[llvm] [CodeGen][NewPM] Port LiveDebugVariables to NPM (PR #115468)

[Matt Arsenault via llvm-commits]

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@@ -1504,8 +1520,8 @@ void LDVImpl::splitRegister(Register OldReg, ArrayRef<Register> NewRegs) {
 
 void LiveDebugVariables::
 splitRegister(Register OldReg, ArrayRef<Register> NewRegs, LiveIntervals &LIS) {
-  if (pImpl)
-    static_cast<LDVImpl*>(pImpl)->splitRegister(OldReg, NewRegs);
+  if (PImpl)
+    static_cast<LDVImpl *>(PImpl.get())->splitRegister(OldReg, NewRegs);
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arsenm wrote:

Ditto 

https://github.com/llvm/llvm-project/pull/115468