2010-01-14 Andrey Belevantsev <abel@ispras.ru>

	    Alexander Monakov  <amonakov@ispras.ru>

	PR middle-end/42245
	* sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
	(maybe_tidy_empty_bb): ... here.  Make static.  Add new
	argument.  Update all callers.
	(tidy_control_flow): ... and here.  Recompute topological order
	of basic blocks in region if necessary.
	(sel_redirect_edge_and_branch): Change return type.  Return true
	if topological order might have been invalidated.
	(purge_empty_blocks): Export and move from...
	* sel-sched.c (purge_empty_blocks): ... here.
	* sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
        (maybe_tidy_empty_bb): Delete prototype.
	(purge_empty_blocks): Declare.

	* gcc.dg/pr42245.c: New.
	* gcc.dg/pr42245-2.c: New.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@155890 138bc75d-0d04-0410-961f-82ee72b054a4

0 files changed, 0 insertions, 0 deletions