Mercurial > hg > graal-jvmci-8
changeset 10015:deb5bd841422
aot: add verification phase
author | Bernhard Urban <bernhard.urban@jku.at> |
---|---|
date | Wed, 12 Jun 2013 17:24:20 +0200 |
parents | 16dfdc920e77 |
children | 7709bb831916 |
files | graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/AheadOfTimeVerifcationPhase.java |
diffstat | 2 files changed, 53 insertions(+), 0 deletions(-) [+] |
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--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java Wed Jun 12 16:04:43 2013 +0200 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotRuntime.java Wed Jun 12 17:24:20 2013 +0200 @@ -1076,6 +1076,9 @@ if (AOTCompilation.getValue()) { // lowering introduces class constants, therefore it must be after lowering ret.getHighTier().addPhase(new LoadJavaMirrorWithKlassPhase()); + if (VerifyPhases.getValue()) { + ret.getHighTier().addPhase(new AheadOfTimeVerifcationPhase()); + } } ret.getMidTier().addPhase(new WriteBarrierAdditionPhase());
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/AheadOfTimeVerifcationPhase.java Wed Jun 12 17:24:20 2013 +0200 @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2013, 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.hotspot.phases; + +import com.oracle.graal.api.meta.*; +import com.oracle.graal.nodes.*; +import com.oracle.graal.phases.*; + +public class AheadOfTimeVerifcationPhase extends VerifyPhase { + + @Override + protected boolean verify(StructuredGraph graph) { + for (ConstantNode node : graph.getNodes().filter(ConstantNode.class)) { + assert !isOop(node) || isNullReference(node) || isString(node) : "embedded oop: " + node; + } + return true; + } + + private static boolean isOop(ConstantNode node) { + return node.kind() == Kind.Object; + } + + private static boolean isNullReference(ConstantNode node) { + return isOop(node) && node.asConstant().asObject() == null; + } + + private static boolean isString(ConstantNode node) { + return isOop(node) && node.asConstant().asObject() instanceof String; + } +}