[PATCH] D93337: AMDGPU/GlobalISel: Start cleaning up calling convention lowering

[Matt Arsenault via Phabricator via llvm-commits]

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There are various hacks working around limitations in
handleAssignments, and the logical split between different parts isn't
correct. Start separating the type legalization to satisfy going
through the DAG infrastructure from the code required to split into
register types. The type splitting should be moved to generic code.


https://reviews.llvm.org/D93337

Files:
  llvm/lib/Target/AMDGPU/AMDGPUCallLowering.cpp
  llvm/lib/Target/AMDGPU/AMDGPUCallLowering.h
  llvm/test/CodeGen/AMDGPU/GlobalISel/irtranslator-call-non-fixed.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/irtranslator-call.ll

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