2014-01-16  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/46590
	* lcm.c (compute_antinout_edge): Use postorder iteration.
	(compute_laterin): Use inverted postorder iteration.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206663 138bc75d-0d04-0410-961f-82ee72b054a4