[PATCH] D112644: [AMDGPU] Fix global isel for kernels using agprs on gfx90a

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec added a comment.

In D112644#3091054 <https://reviews.llvm.org/D112644#3091054>, @arsenm wrote:

> How was this breaking?

LLVM ERROR: no registers from class available to allocate

What happens `usesAGPRs()` does not see any agprs used and then the whole register budget is allocated to vgprs.


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