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

[Yaxun Liu via cfe-commits]

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@@ -2525,6 +2525,13 @@ def AMDGPUNumVGPR : InheritableAttr {
   let Subjects = SubjectList<[Function], ErrorDiag, "kernel functions">;
 }
 
+def AMDGPUKernargPreloadCount : InheritableAttr {
+  let Spellings = [Clang<"amdgpu_kernarg_preload_count", 0>];
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yxsamliu wrote:

Opened #211451 to track this cleanup.

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