[PATCH] D125607: [DAG] Fold (shl (srl x, c), c) -> and(x, m) even if srl has other uses

[Dave Green via Phabricator via llvm-commits]

dmgreen added a comment.

Do you know what makes the AArch64::shouldFoldConstantShiftPairToMask necessary? Is it just something about those tests, or something fundamental to the architecture?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D125607/new/

https://reviews.llvm.org/D125607