2 * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * Author: Matthias Braun
23 * Copyright: (c) Universitaet Karlsruhe
24 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
26 #ifndef BESPILLSLOTS_H_
27 #define BESPILLSLOTS_H_
31 typedef struct _be_fec_env_t be_fec_env_t;
34 * Initializes a new frame entity coalescer environment
36 be_fec_env_t *be_new_frame_entity_coalescer(be_irg_t *birg);
39 * Frees a frame entity coalescer environment
41 void be_free_frame_entity_coalescer(be_fec_env_t *env);
44 * Adds a node that needs a frame entity and consumes memory (Reload nodes). The
45 * memory edges are followed to find memory-phis and the entities that produce
48 * @param env The frame entity coalescer environment
49 * @param node The node that uses the frame entity
50 * @param mode The mode of the needed spillslot
51 * @param align The alignment of the needed spillslot
53 void be_node_needs_frame_entity(be_fec_env_t *env, ir_node *node,
54 const ir_mode *mode, int alignment);
57 * Assigned frame entities to all the nodes added by be_node_needs_frame_entity.
58 * Adds memory perms where needed.
60 void be_assign_entities(be_fec_env_t *env);
62 //-------------------------------------------------------------------
64 //-------------------------------------------------------------------
67 * Assigns frame entities to all spill nodes in the irg.
68 * Coalesces spillslots and minimizes the number of memcopies induced by
71 void be_coalesce_spillslots(be_irg_t *birg);
73 #endif /* BESPILLSLOTS_H_ */