tree.c (drop_tree_overflow): New function.

2013-11-06  Richard Biener  <rguenther@suse.de>

	* tree.c (drop_tree_overflow): New function.
	* tree.h (drop_tree_overflow): Declare.
	* gimplify.c (gimplify_expr): Drop TREE_OVERFLOW.
	* tree-vrp.c (range_int_cst_singleton_p): Use
	is_overflow_infinity instead of testing TREE_OVERFLOW.
	(extract_range_from_assert): Likewise.
	(zero_nonzero_bits_from_vr): Likewise.
	(extract_range_basic): Likewise.
	(register_new_assert_for): Use drop_tree_overflow.
	(vrp_visit_phi_node): Likewise.

From-SVN: r204454

1 files changed, 1 insertions, 0 deletions

diff --git a/gcc/tree.h b/gcc/tree.h
index 920ad07..5f9d0ea 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -4800,6 +4800,7 @@ extern tree get_base_address (tree t);
 extern void mark_addressable (tree);
 
 /* In tree.c.  */
+extern tree drop_tree_overflow (tree);
 extern int tree_map_base_eq (const void *, const void *);
 extern unsigned int tree_map_base_hash (const void *);
 extern int tree_map_base_marked_p (const void *);