gcc/testsuite/gcc.dg/ipa/ipa-icf-16.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-ipa-icf"  } */
   3
   4 #include <stdio.h>
   5
   6 __attribute__ ((noinline))
   7 int foo()
   8 {
   9   printf ("Hello world.\n");
  10   return 0;
  11 }
  12
  13 __attribute__ ((noinline))
  14 int bar()
  15 {
  16   printf ("Hello world.\n");
  17   return 0;
  18 }
  19
  20 int main()
  21 {
  22   return foo() + bar();
  23 }
  24
  25 /* { dg-final { scan-ipa-dump "Semantic equality hit:foo->bar" "icf"  } } */
  26 /* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf"  } } */