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}
58 lines
2.3 KiB
JavaScript
58 lines
2.3 KiB
JavaScript
// Copyright 2012 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: --allow-natives-syntax
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// Test that we do not generate OSR entry points that have an arguments
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// stack height different from zero. The OSR machinery cannot generate
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// frames for that.
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(function() {
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"use strict";
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var instantReturn = false;
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function inner() {
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if (instantReturn) return;
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assertSame(3, arguments.length);
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assertSame(1, arguments[0]);
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assertSame(2, arguments[1]);
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assertSame(3, arguments[2]);
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}
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%EnsureFeedbackVectorForFunction(inner);
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function outer() {
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inner(1,2,3);
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for (var i = 0; i < 3; i++) {
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%OptimizeOsr(0, "concurrent");
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%PrepareFunctionForOptimization(outer);
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}
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}
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%PrepareFunctionForOptimization(outer);
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outer();
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})();
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