41ef63df21
With bytecode flushing and lazy feedback allocation, we need to call %PrepareForOptimization before we call %OptimizeFunctionOnNextCall Bug: v8:8801, v8:8394 Change-Id: I81918f174b2f97cbaa8b8ef2e459080c2581f535 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1588415 Commit-Queue: Mythri Alle <mythria@chromium.org> Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#61122}
38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
// Copyright 2016 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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//
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// Flags: --mark-shared-functions-for-tier-up --allow-natives-syntax
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// Flags: --opt --no-always-opt --turbo-filter=*
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// If we are always or never optimizing it is useless.
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if (isNeverOptimizeLiteMode()) {
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print("Warning: skipping test that requires optimization in Lite mode.");
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testRunner.quit(0);
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}
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assertFalse(isAlwaysOptimize());
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assertFalse(isNeverOptimize());
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(function() {
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var sum = 0;
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var i = 0;
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for (var i = 0; i < 3; ++i) {
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var f = function(x) {
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return 2 * x;
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};
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%PrepareFunctionForOptimization(f);
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sum += f(i);
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if (i == 1) {
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// f must be interpreted code.
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assertTrue(isInterpreted(f));
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// Run twice (i = 0, 1), then tier-up.
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%OptimizeFunctionOnNextCall(f);
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} else if (i == 2) {
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// Tier-up at i = 2 should go up to turbofan.
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assertTrue(isTurboFanned(f));
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}
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}
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})()
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