[PATCH] D151750: [DAGCombine] `select_cc seteq X, 0, 0, cttz_zero_undef(X) -> and(cttz(X), sizeof(X) - 1)`

[Mikhail Gudim via Phabricator via llvm-commits]

mgudim added a comment.

I have posted a patch for folding binop into select: https://reviews.llvm.org/D152147
That solves the degradation that @craig.topper pointed out.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D151750/new/

https://reviews.llvm.org/D151750