X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeirgmod.h;h=54fa679137e7ad74cad6e135449a2f11c4fa4ea9;hb=72ae1ac93c6cc7988db8cfa919ae147e10f98e82;hp=ac6956820bc6d9c08071f4079ce28fc9e99fcedc;hpb=9bda12c76350f687b36599a28f12000db15d5d52;p=libfirm

diff --git a/ir/be/beirgmod.h b/ir/be/beirgmod.h
index ac6956820..54fa67913 100644
--- a/ir/be/beirgmod.h
+++ b/ir/be/beirgmod.h
@@ -97,4 +97,18 @@ void be_ssa_constr_set_phis_ignore(dom_front_info_t *info, pset *nodes, pset *ph
  */
 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 */