+
+ /* for liveness analysis */
+ struct ppir_liveness *live_in;
+ struct ppir_liveness *live_out;
+ /* live_internal is to mark registers only live within an
+ * instruction, without propagation */
+ struct ppir_liveness *live_internal;
+ struct set *live_in_set;
+ struct set *live_out_set;
+ struct set *live_internal_set;