amd64: Added Load and FrameAddr transformation. And fixed some corruption bugs w...

[libfirm] / ir / be / becopyopt.c

diff --git a/ir/be/becopyopt.c b/ir/be/becopyopt.c
index 57cd046..b7afd30 100644 (file)
--- a/ir/be/becopyopt.c
+++ b/ir/be/becopyopt.c
@@ -391,10 +391,13 @@ static int ou_max_ind_set_costs(unit_t *ou)
 
 static void co_collect_units(ir_node *irn, void *env)
 {
-       const arch_register_req_t *req = arch_get_register_req_out(irn);
+       const arch_register_req_t *req;
        copy_opt_t                *co  = env;
        unit_t *unit;
 
+       if (get_irn_mode(irn) == mode_T)
+               return;
+       req = arch_get_register_req_out(irn);
        if (req->cls != co->cls)
                return;
        if (!co_is_optimizable_root(irn))
@@ -796,11 +799,14 @@ static inline void add_edges(copy_opt_t *co, ir_node *n1, ir_node *n2, int costs
 
 static void build_graph_walker(ir_node *irn, void *env)
 {
-       const arch_register_req_t *req = arch_get_register_req_out(irn);
+       const arch_register_req_t *req;
        copy_opt_t                *co  = env;
        int pos, max;
        const arch_register_t *reg;
 
+       if (get_irn_mode(irn) == mode_T)
+               return;
+       req = arch_get_register_req_out(irn);
        if (req->cls != co->cls || arch_irn_is_ignore(irn))
                return;