Files
sdk/tests/language/optimize/deopt_smi_op_test.dart
T
Robert Nystrom c959c9aba7 Migrate language_2/optimize to NNBD.
Change-Id: I3f67dd79ff2ee745cc2ea161ce7150630e805c97
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150186
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Nicholas Shahan <nshahan@google.com>
2020-06-06 01:42:35 +00:00

37 lines
991 B
Dart

// Copyright (c) 2012, 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.
// VMOptions=--optimization-counter-threshold=10 --no-use-osr
import "package:expect/expect.dart";
// Test hoisted (loop-invariant) smi operations with deoptimization.
test_mul(h) {
var x;
for (var i = 0; i < 3; i++) {
x = h * 100000;
}
return x;
}
test_neg(h) {
var x;
for (var i = 0; i < 3; i++) {
x = -h;
}
return x;
}
main() {
for (var i = 0; i < 20; i++) test_mul(10);
Expect.equals(1000000, test_mul(10));
Expect.equals(100000000000, test_mul(1000000));
Expect.equals(100000 * 0x3fffffffffffffff, test_mul(0x3fffffffffffffff));
for (var i = 0; i < 20; i++) test_neg(10);
Expect.equals(-10, test_neg(10));
Expect.equals(0x40000000, test_neg(-0x40000000));
Expect.equals(0x4000000000000000, test_neg(-0x4000000000000000));
}