[PATCH] D145299: [X86] Generate better code for std::bit_ceil

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

What is preventing is from performing this in InstCombine? I don't think this pattern will emerge in SelectionDAG


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D145299/new/

https://reviews.llvm.org/D145299