[llvm-branch-commits] [llvm] [StaticDataLayout] Reconcile data hotness based on PGO counters and data access profiles (PR #163325)

[Mingming Liu via llvm-branch-commits]

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@@ -58,11 +58,18 @@ class StaticDataProfileInfo {
   LLVM_ABI StaticDataHotness getSectionHotnessUsingProfileCount(
       const Constant *C, const ProfileSummaryInfo *PSI, uint64_t Count) const;
 
+  /// Return the hotness based on section prefix \p SectionPrefix.
+  LLVM_ABI StaticDataHotness
+  getSectionHotnessUsingDAP(std::optional<StringRef> SectionPrefix) const;
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mingmingl-llvm wrote:

done by extending 'DAP' to `DataAccessProfile` or `DataAccessProf`. I'll think about where to mention 'DAP' to LLVM docs so the abbreviation name are widely known (like PGO/LTO, etc).

I'll revise the test name `llvm/test/CodeGen/X86/global-variable-partition-with-dap.ll` in a follow-up patch.

https://github.com/llvm/llvm-project/pull/163325