[PATCH] D93586: [InstCombine] use poison as placeholder for undemanded elems

[Simon Pilgrim via Phabricator via cfe-commits]

RKSimon added a comment.

I'm sorry I've only just started looking at this - are you saying that you want to handle all "insertelement undef" cases in one go and not just a series of patcches after this one?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D93586/new/

https://reviews.llvm.org/D93586