On Wed, 1 Aug 2018, Richard Biener wrote:
>
> This rewrites the value-numbering algorithm used for FRE and PRE from
> SSA SCC based to RPO based, thus switching from an algorithm that
> handles SSA SCCs optimistically to one that handles CFG SCCs
> optimistically.
>
> The main motivation for th
This rewrites the value-numbering algorithm used for FRE and PRE from
SSA SCC based to RPO based, thus switching from an algorithm that
handles SSA SCCs optimistically to one that handles CFG SCCs
optimistically.
The main motivation for this besides being more optimistic was that
adding CFG con
