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Issue 109303006: Revert "Remove flag track-allocation-sites." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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.
12 // * Neither the name of Google Inc. nor the names of its 12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived 13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission. 14 // from this software without specific prior written permission.
15 // 15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 // Flags: --notrack_allocation_sites
29 30
30 // Limit the number of stress runs to reduce polymorphism it defeats some of the 31 // Limit the number of stress runs to reduce polymorphism it defeats some of the
31 // assumptions made about how elements transitions work because transition stubs 32 // assumptions made about how elements transitions work because transition stubs
32 // end up going generic. 33 // end up going generic.
33 // Flags: --stress-runs=2 34 // Flags: --stress-runs=2
34 35
35 // Test element kind of objects. 36 // Test element kind of objects.
36 // Since --smi-only-arrays affects builtins, its default setting at compile 37 // Since --smi-only-arrays affects builtins, its default setting at compile
37 // time sticks if built with snapshot. If --smi-only-arrays is deactivated 38 // time sticks if built with snapshot. If --smi-only-arrays is deactivated
38 // by default, only a no-snapshot build actually has smi-only arrays enabled 39 // by default, only a no-snapshot build actually has smi-only arrays enabled
(...skipping 67 matching lines...) Expand 10 before | Expand all | Expand 10 after
106 107
107 function assertKind(expected, obj, name_opt) { 108 function assertKind(expected, obj, name_opt) {
108 if (!support_smi_only_arrays && 109 if (!support_smi_only_arrays &&
109 expected == elements_kind.fast_smi_only) { 110 expected == elements_kind.fast_smi_only) {
110 expected = elements_kind.fast; 111 expected = elements_kind.fast;
111 } 112 }
112 assertEquals(expected, getKind(obj), name_opt); 113 assertEquals(expected, getKind(obj), name_opt);
113 } 114 }
114 115
115 %NeverOptimizeFunction(construct_smis); 116 %NeverOptimizeFunction(construct_smis);
116
117 // This code exists to eliminate the learning influence of AllocationSites
118 // on the following tests.
119 var __sequence = 0;
120 function make_array_string() {
121 this.__sequence = this.__sequence + 1;
122 return "/* " + this.__sequence + " */ [0, 0, 0];"
123 }
124 function make_array() {
125 return eval(make_array_string());
126 }
127
128 function construct_smis() { 117 function construct_smis() {
129 var a = make_array(); 118 var a = [0, 0, 0];
130 a[0] = 0; // Send the COW array map to the steak house. 119 a[0] = 0; // Send the COW array map to the steak house.
131 assertKind(elements_kind.fast_smi_only, a); 120 assertKind(elements_kind.fast_smi_only, a);
132 return a; 121 return a;
133 } 122 }
134 123
135 %NeverOptimizeFunction(construct_doubles); 124 %NeverOptimizeFunction(construct_doubles);
136 function construct_doubles() { 125 function construct_doubles() {
137 var a = construct_smis(); 126 var a = construct_smis();
138 a[0] = 1.5; 127 a[0] = 1.5;
139 assertKind(elements_kind.fast_double, a); 128 assertKind(elements_kind.fast_double, a);
(...skipping 28 matching lines...) Expand all
168 assertTrue(%HaveSameMap(smis, doubles)); 157 assertTrue(%HaveSameMap(smis, doubles));
169 } 158 }
170 159
171 test1(); 160 test1();
172 gc(); // clear IC state 161 gc(); // clear IC state
173 test1(); 162 test1();
174 gc(); // clear IC state 163 gc(); // clear IC state
175 %OptimizeFunctionOnNextCall(test1); 164 %OptimizeFunctionOnNextCall(test1);
176 test1(); 165 test1();
177 gc(); // clear IC state 166 gc(); // clear IC state
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