# HG changeset patch
# User Lukas Stadler <lukas.stadler@jku.at>
# Date 1368533464 -7200
# Node ID f95f178b58c285c03ee58b8f7e63d2bfc7841fd3
# Parent  f7148150ae37b08d0ab489b4e2693799e009c1ed
don't allocate new variables for NullCheckOps

diff -r f7148150ae37 -r f95f178b58c2 graal/com.oracle.graal.compiler.amd64/src/com/oracle/graal/compiler/amd64/AMD64LIRGenerator.java
--- a/graal/com.oracle.graal.compiler.amd64/src/com/oracle/graal/compiler/amd64/AMD64LIRGenerator.java	Tue May 14 09:20:48 2013 +0200
+++ b/graal/com.oracle.graal.compiler.amd64/src/com/oracle/graal/compiler/amd64/AMD64LIRGenerator.java	Tue May 14 14:11:04 2013 +0200
@@ -366,9 +366,7 @@
     @Override
     public void emitNullCheck(ValueNode v, DeoptimizingNode deoping) {
         assert v.kind() == Kind.Object;
-        Variable obj = newVariable(Kind.Object);
-        emitMove(obj, operand(v));
-        append(new AMD64Move.NullCheckOp(obj, state(deoping)));
+        append(new AMD64Move.NullCheckOp(load(operand(v)), state(deoping)));
     }
 
     @Override