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| 1 // Copyright 2012 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 |
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| 30 | 30 |
| 31 // Test element kind of objects. | 31 // Test element kind of objects. |
| 32 // Since --smi-only-arrays affects builtins, its default setting at compile | 32 // Since --smi-only-arrays affects builtins, its default setting at compile |
| 33 // time sticks if built with snapshot. If --smi-only-arrays is deactivated | 33 // time sticks if built with snapshot. If --smi-only-arrays is deactivated |
| 34 // by default, only a no-snapshot build actually has smi-only arrays enabled | 34 // by default, only a no-snapshot build actually has smi-only arrays enabled |
| 35 // in this test case. Depending on whether smi-only arrays are actually | 35 // in this test case. Depending on whether smi-only arrays are actually |
| 36 // enabled, this test takes the appropriate code path to check smi-only arrays. | 36 // enabled, this test takes the appropriate code path to check smi-only arrays. |
| 37 | 37 |
| 38 // support_smi_only_arrays = %HasFastSmiElements(new Array(1,2,3,4,5,6,7,8)); | 38 // support_smi_only_arrays = %HasFastSmiElements(new Array(1,2,3,4,5,6,7,8)); |
| 39 support_smi_only_arrays = true; | 39 support_smi_only_arrays = true; |
| 40 optimize_constructed_arrays = true; | |
| 41 | 40 |
| 42 if (support_smi_only_arrays) { | 41 if (support_smi_only_arrays) { |
| 43 print("Tests include smi-only arrays."); | 42 print("Tests include smi-only arrays."); |
| 44 } else { | 43 } else { |
| 45 print("Tests do NOT include smi-only arrays."); | 44 print("Tests do NOT include smi-only arrays."); |
| 46 } | 45 } |
| 47 | 46 |
| 48 if (optimize_constructed_arrays) { | |
| 49 print("Tests include constructed array optimizations."); | |
| 50 } else { | |
| 51 print("Tests do NOT include constructed array optimizations."); | |
| 52 } | |
| 53 | |
| 54 var elements_kind = { | 47 var elements_kind = { |
| 55 fast_smi_only : 'fast smi only elements', | 48 fast_smi_only : 'fast smi only elements', |
| 56 fast : 'fast elements', | 49 fast : 'fast elements', |
| 57 fast_double : 'fast double elements', | 50 fast_double : 'fast double elements', |
| 58 dictionary : 'dictionary elements', | 51 dictionary : 'dictionary elements', |
| 59 external_byte : 'external byte elements', | 52 external_byte : 'external byte elements', |
| 60 external_unsigned_byte : 'external unsigned byte elements', | 53 external_unsigned_byte : 'external unsigned byte elements', |
| 61 external_short : 'external short elements', | 54 external_short : 'external short elements', |
| 62 external_unsigned_short : 'external unsigned short elements', | 55 external_unsigned_short : 'external unsigned short elements', |
| 63 external_int : 'external int elements', | 56 external_int : 'external int elements', |
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| 80 } | 73 } |
| 81 | 74 |
| 82 function assertKind(expected, obj, name_opt) { | 75 function assertKind(expected, obj, name_opt) { |
| 83 if (!support_smi_only_arrays && | 76 if (!support_smi_only_arrays && |
| 84 expected == elements_kind.fast_smi_only) { | 77 expected == elements_kind.fast_smi_only) { |
| 85 expected = elements_kind.fast; | 78 expected = elements_kind.fast; |
| 86 } | 79 } |
| 87 assertEquals(expected, getKind(obj), name_opt); | 80 assertEquals(expected, getKind(obj), name_opt); |
| 88 } | 81 } |
| 89 | 82 |
| 90 if (support_smi_only_arrays && optimize_constructed_arrays) { | 83 if (support_smi_only_arrays) { |
| 91 | 84 |
| 92 // Verify that basic elements kind feedback works for non-constructor | 85 // Verify that basic elements kind feedback works for non-constructor |
| 93 // array calls (as long as the call is made through an IC, and not | 86 // array calls (as long as the call is made through an IC, and not |
| 94 // a CallStub). | 87 // a CallStub). |
| 95 (function (){ | 88 (function (){ |
| 96 function create0() { | 89 function create0() { |
| 97 return Array(); | 90 return Array(); |
| 98 } | 91 } |
| 99 | 92 |
| 100 // Calls through ICs need warm up through uninitialized, then | 93 // Calls through ICs need warm up through uninitialized, then |
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| 211 | 204 |
| 212 var realmBArray = Realm.eval(realmB, "Array"); | 205 var realmBArray = Realm.eval(realmB, "Array"); |
| 213 instanceof_check(Array); | 206 instanceof_check(Array); |
| 214 instanceof_check(Array); | 207 instanceof_check(Array); |
| 215 instanceof_check(Array); | 208 instanceof_check(Array); |
| 216 instanceof_check(realmBArray); | 209 instanceof_check(realmBArray); |
| 217 instanceof_check(realmBArray); | 210 instanceof_check(realmBArray); |
| 218 instanceof_check(realmBArray); | 211 instanceof_check(realmBArray); |
| 219 })(); | 212 })(); |
| 220 } | 213 } |
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