[all-commits] [llvm/llvm-project] 19bc28: Add PR check to suggest alternatives to using unde...

[Nuno Lopes via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 19bc282320ba4d2e961e287f110b9110297ae3ee
      https://github.com/llvm/llvm-project/commit/19bc282320ba4d2e961e287f110b9110297ae3ee
  Author: Nuno Lopes <nuno.lopes at tecnico.ulisboa.pt>
  Date:   2024-12-11 (Wed, 11 Dec 2024)

  Changed paths:
    M llvm/utils/git/code-format-helper.py

  Log Message:
  -----------
  Add PR check to suggest alternatives to using undef (#118506)

As discussed in
https://discourse.llvm.org/t/please-dont-use-undef-in-tests-part-2/83388,
this patch adds a comment to PRs that introduce new uses of undef.

It uses the the `git diff -S' command to find new uses, avoiding warning
about old uses. It further trims down with a regex to get only added (+)
lines.



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