cleanup space generation logic and make it more robust for union constructs

[libfirm] / ir / opt / cfopt.c

diff --git a/ir/opt/cfopt.c b/ir/opt/cfopt.c
index 444db15..be03bfa 100644 (file)
--- a/ir/opt/cfopt.c
+++ b/ir/opt/cfopt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -777,7 +777,7 @@ void optimize_cf(ir_graph *irg) {
 
        /* in rare cases a node may be kept alive more than once, use the visited flag to detect this */
        inc_irg_visited(irg);
-       set_using_visited(irg);
+       set_using_irn_visited(irg);
 
        /* fix the keep alive */
        for (i = j = 0; i < n; i++) {
@@ -810,7 +810,7 @@ void optimize_cf(ir_graph *irg) {
                env.changed = 1;
        }
 
-       clear_using_visited(irg);
+       clear_using_irn_visited(irg);
 
        if (env.phis_moved) {
                /* Bad: when we moved Phi's, we might produce dead Phi nodes