[all-commits] [llvm/llvm-project] 051777: Delete unused PoisonChecking utility pass

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0517772b4ac20c5d3a0de0d4703354a179833248
      https://github.com/llvm/llvm-project/commit/0517772b4ac20c5d3a0de0d4703354a179833248
  Author: Philip Reames <preames at rivosinc.com>
  Date:   2024-12-19 (Thu, 19 Dec 2024)

  Changed paths:
    R llvm/include/llvm/Transforms/Instrumentation/PoisonChecking.h
    M llvm/lib/Passes/PassBuilder.cpp
    M llvm/lib/Passes/PassRegistry.def
    M llvm/lib/Transforms/Instrumentation/CMakeLists.txt
    R llvm/lib/Transforms/Instrumentation/PoisonChecking.cpp
    R llvm/test/Instrumentation/PoisonChecking/basic-flag-validation.ll
    R llvm/test/Instrumentation/PoisonChecking/ub-checks.ll
    M llvm/utils/gn/secondary/llvm/lib/Transforms/Instrumentation/BUILD.gn

  Log Message:
  -----------
  Delete unused PoisonChecking utility pass

This was introduced ~5yrs ago (by me), and has never really gotten
any adoption.  By now, it's significantly out of sync with new/changed
poison propoagation rules.  The idea is still reasonable, but the
imagined use case is largely covered by alive2 these days anyways.



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