[Bug tree-optimization/23855] loop header should also be pulled out of the inner loop too

rguenther at suse dot de gcc-bugzilla@gcc.gnu.org
Thu Oct 20 07:44:00 GMT 2011


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23855

--- Comment #24 from rguenther at suse dot de <rguenther at suse dot de> 2011-10-20 07:43:44 UTC ---
On Wed, 19 Oct 2011, pinskia at gcc dot gnu.org wrote:

> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23855
> 
> --- Comment #23 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-10-19 19:10:38 UTC ---
> The other way to handle this is to allow unswitch loops to handle non inner
> loops which from what I can tell is a two line patch.

Though unswitching is too late for loop invariant motion to work here.



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