[clang] [SSAF][SourceTransform] Add '--ssaf-link-unit-id=' for specifying link unit IDs (PR #218823)

[Ziqing Luo via cfe-commits]

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@@ -11,6 +11,8 @@
 // HELP-NEXT:    Path to the WPASuite file containing the whole-program analysis result consumed by the source transformation. The extension selects which file format to use.
 // HELP-NEXT:  --ssaf-include-local-entities
 // HELP-NEXT:    Include block-scope (function-local) declarations in extracted SSAF summaries. By default they are omitted.
+// HELP-NEXT:  --ssaf-link-unit-id=<id>
+// HELP-NEXT:    Stable identifier used as the LinkUnit namespace name of every produced SSAF link unit.
 // HELP-NEXT:  --ssaf-list-extractors  Display the list of available SSAF summary extractors
 // HELP-NEXT:  --ssaf-list-formats     Display the list of available SSAF serialization formats
 // HELP-NEXT:  --ssaf-no-extract-from-system-headers
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ziqingluo-90 wrote:

aha, good point!

https://github.com/llvm/llvm-project/pull/218823