mtrofin added inline comments.

================
Comment at: llvm/utils/update_analyze_test_checks.py:129
+    
+    common.warn_on_failed_prefixes(func_dict)
     is_in_function = False
----------------
pengfei wrote:
> Can we move these warn to common.py?
Come to think of it, maybe moving it to common.py was not quite ideal:
- once a warning is issued in the middle of the list of RUN lines, it'll just 
be re-issued next time around; we could warn and exit, but that'd be annoying 
if there's another failure later in the RUN list.
- if we do it at the end, we can additionally distinguish the case where a 
prefix has an empty dict of funcs associated with it -> and the warning would 
be "there are unused prefixes - please remove %s'. This is more discoverable 
than llvm-lit -a, and also than relying on the user knowing to run 
uplate_test_prefix.

I think that the benefits (discoverability, better, more concise warnings) make 
the extra 2-3 lines worth it; and we already have tests for these other tools - 
wdyt?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D93078/new/

https://reviews.llvm.org/D93078

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