Inlining functions with control flow.

tests/language/inline_value_context_test.dart

+// Copyright (c) 2012, 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.
+// Test inlining of simple function with control flow in a value context.
+// Optimize and inline method foo. Call later via 'B' and cause deoptimization.
+
+class A {
+  int foo(x) {
+    if (x > 0) {
+      return 1;
+    } else {
+      return 0;
+    }
+  }
+}
+
+class B {
+  int foo(x) {
+    if (x > 0) {
+      return 0;
+    } else {
+      return 1;
+    }
+  }
+}
+
+class InlineValueContext {
+  static testMain() {
+    var o = new A();
+    int sum = 0;
+    for (int i = 0; i < 5000; i++) sum += o.foo(42);
+    o = new B();
+    sum += o.foo(42);  // <-- Deoptimizing.
+    Expect.equals(5000, sum);
+  }
+}
+
+main() {
+  InlineValueContext.testMain();

[srdjan, 2012/09/26 13:13:33]

Since testMain runs only once, the optimized version will never run, will it?

[zerny-google, 2012/09/27 10:21:46]

Indeed. This should really be a test with two nested frames and the top one
occurring in a value context.

+}