d7a8170d2d
Bug: v8:8801,v8:8394,v8:9183 Change-Id: If482c6a14f389d54c6ca3891aa7b8475f7a1fce1 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1660617 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Auto-Submit: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#62192}
63 lines
2.7 KiB
JavaScript
63 lines
2.7 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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function bozo() {};
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function MakeClosure() {
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return function f(use_literals) {
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if (use_literals) {
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return [1,2,3,3,4,5,6,7,8,9,bozo];
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} else {
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return 0;
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}
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}
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}
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// Create two closures that share the same literal boilerplates.
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var closure1 = MakeClosure();
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%PrepareFunctionForOptimization(closure1);
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var closure2 = MakeClosure();
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%PrepareFunctionForOptimization(closure2);
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var expected = [1,2,3,3,4,5,6,7,8,9,bozo];
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// Make sure we generate optimized code for the first closure after
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// warming it up properly so that the literals boilerplate is generated
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// and the optimized code uses CreateArrayLiteralShallow runtime call.
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%PrepareFunctionForOptimization(closure1);
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assertEquals(0, closure1(false));
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assertEquals(expected, closure1(true));
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%OptimizeFunctionOnNextCall(closure1);
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assertEquals(expected, closure1(true));
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// Optimize the second closure, which should reuse the optimized code
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// from the first closure with the same literal boilerplates.
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%PrepareFunctionForOptimization(closure2);
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assertEquals(0, closure2(false));
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%OptimizeFunctionOnNextCall(closure2);
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assertEquals(expected, closure2(true));
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