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# Copyright (C) 2017 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 LStoreLoad;
.super Ljava/lang/Object;
## CHECK-START: int StoreLoad.test(int) load_store_elimination (before)
## CHECK-DAG: <<Arg:i\d+>> ParameterValue
## CHECK-DAG: StaticFieldSet [{{l\d+}},<<Arg>>] field_name:StoreLoad.byteField
## CHECK-DAG: StaticFieldSet [{{l\d+}},<<Arg>>] field_name:StoreLoad.byteField2
## CHECK-DAG: <<Val:b\d+>> StaticFieldGet [{{l\d+}}] field_name:StoreLoad.byteField
## CHECK-DAG: <<Val2:b\d+>> StaticFieldGet [{{l\d+}}] field_name:StoreLoad.byteField2
## CHECK-DAG: <<Val3:i\d+>> Add [<<Val>>,<<Val2>>]
## CHECK-DAG: Return [<<Val3>>]
## CHECK-START: int StoreLoad.test(int) load_store_elimination (after)
## CHECK-NOT: StaticFieldGet
## CHECK-START: int StoreLoad.test(int) load_store_elimination (after)
## CHECK-DAG: <<Arg:i\d+>> ParameterValue
## CHECK-DAG: StaticFieldSet [{{l\d+}},<<Arg>>] field_name:StoreLoad.byteField
## CHECK-DAG: StaticFieldSet [{{l\d+}},<<Arg>>] field_name:StoreLoad.byteField2
## CHECK-DAG: <<Conv:b\d+>> TypeConversion [<<Arg>>]
## CHECK-DAG: <<Val3:i\d+>> Add [<<Conv>>,<<Conv>>]
## CHECK-DAG: Return [<<Val3>>]
.method public static test(I)I
.registers 2
sput-byte v1, LStoreLoad;->byteField:B
sput-byte v1, LStoreLoad;->byteField2:B
sget-byte v0, LStoreLoad;->byteField:B
sget-byte v1, LStoreLoad;->byteField2:B
add-int/2addr v0, v1
return v0
.end method
## CHECK-START: int StoreLoad.test2(int) load_store_elimination (before)
## CHECK-DAG: <<Arg:i\d+>> ParameterValue
## CHECK-DAG: StaticFieldSet [{{l\d+}},<<Arg>>] field_name:StoreLoad.byteField
## CHECK-DAG: Return [<<Arg>>]
## CHECK-START: int StoreLoad.test2(int) load_store_elimination (after)
## CHECK-NOT: TypeConversion
.method public static test2(I)I
.registers 1
sput-byte v0, LStoreLoad;->byteField:B
return v0
.end method
## CHECK-START: int StoreLoad.test3(int) load_store_elimination (before)
## CHECK-DAG: StaticFieldSet
## CHECK-DAG: StaticFieldSet
## CHECK-DAG: StaticFieldGet
## CHECK-DAG: StaticFieldSet
## CHECK-DAG: TypeConversion
## CHECK-DAG: Phi
## CHECK-DAG: StaticFieldGet
## CHECK-START: int StoreLoad.test3(int) load_store_elimination (after)
## CHECK-DAG: StaticFieldSet
## CHECK-DAG: StaticFieldSet
## CHECK-DAG: TypeConversion
## CHECK-DAG: StaticFieldSet
## CHECK-DAG: Phi
## CHECK-DAG: Phi
## CHECK-START: int StoreLoad.test3(int) load_store_elimination (after)
## CHECK: Phi
## CHECK: Phi
## CHECK-NOT: Phi
## CHECK-START: int StoreLoad.test3(int) load_store_elimination (after)
## CHECK: TypeConversion
## CHECK-NOT: TypeConversion
## CHECK-START: int StoreLoad.test3(int) load_store_elimination (after)
## CHECK-NOT: StaticFieldGet
.method public static test3(I)I
.registers 3
const/4 v0, 0
sput p0, LStoreLoad;->intField:I
and-int/lit8 v1, p0, 1
if-eqz v1, :skip
sput-byte p0, LStoreLoad;->byteField:B
sget-byte v1, LStoreLoad;->byteField:B
sput v1, LStoreLoad;->intField:I
# Test that this TypeConversion is moved and used for the
# sget-byte above instead of creating a new one.
int-to-byte v0, p0
:skip
sget v1, LStoreLoad;->intField:I
add-int v0, v1, v0
return v0
.end method
## CHECK-START: int StoreLoad.test4(int) load_store_elimination (before)
## CHECK-DAG: StaticFieldSet
## CHECK-DAG: StaticFieldSet
## CHECK-DAG: StaticFieldSet
## CHECK-DAG: StaticFieldSet
## CHECK-START: int StoreLoad.test4(int) load_store_elimination (after)
## CHECK-DAG: StaticFieldSet
## CHECK-DAG: StaticFieldSet
## CHECK-DAG: StaticFieldSet
## CHECK-DAG: StaticFieldSet
.method public static test4(I)I
# Test that stores are kept properly for an irreducible loop.
.registers 3
const/4 v0, 0
const/4 v1, 7
if-gt p0, v1, :skip1
const/4 v1, 1
sput v1, LStoreLoad;->intField:I
goto :irreducible_loop_middle
:skip1
const/4 v1, 2
sput v1, LStoreLoad;->intField:I
# Fall through to the irreducible loop
:irreducible_loop
const/4 v1, 3
sput v1, LStoreLoad;->intField:I
if-eq v0, p0, :end
:irreducible_loop_middle
const/4 v1, 4
sput v1, LStoreLoad;->intField:I
add-int/lit8 v0, v0, 1
goto :irreducible_loop
:end
return p0
.end method
.field public static intField:I
.field public static byteField:B
.field public static byteField2:B