X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fopt%2Ftailrec.h;h=0c553c9c56051d9d1200f08d2af0dee0367e3c47;hb=f1a1a6092d9e4ebd9e22dd1c57d76ef8aeda74fc;hp=880d554a31206b2d35a18ecf792d7a6b60bd8845;hpb=f749cd4f6a4acea1670fa6d59b1dcb2c137586d9;p=libfirm

diff --git a/ir/opt/tailrec.h b/ir/opt/tailrec.h
index 880d554a3..0c553c9c5 100644
--- a/ir/opt/tailrec.h
+++ b/ir/opt/tailrec.h
@@ -26,9 +26,13 @@
  * Optimizes simple tail-recursion calls by
  * converting them into loops. Depends on the flag opt_tail_recursion.
  *
+ * Does not work for Calls that use the exception stuff.
+ *
  * @param irg   the graph to be optimized
+ *
+ * @return non-zero if the optimization could be applied, 0 else
  */
-void opt_tail_rec_irg(ir_graph *irg);
+int opt_tail_rec_irg(ir_graph *irg);
 
 /*
  * Optimize tail-recursion calls for all IR-Graphs.