+#include "beirg.h"
+
+typedef struct _be_fec_env_t be_fec_env_t;
+
+/**
+ * Initializes a new frame entity coalescer environment
+ */
+be_fec_env_t *be_new_frame_entity_coalescer(be_irg_t *birg);
+
+/**
+ * Frees a frame entity coalescer environment
+ */
+void be_free_frame_entity_coalescer(be_fec_env_t *env);
+
+/**
+ * Adds a node that needs a frame entity and consumes memory (Reload nodes). The
+ * memory edges are followed to find memory-phis and the entities that produce
+ * the memory values.
+ *
+ * @param env The frame entity coalescer environment
+ * @param node The node that uses the frame entity
+ * @param mode The mode of the needed spillslot
+ * @param align The alignment of the needed spillslot
+ */
+void be_node_needs_frame_entity(be_fec_env_t *env, ir_node *node,
+ const ir_mode *mode, int alignment);
+
+/**
+ * Assigned frame entities to all the nodes added by be_node_needs_frame_entity.
+ * Adds memory perms where needed.
+ */
+void be_assign_entities(be_fec_env_t *env);
+
+//-------------------------------------------------------------------
+// Old API
+//-------------------------------------------------------------------