ArrayLengthGetPropertyIC.js

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function intLength (a, l) {

    var res = 0;

    for (var i = 0; i < l; i++)

        res += a.length;

    return res / l;

function valueLength (a, l) {

    var res = 0;

    for (var i = 0; i < l; i++)

        res += a.length;

    return res / l;

var denseArray = [0,1,2,3,4,5,6,7,8,9];

var typedArray = new Uint8Array(10);

var hugeArray  = new Array(4294967295);

var fakeArray1 = { length: 10 };

var fakeArray2 = { length: 10.5 };

// Check the interpreter result and play with TI type objects.

assertEq(intLength(denseArray, 10), 10);

assertEq(intLength(typedArray, 10), 10);

// assertEq(intLength(fakeArray1, 10), 10);

assertEq(valueLength(denseArray, 10), 10);

assertEq(valueLength(typedArray, 10), 10);

assertEq(valueLength(hugeArray , 10), 4294967295);

assertEq(valueLength(fakeArray2, 10), 10.5);

// Heat up to compile (either JM / Ion)

assertEq(intLength(denseArray, 100), 10);

assertEq(valueLength(denseArray, 100), 10);

// No bailout should occur during any of the following checks:

// Check get-property length IC with dense array.

assertEq(intLength(denseArray, 1), 10);

assertEq(valueLength(denseArray, 1), 10);

// Check get-property length IC with typed array.

assertEq(intLength(typedArray, 1), 10);

assertEq(valueLength(typedArray, 1), 10);

// Check length which do not fit on non-double value.

assertEq(valueLength(hugeArray, 1), 4294967295);

// Check object length property.

assertEq(intLength(fakeArray1, 1), 10);

assertEq(valueLength(fakeArray2, 1), 10.5);

// Cause invalidation of intLength by returning a double.

assertEq(intLength(hugeArray, 1), 4294967295);

assertEq(intLength(fakeArray2, 1), 10.5);