[PATCH] D74066: [ValueTracking] usub(a, b) cannot overflow if a >= b.

Florian Hahn via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Feb 7 02:48:13 PST 2020


This revision was automatically updated to reflect the committed changes.
Closed by commit rG14ef87bda67d: [ValueTracking] usub(a, b) cannot overflow if a >= b. (authored by fhahn).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D74066/new/

https://reviews.llvm.org/D74066

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Transforms/InstCombine/usub-overflow-known-by-implied-cond.ll

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