2017-10-23 Richard Biener <rguenther@suse.de>

2017-10-23  Richard Biener  <rguenther@suse.de>

	* tree-ssa-pre.c (bitmap_remove_from_set): Rename to...
	(bitmap_remove_expr_from_set): ... this.  All callers call this
	for non-constant values.
	(bitmap_set_subtract): Rename to...
	(bitmap_set_subtract_expressions): ... this.  Adjust and
	optimize.
	(bitmap_set_contains_value): Remove superfluous check.
	(bitmap_set_replace_value): Inline into single caller ...
	(bitmap_value_replace_in_set): ... here and simplify.
	(dependent_clean): Merge into ...
	(clean): ... this using an overload.  Adjust.
	(prune_clobbered_mems): Adjust.
	(compute_antic_aux): Likewise.
	(compute_partial_antic_aux): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@254007 138bc75d-0d04-0410-961f-82ee72b054a4