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42 lines
822 B
42 lines
822 B
6 years ago
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/*
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* Copyright (c) 2018-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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class HoistGlobal {
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public static int svar = 0;
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int read_global() {
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return svar;
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}
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class Foo {
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void set() {
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svar = 5;
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}
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int read_global() {
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return svar;
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}
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}
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int global_modification_dont_hoist(int size) {
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Foo f = new Foo();
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int d = 0;
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for (int i = 0; i < size; i++) {
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d += read_global(); // don't hoist since set() changes a global var in the loop
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f.set();
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f.read_global(); // don't hoist
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}
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return d;
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}
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void call_global_modification_dont_hoist(int size) {
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for (int i = 0; i < size; i++) {
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global_modification_dont_hoist(size);
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}
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}
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}
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