[PATCH] D145939: [DAG] Fold multiple insert_vector_elt of zero values into an AND mask

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon updated this revision to Diff 505095.
RKSimon added a comment.

rebase + address feedback


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D145939/new/

https://reviews.llvm.org/D145939

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/AArch64/neon-dotreduce.ll
  llvm/test/CodeGen/AArch64/vecreduce-add-legalization.ll
  llvm/test/CodeGen/AArch64/vecreduce-umax-legalization.ll
  llvm/test/CodeGen/X86/clear_upper_vector_element_bits.ll
  llvm/test/CodeGen/X86/insertelement-zero.ll

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