Use module mechanism to register copy minimization algorithms.

[libfirm] / ir / be / becopyopt.h

diff --git a/ir/be/becopyopt.h b/ir/be/becopyopt.h
index 08f82b9..ba94d50 100644 (file)
--- a/ir/be/becopyopt.h
+++ b/ir/be/becopyopt.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -18,23 +18,25 @@
  */
 
 /**
- * Author:      Daniel Grund
- * Date:               11.04.2005
- * Copyright:   (c) Universitaet Karlsruhe
- * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
+ * @file
+ * @brief       Copy minimization driver.
+ * @author      Daniel Grund
+ * @date        11.04.2005
+ * @version     $Id$
  *
  * Main file for the optimization reducing the copies needed for:
  * - Phi coalescing
  * - Register-constrained nodes
  * - Two-address code instructions
  */
-#ifndef _BECOPYOPT_H
-#define _BECOPYOPT_H
+#ifndef FIRM_BE_BECOPYOPT_H
+#define FIRM_BE_BECOPYOPT_H
 
 #include <stdio.h>
 
 #include "firm_types.h"
 #include "bechordal.h"
+#include "beutil.h"
 
 /**
  * Flags for dumping the IFG.
@@ -53,18 +55,35 @@ enum {
        CO_ALGO_NONE,
        CO_ALGO_HEUR,
        CO_ALGO_HEUR2,
-       CO_ALGO_HEUR3,
        CO_ALGO_HEUR4,
        CO_ALGO_ILP,
+#ifdef FIRM_KAPS
+       CO_ALGO_PBQP,
+#endif
        CO_ALGO_LAST
 };
 
-/** The driver for copy minimization. */
-void co_driver(be_chordal_env_t *cenv);
-
 typedef struct _copy_opt_t copy_opt_t;
 
-typedef int(*cost_fct_t)(const copy_opt_t *, ir_node*, ir_node*, int);
+typedef int(*cost_fct_t)(const copy_opt_t *, ir_node *, ir_node *, int);
+
+typedef struct {
+       int (*copyopt)(copy_opt_t *co); /**< function ptr to run copyopt */
+       int        can_improve_existing;
+} co_algo_info;
+
+
+/**
+ * Register a new copy optimazation algorithm.
+ *
+ * @param name     the name of the copy optimazation algorithm,
+ *                 used to select it
+ * @param spiller  a copy optimazation entry
+ */
+void be_register_copyopt(const char *name, co_algo_info *copyopt);
+
+/** The driver for copy minimization. */
+void co_driver(be_chordal_env_t *cenv);
 
 /** A coalescing algorithm. */
 typedef int (co_algo_t)(copy_opt_t *);
@@ -79,18 +98,6 @@ copy_opt_t *new_copy_opt(be_chordal_env_t *chordal_env, cost_fct_t get_costs);
  */
 void free_copy_opt(copy_opt_t *co);
 
-/**
- * Checks if a node is optimizable, viz. has something to do with coalescing
- * @param arch The architecture environment
- * @param irn  The irn to check
- */
-int co_is_optimizable_root(const copy_opt_t *co, ir_node *irn);
-
-/**
- * Checks if the irn is a non-interfering argument of a node which 'is_optimizable'
- */
-int co_is_optimizable_arg(const copy_opt_t *co, ir_node *irn);
-
 /**
  * Computes the costs of a copy according to loop depth
  * @param co   The copy opt object.
@@ -165,18 +172,6 @@ void co_solve_park_moon(copy_opt_t *co);
  */
 int co_solve_heuristic_new(copy_opt_t *co);
 
-/**
- * Solves the copy minimization problem using another heuristic approach implemented in Java.
- * This function needs a JVM which is started to call the Java module.
- * Uses the GRAPH data structure.
- */
-int co_solve_heuristic_java(copy_opt_t *co);
-
-/**
- * This is the pure C implementation of co_solve_heuristic_java().
- */
-int co_solve_heuristic_mst(copy_opt_t *co);
-
 /**
  * Returns the maximal costs possible, i.e. the costs if all
  * pairs would be assigned different registers.
@@ -262,4 +257,4 @@ int co_solve_ilp2(copy_opt_t *co);
  */
 int co_gs_is_optimizable(copy_opt_t *co, ir_node *irn);
 
-#endif /* _BECOPYOPT_H */
+#endif /* FIRM_BE_BECOPYOPT_H */