ae1af6a568
Bug: v8:8394, v8:8801, v8:9183 Change-Id: I29ff1a6dda97e89335b30fcc8c380bcb4055e1fb Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1664690 Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Commit-Queue: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#62254}
66 lines
1.4 KiB
JavaScript
66 lines
1.4 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --use-osr
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function id(f) { return f; }
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function foo(a) {
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var r = /\0/;
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for (var i = 0; i < 10; i++) {
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if (a) %OptimizeOsr();
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%PrepareFunctionForOptimization(foo);
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}
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return r;
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}
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%PrepareFunctionForOptimization(foo);
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function bar(a) {
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for (var i = 0; i < 10; i++) {
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if (a) %OptimizeOsr();
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%PrepareFunctionForOptimization(bar);
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var r = /\0/;
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}
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return r;
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}
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%PrepareFunctionForOptimization(bar);
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function baz(a) {
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for (var i = 0; i < 10; i++) {
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if (a) %OptimizeOsr();
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%PrepareFunctionForOptimization(baz);
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}
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return /\0/;
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}
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%PrepareFunctionForOptimization(baz);
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function qux(a) {
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for (var i = 0; i < 10; i++) {
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if (i > 5 && a) {
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%OptimizeOsr();
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%PrepareFunctionForOptimization(qux);
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} else {
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var r = /\0/;
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}
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}
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return r;
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}
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%PrepareFunctionForOptimization(qux);
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function test(f) {
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// Test the reference equality of regex's created in OSR'd function.
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var x = f(false);
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%PrepareFunctionForOptimization(f);
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assertEquals(x, f(true));
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%PrepareFunctionForOptimization(f);
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assertEquals(x, f(true));
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%PrepareFunctionForOptimization(f);
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assertEquals(x, f(true));
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}
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test(foo);
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test(bar);
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test(baz);
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test(qux);
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