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deps/v8/test/mjsunit/turboshaft/maglev-frontend/to-boolean.js

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+// Copyright 2024 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax --turbolev --turbofan
+
+// Testing ToBoolean and LogicalNot on various datatypes.
+
+function f(x, y) {
+  let a = x * 2;
+  let b = a * 2.27;
+  return [!a, !y, !b];
+}
+
+%PrepareFunctionForOptimization(f);
+assertEquals([false, false, false], f(4, 3));
+assertEquals([true, true, true], f(0, 0));
+%OptimizeFunctionOnNextCall(f);
+assertEquals([false, false, false], f(4, 3));
+assertEquals([true, true, true], f(0, 0));
+assertOptimized(f);