You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

73 lines
1.7 KiB

/*
* Copyright (c) 2018-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import java.util.ArrayList;
import java.util.Map;
class HoistExpensive {
int incr(int x) {
return x + 1;
}
// incr will not be hoisted since it is cheap
void cheap_dont_hoist(int size) {
int x = 10;
for (int i = 0; i < size; i++) {
incr(x);
}
}
// call to cheap_dont_hoist will be hoisted since it is expensive.
void symbolic_expensive_hoist(int size) {
for (int i = 0; i < size; i++) {
cheap_dont_hoist(size);
}
}
// call to cheap_dont_hoist will NOT be hoisted since it is cheap.
void instantiated_cheap_hoist(int size) {
for (int i = 0; i < size; i++) {
cheap_dont_hoist(1);
}
}
// incr will not be hoisted since it is cheap
void cheap_iterator_dont_hoist(ArrayList<Integer> list) {
int x = 0;
for (Integer elem : list) {
incr(x);
}
}
// call to cheap_iterator_dont_hoist will be hoisted since it is expensive.
void symbolic_expensive_iterator_hoist(int size, ArrayList<Integer> list) {
for (int i = 0; i < size; i++) {
cheap_iterator_dont_hoist(list);
}
}
private Map<String, Foo> mLeakObjectResults;
class Foo {
String className;
}
public String getLeakSummary() {
StringBuilder leakedObjectSB = new StringBuilder();
for (String key : mLeakObjectResults.keySet()) {
leakedObjectSB
.append(key)
.append(",")
.append(mLeakObjectResults.get(key).className)
.append("\n");
}
return leakedObjectSB.toString();
}
}