fixed the fix of the fix (that was fix)

[libfirm] / ir / opt / convopt.c

diff --git a/ir/opt/convopt.c b/ir/opt/convopt.c
index 433c6a5..9a3983f 100644 (file)
--- a/ir/opt/convopt.c
+++ b/ir/opt/convopt.c
@@ -165,7 +165,8 @@ int is_downconv(ir_mode *src_mode, ir_mode *dest_mode)
                get_mode_size_bits(dest_mode) < get_mode_size_bits(src_mode);
 }
 
-/* TODO, backends can't handle and it's probably not more efficient on most
+/* TODO, backends (at least ia23) can't handle it at the moment,
+   and it's probably not more efficient on most
    archs */
 #if 0
 static
@@ -224,9 +225,16 @@ void conv_opt(ir_graph *irg)
        DB((dbg, LEVEL_1, "===> Performing conversion optimization on %+F\n", irg));
 
        edges_assure(irg);
+       char invalidate = 0;
        do {
                changed = 0;
                irg_walk_graph(irg, NULL, conv_opt_walker, NULL);
                local_optimize_graph(irg);
+               if(changed)
+                       invalidate = 1;
        } while (changed);
+
+       if(invalidate) {
+               set_irg_outs_inconsistent(irg);
+       }
 }