llvm-project

f024026a - AMDGPU/GlobalISel: Regbanklegalize for G_CONCAT_VECTORS (#171471)

AMDGPU/GlobalISel: Regbanklegalize for G_CONCAT_VECTORS (#171471) RegBankLegalize using trivial mapping helper, assigns same reg bank to all operands, vgpr or sgpr. Uncovers multiple codegen and regbank combiner regressions related to looking through sgpr to vgpr copies. Skip regbankselect-concat-vector.mir since agprs are not yet supported.