values may die at every use

[libfirm] / ir / be / bespill.h

diff --git a/ir/be/bespill.h b/ir/be/bespill.h
index 92e6a9a..cc7bf9d 100644 (file)
--- a/ir/be/bespill.h
+++ b/ir/be/bespill.h
@@ -19,16 +19,20 @@
 #include "bearch.h"
 
 typedef struct _spill_env_t spill_env_t;
-typedef int(*decide_irn_t)(const ir_node*, void*);
 
 /**
  * Creates a new spill environment.
  *
  * @param chordal
- * @param is_mem_phi  a function that evaluates a Phi node
- * @param data        context parameter for the is_mem_phi function
  */
-spill_env_t *be_new_spill_env(const be_chordal_env_t *chordal, decide_irn_t is_mem_phi, void *data);
+spill_env_t *be_new_spill_env(const be_chordal_env_t *chordal);
+
+/**
+ * Marks a phi-node for spilling. So when reloading from this phi-node, not
+ * only its value but the whole phi will be spilled.
+ * This might place be_Copy nodes in predecessor blocks.
+ */
+void be_spill_phi(spill_env_t *env, ir_node *node);
 
 /**
  * Deletes a spill environment.
@@ -39,7 +43,7 @@ void be_add_reload(spill_env_t *senv, ir_node *to_spill, ir_node *before);
 
 void be_add_reload_on_edge(spill_env_t *senv, ir_node *to_spill, ir_node *bl, int pos);
 
-void be_insert_spills_reloads(spill_env_t *senv, pset *reload_set);
+void be_insert_spills_reloads(spill_env_t *senv);
 
 /**
  * Computes the spill offsets for all spill nodes in the irg