[PATCH] D75078: AMDGPU/GlobalISel: Improve handling of illegal return types

[Matt Arsenault via Phabricator via llvm-commits]

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

Most importantly, this fixes ret i8. Also make sure to handle
signext/zeroext for odd types > i32. Some of the corresponding
argument passing fixes also need to be handled.


https://reviews.llvm.org/D75078

Files:
  llvm/lib/Target/AMDGPU/AMDGPUCallLowering.cpp
  llvm/lib/Target/AMDGPU/AMDGPUCallLowering.h
  llvm/test/CodeGen/AMDGPU/GlobalISel/function-returns.ll

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