On Mon, 7 Oct 2019, Richard Biener wrote:
>
> The following tries to address the issue that PRE is quite happy
> to introduce new IVs in loops just because it can compute some
> constant value on the loop entry edge. In principle there's
> already code that should work against that but it simply
The following tries to address the issue that PRE is quite happy
to introduce new IVs in loops just because it can compute some
constant value on the loop entry edge. In principle there's
already code that should work against that but it simply searches
for a optimize_edge_for_speed () edge. Th
