[PATCH] D66181: [AArch64][GlobalISel] Add support for narrowScalar of G_ZEXT

[Amara Emerson via Phabricator via llvm-commits]

aemerson created this revision.
aemerson added reviewers: paquette, dsanders, aditya_nandakumar.
Herald added subscribers: Petar.Avramovic, volkan, hiraditya, kristof.beyls, javed.absar, rovka.
Herald added a project: LLVM.

We do this by merging the source with the high bits set to 0.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D66181

Files:
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/legalize-sext-128.mir
  llvm/test/CodeGen/AArch64/GlobalISel/legalize-sext-zext-128.mir
  llvm/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir

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