dart-sdk/tests/language_2/deopt_smi_op_test.dart
Ben Konyi c0364e372d Migrated test block 58 to Dart 2.0.
No major changes.

Bug:
Change-Id: I7092880088d0fd334d6d2b1f6d4f1dbc2cb03ed2
Reviewed-on: https://dart-review.googlesource.com/7487
Commit-Queue: Ben Konyi <bkonyi@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>
Reviewed-by: Phil Quitslund <pquitslund@google.com>
2017-09-25 13:51:22 +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));
}