[PATCH] D109301: [AMDGPU] Enable copy between VGPR and AGPR classes during regalloc

[Christudasan Devadasan via Phabricator via llvm-commits]

cdevadas added a comment.

In D109301#3109750 <https://reviews.llvm.org/D109301#3109750>, @rampitec wrote:

> I still do not think we can do it without solving partial spill/copy issue. At least not for wide tuples.

Even today we don't generate partial spills.
I am not sure how this patch is going to add any incremental impact on existing partial spill behavior.


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