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Issue 104923010: Remove flag track-allocation-sites. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Included ports this time! Created 6 years, 11 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 --smi-only-arrays --notrack-allocation-sites 28 // Flags: --allow-natives-syntax --smi-only-arrays
29 29 // Flags: --nostress-opt
30 // No tracking of allocation sites because it interfers with the semantics
31 // the test is trying to ensure.
32 30
33 // Ensure that ElementsKind transitions in various situations are hoisted (or 31 // Ensure that ElementsKind transitions in various situations are hoisted (or
34 // not hoisted) correctly, don't change the semantics programs and don't trigger 32 // not hoisted) correctly, don't change the semantics programs and don't trigger
35 // deopt through hoisting in important situations. 33 // deopt through hoisting in important situations.
36 34
37 support_smi_only_arrays = %HasFastSmiElements(new Array(1,2,3,4,5,6)); 35 support_smi_only_arrays = %HasFastSmiElements(new Array(1,2,3,4,5,6));
38 36
39 if (support_smi_only_arrays) { 37 if (support_smi_only_arrays) {
40 print("Tests include smi-only arrays."); 38 print("Tests include smi-only arrays.");
41 } else { 39 } else {
42 print("Tests do NOT include smi-only arrays."); 40 print("Tests do NOT include smi-only arrays.");
43 } 41 }
44 42
45 if (support_smi_only_arrays) { 43 function test_wrapper() {
46 // Make sure that a simple elements array transitions inside a loop before 44 // Make sure that a simple elements array transitions inside a loop before
47 // stores to an array gets hoisted in a way that doesn't generate a deopt in 45 // stores to an array gets hoisted in a way that doesn't generate a deopt in
48 // simple cases.} 46 // simple cases.}
49 function testDoubleConversion4(a) { 47 function testDoubleConversion4(a) {
50 var object = new Object(); 48 var object = new Object();
51 a[0] = 0; 49 a[0] = 0;
52 var count = 3; 50 var count = 3;
53 do { 51 do {
54 a[0] = object; 52 a[0] = object;
55 } while (--count > 0); 53 } while (--count > 0);
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232 testStraightLineDupeElinination(new Array(5),0,.5,0,0,0); 230 testStraightLineDupeElinination(new Array(5),0,.5,0,0,0);
233 testStraightLineDupeElinination(new Array(5),0,0,.5,0,0); 231 testStraightLineDupeElinination(new Array(5),0,0,.5,0,0);
234 testStraightLineDupeElinination(new Array(5),0,0,0,.5,0); 232 testStraightLineDupeElinination(new Array(5),0,0,0,.5,0);
235 testStraightLineDupeElinination(new Array(5),0,0,0,0,.5); 233 testStraightLineDupeElinination(new Array(5),0,0,0,0,.5);
236 %OptimizeFunctionOnNextCall(testStraightLineDupeElinination); 234 %OptimizeFunctionOnNextCall(testStraightLineDupeElinination);
237 testStraightLineDupeElinination(new Array(5),0,0,0,0,0); 235 testStraightLineDupeElinination(new Array(5),0,0,0,0,0);
238 testStraightLineDupeElinination(new Array(5),0,0,0,0,0); 236 testStraightLineDupeElinination(new Array(5),0,0,0,0,0);
239 assertOptimized(testStraightLineDupeElinination); 237 assertOptimized(testStraightLineDupeElinination);
240 %ClearFunctionTypeFeedback(testStraightLineDupeElinination); 238 %ClearFunctionTypeFeedback(testStraightLineDupeElinination);
241 } 239 }
240
241 if (support_smi_only_arrays) {
242 // The test is called in a test wrapper that has type feedback cleared to
243 // prevent the influence of allocation-sites, which learn from transitions.
244 test_wrapper();
245 %ClearFunctionTypeFeedback(test_wrapper);
246 }
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