Do not deconv reference modes.

[libfirm] / ir / opt / convopt.c

diff --git a/ir/opt/convopt.c b/ir/opt/convopt.c
index ca983f0..e9fd907 100644 (file)
--- a/ir/opt/convopt.c
+++ b/ir/opt/convopt.c
@@ -255,6 +255,9 @@ void conv_opt_walker(ir_node *node, void *data)
        mode      = get_irn_mode(node);
        pred_mode = get_irn_mode(pred);
 
+       if (mode_is_reference(mode) || mode_is_reference(pred_mode))
+               return;
+
        if (!is_Phi(pred) && !is_downconv(pred_mode, mode))
                return;