private bool performLeaveReproduction()
{
bool result = false;
ArrayList leaveBlocks = new ArrayList();
foreach (BasicBlock block in blockList)
{
int count = block.Body.Count;
if (count > 0 && count <= 2)
{
Node lastNode = block.Body[count - 1];
if (lastNode is Leave && lastNode.Parent is MethodBodyBlock)
{
leaveBlocks.Add(block);
}
}
}
ArrayList leaveBlocksToRemove = new ArrayList();
foreach (BasicBlock block in leaveBlocks)
{
Node opt = (block.Body.Count == 2) ? block.Body[0] : null;
ArrayList prevBlocksToRemove = new ArrayList();
foreach (BasicBlock b in block.Prev)
{
if (b.Next.Count == 1 && b.Body.Count > 0)
{
NodeArray body = b.Body;
Node lastNode = body[body.Count - 1];
if (!(lastNode is Branch))
{
result = true;
prevBlocksToRemove.Add(b);
if (opt != null)
{
Node n = opt.Clone();
n.Options[BasicBlock.BASIC_BLOCK_OPTION] = b;
body.Add(n);
lastNode = lastNode.Next = n;
}
Node l = new Leave();
l.Options[BasicBlock.BASIC_BLOCK_OPTION] = b;
body.Add(l);
lastNode.Next = l;
}
}
}
foreach (BasicBlock b in prevBlocksToRemove)
{
b.Next.Remove(block);
block.Prev.Remove(b);
}
if (block.Prev.Count == 0)
{
leaveBlocksToRemove.Add(block);
}
}
foreach (BasicBlock block in leaveBlocksToRemove)
{
blockList.Remove(block);
}
return(result);
}
