[llvm] [DebugInfo][RemoveDIs] Instrument loop-rotate for DPValues (PR #72997)

[Jeremy Morse via llvm-commits]

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@@ -551,7 +601,15 @@ bool LoopRotate::rotateLoop(Loop *L, bool SimplifiedLatch) {
       if (L->hasLoopInvariantOperands(Inst) && !Inst->mayReadFromMemory() &&
           !Inst->mayWriteToMemory() && !Inst->isTerminator() &&
           !isa<DbgInfoIntrinsic>(Inst) && !isa<AllocaInst>(Inst)) {
+
+        auto DbgValueRange = LoopEntryBranch->cloneDebugInfoFrom(Inst, NextDbgInst);
+        // Remap any new instructions,
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jmorse wrote:

Removed, and shuffled the 'clone' into the guard. I think it should be self explanatory.

https://github.com/llvm/llvm-project/pull/72997