[llvm-branch-commits] [llvm] [KeyInstr][JumpThreading] Remap atoms in blocks duplicated for threading (PR #133486)

[Jeremy Morse via llvm-branch-commits]

================
@@ -2314,6 +2326,7 @@ void 
JumpThreadingPass::threadThroughTwoBasicBlocks(BasicBlock *PredPredBB,
        {DominatorTree::Insert, PredPredBB, NewBB},
        {DominatorTree::Delete, PredPredBB, PredBB}});
 
+  remapSourceAtoms(ValueMapping, NewBB->begin(), NewBB->end());
----------------
jmorse wrote:

I'd say "comment pls", but I suppose the fact there's "source" in the name 
gives a hint as to what's going on.

https://github.com/llvm/llvm-project/pull/133486
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