[PATCH] D148917: [AArch64][FastISel] Handle CRC32 intrinsics

[Alexis Engelke via Phabricator via llvm-commits]

aengelke created this revision.
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With a similar reason as D148023 <https://reviews.llvm.org/D148023>; some applications make heavy use of
the CRC32 intrinsic (e.g., as part of a hash function) and therefore
benefit from avoiding frequent SelectionDAG fallbacks. In our
application, we get a 2% compile-time improvement.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D148917

Files:
  llvm/lib/Target/AArch64/AArch64FastISel.cpp
  llvm/test/CodeGen/AArch64/arm64-fast-isel-crc32.ll

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