[all-commits] [llvm/llvm-project] 00200d: [LV] Add test case for PR52024.

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 00200dbda31674e597493e3f05fcb293d7b3dc4a
      https://github.com/llvm/llvm-project/commit/00200dbda31674e597493e3f05fcb293d7b3dc4a
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2021-11-18 (Thu, 18 Nov 2021)

  Changed paths:
    M llvm/test/Transforms/LoopVectorize/scev-during-mutation.ll

  Log Message:
  -----------
  [LV] Add test case for PR52024.

This patch adds a reduced version of the test case from PR52024.

Together with 764d9aa97905 the test causes a crash, because LV expands a
SCEV expression during code generation, when the dominator tree is not
up-to-date.