/// <summary>
/// Inserts an instruction the before the current instruction.
/// </summary>
/// <returns></returns>
public Context InsertBefore()
{
int label = Label;
int index = -1;
if (IsFirstInstruction)
{
Debug.Assert(BasicBlock != null, @"Cannot insert before first instruction without basic block");
Debug.Assert(BasicBlock.Index == _index, @"Cannot be first instruction since basic block does not start here");
index = _instructionSet.InsertBefore(_index);
BasicBlock.Index = index;
}
else
{
index = _instructionSet.InsertBefore(_index);
}
Context ctx = new Context(_instructionSet, index);
ctx.Clear();
ctx.Label = label;
return(ctx);
}
/// <summary>
/// Inserts an instruction the before the current instruction.
/// </summary>
/// <returns></returns>
public Context InsertBefore()
{
int label = Label;
int index = -1;
if (IsFirstInstruction)
{
Debug.Assert(BasicBlock != null, @"Cannot insert before first instruction without basic block");
Debug.Assert(BasicBlock.Index == _index, @"Cannot be first instruction since basic block does not start here");
index = _instructionSet.InsertBefore(_index);
BasicBlock.Index = index;
}
else
index = _instructionSet.InsertBefore(_index);
Context ctx = new Context(_instructionSet, index);
ctx.Clear();
ctx.Label = label;
return ctx;
}