[PATCH] D43759: [SCEV] Smarter logic in computeConstantDifference

Max Kazantsev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Feb 28 03:38:55 PST 2018

mkazantsev added inline comments.

Comment at: lib/Analysis/ScalarEvolution.cpp:9455
   Optional<APInt> LDiff = computeConstantDifference(LHS, FoundLHS);
   Optional<APInt> RDiff = computeConstantDifference(RHS, FoundRHS);
Also incorrect, because types of LHS and FoundLHS doesn't have to match.


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