[PATCH] D86050: [SCEV] Refactor isHighCostExpansionHelper

[Sam Parker via Phabricator via llvm-commits]

samparker added a comment.

> Please can you explain why the calculated costs changed for those X86 tests?

These were introduced once the Add and Mul expressions were costed in the same manner as when we're calculating for an AddRec. I'll remove the change for this patch and add it back in a follow-up.


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https://reviews.llvm.org/D86050