2013-10-31 Martin Jambor <mjambor@suse.cz>

2013-10-31  Martin Jambor  <mjambor@suse.cz>

	PR rtl-optimization/58934
	Revert:
	2013-10-30  Martin Jambor  <mjambor@suse.cz>
	PR rtl-optimization/10474
	* ira.c (find_moveable_pseudos): Do not calculate dominance info
	nor df analysis.
	(interesting_dest_for_shprep): New function.
	(split_live_ranges_for_shrink_wrap): Likewise.
	(ira): Calculate dominance info and df analysis. Call
	split_live_ranges_for_shrink_wrap.

testsuite/
	* gcc.dg/pr10474.c: New testcase.
	* gcc.dg/ira-shrinkwrap-prep-1.c: Likewise.
	* gcc.dg/ira-shrinkwrap-prep-2.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@204254 138bc75d-0d04-0410-961f-82ee72b054a4