Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(38)

Unified Diff: test/mjsunit/regress/regress-359491.js

Issue 228883005: Avoid hydrogen compare-objects-equal assertions in dead code (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Changed the deopt from eager to soft Created 6 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/hydrogen.cc ('k') | no next file » | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: test/mjsunit/regress/regress-359491.js
diff --git a/test/mjsunit/regress/regress-359491.js b/test/mjsunit/regress/regress-359491.js
new file mode 100644
index 0000000000000000000000000000000000000000..194376b316a175f6443b5e8153c52072c6810043
--- /dev/null
+++ b/test/mjsunit/regress/regress-359491.js
@@ -0,0 +1,31 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+function f(a, b, mode) {
+ if (mode) {
+ return a === b;
+ } else {
+ return a === b;
+ }
+}
+
+// Gather type feedback for both branches.
+f("a", "b", 1);
+f("c", "d", 1);
+f("a", "b", 0);
+f("c", "d", 0);
+
+function g(mode) {
+ var x = 1e10 | 0;
+ f(x, x, mode);
+}
+
+// Gather type feedback for g, but only on one branch for f.
+g(1);
+g(1);
+%OptimizeFunctionOnNextCall(g);
+// Optimize g, which inlines f. Both branches in f will see the constant.
+g(0);
« no previous file with comments | « src/hydrogen.cc ('k') | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698