[PATCH] D113030: Add a new tool for parallel safe bisection, "llvm-bisectd".

Amara Emerson via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Nov 2 13:09:28 PDT 2021


aemerson added a comment.

In D113030#3103903 <https://reviews.llvm.org/D113030#3103903>, @lebedev.ri wrote:

> I would like to note that there's some rudimentary support
> for previous generation of this scattered throught the codebase,
> namely DebugCounters for bugpoint.
>
> I don't really have an opinion on the proposal at large,
> but i think it may be important to not just introduce a yet another variant
> of dealing with the same issue, but only have a single good modern way.

Yes, I've seen DebugCounter. It's useful when you're already identified the file where something is going wrong, and you can enable the counters and pass counter values to opt. It doesn't however work across multiple TUs or support parallel debugging, so it's not solving the same problem.


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