[PATCH] D134048: [ConstraintElimination] Simplify usub(a,b) if a s>=b.

[Zain Jaffal via Phabricator via llvm-commits]

zjaffal created this revision.
zjaffal added reviewers: fhahn, spatel, nikic, reames, rapidsna, fcloutier.
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This optimization follows the work from D125264 <https://reviews.llvm.org/D125264>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D134048

Files:
  llvm/lib/Transforms/Scalar/ConstraintElimination.cpp
  llvm/test/Transforms/ConstraintElimination/usub-with-overflow.ll

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