[PATCH] D111637: [AMDGPU] Changes the AMDGPU_Gfx calling convention by making the SGPRs 4..29 callee-save. This is to avoid superfluous s_movs when executing amdgpu_gfx function calls as the callee is likely not going to change the argument values.

[Sebastian Neubauer via Phabricator via llvm-commits]

sebastian-ne accepted this revision.
sebastian-ne added a comment.
This revision is now accepted and ready to land.

Thanks, for doing the analysis.
I get one warning with this patch, otherwise LGTM.

  llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp:4356:11: warning: enumeration value 'RET_GFX_FLAG' not handled in switch [-Wswitch]
    switch ((AMDGPUISD::NodeType)Opcode) {
            ^
  1 warning generated.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111637/new/

https://reviews.llvm.org/D111637