Merge in trunk.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@203881 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 48 insertions, 0 deletions

diff --git a/gcc/tree-ssa-loop-niter.h b/gcc/tree-ssa-loop-niter.h
new file mode 100644
index 00000000000..a794843380d
--- /dev/null
+++ b/gcc/tree-ssa-loop-niter.h
@@ -0,0 +1,48 @@
+/* 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 *, max_wide_int *);
+extern HOST_WIDE_INT estimated_loop_iterations_int (struct loop *);
+extern bool max_loop_iterations (struct loop *, max_wide_int *);
+extern HOST_WIDE_INT max_loop_iterations_int (struct loop *);
+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 *, max_wide_int *);
+extern bool estimated_stmt_executions (struct loop *, max_wide_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 */