9f902b7483
... to reduce compilation overhead on the main thread for OSR Bug: v8:12161 Change-Id: I54ca5fa6201405daf92dac9cf51d5de4b46577b3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3369361 Reviewed-by: Jakob Gruber <jgruber@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Fanchen Kong <fanchen.kong@intel.com> Cr-Commit-Position: refs/heads/main@{#79188}
50 lines
2.0 KiB
JavaScript
50 lines
2.0 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: --use-osr --allow-natives-syntax
|
|
|
|
function f() {
|
|
var sum = 0;
|
|
for (var i = 0; i < 10; i++) {
|
|
%PrepareFunctionForOptimization(f);
|
|
for (var j = 0; j < 10; j++) {
|
|
var x = i + 2;
|
|
var y = x + 5;
|
|
var z = y + 3;
|
|
sum += z;
|
|
if (j == 5 || j == 6) %OptimizeOsr(0, "concurrent");
|
|
}
|
|
}
|
|
return sum;
|
|
}
|
|
%PrepareFunctionForOptimization(f);
|
|
|
|
|
|
assertEquals(1450, f());
|
|
assertEquals(1450, f());
|
|
assertEquals(1450, f());
|