third_party/v8/test/mjsunit/div-mul-minus-one.js

// Copyright 2013 the V8 project authors. All rights reserved.
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// Flags: --allow-natives-syntax --opt

function div(g) {
  return (g/-1) ^ 1
}
%PrepareFunctionForOptimization(div);
var kMinInt = 1 << 31;
var expected_MinInt = div(kMinInt);
var expected_minus_zero = div(0);
%OptimizeFunctionOnNextCall(div);
assertEquals(expected_MinInt, div(kMinInt));
assertEquals(expected_minus_zero , div(0));

function mul(g) {
  return (g * -1) ^ 1
}

%PrepareFunctionForOptimization(mul);
expected_MinInt = mul(kMinInt);
expected_minus_zero = mul(0);
%OptimizeFunctionOnNextCall(mul);
assertEquals(expected_MinInt, mul(kMinInt));
assertOptimized(mul);
assertEquals(expected_minus_zero , mul(0));
assertOptimized(mul);