implemented a function to retrieve estimated costs of an op

[libfirm] / ir / be / beirgmod.h

diff --git a/ir/be/beirgmod.h b/ir/be/beirgmod.h
index ed5922b..10a66fd 100644 (file)
--- a/ir/be/beirgmod.h
+++ b/ir/be/beirgmod.h
@@ -10,6 +10,7 @@
 #ifndef _BEIRGMOD_H
 #define _BEIRGMOD_H
 
+#include "firm_types.h"
 #include "pset.h"
 
 /*
@@ -58,8 +59,10 @@ void be_free_dominance_frontiers(dom_front_info_t *info);
  * @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.
+ * @param uses        A set of nodes that are only considered for adjusting. Set to NULL
+                      to consider all uses except @p ignore_uses.
  */
-void be_ssa_constr_phis_ignore(dom_front_info_t *info, int n, ir_node *nodes[], pset *phis, pset *ignore_uses);
+void be_ssa_constr_phis_ignore(dom_front_info_t *info, int n, ir_node *nodes[], pset *phis, pset *ignore_uses, pset *uses);
 
 /**
  * Same as be_ssa_constr_phis_ignore() but without the ignore set.
@@ -86,14 +89,33 @@ void be_ssa_constr_set_ignore(dom_front_info_t *df, pset *nodes, pset *ignore_us
  */
 void be_ssa_constr_set(dom_front_info_t *info, pset *nodes);
 
+/**
+ * Same as be_ssa_constr_set() but with uses.
+ */
+void be_ssa_constr_set_uses(dom_front_info_t *info, pset *nodes, pset *uses);
+
 /**
  * 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);
+void be_ssa_constr_set_phis_ignore(dom_front_info_t *info, pset *nodes, pset *phis, pset *ignore, pset *uses);
 
 /**
  * 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);
 
-#endif
+/**
+ * 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 */