[PATCH] D63798: AMDGPU/GlobalISel: Fix allowing non-boolean conditions for G_SELECT

[Matt Arsenault via Phabricator via llvm-commits]

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

The condition register bank must be scc or vcc so that a copy will be
inserted, which will be lowered to a compare.

Currently greedy unnecessarily forces using a VCC select.


https://reviews.llvm.org/D63798

Files:
  lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
  test/CodeGen/AMDGPU/GlobalISel/regbankselect-phi.mir
  test/CodeGen/AMDGPU/GlobalISel/regbankselect-select.mir

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