[GitHub] [tvm] ZihengJiang commented on a change in pull request #9059: [Meta Schedule][M3c] Argument Info

[GitBox <gi...@apache.org>]

ZihengJiang commented on a change in pull request #9059:
URL: https://github.com/apache/tvm/pull/9059#discussion_r713557792



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File path: python/tvm/meta_schedule/arg_info.py
##########
@@ -0,0 +1,106 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+"""The argument information"""
+from typing import Any, List, Union
+
+from tvm._ffi import register_object
+from tvm.runtime import DataType, Object, ShapeTuple
+from tvm.tir import PrimFunc
+
+from . import _ffi_api
+from .utils import _json_de_tvm
+
+
+@register_object("meta_schedule.ArgInfo")
+class ArgInfo(Object):
+    """Argument information"""
+
+    def as_json(self) -> Any:
+        """Converts the ArgInfo to its corresponding JSON representation."""
+        return _json_de_tvm(_ffi_api.ArgInfoAsJSON(self))  # type: ignore # pylint: disable=no-member
+
+    @staticmethod
+    def from_json(json_obj: Any) -> "ArgInfo":
+        """Parse the argument information from a JSON object.
+
+        Parameters
+        ----------
+        json_obj : Any
+            The json object to parse.
+
+        Returns
+        -------
+        parsed : ArgInfo
+            The argument information parsed.
+        """
+        return _ffi_api.ArgInfoFromJSON(json_obj)  # type: ignore # pylint: disable=no-member
+
+    @staticmethod
+    def from_prim_func(func: PrimFunc) -> List["ArgInfo"]:
+        """Extract a list of the argument information from PrimFunc.
+
+        Parameters
+        ----------
+        func : PrimFunc
+            The PrimFunc to get argument information from.
+
+        Returns
+        -------
+        extracted : List[ArgInfo]
+            An array of the argument information derived.
+        """
+        return _ffi_api.ArgInfoFromPrimFunc(func)  # type: ignore # pylint: disable=no-member
+
+
+@register_object("meta_schedule.TensorInfo")
+class TensorInfo(ArgInfo):

Review comment:
       Should we support scalar argument?




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