159b14172f
R=bmeurer@chromium.org BUG= Review URL: https://codereview.chromium.org/809333002 Cr-Commit-Position: refs/heads/master@{#26020}
48 lines
1.1 KiB
JavaScript
48 lines
1.1 KiB
JavaScript
// Copyright 2014 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 --turbo-osr
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var counter = 188;
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function gen() { // defeat compiler cache.
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var num = counter++;
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var src =
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"function f" + num + "(Z,a,b,c) {" +
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" var x = 0;" +
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" var y = 0;" +
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" var z = 0;" +
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" while (a > 0) { Z(0); x += 19; a--; }" +
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" while (b > 0) { Z(1); y += 23; b--; }" +
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" while (c > 0) { Z(2); z += 29; c--; }" +
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" return x + y + z;" +
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"} f" + num;
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return eval(src);
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}
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function compiler(a) { // manual control of OSR compiles.
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var x = 0;
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function count(l) {
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if (l == a && (x++) > 0) {
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%OptimizeFunctionOnNextCall(count.caller, "osr");
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}
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}
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return count;
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}
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function check(x,a,b,c) {
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function none(l) { }
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for (var i = 0; i < 3; i++) {
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var f = gen();
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assertEquals(x, f(compiler(i), a, b, c));
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assertEquals(x, f(none, a, b, c));
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}
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}
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check(213, 3,3,3);
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check(365, 4,5,6);
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check(6948, 99,98,97);
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