1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
// |jit-test| skip-if: !this.getJitCompilerOptions() || !getJitCompilerOptions()['ion.enable']; --ion-warmup-threshold=50
// Test inlining in Ion of fun.apply(..., array).
setJitCompilerOption("offthread-compilation.enable", 0);
gcPreserveCode();
var itercount = 1000;
var warmup = 100;
// Force Ion to do something predictable without having to wait
// forever for it.
if (getJitCompilerOptions()["ion.warmup.trigger"] > warmup)
setJitCompilerOption("ion.warmup.trigger", warmup);
setJitCompilerOption("offthread-compilation.enable", 0);
function g(a, b, c, d) {
return a + b + c + (d === undefined);
}
var g_inIonInLoop = false;
var g_inIonAtEnd = false;
function f(xs) {
var sum = 0;
var inIonInLoop = 0;
for ( var i=0 ; i < itercount ; i++ ) {
inIonInLoop |= inIon();
sum += g.apply(null, xs);
}
g_ionAtEnd = inIon();
g_inIonInLoop = !!inIonInLoop;
return sum;
}
// Basic test
assertEq(f([1,2,3,4]), 6*itercount);
// Attempt to detect a botched optimization: either we ion-compiled
// the loop, or we did not ion-compile the function (ion not actually
// effective at all, this can happen).
assertEq(g_inIonInLoop || !g_inIonAtEnd, true);
// If Ion is inert just leave.
if (!g_inIonInLoop) {
print("Leaving early - ion not kicking in at all");
quit(0);
}
// Test that we get the correct argument value even if the array has
// fewer initialized members than its length.
var headroom = [1,2,3];
headroom.length = 13;
assertEq(f(headroom), 7*itercount);
// Test that we throw when the array is too long.
var thrown = false;
try {
var long = [];
long.length = getMaxArgs() + 1;
f(long);
}
catch (e) {
thrown = true;
assertEq(e instanceof RangeError, true);
}
assertEq(thrown, true);
|
