[llvm] [CodeGen] Introduce Static Data Splitter pass (PR #122183)

[Snehasish Kumar via llvm-commits]

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@@ -107,6 +109,8 @@ class MachineJumpTableInfo {
     return JumpTables;
   }
 
+  void updateJumpTableHotness(size_t JTI, DataHotness Hotness);
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snehasish wrote:

Add a comment explaining this is for the jump table static data object?

https://github.com/llvm/llvm-project/pull/122183