1  /* Verify that indirect inlining machinery can remove references to functions
       2     passed as parameters that are never used.  */
       3  /* { dg-do compile } */
       4  /* { dg-options "-O3 -fno-early-inlining -fno-ipa-sra -fno-ipa-cp -fdump-ipa-inline -fdump-tree-optimized"  } */
       5  
       6  extern int __attribute__ ((noinline, noclone, used))
       7  stuff (int i)
       8  {
       9    return 0;
      10  }
      11  
      12  static void hooray ()
      13  {
      14    stuff (1);
      15  }
      16  
      17  static int hiphip (void (*f)())
      18  {
      19    return stuff (2);
      20  }
      21  
      22  int main (void)
      23  {
      24    return hiphip (hooray);
      25  }
      26  
      27  /* { dg-final { scan-ipa-dump "ipa-prop: Removed a reference"  "inline"  } } */
      28  /* { dg-final { scan-tree-dump-not "hooray"  "optimized"  } } */