chore: import upstream snapshot with attribution

tests/python/relax/test_lower_alloc_tensor.py

@@ -0,0 +1,46 @@
+# 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.
+
+import tvm
+import tvm.testing
+from tvm.relax.transform import LowerAllocTensor
+from tvm.script import ir as I
+from tvm.script import relax as R
+
+
+def test_basic():
+    @I.ir_module
+    class Before:
+        @R.function
+        def main():
+            x = R.builtin.alloc_tensor(R.shape([16, 32]), "float32", 0)
+            return x
+
+    @I.ir_module
+    class Expected:
+        @R.function
+        def main():
+            storage = R.memory.alloc_storage(R.shape([2048]), 0, "global", "uint8")
+            x = R.memory.alloc_tensor(storage, 0, R.shape([16, 32]), "float32")
+            return x
+
+    After = LowerAllocTensor()(Before)
+    tvm.ir.assert_structural_equal(Expected, After)
+
+
+if __name__ == "__main__":
+    tvm.testing.main()