[PATCH] D81322: [AArch64][GlobalISel] Allow G_DUP for elements smaller than 32 B.

[Jessica Paquette via Phabricator via llvm-commits]

paquette created this revision.
paquette added a reviewer: aemerson.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls, rovka.
Herald added a project: LLVM.

We select all of these via patterns now, so there's no reason to disallow this.

Update select-dup.mir to show that we correctly select the smaller types.


https://reviews.llvm.org/D81322

Files:
  llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerCombiner.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/postlegalizer-combiner-shuffle-splat.mir
  llvm/test/CodeGen/AArch64/GlobalISel/select-dup.mir

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