/* Hooks for cfg representation specific functions.
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
Contributed by Sebastian Pop <s.pop@laposte.net>
This file is part of GCC.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#ifndef GCC_CFGHOOKS_H
#define GCC_CFGHOOKS_H
edge (*redirect_edge_and_branch) (edge e, basic_block b);
/* Same as the above but allows redirecting of fallthru edges. In that case
- newly created forwarder basic block is returned. It aborts when called
- on abnormal edge. */
+ newly created forwarder basic block is returned. The edge must
+ not be abnormal. */
basic_block (*redirect_edge_and_branch_force) (edge, basic_block);
/* Remove statements corresponding to a given basic block. */
unsigned int *n_to_remove,
int flags);
- /* Add conition to new basic block and update CFG used in loop
+ /* Add condition to new basic block and update CFG used in loop
versioning. */
void (*lv_add_condition_to_bb) (basic_block, basic_block, basic_block,
- void *);
+ void *);
/* Update the PHI nodes in case of loop versioning. */
void (*lv_adjust_loop_header_phi) (basic_block, basic_block,
basic_block, edge);
-
+
/* Given a condition BB extract the true/false taken/not taken edges
(depending if we are on tree's or RTL). */
void (*extract_cond_bb_edges) (basic_block, edge *, edge *);
-
+
/* Add PHI arguments queued in PENDINT_STMT list on edge E to edge
E->dest (only in tree-ssa loop versioning. */
void (*flush_pending_stmts) (edge);
extern void predict_edge (edge e, enum br_predictor predictor, int probability);
extern bool predicted_by_p (basic_block bb, enum br_predictor predictor);
extern bool can_duplicate_block_p (basic_block);
-extern basic_block duplicate_block (basic_block, edge);
+extern basic_block duplicate_block (basic_block, edge, basic_block);
extern bool block_ends_with_call_p (basic_block bb);
extern bool block_ends_with_condjump_p (basic_block bb);
extern int flow_call_edges_add (sbitmap);