42 lines
1.3 KiB
Smali
42 lines
1.3 KiB
Smali
# Copyright (C) 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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.class public LEquivalentPhi;
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.super Ljava/lang/Object;
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.method public static equivalentPhi([F)F
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.registers 5
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const/4 v0, 0x0
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# aget is initally expected to be an int, but will
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# rightly become a float after type propagation.
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aget v1, p0, v0
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move v2, v1
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if-eq v0, v0, :else
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move v2, v0
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:else
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# v2 will be a phi with (int, int) as input
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move v3, v2
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if-eq v0, v0, :else2
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move v3, v0
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# v3 will be a phi with (int, int) as input.
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: else2
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# This instruction will lead to creating a phi equivalent
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# for v3 with float type, which in turn will lead to creating
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# a phi equivalent for v2 of type float. We used to forget to
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# delete the old phi, which ends up having incompatible input
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# types.
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return v3
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.end method
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