Lasse R.H. Nielsen
f1fcecc81d
Recognize a second operand if its `ToUint32` is `0xFFFFFFFF`, not just the exact value. This includes fx `& -1`, which is output by `toUnsigned(32)`. Change-Id: Ieccb42591efd72b4aae62a7c6e678f05510abdc6 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/510960 Reviewed-by: Stephen Adams <sra@google.com> Commit-Queue: Lasse Nielsen <lrn@google.com>
50 lines
1.2 KiB
Dart
50 lines
1.2 KiB
Dart
// Copyright (c) 2026, 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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// Data for a `../codegen_shard*_test.dart` test.
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/*member: main:ignore*/
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void main() {
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for (var a in [0x123456789, 0, -2]) {
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sink = recognizeMask32(a);
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sink = recognizeMaskToUint32(a);
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sink = recognizeNegativeMaskToUint32(a);
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sink = recognizeAndFromToUnsigned(a);
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}
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}
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Object? sink;
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@pragma('dart2js:noInline')
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/*member: recognizeMask32:function(thing) {
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return thing >>> 0;
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}*/
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int recognizeMask32(int thing) {
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return thing & 0xFFFF_FFFF;
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}
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@pragma('dart2js:noInline')
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/*member: recognizeMaskToUint32:function(thing) {
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return thing >>> 0;
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}*/
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int recognizeMaskToUint32(int thing) {
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return thing & 0xFFFF_FFFF_FFFF;
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}
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@pragma('dart2js:noInline')
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/*member: recognizeNegativeMaskToUint32:function(thing) {
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return thing >>> 0;
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}*/
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int recognizeNegativeMaskToUint32(int thing) {
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return thing & -1;
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}
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@pragma('dart2js:noInline')
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/*member: recognizeAndFromToUnsigned:function(thing) {
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return thing >>> 0;
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}*/
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int recognizeAndFromToUnsigned(int thing) {
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return thing.toUnsigned(32);
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}
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