[PATCH] D146903: (WIP)[SimplifyCFG] add nsw on SwitchToLookupTable

[Kohei Asano via Phabricator via llvm-commits]

khei4 added a comment.

@nikic Thank you for the review!

> This part of the change looks correct to me. It might be worthwhile to split it from the changes to BuildLookup.

As you suggested, I'll first focus on flags only by DeafultsReachable on this revision!


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https://reviews.llvm.org/D146903