X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fcommon%2Firtools.h;h=d5735b671b419651452a6232cf3a8b919abb0e53;hb=8aca33381b3dea1ef0bb6c120f59989075c438d1;hp=9c361b860fc9245ea68d8cc11d12cb7059166b7e;hpb=fad0a86ab076b11b239ad494e4525881757c4282;p=libfirm

diff --git a/ir/common/irtools.h b/ir/common/irtools.h
index 9c361b860..d5735b671 100644
--- a/ir/common/irtools.h
+++ b/ir/common/irtools.h
@@ -1,65 +1,24 @@
 /*
- * Copyright (C) 1995-2011 University of Karlsruhe.  All right reserved.
- *
  * This file is part of libFirm.
- *
- * This file may be distributed and/or modified under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation and appearing in the file LICENSE.GPL included in the
- * packaging of this file.
- *
- * Licensees holding valid libFirm Professional Edition licenses may use
- * this file in accordance with the libFirm Commercial License.
- * Agreement provided with the Software.
- *
- * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
- * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE.
+ * Copyright (C) 2012 University of Karlsruhe.
  */
 
 /**
  * @file
  * @brief     Some often needed tool-functions
  * @author    Michael Beck
- * @version   $Id$
  */
 #ifndef FIRM_COMMON_IRTOOLS_H
 #define FIRM_COMMON_IRTOOLS_H
 
 #include "firm_types.h"
-
 #include "lc_opts.h"
-lc_opt_entry_t *firm_opt_get_root(void);
-
 #include "pset.h"
 
-#undef MIN
-#undef MAX
-#define MAX(x, y) ((x) > (y) ? (x) : (y))
-#define MIN(x, y) ((x) < (y) ? (x) : (y))
-
-/* calculate the address of the one past last element of an array whose size is
- * known statically */
-#define ENDOF(x) ((x) + sizeof(x) / sizeof(*(x)))
-
-/**
- * Three valued compare as demanded by e.g. qsort(3)
- * @param c A number.
- * @param d Another number.
- * @return 0 if c == d, -1 if c < d, 1 if c > d.
- */
-#define QSORT_CMP(c, d) (((c) > (d)) - ((c) < (d)))
-
-
-/**
- * convert an integer into pointer
- */
-#define INT_TO_PTR(v)   ((void *)((char *)0 + (v)))
-
 /**
- * convert a pointer into an integer
+ * Return root commandlineoptions for libfirm library
  */
-#define PTR_TO_INT(v)   (((char *)(v) - (char *)0))
+lc_opt_entry_t *firm_opt_get_root(void);
 
 /**
  * Dump a pset containing Firm objects.
@@ -77,13 +36,26 @@ void firm_clear_link(ir_node *n, void *env);
  * The famous clear_link_and_block_lists() walker-function.
  * Sets all links fields of visited nodes to NULL.
  * Additionally, clear all Phi-lists of visited blocks.
- * Do not implement it by yourself, use this one
+ * Do not implement it by yourself, use this one.
  */
 void firm_clear_node_and_phi_links(ir_node *n, void *env);
 
+/**
+ * Walker function, sets all phi list heads fields of visited Blocks
+ * to NULL.
+ * Use in conjunction with firm_collect_block_phis().
+ */
+void firm_clear_block_phis(ir_node *node, void *env);
+
+/**
+ * Walker function, links all visited Phi nodes into its block links.
+ * Use in conjunction with firm_clear_block_phis().
+ */
+void firm_collect_block_phis(ir_node *node, void *env);
+
 /**
  * Creates an exact copy of a node with same inputs and attributes in the
- * same block.
+ * same block. The copied node will not be optimized (so no CSE is performed).
  *
  * @param node   the node to copy
  */