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

[guopeilin via Phabricator via llvm-commits]

guopeilin added a comment.

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:
  rG LLVM Github Monorepo

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

https://reviews.llvm.org/D93617