[PATCH] D108344: [AArch64][GlobalISel] Legalize non-register-sized scalar G_BITREVERSE

[Jessica Paquette via Phabricator via llvm-commits]

paquette created this revision.
paquette added reviewers: aemerson, jroelofs.
Herald added subscribers: hiraditya, kristof.beyls, rovka.
paquette requested review of this revision.
Herald added a project: LLVM.

Clamp types to [s32, s64] and make them a power of 2.

This matches SDAG's behaviour.

https://godbolt.org/z/vTeGqf4vT


https://reviews.llvm.org/D108344

Files:
  llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/legalize-bitreverse.mir

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