| # 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 LEquivalentPhi; |
| |
| .super Ljava/lang/Object; |
| |
| .method public static equivalentPhi([F)F |
| .registers 5 |
| const/4 v0, 0x0 |
| # aget is initally expected to be an int, but will |
| # rightly become a float after type propagation. |
| aget v1, p0, v0 |
| move v2, v1 |
| if-eq v0, v0, :else |
| move v2, v0 |
| :else |
| # v2 will be a phi with (int, int) as input |
| move v3, v2 |
| if-eq v0, v0, :else2 |
| move v3, v0 |
| # v3 will be a phi with (int, int) as input. |
| : else2 |
| # This instruction will lead to creating a phi equivalent |
| # for v3 with float type, which in turn will lead to creating |
| # a phi equivalent for v2 of type float. We used to forget to |
| # delete the old phi, which ends up having incompatible input |
| # types. |
| return v3 |
| .end method |
