chore: import upstream snapshot with attribution

python/tvm/ir/global_info.py

@@ -0,0 +1,67 @@
+# 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.
+"""Global Info."""
+
+import tvm_ffi
+
+import tvm
+from tvm.runtime import Device, Object
+
+from . import _ffi_api
+
+
+@tvm_ffi.register_object("ir.GlobalInfo")
+class GlobalInfo(Object):
+    """Base node for all global info that can appear in the IR"""
+
+    def __eq__(self, other):
+        """Compare two global info objects for structural equivalence."""
+        return tvm_ffi.structural_equal(self, other)
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def same_as(self, other):
+        """Overload with structural equality."""
+        return super().__eq__(other)
+
+
+@tvm_ffi.register_object("ir.DummyGlobalInfo")
+class DummyGlobalInfo(GlobalInfo):
+    """DummyGlobalInfo"""
+
+    def __init__(self) -> None:
+        self.__init_handle_by_constructor__(
+            _ffi_api.DummyGlobalInfo,
+        )
+
+
+@tvm_ffi.register_object("ir.VDevice")
+class VDevice(GlobalInfo):
+    """VDevice"""
+
+    def __init__(
+        self,
+        target=None,
+        vdevice_id: int = 0,
+        memory_scope: str = "global",
+    ) -> None:
+        if isinstance(target, dict | str):
+            target = tvm.target.Target(tvm.runtime.convert(target))
+        if isinstance(target, Device):
+            target = tvm.target.Target.from_device(target)
+        self.__init_handle_by_constructor__(_ffi_api.VDevice, target, vdevice_id, memory_scope)