nsz Git - libfirm/blob - ir/opt/loop_unrolling.c

   1 /**
   2  *
   3  * @file loop_unrolling.c
   4  *
   5  * Project:     libFIRM
   6  * File name:   ir/opt/loop_unrolling.c
   7  * Purpose:     Make loop unrolling.
   8  * Author:      Beyhan Veliev
   9  * Modified by:
  10  * Created:     16.11.2004
  11  * CVS-ID:      $Id$
  12  * Copyright:   (c) 2004 Universität Karlsruhe
  13  * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
  14  */
  15
  16
  17 # include "loop_unrolling.h"
  18
  19 # include "irgwalk.h"
  20 # include "irnode_t.h"
  21 # include "irloop_t.h"
  22
  23 static void do_loop_unroll(ir_node *n, void *env){
  24 }
  25
  26
  27
  28
  29
  30
  31
  32 /* Performs loop unrolling for the passed graph. */
  33 void optimize_loop_unrolling(ir_graph *irg) {
  34
  35   if (!get_optimize() || !get_opt_loop_unrolling()) return;
  36
  37   /* -- Search expressions that can be optimized -- */
  38   irg_walk_graph(irg, NULL, do_loop_unroll, NULL);
  39
  40 }