[llvm] update_test_checks: Relax DIFile filename checks (PR #135692)

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -2358,7 +2358,7 @@ def add(var):
         r"(?<=\")(.+ )?(\w+ version )[\d.]+(?:[^\" ]*)(?: \([^)]+\))?",
         r"{{.*}}\2{{.*}}",
     ),  # preface with glob also, to capture optional CLANG_VENDOR
-    (r'(!DIFile\(filename: ".+", directory: )".+"', r"\1{{.*}}"),
+    (r'(!DIFile\(filename: ")(.+/)?([^/]+", directory: )".+"', r"\1{{.*}}\3{{.*}}"),
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OCHyams wrote:

Do we get file paths in the filename field? (off the top of my head I can't remember - I assume that's why you've added the `{{.*}}` prefix to file base names here?)

https://github.com/llvm/llvm-project/pull/135692