[PATCH] D60660: [InstCombine] Prune fshl/fshr with masked operands

[Nikita Popov via Phabricator via llvm-commits]

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

Actually all the necessary support is already in place here, all you need to do is call `SimplifyDemandedInstructionBits()`:

  if (SimplifyDemandedInstructionBits(*II))
      return &CI;


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  https://reviews.llvm.org/D60660/new/

https://reviews.llvm.org/D60660