[PATCH] D32166: Improve LoopVectorizers estimation of scalar loops by predicting LSR behaviour

[Jonas Paulsson via Phabricator via llvm-commits]

jonpa added a comment.

In https://reviews.llvm.org/D32166#768589, @rengolin wrote:

> In https://reviews.llvm.org/D32166#768530, @jonpa wrote:
>
> > I tried this - adding LSR just before loop vectorizer, and found that it did indeed affect a few benchmarks noticeably, with mixed results.
>
>
> For both compile time and run time performance?


I have just looked at performance. It was a while since I tried to evaluate the compile time impact of a single pass. How would you do this?


https://reviews.llvm.org/D32166