52b1850759
Comparison predicates (equal, not equal, greater than, etc.) provide important semantic information about program behavior. Previously, IR2Vec only captured that a comparison was happening but not what kind of comparison it was. This PR extends the IR2Vec vocabulary to include comparison predicates (ICmp and FCmp) as part of the embedding space. Following are the changes: 1. Expand the vocabulary slot layout to include predicate entries after opcodes, types, and operands 2. Add methods to handle predicate embedding lookups and conversions 3. Update the embedder implementations to include predicate information when processing CmpInst instructions 4. Update test files to include the new predicate entries in the vocabulary (Tracking issues: #141817, #141833)
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