Mercurial > hg > truffle
diff graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/type/StampTool.java @ 16003:83433cf49019
Fix incorrect null check in oop compression.
| author | Roland Schatz <roland.schatz@oracle.com> |
|---|---|
| date | Tue, 03 Jun 2014 11:01:58 +0200 |
| parents | 308cedd2aaa2 |
| children | 369a3f9d1ceb |
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--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/type/StampTool.java Tue Jun 03 10:52:22 2014 +0200 +++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/type/StampTool.java Tue Jun 03 11:01:58 2014 +0200 @@ -504,8 +504,8 @@ * always null */ public static boolean isObjectAlwaysNull(Stamp stamp) { - if (stamp instanceof ObjectStamp && stamp.isLegal()) { - return ((ObjectStamp) stamp).alwaysNull(); + if (stamp instanceof AbstractObjectStamp && stamp.isLegal()) { + return ((AbstractObjectStamp) stamp).alwaysNull(); } return false; } @@ -530,8 +530,8 @@ * always null */ public static boolean isObjectNonNull(Stamp stamp) { - if (stamp instanceof ObjectStamp && stamp.isLegal()) { - return ((ObjectStamp) stamp).nonNull(); + if (stamp instanceof AbstractObjectStamp && stamp.isLegal()) { + return ((AbstractObjectStamp) stamp).nonNull(); } return false; } @@ -555,8 +555,8 @@ * @return the Java type this stamp has if it is a legal Object stamp, null otherwise */ public static ResolvedJavaType typeOrNull(Stamp stamp) { - if (stamp instanceof ObjectStamp && stamp.isLegal()) { - return ((ObjectStamp) stamp).type(); + if (stamp instanceof AbstractObjectStamp && stamp.isLegal()) { + return ((AbstractObjectStamp) stamp).type(); } return null; } @@ -584,8 +584,8 @@ * @return true if this node represents a legal object stamp whose Java type is known exactly */ public static boolean isExactType(Stamp stamp) { - if (stamp instanceof ObjectStamp && stamp.isLegal()) { - return ((ObjectStamp) stamp).isExactType(); + if (stamp instanceof AbstractObjectStamp && stamp.isLegal()) { + return ((AbstractObjectStamp) stamp).isExactType(); } return false; }