# HG changeset patch
# User Gilles Duboscq <duboscq@ssw.jku.at>
# Date 1333716070 -7200
# Node ID b968b71e22a4b4ae359e97fb314a2bc7d346454b
# Parent  e91f0761c56d53d9cd041bba75879c7bc17abce7
Allow tracking nodes responsible for a non-empty liveIn in LinearScan

diff -r e91f0761c56d -r b968b71e22a4 graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/alloc/LinearScan.java
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/alloc/LinearScan.java	Fri Apr 06 14:26:33 2012 +0200
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/alloc/LinearScan.java	Fri Apr 06 14:41:10 2012 +0200
@@ -860,7 +860,7 @@
         for (int operandNum = 0; operandNum < blockData.get(ir.cfg.getStartBlock()).liveIn.size(); operandNum++) {
             if (blockData.get(ir.cfg.getStartBlock()).liveIn.get(operandNum)) {
                 CiValue operand = operandFor(operandNum);
-                TTY.println(" var %d; operand=%s", operandNum, operand.toString());
+                TTY.println(" var %d; operand=%s; node=%s", operandNum, operand.toString(), gen.valueForOperand(operand));
 
                 for (int j = 0; j < numBlocks; j++) {
                     Block block = blockAt(j);
diff -r e91f0761c56d -r b968b71e22a4 graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/gen/LIRGenerator.java
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/gen/LIRGenerator.java	Fri Apr 06 14:26:33 2012 +0200
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/gen/LIRGenerator.java	Fri Apr 06 14:41:10 2012 +0200
@@ -27,6 +27,7 @@
 import static com.oracle.max.cri.ci.CiValue.*;
 
 import java.util.*;
+import java.util.Map.Entry;
 
 import com.oracle.graal.compiler.*;
 import com.oracle.graal.compiler.util.*;
@@ -173,6 +174,15 @@
         return nodeOperands.get(node);
     }
 
+    public ValueNode valueForOperand(CiValue value) {
+        for (Entry<Node, CiValue> entry : nodeOperands.entries()) {
+            if (entry.getValue() == value) {
+                return (ValueNode) entry.getKey();
+            }
+        }
+        return null;
+    }
+
     /**
      * Creates a new {@linkplain Variable variable}.
      * @param kind The kind of the new variable.