5b794a389b
Bug: v8:8801, v8:8394 Change-Id: I6bb46ecafe1bd94adbf0409f13c9b2e558da0823 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1594558 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@{#61200}
89 lines
2.6 KiB
JavaScript
89 lines
2.6 KiB
JavaScript
// Copyright 2013 the V8 project authors. All rights reserved.
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following
|
|
// disclaimer in the documentation and/or other materials provided
|
|
// with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
// Flags: --allow-natives-syntax
|
|
|
|
function a() {
|
|
var sum = 0;
|
|
for (var i = 0; i < 500; ++i) {
|
|
sum = (i + sum) | 0;
|
|
}
|
|
return sum;
|
|
}
|
|
|
|
function b() {
|
|
var sum = 0;
|
|
for (var i = -500; i < 0; ++i) {
|
|
sum = (i + sum) | 0;
|
|
}
|
|
return sum;
|
|
}
|
|
|
|
function c() {
|
|
var sum = 0;
|
|
for (var i = 0; i < 500; ++i) {
|
|
sum += (i + -0x7fffffff) | 0;
|
|
}
|
|
return sum;
|
|
}
|
|
|
|
function d() {
|
|
var sum = 0;
|
|
for (var i = -501; i < 0; ++i) {
|
|
sum += (i + 501) | 0;
|
|
}
|
|
return sum;
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(a);
|
|
a();
|
|
a();
|
|
%OptimizeFunctionOnNextCall(a);
|
|
assertEquals(124750, a());
|
|
assertEquals(124750, a());
|
|
|
|
%PrepareFunctionForOptimization(b);
|
|
b();
|
|
b();
|
|
%OptimizeFunctionOnNextCall(b);
|
|
assertEquals(-125250, b());
|
|
assertEquals(-125250, b());
|
|
|
|
%PrepareFunctionForOptimization(c);
|
|
c();
|
|
c();
|
|
%OptimizeFunctionOnNextCall(c);
|
|
assertEquals(-1073741698750, c());
|
|
assertEquals(-1073741698750, c());
|
|
|
|
%PrepareFunctionForOptimization(d);
|
|
d();
|
|
d();
|
|
%OptimizeFunctionOnNextCall(d);
|
|
assertEquals(125250, d());
|
|
assertEquals(125250, d());
|