[PATCH] D69236: [bugpoint] Try to reduce passes after reducing everything.

Florian Hahn via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Oct 29 07:02:27 PDT 2019


fhahn added a comment.

In D69236#1723865 <https://reviews.llvm.org/D69236#1723865>, @reames wrote:

> LGTM.
>
> On a general note, I think we should be iterating to a fixed point between the various reductions.  There's no reason we should ever be returning something another run of bugpoint could reduce.  We'd need to provide a "fast" mode of course, but that seems worthwhile anyways.


That's an interesting suggestion!

My main motivation for the initial set of recent bugpoint patches was to see how easy it would be to fix a few pain points I've seen in the past (and to kill some time on a plane). The initial patches were quite small, because I do not have any experience with the bug point code, the test coverage is really limited and I wanted to avoid breaking bugpoint. But I think once the first set of patches are committed and baked a bit, I would like to explore the direction suggested a bit more.


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