1  /* { dg-require-effective-target lto } */
       2  /* { dg-lto-options { { -flto -O3 -fipa-cp -fipa-cp-clone } } } */
       3  /* { dg-lto-do run } */
       4  
       5  /* In order to trigger IPA-CP cloning we have to:
       6  
       7    1. Put the calls in main into a loop; otherwise everything is
       8    cold and we would not clone.
       9  
      10    2. Make different foos and bars actually semantically different;
      11    otherwise IPA-ICF unified them (as it should).
      12  
      13  */
      14  
      15  volatile int g;
      16  
      17  void __attribute__ ((noipa))
      18  use (int v)
      19  {
      20    g = v;
      21  }
      22  
      23  static int __attribute__ ((noinline))
      24  foo (int arg)
      25  {
      26    return 7 * arg;
      27  }
      28  
      29  static int __attribute__ ((noinline))
      30  bar (int arg)
      31  {
      32    return arg * arg;
      33  }
      34  
      35  extern int __attribute__ ((noinline))
      36  entry2 (void);
      37  
      38  int  __attribute__ ((noipa))
      39  get_opaque_number (void)
      40  {
      41    return 1;
      42  }
      43  
      44  int main (void)
      45  {
      46    int i;
      47    for (i = 0; i < get_opaque_number (); i++)
      48      {
      49        use (bar (3));
      50        use (bar (4));
      51        use (foo (5));
      52        use (foo (6));
      53  
      54        entry2 ();
      55      }
      56    return 0;
      57  }