/*
* Copyright (c) 2016, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* 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).
*
* You should have received a copy of the GNU General Public License version
* 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.nodes;
import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.nodes.ControlFlowException;
import com.oracle.truffle.api.nodes.ExplodeLoop;
import com.oracle.truffle.api.nodes.ExplodeLoop.LoopExplosionKind;
import com.oracle.truffle.api.nodes.NodeInfo;
@NodeInfo
public class ExplodeLoopUntilReturnWithThrowNode extends AbstractTestNode {
int search = 2;
@CompilationFinal int zero = 0;
public ExplodeLoopUntilReturnWithThrowNode() {
try {
/*
* Execute code so that all classes are loaded, since execute() does not actually call
* this method due to the 0-iteration loop.
*/
doSearch();
} catch (Throwable ex) {
}
}
@Override
public int execute(VirtualFrame frame) {
for (int i = 0; i < zero; i++) {
/*
* Loop unrolling will remove the code later on, but the partial evaluator still
* processes it.
*/
doSearch();
}
return 42;
}
@ExplodeLoop(kind = LoopExplosionKind.FULL_EXPLODE_UNTIL_RETURN)
private void doSearch() {
for (int i = 0; i < 3; i++) {
if (i == search) {
/*
* Test that the partial evaluator can handle exception throws in
* FULL_EXPLODE_UNTIL_RETURN loops.
*/
throw new ControlFlowException();
}
}
}
}