# HG changeset patch
# User Josef Eisl <josef.eisl@jku.at>
# Date 1429792528 -7200
# Node ID ca85b783309c915607b00d5fa0d76286a1e434a0
# Parent  7223cb16dfa6637cef5bf28ff4ddae0fc4b68b33
Add LabelOp.isPhiIn().

diff -r 7223cb16dfa6 -r ca85b783309c graal/com.oracle.graal.lir/src/com/oracle/graal/lir/StandardOp.java
--- a/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/StandardOp.java	Mon Apr 20 15:30:15 2015 +0200
+++ b/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/StandardOp.java	Thu Apr 23 14:35:28 2015 +0200
@@ -23,6 +23,7 @@
 package com.oracle.graal.lir;
 
 import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
+import static com.oracle.graal.lir.LIRValueUtil.*;
 
 import java.util.*;
 
@@ -113,6 +114,13 @@
         public Label getLabel() {
             return label;
         }
+
+        /**
+         * @return true if this label acts as a PhiIn.
+         */
+        public boolean isPhiIn() {
+            return getIncomingSize() > 0 && isVariable(getIncomingValue(0));
+        }
     }
 
     /**