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50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/* Header file for High-level loop manipulation functions.
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Copyright (C) 2013-2015 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_TREE_SSA_LOOP_MANIP_H
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#define GCC_TREE_SSA_LOOP_MANIP_H
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typedef void (*transform_callback)(struct loop *, void *);
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extern void create_iv (tree, tree, tree, struct loop *, gimple_stmt_iterator *,
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bool, tree *, tree *);
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extern void rewrite_into_loop_closed_ssa (bitmap, unsigned);
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extern void verify_loop_closed_ssa (bool);
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extern basic_block split_loop_exit_edge (edge);
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extern basic_block ip_end_pos (struct loop *);
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extern basic_block ip_normal_pos (struct loop *);
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extern void standard_iv_increment_position (struct loop *,
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gimple_stmt_iterator *, bool *);
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extern bool gimple_duplicate_loop_to_header_edge (struct loop *, edge,
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unsigned int, sbitmap,
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edge, vec<edge> *,
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int);
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extern bool can_unroll_loop_p (struct loop *loop, unsigned factor,
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struct tree_niter_desc *niter);
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extern void tree_transform_and_unroll_loop (struct loop *, unsigned,
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edge, struct tree_niter_desc *,
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transform_callback, void *);
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extern void tree_unroll_loop (struct loop *, unsigned,
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edge, struct tree_niter_desc *);
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extern tree canonicalize_loop_ivs (struct loop *, tree *, bool);
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#endif /* GCC_TREE_SSA_LOOP_MANIP_H */
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