[PATCH] D138786: [AMDGPU] Add llvm.amdgcn.raw.atomic.buffer.load intrinsic to support OpAtomicLoad lowering

[Mariusz Sikora via Phabricator via llvm-commits]

mariusz-sikora-at-amd created this revision.
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This adds llvm.amdgcn.raw.atomic.buffer.load intrinsic to support
OpAtomicLoad lowering on AMDGPU. Previously this was lowered to
llvm.amdgcn.raw.buffer.load which caused the load in some cases
to be marked as invariant and hoisted in LICM.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138786

Files:
  llvm/include/llvm/IR/IntrinsicsAMDGPU.td
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/test/CodeGen/AMDGPU/llvm.amdgcn.raw.atomic.buffer.load.ll

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