1  /* Test gcov block mode.  Compiler generates following CFG:
       2  
       3    <bb 3>:
       4    if (false_var_4 != 0)
       5      goto <bb 4>;
       6    else
       7      goto <bb 5>;
       8  
       9    <bb 4>:
      10    ret_6 = 111;
      11    PROF_edge_counter_10 = __gcov0.UuT[0];
      12    PROF_edge_counter_11 = PROF_edge_counter_10 + 1;
      13    __gcov0.UuT[0] = PROF_edge_counter_11;
      14  
      15    <bb 5>:
      16    # ret_1 = PHI <ret_5(3), ret_6(4)>
      17    goto <bb 7>;
      18  
      19  It's important not to include <bb 5> to any line as it's actually shared
      20  by both branches of the condition in <bb 3>.
      21  
      22  */
      23  
      24  /* { dg-options "-fprofile-arcs -ftest-coverage" } */
      25  /* { dg-do run { target native } } */
      26  
      27  unsigned int
      28  UuT (void)
      29  {
      30    unsigned int true_var = 1;
      31    unsigned int false_var = 0;
      32    unsigned int ret = 0;
      33  
      34    if (true_var) /* count(1) */
      35      {
      36        if (false_var) /* count(1) */
      37  	ret = 111; /* count(#####) */
      38      }
      39    else
      40      ret = 999; /* count(#####) */
      41    return ret;
      42  }
      43  
      44  int
      45  main (int argc, char **argv)
      46  {
      47    UuT ();
      48    return 0;
      49  }
      50  
      51  /* { dg-final { run-gcov { -a gcov-17.c } } } */