[all-commits] [llvm/llvm-project] 3c9cf0: Revert "[LCSSA] Don't invalidate SCEV"

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3c9cf023db32ba2cfa1e052ddc58f57dd080995c
      https://github.com/llvm/llvm-project/commit/3c9cf023db32ba2cfa1e052ddc58f57dd080995c
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2023-06-05 (Mon, 05 Jun 2023)

  Changed paths:
    M llvm/lib/Transforms/Utils/LCSSA.cpp

  Log Message:
  -----------
  Revert "[LCSSA] Don't invalidate SCEV"

This reverts commit 5cbb9f7a58d98ba432c6ddeefa581f6fc521315c.

Causes verifier error reported at
https://reviews.llvm.org/D149331#4387931.


  Commit: 79115aebb759eb1ef8cdcc35f228d88f70c7bfc2
      https://github.com/llvm/llvm-project/commit/79115aebb759eb1ef8cdcc35f228d88f70c7bfc2
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2023-06-05 (Mon, 05 Jun 2023)

  Changed paths:
    A llvm/test/Transforms/LoopUnroll/scev-invalidation-lcssa.ll

  Log Message:
  -----------
  [LoopUnroll] Add test for SCEV invalidation issue (NFC)

Test for the issue reported at https://reviews.llvm.org/D149331#4387931.


Compare: https://github.com/llvm/llvm-project/compare/26fee2b3cb71...79115aebb759