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// Copyright (c) 2014, 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 correctness of side effects tracking used by load to load forwarding.
// @dart = 2.9
// VMOptions=--no-use-osr --optimization-counter-threshold=10 --no-background-compilation
// Tests correct handling of redefinitions in aliasing computation.
import "package:expect/expect.dart";
B G;
class A {
int val = -1;
@pragma('vm:prefer-inline')
poly(p) {
p.aa = this;
}
}
@pragma('vm:never-inline')
modify() {
G.aa.val = 123;
}
class B {
A aa;
@pragma('vm:prefer-inline')
poly(p) {
G = this;
foo2(p, this);
modify();
}
}
@pragma('vm:prefer-inline')
foo(obj, p) => obj.poly(p);
@pragma('vm:prefer-inline')
foo2(obj, p) => obj.poly(p);
@pragma('vm:never-inline')
testfunc() {
var a = new A();
var b = new B();
foo(b, a);
return a.val;
}
main() {
foo(new B(), new A());
foo(new A(), new B());
foo2(new B(), new A());
foo2(new A(), new B());
for (var i = 0; i < 100; i++) testfunc();
Expect.equals(123, testfunc());
}