[all-commits] [llvm/llvm-project] e3c759: [LoopLoadElim] Pass ScalarEvolution in old pass ma...

[max-azul via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e3c759bd583db3ff71ed6607103f75848287af26
      https://github.com/llvm/llvm-project/commit/e3c759bd583db3ff71ed6607103f75848287af26
  Author: Max Kazantsev <mkazantsev at azul.com>
  Date:   2021-02-15 (Mon, 15 Feb 2021)

  Changed paths:
    M llvm/lib/Transforms/Scalar/LoopLoadElimination.cpp
    A llvm/test/Transforms/LoopLoadElim/pr-49141.ll

  Log Message:
  -----------
  [LoopLoadElim] Pass ScalarEvolution in old pass manager. PR49141

Loop canonicalization may end up deleting blocks from CFG. And
Scalar Evolution may still keep cached referenced to those blocks
unless updated properly.