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// 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 function foo with instance of A and inlined function bar. Call later
// with instance of B and cause deoptimization.
// VMOptions=--optimization-counter-threshold=10 --no-use-osr --no-background-compilation
// @dart = 2.9
import "package:expect/expect.dart";
class A {
var x = 1;
}
class B {
var x = 0;
}
int bar(o) {
if (o.x > 0) {
// <-- Deoptimize from inner frame.
return 1;
} else {
return 0;
}
}
int foo(o) {
if (bar(o) > 0) {
// <-- Used in a value context.
return 1;
} else {
return 0;
}
}
main() {
dynamic o = new A();
int sum = 0;
for (int i = 0; i < 20; i++) sum += foo(o);
o = new B();
sum += foo(o); // <-- Cause deoptimization of bar within foo.
Expect.equals(20, sum);
}