# HG changeset patch
# User Kevin Menard <kevin.j.menard@oracle.com>
# Date 1432221356 14400
# Node ID 37f65dc8c713ee8d3970e2a3eeea41a48a8b3661
# Parent  a0ae5a2ac5cf6e9bd533344391e784158bd5cdfb
Optimize singleton factory lists.

diff -r a0ae5a2ac5cf -r 37f65dc8c713 graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/generator/NodeCodeGenerator.java
--- a/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/generator/NodeCodeGenerator.java	Thu May 21 15:53:02 2015 +0200
+++ b/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/generator/NodeCodeGenerator.java	Thu May 21 11:15:56 2015 -0400
@@ -168,7 +168,12 @@
 
         CodeTreeBuilder builder = method.createBuilder();
         builder.startReturn();
-        builder.startStaticCall(context.getType(Arrays.class), "asList");
+
+        if (factoryList.size() > 1) {
+            builder.startStaticCall(context.getType(Arrays.class), "asList");
+        } else {
+            builder.startStaticCall(context.getType(Collections.class), "singletonList");
+        }
 
         for (NodeData child : factoryList) {
             builder.startGroup();