Mercurial > hg > truffle
changeset 11668:05230c6c8d52
Small improvement to Graph.copy performance.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Mon, 16 Sep 2013 19:54:00 +0200 |
parents | 8e1e41cd2c75 |
children | a625d254e137 |
files | graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Graph.java |
diffstat | 1 files changed, 1 insertions(+), 2 deletions(-) [+] |
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--- a/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Graph.java Mon Sep 16 19:53:27 2013 +0200 +++ b/graal/com.oracle.graal.graph/src/com/oracle/graal/graph/Graph.java Mon Sep 16 19:54:00 2013 +0200 @@ -188,8 +188,7 @@ */ public Graph copy(String newName) { Graph copy = new Graph(newName); - Map<Node, Node> emptyMap = Collections.emptyMap(); - copy.addDuplicates(getNodes(), emptyMap); + copy.addDuplicates(getNodes(), (Map<Node, Node>) null); return copy; }