[llvm] [IR2Vec] Adding unit tests (PR #141873)

[S. VenkataKeerthy via llvm-commits]

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@@ -31,6 +31,7 @@ unittest("AnalysisTests") {
     "FunctionPropertiesAnalysisTest.cpp",
     "GlobalsModRefTest.cpp",
     "GraphWriterTest.cpp",
+    "IR2VecTest.cpp",
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svkeerthy wrote:

Okay. Reverted.

https://github.com/llvm/llvm-project/pull/141873