https://github.com/llvm/llvm-project/pull/155114 broke op hashing (because the python objects ceased to be reference equivalent). This PR fixes by binding `OperationEquivalence::computeHash`.
https://github.com/llvm/llvm-project/pull/155114 broke op hashing (because the python objects ceased to be reference equivalent). This PR fixes by binding `OperationEquivalence::computeHash`.