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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/jit/regress-469927.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/jit/regress-469927.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/non262/jit/regress-469927.js b/js/src/tests/non262/jit/regress-469927.js new file mode 100644 index 0000000000..b1a7230946 --- /dev/null +++ b/js/src/tests/non262/jit/regress-469927.js @@ -0,0 +1,41 @@ +// |reftest| skip -- bogus perf test (bug 540512) +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +//----------------------------------------------------------------------------- +var BUGNUMBER = 469927; +var summary = 'TM: jit should not slow down short loop with let'; +var actual = ''; +var expect = ''; + + +//----------------------------------------------------------------------------- +test(); +//----------------------------------------------------------------------------- + +function test() +{ + printBugNumber(BUGNUMBER); + printStatus (summary); + + function letitbe() { + var start = new Date(); + for (let i = 0; i < 500000; ++i) { + for (let j = 0; j < 4; ++j) { } + } + var stop = new Date(); + return stop - start; + } + + var timenonjit = letitbe(); + var timejit = letitbe(); + + print('time: nonjit = ' + timenonjit + ', jit = ' + timejit); + + expect = true; + actual = timejit < timenonjit; + + reportCompare(expect, actual, summary); +} |