#ifndef _BEPHICONGR_T_H
#define _BEPHICONGR_T_H
-#include "irnode.h"
#include "pset.h"
-
+#include "irnode.h"
typedef struct _phi_info_t {
- ir_node *phi; /* only set in args of phi nodes (which could be a phi itslef). Points to a phi node or NULL */
- pset *phi_class; /* only set in phi nodes. A set containing the members of the phi congruence class this phi node belongs to */
+ ir_node *phi; /**< For all nodes of a phi class points to a phi node
+ representing the phi class and holding the ptr to
+ the pset phi_class or NULL */
+ pset *phi_class; /**< Only set in phi nodes. A set containing the members
+ of the phi congruence class this phi node represents */
} phi_info_t;
extern size_t phi_irn_data_offset;
-extern pset *all_phi_classes;
-
/**
* Setting this to 0 will treat const nodes like
* all other nodes when computing phi congruence classes.
* A non zero value results in splitting phi congruence
* classes at all const nodes (except they do share
* some non-const nodes too)
- *
- * A non zero value can only be set if copies of const
- * nodes are placed correctly.
*/
-#define CONSTS_SPLIT_PHI_CLASSES 1
+#define CONSTS_SPLIT_PHI_CLASSES 0
#define get_irn_phi_info(irn) get_irn_data(irn, phi_info_t, phi_irn_data_offset)
#define get_phi_class(irn) get_irn_phi_info(irn)->phi_class /* Only for phi nodes */
void be_phi_congr_class_init(void);
-void be_phi_congr_classes(pset *phis);
+pset *be_phi_congr_classes(pset *all_phi_nodes);
#endif