[PATCH] D90945: [SVE][CodeGen] Add a DAG combine to extend mscatter indices

[Kerry McLaughlin via Phabricator via llvm-commits]

kmclaughlin created this revision.
kmclaughlin added reviewers: sdesmalen, efriedma, fhahn, craig.topper.
Herald added subscribers: llvm-commits, psnobl, hiraditya, tschuett.
Herald added a project: LLVM.
kmclaughlin requested review of this revision.

This patch adds a target-specific DAG combine for mscatter to promote indices
with element types i8 or i16 before legalisation, plus various tests with illegal types.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D90945

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/sve-masked-scatter-legalise.ll

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