[PATCH] D93617: [DemandedBits] Add a whitelist when computing demanded bits of Trunc Instruction

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri requested changes to this revision.
lebedev.ri added a comment.
This revision now requires changes to proceed.

In D93617#2465469 <https://reviews.llvm.org/D93617#2465469>, @guopeilin wrote:

> In D93617#2465429 <https://reviews.llvm.org/D93617#2465429>, @nikic wrote:
>
>> Is this supposed to be a correctness fix, or a profitability heuristic?
>
> I guess it is a profitability heuristic.




Repository:
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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D93617/new/

https://reviews.llvm.org/D93617