[PATCH] D94712: Do not traverse ConstantData use-list in LookInterchange

Florian Hahn via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jan 18 12:04:31 PST 2021


fhahn added inline comments.


================
Comment at: llvm/lib/Transforms/Scalar/LoopInterchange.cpp:664
 static PHINode *findInnerReductionPhi(Loop *L, Value *V) {
+  if (isa<Constant>(V))
+    return nullptr;
----------------
Could you add a comment with the reasoning for the early exit here?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D94712/new/

https://reviews.llvm.org/D94712



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