[llvm] [CFI][ThinLTO] Remove the need for CFI calculating ThinLTO GUIDs (PR #201370)

[Mircea Trofin via llvm-commits]

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@@ -1317,72 +1319,75 @@ struct TypeIdSummary {
   std::map<uint64_t, WholeProgramDevirtResolution> WPDRes;
 };
 
+/// Encapsulate the names of CFI target functions. It interfaces with ThinLTO to
+/// determine efficiently which of the names need to be exported for a
+/// particular module.
 class CfiFunctionIndex {
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mtrofin wrote:

If y'all OK with using Graphite, I can prep the NFC right away, too.

https://github.com/llvm/llvm-project/pull/201370