clarify some node comments

[libfirm] / ir / opt / return.c

diff --git a/ir/opt/return.c b/ir/opt/return.c
index 7c83536..ce012ee 100644 (file)
--- a/ir/opt/return.c
+++ b/ir/opt/return.c
@@ -21,7 +21,6 @@
  * @file
  * @brief   Normalize returns.
  * @author  Michael Beck
- * @version $Id$
  */
 #include "config.h"
 
@@ -188,7 +187,7 @@ static bool can_move_ret(ir_node *ret)
        /* check, that predecessors are Jmps */
        n = get_Block_n_cfgpreds(retbl);
        /* we cannot move above a labeled block, as this might kill the block */
-       if (n <= 1 || has_Block_entity(retbl))
+       if (n <= 1 || get_Block_entity(retbl) != NULL)
                return false;
        for (i = 0; i < n; ++i) {
                ir_node *pred = get_Block_cfgpred(retbl, i);