[llvm] [NFC][StaticDataProfileInfo] Refactor StaticDataProfileInfo::getConstantSectionPrefix and extract analysis based on PGO-counter to be a helper function (PR #162388)

[Snehasish Kumar via llvm-commits]

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@@ -44,6 +47,20 @@ class StaticDataProfileInfo {
   LLVM_ABI std::optional<uint64_t>
   getConstantProfileCount(const Constant *C) const;
 
+  enum class StaticDataHotness : uint8_t {
+    Cold = 0,
+    LukewarmOrUnknown = 1,
+    Hot = 2,
+  };
+
+  /// Return the hotness of the constant \p C based on its profile count \p
+  /// Count.
+  LLVM_ABI StaticDataHotness getSectionHotnessUsingProfileCount(
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snehasish wrote:

Can we name this `getConstantHotnessUsingProfileCount`? I wasn't sure what is implied by the word section in the name.

https://github.com/llvm/llvm-project/pull/162388