X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeirgmod.h;h=82519b8a95f9b8b51db5b6fa95eefd359db61196;hb=c4ff1c9959667db87996891435a12ae466563062;hp=ac6956820bc6d9c08071f4079ce28fc9e99fcedc;hpb=9bda12c76350f687b36599a28f12000db15d5d52;p=libfirm

diff --git a/ir/be/beirgmod.h b/ir/be/beirgmod.h
index ac6956820..82519b8a9 100644
--- a/ir/be/beirgmod.h
+++ b/ir/be/beirgmod.h
@@ -13,31 +13,33 @@
 #include "firm_types.h"
 #include "pset.h"
 
+#include "belive.h"
+
 /*
  * Forward type declaration.
  */
-typedef struct _dom_front_info_t dom_front_info_t;
+typedef struct _be_dom_front_info_t be_dom_front_info_t;
 
 /**
  * Compute the dominance frontiers for a given graph.
  * @param  irg The graphs.
  * @return A pointer to the dominance frontier information.
  */
-dom_front_info_t *be_compute_dominance_frontiers(ir_graph *irg);
+be_dom_front_info_t *be_compute_dominance_frontiers(ir_graph *irg);
 
 /**
  * Get the dominance frontier of a block.
  * @param info 	A pointer to the dominance frontier information.
  * @param block The block whose dominance frontier you want.
- * @return A set containing the all blocks in the dominance frontier of @p block.
+ * @return A list containing the all blocks in the dominance frontier of @p block.
  */
-pset *be_get_dominance_frontier(dom_front_info_t *info, ir_node *block);
+ir_node **be_get_dominance_frontier(be_dom_front_info_t *info, ir_node *block);
 
 /**
  * Free some dominance frontier information.
  * @param info Some dominance frontier information.
  */
-void be_free_dominance_frontiers(dom_front_info_t *info);
+void be_free_dominance_frontiers(be_dom_front_info_t *info);
 
 /**
  * Introduce several copies for one node.
@@ -54,47 +56,76 @@ void be_free_dominance_frontiers(dom_front_info_t *info);
  * corresponding dominance subtrees and creates Phi functions if necessary.
  *
  * @param info		  Dominance frontier information.
+ * @param lv          Liveness information to be updated. If NULL, liveness updating is simply ignored.
  * @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);
+void be_ssa_constr_phis_ignore(be_dom_front_info_t *info, be_lv_t *lv, 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);
+void be_ssa_constr_phis(be_dom_front_info_t *info, be_lv_t *lv, 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);
+void be_ssa_constr_ignore(be_dom_front_info_t *info, be_lv_t *lv, 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[]);
+void be_ssa_constr(be_dom_front_info_t *info, be_lv_t *lv, 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);
+void be_ssa_constr_set_ignore(be_dom_front_info_t *df, be_lv_t *lv, 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);
+void be_ssa_constr_set(be_dom_front_info_t *info, be_lv_t *lv, 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);
+void be_ssa_constr_set_phis_ignore(be_dom_front_info_t *info, be_lv_t *lv, 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);
+void be_ssa_constr_set_phis(be_dom_front_info_t *info, be_lv_t *lv, pset *nodes, pset *phis);
+
+/**
+ * Insert a Perm which permutes all (non-ignore) live values of a given register class
+ * after a certain instruction.
+ * @param arch_env  The architecture environment.
+ * @param lv        Liveness Information.
+ * @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,
+						   be_lv_t *lv,
+						   const arch_register_class_t *cls,
+						   be_dom_front_info_t *dom_front,
+						   ir_node *irn);
+
+struct _be_chordal_env_t;
+
+void extreme_liverange_splitting(struct _be_chordal_env_t *cenv);
+
+/**
+ * Removes basic blocks that only contain a jump instruction
+ * (this will potentially create critical edges).
+ *
+ * @param irg  the graph that will be changed
+ */
+void be_remove_empty_blocks(ir_graph *irg);
 
 #endif /* _BEIRGMOD_H */