[PATCH] D108368: [AMDGPU] Fix too many constants with flat scratch

[Sebastian Neubauer via Phabricator via llvm-commits]

sebastian-ne created this revision.
sebastian-ne added reviewers: arsenm, rampitec.
Herald added subscribers: foad, kerbowa, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl.
sebastian-ne requested review of this revision.
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Prevent SIFoldOperands from creating SALU instructions with a constant
and a frame index. Previously, only one operand was checked to be a
frame index, leading to too many constants when flat scratch is enabled
and stack offsets are large.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D108368

Files:
  llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
  llvm/test/CodeGen/AMDGPU/flat-scratch.ll

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