Mercurial > hg > truffle
changeset 13780:d6ac7ebead35
canonicalize a LoadField on a null constant object to deopt
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Tue, 28 Jan 2014 14:39:48 +0100 |
parents | fc5e2c808a23 |
children | 7adf2778dc96 |
files | graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/LoadFieldNode.java |
diffstat | 1 files changed, 3 insertions(+), 0 deletions(-) [+] |
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--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/LoadFieldNode.java Tue Jan 28 12:38:08 2014 +0100 +++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/LoadFieldNode.java Tue Jan 28 14:39:48 2014 +0100 @@ -74,6 +74,9 @@ return phi; } } + if (!isStatic() && object().isNullConstant()) { + return graph().add(new DeoptimizeNode(DeoptimizationAction.None, DeoptimizationReason.NullCheckException)); + } return this; }