xref: /aosp_15_r20/external/executorch/backends/arm/operators/op_view.py (revision 523fa7a60841cd1ecfb9cc4201f1ca8b03ed023a)
1# Copyright 2023-2024 Arm Limited and/or its affiliates.
2#
3# This source code is licensed under the BSD-style license found in the
4# LICENSE file in the root directory of this source tree.
5
6# pyre-unsafe
7from typing import List
8
9import serializer.tosa_serializer as ts
10import torch
11import tosa.Op as TosaOp
12
13from executorch.backends.arm.operators.node_visitor import (
14    NodeVisitor,
15    register_node_visitor,
16)
17from executorch.backends.arm.tosa_mapping import TosaArg
18from executorch.backends.arm.tosa_utils import tosa_shape
19
20
21@register_node_visitor
22class ViewVisitor(NodeVisitor):
23    target = "aten.view_copy.default"
24
25    def __init__(self, *args):
26        super().__init__(*args)
27
28    def define_node(
29        self,
30        node: torch.fx.Node,
31        tosa_graph: ts.TosaSerializer,
32        inputs: List[TosaArg],
33        output: TosaArg,
34        is_quant_node: bool,
35    ) -> None:
36        attr = ts.TosaSerializerAttribute()
37        new_shape = tosa_shape(inputs[1].special, output.dim_order)
38        attr.ReshapeAttribute(new_shape)
39        tosa_graph.addOperator(
40            TosaOp.Op().RESHAPE, [inputs[0].name], [output.name], attr
41        )
42