[llvm] [DebugInfo][RemoveDIs] Emulate inserting insts in dbg.value sequences (PR #73350)

[Jeremy Morse via llvm-commits]

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@@ -267,6 +267,19 @@ void DPMarker::dropOneDPValue(DPValue *DPV) {
   DPV->deleteInstr();
 }
 
+std::optional<DPValue::self_iterator> DPMarker::getReinsertionPosition() {
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jmorse wrote:

Uuuuhhhh. Yeah, I think it does.

It's really not clear where this method should be placed -- I think it was in originally in BasicBlock, then I moved it here.... how would you feel about it being back in BasicBlock?

https://github.com/llvm/llvm-project/pull/73350