tree-flow.h: Move some protoypes.

	* tree-flow.h: Move some protoypes.  Include new tree-ssa-loop.h.
	(struct affine_iv, struct tree_niter_desc): Move to tree-ssa-loop.h.
	(enum move_pos): Move to tree-ssa-loop-im.h
	* cfgloop.h: Move some prototypes.
	(gcov_type_to_double_int): relocate from tree-ssa-loop.niter.c.
	* tree-flow-inline.h (loop_containing_stmt): Move to tree-ssa-loop.h.
	* tree-ssa-loop.h: New File.  Include other tree-ssa-loop-*.h files.
	(struct affine_iv, struct tree_niter_desc): Relocate from tree-flow.h.
	(loop_containing_stmt): Relocate from tree-flow-inline.h.
	* tree-ssa-loop-ch.c: (do_while_loop_p): Make static.
	* tree-ssa-loop-im.c (for_each_index): Move to tree-ssa-loop.c.
	(enum move_pos): Relocate here.
	(lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): Move to
	tree-ssa-loop.c.
	(execute_sm_if_changed_flag_set): Change get_lsm_tmp_name call.
	(tree_ssa_loop_im, gate_tree_ssa_loop_im, pass_data_lim, make_pass_lim):
	Relocate here from tree-ssa-loop.c.
	* tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Move to 
	tree-ssa-loop.c.
	(loop_edge_to_cancel, unloop_loops): Make static.
	(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_data_iv_canon,
	make_pass_iv_canon): Relocate from tree-ssa-loop.c.
	(tree_complete_unroll, gate_tree_complete_unroll,
	pass_data_complete_unroll, make_pass_complete_unroll): Relocate here.
	(tree_complete_unroll_inner, gate_tree_complete_unroll_inner,
	pass_data_complete_unrolli, make_pass_complete_unrolli): Relocate here.
	* tree-ssa-loop-ivopts.c: Remove local prototypes.
	(stmt_invariant_in_loop_p): Remove unused function.
	* tree-ssa-loop-ivopts.h: New file.  Add prototypes.
	* tree-ssa-loop-manip.h: New file.  Add prototypes.
	* tree-ssa-loop-niter.c (record_niter_bound): Move to cfgloop.c.
	(gcov_type_to_double_int): Move to cfgloop.h.
	(double_int_cmp, bound_index,
	estimate_numbers_of_iterations_loop): Make static.
	(estimated_loop_iterations): Factor out get_estimated_loop_iterations.
	(max_loop_iterations): Factor out get_max_loop_iterations.
	(estimated_loop_iterations_int, max_stmt_executions_int): Move to
	cfgloop.c.
	* tree-ssa-loop-niter.h: New file.  Add prototypes.
	* tree-ssa-loop-prefetch.c (tree_ssa_loop_prefetch,
	gate_tree_ssa_loop_prefetch, pass_data_loop_prefetch,
	make_pass_loop_prefetch): Relocate from tree-ssa-loop.c.
	* tree-ssa-loop-unswitch.c (tree_ssa_loop_unswitch,
	gate_tree_ssa_loop_unswitch, pass_data_tree_unswitch,
	make_pass_tree_unswitch): Relocate from tree-ssa-loop.c.
	* tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im,
	pass_data_lim, make_pass_lim): Move to tree-ssa-loop-im.c.
	(tree_ssa_loop_unswitch, gate_tree_ssa_loop_unswitch,
	pass_data_tree_unswitch, make_pass_tree_unswitch): Move.
	(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_data_iv_canon,
	make_pass_iv_canon, tree_complete_unroll, gate_tree_complete_unroll,
	pass_data_complete_unroll, make_pass_complete_unroll,
	tree_complete_unroll_inner, gate_tree_complete_unroll_inner,
	pass_data_complete_unrolli, make_pass_complete_unrolli): Move to
	tree-ssa-loop-ivcanon.c.
	(tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
	pass_data_loop_prefetch, make_pass_loop_prefetch): Move to
	tree-ssa-loop-prefetch.c.
	(for_each_index, lsm_tmp_name_add, gen_lsm_tmp_name): Relocate from
	tree-ssa-loop-im.c.
	(get_lsm_tmp_name): Relocate and add suffix parameter.
	(tree_num_loop_insns): Relocate from tree-ssa-ivcanon.c.
	* tree-scalar-evolution.h (simple_iv): Don't use affive_iv typedef.
	* cfgloop.c (record_niter_bound, estimated_loop_iterations_int,
	max_stmt_executions_int): Move from tree-ssa-loop-niter.c.
	(get_estimated_loop_iterations): Factor out accessor from 
	estimated_loop_iterations in tree-ssa-loop-niter.c.
	(get_max_loop_iterations): Factor out accessor from _max_loop_iterations
	in tree-ssa-niter.c.
	* loop-unroll.c (decide_unroll_constant_iterations,
	decide_unroll_runtime_iterations, decide_peel_simple,
	decide_unroll_stupid): Use new get_* accessors.

From-SVN: r203317

1 files changed, 46 insertions, 0 deletions

diff --git a/gcc/tree-ssa-loop-niter.h b/gcc/tree-ssa-loop-niter.h
new file mode 100644
index 0000000..aa05282
--- /dev/null
+++ b/gcc/tree-ssa-loop-niter.h
@@ -0,0 +1,46 @@
+/* Header file for loop interation estimates.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef GCC_TREE_SSA_LOOP_NITER_H
+#define GCC_TREE_SSA_LOOP_NITER_H
+
+extern tree expand_simple_operations (tree);
+extern bool loop_only_exit_p (const struct loop *, const_edge);
+extern bool number_of_iterations_exit (struct loop *, edge,
+				       struct tree_niter_desc *niter, bool,
+				       bool every_iteration = true);
+extern tree find_loop_niter (struct loop *, edge *);
+extern bool finite_loop_p (struct loop *);
+extern tree loop_niter_by_eval (struct loop *, edge);
+extern tree find_loop_niter_by_eval (struct loop *, edge *);
+extern bool estimated_loop_iterations (struct loop *, double_int *);
+extern bool max_loop_iterations (struct loop *, double_int *);
+extern HOST_WIDE_INT max_stmt_executions_int (struct loop *);
+extern HOST_WIDE_INT estimated_stmt_executions_int (struct loop *);
+extern bool max_stmt_executions (struct loop *, double_int *);
+extern bool estimated_stmt_executions (struct loop *, double_int *);
+extern void estimate_numbers_of_iterations (void);
+extern bool stmt_dominates_stmt_p (gimple, gimple);
+extern bool nowrap_type_p (tree);
+extern bool scev_probably_wraps_p (tree, tree, gimple, struct loop *, bool);
+extern void free_numbers_of_iterations_estimates_loop (struct loop *);
+extern void free_numbers_of_iterations_estimates (void);
+extern void substitute_in_loop_info (struct loop *, tree, tree);
+
+#endif /* GCC_TREE_SSA_LOOP_NITER_H */