Remove unnecessary labels

src/AstMetodBodyBuilder.cs

@@ -68,7 +68,9 @@ namespace Decompiler
 					astStatement = MakeComment(description);
 				}
 				//astBlock.Children.Add(MakeComment(description));
-				astBlock.Children.Add(new Ast.LabelStatement(string.Format("IL_{0:X2}", instr.Offset)));
+				if (stackAnalysis.BranchTargetOf[instr].Count > 0) {
+					astBlock.Children.Add(new Ast.LabelStatement(string.Format("IL_{0:X2}", instr.Offset)));
+				}
 				astBlock.Children.Add(astStatement);
 				//astBlock.Children.Add(MakeComment(" " + stackAnalysis.StackAfter[instr].ToString()));
 			}

src/StackAnalysis.cs

@@ -108,6 +108,7 @@ namespace Decompiler
 		MethodDefinition methodDef;
 		Dictionary<Instruction, CilStack> stackBefore = new Dictionary<Instruction, CilStack>();
 		Dictionary<Instruction, CilStack> stackAfter = new Dictionary<Instruction, CilStack>();
+		Dictionary<Instruction, List<Instruction>> branchTargetOf = new Dictionary<Instruction, List<Instruction>>();
 		
 		public Dictionary<Instruction, CilStack> StackBefore {
 			get { return stackBefore; }
@@ -117,6 +118,10 @@ namespace Decompiler
 			get { return stackAfter; }
 		}
 		
+		public Dictionary<Instruction, List<Instruction>> BranchTargetOf {
+			get { return branchTargetOf; }
+		}
+		
 		public Cecil.TypeReference GetTypeOf(Instruction inst)
 		{
 			if (Util.GetNumberOfOutputs(methodDef, inst) == 0) {
@@ -132,6 +137,15 @@ namespace Decompiler
 			foreach(Instruction inst in methodDef.Body.Instructions) {
 				stackBefore[inst] = null;
 				stackAfter[inst] = null;
+				branchTargetOf[inst] = new List<Instruction>();
+			}
+			
+			foreach(Instruction inst in methodDef.Body.Instructions) {
+				if (inst.OpCode.FlowControl == FlowControl.Branch ||
+				    inst.OpCode.FlowControl == FlowControl.Cond_Branch)
+				{
+					branchTargetOf[(Instruction)inst.Operand].Add(inst);
+				}
 			}
 			
 			if (methodDef.Body.Instructions.Count > 0) {