llvm/llvm/test/CodeGen/MLRegAlloc/Inputs/interactive_main.py

import log_reader
import interactive_host
import sys

from typing import Sequence

def main(args):
    # this advisor just picks the first legal register to evict, which is
    # identifiable by the "mask" feature
    class Advisor:
        to_return = False

        def advice(self, tensor_values: Sequence[log_reader.TensorValue]):
            for tv in tensor_values:
                if tv.spec().name != "mask":
                    continue
                for i, v in enumerate(tv):
                    if v == 1:
                        return i
            # i.e. invalid:
            return -1

    a = Advisor()
    interactive_host.run_interactive(args[0], a.advice, args[1:])


if __name__ == "__main__":
    main(sys.argv[1:])