Mercurial > hg > truffle
view graal/com.oracle.graal.lir.test/src/com/oracle/graal/lir/test/ValuePositionTest1.java @ 19478:076cb9f9bdbc
Correctly kill the condition when cannonicalizing IfNode.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 18 Feb 2015 15:10:57 +0100 |
parents | 56cc1a799a60 |
children | 35481bcb5882 |
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/* * Copyright (c) 2014, 2014, 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. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.lir.test; import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*; import static org.junit.Assert.*; import java.util.*; import org.junit.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.LIRInstruction.OperandFlag; import com.oracle.graal.lir.asm.*; public class ValuePositionTest1 { private static class NestedCompositeValue extends CompositeValue { private static final long serialVersionUID = -8804214200173503527L; @Component({REG, OperandFlag.ILLEGAL}) protected Value value; public NestedCompositeValue(Value value) { super(LIRKind.Illegal); this.value = value; } } private static class DummyValue extends AbstractValue { private static final long serialVersionUID = -645435039553382737L; private final int id; private static int counter = 1; protected DummyValue() { super(LIRKind.Illegal); this.id = counter++; } @Override public int hashCode() { final int prime = 31; int result = super.hashCode(); result = prime * result + id; return result; } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (!super.equals(obj)) { return false; } if (getClass() != obj.getClass()) { return false; } DummyValue other = (DummyValue) obj; if (id != other.id) { return false; } return true; } } private static class TestOp extends LIRInstructionBase { @Use({COMPOSITE}) protected NestedCompositeValue compValue; public TestOp(NestedCompositeValue compValue) { this.compValue = compValue; } @Override public void emitCode(CompilationResultBuilder crb) { fail("should not reach!"); } } private static LIRInstruction createNestedOp(Value value, int nestingLevel) { NestedCompositeValue compValue = new NestedCompositeValue(value); for (int i = 0; i < nestingLevel; i++) { compValue = new NestedCompositeValue(compValue); } TestOp op = new TestOp(compValue); return op; } @Test public void nestedTest0() { DummyValue dummyValue = new DummyValue(); LIRInstruction op = createNestedOp(dummyValue, 0); List<ValuePosition> positions = new ArrayList<>(); op.forEachInputPos((instruction, position) -> positions.add(position)); assertEquals(1, positions.size()); assertEquals(dummyValue, positions.get(0).get(op)); } @Test public void nestedTest1() { DummyValue dummyValue = new DummyValue(); LIRInstruction op = createNestedOp(dummyValue, 1); List<ValuePosition> positions = new ArrayList<>(); op.forEachInputPos((instruction, position) -> positions.add(position)); assertEquals(1, positions.size()); assertEquals(dummyValue, positions.get(0).get(op)); } @Test public void nestedTest2() { DummyValue dummyValue = new DummyValue(); LIRInstruction op = createNestedOp(dummyValue, 2); List<ValuePosition> positions = new ArrayList<>(); op.forEachInputPos((instruction, position) -> positions.add(position)); assertEquals(1, positions.size()); assertEquals(dummyValue, positions.get(0).get(op)); } }