[PATCH] D98040: [AMDGPU][GlobalISel] Improve constant offset lookup for llvm.amdgcn.s.buffer

[Mirko Brkusanin via Phabricator via llvm-commits]

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Looking up constant offset for this intrinsic is done during RegBankSelect
so the constant might find itself behind a copy from sgpr to vgpr.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D98040

Files:
  llvm/lib/Target/AMDGPU/AMDGPUGlobalISelUtils.cpp
  llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/merge-s-buffer-loads.ll

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