[llvm] [CodeGen][NewPM] Port `AsmPrinter` to new pass manager (PR #99320)

[Akshat Oke via llvm-commits]

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@@ -138,8 +138,8 @@ bool LLVMTargetMachine::addAsmPrinter(PassManagerBase &PM,
     return true;
 
   // Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
-  FunctionPass *Printer =
-      getTarget().createAsmPrinter(*this, std::move(*MCStreamerOrErr));
+  AsmPrinterLegacy *Printer =
+      getTarget().createAsmPrinterLegacy(*this, std::move(*MCStreamerOrErr));
   if (!Printer)
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optimisan wrote:

Is `createAsmPrinterLegacy(getTarget().createAsmPrinter(...))` possible here? (and then remove the AsmPrinterLegacyCtorFn)

https://github.com/llvm/llvm-project/pull/99320