[PATCH] D137910: [SimpleLoopUnswitch] Forget loop if its one of user was replaced

[luxufan via Phabricator via llvm-commits]

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Replacing user in loop may change the scalar evolution in this loop. So
we need to forget this loop.

Fixes: https://github.com/llvm/llvm-project/issues/58868


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D137910

Files:
  llvm/lib/Transforms/Scalar/SimpleLoopUnswitch.cpp
  llvm/test/Transforms/SimpleLoopUnswitch/pr58868.ll

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