chore: import upstream snapshot with attribution

python/tvm/backend/trn/operator/tile_primitive/common.py

@@ -0,0 +1,43 @@
+# 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.
+
+"""Common utilities for TRN operator scheduling."""
+
+from tvm.arith.analyzer import Analyzer
+from tvm.tirx.operator.tile_primitive import DispatchContext
+
+# Used to generate the correct [:, None] for mask/predicate
+nki_dim = "nki_dim"
+
+
+def init_analyzer(sctx: DispatchContext):
+    """Initialize an analyzer with the dispatch context.
+
+    Parameters
+    ----------
+    sctx : DispatchContext
+        The dispatch context
+
+    Returns
+    -------
+    Analyzer :
+        The initialized analyzer
+    """
+    analyzer = Analyzer()
+    for v, r in sctx.var_range_map.items():
+        analyzer.bind(v, r)
+    return analyzer