On Wed, 10 Jun 2015, Richard Biener wrote:
>
> The following patch fixes a preference that causes SCCVN to fail to
> eliminate redundant IVs. It will prefer to try eliminating IVs to
> eliminating degenerate PHIs (if the degenerate PHI has a backedge).
> I failed to create a testcase for that -
The following patch fixes a preference that causes SCCVN to fail to
eliminate redundant IVs. It will prefer to try eliminating IVs to
eliminating degenerate PHIs (if the degenerate PHI has a backedge).
I failed to create a testcase for that - the one below is essentially
what the vectorizer can e
