Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/ObjectStampMeetTest.java @ 23060:4e72c50bb9c1
Improve handling of pi nodes that directly follow access nodes.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Sun, 22 Nov 2015 19:53:38 +0100 |
parents | 615f3bbbb174 |
children |
line wrap: on
line source
/* * Copyright (c) 2013, 2015, 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.nodes.test; import jdk.vm.ci.meta.JavaKind; import jdk.vm.ci.meta.ResolvedJavaType; import org.junit.Assert; import org.junit.Test; import com.oracle.graal.compiler.common.type.ObjectStamp; import com.oracle.graal.compiler.common.type.Stamp; import com.oracle.graal.compiler.common.type.StampFactory; public class ObjectStampMeetTest extends AbstractObjectStampTest { // class A // class B extends A // class C extends B implements I // class D extends A // abstract class E extends A // interface I @Test public void testMeet0() { Stamp a = StampFactory.declared(getType(A.class)); Stamp b = StampFactory.declared(getType(B.class)); Assert.assertEquals(a, meet(a, b)); } @Test public void testMeet1() { Stamp a = StampFactory.declared(getType(A.class)); Stamp aNonNull = StampFactory.declaredNonNull(getType(A.class)); Stamp b = StampFactory.declared(getType(B.class)); Stamp bNonNull = StampFactory.declaredNonNull(getType(B.class)); Assert.assertEquals(a, meet(aNonNull, b)); Assert.assertEquals(aNonNull, meet(aNonNull, bNonNull)); } @Test public void testMeet2() { Stamp a = StampFactory.declared(getType(A.class)); Stamp aExact = StampFactory.exactNonNull(getType(A.class)); Stamp b = StampFactory.declared(getType(B.class)); Assert.assertEquals(a, meet(aExact, b)); } @Test public void testMeet3() { Stamp a = StampFactory.declared(getType(A.class)); Stamp d = StampFactory.declared(getType(D.class)); Stamp c = StampFactory.declared(getType(C.class)); Assert.assertEquals(a, meet(c, d)); } @Test public void testMeet4() { Stamp dExactNonNull = StampFactory.exactNonNull(getType(D.class)); Stamp cExactNonNull = StampFactory.exactNonNull(getType(C.class)); Stamp aNonNull = StampFactory.declaredNonNull(getType(A.class)); Assert.assertEquals(aNonNull, meet(cExactNonNull, dExactNonNull)); } @Test public void testMeet() { Stamp dExact = StampFactory.exact(getType(D.class)); Stamp c = StampFactory.declared(getType(C.class)); Stamp a = StampFactory.declared(getType(A.class)); Assert.assertEquals(a, meet(dExact, c)); } @Test public void testMeet6() { Stamp dExactNonNull = StampFactory.exactNonNull(getType(D.class)); Stamp alwaysNull = StampFactory.alwaysNull(); Stamp dExact = StampFactory.exact(getType(D.class)); Assert.assertEquals(dExact, meet(dExactNonNull, alwaysNull)); } @Test public void testMeet7() { Stamp aExact = StampFactory.exact(getType(A.class)); Stamp e = StampFactory.declared(getType(E.class)); Stamp a = StampFactory.declared(getType(A.class)); Assert.assertEquals(a, meet(aExact, e)); } @Test public void testMeetInterface0() { Stamp a = StampFactory.declared(getType(A.class)); Stamp i = StampFactory.declaredTrusted(getType(I.class)); Assert.assertEquals(StampFactory.declared(getType(Object.class)), meet(a, i)); } @Test public void testMeetIllegal1() { for (Class<?> clazz : new Class<?>[]{A.class, B.class, C.class, D.class, E.class, I.class, Object.class}) { ResolvedJavaType type = getType(clazz); for (Stamp test : new Stamp[]{StampFactory.declared(type), StampFactory.declaredNonNull(type), StampFactory.exact(type), StampFactory.exactNonNull(type)}) { if (type.isConcrete() || !((ObjectStamp) test).isExactType()) { Assert.assertEquals("meeting empty and " + test, test, meet(StampFactory.empty(JavaKind.Object), test)); } } } } }