#ifndef _BEIRGMOD_H
#define _BEIRGMOD_H
+#include "firm_types.h"
#include "pset.h"
/*
* corresponding dominance subtrees and creates Phi functions if necessary.
*
* @param info Dominance frontier information.
- * @param n_origs The number of nodes for which the copies are introduced.
- * @param orig_nodes The nodes for which you want to introduce copies.
- * @param n_copies The number of copies you introduce.
- * @param copy_nodes An array of nodes which are copies of @p orig.
- * @param ignore_uses A set containing uses which shall not be rerouted.
+ * @param n Length of nodes array.
+ * @param nodes The nodes which shall represent the same SSA value.
+ * @param phis A set to which all inserted Phis are added.
+ * @param ignore_uses A set of nodes probably using one of the nodes in @p nodes.
+ * Their usage will not adjusted. They remain untouched by this function.
*/
-void be_ssa_constr_ignore(dom_front_info_t *info, int n_origs, ir_node *orig_nodes[],
- int n_copies, ir_node *copy_nodes[], pset *ignore_uses);
+void be_ssa_constr_phis_ignore(dom_front_info_t *info, int n, ir_node *nodes[], pset *phis, pset *ignore_uses);
/**
- * Same as be_ssa_constr_ignore() but with a single original node.
+ * Same as be_ssa_constr_phis_ignore() but without the ignore set.
*/
-void be_ssa_constr_single_ignore(dom_front_info_t *info, ir_node *orig, int n, ir_node *copies[], pset *ignore_uses);
+void be_ssa_constr_phis(dom_front_info_t *info, int n, ir_node *nodes[], pset *phis);
/**
- * Same as be_ssa_constr_single_ignore() but without ignoring nodes.
+ * Same as be_ssa_constr_phis_ignore() but without the Phi set.
*/
-void be_ssa_constr_single(dom_front_info_t *info, ir_node *orig, int n, ir_node *copy_nodes[]);
+void be_ssa_constr_ignore(dom_front_info_t *info, int n, ir_node *nodes[], pset *ignore_uses);
/**
- * Same as be_ssa_constr_ignore() but without ignoring nodes.
+ * Same as be_ssa_constr_ignore() but with empty ignore set.
*/
-void be_ssa_constr(dom_front_info_t *info, int n_orig, ir_node *orig[], int n, ir_node *copy_nodes[]);
+void be_ssa_constr(dom_front_info_t *info, int n, ir_node *nodes[]);
/**
- * Same as be_ssa_constr() but with psets.
+ * Same as be_ssa_constr_ignore() but with pset instead of array.
*/
-void be_ssa_constr_sets(dom_front_info_t *info, pset *origs, pset *copies);
+void be_ssa_constr_set_ignore(dom_front_info_t *df, pset *nodes, pset *ignore_uses);
-#endif
+/**
+ * Same as be_ssa_constr() but with pset instead of array.
+ */
+void be_ssa_constr_set(dom_front_info_t *info, pset *nodes);
+
+/**
+ * Same as be_ssa_constr_phis_ignore() but with set instead of array.
+ */
+void be_ssa_constr_set_phis_ignore(dom_front_info_t *info, pset *nodes, pset *phis, pset *ignore);
+
+/**
+ * Same as be_ssa_constr_phis_ignore() but without ignore set.
+ */
+void be_ssa_constr_set_phis(dom_front_info_t *info, pset *nodes, pset *phis);
+
+/**
+ * Insert a Perm which permutates all (non-ignore) live values of a given register class
+ * after a certain instruction.
+ * @param arch_env The architecture environment.
+ * @param cls The register class.
+ * @param dom_front Dominance frontier information.
+ * @param irn The node to insert the Perm after.
+ * @return The Perm or NULL if nothing was live before @p irn.
+ */
+ir_node *insert_Perm_after(const arch_env_t *arch_env,
+ const arch_register_class_t *cls,
+ dom_front_info_t *dom_front,
+ ir_node *irn);
+
+#endif /* _BEIRGMOD_H */