[PATCH] D126957: [SVE] Fix incorrect code generation for bitcasts of unpacked vector types.

[Paul Walker via Phabricator via llvm-commits]

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Bitcasting between unpacked scalable vector types of different
element counts is not a NOP because the live elements are laid out
differently.

  01234567

e.g. nxv2i32 = XX??XX??

  nxv4f16 = X?X?X?X?


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D126957

Files:
  llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/sve-bitcast.ll

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