31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
123 lines
4.2 KiB
JavaScript
123 lines
4.2 KiB
JavaScript
// Copyright 2012 the V8 project authors. All rights reserved.
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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
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// Test optimized versions of array and object literals.
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function TestOptimizedLiteral(create, verify) {
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%PrepareFunctionForOptimization(create);
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verify(create(1, 2, 3), 1, 2, 3);
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verify(create(3, 5, 7), 3, 5, 7);
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%OptimizeFunctionOnNextCall(create);
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verify(create(11, 23, 42), 11, 23, 42);
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}
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// Test shallow array literal.
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function create_arr_shallow(a, b, c) {
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return [0, a, 0, b, 0, c];
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}
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function verify_arr_shallow(array, a, b, c) {
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assertSame(6, array.length);
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assertSame(0, array[0]);
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assertSame(a, array[1]);
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assertSame(0, array[2]);
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assertSame(b, array[3]);
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assertSame(0, array[4]);
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assertSame(c, array[5]);
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}
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TestOptimizedLiteral(create_arr_shallow, verify_arr_shallow);
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// Test nested array literal.
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function create_arr_nested(a, b, c) {
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return [[0, a], [b, c], [1, 2], 3];
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}
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function verify_arr_nested(array, a, b, c) {
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assertSame(4, array.length);
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assertSame(2, array[0].length);
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assertSame(0, array[0][0]);
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assertSame(a, array[0][1]);
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assertSame(2, array[1].length);
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assertSame(b, array[1][0]);
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assertSame(c, array[1][1]);
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assertSame(2, array[2].length);
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assertSame(1, array[2][0]);
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assertSame(2, array[2][1]);
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assertSame(3, array[3]);
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}
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TestOptimizedLiteral(create_arr_nested, verify_arr_nested);
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// Test shallow object literal.
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function create_obj_shallow(a, b, c) {
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return { x:a, y:b, z:c, v:'foo', 9:'bar' };
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}
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function verify_obj_shallow(object, a, b, c) {
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assertSame(a, object.x);
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assertSame(b, object.y);
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assertSame(c, object.z);
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assertSame('foo', object.v);
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assertSame('bar', object[9]);
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}
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TestOptimizedLiteral(create_obj_shallow, verify_obj_shallow);
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// Test nested object literal.
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function create_obj_nested(a, b, c) {
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return { x:{ v:a, w:b }, y:{ v:1, w:2 }, z:c, v:'foo', 9:'bar' };
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}
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function verify_obj_nested(object, a, b, c) {
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assertSame(a, object.x.v);
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assertSame(b, object.x.w);
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assertSame(1, object.y.v);
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assertSame(2, object.y.w);
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assertSame(c, object.z);
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assertSame('foo', object.v);
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assertSame('bar', object[9]);
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}
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TestOptimizedLiteral(create_obj_nested, verify_obj_nested);
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// Test mixed array and object literal.
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function create_mixed_nested(a, b, c) {
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return { x:[1, 2], y:[a, b], z:c, v:{ v:'foo' }, 9:'bar' };
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}
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function verify_mixed_nested(object, a, b, c) {
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assertSame(2, object.x.length);
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assertSame(1, object.x[0]);
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assertSame(2, object.x[1]);
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assertSame(2, object.y.length);
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assertSame(a, object.y[0]);
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assertSame(b, object.y[1]);
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assertSame(c, object.z);
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assertSame('foo', object.v.v);
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assertSame('bar', object[9]);
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}
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TestOptimizedLiteral(create_mixed_nested, verify_mixed_nested);
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