[PATCH] D102550: [ValueTracking] Mark GEP operand as nonnull if the result was loaded or stored

[Danila Kutenin via Phabricator via llvm-commits]

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Nonnull inbounds GEP cannot be obtained from null pointer. So I decided to mark the GEP operand as non null if this happens. This saves around 0.05%-0.1% of the binary size at Google. I don't have commit rights. Danila Kutenin. kutdanila at yandex.ru


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D102550

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Analysis/ValueTracking/known-nonnull-at.ll
  llvm/test/Transforms/InstCombine/select-cmp-br.ll

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