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48 lines
879 B
48 lines
879 B
/*
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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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int test_switch() {
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int value = 0;
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// infinite loop
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while (value < 100) {
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switch (value) {
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// code before the first case statement gets skipped but can be used to
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// declare variables
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int x = 1;
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x = value + 1;
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case 0:
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break;
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case 1:
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continue;
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case 2:
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default:
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continue;
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}
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value++;
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}
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return 0;
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}
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int unroll_loop(int n) {
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int ret = 0;
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int loop = n + 3 / 4;
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switch (n % 8) {
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case 0:
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do {
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ret++;
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case 3:
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ret++;
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if (1) {
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case 2:
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ret++;
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}
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case 1:
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ret++;
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} while (--loop > 0);
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}
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return ret;
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}
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