[llvm] [AMDGPU] Fix for 131386 by reducing implicit definitions on register restoration (PR #133986)

[Ryan Buchner via llvm-commits]

bababuck wrote:

If there is any interest, here's the emulator I wrote to help with debug: https://github.com/bababuck/AMDGPU

https://github.com/llvm/llvm-project/pull/133986