add CopyB support to get_op_fragile_mem()

used new pn_Generic_M_regular constant

[r16310]

diff --git a/ir/ir/irnode.c b/ir/ir/irnode.c
index 7f90a40..ea44848 100644 (file)
--- a/ir/ir/irnode.c
+++ b/ir/ir/irnode.c
@@ -2877,7 +2877,8 @@ ir_node *get_fragile_op_mem(ir_node *node) {
        case iro_Store :
        case iro_Alloc :
        case iro_Bound :
-               return get_irn_n(node, 0);
+       case iro_CopyB :
+               return get_irn_n(node, pn_Generic_M_regular);
        case iro_Bad   :
        case iro_Unknown:
                return node;