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Edit File: inline-param.js
// Copyright 2010 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Flags: --allow-natives-syntax // Test that we can inline a call with a parameter. function TestInlineOneParam(o, p) { // Effect context. o.f(p); // Value context. var x = o.f(p); assertEquals(42, x); assertEquals(42, o.f(p)); // Test context. if (!o.f(p)) { assertTrue(false); // Should not happen. } } var obj = {x:42}; var o1 = {}; o1.f = function(o) { return o.x; }; for (var i = 0; i < 5; i++) TestInlineOneParam(o1, obj); %OptimizeFunctionOnNextCall(TestInlineOneParam); TestInlineOneParam(o1, obj); TestInlineOneParam({f: o1.f}, {x:42}); function TestInlineTwoParams(o, p) { var y = 43; // Effect context. o.h(y, y); // Value context. var x = o.h(p, y); assertEquals(true, x); assertEquals(false, o.h(y, p)); // Test context. if (!o.h(p, y)) { assertTrue(false); // Should not happen. } // Perform the same tests again, but this time with non-trivial // expressions as the parameters. // Effect context. o.h(y + 1, y + 1); // Value context. var x = o.h(p + 1, y + 1); assertEquals(true, x); assertEquals(false, o.h(y + 1, p + 1)); // Test context. if (!o.h(p + 1, y + 1)) { assertTrue(false); // Should not happen. } } var o2 = {}; o2.h = function(i, j) { return i < j; }; for (var i = 0; i < 5; i++) TestInlineTwoParams(o2, 42); %OptimizeFunctionOnNextCall(TestInlineTwoParams); TestInlineTwoParams(o2, 42); TestInlineTwoParams({h: o2.h}, 42);