[PATCH] D83988: AMDGPU/GlobalISel: Start trying to handle AGPR bank

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: kerbowa, rampitec, madhur13490.
Herald added subscribers: hiraditya, t-tye, tpr, dstuttard, rovka, yaxunl, nhaehnle, wdng, jvesely, kzhuravl.
Herald added a project: LLVM.

Try to use AGPR banks for the various merge/unmerge type
operations. Previously these would introduce copies to VGPR.


https://reviews.llvm.org/D83988

Files:
  llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
  llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.h
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-build-vector.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-concat-vector.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-extract.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-insert.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-merge-values.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-phi.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-unmerge-values.mir

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