Fixed conditional loops

ICSharpCode.Decompiler/Ast/AstMetodBodyBuilder.cs

@@ -704,7 +704,9 @@ namespace Decompiler
 				case Code.Starg: throw new NotImplementedException();
 				case Code.Stloc: {
 					if (operand is ILStackVariable) {
-						return new Ast.AssignmentExpression(new Ast.IdentifierExpression(((ILStackVariable)operand).Name), AssignmentOperatorType.Assign, arg1);
+						Ast.LocalVariableDeclaration astLocalVar = new Ast.LocalVariableDeclaration(new Ast.VariableDeclaration(((ILStackVariable)operand).Name, arg1));
+						astLocalVar.TypeReference = new Ast.TypeReference("var");
+						return astLocalVar;
 					}
 					VariableDefinition locVar = (VariableDefinition)operand;
 					string name = locVar.Name;

ICSharpCode.Decompiler/ILAst/ControlFlow/Node-Optimize.cs

@@ -60,9 +60,7 @@ namespace Decompiler.ControlFlow
 		public void OptimizeShortCircuits()
 		{
 			foreach(Node child in this.Childs) {
-				if (child is Loop) {
-					child.OptimizeShortCircuits();
-				}
+				child.OptimizeShortCircuits();
 			}
 			
 		Reset:
@@ -130,9 +128,7 @@ namespace Decompiler.ControlFlow
 		public void OptimizeConditions()
 		{
 			foreach(Node child in this.Childs) {
-				if (child is Loop) {
-					child.OptimizeConditions();
-				}
+				child.OptimizeConditions();
 			}
 			
 			Node conditionNode = this.HeadChild;

ICSharpCode.Decompiler/ILAst/ControlFlow/Nodes.cs

@@ -124,8 +124,6 @@ namespace Decompiler.ControlFlow
 		public MethodBodyGraph(List<ILNode> ast)
 		{
 			if (ast.Count == 0) throw new ArgumentException("Count == 0", "ast");
-			this.methodEntry = new BasicBlock();
-			this.Childs.Add(this.methodEntry);
 			this.Childs.AddRange(SplitToBasicBlocks(ast));
 			
 			// Add branch links to BasicBlocks
@@ -162,6 +160,7 @@ namespace Decompiler.ControlFlow
 				{
 					BasicBlock oldBB = basicBlock;
 					basicBlock = new BasicBlock();
+					if (methodEntry == null) methodEntry = basicBlock;
 					nodes.Add(basicBlock);
 					// Links
 					if (oldBB != null && ast[i - 1] is ILExpression && ((ILExpression)ast[i - 1]).OpCode.CanFallThough()) {

ICSharpCode.Decompiler/Options.cs

@@ -4,8 +4,6 @@ namespace Decompiler
 {
 	public static class Options
 	{
-		public static readonly int CollapseExpression = 1000;
-		public static readonly int ReduceGraph = 1000;
 		public static readonly bool NodeComments = false;
 		public static readonly bool ReduceLoops = true;
 		public static readonly bool ReduceConditonals = true;