Teagan Strickland
f822dfa3ea
This change introduces two new pragmas:
* `@pragma('vm:never-inline')`
* `@pragma('vm:prefer-inline')`
These replaces the old way of specifying AlwaysInline or NeverInline
annotations when the (now removed) --enable-inlining-annotations flag
was used.
Bug: https://github.com/dart-lang/sdk/issues/36571
Change-Id: Iee152c1d67abde8d58c58fa967449d36e77c8c93
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/110440
Commit-Queue: Teagan Strickland <sstrickl@google.com>
Reviewed-by: Samir Jindel <sjindel@google.com>
33 lines
1023 B
Dart
33 lines
1023 B
Dart
// Copyright (c) 2017, 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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// Regression test for dartbug.com/30853: check that we assign correct range
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// to Uint32 operations when creating them from Int64 operations.
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// VMOptions=--optimization_counter_threshold=50 --no-background-compilation
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import "package:expect/expect.dart";
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@pragma('vm:never-inline')
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noop(x) => x;
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const int BITS32 = 0xFFFFFFFF;
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@pragma('vm:prefer-inline')
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int toUint32(int x) => noop(x & BITS32);
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@pragma('vm:never-inline')
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bitNotAsUint32(x) {
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// After inlining we will have here BoxUint32(UnboxUint32(UnarySmiOp(~, x)))
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// UnboxUint32 must have correct range assigned, otherwise we will not
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// emit boxing slowpath and Uint32 4294967294 will become Int32 -2 instead.
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return toUint32(~x);
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}
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main() {
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for (var i = 0; i < 100; i++) {
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Expect.equals(0xfffffffe, bitNotAsUint32(1));
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}
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}
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