a.cc

    auto getProcAddress = [=](const char* sym_name) mutable {
      for (auto funcOp : moduleOp.getOps<mlir::FuncOp>()) {
        if (funcOp.sym_name() == sym_name) {
          return funcOp;
        }
      }
      llvm::errs() << "No function named `" << sym_name << "` in module.\n";
      signalPassFailure();
      return mlir::FuncOp();
    };

    FuncOps funcOps;
    funcOps.actual = getProcAddress("actual_matmul");
    funcOps.expected = getProcAddress("expected_matmul");
    funcOps.zeroMatrix = getProcAddress("zero_matrix");
    funcOps.pseudorandomMatrix = getProcAddress("pseudorandom_matrix");
    funcOps.identityMatrix = getProcAddress("identity_matrix");