[PATCH] D103139: [AMDGPU] Replace non-kernel function uses of LDS globals by pointers.

[Mahesha S via Phabricator via llvm-commits]

hsmhsm created this revision.
hsmhsm added reviewers: JonChesterfield, arsenm, b-sumner, t-tye, rampitec.
Herald added subscribers: foad, kerbowa, jfb, hiraditya, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl.
hsmhsm requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.

The main motivation behind pointer replacement of LDS use within non-kernel
functions is - to *avoid* subsequent LDS lowering phase from directly packing
LDS (assume large LDS) into a struct type which would otherwise cause allocating
huge memory for struct instance within every kernel.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D103139

Files:
  llvm/lib/Target/AMDGPU/AMDGPULowerModuleLDSPass.cpp
  llvm/lib/Target/AMDGPU/Utils/AMDGPULDSUtils.cpp
  llvm/lib/Target/AMDGPU/Utils/AMDGPULDSUtils.h
  llvm/test/CodeGen/AMDGPU/lower-module-lds.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-call-diamond-shape.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-call-selected_functions.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-ignore-global-scope-use.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-ignore-inline-asm-call.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-ignore-kernel-only-used-lds.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-ignore-not-reacheble-lds.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-ignore-small-lds.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-indirect-call-diamond-shape.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-indirect-call-misc1.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-indirect-call-selected_functions.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-multiple-lds.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-use-within-func.ll
  llvm/test/CodeGen/AMDGPU/replace-lds-by-ptr-use-within-kern-and-func.ll

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