[PATCH] D120538: [AMDGPU] Select no-return atomic ops in BUFInstructions.td

[Abinav Puthan Purayil via Phabricator via llvm-commits]

abinavpp created this revision.
abinavpp added reviewers: arsenm, foad, Petar.Avramovic, rampitec.
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abinavpp requested review of this revision.
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This change adds the selection of no-return buffer_* instructions in
tblgen. The motivation for this is to get the no-return atomic isel
working without relying on post-isel hooks so that GlobalISel can start
selecting them (once GlobalISelEmitter allows no return atomic patterns
like how DAGISel does).

This change handles the selection of no-return mubuf_atomic_cmpswap in
tblgen without changing the extract_subreg generation for the return
variant. This handling was done by the post-isel hook.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D120538

Files:
  llvm/lib/Target/AMDGPU/BUFInstructions.td
  llvm/lib/Target/AMDGPU/SIInstrInfo.td
  llvm/test/CodeGen/AMDGPU/buffer-intrinsics-mmo-offsets.ll

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