[llvm] [llvm][CodeGen] Fix the issue caused by live interval checking in window scheduler (PR #123184)

[Matt Arsenault via llvm-commits]

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@@ -316,6 +317,7 @@ void WindowScheduler::generateTripleMBB() {
           (MI->isTerminator() && Cnt < DuplicateNum - 1))
         continue;
       auto *NewMI = MF->CloneMachineInstr(MI);
+      Context->LIS->RemoveMachineInstrFromMaps(*NewMI);
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arsenm wrote:

Ditto, this should have been added to the map? 

https://github.com/llvm/llvm-project/pull/123184