[PATCH] D142832: [ValueTracking] Add support in `isKnownNonZero` for dominating condition from `X > C1 && X < C2`

[Noah Goldstein via Phabricator via llvm-commits]

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`X > C1 && X < C2` is canonicalized to `X + C3 < C4`, so look through
`X + C` to try and find compares.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D142832

Files:
  llvm/include/llvm/IR/InstrTypes.h
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/lib/IR/Instructions.cpp
  llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
  llvm/test/Analysis/ValueTracking/known-non-zero-range.ll

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