[PATCH, PR 10474] Take two on splitting live-ranges of function arguments to help shrink-wrapping

[Vladimir Makarov]

On 11/6/2013, 11:26 AM, Martin Jambor wrote:
> So, Vlad, Steven, do you think that this time I have re-computed all
> that is necessary?  Do you think the patch is OK?
It is ok for me.  Thanks.
> Thanks a lot and sorry for the breakage,
>
Only who does nothing does not make mistakes.
>
>
> 2013-11-04  Martin Jambor  <mjambor@suse.cz>
>
> 	PR rtl-optimization/10474
> 	* ira.c (interesting_dest_for_shprep): New function.
> 	(split_live_ranges_for_shrink_wrap): Likewise.
> 	(find_moveable_pseudos): Move calculation of dominance info,
> 	df_analysios and the final anlyses to...
> 	(ira): ...here, 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.