mirror of
https://github.com/dart-lang/sdk
synced 2024-09-05 16:41:07 +00:00
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>
36 lines
804 B
Dart
36 lines
804 B
Dart
// Copyright (c) 2016, 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 that canonicalization inserts constants with correct representation.
|
|
// VMOptions=--optimization-counter-threshold=10 --optimization-filter=bar --no-background-compilation
|
|
|
|
// @dart = 2.9
|
|
|
|
import 'dart:typed_data';
|
|
|
|
toSigned(v, width) {
|
|
var signMask = 1 << (width - 1);
|
|
return (v & (signMask - 1)) - (v & signMask);
|
|
}
|
|
|
|
foo(value) {
|
|
return value >> 32;
|
|
}
|
|
|
|
bar(td) {
|
|
return toSigned(foo(td[0]), 64);
|
|
}
|
|
|
|
main() {
|
|
toSigned(1 << 1, 32);
|
|
toSigned(1 << 32, 32);
|
|
|
|
var l = new Int64List(1);
|
|
l[0] = 0x78f7f6f5f4f3f2f1;
|
|
|
|
for (var i = 0; i < 20; i++) {
|
|
bar(l);
|
|
}
|
|
}
|