[PATCH] D64432: [InstCombine] try to narrow a truncated load

[Philip Reames via Phabricator via llvm-commits]

reames added a comment.

Looks like you guys came to a completely reasonable short term solution with the dereferenceable limitation.  I agree we need a better answer here long term, but being able to make progress on short term items without blocking is good to see.

Amusingly, I just stumbled across an example locally where narrowing a vector load was the right answer performance wise.  :)


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  https://reviews.llvm.org/D64432/new/

https://reviews.llvm.org/D64432