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32 lines
940 B
32 lines
940 B
// 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 --no-ignition --no-ignition-staging --no-turbo
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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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sum += f(i);
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if (%GetOptimizationStatus(f) == 3 || %GetOptimizationStatus(f) == 4) {
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// If we are always or never optimizing f, just exit, this test is useless.
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return;
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}
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if (i == 1) {
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// f must be baseline code.
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assertEquals(2, %GetOptimizationStatus(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 crankshaft.
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assertEquals(1, %GetOptimizationStatus(f));
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}
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}
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})()
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