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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 |
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: --noparallel-recompilation | |
30 | 29 |
31 // Test element kind of objects. | 30 // Test element kind of objects. |
32 // Since --smi-only-arrays affects builtins, its default setting at compile | 31 // Since --smi-only-arrays affects builtins, its default setting at compile |
33 // time sticks if built with snapshot. If --smi-only-arrays is deactivated | 32 // 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 | 33 // 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 | 34 // 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. | 35 // enabled, this test takes the appropriate code path to check smi-only arrays. |
37 | 36 |
38 support_smi_only_arrays = %HasFastSmiElements([1,2,3,4,5,6,7,8,9,10]); | 37 support_smi_only_arrays = %HasFastSmiElements([1,2,3,4,5,6,7,8,9,10]); |
39 | 38 |
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137 } else { | 136 } else { |
138 return new Array(); | 137 return new Array(); |
139 } | 138 } |
140 } | 139 } |
141 | 140 |
142 deopt_array(false); | 141 deopt_array(false); |
143 deopt_array(false); | 142 deopt_array(false); |
144 deopt_array(false); | 143 deopt_array(false); |
145 %OptimizeFunctionOnNextCall(deopt_array); | 144 %OptimizeFunctionOnNextCall(deopt_array); |
146 var array = deopt_array(false); | 145 var array = deopt_array(false); |
147 assertTrue(2 != %GetOptimizationStatus(deopt_array)); | 146 assertOptimized(deopt_array); |
148 deopt_array(true); | 147 deopt_array(true); |
149 assertTrue(2 != %GetOptimizationStatus(deopt_array)); | 148 assertOptimized(deopt_array); |
150 array = deopt_array(false); | 149 array = deopt_array(false); |
151 assertTrue(2 != %GetOptimizationStatus(deopt_array)); | 150 assertOptimized(deopt_array); |
152 | 151 |
153 // Check that unexpected changes in the objects stored into the boilerplate | 152 // Check that unexpected changes in the objects stored into the boilerplate |
154 // also force a deopt. | 153 // also force a deopt. |
155 function deopt_array_literal_all_smis(a) { | 154 function deopt_array_literal_all_smis(a) { |
156 return [0, 1, a]; | 155 return [0, 1, a]; |
157 } | 156 } |
158 | 157 |
159 deopt_array_literal_all_smis(2); | 158 deopt_array_literal_all_smis(2); |
160 deopt_array_literal_all_smis(3); | 159 deopt_array_literal_all_smis(3); |
161 deopt_array_literal_all_smis(4); | 160 deopt_array_literal_all_smis(4); |
162 array = deopt_array_literal_all_smis(4); | 161 array = deopt_array_literal_all_smis(4); |
163 assertEquals(0, array[0]); | 162 assertEquals(0, array[0]); |
164 assertEquals(1, array[1]); | 163 assertEquals(1, array[1]); |
165 assertEquals(4, array[2]); | 164 assertEquals(4, array[2]); |
166 %OptimizeFunctionOnNextCall(deopt_array_literal_all_smis); | 165 %OptimizeFunctionOnNextCall(deopt_array_literal_all_smis); |
167 array = deopt_array_literal_all_smis(5); | 166 array = deopt_array_literal_all_smis(5); |
168 array = deopt_array_literal_all_smis(6); | 167 array = deopt_array_literal_all_smis(6); |
169 assertTrue(2 != %GetOptimizationStatus(deopt_array_literal_all_smis)); | 168 assertOptimized(deopt_array_literal_all_smis); |
170 assertEquals(0, array[0]); | 169 assertEquals(0, array[0]); |
171 assertEquals(1, array[1]); | 170 assertEquals(1, array[1]); |
172 assertEquals(6, array[2]); | 171 assertEquals(6, array[2]); |
173 | 172 |
174 array = deopt_array_literal_all_smis(.5); | 173 array = deopt_array_literal_all_smis(.5); |
175 assertTrue(1 != %GetOptimizationStatus(deopt_array_literal_all_smis)); | 174 assertUnoptimized(deopt_array_literal_all_smis); |
176 assertEquals(0, array[0]); | 175 assertEquals(0, array[0]); |
177 assertEquals(1, array[1]); | 176 assertEquals(1, array[1]); |
178 assertEquals(.5, array[2]); | 177 assertEquals(.5, array[2]); |
179 | 178 |
180 function deopt_array_literal_all_doubles(a) { | 179 function deopt_array_literal_all_doubles(a) { |
181 return [0.5, 1, a]; | 180 return [0.5, 1, a]; |
182 } | 181 } |
183 | 182 |
184 deopt_array_literal_all_doubles(.5); | 183 deopt_array_literal_all_doubles(.5); |
185 deopt_array_literal_all_doubles(.5); | 184 deopt_array_literal_all_doubles(.5); |
186 deopt_array_literal_all_doubles(.5); | 185 deopt_array_literal_all_doubles(.5); |
187 array = deopt_array_literal_all_doubles(0.5); | 186 array = deopt_array_literal_all_doubles(0.5); |
188 assertEquals(0.5, array[0]); | 187 assertEquals(0.5, array[0]); |
189 assertEquals(1, array[1]); | 188 assertEquals(1, array[1]); |
190 assertEquals(0.5, array[2]); | 189 assertEquals(0.5, array[2]); |
191 %OptimizeFunctionOnNextCall(deopt_array_literal_all_doubles); | 190 %OptimizeFunctionOnNextCall(deopt_array_literal_all_doubles); |
192 array = deopt_array_literal_all_doubles(5); | 191 array = deopt_array_literal_all_doubles(5); |
193 array = deopt_array_literal_all_doubles(6); | 192 array = deopt_array_literal_all_doubles(6); |
194 assertTrue(2 != %GetOptimizationStatus(deopt_array_literal_all_doubles)); | 193 assertOptimized(deopt_array_literal_all_doubles); |
195 assertEquals(0.5, array[0]); | 194 assertEquals(0.5, array[0]); |
196 assertEquals(1, array[1]); | 195 assertEquals(1, array[1]); |
197 assertEquals(6, array[2]); | 196 assertEquals(6, array[2]); |
198 | 197 |
199 var foo = new Object(); | 198 var foo = new Object(); |
200 array = deopt_array_literal_all_doubles(foo); | 199 array = deopt_array_literal_all_doubles(foo); |
201 assertTrue(1 != %GetOptimizationStatus(deopt_array_literal_all_doubles)); | 200 assertUnoptimized(deopt_array_literal_all_doubles); |
202 assertEquals(0.5, array[0]); | 201 assertEquals(0.5, array[0]); |
203 assertEquals(1, array[1]); | 202 assertEquals(1, array[1]); |
204 assertEquals(foo, array[2]); | 203 assertEquals(foo, array[2]); |
205 } | 204 } |
206 | 205 |
207 (function literals_after_osr() { | 206 (function literals_after_osr() { |
208 var color = [0]; | 207 var color = [0]; |
209 // Trigger OSR. | 208 // Trigger OSR. |
210 while (%GetOptimizationStatus(literals_after_osr) == 2) {} | 209 while (%GetOptimizationStatus(literals_after_osr, "no sync") == 2) {} |
211 return [color[0]]; | 210 return [color[0]]; |
212 })(); | 211 })(); |
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