[all-commits] [llvm/llvm-project] 727635: [LSR] Clear SCEVExpander before calling DeleteDead...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 72763521c34287bce68402eb2a9d71dcb4eed5a0
      https://github.com/llvm/llvm-project/commit/72763521c34287bce68402eb2a9d71dcb4eed5a0
  Author: Nikita Popov <nikita.ppv at gmail.com>
  Date:   2024-02-22 (Thu, 22 Feb 2024)

  Changed paths:
    M llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
    A llvm/test/Transforms/LoopStrengthReduce/RISCV/term-fold-crash.ll

  Log Message:
  -----------
  [LSR] Clear SCEVExpander before calling DeleteDeadPHIs

To avoid an assertion failure when an AssertingVH is removed,
as reported in:
https://github.com/llvm/llvm-project/pull/82362#issuecomment-1960067147

Also remove an unnecessary use of SCEVExpanderCleaner.



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