[PATCH] D73728: [SCEV] SCEVExpander::isHighCostExpansionHelper(): cost-model add/mul

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev added inline comments.


================
Comment at: llvm/lib/Analysis/ScalarEvolutionExpander.cpp:2247
+        continue;
+      BudgetRemaining -= PairCost;
+    }
----------------
mkazantsev wrote:
> Just a suggestion, feel free to ignore: break if `BudgetRemaining` goes below zero in the loop to save time processing really huge SCEVs with many operands.
Or actually nvm, I guess it should be handled inside the helper.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73728/new/

https://reviews.llvm.org/D73728