Bob Nystrom
f1e81f9014
Change-Id: I7e520ef997291301b41c351b9f45ea3e9da74c37 Reviewed-on: https://dart-review.googlesource.com/3424 Reviewed-by: Erik Ernst <eernst@google.com>
41 lines
990 B
Dart
41 lines
990 B
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Test inlining of simple function with control flow in an effect context.
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// Optimize function foo with instance of A and inlined function bar. Call later
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// with instance of B and cause deoptimization.
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// VMOptions=--optimization-counter-threshold=10 --no-use-osr --no-background-compilation
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import "package:expect/expect.dart";
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class A {
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var x = 1;
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}
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class B {
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var x = 0;
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}
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int bar(o) {
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if (o.x > 0) {
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// <-- Deoptimize from inner frame.
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return 1;
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} else {
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return 0;
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}
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}
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int foo(o) {
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bar(o); // <-- Used in an effect context.
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return 1;
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}
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main() {
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dynamic o = new A();
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int sum = 0;
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for (int i = 0; i < 20; i++) sum += foo(o);
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o = new B();
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sum += foo(o); // <-- Cause deoptimization of bar within foo.
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Expect.equals(21, sum);
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}
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