# HG changeset patch
# User Josef Eisl <josef.eisl@jku.at>
# Date 1435764471 -7200
# Node ID 148053aa82084342937db106baac1172959deebe
# Parent  090f8f3bbe61a2db687a9ee728c31b7dc8c85e74
NodeValueMap: add valueForOperand.

diff -r 090f8f3bbe61 -r 148053aa8208 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/spi/NodeValueMap.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/spi/NodeValueMap.java	Wed Jul 01 17:20:36 2015 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/spi/NodeValueMap.java	Wed Jul 01 17:27:51 2015 +0200
@@ -35,4 +35,10 @@
     boolean hasOperand(Node object);
 
     Value setResult(ValueNode x, Value operand);
+
+    /**
+     * Gets the the {@link ValueNode} that produced a {@code value}. If the {@code value} is not
+     * associated with a {@link ValueNode} {@code null} is returned.
+     */
+    ValueNode valueForOperand(Value value);
 }