[PATCH] D55753: AMDGPU/GlobalISel: RegBankSelect for carry-in

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: tstellar.
Herald added subscribers: t-tye, tpr, dstuttard, kristof.beyls, rovka, yaxunl, nhaehnle, wdng, jvesely, kzhuravl.

I'm not sure we should be allowing the truncate
to s1 for the inputs. It may be necessary to
create a new VCC reg bank.


https://reviews.llvm.org/D55753

Files:
  lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
  test/CodeGen/AMDGPU/GlobalISel/regbankselect-sadde.mir
  test/CodeGen/AMDGPU/GlobalISel/regbankselect-ssube.mir
  test/CodeGen/AMDGPU/GlobalISel/regbankselect-uadde.mir
  test/CodeGen/AMDGPU/GlobalISel/regbankselect-usube.mir

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