36 lines
1.2 KiB
Smali
36 lines
1.2 KiB
Smali
# Copyright (C) 2015 The Android Open Source Project
|
|
#
|
|
# Licensed 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.
|
|
|
|
.class public LEquivalent;
|
|
|
|
.super Ljava/lang/Object;
|
|
|
|
.method public static method([I)V
|
|
.registers 3
|
|
const/4 v0, 0
|
|
if-eq p0, v0, :first_if
|
|
move-object v0, p0
|
|
:first_if
|
|
if-eqz v0, :second_if
|
|
# Having this move-object used to confuse the type propagation
|
|
# phase of the optimizing compiler: the phase propagates types
|
|
# based on uses, but a move-object disappears after SSA, leaving
|
|
# the compiler with a reference equivalent that has no use. So
|
|
# we would consider the phi equivalent reference of v0, as dead,
|
|
# even though it is the one that has the correct type.
|
|
move-object v1, v0
|
|
:second_if
|
|
return-void
|
|
.end method
|