| # 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 |
