avoid phi loops in mode_b lowerer

[libfirm] / ir / opt / opt_confirms.h

diff --git a/ir/opt/opt_confirms.h b/ir/opt/opt_confirms.h
index e353d32..2db2fdc 100644 (file)
--- a/ir/opt/opt_confirms.h
+++ b/ir/opt/opt_confirms.h
@@ -22,19 +22,15 @@
  * @brief   Optimizations regarding Confirm nodes.
  * @author  Michael Beck
  * @version $Id$
- */
-#ifndef FIRM_OPT_CONFIRMS_H
-#define FIRM_OPT_CONFIRMS_H
-
-#include "firm_types.h"
-
-/**a
- * @file opt_confirms.h
  *
  * Optimizations regarding Confirm nodes.
  * These optimizations are not means to be run from
  * frontends, they are called from iropt.
  */
+#ifndef FIRM_OPT_CONFIRMS_H
+#define FIRM_OPT_CONFIRMS_H
+
+#include "firm_types.h"
 
 /**
  * Check, if the value of a node is != 0.
@@ -51,7 +47,7 @@ int value_not_zero(ir_node *n, ir_node **confirm);
 /**
  * Check, if the value of a node cannot represent a NULL pointer.
  *
- * - If sel_based_null_check_elim is enabled, all
+ * - If option sel_based_null_check_elim is enabled, all
  *   Sel nodes can be skipped.
  * - A SymConst(entity) is NEVER a NULL pointer
  * - A Const != NULL is NEVER a NULL pointer
@@ -67,10 +63,10 @@ int value_not_null(ir_node *n, ir_node **confirm);
  * Possible return values of value_classify().
  */
 typedef enum _value_classify_sign {
-  value_classified_unknown  = 0,   /**< could not classify */
-  value_classified_positive = 1,   /**< value is positive, i.e. >= 0 */
-  value_classified_negative = -1   /**< value is negative, i.e. <= 0 if
-                                        no signed zero exists or < 0 else */
+       value_classified_unknown  = 0,   /**< could not classify */
+       value_classified_positive = 1,   /**< value is positive, i.e. >= 0 */
+       value_classified_negative = -1   /**< value is negative, i.e. <= 0 if
+                                             no signed zero exists or < 0 else */
 } value_classify_sign;
 
 /**