#ifndef _BEIRGMOD_H
#define _BEIRGMOD_H
+#include "firm_types.h"
+#include "pset.h"
+
/*
* Forward type declaration.
*/
* represent the same concrete value. This is the case if you
* - copy
* - spill and reload
- * - rematerialize
+ * - re-materialize
* a value.
*
* This function reroutes all uses of the original value to the copies in the
- * corresponding dominance subtrees and creates Phi functions if neccessary.
+ * corresponding dominance subtrees and creates Phi functions if necessary.
*
- * @param info Dominance frontier information.
- * @param orig The node for which you want to introduce copies.
- * @param n The number of copies ypu introduce.
- * @param copies An array of nodes which are copies of @p orig.
+ * @param info Dominance frontier information.
+ * @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_phis_ignore(dom_front_info_t *info, int n, ir_node *nodes[], pset *phis, pset *ignore_uses);
+
+/**
+ * Same as be_ssa_constr_phis_ignore() but without the ignore set.
+ */
+void be_ssa_constr_phis(dom_front_info_t *info, int n, ir_node *nodes[], pset *phis);
+
+/**
+ * Same as be_ssa_constr_phis_ignore() but without the Phi set.
+ */
+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 with empty ignore set.
+ */
+void be_ssa_constr(dom_front_info_t *info, int n, ir_node *nodes[]);
+
+/**
+ * Same as be_ssa_constr_ignore() but with pset instead of array.
+ */
+void be_ssa_constr_set_ignore(dom_front_info_t *df, pset *nodes, pset *ignore_uses);
+
+/**
+ * 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.
*/
-void be_introduce_copies(dom_front_info_t *info, ir_node *orig,
- int n, ir_node *copies[]);
+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
+#endif /* _BEIRGMOD_H */