[PATCH] D109148: [DAGCombiner][VP] Fold zero-length or false-masked VP ops

[Fraser Cormack via Phabricator via llvm-commits]

frasercrmck updated this revision to Diff 370898.
frasercrmck added a comment.
Herald added a subscriber: dexonsmith.

- remove switch
- use binary-op and reduction helpers
- use MemSDNode to simplify load, store, etc.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109148/new/

https://reviews.llvm.org/D109148

Files:
  llvm/include/llvm/CodeGen/ISDOpcodes.h
  llvm/include/llvm/IR/VPIntrinsics.def
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  llvm/test/CodeGen/RISCV/rvv/fixed-vectors-vadd-vp.ll
  llvm/test/CodeGen/RISCV/rvv/undef-vp-ops.ll
  llvm/test/CodeGen/RISCV/rvv/vadd-vp.ll

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