================
@@ -1182,6 +1187,19 @@ static void
cloneInstructionsIntoPredecessorBlockAndUpdateSSAUses(
U.set(NewBonusInst);
}
}
+
+ // Key Instructions: We may have propagated atom info into the pred. If the
+ // pred's terminator already has atom info do nothing as merging would drop
+ // one atom group anyway. If it doesn't, propagte the remapped atom group
+ // from BB's terminator.
+ if (auto &PredDL = PredBlock->getTerminator()->getDebugLoc()) {
----------------
SLTozer wrote:
```suggestion
if (auto &PredDL = PTI->getDebugLoc()) {
```
If I understand it, `PTI` is still `PredBlock`'s terminator?
https://github.com/llvm/llvm-project/pull/133482
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