beirgmod: Update documentation of insert_Perm_before().

This was missed when changing insert_Perm_after() to insert_Perm_before().

diff --git a/ir/be/beirgmod.h b/ir/be/beirgmod.h
index ee8fc43..861720a 100644 (file)
--- a/ir/be/beirgmod.h
+++ b/ir/be/beirgmod.h
@@ -36,10 +36,10 @@
 
 /**
  * Insert a Perm which permutes all (non-ignore) live values of a given register class
- * after a certain instruction.
+ * before a certain instruction.
  * @param lv        Liveness Information.
  * @param irn       The node to insert the Perm before.
- * @return          The Perm or NULL if nothing was live after @p irn.
+ * @return          The Perm or NULL if nothing was live before @p irn.
  */
 ir_node *insert_Perm_before(ir_graph *irg, const arch_register_class_t *cls,
                                                   ir_node *irn);