Remove redundant operations from set_phi_arguments(): phi is always a Phi.

diff --git a/ir/ir/ircons.c b/ir/ir/ircons.c
index 273e3c1..fe976e2 100644 (file)
--- a/ir/ir/ircons.c
+++ b/ir/ir/ircons.c
@@ -232,13 +232,12 @@ static ir_node *set_phi_arguments(ir_node *phi, int pos)
 
        phi->attr.phi.u.backedge = new_backedge_arr(irg->obst, arity);
        set_irn_in(phi, arity, in);
-       set_irn_op(phi, op_Phi);
 
        irn_verify_irg(phi, irg);
 
        /* Memory Phis in endless loops must be kept alive.
           As we can't distinguish these easily we keep all of them alive. */
-       if (is_Phi(phi) && mode == mode_M)
+       if (mode == mode_M)
                add_End_keepalive(get_irg_end(irg), phi);
 
        try_remove_unnecessary_phi(phi);