[llvm] [AsmPrinter][ELF] Support profile-guided section prefix for jump tables' (read-only) data sections (PR #122215)

[Snehasish Kumar via llvm-commits]

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@@ -2923,27 +2991,27 @@ void AsmPrinter::emitJumpTableInfo() {
       // FIXME: This doesn't have to have any specific name, just any randomly
       // named and numbered local label started with 'l' would work.  Simplify
       // GetJTISymbol.
-      OutStreamer->emitLabel(GetJTISymbol(JTI, true));
+      OutStreamer->emitLabel(GetJTISymbol(JumpTableIndex, true));
 
-    MCSymbol* JTISymbol = GetJTISymbol(JTI);
+    MCSymbol *JTISymbol = GetJTISymbol(JumpTableIndex);
     OutStreamer->emitLabel(JTISymbol);
 
     // Defer MCAssembler based constant folding due to a performance issue. The
     // label differences will be evaluated at write time.
     for (const MachineBasicBlock *MBB : JTBBs)
-      emitJumpTableEntry(MJTI, MBB, JTI);
+      emitJumpTableEntry(MJTI, MBB, JumpTableIndex);
   }
 
   if (EmitJumpTableSizesSection)
-    emitJumpTableSizesSection(MJTI, F);
+    emitJumpTableSizesSection(MJTI, MF->getFunction());
 
   if (!JTInDiffSection)
     OutStreamer->emitDataRegion(MCDR_DataRegionEnd);
 }
 
-void AsmPrinter::emitJumpTableSizesSection(const MachineJumpTableInfo *MJTI,
+void AsmPrinter::emitJumpTableSizesSection(const MachineJumpTableInfo &MJTI,
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snehasish wrote:

It would be good to split out the pointer to ref changes as a separate PR and commit it as NFC.

https://github.com/llvm/llvm-project/pull/122215