6 #ifndef _BEPHICONGR_T_H
7 #define _BEPHICONGR_T_H
13 * Setting this to 0 will treat const nodes like
14 * all other nodes when computing phi congruence classes.
15 * A non zero value results in splitting phi congruence
16 * classes at all const nodes (except they do share
17 * some non-const nodes too)
19 #define CONSTS_SPLIT_PHI_CLASSES 1
22 typedef struct _phi_info_t {
23 ir_node *phi; /* only set in args of phi nodes (which could be a phi itslef). Points to a phi node or NULL */
24 pset *phi_class; /* only set in phi nodes. A set containing the members of the phi congruence class this phi node belongs to */
29 extern size_t phi_irn_data_offset;
31 #define get_irn_phi_info(irn) get_irn_data(irn, phi_info_t, phi_irn_data_offset)
32 /* Only for phi nodes */
33 #define get_phi_class(irn) get_irn_phi_info(irn)->phi_class
34 #define get_phi_class_size(irn) (get_phi_class(irn)==NULL ? 0 : pset_count(get_phi_class(irn)))
36 void be_phi_congr_class_init(void);
39 * Determines the phi congruence classes of
40 * all phi nodes in a graph
42 void be_phi_congr_classes(ir_graph *irg);