v8/test/mjsunit/compiler/osr-backedges1.js
mstarzinger 434ef2ccfd [turbofan] Remove deprecated --turbo-osr flag.
The flag in question used to fall-back to Crankshaft whenever an OSR
request couldn't be handled by TurboFan. By now OSR in TurboFan is
sufficiently stabilized that one single --use-osr flag should do it.

R=titzer@chromium.org

Review-Url: https://codereview.chromium.org/1960043002
Cr-Commit-Position: refs/heads/master@{#36102}
2016-05-09 09:12:01 +00:00

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823 B
JavaScript

// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --use-osr
function foo(a) {
var i = a | 0;
while (true) {
if (i == 0) { i = 1; continue; }
if (i == 1) { i = 2; continue; }
if (i == 2) { i = 3; continue; }
if (i == 3) { i = 4; continue; }
if (i == 4) { i = 5; continue; }
if (i == 5) { i = 6; continue; }
if (i == 6) { i = 7; continue; }
if (i == 7) { i = 8; continue; }
for (var j = 0; j < 10; j++) { if (i == 5) %OptimizeOsr(); }
break;
}
return j;
}
function test(func, tv, fv) {
assertEquals(tv, func(0));
assertEquals(tv, func(0));
assertEquals(fv, func(9));
assertEquals(fv, func(9));
}
test(foo, 10, 10);