[llvm] UTC: support debug output from LDist (PR #93208)

[Nikita Popov via llvm-commits]

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@@ -0,0 +1,6 @@
+## Basic test checking that update_analyze_test_checks.py works correctly
+# RUN: cp -f %S/Inputs/loop-distribute.ll %t.ll && %update_analyze_test_checks %t.ll
+# RUN: diff -u %t.ll %S/Inputs/loop-distribute.ll.expected
+## Check that running the script again does not change the result:
+# RUN: %update_analyze_test_checks %t.ll
+# RUN: diff -u %t.ll %S/Inputs/loop-distribute.ll.expected
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nikic wrote:

You probably need to require asserts, otherwise debug-only is not available.

https://github.com/llvm/llvm-project/pull/93208