[clang] [llvm] [AMDGPU] Add per-kernel kernarg preload count (PR #211059)

[Aaron Ballman via llvm-commits]

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@@ -8607,6 +8610,10 @@ void Sema::ProcessDeclAttributeList(
       Diag(D->getLocation(), diag::err_attribute_wrong_decl_type)
           << A << A->isRegularKeywordAttribute() << ExpectedKernelFunction;
       D->setInvalidDecl();
+    } else if (const auto *A = D->getAttr<AMDGPUKernargPreloadCountAttr>()) {
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AaronBallman wrote:

The FIXME above the block of code is getting closer to being a requirement, just in case you feel like being nerd sniped into doing some refactoring work before working on this PR. :-D

https://github.com/llvm/llvm-project/pull/211059