chore: import upstream snapshot with attribution

python/tvm/relax/distributed/transform/transform.py

@@ -0,0 +1,68 @@
+# 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.
+# pylint: disable=invalid-name
+"""Relax distributed-related transformation passes."""
+
+import tvm.ir
+
+from . import _ffi_api
+
+
+def PropagateSharding() -> tvm.ir.transform.Pass:
+    """Propagate sharding information.
+
+    Returns
+    -------
+    ret : tvm.transform.Pass
+        The registered pass
+    """
+    return _ffi_api.PropagateSharding()  # type: ignore
+
+
+def LowerGlobalViewToLocalView() -> tvm.ir.transform.Pass:
+    """Lower global view TIR to local view
+
+    Returns
+    -------
+    ret : tvm.transform.Pass
+        The registered pass
+    """
+    return _ffi_api.LowerGlobalViewToLocalView()  # type: ignore
+
+
+def LegalizeRedistribute() -> tvm.ir.transform.Pass:
+    """Legalize redistribute op to ccl op.
+    S->R: R.ccl.allgather
+    R->S: R.dist.redistribute_replica_to_shard
+
+    Returns
+    -------
+    ret : tvm.transform.Pass
+        The registered pass
+    """
+    return _ffi_api.LegalizeRedistribute()  # type: ignore
+
+
+def LowerDistIR() -> tvm.ir.transform.Pass:
+    """Lower DistIR to Relax
+
+    Returns
+    -------
+    ret : tvm.transform.Pass
+        The registered pass
+    """
+    return _ffi_api.LowerDistIR()  # type: ignore