[llvm] [NFC][AsmPrinter] Refactor AsmPrinter and AArch64AsmPrinter to prepare for jump table partitions on aarch64 (PR #125993)

[Mingming Liu via llvm-commits]

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@@ -2891,33 +2881,40 @@ void AsmPrinter::emitJumpTableInfo() {
     }
   }
 
-  emitJumpTableImpl(*MJTI, HotJumpTableIndices, JTInDiffSection);
-  emitJumpTableImpl(*MJTI, ColdJumpTableIndices, JTInDiffSection);
+  emitJumpTableImpl(*MJTI, HotJumpTableIndices);
+  emitJumpTableImpl(*MJTI, ColdJumpTableIndices);
 }
 
 void AsmPrinter::emitJumpTableImpl(const MachineJumpTableInfo &MJTI,
-                                   ArrayRef<unsigned> JumpTableIndices,
-                                   bool JTInDiffSection) {
-  if (JumpTableIndices.empty())
+                                   ArrayRef<unsigned> JumpTableIndices) {
+  if (MJTI.getEntryKind() == MachineJumpTableInfo::EK_Inline ||
+      JumpTableIndices.empty())
     return;
 
   const TargetLoweringObjectFile &TLOF = getObjFileLowering();
   const Function &F = MF->getFunction();
   const std::vector<MachineJumpTableEntry> &JT = MJTI.getJumpTables();
   MCSection *JumpTableSection = nullptr;
-  if (TM.Options.EnableStaticDataPartitioning) {
-    JumpTableSection =
-        TLOF.getSectionForJumpTable(F, TM, &JT[JumpTableIndices.front()]);
-  } else {
-    JumpTableSection = TLOF.getSectionForJumpTable(F, TM);
-  }
 
-  const DataLayout &DL = MF->getDataLayout();
+  const bool UseLabelDifference =
+      (MJTI.getEntryKind() == MachineJumpTableInfo::EK_LabelDifference32 ||
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mingmingl-llvm wrote:

done.

https://github.com/llvm/llvm-project/pull/125993