implemented a function to retrieve estimated costs of an op

[libfirm] / ir / be / benode_t.h

diff --git a/ir/be/benode_t.h b/ir/be/benode_t.h
index fd7f4e3..b101b4c 100644 (file)
--- a/ir/be/benode_t.h
+++ b/ir/be/benode_t.h
@@ -85,6 +85,11 @@ typedef enum {
  */
 #define BE_STACK_FRAME_SIZE ((unsigned) -1)
 
+/**
+ * Determines if irn is a be_node.
+ */
+int is_be_node(const ir_node *irn);
+
 /**
  * Create all BE specific opcodes.
  */
@@ -129,6 +134,8 @@ enum {
 ir_node *be_new_Copy(const arch_register_class_t *cls, ir_graph *irg, ir_node *block, ir_node *in);
 /** Returns the Copy Argument. */
 ir_node *be_get_Copy_op(const ir_node *cpy);
+/** Sets the Copy Argument. */
+void be_set_Copy_op(ir_node *cpy, ir_node *op);
 
 /**
  * Make a new Perm node.
@@ -333,6 +340,10 @@ entity *be_get_spill_entity(const ir_node *irn);
 
 ir_node *be_get_Spill_context(const ir_node *irn);
 
+
+ir_node* be_get_Reload_mem(const ir_node *irn);
+ir_node* be_get_Reload_frame(const ir_node* irn);
+
 /**
  * Set the entities of a Reload to the ones of the Spill it is pointing to.
  * @param irg The graph.