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/*
* 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.
*/
public class Main {
public Main() {
}
static int testLiveArgument(int arg) {
doStaticNativeCallLiveVreg();
return arg;
}
static void moveArgToCalleeSave() {
try {
Thread.sleep(0);
} catch (Exception e) {
throw new Error(e);
}
}
static void testIntervalHole(int arg, boolean test) {
// Move the argument to callee save to ensure it is in
// a readable register.
moveArgToCalleeSave();
if (test) {
staticField1 = arg;
// The environment use of `arg` should not make it live.
doStaticNativeCallLiveVreg();
} else {
staticField2 = arg;
// The environment use of `arg` should not make it live.
doStaticNativeCallLiveVreg();
}
}
static native void doStaticNativeCallLiveVreg();
static {
System.loadLibrary("arttest");
}
public static void main(String[] args) {
if (testLiveArgument(42) != 42) {
throw new Error("Expected 42");
}
if (testLiveArgument(42) != 42) {
throw new Error("Expected 42");
}
testIntervalHole(1, true);
testIntervalHole(1, false);
}
static int staticField1;
static int staticField2;
}
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