[PATCH] D125792: [SCEV] Use nowrap flags to infer that start > start - stride in howManyLessThans

Eli Friedman via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue May 17 12:34:57 PDT 2022


efriedma added a comment.

It isn't enough that AddRec is nowrap; you have to prove that the initial value of the AddRec was produced by a nowrap add.

I should probably get https://reviews.llvm.org/D106331 landed, assuming it still applies; forgot I never merged it.


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D125792



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