[PATCH] D89217: [AMDGPU] Base getSubRegFromChannel on TableGen data

[Carl Ritson via Phabricator via llvm-commits]

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Generate (at runtime) the table used to drive getSubRegFromChannel,
base on AMDGPUSubRegIdxRanges from TableGen data.
The is a step closer to it being staticly generated by TableGen and
allows getSubRegFromChannel handle all bitwidths in the mean time.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D89217

Files:
  llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
  llvm/lib/Target/AMDGPU/SIRegisterInfo.h

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