cb1eedd269
Review URL: http://codereview.chromium.org/2925012 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5069 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
95 lines
2.7 KiB
JavaScript
95 lines
2.7 KiB
JavaScript
// Copyright 2010 the V8 project authors. All rights reserved.
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following
|
|
// disclaimer in the documentation and/or other materials provided
|
|
// with the distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
// Test for a broken fast-smi-loop that does not save the incremented value
|
|
// of the loop index. If this test fails, it loops forever, and times out.
|
|
|
|
// Flags: --nofull-compiler
|
|
|
|
// Calling foo() spills the virtual frame.
|
|
function foo() {
|
|
return;
|
|
}
|
|
|
|
function bar() {
|
|
var x1 = 3;
|
|
var x2 = 3;
|
|
var x3 = 3;
|
|
var x4 = 3;
|
|
var x5 = 3;
|
|
var x6 = 3;
|
|
var x7 = 3;
|
|
var x8 = 3;
|
|
var x9 = 3;
|
|
var x10 = 3;
|
|
var x11 = 3;
|
|
var x12 = 3;
|
|
var x13 = 3;
|
|
|
|
foo();
|
|
|
|
x1 = 257;
|
|
x2 = 258;
|
|
x3 = 259;
|
|
x4 = 260;
|
|
x5 = 261;
|
|
x6 = 262;
|
|
x7 = 263;
|
|
x8 = 264;
|
|
x9 = 265;
|
|
x10 = 266;
|
|
x11 = 267;
|
|
x12 = 268;
|
|
x13 = 269;
|
|
|
|
// The loop variable x7 is initialized to 3,
|
|
// and then MakeMergeable is called on the virtual frame.
|
|
// MakeMergeable has forced the loop variable x7 to be spilled,
|
|
// so it is marked as synced
|
|
// The back edge then merges its virtual frame, which incorrectly
|
|
// claims that x7 is synced, and does not save the modified
|
|
// value.
|
|
for (x7 = 3; x7 < 10; ++x7) {
|
|
foo();
|
|
}
|
|
}
|
|
|
|
bar();
|
|
|
|
function aliasing() {
|
|
var x = 3;
|
|
var j;
|
|
for (j = 7; j < 11; ++j) {
|
|
x = j;
|
|
}
|
|
|
|
assertEquals(10, x);
|
|
assertEquals(11, j);
|
|
}
|
|
|
|
aliasing();
|