chore: import upstream snapshot with attribution

python/tvm/tirx/script/builder/frame.py

@@ -0,0 +1,110 @@
+# 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.
+"""IRBuilder for TIR"""
+
+from tvm_ffi import register_object as _register_object
+
+from tvm.script.ir_builder.base import IRBuilderFrame
+from tvm.tirx import Buffer, Var
+
+
+@_register_object("script.ir_builder.tirx.TIRFrame")
+class TIRFrame(IRBuilderFrame): ...
+
+
+@_register_object("script.ir_builder.tirx.PrimFuncFrame")
+class PrimFuncFrame(TIRFrame): ...
+
+
+@_register_object("script.ir_builder.tirx.SSBlockFrame")
+class SBlockFrame(TIRFrame): ...
+
+
+@_register_object("script.ir_builder.tirx.SBlockInitFrame")
+class BlockInitFrame(TIRFrame): ...
+
+
+@_register_object("script.ir_builder.tirx.ForFrame")
+class ForFrame(TIRFrame):
+    def __enter__(self) -> Var | list[Var]:  # type: ignore[override]
+        super().__enter__()
+        return self.vars if len(self.vars) > 1 else self.vars[0]
+
+
+@_register_object("script.ir_builder.tirx.AssertFrame")
+class AssertFrame(TIRFrame): ...
+
+
+class LetFrame(TIRFrame):
+    def __enter__(self) -> Var:
+        super().__enter__()
+        return self.var
+
+
+class AllocateFrame(TIRFrame):
+    def __enter__(self) -> Buffer:
+        super().__enter__()
+        return self.buffer_var
+
+
+@_register_object("script.ir_builder.tirx.AttrFrame")
+class AttrFrame(TIRFrame): ...
+
+
+@_register_object("script.ir_builder.tirx.WhileFrame")
+class WhileFrame(TIRFrame): ...
+
+
+@_register_object("script.ir_builder.tirx.IfFrame")
+class IfFrame(TIRFrame): ...
+
+
+@_register_object("script.ir_builder.tirx.ThenFrame")
+class ThenFrame(TIRFrame): ...
+
+
+@_register_object("script.ir_builder.tirx.ElseFrame")
+class ElseFrame(TIRFrame): ...
+
+
+@_register_object("script.ir_builder.tirx.DeclBufferFrame")
+class DeclBufferFrame(TIRFrame):
+    def __enter__(self) -> Buffer:
+        super().__enter__()
+        return self.buffer
+
+
+@_register_object("script.ir_builder.tirx.LaunchThreadFrame")
+class LaunchThreadFrame(TIRFrame):
+    def __enter__(self) -> Var:
+        super().__enter__()
+        return self.iter_var.var
+
+
+@_register_object("script.ir_builder.tirx.ComposeOpFrame")
+class ComposeOpFrame(TIRFrame): ...
+
+
+@_register_object("script.ir_builder.tirx.AllocBufferFrame")
+class AllocBufferFrame(TIRFrame):
+    def __enter__(self) -> Buffer:
+        super().__enter__()
+        return self.buffer
+
+
+@_register_object("script.ir_builder.tirx.HintFrame")
+class HintFrame(TIRFrame): ...