[PATCH] D129098: [AArch64][GlobalISel] Add support for sret demotion.

[Amara Emerson via Phabricator via llvm-commits]

aemerson created this revision.
aemerson added reviewers: paquette, arsenm, t.p.northover.
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To do this, we need to implement a target hook and make a minor change to the call lowering to demote arguments to sret if they can't be handled by calling conventions.

Fixes issue 56295


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D129098

Files:
  llvm/lib/Target/AArch64/GISel/AArch64CallLowering.cpp
  llvm/lib/Target/AArch64/GISel/AArch64CallLowering.h
  llvm/test/CodeGen/AArch64/GlobalISel/call-lowering-sret-demotion.ll

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