Mercurial > hg > truffle

changeset 11668:05230c6c8d52

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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(-) [+]
line wrap: on
line diff
--- 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;
     }