On Fri, 29 Jan 2016, Jakub Jelinek wrote:
> On Fri, Jan 29, 2016 at 09:40:48AM +0100, Richard Biener wrote:
> > I am testing the following patch to fix a regression that we no longer
> > remove some empty loops.
>
> Doesn't this mean that DCE will remove the clobbers as unnecessary, even
> when t
On Fri, Jan 29, 2016 at 09:40:48AM +0100, Richard Biener wrote:
> I am testing the following patch to fix a regression that we no longer
> remove some empty loops.
Doesn't this mean that DCE will remove the clobbers as unnecessary, even
when they aren't in empty loops?
Jakub
I am testing the following patch to fix a regression that we no longer
remove some empty loops.
Bootstrap and regtest running on x86_64-unknown-linux-gnu.
Richard.
2016-01-19 Richard Biener
PR tree-optimization/69547
* tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
