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# Copyright (C) 2014 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 LTypePropagation;
.super Ljava/lang/Object;
.method public static method([I)V
.registers 3
const/4 v0, 0
aget v1, v2, v0
add-int v2, v1, v0
if-eq v1, v0, :end
# Putting a float in v1 will lead to the creation of a phi with one
# float input and one integer input. Since the SSA builder trusts
# the verifier, it assumes that the integer input must be converted
# to float. However, since v0 is not used afterwards, the verifier
# hasn't ensured that. Therefore, the compiler must remove
# the phi prior to doing type propagation.
int-to-float v1, v0
:end
# Do a call to create an environment that will capture all Dex registers.
# This environment is the reason why a phi is created at the join block
# of the if.
invoke-static {}, LTypePropagation;->emptyMethod()V
return-void
.end method
.method public static emptyMethod()V
.registers 0
return-void
.end method
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