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Issue: https://github.com/dart-lang/sdk/issues/39044 Change-Id: I19b1309adb769742b498ed0b6fe80ae38a779405 Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-dartkb-linux-debug-simarm64-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-dartkb-linux-debug-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,vm-kernel-reload-rollback-linux-debug-x64-try,vm-kernel-precomp-mac-release-simarm_x64-try,dart-sdk-linux-try,flutter-engine-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/122396 Commit-Queue: Daco Harkes <dacoharkes@google.com> Reviewed-by: Martin Kustermann <kustermann@google.com>
29 lines
913 B
Dart
29 lines
913 B
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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//
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// Check that the optimizer does not fuse constants with different
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// representations.
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//
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// SharedObjects=ffi_test_functions
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import "dart:ffi";
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import "package:expect/expect.dart";
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import "dylib_utils.dart";
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main() {
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final ffiTestFunctions = dlopenPlatformSpecific("ffi_test_functions");
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final intComputation = ffiTestFunctions.lookupFunction<
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Int64 Function(Int64, Int8), int Function(int, int)>("Regress39044");
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// The arguments are the same Smi constant, however they are different sizes.
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final result = intComputation(
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/* dart::kUnboxedInt64 --> int64_t */ 1,
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/* dart::kUnboxedInt32 --> truncated to int8_t */ 1);
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Expect.equals(0, result);
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}
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