2 * Copyright (C) 1995-2008 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
22 * @brief Spillslot coalescer.
23 * @author Matthias Braun
27 #ifndef FIRM_BE_BESPILLSLOTS_H
28 #define FIRM_BE_BESPILLSLOTS_H
33 typedef struct be_fec_env_t be_fec_env_t;
36 * Initializes a new frame entity coalescer environment
38 be_fec_env_t *be_new_frame_entity_coalescer(ir_graph *irg);
41 * Frees a frame entity coalescer environment
43 void be_free_frame_entity_coalescer(be_fec_env_t *env);
46 * Adds a node that needs a frame entity and consumes memory (Reload nodes). The
47 * memory edges are followed to find memory-phis and the entities that produce
50 * @param env The frame entity coalescer environment
51 * @param node The node that uses the frame entity
52 * @param mode The mode of the needed spillslot
53 * @param align The alignment of the needed spillslot
55 void be_node_needs_frame_entity(be_fec_env_t *env, ir_node *node,
56 const ir_mode *mode, int alignment);
58 typedef void (*set_frame_entity_func)(ir_node *node, ir_entity *entity);
61 * Assigned frame entities to all the nodes added by be_node_needs_frame_entity.
62 * Adds memory perms where needed.
64 void be_assign_entities(be_fec_env_t *env, set_frame_entity_func set_frame,
65 bool alloc_entities_at_begin);