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27
28// Flags: --allow-natives-syntax --load-elimination
29
30// Test global load elimination in the presence of OSR compilation.
31
32function It(x, y) { }
33
34function foo_osr(x, limit) {
35  var o = new It();
36  o.x = x;
37  o.y = x;
38  for (var i = 0; i < limit; i++) {
39    o.y += o.x;  // Load of x cannot be hoisted due to OSR.
40  }
41
42  return o.y;
43}
44
45assertEquals(22, foo_osr(11, 1));
46assertEquals(24, foo_osr(12, 1));
47assertEquals(1300013, foo_osr(13, 100000));
48
49
50function foo_hot(x, limit) {
51  var o = new It();
52  o.x = x;
53  o.y = x;
54  for (var i = 0; i < limit; i++) {
55    o.y += o.x;  // Load of x can be hoisted without OSR.
56  }
57
58  return o.y;
59}
60
61assertEquals(22, foo_hot(11, 1));
62assertEquals(24, foo_hot(12, 1));
63%OptimizeFunctionOnNextCall(foo_hot);
64assertEquals(32, foo_hot(16, 1));
65assertEquals(1300013, foo_hot(13, 100000));
66