Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
47 lines
1.1 KiB
Dart
47 lines
1.1 KiB
Dart
// Copyright (c) 2011, 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 instance getters.
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// Three classes access always the same field. Optimize method foo and inline
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// getter for classes 'A' and 'B'. Call later via 'C' and cause deoptimization.
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// VMOptions=--optimization-counter-threshold=10 --no-use-osr --no-background-compilation
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// @dart = 2.9
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import "package:expect/expect.dart";
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class A {
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int f;
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A(this.f) {}
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int foo() {
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return f; // <-- inline getter for classes 'A' and 'B'.
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}
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}
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class B extends A {
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B() : super(2) {}
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}
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class C extends A {
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C() : super(10) {}
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}
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class InlineGetterTest {
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static testMain() {
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var a = new A(1);
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var b = new B();
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int sum = 0;
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for (int i = 0; i < 20; i++) {
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sum += a.foo();
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sum += b.foo();
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}
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var c = new C();
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sum += c.foo(); // <-- Deoptimizing.
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Expect.equals(70, sum);
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}
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}
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main() {
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InlineGetterTest.testMain();
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}
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