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

[Sanjay Patel via Phabricator via llvm-commits]

spatel added a comment.

In D64432#1584782 <https://reviews.llvm.org/D64432#1584782>, @jdoerfert wrote:

> Could we check here if the base pointer has `dereferenceable` annotation and use that as a condition for this transformation? (It's more complicated to be completely lossless but this seems to be an easy to test starting point).


That seems like a reasonable way to overcome the potential loss, so I'll update this patch with that change.
I'm expecting that will significantly reduce the opportunities for the transform though...until Attributor is working at full strength.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64432/new/

https://reviews.llvm.org/D64432