Mercurial > hg > graal-compiler
changeset 5889:73d12bcca62e
improve PiNode stamp exactness
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Mon, 20 Aug 2012 14:20:30 +0200 |
parents | bb373a5fce7e |
children | c241963cda6d |
files | graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/PiNode.java |
diffstat | 1 files changed, 3 insertions(+), 0 deletions(-) [+] |
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--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/PiNode.java Mon Aug 20 12:21:56 2012 +0200 +++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/PiNode.java Mon Aug 20 14:20:30 2012 +0200 @@ -61,6 +61,9 @@ setStamp(StampFactory.alwaysNull()); return true; } + if (object().objectStamp().isExactType() && !objectStamp().isExactType()) { + setStamp(object().objectStamp()); + } return super.inferStamp(); } }