1# Copyright (C) 2015 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15.class public LEquivalent;
16
17.super Ljava/lang/Object;
18
19.method public static method([I)V
20   .registers 3
21   const/4 v0, 0
22   if-eq p0, v0, :first_if
23   move-object v0, p0
24   :first_if
25   if-eqz v0, :second_if
26   # Having this move-object used to confuse the type propagation
27   # phase of the optimizing compiler: the phase propagates types
28   # based on uses, but a move-object disappears after SSA, leaving
29   # the compiler with a reference equivalent that has no use. So
30   # we would consider the phi equivalent reference of v0, as dead,
31   # even though it is the one that has the correct type.
32   move-object v1, v0
33   :second_if
34   return-void
35.end method
36