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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.graalvm.compiler.truffle.test;
import org.graalvm.compiler.truffle.DefaultTruffleCompiler;
import org.graalvm.compiler.truffle.GraalTruffleRuntime;
import org.graalvm.compiler.truffle.OptimizedCallTarget;
import org.junit.Assert;
import org.junit.Test;
import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.nodes.RootNode;
public class TransferToInterpreterTest {
private final class TestRootNode extends RootNode {
private TestRootNode() {
super(null);
}
@Override
public Object execute(VirtualFrame frame) {
int x = (int) frame.getArguments()[0];
if (x == 0) {
CompilerDirectives.transferToInterpreter();
} else {
CompilerDirectives.transferToInterpreterAndInvalidate();
}
return null;
}
}
@Test
public void test() {
RootNode rootNode = new TestRootNode();
OptimizedCallTarget target = (OptimizedCallTarget) GraalTruffleRuntime.getRuntime().createCallTarget(rootNode);
target.call(0);
Assert.assertFalse(target.isValid());
DefaultTruffleCompiler.create(GraalTruffleRuntime.getRuntime()).compileMethod(target, GraalTruffleRuntime.getRuntime());
Assert.assertTrue(target.isValid());
target.call(0);
Assert.assertTrue(target.isValid());
target.call(1);
Assert.assertFalse(target.isValid());
}
}