internal static bool TryGetFusibleTail(
BasicBlockTag head,
FlowGraph graph,
BasicBlockPredecessors predecessors,
out BasicBlockTag tail)
{
var block = graph.GetBasicBlock(head);
var jumpFlow = block.Flow as JumpFlow;
if (jumpFlow != null && graph.EntryPointTag != jumpFlow.Branch.Target)
{
var preds = predecessors.GetPredecessorsOf(jumpFlow.Branch.Target).ToArray();
if (preds.Length == 1 && preds[0] == block.Tag)
{
tail = jumpFlow.Branch.Target;
return(true);
}
}
tail = null;
return(false);
}