[apple/javascriptcore.git] / tests / stress / load-varargs-elimination-bounds-check-barely.js

function foo() {
    var result = 0;
    for (var i = 0; i < arguments.length; ++i)
        result += arguments[i];
    return result;
}

function bar() {
    return foo.apply(this, arguments);
}

function baz(p) {
    if (p)
        return bar(1, 42);
    return 0;
}

noInline(baz);

// Execute baz() once with p set, so that the call has a valid prediction.
baz(true);

// Warm up profiling in bar and foo. Convince this profiling that bar()'s varargs call will tend to
// pass a small number of arguments;
for (var i = 0; i < 1000; ++i)
    bar(1);

// Now compile baz(), but don't run the bad code yet.
for (var i = 0; i < 10000; ++i)
    baz(false);

// Finally, trigger the bug.
var result = baz(true);
if (result != 43)
    throw "Error: bad result: " + result;
Commit	Line	Data
ed1e77d3 A	1	function foo() {
	2	var result = 0;
	3	for (var i = 0; i < arguments.length; ++i)
	4	result += arguments[i];
	5	return result;
	6	}
	7
	8	function bar() {
	9	return foo.apply(this, arguments);
	10	}
	11
	12	function baz(p) {
	13	if (p)
	14	return bar(1, 42);
	15	return 0;
	16	}
	17
	18	noInline(baz);
	19
	20	// Execute baz() once with p set, so that the call has a valid prediction.
	21	baz(true);
	22
	23	// Warm up profiling in bar and foo. Convince this profiling that bar()'s varargs call will tend to
	24	// pass a small number of arguments;
	25	for (var i = 0; i < 1000; ++i)
	26	bar(1);
	27
	28	// Now compile baz(), but don't run the bad code yet.
	29	for (var i = 0; i < 10000; ++i)
	30	baz(false);
	31
	32	// Finally, trigger the bug.
	33	var result = baz(true);
	34	if (result != 43)
	35	throw "Error: bad result: " + result;