[PATCH] D28379: [AArch64] Add support for lowering the bitreverse intrinsic to the rbit instruction.

[Chad Rosier via Phabricator via llvm-commits]

mcrosier updated this revision to Diff 83633.
mcrosier added a comment.

-Use autoupgrade to allow removal of aarch64 rbit intrinsic, per Simon's suggestion.


https://reviews.llvm.org/D28379

Files:
  include/llvm/IR/IntrinsicsAArch64.td
  lib/IR/AutoUpgrade.cpp
  lib/Target/AArch64/AArch64ISelLowering.cpp
  lib/Target/AArch64/AArch64InstrInfo.td
  test/CodeGen/AArch64/bitreverse.ll
  test/CodeGen/AArch64/rbit.ll

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