[all-commits] [llvm/llvm-project] 316e10: [ConstraintElimination] Transfer info from ULT to ...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 316e106f49c4c86f3485d69d1539e2aed12251c0
      https://github.com/llvm/llvm-project/commit/316e106f49c4c86f3485d69d1539e2aed12251c0
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2022-06-23 (Thu, 23 Jun 2022)

  Changed paths:
    M llvm/lib/Transforms/Scalar/ConstraintElimination.cpp
    M llvm/test/Transforms/ConstraintElimination/geps-unsigned-predicates.ll
    M llvm/test/Transforms/ConstraintElimination/transfer-unsigned-facts-to-signed.ll

  Log Message:
  -----------
  [ConstraintElimination] Transfer info from ULT to signed system.

If A u< B holds, then A s>= 0 && A s< B holds if B s>= 0.

https://alive2.llvm.org/ce/z/RrNxHh