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

[Carl Ritson via Phabricator via llvm-commits]

critson updated this revision to Diff 297747.
critson added a comment.

Address reviews comments:

- Fix initialiser to use AMDGPU::NoSubRegister and not memset.
- Add comment on mapping array.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D89217/new/

https://reviews.llvm.org/D89217

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

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