2012-05-23 14:24:29 +00:00
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// Copyright 2012 the V8 project authors. All rights reserved.
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2011-10-19 11:36:55 +00:00
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --allow-natives-syntax --smi-only-arrays --expose-gc
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// Test element kind of objects.
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// Since --smi-only-arrays affects builtins, its default setting at compile
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// time sticks if built with snapshot. If --smi-only-arrays is deactivated
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// by default, only a no-snapshot build actually has smi-only arrays enabled
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// in this test case. Depending on whether smi-only arrays are actually
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// enabled, this test takes the appropriate code path to check smi-only arrays.
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2012-05-23 14:24:29 +00:00
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support_smi_only_arrays = %HasFastSmiElements([1,2,3,4,5,6,7,8,9,10]);
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2011-12-06 22:27:15 +00:00
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if (support_smi_only_arrays) {
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print("Tests include smi-only arrays.");
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} else {
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print("Tests do NOT include smi-only arrays.");
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}
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2011-10-19 11:36:55 +00:00
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// IC and Crankshaft support for smi-only elements in dynamic array literals.
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function get(foo) { return foo; } // Used to generate dynamic values.
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function array_literal_test() {
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var a0 = [1, 2, 3];
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2012-05-23 14:24:29 +00:00
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assertTrue(%HasFastSmiElements(a0));
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2011-10-19 11:36:55 +00:00
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var a1 = [get(1), get(2), get(3)];
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2012-05-23 14:24:29 +00:00
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assertTrue(%HasFastSmiElements(a1));
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2011-10-19 11:36:55 +00:00
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var b0 = [1, 2, get("three")];
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2012-05-23 14:24:29 +00:00
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assertTrue(%HasFastObjectElements(b0));
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2011-10-19 11:36:55 +00:00
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var b1 = [get(1), get(2), get("three")];
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2012-05-23 14:24:29 +00:00
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assertTrue(%HasFastObjectElements(b1));
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2011-10-19 11:36:55 +00:00
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var c0 = [1, 2, get(3.5)];
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assertTrue(%HasFastDoubleElements(c0));
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assertEquals(3.5, c0[2]);
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assertEquals(2, c0[1]);
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assertEquals(1, c0[0]);
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var c1 = [1, 2, 3.5];
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assertTrue(%HasFastDoubleElements(c1));
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assertEquals(3.5, c1[2]);
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assertEquals(2, c1[1]);
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assertEquals(1, c1[0]);
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var c2 = [get(1), get(2), get(3.5)];
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assertTrue(%HasFastDoubleElements(c2));
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assertEquals(3.5, c2[2]);
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assertEquals(2, c2[1]);
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assertEquals(1, c2[0]);
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var object = new Object();
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var d0 = [1, 2, object];
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2012-05-23 14:24:29 +00:00
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assertTrue(%HasFastObjectElements(d0));
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2011-10-19 11:36:55 +00:00
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assertEquals(object, d0[2]);
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assertEquals(2, d0[1]);
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assertEquals(1, d0[0]);
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var e0 = [1, 2, 3.5];
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assertTrue(%HasFastDoubleElements(e0));
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assertEquals(3.5, e0[2]);
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assertEquals(2, e0[1]);
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assertEquals(1, e0[0]);
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var f0 = [1, 2, [1, 2]];
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2012-05-23 14:24:29 +00:00
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assertTrue(%HasFastObjectElements(f0));
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2011-10-19 11:36:55 +00:00
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assertEquals([1,2], f0[2]);
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assertEquals(2, f0[1]);
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assertEquals(1, f0[0]);
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}
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if (support_smi_only_arrays) {
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for (var i = 0; i < 3; i++) {
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array_literal_test();
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}
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%OptimizeFunctionOnNextCall(array_literal_test);
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array_literal_test();
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function test_large_literal() {
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function d() {
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gc();
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return 2.5;
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}
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function o() {
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gc();
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return new Object();
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}
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large =
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[ 0, 1, 2, 3, 4, 5, d(), d(), d(), d(), d(), d(), o(), o(), o(), o() ];
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assertFalse(%HasDictionaryElements(large));
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2012-05-23 14:24:29 +00:00
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assertFalse(%HasFastSmiElements(large));
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2011-10-19 11:36:55 +00:00
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assertFalse(%HasFastDoubleElements(large));
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2012-05-23 14:24:29 +00:00
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assertTrue(%HasFastObjectElements(large));
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2011-10-19 11:36:55 +00:00
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assertEquals(large,
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[0, 1, 2, 3, 4, 5, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5,
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new Object(), new Object(), new Object(), new Object()]);
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}
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for (var i = 0; i < 3; i++) {
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test_large_literal();
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}
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%OptimizeFunctionOnNextCall(test_large_literal);
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test_large_literal();
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2011-12-02 12:42:35 +00:00
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function deopt_array(use_literal) {
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if (use_literal) {
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return [.5, 3, 4];
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} else {
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return new Array();
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}
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}
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deopt_array(false);
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deopt_array(false);
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deopt_array(false);
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%OptimizeFunctionOnNextCall(deopt_array);
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var array = deopt_array(false);
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assertTrue(2 != %GetOptimizationStatus(deopt_array));
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deopt_array(true);
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2011-12-14 13:32:34 +00:00
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assertTrue(2 != %GetOptimizationStatus(deopt_array));
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2011-12-02 12:42:35 +00:00
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array = deopt_array(false);
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2011-12-14 13:32:34 +00:00
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assertTrue(2 != %GetOptimizationStatus(deopt_array));
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2011-12-02 12:42:35 +00:00
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// Check that unexpected changes in the objects stored into the boilerplate
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// also force a deopt.
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function deopt_array_literal_all_smis(a) {
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return [0, 1, a];
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}
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deopt_array_literal_all_smis(2);
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deopt_array_literal_all_smis(3);
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deopt_array_literal_all_smis(4);
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array = deopt_array_literal_all_smis(4);
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assertEquals(0, array[0]);
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assertEquals(1, array[1]);
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assertEquals(4, array[2]);
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%OptimizeFunctionOnNextCall(deopt_array_literal_all_smis);
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array = deopt_array_literal_all_smis(5);
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array = deopt_array_literal_all_smis(6);
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assertTrue(2 != %GetOptimizationStatus(deopt_array_literal_all_smis));
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assertEquals(0, array[0]);
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assertEquals(1, array[1]);
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assertEquals(6, array[2]);
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array = deopt_array_literal_all_smis(.5);
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assertTrue(1 != %GetOptimizationStatus(deopt_array_literal_all_smis));
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assertEquals(0, array[0]);
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assertEquals(1, array[1]);
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assertEquals(.5, array[2]);
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function deopt_array_literal_all_doubles(a) {
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return [0.5, 1, a];
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}
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deopt_array_literal_all_doubles(.5);
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deopt_array_literal_all_doubles(.5);
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deopt_array_literal_all_doubles(.5);
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array = deopt_array_literal_all_doubles(0.5);
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assertEquals(0.5, array[0]);
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assertEquals(1, array[1]);
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assertEquals(0.5, array[2]);
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%OptimizeFunctionOnNextCall(deopt_array_literal_all_doubles);
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array = deopt_array_literal_all_doubles(5);
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array = deopt_array_literal_all_doubles(6);
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assertTrue(2 != %GetOptimizationStatus(deopt_array_literal_all_doubles));
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assertEquals(0.5, array[0]);
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assertEquals(1, array[1]);
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assertEquals(6, array[2]);
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var foo = new Object();
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array = deopt_array_literal_all_doubles(foo);
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assertTrue(1 != %GetOptimizationStatus(deopt_array_literal_all_doubles));
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assertEquals(0.5, array[0]);
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assertEquals(1, array[1]);
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assertEquals(foo, array[2]);
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2011-10-19 11:36:55 +00:00
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}
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2011-12-14 13:01:27 +00:00
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(function literals_after_osr() {
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var color = [0];
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// Trigger OSR.
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while (%GetOptimizationStatus(literals_after_osr) == 2) {}
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return [color[0]];
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})();
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