68eab4a8d8
This fixes a bug where an array load was incorrectly hoisted by GVN. BUG=85177 TEST=mjsunit/regress/regress-85177.js Review URL: http://codereview.chromium.org/7003054 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8230 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
66 lines
2.1 KiB
JavaScript
66 lines
2.1 KiB
JavaScript
// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --allow-natives-syntax
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gW=gH=175;
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g=[];
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for(var n=0; n<gW; n++){
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var l=[];
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for(var p=0; p<gH; p++){
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l.push(1)
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}
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g.push(l)
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}
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function k(a,b){
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if(a<0||b<0||a>=gW||b>=gH)
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return 0;
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return g[a][b];
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}
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function f(){
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for(var a=[],f=0; f<gW; f++){
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var b=[];
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for(var h=0; h<gH; h++){
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var e=0;
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for(var i=-1; i<=1; i++)
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for(var j=-1; j<=1; j++)
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e+=k(f+i,h+j);
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e=k(f,h)==1?1:0;
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b.push(e)
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}
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a.push(b)
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}
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}
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f();
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%OptimizeFunctionOnNextCall(f);
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f();
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