[PATCH] D142393: [OpenMP] Add 'amdgpu-flat-work-group-size' to OpenMP kernels

[Joseph Huber via Phabricator via cfe-commits]

jhuber6 created this revision.
jhuber6 added reviewers: JonChesterfield, arsenm, tra, yaxunl, jdoerfert.
Herald added subscribers: kosarev, kerbowa, guansong, tpr, dstuttard, jvesely, kzhuravl.
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jhuber6 requested review of this revision.
Herald added subscribers: cfe-commits, sstefan1, MaskRay, wdng.
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This patch adds the `amdgpu-flat-work-group-size=1,1024` attribute to
OpenMP kernels targeting AMDGPU. This also lets us use
`--gpu-max-threads-per-block` which is loosened from being a HIP only
option.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D142393

Files:
  clang/include/clang/Basic/LangOptions.def
  clang/include/clang/Driver/Options.td
  clang/lib/CodeGen/TargetInfo.cpp
  clang/lib/Driver/ToolChains/AMDGPU.cpp
  clang/lib/Driver/ToolChains/AMDGPUOpenMP.cpp
  clang/lib/Driver/ToolChains/HIPAMD.cpp
  clang/lib/Frontend/CompilerInvocation.cpp
  clang/test/Driver/openmp-offload-gpu.c
  clang/test/OpenMP/amdgcn-attributes.cpp

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