Added pass1 optimization removing empty blocks.

src/dk/camelot64/kickc/CompileLog.java

@@ -12,7 +12,7 @@ public class CompileLog {
    public void append(String msg) {
       log.append(msg);
       log.append("\n");
-      System.out.printf(msg+"\n");
+      //System.out.printf(msg+"\n");
    }
 
    public StringBuilder getLog() {

src/dk/camelot64/kickc/Compiler.java

@@ -153,6 +153,7 @@ public class Compiler {
          Pass1EliminateEmptyBlocks pass1EliminateEmptyBlocks = new Pass1EliminateEmptyBlocks(program, log);
          boolean blockEliminated = pass1EliminateEmptyBlocks.eliminate();
          if(blockEliminated) {
+            log.append("CONTROL FLOW GRAPH");
             log.append(program.getGraph().toString(program.getScope()));
          }
 

src/dk/camelot64/kickc/test/ref/bresenham.log

@@ -152,6 +152,7 @@ INITIAL CONTROL FLOW GRAPH
 Removing empty block @4
 Removing empty block @5
 Removing empty block @6
+CONTROL FLOW GRAPH
 @BEGIN: from
   (byte) STAR ← (byte) 81
   (byte[1000]) SCREEN ← (word) 1024

src/dk/camelot64/kickc/test/ref/flipper-rex2.log

@@ -369,6 +369,7 @@ Removing empty block flip::@6
 Removing empty block @3
 Removing empty block plot::@4
 Removing empty block @4
+CONTROL FLOW GRAPH
 @BEGIN: from
   (byte[1000]) SCREEN ← (word) 1024
   (byte[256]) buffer1 ← (word) 4096

src/dk/camelot64/kickc/test/ref/loopmin.log

@@ -61,6 +61,7 @@ INITIAL CONTROL FLOW GRAPH
 Removing empty block @4
 Removing empty block @5
 Removing empty block @6
+CONTROL FLOW GRAPH
 @BEGIN: from
   (byte) i ← (byte) 10
   (byte) s ← (byte) 0

src/dk/camelot64/kickc/test/ref/minus.log

@@ -45,6 +45,7 @@ INITIAL CONTROL FLOW GRAPH
 @END: from @2
 
 Removing empty block @2
+CONTROL FLOW GRAPH
 @BEGIN: from
   (byte[16]) p ← (word) 4352
   (byte) i ← (byte) 5

src/dk/camelot64/kickc/test/ref/summin.log

@@ -54,6 +54,7 @@ sum::@1: from
 
 Removing empty block sum::@1
 Removing empty block @1
+CONTROL FLOW GRAPH
 @BEGIN: from
   (byte~) $0 ← call sum (byte) 1 (byte) 2 
   (byte) s1 ← (byte~) $0