--- a/graal/GraalCompiler/src/com/sun/c1x/C1XOptions.java	Tue May 10 14:39:54 2011 +0200
+++ b/graal/GraalCompiler/src/com/sun/c1x/C1XOptions.java	Tue May 10 14:43:54 2011 +0200
@@ -78,6 +78,7 @@
     public static boolean PrintCodeBytes                     = ____;
     public static int     PrintAssemblyBytesPerLine          = 16;
     public static int     TraceLinearScanLevel               = 0;
+    public static int     TraceLIRGeneratorLevel             = 0;
     public static boolean TraceRelocation                    = ____;
     public static boolean TraceLIRVisit                      = ____;
     public static boolean TraceAssembler                     = ____;

--- a/graal/GraalCompiler/src/com/sun/c1x/debug/CFGPrinter.java	Tue May 10 14:39:54 2011 +0200
+++ b/graal/GraalCompiler/src/com/sun/c1x/debug/CFGPrinter.java	Tue May 10 14:43:54 2011 +0200
@@ -202,14 +202,14 @@
      * @param block the block for which the frame state is to be printed
      */
     private void printState(BlockBegin block) {
-        begin("state");
+        begin("states");
 
         FrameState state = block.stateBefore();
         int stackSize = state.stackSize();
         if (stackSize > 0) {
             begin("stack");
             out.print("size ").println(stackSize);
-            out.print("bci ").println(state.bci);
+            out.print("method \"").print(CiUtil.toLocation(C1XCompilation.compilation().method, state.bci)).println('"');
 
             int i = 0;
             while (i < stackSize) {
@@ -231,7 +231,7 @@
         if (state.locksSize() > 0) {
             begin("locks");
             out.print("size ").println(state.locksSize());
-            out.print("bci ").println(state.bci);
+            out.print("method \"").print(CiUtil.toLocation(C1XCompilation.compilation().method, state.bci)).println('"');
 
             for (int i = 0; i < state.locksSize(); ++i) {
                 Value value = state.lockAt(i);
@@ -246,7 +246,7 @@
 
         begin("locals");
         out.print("size ").println(state.localsSize());
-        out.print("bci ").println(state.bci);
+        out.print("method \"").print(CiUtil.toLocation(C1XCompilation.compilation().method, state.bci)).println('"');
         int i = 0;
         while (i < state.localsSize()) {
             Value value = state.localAt(i);
@@ -263,7 +263,7 @@
             }
         }
         end("locals");
-        end("state");
+        end("states");
     }
 
     /**
@@ -275,7 +275,7 @@
         }
 
         StringBuilder buf = new StringBuilder();
-        buf.append("[bci: ").append(state.bci).append("]");
+        buf.append(CiUtil.toLocation(C1XCompilation.compilation().method, state.bci));
         buf.append('\n');
         if (state.stackSize() > 0) {
             int i = 0;

--- a/graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java	Tue May 10 14:39:54 2011 +0200
+++ b/graal/GraalCompiler/src/com/sun/c1x/gen/LIRGenerator.java	Tue May 10 14:43:54 2011 +0200
@@ -225,15 +225,29 @@
         blockDoProlog(block);
         this.currentBlock = block;
 
+        if (C1XOptions.TraceLIRGeneratorLevel >= 1) {
+            TTY.println("BEGIN Generating LIR for block B" + block.blockID);
+        }
+
         for (Instruction instr = block; instr != null; instr = instr.next()) {
             FrameState stateAfter = instr.stateAfter();
-            if (stateAfter != null) {
-                lastState = stateAfter;
-            }
             if (!(instr instanceof BlockBegin)) {
                 walkState(instr, stateAfter);
                 doRoot(instr);
             }
+            if (stateAfter != null) {
+                lastState = stateAfter;
+                if (C1XOptions.TraceLIRGeneratorLevel >= 2) {
+                    TTY.println("STATE CHANGE");
+                    if (C1XOptions.TraceLIRGeneratorLevel >= 3) {
+                        TTY.println(stateAfter.toString());
+                    }
+                }
+            }
+        }
+
+        if (C1XOptions.TraceLIRGeneratorLevel >= 1) {
+            TTY.println("END Generating LIR for block B" + block.blockID);
         }
 
         this.currentBlock = null;
@@ -256,7 +270,7 @@
     public void visitBase(Base x) {
         // emit phi-instruction move after safepoint since this simplifies
         // describing the state at the safepoint.
-        moveToPhi();
+        //moveToPhi();
 
         // all blocks with a successor must end with an unconditional jump
         // to the successor even if they are consecutive
@@ -1234,6 +1248,9 @@
     }
 
     void doRoot(Instruction instr) {
+        if (C1XOptions.TraceLIRGeneratorLevel >= 2) {
+            TTY.println("Emitting LIR for instruction " + instr.toString());
+        }
         currentInstruction = instr;
         assert !instr.hasSubst() : "shouldn't have missed substitution";
 

--- a/graal/GraalCompiler/src/com/sun/c1x/ir/Value.java	Tue May 10 14:39:54 2011 +0200
+++ b/graal/GraalCompiler/src/com/sun/c1x/ir/Value.java	Tue May 10 14:43:54 2011 +0200
@@ -275,9 +275,13 @@
     @Override
     public String toString() {
         StringBuilder builder = new StringBuilder();
+        builder.append("#");
+        builder.append(id());
+        builder.append(' ');
+        if (id() < 10) {
+            builder.append(' ');
+        }
         builder.append(getClass().getSimpleName());
-        builder.append(" #");
-        builder.append(id());
         if (this instanceof Instruction) {
             builder.append(" @ ");
             builder.append(((Instruction) this).bci());