X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeirgmod.h;h=54fa679137e7ad74cad6e135449a2f11c4fa4ea9;hb=6e3e499d6c68aee0c6a9ada6a99f16c4f6f8445b;hp=ed5922b132b3bec8ecc2352d3f93494290ca9f13;hpb=1d017c585cbce1afb01e3e8f54b1af6cbcd0eabd;p=libfirm

diff --git a/ir/be/beirgmod.h b/ir/be/beirgmod.h
index ed5922b13..54fa67913 100644
--- 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"
 
 /*
@@ -96,4 +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);
 
-#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 */