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Issue 10442015: Rollback of r11638, r11636 on trunk branch. (Closed) Base URL: https://v8.googlecode.com/svn/trunk
Patch Set: Created 8 years, 7 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2011 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.
(...skipping 14 matching lines...) Expand all
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 = %HasFastSmiElements([1,2,3,4,5,6,7,8,9,10]); 36 support_smi_only_arrays = %HasFastSmiOnlyElements([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(%HasFastSmiElements(a0)); 49 assertTrue(%HasFastSmiOnlyElements(a0));
50 var a1 = [get(1), get(2), get(3)]; 50 var a1 = [get(1), get(2), get(3)];
51 assertTrue(%HasFastSmiElements(a1)); 51 assertTrue(%HasFastSmiOnlyElements(a1));
52 52
53 var b0 = [1, 2, get("three")]; 53 var b0 = [1, 2, get("three")];
54 assertTrue(%HasFastObjectElements(b0)); 54 assertTrue(%HasFastElements(b0));
55 var b1 = [get(1), get(2), get("three")]; 55 var b1 = [get(1), get(2), get("three")];
56 assertTrue(%HasFastObjectElements(b1)); 56 assertTrue(%HasFastElements(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(%HasFastObjectElements(d0)); 78 assertTrue(%HasFastElements(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(%HasFastObjectElements(f0)); 90 assertTrue(%HasFastElements(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(%HasFastSmiElements(large)); 118 assertFalse(%HasFastSmiOnlyElements(large));
119 assertFalse(%HasFastDoubleElements(large)); 119 assertFalse(%HasFastDoubleElements(large));
120 assertTrue(%HasFastObjectElements(large)); 120 assertTrue(%HasFastElements(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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