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/*
* Copyright (C) 2022 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.
*/
// Check that we have only one call before the inliner.
/// CHECK-START: boolean BaseClassWrapper.recursiveTwoWrappers() inliner (before)
/// CHECK: InvokeVirtual method_name:BaseClass.recursiveTwoWrappers
/// CHECK-NOT: InvokeVirtual method_name:BaseClass.recursiveTwoWrappers
// After the inliner we will have:
// if (receiver == BaseClassAnotherWrapper) {
// // At this point we have no way to know that the Invoke was going
// // to be a recursive one, but it cuts at the first iteration.
// if (receiver == BaseClassNoRecursion) {
// return false;
// } else {
// HInvokeVirtual
// }
// } else if (receiver == BaseClassNoRecursion) {
// return false;
// } else {
// HInvokeVirtual
// }
// We should see LoadClasses for BaseClassNoRecursion, and BaseClassAnotherWrapper<BaseClassNoRecursion>, in some order.
/// CHECK-START: boolean BaseClassWrapper.recursiveTwoWrappers() inliner (after)
/// CHECK-DAG: LoadClass load_kind:BssEntry class_name:BaseClassAnotherWrapper
/// CHECK-DAG: LoadClass load_kind:BssEntry class_name:BaseClassNoRecursion
/// CHECK-DAG: LoadClass load_kind:BssEntry class_name:BaseClassNoRecursion
// We should see the two HInvokeVirtual that appear in the above comment.
/// CHECK-START: boolean BaseClassWrapper.recursiveTwoWrappers() inliner (after)
/// CHECK: InvokeVirtual method_name:BaseClass.recursiveTwoWrappers
/// CHECK: InvokeVirtual method_name:BaseClass.recursiveTwoWrappers
/// CHECK-NOT: InvokeVirtual method_name:BaseClass.recursiveTwoWrappers
class BaseClassWrapper extends BaseClass {
protected final BaseClass mBaseClass;
public BaseClassWrapper(BaseClass BaseClass) {
mBaseClass = BaseClass;
}
boolean recursiveTwoWrappers() {
return mBaseClass.recursiveTwoWrappers();
}
}
// Same thing here as above but swapping BaseClassWrapper and BaseClassAnotherWrapper.
/// CHECK-START: boolean BaseClassAnotherWrapper.recursiveTwoWrappers() inliner (after)
/// CHECK-DAG: LoadClass load_kind:BssEntry class_name:BaseClassWrapper
/// CHECK-DAG: LoadClass load_kind:BssEntry class_name:BaseClassNoRecursion
/// CHECK-DAG: LoadClass load_kind:BssEntry class_name:BaseClassNoRecursion
/// CHECK-START: boolean BaseClassAnotherWrapper.recursiveTwoWrappers() inliner (after)
/// CHECK: InvokeVirtual method_name:BaseClass.recursiveTwoWrappers
/// CHECK: InvokeVirtual method_name:BaseClass.recursiveTwoWrappers
/// CHECK-NOT: InvokeVirtual method_name:BaseClass.recursiveTwoWrappers
class BaseClassAnotherWrapper extends BaseClass {
protected final BaseClass mBaseClass;
public BaseClassAnotherWrapper(BaseClass BaseClass) {
mBaseClass = BaseClass;
}
boolean recursiveTwoWrappers() {
return mBaseClass.recursiveTwoWrappers();
}
}
class BaseClassNoRecursion extends BaseClass {
boolean recursiveTwoWrappers() {
return false;
}
}
// Check that we have only one call before the inliner.
/// CHECK-START: boolean BaseClassShallowWrapper.recursiveShallow() inliner (before)
/// CHECK: InvokeVirtual method_name:BaseClassShallow.recursiveShallow
/// CHECK-NOT: InvokeVirtual method_name:BaseClassShallow.recursiveShallow
// After the inliner we will have
// if (receiver == BaseClassShallowNoRecursion) {
// return false;
// } else {
// HInvokeVirtual
// }
/// CHECK-START: boolean BaseClassShallowWrapper.recursiveShallow() inliner (after)
/// CHECK: LoadClass load_kind:BssEntry class_name:BaseClassShallowNoRecursion
/// CHECK: InvokeVirtual method_name:BaseClassShallow.recursiveShallow
/// CHECK-NOT: InvokeVirtual method_name:BaseClassShallow.recursiveShallow
class BaseClassShallowWrapper extends BaseClassShallow {
protected final BaseClassShallow mBaseClassShallow;
public BaseClassShallowWrapper(BaseClassShallow BaseClassShallow) {
mBaseClassShallow = BaseClassShallow;
}
boolean recursiveShallow() {
return mBaseClassShallow.recursiveShallow();
}
}
class BaseClassShallowNoRecursion extends BaseClassShallow {
boolean recursiveShallow() {
return false;
}
}
public class Main {
public static void main(String[] args) {}
}
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