Alexis Engelke 739a960567 [RegAlloc] Don't call always-true ShouldAllocClass (#96296) ...

Previously, there was at least one virtual function call for every
allocated register. The only users of this feature are AMDGPU and RISC-V
(RVV), other targets don't use this. To easily identify these cases,
change the default functor to nullptr and don't call it for every
allocated register.

2024-06-21 13:18:35 +02:00

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