18a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// Copyright 2013 the V8 project authors. All rights reserved. 28a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// Redistribution and use in source and binary forms, with or without 38a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// modification, are permitted provided that the following conditions are 48a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// met: 58a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// 68a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// * Redistributions of source code must retain the above copyright 78a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// notice, this list of conditions and the following disclaimer. 88a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// * Redistributions in binary form must reproduce the above 98a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// copyright notice, this list of conditions and the following 108a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// disclaimer in the documentation and/or other materials provided 118a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// with the distribution. 128a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// * Neither the name of Google Inc. nor the names of its 138a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// contributors may be used to endorse or promote products derived 148a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// from this software without specific prior written permission. 158a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// 168a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 178a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 188a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 198a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 208a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 218a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 228a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 238a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 248a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 258a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 268a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 278a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org 288a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org// Flags: --allow-natives-syntax 298a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org 308a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.orgfunction f(i, b) { 318a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org var a = 0; 328a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org if (b) { 338a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org var c = 1 << i; 348a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org a = c + c; 358a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org } 368a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org var x = a >> 3; 378a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org return a; 388a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org} 398a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org 408a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.orgf(1, false); 418a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.orgf(1, true); 428a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org%OptimizeFunctionOnNextCall(f); 438a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.orgassertEquals((1 << 30) * 2, f(30, true)); 448a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org 458a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org 468a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.orgvar global = 1; 478a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org 488a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.orgfunction f2(b) { 498a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org var a = 0; 508a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org if (b) { 518a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org a = global; 528a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org } 538a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org var x = a >> 3; 548a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org return a; 558a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org} 568a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org 578a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.orgf2(false); 588a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.orgf2(true); 598a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org%OptimizeFunctionOnNextCall(f2); 608a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.orgglobal = 2.5; 618a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.orgassertEquals(global, f2(true)); 62