fix abs creation after recent reassoc changes

[libfirm] / ir / be / bespill.h

diff --git a/ir/be/bespill.h b/ir/be/bespill.h
index 18f56d0..0273f31 100644 (file)
--- a/ir/be/bespill.h
+++ b/ir/be/bespill.h
@@ -69,7 +69,7 @@ void be_add_reload(spill_env_t *senv, ir_node *to_spill, ir_node *before,
  * Add a reload at the end of a block.
  * Similar to be_add_reload_on_edge().
  */
-void be_add_reload_at_end(spill_env_t *env, ir_node *to_spill, ir_node *block,
+void be_add_reload_at_end(spill_env_t *env, ir_node *to_spill, const ir_node *block,
                           const arch_register_class_t *reload_cls,
                           int allow_remat);
 
@@ -127,4 +127,25 @@ double be_get_reload_costs(spill_env_t *env, ir_node *to_spill,
 double be_get_reload_costs_on_edge(spill_env_t *env, ir_node *to_spill,
                                    ir_node *block, int pos);
 
+typedef struct {
+       unsigned n_spills;
+       unsigned n_reloads;
+       double spill_costs;
+       double reload_costs;
+} be_total_spill_costs_t;
+
+/**
+ * Collect spill/reload cost statistics for a graph.
+ * @param birg   The backend graph.
+ * @param costs  A struct which will be filled with the costs.
+ */
+void be_get_total_spill_costs(be_irg_t *birg, be_total_spill_costs_t *costs);
+
+/**
+ * Check, if a node is rematerializable.
+ * @param env  The spill env.
+
+ */
+int be_is_rematerializable(spill_env_t *env, const ir_node *to_remat, const ir_node *before);
+
 #endif