[Isolates] Merge crankshaft (r5922 from bleeding_edge).

test/mjsunit/compiler/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.
+
+// 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 < 10000; i++) 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 < 10000; i++) TestInlineTwoParams(o2, 42);
+TestInlineTwoParams({h: o2.h}, 42);