[llvm] [CI] Reduce false positives in UndefGetFormatHelper (PR #134687)

[via llvm-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {darker}-->


:warning: Python code formatter, darker found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
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``````````bash
darker --check --diff -r HEAD~1...HEAD llvm/utils/git/code-format-helper.py
``````````

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<details>
<summary>
View the diff from darker here.
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``````````diff
--- code-format-helper.py	2025-04-07 16:55:11.000000 +0000
+++ code-format-helper.py	2025-04-07 16:57:35.998327 +0000
@@ -389,11 +389,13 @@
             if filename.endswith(".ll"):
                 undef_regex = r"\bundef\b"
             else:
                 undef_regex = r"UndefValue::get"
             # search for additions of undef
-            if re.search(r"^[+](?!\s*#\s*).*(" + undef_regex + r")", file, re.MULTILINE):
+            if re.search(
+                r"^[+](?!\s*#\s*).*(" + undef_regex + r")", file, re.MULTILINE
+            ):
                 files.append(filename)
 
         if not files:
             return None
 

``````````

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https://github.com/llvm/llvm-project/pull/134687