[PATCH] D144099: [WIP][AMDGPU] Fold more AGPR copies/PHIs in SIFoldOperands

[Pierre van Houtryve via Phabricator via llvm-commits]

Pierre-vh added a comment.

In D144099#4129748 <https://reviews.llvm.org/D144099#4129748>, @arsenm wrote:

> Should have a MIR test. Also feels like it's more complicated than it needs to be to solve this

I will definitely write a MIR test (and remove the WIP tag) once this diff is in the right direction (no major changes needed). I just didn't write the test yet because I'm still not sure this is headed in the right direction and how many changes will be needed


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https://reviews.llvm.org/D144099