[llvm] [CodeGen][StaticDataPartitioning]Place local-linkage global variables in hot or unlikely prefixed sections based on profile information (PR #125756)

[Mingming Liu via llvm-commits]

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@@ -92,63 +121,131 @@ bool StaticDataSplitter::splitJumpTablesWithProfiles(
   for (const auto &MBB : MF) {
     for (const MachineInstr &I : MBB) {
       for (const MachineOperand &Op : I.operands()) {
-        if (!Op.isJTI())
-          continue;
-        const int JTI = Op.getIndex();
-        // This is not a source block of jump table.
-        if (JTI == -1)
+        std::optional<uint64_t> Count = std::nullopt;
+        if (!Op.isJTI() && !Op.isGlobal())
           continue;
 
-        auto Hotness = MachineFunctionDataHotness::Hot;
+        Count = MBFI->getBlockProfileCount(&MBB);
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mingmingl-llvm wrote:

Yes the change is ok.

I kept getting "Applying suggestions on deleted lines is currently not supported." error when trying to commit the suggestion. I'll make the change in the local client..

https://github.com/llvm/llvm-project/pull/125756