[Isolates] Merge crankshaft (r5922 from bleeding_edge).

test/mjsunit/compiler/array-access.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.
+
+function Get0(a) {
+  return a[0];
+}
+
+function GetN(a,n) {
+  return a[n];
+}
+
+function GetA0(a) {
+  return a[a[0]];
+}
+
+function GetAN(a,n) {
+  return a[a[n]];
+}
+
+function GetAAN(a,n) {
+  return a[a[a[n]]];
+}
+
+function RunGetTests() {
+  var a = [2,0,1];
+  assertEquals(2, Get0(a));
+
+  assertEquals(2, GetN(a, 0));
+  assertEquals(0, GetN(a, 1));
+  assertEquals(1, GetN(a, 2));
+
+  assertEquals(1, GetA0(a));
+
+  assertEquals(1, GetAN(a,0));
+  assertEquals(2, GetAN(a,1));
+  assertEquals(0, GetAN(a,2));
+
+  assertEquals(0, GetAAN(a,0));
+  assertEquals(1, GetAAN(a,1));
+  assertEquals(2, GetAAN(a,2));
+}
+
+
+function Set07(a) {
+  a[0] = 7;
+}
+
+function Set0V(a, v) {
+  a[0] = v;
+}
+
+function SetN7(a, n) {
+  a[n] = 7;
+}
+
+function SetNX(a, n, x) {
+  a[n] = x;
+}
+
+function RunSetTests(a) {
+  Set07(a);
+  assertEquals(7, a[0]);
+  assertEquals(0, a[1]);
+  assertEquals(0, a[2]);
+
+  Set0V(a, 1);
+  assertEquals(1, a[0]);
+  assertEquals(0, a[1]);
+  assertEquals(0, a[2]);
+
+  SetN7(a, 2);
+  assertEquals(1, a[0]);
+  assertEquals(0, a[1]);
+  assertEquals(7, a[2]);
+
+  SetNX(a, 1, 5);
+  assertEquals(1, a[0]);
+  assertEquals(5, a[1]);
+  assertEquals(7, a[2]);
+
+  for (var i = 0; i < 3; i++) SetNX(a, i, 0);
+  assertEquals(0, a[0]);
+  assertEquals(0, a[1]);
+  assertEquals(0, a[2]);
+}
+
+function RunArrayBoundsCheckTest() {
+  var g = [1,2,3];
+
+  function f(a, i) { a[i] = 42; }
+
+  for (var i = 0; i < 100000; i++) { f(g, 0); }
+
+  f(g, 4);
+
+  assertEquals(42, g[0]);
+  assertEquals(42, g[4]);
+}
+
+var a = [0,0,0];
+var o = {0: 0, 1: 0, 2: 0};
+for (var i = 0; i < 1000; i++) {
+  RunGetTests();
+  RunSetTests(a);
+  RunSetTests(o);
+}
+
+RunArrayBoundsCheckTest();