[llvm] [llvm-ir2vec][MIR2Vec] Supporting MIR mode in triplet and entity generation (PR #164329)

[Mircea Trofin via llvm-commits]

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@@ -111,6 +111,11 @@ class MIRVocabulary {
     size_t TotalEntries = 0;
   } Layout;
 
+  // ToDo: See if we can have only one reg classes section instead of physical
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mtrofin wrote:

"FIXME" not ToDo

https://github.com/llvm/llvm-project/pull/164329