[llvm] [BOLT] Add structure of CDSplit to SplitFunctions (PR #73430)

[Maksim Panchenko via llvm-commits]

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@@ -136,6 +149,55 @@ struct SplitProfile2 final : public SplitStrategy {
   }
 };
 
+struct SplitCacheDirected final : public SplitStrategy {
+  BinaryContext &BC;
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maksfb wrote:

Do we need `BinaryContext` member? We can always access it via `BinaryFunction::getBinaryContext()`.

https://github.com/llvm/llvm-project/pull/73430