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 LEquivalentPhi; 16 17 .super Ljava/lang/Object; 18 19 .method public static equivalentPhi([F)F 20 .registers 5 21 const/4 v0, 0x0 22 # aget is initally expected to be an int, but will 23 # rightly become a float after type propagation. 24 aget v1, p0, v0 25 move v2, v1 26 if-eq v0, v0, :else 27 move v2, v0 28 :else 29 # v2 will be a phi with (int, int) as input 30 move v3, v2 31 if-eq v0, v0, :else2 32 move v3, v0 33 # v3 will be a phi with (int, int) as input. 34 : else2 35 # This instruction will lead to creating a phi equivalent 36 # for v3 with float type, which in turn will lead to creating 37 # a phi equivalent for v2 of type float. We used to forget to 38 # delete the old phi, which ends up having incompatible input 39 # types. 40 return v3 41 .end method 42
