| /* |
| * 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; |
| } |