[llvm] Update amdgpu_gfx functions to use s0-s3 for inreg SGPR arguments on targets using scratch instructions for stack #78226 (PR #81394)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> @arsenm, The issue might be with the system-installed opt binary. Is there a way to include the opt binary from the build?

update_llc_test_checks doesn't know how to run opt. For combined tests, I usually hack around it by deleting the opt/llc run lines and then running the appropriate scripts, before restoring the run lines.

You can also try to use update_any_test_checks, but I haven't used that successfully before 


https://github.com/llvm/llvm-project/pull/81394