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// 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.
// Flags: --allow-natives-syntax
// Test overflow checks in optimized code.
function testMul(a, b) {
a *= 2;
b *= 2;
if (a < 1 && b < 1) {
return a * b;
}
}
for (var i=0; i<5; i++) testMul(0,0);
%OptimizeFunctionOnNextCall(testMul);
assertEquals(4611686018427388000, testMul(-0x40000000, -0x40000000));
function testAdd(a, b) {
a *= 2;
b *= 2;
if (a < 1 && b < 1) {
return a + b;
}
}
for (var i=0; i<5; i++) testAdd(0,0);
%OptimizeFunctionOnNextCall(testAdd);
assertEquals(-4294967296, testAdd(-0x40000000, -0x40000000));
function testSub(a, b) {
a *= 2;
b *= 2;
if (b == 2) {print(a); print(b);}
if (a < 1 && b < 3) {
return a - b;
}
}
for (var i=0; i<5; i++) testSub(0,0);
%OptimizeFunctionOnNextCall(testSub);
assertEquals(-2147483650, testSub(-0x40000000, 1));
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