3ccc885c78
We are inserting HPushArgument instructions after HEnterInlined based on the environment at the point of the first arguments access. Which might create use before def if there are redundant phis in the environment. Review URL: https://chromiumcodereview.appspot.com/9837041 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11128 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
116 lines
3.0 KiB
JavaScript
116 lines
3.0 KiB
JavaScript
// Copyright 2011 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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function A() {
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}
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A.prototype.X = function (a, b, c) {
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assertTrue(this instanceof A);
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assertEquals(1, a);
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assertEquals(2, b);
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assertEquals(3, c);
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};
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A.prototype.Y = function () {
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this.X.apply(this, arguments);
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};
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A.prototype.Z = function () {
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this.Y(1,2,3);
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};
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var a = new A();
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a.Z(4,5,6);
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a.Z(4,5,6);
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%OptimizeFunctionOnNextCall(a.Z);
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a.Z(4,5,6);
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A.prototype.X.apply = function (receiver, args) {
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return Function.prototype.apply.call(this, receiver, args);
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};
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a.Z(4,5,6);
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// Ensure that HArgumentsObject is inserted in a correct place
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// and dominates all uses.
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function F1() { }
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function F2() { F1.apply(this, arguments); }
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function F3(x, y) {
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if (x) {
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F2(y);
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}
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}
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function F31() {
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return F1.apply(this, arguments);
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}
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function F4() {
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F3(true, false);
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return F31(1);
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}
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F4(1);
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F4(1);
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F4(1);
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%OptimizeFunctionOnNextCall(F4);
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F4(1);
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// Test correct adapation of arguments.
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// Strict mode prevents arguments object from shadowing parameters.
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(function () {
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"use strict";
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function G2() {
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assertArrayEquals([1,2], arguments);
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}
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function G4() {
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assertArrayEquals([1,2,3,4], arguments);
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}
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function adapt2to4(a, b, c, d) {
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G2.apply(this, arguments);
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}
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function adapt4to2(a, b) {
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G4.apply(this, arguments);
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}
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function test_adaptation() {
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adapt2to4(1, 2);
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adapt4to2(1, 2, 3, 4);
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}
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test_adaptation();
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test_adaptation();
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%OptimizeFunctionOnNextCall(test_adaptation);
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test_adaptation();
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})();
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