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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 int x = 0;
public Main(Main c) {
// After inlining the graph will look like:
// NullCheck c
// InstanceFieldGet c
// InstanceFieldSet this 3
// The dead code will eliminate the InstanceFieldGet and we'll end up with:
// NullCheck c
// InstanceFieldSet this 3
// At codegen, when verifying if we can move the null check to the user,
// we should check that we actually have the same user (not only that the
// next instruction can do implicit null checks).
// In this case we should generate code for the NullCheck since the next
// instruction checks a different object.
c.willBeInlined();
x = 3;
}
private int willBeInlined() {
return x;
}
public static void main(String[] args) {
try {
new Main(null);
throw new RuntimeException("Failed to throw NullPointerException");
} catch (NullPointerException e) {
// expected
}
}
}
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