();
  37
  38   return 0;
  39 }
  40
  41 /* { dg-final { scan-ipa-dump "Semantic equality hit:destroy->remove" "icf"  } } */
  42 /* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf"  } } */