[llvm] [llvm-ir2vec] adding function-embedding map API to ir2vec python bindings (PR #177166)

[Nishant Sachdeva via llvm-commits]

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@@ -151,6 +151,41 @@ void IR2VecTool::writeEntitiesToStream(raw_ostream &OS) {
     OS << Entities[EntityID] << '\t' << EntityID << '\n';
 }
 
+std::pair<const Function *, Embedding>
+IR2VecTool::getFunctionEmbedding(const Function &F, IR2VecKind Kind) const {
+  assert(Vocab && Vocab->isValid() && "Vocabulary not initialized");
+
+  if (F.isDeclaration())
+    return {nullptr, Embedding()};
+
+  auto Emb = Embedder::create(Kind, F, *Vocab);
+  if (!Emb) {
+    return {nullptr, Embedding()};
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nishant-sachdeva wrote:

Nope, that's a miss on my end. Probably a debug artifact that's creeped into the main code. 
Accepting this

https://github.com/llvm/llvm-project/pull/177166