[PATCH] D89739: [LCSSA] Doc for special treatment of PHIs

[Stefanos Baziotis via Phabricator via llvm-commits]

baziotis added inline comments.


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Comment at: llvm/lib/Transforms/Utils/LCSSA.cpp:177-178
       PN->setDebugLoc(I->getDebugLoc());
-      // Add inputs from inside the loop for this PHI.
+      // Add inputs from inside the loop for this PHI. This is valid
+      // because `I` dominates `ExitBB`.
       for (BasicBlock *Pred : PredCache.get(ExitBB)) {
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Ah, I just saw that. Do you want me to put it in a separate diff ?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D89739/new/

https://reviews.llvm.org/D89739