Johnni Winther
e4b809f0e6
Change-Id: I7c3b100da899050a7eb234d53a70d235b3186675 Reviewed-on: https://dart-review.googlesource.com/c/91829 Reviewed-by: Johnni Winther <johnniwinther@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com>
79 lines
1.7 KiB
Dart
79 lines
1.7 KiB
Dart
// Copyright (c) 2019, 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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/*element: mod1:Specializer=[Modulo]*/
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@pragma('dart2js:noInline')
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mod1(param) {
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var a = param ? 0xFFFFFFFF : 1;
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return a % 2;
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// present: ' % 2'
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// absent: '$mod'
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}
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/*element: mod2:Specializer=[!Modulo]*/
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@pragma('dart2js:noInline')
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mod2(param) {
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var a = param ? 0xFFFFFFFF : -0.0;
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return a % 2;
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// Cannot optimize due to potential -0.
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// present: '$mod'
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// absent: ' % 2'
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}
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/*element: mod3:Specializer=[Modulo]*/
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@pragma('dart2js:noInline')
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mod3(param) {
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var a = param ? 0xFFFFFFFF : -0.0;
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return (a + 1) % 2;
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// 'a + 1' cannot be -0.0, so we can optimize.
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// present: ' % 2'
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// absent: '$mod'
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}
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/*element: rem1:Specializer=[Remainder]*/
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@pragma('dart2js:noInline')
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rem1(param) {
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var a = param ? 0xFFFFFFFF : 1;
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return a.remainder(2);
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// Above can be compiled to '%'.
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// present: ' % 2'
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// absent: 'remainder'
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}
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/*element: rem2:Specializer=[Remainder]*/
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@pragma('dart2js:noInline')
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rem2(param) {
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var a = param ? 123.4 : -1;
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return a.remainder(3);
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// Above can be compiled to '%'.
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// present: ' % 3'
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// absent: 'remainder'
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}
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/*element: rem3:Specializer=[!Remainder]*/
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@pragma('dart2js:noInline')
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rem3(param) {
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var a = param ? 123 : null;
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return 100.remainder(a);
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// No specialization for possibly null inputs.
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// present: 'remainder'
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// absent: '%'
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}
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main() {
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mod1(true);
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mod1(false);
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mod2(true);
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mod2(false);
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mod3(true);
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mod3(false);
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rem1(true);
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rem1(false);
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rem2(true);
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rem2(false);
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rem3(true);
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rem3(false);
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}
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