Fixed and simplified rot matcher

[libfirm] / ir / be / beirgmod.c

diff --git a/ir/be/beirgmod.c b/ir/be/beirgmod.c
index 67a10a7..12d5ac7 100644 (file)
--- a/ir/be/beirgmod.c
+++ b/ir/be/beirgmod.c
@@ -208,6 +208,10 @@ static void remove_empty_block(ir_node *block)
                        set_nodes_block(node, succ_block);
                        continue;
                }
+               if (is_Sync(node)) {
+                       set_nodes_block(node, get_nodes_block(pred));
+                       continue;
+               }
                panic("Unexpected node %+F in block %+F with empty schedule", node, block);
        }
 
@@ -253,6 +257,7 @@ int be_remove_empty_blocks(ir_graph *irg)
                set_irg_doms_inconsistent(irg);
                set_irg_extblk_inconsistent(irg);
                set_irg_outs_inconsistent(irg);
+               set_irg_loopinfo_inconsistent(irg);
        }
        return blocks_removed;
 }