[PATCH] D138953: llvm-reduce: Try to kill parallel workitems once we have a result.

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D138953#3958442 <https://reviews.llvm.org/D138953#3958442>, @regehr wrote:

> just fyi, the experience with this from C-Reduce is that first, killed compilers will tend to leave crap in /tmp or similar, and this builds up over time, but usually not that quickly.

opt and llc don't do this, so I'm not too worried about this. Not sure what I would try to do about this anyway since tools tend to make up their own random unique filenames.

> and second, this only worked robustly when I made a new process group to put the interestingness test into and then killed the entire group.

Do you expect that in this patch? I don't see an existing abstraction for this


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