| // Copyright (c) 2019, 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. |
| // |
| // Check that the optimizer does not fuse constants with different |
| // representations. |
| // |
| // SharedObjects=ffi_test_functions |
| |
| // @dart = 2.9 |
| |
| import "dart:ffi"; |
| |
| import "package:expect/expect.dart"; |
| |
| import "dylib_utils.dart"; |
| |
| main() { |
| final ffiTestFunctions = dlopenPlatformSpecific("ffi_test_functions"); |
| |
| final intComputation = ffiTestFunctions.lookupFunction< |
| Int64 Function(Int64, Int8), int Function(int, int)>("Regress39044"); |
| |
| // The arguments are the same Smi constant, however they are different sizes. |
| final result = intComputation( |
| /* dart::kUnboxedInt64 --> int64_t */ 1, |
| /* dart::kUnboxedInt32 --> truncated to int8_t */ 1); |
| |
| Expect.equals(0, result); |
| } |