irgraph: Use get_irg_obstack() instead of accessing irg->obst directly.

[libfirm] / ir / opt / cfopt.c

diff --git a/ir/opt/cfopt.c b/ir/opt/cfopt.c
index 477c32d..7ca15da 100644 (file)
--- a/ir/opt/cfopt.c
+++ b/ir/opt/cfopt.c
@@ -834,8 +834,6 @@ void optimize_cf(ir_graph *irg)
        env.changed    = false;
        env.phis_moved = false;
 
-       assert(get_irg_phase_state(irg) != phase_building);
-
        /* if the graph is not pinned, we cannot determine empty blocks */
        assert(get_irg_pinned(irg) != op_pin_state_floats &&
               "Control flow optimization need a pinned graph");