[PATCH] D138814: [InstCombine] Combine a/lshr of add -> uadd.with.overflow

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

> What do you think about producing the sequence with 'not' + 'icmp' instead of the uadd + extract?

The point about using uadd.with.overflow is that it also gives you the truncated 32 bit result of the add.


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https://reviews.llvm.org/D138814