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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
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26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 // Flags: --allow-natives-syntax --smi-only-arrays --expose-gc | 28 // Flags: --allow-natives-syntax --smi-only-arrays --expose-gc |
29 // Test element kind of objects. | 29 // Test element kind of objects. |
30 // Since --smi-only-arrays affects builtins, its default setting at compile | 30 // Since --smi-only-arrays affects builtins, its default setting at compile |
31 // time sticks if built with snapshot. If --smi-only-arrays is deactivated | 31 // time sticks if built with snapshot. If --smi-only-arrays is deactivated |
32 // by default, only a no-snapshot build actually has smi-only arrays enabled | 32 // by default, only a no-snapshot build actually has smi-only arrays enabled |
33 // in this test case. Depending on whether smi-only arrays are actually | 33 // in this test case. Depending on whether smi-only arrays are actually |
34 // enabled, this test takes the appropriate code path to check smi-only arrays. | 34 // enabled, this test takes the appropriate code path to check smi-only arrays. |
35 | 35 |
36 support_smi_only_arrays = %HasFastSmiOnlyElements([1,2,3,4,5,6,7,8,9,10]); | 36 support_smi_only_arrays = %HasFastSmiElements([1,2,3,4,5,6,7,8,9,10]); |
37 | 37 |
38 if (support_smi_only_arrays) { | 38 if (support_smi_only_arrays) { |
39 print("Tests include smi-only arrays."); | 39 print("Tests include smi-only arrays."); |
40 } else { | 40 } else { |
41 print("Tests do NOT include smi-only arrays."); | 41 print("Tests do NOT include smi-only arrays."); |
42 } | 42 } |
43 | 43 |
44 // IC and Crankshaft support for smi-only elements in dynamic array literals. | 44 // IC and Crankshaft support for smi-only elements in dynamic array literals. |
45 function get(foo) { return foo; } // Used to generate dynamic values. | 45 function get(foo) { return foo; } // Used to generate dynamic values. |
46 | 46 |
47 function array_literal_test() { | 47 function array_literal_test() { |
48 var a0 = [1, 2, 3]; | 48 var a0 = [1, 2, 3]; |
49 assertTrue(%HasFastSmiOnlyElements(a0)); | 49 assertTrue(%HasFastSmiElements(a0)); |
50 var a1 = [get(1), get(2), get(3)]; | 50 var a1 = [get(1), get(2), get(3)]; |
51 assertTrue(%HasFastSmiOnlyElements(a1)); | 51 assertTrue(%HasFastSmiElements(a1)); |
52 | 52 |
53 var b0 = [1, 2, get("three")]; | 53 var b0 = [1, 2, get("three")]; |
54 assertTrue(%HasFastElements(b0)); | 54 assertTrue(%HasFastObjectElements(b0)); |
55 var b1 = [get(1), get(2), get("three")]; | 55 var b1 = [get(1), get(2), get("three")]; |
56 assertTrue(%HasFastElements(b1)); | 56 assertTrue(%HasFastObjectElements(b1)); |
57 | 57 |
58 var c0 = [1, 2, get(3.5)]; | 58 var c0 = [1, 2, get(3.5)]; |
59 assertTrue(%HasFastDoubleElements(c0)); | 59 assertTrue(%HasFastDoubleElements(c0)); |
60 assertEquals(3.5, c0[2]); | 60 assertEquals(3.5, c0[2]); |
61 assertEquals(2, c0[1]); | 61 assertEquals(2, c0[1]); |
62 assertEquals(1, c0[0]); | 62 assertEquals(1, c0[0]); |
63 | 63 |
64 var c1 = [1, 2, 3.5]; | 64 var c1 = [1, 2, 3.5]; |
65 assertTrue(%HasFastDoubleElements(c1)); | 65 assertTrue(%HasFastDoubleElements(c1)); |
66 assertEquals(3.5, c1[2]); | 66 assertEquals(3.5, c1[2]); |
67 assertEquals(2, c1[1]); | 67 assertEquals(2, c1[1]); |
68 assertEquals(1, c1[0]); | 68 assertEquals(1, c1[0]); |
69 | 69 |
70 var c2 = [get(1), get(2), get(3.5)]; | 70 var c2 = [get(1), get(2), get(3.5)]; |
71 assertTrue(%HasFastDoubleElements(c2)); | 71 assertTrue(%HasFastDoubleElements(c2)); |
72 assertEquals(3.5, c2[2]); | 72 assertEquals(3.5, c2[2]); |
73 assertEquals(2, c2[1]); | 73 assertEquals(2, c2[1]); |
74 assertEquals(1, c2[0]); | 74 assertEquals(1, c2[0]); |
75 | 75 |
76 var object = new Object(); | 76 var object = new Object(); |
77 var d0 = [1, 2, object]; | 77 var d0 = [1, 2, object]; |
78 assertTrue(%HasFastElements(d0)); | 78 assertTrue(%HasFastObjectElements(d0)); |
79 assertEquals(object, d0[2]); | 79 assertEquals(object, d0[2]); |
80 assertEquals(2, d0[1]); | 80 assertEquals(2, d0[1]); |
81 assertEquals(1, d0[0]); | 81 assertEquals(1, d0[0]); |
82 | 82 |
83 var e0 = [1, 2, 3.5]; | 83 var e0 = [1, 2, 3.5]; |
84 assertTrue(%HasFastDoubleElements(e0)); | 84 assertTrue(%HasFastDoubleElements(e0)); |
85 assertEquals(3.5, e0[2]); | 85 assertEquals(3.5, e0[2]); |
86 assertEquals(2, e0[1]); | 86 assertEquals(2, e0[1]); |
87 assertEquals(1, e0[0]); | 87 assertEquals(1, e0[0]); |
88 | 88 |
89 var f0 = [1, 2, [1, 2]]; | 89 var f0 = [1, 2, [1, 2]]; |
90 assertTrue(%HasFastElements(f0)); | 90 assertTrue(%HasFastObjectElements(f0)); |
91 assertEquals([1,2], f0[2]); | 91 assertEquals([1,2], f0[2]); |
92 assertEquals(2, f0[1]); | 92 assertEquals(2, f0[1]); |
93 assertEquals(1, f0[0]); | 93 assertEquals(1, f0[0]); |
94 } | 94 } |
95 | 95 |
96 if (support_smi_only_arrays) { | 96 if (support_smi_only_arrays) { |
97 for (var i = 0; i < 3; i++) { | 97 for (var i = 0; i < 3; i++) { |
98 array_literal_test(); | 98 array_literal_test(); |
99 } | 99 } |
100 %OptimizeFunctionOnNextCall(array_literal_test); | 100 %OptimizeFunctionOnNextCall(array_literal_test); |
101 array_literal_test(); | 101 array_literal_test(); |
102 | 102 |
103 function test_large_literal() { | 103 function test_large_literal() { |
104 | 104 |
105 function d() { | 105 function d() { |
106 gc(); | 106 gc(); |
107 return 2.5; | 107 return 2.5; |
108 } | 108 } |
109 | 109 |
110 function o() { | 110 function o() { |
111 gc(); | 111 gc(); |
112 return new Object(); | 112 return new Object(); |
113 } | 113 } |
114 | 114 |
115 large = | 115 large = |
116 [ 0, 1, 2, 3, 4, 5, d(), d(), d(), d(), d(), d(), o(), o(), o(), o() ]; | 116 [ 0, 1, 2, 3, 4, 5, d(), d(), d(), d(), d(), d(), o(), o(), o(), o() ]; |
117 assertFalse(%HasDictionaryElements(large)); | 117 assertFalse(%HasDictionaryElements(large)); |
118 assertFalse(%HasFastSmiOnlyElements(large)); | 118 assertFalse(%HasFastSmiElements(large)); |
119 assertFalse(%HasFastDoubleElements(large)); | 119 assertFalse(%HasFastDoubleElements(large)); |
120 assertTrue(%HasFastElements(large)); | 120 assertTrue(%HasFastObjectElements(large)); |
121 assertEquals(large, | 121 assertEquals(large, |
122 [0, 1, 2, 3, 4, 5, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5, | 122 [0, 1, 2, 3, 4, 5, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5, |
123 new Object(), new Object(), new Object(), new Object()]); | 123 new Object(), new Object(), new Object(), new Object()]); |
124 } | 124 } |
125 | 125 |
126 for (var i = 0; i < 3; i++) { | 126 for (var i = 0; i < 3; i++) { |
127 test_large_literal(); | 127 test_large_literal(); |
128 } | 128 } |
129 %OptimizeFunctionOnNextCall(test_large_literal); | 129 %OptimizeFunctionOnNextCall(test_large_literal); |
130 test_large_literal(); | 130 test_large_literal(); |
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201 assertEquals(1, array[1]); | 201 assertEquals(1, array[1]); |
202 assertEquals(foo, array[2]); | 202 assertEquals(foo, array[2]); |
203 } | 203 } |
204 | 204 |
205 (function literals_after_osr() { | 205 (function literals_after_osr() { |
206 var color = [0]; | 206 var color = [0]; |
207 // Trigger OSR. | 207 // Trigger OSR. |
208 while (%GetOptimizationStatus(literals_after_osr) == 2) {} | 208 while (%GetOptimizationStatus(literals_after_osr) == 2) {} |
209 return [color[0]]; | 209 return [color[0]]; |
210 })(); | 210 })(); |
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