eab992fd40
Bug=v8:8801,v8:8394,v8:9183 Change-Id: I9d88d2aa2b261b0f8df83dd6075b68cbc626161f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1660476 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Mythri Alle <mythria@chromium.org> Auto-Submit: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#62172}
121 lines
4.5 KiB
JavaScript
121 lines
4.5 KiB
JavaScript
// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --max-semi-space-size=1 --allow-natives-syntax
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var test_id = 0;
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function testFloor(expect, input) {
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var test = new Function('n',
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'"' + (test_id++) + '";return Math.floor(n)');
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%PrepareFunctionForOptimization(test);
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assertEquals(expect, test(input));
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assertEquals(expect, test(input));
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assertEquals(expect, test(input));
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%OptimizeFunctionOnNextCall(test);
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assertEquals(expect, test(input));
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var test_double_input = new Function(
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'n',
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'"' + (test_id++) + '";return Math.floor(+n)');
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%PrepareFunctionForOptimization(test_double_input);
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assertEquals(expect, test_double_input(input));
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assertEquals(expect, test_double_input(input));
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assertEquals(expect, test_double_input(input));
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%OptimizeFunctionOnNextCall(test_double_input);
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assertEquals(expect, test_double_input(input));
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var test_double_output = new Function(
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'n',
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'"' + (test_id++) + '";return Math.floor(n) + -0.0');
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%PrepareFunctionForOptimization(test_double_output);
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assertEquals(expect, test_double_output(input));
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assertEquals(expect, test_double_output(input));
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assertEquals(expect, test_double_output(input));
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%OptimizeFunctionOnNextCall(test_double_output);
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assertEquals(expect, test_double_output(input));
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var test_via_ceil = new Function(
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'n',
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'"' + (test_id++) + '";return -Math.ceil(-n)');
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%PrepareFunctionForOptimization(test_via_ceil);
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assertEquals(expect, test_via_ceil(input));
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assertEquals(expect, test_via_ceil(input));
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assertEquals(expect, test_via_ceil(input));
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%OptimizeFunctionOnNextCall(test_via_ceil);
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assertEquals(expect, test_via_ceil(input));
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if (input >= 0) {
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var test_via_trunc = new Function(
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'n',
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'"' + (test_id++) + '";return Math.trunc(n)');
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%PrepareFunctionForOptimization(test_via_trunc);
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assertEquals(expect, test_via_trunc(input));
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assertEquals(expect, test_via_trunc(input));
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assertEquals(expect, test_via_trunc(input));
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%OptimizeFunctionOnNextCall(test_via_trunc);
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assertEquals(expect, test_via_trunc(input));
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}
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}
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function zero() {
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var x = 0.5;
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return (function() { return x - 0.5; })();
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}
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function test() {
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// 2^30 is a smi boundary.
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var two_30 = 1 << 30;
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testFloor(two_30, two_30);
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testFloor(two_30, two_30 + 0.1);
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testFloor(two_30, two_30 + 0.5);
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testFloor(two_30, two_30 + 0.7);
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testFloor(two_30 - 1, two_30 - 1);
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testFloor(two_30 - 1, two_30 - 1 + 0.1);
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testFloor(two_30 - 1, two_30 - 1 + 0.5);
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testFloor(two_30 - 1, two_30 - 1 + 0.7);
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testFloor(-two_30, -two_30);
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testFloor(-two_30, -two_30 + 0.1);
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testFloor(-two_30, -two_30 + 0.5);
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testFloor(-two_30, -two_30 + 0.7);
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testFloor(-two_30 + 1, -two_30 + 1);
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testFloor(-two_30 + 1, -two_30 + 1 + 0.1);
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testFloor(-two_30 + 1, -two_30 + 1 + 0.5);
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testFloor(-two_30 + 1, -two_30 + 1 + 0.7);
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}
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// Test in a loop to cover the custom IC and GC-related issues.
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for (var i = 0; i < 10; i++) {
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test();
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new Array(i * 10000);
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}
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