C++ (Cpp) gimple_could_trap_p Exemples

Exemple #1

Fichier : tree-ssa-ifcombine.c Projet : WojciechMigda/gcc

static bool
bb_no_side_effects_p (basic_block bb)
{
  gimple_stmt_iterator gsi;

  for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
    {
      gimple *stmt = gsi_stmt (gsi);

      if (is_gimple_debug (stmt))
	continue;

      if (gimple_has_side_effects (stmt)
	  || gimple_uses_undefined_value_p (stmt)
	  || gimple_could_trap_p (stmt)
	  || gimple_vuse (stmt)
	  /* const calls don't match any of the above, yet they could
	     still have some side-effects - they could contain
	     gimple_could_trap_p statements, like floating point
	     exceptions or integer division by zero.  See PR70586.
	     FIXME: perhaps gimple_has_side_effects or gimple_could_trap_p
	     should handle this.  */
	  || is_gimple_call (stmt))
	return false;
    }

  return true;
}

Exemple #2

Fichier : tree-ssa-ifcombine.c Projet : Gurgel100/gcc

static bool
bb_no_side_effects_p (basic_block bb)
{
  gimple_stmt_iterator gsi;

  for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
    {
      gimple stmt = gsi_stmt (gsi);

      if (is_gimple_debug (stmt))
	continue;

      if (gimple_has_side_effects (stmt)
	  || gimple_could_trap_p (stmt)
	  || gimple_vuse (stmt))
	return false;
    }

  return true;
}