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Unified Diff: test/mjsunit/compiler/regress-shift-left.js

Issue 1213803008: [turbofan] Right hand side of shifts needs ToUint32. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 6 months ago
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Index: test/mjsunit/compiler/regress-shift-left.js
diff --git a/test/mjsunit/compiler/regress-shift-left.js b/test/mjsunit/compiler/regress-shift-left.js
new file mode 100644
index 0000000000000000000000000000000000000000..110e89972950324d9ffdbe0f3ff36a039f8a62a2
--- /dev/null
+++ b/test/mjsunit/compiler/regress-shift-left.js
@@ -0,0 +1,41 @@
+// Copyright 2015 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 ShiftLeftWithDeoptUsage() {
+ function g() {}
+
+ function f() {
+ var tmp = 1264475713;
+ var tmp1 = tmp - (-913041544);
+ g();
+ return 1 << tmp1;
+ }
+
+ %OptimizeFunctionOnNextCall(f);
+ assertEquals(512, f());
+})();
+
+
+(function ShiftLeftWithCallUsage() {
+ var f = (function() {
+ "use asm"
+ // This is not a valid asm.js, we use the "use asm" here to
+ // trigger Turbofan without deoptimization support.
+
+ function g(x) { return x; }
+
+ function f() {
+ var tmp = 1264475713;
+ var tmp1 = tmp - (-913041544);
+ return g(1 << tmp1, tmp1);
+ }
+
+ return f;
+ })();
+
+ %OptimizeFunctionOnNextCall(f);
+ assertEquals(512, f());
+})();
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