Subversion Repositories openrisc

/* Plugin that prints message if it inserted (and invoked) more than once. */

#include "config.h"

#include "gcc-plugin.h"

#include "system.h"

#include "coretypes.h"

#include "tm.h"

#include "toplev.h"

#include "gimple.h"

#include "tree-pass.h"

#include "intl.h"

int plugin_is_GPL_compatible;

static bool one_pass_gate (void)

{

  return true;

}

static unsigned int one_pass_exec (void)

{

  static int counter = 0;

  if (counter > 0) {

    printf ("Executed more than once \n");

 }

 counter++;

 return 0;

}

struct gimple_opt_pass one_pass =

{

  {

  GIMPLE_PASS,

  "cfg",                           /* name */

  one_pass_gate,                         /* gate */

  one_pass_exec,       /* execute */

  NULL,                                 /* sub */

  NULL,                                 /* next */

  0,                                    /* static_pass_number */

  0,                                    /* tv_id */

  PROP_gimple_any,                      /* properties_required */

  0,                                    /* properties_provided */

  0,                                    /* properties_destroyed */

  0,                                    /* todo_flags_start */

  TODO_dump_func                        /* todo_flags_finish */

  }

};

int plugin_init (struct plugin_name_args *plugin_info,

                 struct plugin_gcc_version *version)

{

  struct register_pass_info p;

  p.pass = &one_pass.pass;

  p.reference_pass_name = "cfg";

  p.ref_pass_instance_number = 1;

  p.pos_op = PASS_POS_INSERT_AFTER;

  register_callback ("one_pass", PLUGIN_PASS_MANAGER_SETUP, NULL, &p);

  return 0;

}