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Issue 21173004: Version 3.20.11.1 (Closed) Base URL: https://v8.googlecode.com/svn/trunk
Patch Set: Created 7 years, 4 months ago
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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
29
30 // Verifies that the KeyedStoreIC correctly handles out-of-bounds stores 28 // Verifies that the KeyedStoreIC correctly handles out-of-bounds stores
31 // to an array that grow it by a single element. Test functions are 29 // to an array that grow it by a single element. Test functions are
32 // called twice to make sure that the IC is used, first call is handled 30 // called twice to make sure that the IC is used, first call is handled
33 // by the runtime in the miss stub. 31 // by the runtime in the miss stub.
34 32
35 function array_store_1(a,b,c) { 33 function array_store_1(a,b,c) {
36 return (a[b] = c); 34 return (a[b] = c);
37 } 35 }
38 36
39 // Check handling of the empty array. 37 // Check handling of the empty array.
(...skipping 139 matching lines...) Expand 10 before | Expand all | Expand 10 after
179 function array_store_9(a,b,c) { 177 function array_store_9(a,b,c) {
180 return (a[b] = c); 178 return (a[b] = c);
181 } 179 }
182 180
183 var a = []; 181 var a = [];
184 array_store_9(a, 0, 0.5); 182 array_store_9(a, 0, 0.5);
185 a = []; 183 a = [];
186 array_store_1(a, 0, 0.5); 184 array_store_1(a, 0, 0.5);
187 assertEquals(0.5, a[0]); 185 assertEquals(0.5, a[0]);
188 assertEquals(0.5, array_store_1([], 0, 0.5)); 186 assertEquals(0.5, array_store_1([], 0, 0.5));
189
190 // Verify that a grow store will deoptimize if the max gap (difference between
191 // the end of an array capacity and a new index) is passed. The wrapper is to
192 // make sure array_store_10 isn't inlined.
193
194 (function() {
195 function grow_store(a,b,c) {
196 a[b] = c;
197 }
198
199 a = new Array(1);
200 grow_store(a,1,1);
201 grow_store(a,2,1);
202 %OptimizeFunctionOnNextCall(grow_store);
203 grow_store(a,10,1);
204 assertOptimized(grow_store);
205 grow_store(a,2048,1);
206 assertUnoptimized(grow_store);
207 %ClearFunctionTypeFeedback(grow_store);
208 })();
209
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