Index: tests/language/vm/licm_constant_redefinition_vm_test.dart |
diff --git a/tests/language/vm/licm_constant_redefinition_vm_test.dart b/tests/language/vm/licm_constant_redefinition_vm_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..24f481ef802b341f390fddd9e3319f6df2a38f49 |
--- /dev/null |
+++ b/tests/language/vm/licm_constant_redefinition_vm_test.dart |
@@ -0,0 +1,35 @@ |
+// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file |
+// for details. All rights reserved. Use of this source code is governed by a |
+// BSD-style license that can be found in the LICENSE file. |
+// VMOptions=--optimization_counter_threshold=100 --no-use-osr |
+ |
+import "package:expect/expect.dart"; |
+ |
+class X { |
+ final nested = []; |
+ |
+ get length => nested.length; |
+} |
+ |
+loop(val) { |
+ var sum = 0; |
+ for (var i = 0; i < 10; i++) { |
+ sum += val.length; |
+ } |
+ return sum; |
+} |
+ |
+// LoadField(LoadField(",", nested), length) should not be hoisted. |
+// Otherwise it would crash. |
+testRedef() => loop(","); |
+ |
+main() { |
+ // Provide polymorphic type feedback. |
+ loop(""); |
+ loop(new X()); |
+ |
+ // Optimize loop with a constant argument. |
+ for (var i = 0; i < 100; i++) { |
+ testRedef(); |
+ } |
+} |