Correctly caclulate the register use in the Op(x, x) case.

[libfirm] / ir / ana / irdom.c

diff --git a/ir/ana/irdom.c b/ir/ana/irdom.c
index b10ac5b..62c842f 100644 (file)
--- a/ir/ana/irdom.c
+++ b/ir/ana/irdom.c
@@ -637,13 +637,12 @@ static int init_construction(ir_graph *irg, irg_walk_func *pre) {
                        ir_node *pred = get_End_keepalive(end, i);
 
                        if (is_Block(pred)) {
-                               if (Block_not_block_visited(pred)) {
-                                       /* we found a endless loop */
-                                       dec_irg_block_visited(irg);
-                                       irg_block_walk(pred, pre, NULL, &n_blocks);
-                               }
-                               else
+                               if (Block_block_visited(pred))
                                        continue;
+
+                               /* we found an endless loop */
+                               dec_irg_block_visited(irg);
+                               irg_block_walk(pred, pre, NULL, &n_blocks);
                        }
                        in[j++] = pred;
                }