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6bd756d7c6
PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
132 lines
3.5 KiB
JavaScript
132 lines
3.5 KiB
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --turbofan
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(function() {
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function foo(x) {
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x = x >>> 0;
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var y = 0 - 2147483648;
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return x + y;
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals(-2147483648, foo(0));
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assertEquals(0, foo(2147483648));
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assertEquals(2147483647, foo(4294967295));
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assertEquals(-2147483648, foo(0));
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assertEquals(0, foo(2147483648));
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assertEquals(2147483647, foo(4294967295));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(-2147483648, foo(0));
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assertEquals(0, foo(2147483648));
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assertEquals(2147483647, foo(4294967295));
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assertOptimized(foo);
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})();
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(function() {
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function foo(x) {
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x = x >>> 0;
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var y = 2147483648;
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return x - y;
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals(-2147483648, foo(0));
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assertEquals(0, foo(2147483648));
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assertEquals(2147483647, foo(4294967295));
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assertEquals(-2147483648, foo(0));
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assertEquals(0, foo(2147483648));
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assertEquals(2147483647, foo(4294967295));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(-2147483648, foo(0));
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assertEquals(0, foo(2147483648));
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assertEquals(2147483647, foo(4294967295));
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assertOptimized(foo);
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})();
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(function() {
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function foo(x) {
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x = x | 0;
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var y = 2147483648;
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return x + y;
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals(2147483648, foo(0));
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assertEquals(0, foo(-2147483648));
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assertEquals(4294967295, foo(2147483647));
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assertEquals(2147483648, foo(0));
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assertEquals(0, foo(-2147483648));
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assertEquals(4294967295, foo(2147483647));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(2147483648, foo(0));
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assertEquals(0, foo(-2147483648));
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assertEquals(4294967295, foo(2147483647));
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assertOptimized(foo);
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})();
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(function() {
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function foo(x) {
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x = x | 0;
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var y = 0 - 2147483648;
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return x - y;
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals(2147483648, foo(0));
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assertEquals(0, foo(-2147483648));
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assertEquals(4294967295, foo(2147483647));
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assertEquals(2147483648, foo(0));
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assertEquals(0, foo(-2147483648));
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assertEquals(4294967295, foo(2147483647));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(2147483648, foo(0));
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assertEquals(0, foo(-2147483648));
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assertEquals(4294967295, foo(2147483647));
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assertOptimized(foo);
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})();
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(function() {
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function foo(x) {
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x = x | 0;
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var y = -0;
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return x + y;
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals(2147483647, foo(2147483647));
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assertEquals(-2147483648, foo(-2147483648));
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assertEquals(0, foo(0));
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assertEquals(2147483647, foo(2147483647));
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assertEquals(-2147483648, foo(-2147483648));
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assertEquals(0, foo(0));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(2147483647, foo(2147483647));
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assertEquals(-2147483648, foo(-2147483648));
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assertEquals(0, foo(0));
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assertOptimized(foo);
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})();
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(function() {
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function foo(x) {
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var y = (x < 0) ? 4294967295 : 4294967296;
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var z = (x > 0) ? 2147483647 : 2147483648;
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return y - z;
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals(2147483647, foo(-1));
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assertEquals(2147483648, foo(0));
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assertEquals(2147483649, foo(1));
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assertEquals(2147483647, foo(-1));
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assertEquals(2147483648, foo(0));
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assertEquals(2147483649, foo(1));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(2147483647, foo(-1));
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assertEquals(2147483648, foo(0));
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assertEquals(2147483649, foo(1));
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assertOptimized(foo);
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})();
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