Mercurial > hg > graal-compiler
changeset 13688:1e28a62e6031
remove LoadFieldNodes without usages
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Wed, 15 Jan 2014 17:00:40 +0100 |
parents | 099fb62caefb |
children | 04615309d018 |
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 Wed Jan 15 16:03:07 2014 +0100 +++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/LoadFieldNode.java Wed Jan 15 17:00:40 2014 +0100 @@ -60,6 +60,9 @@ @Override public Node canonical(CanonicalizerTool tool) { + if (usages().isEmpty() && (isStatic() || ObjectStamp.isObjectNonNull(object().stamp()))) { + return null; + } MetaAccessProvider metaAccess = tool.getMetaAccess(); if (tool.canonicalizeReads() && metaAccess != null) { ConstantNode constant = asConstant(metaAccess);