[PATCH] D65357: [AArch64][GlobalISel] Implement narrowing of G_SEXT.

[Amara Emerson via Phabricator via llvm-commits]

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

We need this to narrow a sext to s128.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D65357

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

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