Austin Kerbow 7b70af297a [AMDGPU] Add IR lowering changes for preloaded kernargs ...

Preloaded kernel arguments should not be lowered in the IR pass
AMDGPULowerKernelArguments. Therefore it's necessary to calculate the
total number of user SGPRs that are available for preloading and how
many SGPRs would be required to preload each argument to determine
whether we should skip lowering i.e. the argument will be preloaded
instead.

Reviewed By: bcahoon

Differential Revision: https://reviews.llvm.org/D156853

2023-09-25 08:54:07 -07:00

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