3df0a8c1f2
We have to preserve control flow so that the liveness analysis is less confused. This CL fixes loops to preserve teh original control flow. BUG=chromium:599710 LOG=n Review URL: https://codereview.chromium.org/1863123002 Cr-Commit-Position: refs/heads/master@{#35318}
50 lines
988 B
JavaScript
50 lines
988 B
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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// Flags: --allow-natives-syntax
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var f1 = function() { while (1) { } }
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function g1() {
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var s = "hey";
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f1 = function() { return true; }
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if (f1()) { return s; }
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}
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%OptimizeFunctionOnNextCall(g1);
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assertEquals("hey", g1());
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var f2 = function() { do { } while (1); }
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function g2() {
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var s = "hey";
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f2 = function() { return true; }
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if (f2()) { return s; }
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}
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%OptimizeFunctionOnNextCall(g2);
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assertEquals("hey", g2());
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var f3 = function() { for (;;); }
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function g3() {
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var s = "hey";
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f3 = function() { return true; }
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if (f3()) { return s; }
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}
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%OptimizeFunctionOnNextCall(g3);
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assertEquals("hey", g3());
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var f4 = function() { for (;;); }
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function g4() {
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var s = "hey";
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f4 = function() { return true; }
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while (f4()) { return s; }
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}
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%OptimizeFunctionOnNextCall(g4);
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assertEquals("hey", g4());
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