Added phi handler

[libfirm] / ir / be / benode_t.h

diff --git a/ir/be/benode_t.h b/ir/be/benode_t.h
index b0f55c2..962622d 100644 (file)
--- a/ir/be/benode_t.h
+++ b/ir/be/benode_t.h
@@ -87,8 +87,6 @@ typedef enum {
 
 void be_node_init(void);
 
-const arch_irn_handler_t be_node_irn_handler;
-
 enum {
        be_pos_Spill_frame = 0,
        be_pos_Spill_val   = 1
@@ -162,9 +160,10 @@ entity *be_Call_get_entity(const ir_node *call);
 void    be_Call_set_entity(ir_node *call, entity *ent);
 
 enum {
-       be_pos_Call_mem = 0,
-       be_pos_Call_sp  = 1,
-       be_pos_Call_ptr = 2
+       be_pos_Call_mem       = 0,
+       be_pos_Call_sp        = 1,
+       be_pos_Call_ptr       = 2,
+       be_pos_Call_first_arg = 3
 };
 
 ir_node *be_new_Call(ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *sp, ir_node *ptr, int n_outs, int n, ir_node *in[]);
@@ -204,8 +203,7 @@ int be_is_StackParam(const ir_node *irn);
 int be_is_FrameAddr(const ir_node *irn);
 int be_is_FrameLoad(const ir_node *irn);
 int be_is_FrameStore(const ir_node *irn);
-int be_is_Epilogue(const ir_node *irn);
-int be_is_Prologue(const ir_node *irn);
+int be_is_Barrier(const ir_node *irn);
 
 /**
  * Get the entity on the stack frame the given node uses.
@@ -262,15 +260,27 @@ void be_node_set_flags(ir_node *irn, int pos, arch_irn_flags_t flags);
 void be_node_set_reg_class(ir_node *irn, int pos, const arch_register_class_t *cls);
 
 /**
- * Insert a Perm node after a specific node in the schedule.
- * The Perm permutes over all values live at the given node.
- * This means that all liveness intervals are cut apart at this
- * location in the program.
+ * Make a new phi handler.
+ * @param env The architecture environment.
+ * @return A new phi handler.
  */
-ir_node *insert_Perm_after(const arch_env_t *env,
-                                                  const arch_register_class_t *cls,
-                                                  dom_front_info_t *dom_front,
-                                                  ir_node *pos);
+arch_irn_handler_t *be_phi_handler_new(const arch_env_t *arch_env);
 
+/**
+ * Free a phi handler.
+ * @param handler The handler to free.
+ */
+void be_phi_handler_free(arch_irn_handler_t *handler);
+
+/**
+ * Reset the register data in the phi handler.
+ * This should be called on each new graph and deletes the register information of the current graph.
+ */
+void be_phi_handler_reset(arch_irn_handler_t *handler);
+
+/**
+ * irn handler for common be nodes.
+ */
+extern const arch_irn_handler_t be_node_irn_handler;
 
 #endif /* _BENODE_T_H */