[llvm] [MemProf] Add option to print function GUIDs during matching (PR #170946)

[Snehasish Kumar via llvm-commits]

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@@ -77,6 +77,13 @@ HeapProfileRecords:
       # Kept empty here because this section is irrelevant for this test.
 ...
 ;--- memprof-dump-matched-alloc-site.ll
+
+;; From -memprof-function-guids
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snehasish wrote:

Don't forget to update the comment if you make the option name change.

https://github.com/llvm/llvm-project/pull/170946