[PATCH] D156853: [AMDGPU] Add metadata to track preloaded arguments

[Austin Kerbow via Phabricator via llvm-commits]

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Metadata !preload_kernel_args is added to track kernel arguments that
will be preloaded into SGPRs. The metadata gives the index of the
arguments to be prelaoded. The arguments are required to be
sequential in the argument list by the current HW firmware.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D156853

Files:
  llvm/lib/Target/AMDGPU/AMDGPULowerKernelArguments.cpp
  llvm/test/CodeGen/AMDGPU/preload-kernal-args-metadata.ll

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