Upgrade to 3.29
Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.
Bug: 17370214
Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/test/webkit/dfg-arith-add-overflow-check-elimination-tower-of-large-numbers.js b/test/webkit/dfg-arith-add-overflow-check-elimination-tower-of-large-numbers.js
new file mode 100644
index 0000000..718fa5e
--- /dev/null
+++ b/test/webkit/dfg-arith-add-overflow-check-elimination-tower-of-large-numbers.js
@@ -0,0 +1,59 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. 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.
+//
+// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
+
+description(
+"Tests that if we have a tower of large numerical constants being added to each other, the DFG knows that a sufficiently large tower may produce a large enough value that overflow check elimination must be careful."
+);
+
+function foo(a, b) {
+ return (a + b + 281474976710655 + 281474976710655 + 281474976710655 + 281474976710655 +
+ 281474976710655 + 281474976710655 + 281474976710655 + 281474976710655 +
+ 281474976710655 + 281474976710655 + 281474976710655 + 281474976710655 +
+ 281474976710655 + 281474976710655 + 281474976710655 + 281474976710655 +
+ 281474976710655 + 281474976710655 + 281474976710655 + 281474976710655 +
+ 281474976710655 + 281474976710655 + 281474976710655 + 281474976710655 +
+ 281474976710655 + 281474976710655 + 281474976710655 + 281474976710655 +
+ 281474976710655 + 281474976710655 + 281474976710655 + 281474976710655 + 30) | 0;
+}
+
+function bar(a, b, o) {
+ eval(""); // Prevent this function from being opt compiled.
+ return foo(a, b, o);
+}
+
+var warmup = 200;
+
+for (var i = 0; i < warmup + 1; ++i) {
+ var a, b, c;
+ var expected;
+ if (i < warmup) {
+ a = 1;
+ b = 2;
+ expected = 0;
+ } else {
+ a = 2147483645;
+ b = 2147483644;
+ expected = -10;
+ }
+ shouldBe("bar(" + a + ", " + b + ")", "" + expected);
+}