[PATCH] D129150: [DAG] Canonicalize non-inlane shuffle -> AND if all non-inlane referenced elements are known zero (WIP)

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 444318.
RKSimon added a comment.

rebase after rGd172842b5100926cc882617a1874afc09f5fbaaf <https://reviews.llvm.org/rGd172842b5100926cc882617a1874afc09f5fbaaf>


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D129150/new/

https://reviews.llvm.org/D129150

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.h
  llvm/test/CodeGen/AArch64/build-vector-extract.ll
  llvm/test/CodeGen/AArch64/neon-bitwise-instructions.ll
  llvm/test/CodeGen/ARM/vector-DAGCombine.ll
  llvm/test/CodeGen/X86/sad.ll
  llvm/test/CodeGen/X86/vector-shuffle-128-v4.ll
  llvm/test/CodeGen/X86/vector-shuffle-512-v8.ll

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